CN111703087A

CN111703087A - Quick automatic folding mask production line

Info

Publication number: CN111703087A
Application number: CN202010603663.8A
Authority: CN
Inventors: 黄凯; 范建良; 冯鹏森; 胡剑
Original assignee: Tanac Automation Co Ltd
Current assignee: Tanac Automation Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-09-25

Abstract

The utility model provides a quick automatic foldable gauze mask production line, includes that bridge of the nose strip installs the device additional, welding set, ear area welding set, and the forming device that folds in advance to and the device is cut to the cover body. The nose bridge strip additional installation device comprises a feeding mechanism, a discharging clamp, a cutting mechanism and a material pushing mechanism. The feeding direction of the feeding mechanism is perpendicular to the arrangement direction of the nose bridge strip installing device, the welding device and the ear belt welding device and is used for conveying the nose bridge strip into cloth. The ear band welding device is used for welding the ear band on the mask body. The pre-folding forming device comprises a guide-in roller and a triangular pre-forming plate. The mask body cutting device is used for cutting the formed mask from cloth. This foldable gauze mask production line can not influence the manufacturing efficiency of whole gauze mask because of installing additional of bridge of the nose strip, and then can improve the production efficiency of gauze mask, reduces the manufacturing cost of gauze mask, satisfies the demand of market to the gauze mask production capacity.

Description

Quick automatic folding mask production line

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a rapid automatic folding mask production line.

Background

The mask becomes a necessary article for people in special periods, such as epidemic situations, and is not only a life, but also a work or a study. Also, hospital and other medical personnel in close contact with the patient need higher-grade masks, such as N95 masks or KN95 masks. And needs to be replaced at least every four hours, the demand for these masks is also high, especially for the global market.

Therefore, many machines for manufacturing the above-mentioned mask are designed to meet the market demand, but these machines are independent, resulting in low production efficiency and requiring much labor, which is not favorable for cost reduction.

Disclosure of Invention

In view of the above, the present invention provides a rapid automatic folding mask production line which can help to improve the production efficiency, so as to meet the above requirements.

A rapid automatic folding mask production line comprises a nose bridge strip adding device, a welding device arranged in the discharging direction of the nose bridge strip adding device, an ear band welding device arranged in the discharging direction of the welding device, a pre-folding forming device arranged in the discharging direction of the ear band welding device, and a mask body cutting device arranged in the discharging direction of the pre-folding forming device. The nose bridge strip additional installation device comprises a feeding mechanism, a discharging clamp arranged on the feeding mechanism, a material cutting mechanism arranged on the discharging clamp, and a material pushing mechanism arranged on one side of the material cutting mechanism. The feeding direction of the feeding mechanism is perpendicular to the arrangement direction of the nose bridge strip additional installation device, the welding device and the ear band welding device. The feeding mechanism comprises two driven wheels which are mutually abutted, and a driving wheel which is abutted with one of the two driven wheels, wherein the driving wheel is an incomplete wheel. The driving wheel intermittently drives the driven wheel to rotate when rotating so as to intermittently convey the nose bridge strip. The discharging clamp comprises a lower clamping piece, an upper clamping piece arranged on the lower clamping piece, and a material pushing groove arranged on the upper clamping piece. The nose bridge strip sent out by the feeding mechanism enters the material pushing groove. The material cutting mechanism comprises a cutter inserted in the material pushing groove, a return assembly arranged at one end of the cutter and a driving assembly used for driving the return assembly to reciprocate. The drive assembly includes a drive shaft and a roller disposed on the drive shaft and in spaced abutment with the return assembly. The roller intermittently drives the cutter to cut the nose bridge strip while the drive shaft rotates. The material pushing mechanism comprises a material pushing plate inserted in the material pushing groove and a rotary driving mechanism for driving the material pushing plate to do reciprocating motion. The rotary driving mechanism drives the material pushing plate to push the cut nose bridge strip out of the material pushing groove in a reciprocating mode. The welding device is used for welding all the cloth together to form the mask body. The ear band welding device is used for welding the ear band on the mask body. The pre-folding forming device comprises a guide-in roller and a triangular pre-forming plate. An acute angle is formed between the extending direction of the triangular preformed plate and the advancing direction of the cloth. The cover body cutting device comprises an ear belt storage clamp and a group of roller cutting wheel sets arranged in the discharging direction of the ear belt storage clamp. The roller cutting wheel set comprises a roller cutting wheel with a cutter line arranged on the surface, and an abutting roller abutting against the cutter line. And the roller cutting wheel and the abutting roller rotate and abut against each other to cut the mask body from the cloth.

Further, the incomplete wheel comprises two sector wheels connected side by side.

Furthermore, the rapid automatic folding mask production line further comprises a material conveying device, the nose bridge strip adding device is arranged in the discharging direction of the material conveying device, the material conveying device comprises a plurality of winding barrels, and a material output by one winding barrel of the winding barrels crosses the nose bridge strip adding device to directly enter the welding device.

Further, the welding device comprises a welding roller and an ultrasonic sound generator arranged below the welding roller.

Further, ear area welding set includes two ear area welding mechanism, and two ear area welding mechanism are used for two ear areas about for the gauze mask welding respectively.

Furthermore, the rapid automatic folding mask production line further comprises a first pressing device arranged between the welding device and the ear band welding device, the first pressing device comprises two first pressing rollers which are arranged at intervals, and welding marks are pressed when welded materials pass between the two first pressing rollers.

Furthermore, the rapid automatic folding mask production line further comprises a second pressing device arranged between the ear band welding device and the pre-folding forming device, the second pressing device comprises two second pressing rollers which are arranged at intervals, and the ear band welding traces are pressed when materials after the ear bands are welded pass through the two second pressing rollers.

Further, quick automatic foldable gauze mask production line still includes a setting and is in heat sealing device between folding forming device and the gauze mask cutting device in advance, heat sealing device is used for heating the gauze mask after the folding so that its crease department warp.

Further, the clip is accomodate to ear area includes the clamping piece that two intervals set up, has a triangle-shaped breach on each clamping piece, and the ear area just is drawn in the side of gauze mask body by this triangle-shaped breach when the gauze mask that has the ear area when this triangle-shaped breach is crossed to the welding.

Furthermore, the rapid automatic folding mask production line further comprises a mask conveying belt and a waste material drawing device which are arranged in the discharging direction of the mask slitting device, and the drawing direction of the waste material drawing device and the conveying direction of the mask conveying belt only have an included angle so that the masks are separated from waste materials.

Compared with the prior art, the rapid automatic folding mask production line provided by the invention has the advantages that the nose bridge strip adding device, the welding device, the ear band welding device, the pre-folding forming device and the mask body cutting device are arranged, so that the mask is manufactured into a production line, the production rate of the mask can be improved, and meanwhile, the requirement of manpower can be reduced. Simultaneously through the structural design of nose bridge strip installs the device additional, promptly through making feed mechanism, goes out the material clamp, cuts out material mechanism to and pushing equipment's organic combination, make installing additional of the most difficult nose bridge strip become reality, also can not influence the manufacturing efficiency of whole gauze mask because installing additional of nose bridge strip simultaneously, and then can improve the production efficiency of gauze mask, reduce the manufacturing cost of gauze mask, satisfy the demand of market to the gauze mask production capacity.

Drawings

Fig. 1 is a schematic structural diagram of a rapid and automatic folding mask production line according to the present invention.

FIG. 2 is a schematic view of the nose bridge strip attaching device of the rapid automatic folding mask production line of FIG. 1

FIG. 3 is a partially exploded view of the nose bridge strip attachment of FIG. 2.

Fig. 4 is a schematic structural diagram of a welding device and a first pressing device of the rapid automatic folding mask production line of fig. 1.

Fig. 5 is a schematic structural diagram of a pre-folding forming device of the rapid automatic folding mask production line of fig. 1.

FIG. 6 is a schematic view showing the structure of a second pressing device for the production of a rapid automatic folding mask

FIG. 7 is a schematic view showing the structure of a mask slitting device of a rapid automatic folding mask production line

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to 7, it is a schematic structural diagram of a rapid automatic folding mask production line according to the present invention. The rapid automatic folding mask production line comprises a machine table 10, a material conveying device 20 arranged on the machine table 10, a nose bridge strip adding device 30 arranged in the discharging direction of the material conveying device 20, a welding device 40 arranged in the discharging direction of the nose bridge strip adding device 30, an ear band welding device 50 arranged in the discharging direction of the welding device 40, a first pressing device 60 arranged between the welding device 40 and the ear band welding device 50, a pre-folding forming device 70 arranged in the discharging direction of the ear band welding device 50, a second pressing device 80 arranged between the ear band welding device 50 and the pre-folding forming device 70, a mask body cutting device 90 arranged in the discharging direction of the pre-folding forming device 70, and a heat sealing device 100 arranged between the pre-folding forming device 70 and the mask body cutting device 90, and a mask conveyor 110 and a scrap drawer 120 disposed in the discharge direction of the mask slitting device 90. It is contemplated that the rapid automated folding mask manufacturing line may further include other functional modules, such as an assembly module, a mounting module, a control module, a packing and transporting module, and electrical connection components, which are well known to those skilled in the art and will not be described in detail herein.

The machine 10 is used for erecting the above functional components, i.e. the material conveying device 20, and the machine 10 can be fixed on the ground of a factory, so as to fixedly install the mask production line.

The material conveying device 20 includes a plurality of material winding barrels 21 disposed on the machine table 10, and a plurality of magnetic powder controllers 22 respectively for controlling the working states of the material winding barrels 21. The winding barrel 21 is wound with non-woven fabrics or melt-blown fabrics and the like, and releases the wound materials while rotating, so as to achieve the purpose of conveying the materials. In the present exemplary embodiment, the material conveying device 20 has five winding cartridges 21. Five of the winding barrels 21 are used for conveying non-woven fabrics or melt-blown fabrics, and the material conveyed by one winding barrel 21 crosses the nose bridge strip adding device 30 and directly enters the welding device 40 to cover the material on the nose bridge strip. The magnetic powder controller 22 is a prior art, which uses high magnetic permeability magnetic powder as a working medium and uses an excitation current as a control means, and generates a magnetic field when a direct current 24V is supplied, and the magnetic powder forms a magnetic powder chain under the action of magnetic lines of force, and has the characteristics of rapid reaction, constant control moment and the like, thereby controlling the rotation speed and the number of rotation turns of the winding barrel 21.

The nose bridge strip adding device 30 comprises a feeding mechanism 31 arranged on the machine table 10, a discharging clamp 32 arranged in the discharging direction of the feeding mechanism 31, a cutting mechanism 33 arranged on the discharging clamp 32, and a material pushing mechanism 34 arranged on one side of the cutting mechanism 33. The feeding direction of the feeding mechanism 31 is perpendicular to the arrangement direction of the nose bridge strip adding device 30, the welding device 40 and the ear band welding device 50, namely the material conveying direction, and comprises two driven wheels 311 which are mutually abutted and a driving wheel 312 which is abutted with one of the two driven wheels 311. When the nose bridge strip is inserted into two driven wheels 311 abutting against each other, the nose bridge strip can be conveyed out toward the discharge clip 32 when the driven wheels 311 rotate in opposite directions. The driving wheel 312 is used for driving the driven wheel 311 to rotate. In order to determine the length of the bridge of the nose delivered, the drive wheel 312 is an incomplete wheel. Therefore, when the rim of the partial wheel abuts against the driven wheel 311, the driven wheel 311 rotates. When the wheel gap of the incomplete wheel corresponds to the driven wheel, the driven wheel 311 cannot rotate, so that the driven wheel 311 is driven to rotate intermittently, and the nose bridge strip is conveyed intermittently to determine the length of the conveyed nose bridge strip. The incomplete wheel comprises two segmental wheels 313 connected side by side. Due to the two fan-shaped wheels 313, when the position relation between the two fan-shaped wheels 313 is adjusted, the circumference of the rim of the driving wheel 312 can be adjusted, and the length of the nose bridge strip conveyed can be adjusted to adapt to masks with different specifications.

The discharging clamp 32 includes a lower clamping piece 321 disposed on the machine table 10, an upper clamping piece 322 disposed on the lower clamping piece 321, and a material pushing groove 323 disposed on the upper clamping piece 322. When the lower clip 321 and the upper clip 322 are fastened together, the material pushing groove 323 is disposed therebetween. The nose bridge strip sent out by the feeding mechanism 31 is pushed into the material pushing groove 323, so that the material cutting mechanism 33 can cut the material conveniently and the material pushing mechanism 34 can push the cut nose bridge strip into the mask cloth conveniently.

The material cutting mechanism 33 includes a cutting knife 331 inserted in the material pushing groove 323, a restoring member 332 disposed at one end of the cutting knife 331, and a driving member 333 for driving the restoring member 332 to reciprocate. The moving direction of the cutter 331 is parallel to the arrangement direction of the upper and

lower jaws

322, 331, so that the inserted nose bridge strip can be cut off when the cutter 331 moves up and down. The restoring component 332 includes a propping head 334 disposed at one end of the cutting knife 331, and two springs 335 sandwiched between the propping head 334 and the upper clamping piece 322. The spring 335 may be housed in the upper clip 322 for aesthetic reasons. When the abutting head 334 is abutted, it moves downward, and when it is not abutted, it returns to its original position under the action of the spring 335. The driving assembly 333 includes a driving shaft 336 and a roller 337 disposed on the driving shaft 336 and in spaced abutment with the return assembly 332. The driving shaft 336 can be driven by a driving motor to rotate, and the axial direction of the driving shaft is parallel to the material conveying direction. The roller 337 is connected to the driving shaft 336 by a link, and the link extends in a direction perpendicular to the driving shaft 336. When the driving shaft 336 rotates, the roller 337 intermittently abuts against the abutment 334, thereby driving the cutter 331 to cut the nose bridge strip.

The pushing mechanism 34 is used for pushing the bridge of the nose cut off and located in the pushing groove 323 into the cloth, so that the bridge of the nose is additionally installed. The pusher mechanism 34 includes a pusher plate 341 inserted in the pusher groove 323, and a rotary drive mechanism 342 for driving the pusher plate 341 to reciprocate. The ejector plate 341 may be inserted into the ejector groove 323. It is conceivable that the thickness of the ejector plate 341 should be equivalent to the width of the ejector groove 323 in order to accurately push the nose bridge strip out of the ejector groove 323. The rotary driving mechanism 342 reciprocally drives the ejector plate 341 to push the cut nose bridge strip out of the ejector groove 323, which should be prior art per se, and includes a driving motor and a cam mechanism driven by the driving motor. The cam mechanism can drive the pusher plate 341 to and fro.

The welding device 40 welds the cloth and the nose bridge strip together. It is of course conceivable that the welding means 40 forms a welding line which is designed, for example, as a joining line at the edge, as well as a fixing line at the edge of the nose bridge, etc., which is prior art and will not be described in detail here. The welding device 40 includes a welding roller 41, and an ultrasonic sound generator 42 disposed below the welding roller 41. The welding roller 41 is provided with a bump line for welding. The ultrasonic sound generator 42 itself should be of the prior art which utilizes high frequency vibration waves to transmit to the surfaces of two objects to be welded, and under pressure, the surfaces of the two objects rub against each other to form a fusion between the molecular layers.

The ear band welding device 50 is used to weld the ear band of the mask to the mask body by using an ultrasonic welding technique. The ear strap welding device 50 should be of a prior art type per se, such as that disclosed in patent No. 201821385182.9 entitled ear strap welding device. The ear strap welding device 50 has two, one for welding the left ear strap and one for welding the right ear strap. Which is per se prior art and will not be described in further detail herein.

The first pressing device 60 is arranged between the welding device 40 and the ear band welding device 50 and used for pressing lines of welding lines of the welded mask body so as to avoid false welding. The first pressing device 60 comprises two first pressing rollers 61 arranged at a distance from each other. The welded material passes between the two first pressure rollers 61 to press the welding trace.

The pre-folding forming device 70 is used to deform a planar mask into a folded shape, so as to facilitate subsequent compression and folding, and also facilitate the consistency of the manufactured mask. The pre-fold forming device 70 includes a lead-in roller 71, and a triangular pre-form plate 72. The introduction roller 71 is used to apply the necessary force to the cloth being conveyed so that the triangular preform plate 72 can form a crease in the cloth being conveyed. A vertex of the triangular pre-forming plate 72 is stably matched with the folding trace of the mask, an acute angle is formed between the extending direction of the triangular pre-forming plate 72 and the advancing direction of the cloth, namely, the vertex of the triangular pre-forming plate 72 is upwards tilted, and when the cloth carrying the mask passes through, the mask body can be folded from two sides to the middle.

The second compression means 80 is disposed between the ear strap welding device 50 and the pre-fold forming device 70. The second pressing device 80, like the first pressing device 60, comprises two second pressing rollers 81 arranged at a distance from each other. When the material after the ear band welding passes between the two second pressing rollers 81, the welding trace of the ear band is pressed, so that the false welding of the ear band is avoided.

The mask body cutting device 90 is used for cutting the folded mask from the cloth, and comprises an ear band accommodating clamp 91 and a group of roller cutting wheel groups 92 arranged in the discharging direction of the ear band accommodating clamp 91. The ear band receiving clip 91 includes two spaced apart clip pieces 911, each clip piece 911 having a triangular notch 912. This triangle-shaped breach 912 orientation comes the direction of material to the ear strap just is drawn in the side of gauze mask body by this triangle-shaped breach 912 when the gauze mask that has the ear strap when this triangle-shaped breach 912 is passed through to the welding, and then can avoid cutting the ear strap when the cutting. The roller cutting wheel set 92 comprises a roller cutting wheel 921 with a surface provided with a cutting knife line, and an abutting roller 922 abutting against the cutting knife line. The roller cutting wheel 921 rotates with the abutment roller 922 and cuts the mask body from the cloth when abutting against each other.

The heat sealing device 100 is disposed between the mask body slitting device 90 and the pre-folding forming device 70, and has two oppositely disposed heat sealing blocks, and when the cloth carrying the mask passes through, the two heat sealing blocks are adhered to each other and extend for 2 to 3 seconds, and then are released, so that the folded mask can be completely ironed, which is equivalent to an iron function, i.e., the function of ironing the creases on the mask.

The mask conveying belt 110 may be a belt conveying belt, which is disposed in the discharging direction of the mask slitting device 90. Therefore, after the mask body slitting device 90 slits one mask, the single mask directly enters the mask conveying belt 110 under the subsequent thrust action, and then is conveyed into the packing box.

The waste drawing device 120 includes two drawing rolls for holding and drawing the waste formed when the mask is manufactured. Therefore, an included angle is formed between the drawing direction of the scrap drawing device 120 and the conveying direction of the mask conveying belt 110 so that the masks and the scraps are separated from each other.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. The utility model provides a quick automatic foldable gauze mask production line which characterized in that: the rapid automatic folding mask production line comprises a nose bridge strip adding device, a welding device arranged in the discharging direction of the nose bridge strip adding device, an ear band welding device arranged in the discharging direction of the welding device, a pre-folding forming device arranged in the discharging direction of the ear band welding device, and a mask body cutting device arranged in the discharging direction of the pre-folding forming device, wherein the nose bridge strip adding device comprises a feeding mechanism, a discharging clamp arranged on the feeding mechanism, a cutting mechanism arranged on the discharging clamp, and a material pushing mechanism arranged on one side of the cutting mechanism, the feeding direction of the feeding mechanism is perpendicular to the arrangement direction of the nose bridge strip adding device, the welding device and the ear band welding device, the feeding mechanism comprises two driven wheels which are mutually abutted, and a driving wheel abutting against one of the two driven wheels, the driving wheel being an incomplete wheel, the driving wheel intermittently driving the driven wheel to rotate to intermittently convey the nose bridge strip when rotating, the discharging clip including a lower clip, an upper clip disposed on the lower clip, and a pushing groove disposed on the upper clip, the nose bridge strip fed out by the feeding mechanism entering the pushing groove, the cutting mechanism including a cutter inserted in the pushing groove, a return member disposed at one end of the cutter, and a driving member for driving the return member to reciprocate, the driving member including a driving shaft and a roller disposed on the driving shaft and abutting against the return member with a gap, the roller intermittently driving the cutter to cut the nose bridge strip when the driving shaft rotates, the material pushing mechanism comprises a material pushing plate inserted in the material pushing groove and a rotary driving mechanism for driving the material pushing plate to do reciprocating motion, the rotary driving mechanism drives the material pushing plate to push the cut nose bridge strip out of the material pushing groove in a reciprocating mode, the welding device is used for welding all the cloth together to form a mask body, the ear band welding device is used for welding an ear band on the mask body, the pre-folding forming device comprises a guide-in roller and a triangular pre-forming plate, an acute angle is formed between the extending direction of the triangular pre-forming plate and the advancing direction of the cloth, the mask body cutting device comprises an ear band accommodating clamp and a group of roller cutting wheel groups arranged in the discharging direction of the ear band accommodating clamp, and each roller cutting wheel group comprises a roller cutting wheel with a cutting line arranged on the surface, and the roller cutting wheel and the abutting roller rotate and abut against each other to cut the mask body from the cloth.

2. A rapid automated folding mask production line according to claim 1, characterized in that: the incomplete wheel comprises two fan-shaped wheels connected side by side.

3. A rapid automated folding mask production line according to claim 1, characterized in that: the rapid automatic folding mask production line further comprises a material conveying device, the nose bridge strip installing device is arranged in the discharging direction of the material conveying device, the material conveying device comprises a plurality of winding barrels, and a material output by one winding barrel of the winding barrels crosses the nose bridge strip installing device to directly enter the welding device.

4. A rapid automated folding mask production line according to claim 1, characterized in that: the welding device comprises a welding roller and an ultrasonic sounder arranged below the welding roller.

5. A rapid automated folding mask production line according to claim 1, characterized in that: ear area welding set includes two ear area welding mechanism, and two ear area welding mechanism are used for respectively controlling two ear areas for the gauze mask welding.

6. A rapid automated folding mask production line according to claim 1, characterized in that: the rapid automatic folding mask production line further comprises a first pressing device arranged between the welding device and the ear band welding device, the first pressing device comprises two first pressing rollers which are arranged at intervals, and welding marks are pressed when welded materials pass between the two first pressing rollers.

7. A rapid automated folding mask production line according to claim 1, characterized in that: the rapid automatic folding mask production line further comprises a second pressing device arranged between the ear band welding device and the pre-folding forming device, the second pressing device comprises two second pressing rollers which are arranged at intervals, and the ear band welding traces are pressed when materials after the ear bands are welded pass through the two second pressing rollers.

8. A rapid automated folding mask production line according to claim 1, characterized in that: the rapid automatic folding mask production line further comprises a heat sealing device arranged between the pre-folding forming device and the mask cutting device, and the heat sealing device is used for heating the folded mask so as to deform the crease of the folded mask.

9. A rapid automated folding mask production line according to claim 1, characterized in that: the ear strap accommodating clamp comprises two clamping pieces which are arranged at intervals, a triangular notch is arranged on each clamping piece, and when the mask welded with the ear strap passes through the triangular notch, the ear strap is folded on the side face of the mask body through the triangular notch.

10. A rapid automated folding mask production line according to claim 1, characterized in that: the rapid automatic folding mask production line further comprises a mask conveying belt and a waste material drawing device which are arranged in the discharge direction of the mask slitting device, and the drawing direction of the waste material drawing device and the conveying direction of the mask conveying belt only have one included angle so that masks and waste materials are separated from each other.