CN111296953A - Disposable mask machine debugging process - Google Patents
Disposable mask machine debugging process Download PDFInfo
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- CN111296953A CN111296953A CN202010295278.1A CN202010295278A CN111296953A CN 111296953 A CN111296953 A CN 111296953A CN 202010295278 A CN202010295278 A CN 202010295278A CN 111296953 A CN111296953 A CN 111296953A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H42/00—Multi-step production lines for making clothes
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Abstract
The invention discloses a debugging process of a disposable mask machine, belonging to the technical field of mask production, and being characterized by comprising the following steps: a. final assembly adjustment; b. adjusting a fold guide plate; c. cloth is threaded and the cloth-passing resistance at the position of the folded guide plate is tested; d. the smoothness is adjusted by automatically feeding cloth; e. adjusting the folded edge roughly; f. adjusting embossing; g. cutting off and adjusting; h. adjusting the cutting position of the mask; i. adjusting the feeding of the nose clip; j. adjusting a nose clip material guide cylinder; k. the position of the nose clip in the length direction of the mask is adjusted; and l, fine adjustment of the folded edge. The invention can comprehensively debug the whole disposable mask machine, has wide debugging range, can ensure the debugging precision and further improves the use smoothness and the mask production efficiency of the disposable mask machine.
Description
Technical Field
The invention relates to the technical field of mask production, in particular to a debugging process of a disposable mask machine.
Background
The disposable mask machine is also called a disposable mask manufacturing machine, and comprises three mask production lines for producing different disposable masks, namely a mask body machine, an inner ear belt mask machine, an outer ear belt mask machine and a bandage type mask machine. The mask body machine, also called a mask sheet-making machine, is a machine for automatically producing multi-layer plane mask finished products. The whole machine station is automatically operated in a single line from raw material feeding to nose line insertion, edge sealing and finished product cutting. The mask body machine is additionally provided with a plurality of inner ear belt mask machines, outer ear belt mask machines, bandage type mask machines or ear belt spot welding machines, and then the inner ear belt masks, the outer ear belt masks and the bandage masks can be produced.
The disposable mask machine needs to be debugged after the assembly and the electrification are finished. The mask machine has higher requirements on skills and experience of debugging workers in the debugging process, and poor debugging can cause the problem that the mask machine is not smooth to use in the using process, so that the supply period of a manufacturer is prolonged, and the mask capacity is influenced.
Chinese patent publication No. CN 209106372U, published as 2019, 07, 16 discloses a high-speed folding mask machine, which comprises a workbench, wherein an installation chamber is arranged in the workbench, and the high-speed folding mask machine is characterized in that: one side of workstation is equipped with initiative blowing device, still be equipped with nose line installation device, butt fusion device, first ear area installation device, second ear area installation device, cover body fifty percent discount device, shaping welding set, finished product cutting device and discharging device on the workstation in proper order.
The high-speed mask folding machine disclosed by the patent document is used for automatically producing masks and has the advantages of labor saving and high automation degree. However, the high-speed folding mask machine can only adjust the welding device and the material pulling wheel mechanism, so that the welding wheel mechanism and the material pulling wheel mechanism can be suitable for cloth with various thicknesses, the debugging range is limited, the debugging precision is poor, and the using smoothness and the mask production efficiency of the mask machine are affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a debugging process of a disposable mask machine, the debugging process can be used for comprehensively debugging the whole disposable mask machine, the debugging range is wide, the debugging precision can be guaranteed, and the using smoothness and the mask production efficiency of the disposable mask machine are further improved.
The invention is realized by the following technical scheme:
the debugging process of the disposable mask machine is characterized by comprising the following steps:
a. adjusting the final assembly, namely adjusting the upper top surface of the ultrasonic welding head to be 4mm higher than the material supporting plate;
b. adjusting the fold guide plates, and adjusting the mutual positions of 6 fold guide plates to ensure that the width of 3 layers of folds is 8-10mm, and the 3 layers of folds are connected at the head in the width direction;
c. the cloth is threaded and the cloth-passing resistance at the position of the fold guide plate is tested, an inlet cover cloth roll is arranged on a material rack, the mask cloth passes through the fold guide plate, the cloth is pulled by a spring scale, and the cloth-passing resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth passes through each roller in sequence, a main traction roller is adjusted, a clearance of the main traction roller is controlled to be 0.7-0.75mm by a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, and the offset of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. roughly adjusting the folded edge, namely adjusting the positions of the upper folded edge piece and the lower folded edge piece in the width direction of the cloth, roughly adjusting the distance between the upper folded edge piece and the outer side of the knifetooth of the knurling tool by 5mm, roughly adjusting the distance between the lower folded edge piece and the outer side of the knifetooth of the knurling tool by 4mm, and adjusting the axial position of a cloth rolling barrel to ensure that the folded edge at the nose bridge side is 16-18 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel relative to the ultrasonic welding head, and finely adjusting the adjusting screw rod by observing the embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller, and finely adjusting an adjusting screw under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting an adjusting rod until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on a knurling wheel, marking the meshing position of the gear, loosening the gear of an idler wheel to be disengaged, rotating the number of teeth Z of the gear of the knurling wheel, and re-meshing the gear;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip material guide cylinder, installing the nose clip material guide cylinder on the fixed frame, and adjusting the outlet position of the nose clip material guide cylinder to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft, measuring the offset L, loosening the corresponding idle wheel, rotating Z teeth of the cutter shaft gear, and re-engaging the gear until the nose clip is positioned in the middle of the length direction of the mask;
l, precisely adjusting the folded edge, and respectively and finely adjusting the upper folded edge sheet and the lower folded edge sheet to ensure that the upper edge of the mask is 4-6mm away from the upper patterned edge and the lower edge of the mask is 2-3mm away from the lower patterned edge.
In the step h, the Z tooth number of the knurl wheel gear is obtained by calculating the offset X divided by the perimeter of the knurl wheel and the tooth number of the knurl wheel gear.
In the step k, the number of the Z teeth of the cutter shaft gear is obtained by calculating the offset L ÷ the rotating perimeter of the blade x the number of the cutter shaft gears.
In the step i, the nose clip feeding adjustment specifically includes:
s1, adjusting the pressing plate to slightly press the cloth and fix the cloth;
s2, adjusting the distance between the tail end of the fixing frame and the retainer plate to be 32mm, adjusting the distance between the fixing frame and the pressing plate to be 0.8mm, and adjusting the cutting point of the nose clip to be close to the notch on the top surface of the fixing frame through an angle square;
s3, adjusting the clearance between the shaping roller and the bearing below, slightly pressing the nose wire, and clamping the metal wire into the roller ring groove;
s4, adjusting a gap between the main traction roller and a bearing below the main traction roller, and clamping the metal wire into a roller ring groove;
s5, adjusting the gap between the cutter shaft and the top surface of the fixed frame, and clamping the metal wire into the cutter shaft ring groove; then a nose clip cutting knife is arranged, and the turning radius of the knife edge is adjusted.
The nose clip cutting point refers to the point where the radius of gyration of the cutting edge of the nose clip cutting knife is tangent with the top surface of the fixing frame.
The beneficial effects of the invention are mainly shown in the following aspects:
1. the whole process has clear debugging operation flow, clear debugging requirement, reliable debugging method and extremely strong production site guiding effect, can well avoid the dependence of the mask machine on the skill and experience of a debugging worker in the debugging process, greatly improves the production debugging efficiency of the mask machine, shortens the original debugging time from 8-10 hours to 2-3 hours, and greatly shortens the debugging time; the blank waste caused by repeated debugging can be avoided, and the production cost is effectively saved; compared with the prior art, the full-automatic debugging device can be used for comprehensively debugging the whole disposable mask machine, is wide in debugging range, can ensure the debugging precision, and further improves the using smoothness and mask production efficiency of the disposable mask machine.
2. According to the invention, the assembly adjustment is carried out, the upper top surface of the ultrasonic welding head is adjusted to be higher by 4mm relative to the material supporting plate, the problem that redundant folds are easily generated at the side folding edge of the nose bridge of the mask can be solved, the specification and the appearance of the mask are improved, and the production stability of the mask is improved.
3. According to the invention, cloth is threaded and the cloth moving resistance at the fold guide plate is tested, the gauze mask roll is arranged on the material rack, gauze mask cloth passes through the fold guide plate, the cloth is pulled by adopting the spring scale, the cloth moving resistance is tested to be within 1Kg, the phenomenon that the length specification of the gauze mask is short due to the fact that the fold guide plate is not adjusted in place and the resistance of the cloth charging barrel is too large can be prevented, the accuracy of the ear band welding position is ensured, and the yield is improved.
4. According to the invention, the smoothness of automatic cloth feeding is adjusted, cloth sequentially passes through each roller, the main traction roller is adjusted, the clearance of the main traction roller is controlled to be 0.7-0.75mm by using a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, the deviation of the cloth in the width direction is not more than +/-2 mm by automatically pulling the cloth, the clearance of the main traction roller can be adjusted, the requirement is clear, the instability of cloth feeding caused by the improper adjustment of the main traction roller is prevented, the short length of a mask caused by insufficient main traction force is prevented, and the accuracy of the welding position of an ear band is further ensured.
5. Adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting an adjusting rod until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on a knurling wheel, marking the meshing position of the gear, loosening the gear of an idler wheel to be disengaged, rotating the number of teeth Z of the gear of the knurling wheel, and re-meshing the gear; adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft, measuring the offset L, loosening the corresponding idle wheel, rotating Z teeth of the cutter shaft gear, and re-engaging the gear until the nose clip is positioned in the middle of the length direction of the mask; the method has the characteristics of clear adjustment steps, clear adjustment requirements and reliable adjustment method, and further can effectively improve the adjustment efficiency.
Drawings
The invention will be further described in detail with reference to the drawings and the detailed description, wherein:
FIG. 1 is a schematic view of the mask machine according to the present invention;
FIG. 2 is a schematic structural view of a welding and drawing device according to the present invention;
FIG. 3 is a schematic view of a nasal splint implant device of the present invention;
FIG. 4 is a schematic view of the fixing frame according to the present invention;
FIG. 5 is a schematic view of a corrugated baffle of the present invention;
the labels in the figure are: 1. the device comprises an ultrasonic welding head, 2, a material supporting plate, 3, a fold guide plate, 4, a material rack, 5, a main traction roller, 6, an upper side flanging piece, 7, a lower side flanging piece, 8, knurling cutter teeth, 9, a cloth winding material barrel, 10, a knurling wheel, 11, a cutting roller, 12, an adjusting rod, 13, a nose clip material guide barrel, 14, a fixing frame, 15, a cutter shaft, 16, a pressing plate, 17, a shaping roller, 18, a main traction roller, 19 and a nose clip cutting cutter.
Detailed Description
Example 1
Referring to fig. 1-5, the debugging process of the disposable mask machine comprises the following steps:
a. adjusting the final assembly, namely adjusting the upper top surface of the ultrasonic welding head 1 to be 4mm higher than the material supporting plate 2;
b. adjusting the fold guide plates 3, and adjusting the mutual positions of 6 fold guide plates 3 to ensure that the width of 3 layers of folds is 8mm, and the 3 layers of folds are connected at the head in the width direction;
c. cloth is threaded and cloth-passing resistance at the position of the fold guide plate 3 is tested, an inlet cover cloth roll is arranged on the material rack 4, the mask cloth penetrates through the fold guide plate 3, a spring balance is adopted to pull the cloth, and the cloth-passing resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth sequentially passes through each roller, the main traction roller 5 is adjusted, the clearance of the main traction roller 5 is controlled to be 0.7mm by a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, and the deviation of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. the folding edge is roughly adjusted, the positions of an upper folding edge piece 6 and a lower folding edge piece 7 in the width direction of the cloth are adjusted, the distance between the upper folding edge piece 6 and the outer side of a knifetooth 8 of a knurling tool is roughly adjusted by 5mm, the distance between the lower folding edge piece 7 and the outer side of the knifetooth 8 of the knurling tool is roughly adjusted by 4mm, and the axial position of a cloth winding barrel 9 is adjusted to enable the folding edge width on the nose bridge side to be 16 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel 10 relative to the ultrasonic welding head 1, and finely adjusting an adjusting screw rod by observing embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller 11, and finely adjusting an adjusting screw under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting the adjusting rod 12 until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel 10, marking the meshing position of the gear, loosening the hobbing wheel 10 of the idler wheel, rotating the gear Z of the knurling wheel 10 to mesh the gear again;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip guide cylinder 13, installing the nose clip guide cylinder 13 on a fixed frame 14, and adjusting the outlet position of the nose clip guide cylinder 13 to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft 15, measuring the offset L, loosening the corresponding idle wheel, rotating the cutter shaft 15 gears Z in number of teeth, and re-engaging the gears until the nose clip is positioned in the middle of the length direction of the mask;
l, fine adjustment of the folded edge, namely respectively and finely adjusting an upper folded edge sheet 6 and a lower folded edge sheet 7 to enable the upper edge of the mask to be 4mm away from the upper patterned edge and the lower edge of the mask to be 2mm away from the lower patterned edge.
The whole process has clear debugging operation flow, clear debugging requirement, reliable debugging method and strong production site guiding effect, can well avoid the dependence of the mask machine on the skill and experience of a debugging worker in the debugging process, greatly improves the production debugging efficiency of the mask machine, shortens the original debugging time from 8-10 hours to 2-3 hours, and greatly shortens the debugging time; the blank waste caused by repeated debugging can be avoided, and the production cost is effectively saved; compared with the prior art, the full-automatic debugging device can be used for comprehensively debugging the whole disposable mask machine, is wide in debugging range, can ensure the debugging precision, and further improves the using smoothness and mask production efficiency of the disposable mask machine.
Example 2
Referring to fig. 1-5, the debugging process of the disposable mask machine comprises the following steps:
a. adjusting the final assembly, namely adjusting the upper top surface of the ultrasonic welding head 1 to be 4mm higher than the material supporting plate 2;
b. adjusting the fold guide plates 3, and adjusting the mutual positions of 6 fold guide plates 3 to ensure that the widths of 3 layers of folds are 9mm, and the 3 layers of folds are connected at the head in the width direction;
c. cloth is threaded and cloth-passing resistance at the position of the fold guide plate 3 is tested, an inlet cover cloth roll is arranged on the material rack 4, the mask cloth penetrates through the fold guide plate 3, a spring balance is adopted to pull the cloth, and the cloth-passing resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth sequentially passes through each roller, the main traction roller 5 is adjusted, the clearance of the main traction roller 5 is controlled to be 0.72mm by a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, and the deviation of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. the folding edge is roughly adjusted, the positions of an upper folding edge piece 6 and a lower folding edge piece 7 in the width direction of the cloth are adjusted, the distance between the upper folding edge piece 6 and the outer side of a knifetooth 8 of a knurling tool is roughly adjusted by 5mm, the distance between the lower folding edge piece 7 and the outer side of the knifetooth 8 of the knurling tool is roughly adjusted by 4mm, and the axial position of a cloth winding barrel 9 is adjusted to enable the folding edge width on the nose bridge side to be 17 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel 10 relative to the ultrasonic welding head 1, and finely adjusting an adjusting screw rod by observing embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller 11, and finely adjusting an adjusting screw under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting the adjusting rod 12 until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel 10, marking the meshing position of the gear, loosening the hobbing wheel 10 of the idler wheel, rotating the gear Z of the knurling wheel 10 to mesh the gear again;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip guide cylinder 13, installing the nose clip guide cylinder 13 on a fixed frame 14, and adjusting the outlet position of the nose clip guide cylinder 13 to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft 15, measuring the offset L, loosening the corresponding idle wheel, rotating the cutter shaft 15 gears Z in number of teeth, and re-engaging the gears until the nose clip is positioned in the middle of the length direction of the mask;
l, fine adjustment of the folded edge, namely respectively and finely adjusting an upper folded edge sheet 6 and a lower folded edge sheet 7 to ensure that the upper edge of the mask is 5mm away from the upper patterned edge and the lower edge of the mask is 2.5mm away from the lower patterned edge.
The final assembly adjustment, with ultrasonic bonding head 1's last top surface for holding in the palm flitch 2 heighten 4mm, can solve the problem that gauze mask bridge of the nose side hem department produces unnecessary fold easily, improve gauze mask specification and outward appearance, improve gauze mask production stability.
Example 3
Referring to fig. 1-5, the debugging process of the disposable mask machine comprises the following steps:
a. adjusting the final assembly, namely adjusting the upper top surface of the ultrasonic welding head 1 to be 4mm higher than the material supporting plate 2;
b. adjusting the fold guide plates 3, and adjusting the mutual positions of 6 fold guide plates 3 to ensure that the width of 3 layers of folds is 10mm, and the 3 layers of folds are connected at the head in the width direction;
c. cloth is threaded and cloth-passing resistance at the position of the fold guide plate 3 is tested, an inlet cover cloth roll is arranged on the material rack 4, the mask cloth penetrates through the fold guide plate 3, a spring balance is adopted to pull the cloth, and the cloth-passing resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth sequentially passes through each roller, the main traction roller 5 is adjusted, the clearance of the main traction roller 5 is controlled to be 0.75mm by a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, and the deviation of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. the folding edge is roughly adjusted, the positions of an upper folding edge piece 6 and a lower folding edge piece 7 in the width direction of the cloth are adjusted, the distance between the upper folding edge piece 6 and the outer side of a knifetooth 8 of a knurling tool is roughly adjusted by 5mm, the distance between the lower folding edge piece 7 and the outer side of the knifetooth 8 of the knurling tool is roughly adjusted by 4mm, and the axial position of a cloth winding barrel 9 is adjusted to enable the folding edge width on the nose bridge side to be 18 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel 10 relative to the ultrasonic welding head 1, and finely adjusting an adjusting screw rod by observing embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller 11, and finely adjusting an adjusting screw under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting the adjusting rod 12 until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel 10, marking the meshing position of the gear, loosening the hobbing wheel 10 of the idler wheel, rotating the gear Z of the knurling wheel 10 to mesh the gear again;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip guide cylinder 13, installing the nose clip guide cylinder 13 on a fixed frame 14, and adjusting the outlet position of the nose clip guide cylinder 13 to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft 15, measuring the offset L, loosening the corresponding idle wheel, rotating the cutter shaft 15 gears Z in number of teeth, and re-engaging the gears until the nose clip is positioned in the middle of the length direction of the mask;
l, fine adjustment of the folded edge, namely respectively and finely adjusting the upper folded edge sheet 6 and the lower folded edge sheet 7 to ensure that the upper edge of the mask is 6mm away from the upper patterned edge and the lower edge of the mask is 3mm away from the lower patterned edge.
Wear cloth and test fold guide plate 3 department and walk the cloth resistance, adorn into the gauze of covering in the mouth on work or material rest 4, the gauze mask cloth passes fold guide plate 3, adopts spring balance pulling cloth, and the cloth resistance is walked in the test within 1Kg, can prevent because fold guide plate 3 adjustment is not in place and cloth feed cylinder resistance is too big to cause the phenomenon that gauze mask length specification is short partially, and guarantee earlap welding position is accurate, improves the yields.
Example 4
Referring to fig. 1-5, the debugging process of the disposable mask machine comprises the following steps:
a. adjusting the final assembly, namely adjusting the upper top surface of the ultrasonic welding head 1 to be 4mm higher than the material supporting plate 2;
b. adjusting the fold guide plates 3, and adjusting the mutual positions of 6 fold guide plates 3 to ensure that the width of 3 layers of folds is 10mm, and the 3 layers of folds are connected at the head in the width direction;
c. cloth is threaded and cloth-passing resistance at the position of the fold guide plate 3 is tested, an inlet cover cloth roll is arranged on the material rack 4, the mask cloth penetrates through the fold guide plate 3, a spring balance is adopted to pull the cloth, and the cloth-passing resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth sequentially passes through each roller, the main traction roller 5 is adjusted, the clearance of the main traction roller 5 is controlled to be 0.75mm by a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, and the deviation of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. the folding edge is roughly adjusted, the positions of an upper folding edge piece 6 and a lower folding edge piece 7 in the width direction of the cloth are adjusted, the distance between the upper folding edge piece 6 and the outer side of a knifetooth 8 of a knurling tool is roughly adjusted by 5mm, the distance between the lower folding edge piece 7 and the outer side of the knifetooth 8 of the knurling tool is roughly adjusted by 4mm, and the axial position of a cloth winding barrel 9 is adjusted to enable the folding edge width on the nose bridge side to be 18 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel 10 relative to the ultrasonic welding head 1, and finely adjusting an adjusting screw rod by observing embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller 11, and finely adjusting an adjusting screw under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting the adjusting rod 12 until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel 10, marking the meshing position of the gear, loosening the hobbing wheel 10 of the idler wheel, rotating the gear Z of the knurling wheel 10 to mesh the gear again;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip guide cylinder 13, installing the nose clip guide cylinder 13 on a fixed frame 14, and adjusting the outlet position of the nose clip guide cylinder 13 to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft 15, measuring the offset L, loosening the corresponding idle wheel, rotating the cutter shaft 15 gears Z in number of teeth, and re-engaging the gears until the nose clip is positioned in the middle of the length direction of the mask;
l, fine adjustment of the folded edge, namely respectively and finely adjusting the upper folded edge sheet 6 and the lower folded edge sheet 7 to ensure that the upper edge of the mask is 6mm away from the upper patterned edge and the lower edge of the mask is 3mm away from the lower patterned edge.
In step h, the Z number of teeth of the knurl wheel 10 gear is calculated by the offset X ÷ 10 circumference of the knurl wheel X10 number of teeth of the knurl wheel.
In step k, the number of teeth of the gear Z of the cutter shaft 15 is obtained by calculating the offset L ÷ the rotating perimeter of the blade edge x the number of teeth of the cutter shaft 15.
Example 5
Referring to fig. 1-5, the debugging process of the disposable mask machine comprises the following steps:
a. adjusting the final assembly, namely adjusting the upper top surface of the ultrasonic welding head 1 to be 4mm higher than the material supporting plate 2;
b. adjusting the fold guide plates 3, and adjusting the mutual positions of 6 fold guide plates 3 to ensure that the width of 3 layers of folds is 10mm, and the 3 layers of folds are connected at the head in the width direction;
c. cloth is threaded and cloth-passing resistance at the position of the fold guide plate 3 is tested, an inlet cover cloth roll is arranged on the material rack 4, the mask cloth penetrates through the fold guide plate 3, a spring balance is adopted to pull the cloth, and the cloth-passing resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth sequentially passes through each roller, the main traction roller 5 is adjusted, the clearance of the main traction roller 5 is controlled to be 0.75mm by a feeler gauge, the consistency of the clearance in the axial direction of the rollers is within 0.02mm, and the deviation of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. the folding edge is roughly adjusted, the positions of an upper folding edge piece 6 and a lower folding edge piece 7 in the width direction of the cloth are adjusted, the distance between the upper folding edge piece 6 and the outer side of a knifetooth 8 of a knurling tool is roughly adjusted by 5mm, the distance between the lower folding edge piece 7 and the outer side of the knifetooth 8 of the knurling tool is roughly adjusted by 4mm, and the axial position of a cloth winding barrel 9 is adjusted to enable the folding edge width on the nose bridge side to be 18 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel 10 relative to the ultrasonic welding head 1, and finely adjusting an adjusting screw rod by observing embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller 11, and finely adjusting an adjusting screw under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting the adjusting rod 12 until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel 10, marking the meshing position of the gear, loosening the hobbing wheel 10 of the idler wheel, rotating the gear Z of the knurling wheel 10 to mesh the gear again;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip guide cylinder 13, installing the nose clip guide cylinder 13 on a fixed frame 14, and adjusting the outlet position of the nose clip guide cylinder 13 to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft 15, measuring the offset L, loosening the corresponding idle wheel, rotating the cutter shaft 15 gears Z in number of teeth, and re-engaging the gears until the nose clip is positioned in the middle of the length direction of the mask;
l, fine adjustment of the folded edge, namely respectively and finely adjusting the upper folded edge sheet 6 and the lower folded edge sheet 7 to ensure that the upper edge of the mask is 6mm away from the upper patterned edge and the lower edge of the mask is 3mm away from the lower patterned edge.
In step h, the Z number of teeth of the knurl wheel 10 gear is calculated by the offset X ÷ 10 circumference of the knurl wheel X10 number of teeth of the knurl wheel.
In step k, the number of teeth of the gear Z of the cutter shaft 15 is obtained by calculating the offset L ÷ the rotating perimeter of the blade edge x the number of teeth of the cutter shaft 15.
In the step i, the nose clip feeding adjustment specifically includes:
s1, adjusting the pressure plate 16 to slightly press the cloth and fix the cloth;
s2, adjusting the distance between the tail end of the fixing frame 14 and the retainer plate to be 232mm, adjusting the distance between the fixing frame 14 and the pressing plate 16 to be 0.8mm, and adjusting the cutting point of the nose clip to be close to the notch on the top surface of the fixing frame 14 through an angle square;
s3, adjusting the gap between the shaping roller 17 and the bearing below, slightly pressing the nose wire, and clamping the metal wire into the roller ring groove;
s4, adjusting the gap between the main traction roller 18 and the bearing below the main traction roller, and clamping the metal wire into a roller ring groove;
s5, adjusting the clearance between the cutter shaft 15 and the top surface of the fixed frame 14, and clamping the metal wire into the annular groove of the cutter shaft 15; then, a nose clip cutter 19 is installed to adjust the turning radius of the blade.
The nose clip cutting point is the point where the radius of gyration of the cutting edge of the nose clip cutting knife 19 is tangent with the top surface of the fixed frame 14.
Adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting the adjusting rod 12 until the cutting position reaches the preset position if the cutting position is less than or equal to 10mm away from the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel 10, marking the meshing position of the gear, loosening the hobbing wheel 10 of the idler wheel, rotating the gear Z of the knurling wheel 10 to mesh the gear again; adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft 15, measuring the offset L, loosening the corresponding idle wheel, rotating the cutter shaft 15 gears Z in number of teeth, and re-engaging the gears until the nose clip is positioned in the middle of the length direction of the mask; the method has the characteristics of clear adjustment steps, clear adjustment requirements and reliable adjustment method, and further can effectively improve the adjustment efficiency.
Claims (5)
1. The debugging process of the disposable mask machine is characterized by comprising the following steps:
a. final assembly adjustment, namely, the upper top surface of the ultrasonic welding head (1) is increased by 4mm relative to the material supporting plate (2);
b. adjusting the fold guide plates (3), and adjusting the mutual positions of 6 fold guide plates (3) to ensure that the width of 3 layers of folds is 8-10mm, and the 3 layers of folds are connected at the head in the width direction;
c. the cloth is threaded and the cloth moving resistance at the position of the fold guide plate (3) is tested, an inlet cover cloth roll is arranged on a material rack (4), the inlet cover cloth penetrates through the fold guide plate (3), the cloth is pulled by a spring scale, and the cloth moving resistance is tested to be within 1 Kg;
d. the stability of the cloth is adjusted by automatic cloth feeding, the cloth passes through each roller in sequence, the main traction roller (5) is adjusted, the clearance of the main traction roller (5) is controlled to be 0.7-0.75mm by a feeler gauge, the clearance consistency in the axial direction of the rollers is within 0.02mm, and the offset of the cloth in the width direction is not more than +/-2 mm by automatic cloth feeding;
e. the folding edge is roughly adjusted, the positions of an upper folding edge piece (6) and a lower folding edge piece (7) in the width direction of the cloth are adjusted, the distance between the upper folding edge piece (6) and the outer side of a knifetooth (8) of a knurling tool is roughly adjusted by 5mm, the distance between the lower folding edge piece (7) and the outer side of the knifetooth (8) of the knurling tool is roughly adjusted by 4mm, and the axial position of a cloth rolling barrel (9) is adjusted to enable the folding edge width on the side of the nose bridge to be 16-18 mm;
f. embossing adjustment, namely adjusting the height position of the knurling wheel (10) relative to the ultrasonic welding head (1), and finely adjusting an adjusting screw rod by observing embossing patterns under the conditions of ultrasonic starting and automatic cloth feeding;
g. cutting adjustment, namely adjusting the height position of a cutting roller (11), and finely adjusting an adjusting screw rod under the conditions of starting ultrasonic welding and automatic cloth feeding;
h. adjusting the cutting position of the mask, taking unqualified products at the cutting position of the mask, observing the cutting position of the mask to judge the adjustment direction of a cutter, and finely adjusting an adjusting rod (12) if the cutting position is less than or equal to 10mm away from the preset position until the cutting position reaches the preset position; if the cutting position is far away from the preset position, measuring an offset X, loosening an adjusting screw on the knurling wheel (10), marking the meshing position of the gear, loosening the knurling wheel (10) of the idle wheel to be disengaged, rotating the Z gear numbers of the gear of the knurling wheel (10), and re-meshing the gear;
i. adjusting the feeding of the nose clip;
j. adjusting a nose clip guide cylinder (13), installing the nose clip guide cylinder (13) on a fixed frame (14), and adjusting the outlet position of the nose clip guide cylinder (13) to ensure that the nose clip is positioned at the correct position on the width of the mask;
k. adjusting the position of the nose clip in the length direction of the mask, taking unqualified nose clip positions, observing the offset direction of the nose clip, judging the adjustment direction of the cutter shaft (15), measuring the offset L, loosening the corresponding idle wheel, rotating the Z teeth number of the gear of the cutter shaft (15), and re-engaging the gear until the nose clip is positioned in the middle of the length direction of the mask;
l, precisely adjusting the edge folding, and respectively and finely adjusting an upper side edge folding sheet (6) and a lower side edge folding sheet (7) to ensure that the upper edge of the mask is 4-6mm away from the upper side embossing edge and the lower edge of the mask is 2-3mm away from the lower side embossing edge.
2. The debugging process of the disposable mask machine according to claim 1, wherein: in the step h, the Z tooth numbers of the gear of the knurl wheel (10) are obtained by calculating the offset X divided by the circumference of the knurl wheel (10) and the tooth number of the gear of the knurl wheel (10).
3. The debugging process of the disposable mask machine according to claim 1, wherein: in the step k, the Z number of teeth of the gear of the cutter shaft (15) is obtained by calculating the offset L ÷ the rotating perimeter of the blade edge x the number of teeth of the gear of the cutter shaft (15).
4. The debugging process of the disposable mask machine according to claim 1, wherein: in the step i, the nose clip feeding adjustment specifically includes:
s1, adjusting a pressure plate (16) to lightly press and fix the cloth;
s2, adjusting the distance between the tail end of the fixing frame (14) and the retainer plate (2) to be 32mm, adjusting the distance between the fixing frame (14) and the pressing plate (16) to be 0.8mm, and adjusting the cutting point of the nose clamp to be close to the notch on the top surface of the fixing frame (14) through an angle square;
s3, adjusting a gap between the shaping roller (17) and a bearing below the shaping roller, slightly pressing a nose wire, and clamping a metal wire into a roller ring groove;
s4, adjusting the gap between the main traction roller (18) and the bearing below, and clamping the metal wire into the roller ring groove;
s5, adjusting the clearance between the cutter shaft (15) and the upper top surface of the fixed frame (14), and clamping the metal wire into the annular groove of the cutter shaft (15); then a nose clip cutting knife (19) is arranged, and the turning radius of the knife edge is adjusted.
5. The debugging process of the disposable mask machine according to claim 4, wherein: the nose clip cutting point refers to the point where the radius of gyration of the cutting edge of the nose clip cutting knife (19) is tangent with the top surface of the fixed frame (14).
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| CN112428605A (en) * | 2020-11-13 | 2021-03-02 | 东莞市汇通自动化设备科技有限公司 | Fish-shaped mask body machine |
| CN112549606A (en) * | 2020-10-14 | 2021-03-26 | 广东鑫光智能系统有限公司 | Full-automatic flanging nose bridge rib wrapping device |
| CN113878646A (en) * | 2020-07-02 | 2022-01-04 | 东莞市蓝祥科技有限公司 | High-speed vertical cutting and slicing machine for double-blade double nose bridges of N95 and KN95 masks |
| CN114631662A (en) * | 2020-12-15 | 2022-06-17 | 上工富怡智能制造(天津)有限公司 | Full-automatic willow leaf mask production line |
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| CN111296953B (en) | 2021-08-27 |
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