CN212728958U - Nose bridge muscle loading attachment for gauze mask production line - Google Patents
Nose bridge muscle loading attachment for gauze mask production line Download PDFInfo
- Publication number
- CN212728958U CN212728958U CN202020809302.4U CN202020809302U CN212728958U CN 212728958 U CN212728958 U CN 212728958U CN 202020809302 U CN202020809302 U CN 202020809302U CN 212728958 U CN212728958 U CN 212728958U
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- wheel
- bridge
- traction wheel
- nose
- linkage
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Abstract
The utility model discloses a gauze mask is bridge of nose muscle loading attachment for production line belongs to gauze mask production technical field, and its technical scheme main points are including connecting bridge of nose muscle unwinding mechanism in the frame and bridge of nose muscle drive mechanism, its characterized in that: bridge of the nose muscle drive mechanism includes traction wheel and lower traction wheel, goes up traction wheel and traction wheel butt down, all sets up the guide way that is used for guiding the bridge of the nose muscle on going up the traction wheel periphery, reaches the effect that prevents the dislocation of bridge of the nose muscle.
Description
Technical Field
The utility model relates to a gauze mask production facility field, in particular to gauze mask is bridge of nose muscle loading attachment for production line.
Background
Medical gauze mask is a medical protective articles commonly used, for guaranteeing the closure of medical gauze mask, often adds the bridge of the nose muscle in medical gauze mask, and the bridge of the nose muscle is formed by a plastic adhesive tape preparation that has usually to when wearing the gauze mask, medical personnel make the border of gauze mask inseparabler with facial laminating through pressing down the bridge of the nose muscle, thereby play higher protective effect.
The existing Chinese patent with reference publication number of CN208338952U discloses a mask cloth edge sealing device of a full-automatic mask production line, which comprises a frame, a cloth feeding device, a cloth edge folding device, a cloth traction mechanism and a nose bridge rib feeding device, the cloth edge folding device, the cloth traction mechanism and the nose bridge rib feeding device are all connected with the frame, the nose bridge rib feeding device comprises a nose bridge rib anti-rolling mechanism, a nose bridge rib traction mechanism and a nose bridge rib cutting mechanism, the nose bridge rib anti-rolling mechanism, the nose bridge rib traction mechanism and the nose bridge rib cutting mechanism are sequentially connected onto the frame along the conveying direction of a nose bridge rib raw material, the nose bridge rib traction mechanism comprises a plurality of traction wheel pairs, each traction wheel pair comprises an upper traction wheel and a lower traction wheel which are arranged side by side from top to bottom, and the upper traction wheel and the lower traction wheel are mutually pressed and relatively rotate.
But the gauze mask cloth banding device of this kind of full-automatic gauze mask production line still has following defect: when the upper traction wheel and the lower traction wheel pull the nose bridge rib raw material, the nose bridge rib can slide on the circumferential surface between the upper traction wheel and the lower traction wheel, so that the nose bridge rib cannot enter the position covered by the flanging of the cloth, the dislocation of the nose bridge rib is caused, and the flanging and edge sealing processes of the cloth are influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a gauze mask is nose bridge muscle loading attachment for production line reaches the effect of avoiding the dislocation of nose bridge muscle.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a gauze mask is bridge of nose muscle loading attachment for production line, is including connecting bridge of nose muscle unwinding mechanism and the bridge of nose muscle drive mechanism in the frame, its characterized in that: bridge of the nose muscle drive mechanism includes traction wheel and lower traction wheel, goes up traction wheel and traction wheel butt down, all offers the guide way that is used for guiding the bridge of the nose muscle on going up the traction wheel periphery.
Through adopting the above technical scheme, when utilizing this gauze mask production line to carry out the material loading with nose bridge muscle loading attachment, the nose bridge muscle that will twine on nose bridge muscle unwinding mechanism passes the guide way between traction wheel and the lower traction wheel, thereby make on the traction wheel with lead down to realize pulling to the nose bridge muscle through frictional force, the setting of guide way can play the effect of rectifying and leading to the nose bridge muscle, prevent that the nose bridge muscle from taking place to squint between last traction wheel and the lower traction wheel, thereby avoid the condition that the dislocation appears in the nose bridge muscle.
The utility model discloses further set up to, be provided with the cutting knife that is used for cutting the bridge of the nose muscle in the guide way, the both sides wall fixed connection of cutting knife and guide way, the knife tip of cutting knife flushes with the periphery of last traction wheel.
Through adopting above-mentioned technical scheme, the setting of cutting knife can cut the bridge of the nose muscle, rotates to when contacting with lower traction wheel along with last traction wheel as the cutting knife, and the cutting edge portion of cutting knife can cut off the bridge of the nose muscle to save extra cutting mechanism, and then simplify the structure of gauze mask production line.
The utility model discloses further set up as, fixedly connected with anti-skidding rubber pad in the guide way.
Through adopting above-mentioned technical scheme, the setting of antiskid rubber pad can make the bridge of the nose muscle all the time with the inseparable butt of traction wheel and antiskid rubber pad down, increases the frictional force between antiskid rubber pad and lower traction wheel and the bridge of the nose muscle, and then makes the bridge of the nose muscle can be smooth be taken out from bridge of the nose muscle unwinding mechanism by the subassembly of pulling.
The utility model discloses further set up to, still be connected with the aligning subassembly that is used for straightening the bridge of the nose muscle in the frame, the aligning subassembly includes straightener roller and lower straightener roller, goes up straightener roller and straightener roller down and all is provided with a plurality ofly and all rotates with the frame to be connected, goes up straightener roller and straightener roller down and all arranges along the horizontal direction, goes up straightener roller and straightener roller one-to-one down, and the width in the gap between corresponding last straightener roller and the straightener roller down equals with the thickness of bridge of the nose muscle.
Through adopting above-mentioned technical scheme, go up the straightener roller and use with straightener roller cooperation down, can be straightened to being drawn the bridge of the nose muscle of subassembly department to drawing, the bridge of the nose muscle is being close to drawing the subassembly under the effect of drawing the subassembly, and at the in-process that is close to, from last straightener roller and pass through between the straightener roller down, go up straightener roller and bridge of the nose muscle inseparable butt down, and because two last straightener rollers and two contact between straightener roller and the bridge of the nose muscle down are the point contact, thereby make the bridge of the nose muscle when passing through the gap between straightener roller and the straightener roller down, can take place plastic deformation and straightened under last straightener roller and straightener's the extrusion effect, make the bridge of the nose muscle that gets into and draw the subassembly be straight bridge of the nose muscle, thereby prevent to influence the bonding between bridge of the nose muscle and the non-woven fabrics that preparation gauze mask was used because of bridge.
The utility model discloses further set up as, fixedly connected with is used for driving traction wheel pivoted driving motor in the frame, driving motor's output shaft and last traction wheel fixed connection go up the traction wheel and are provided with the transmission assembly who is used for transmitting driving motor power down between the traction wheel.
Through adopting above-mentioned technical scheme, driving motor's setting can be used to drive and goes up the traction wheel and rotate to drive through drive assembly and go up traction wheel and lower traction wheel synchronous revolution, thereby realize the traction to the bridge of the nose muscle.
The utility model discloses further set up to, the drive assembly includes first drive gear and second drive gear, the shaft fixed connection of first drive gear and last traction wheel, second drive gear's shaft and the shaft fixed connection of lower traction wheel, first drive gear and the meshing of second drive gear.
Through adopting above-mentioned technical scheme, go up traction wheel and first drive gear and rotate under driving motor's effect, because first drive gear meshes with second drive gear, consequently second drive gear is opposite with the rotatory direction of first drive gear to the traction wheel rotates to the direction opposite with first drive gear under the drive, thereby realizes applying syntropy frictional force to the upper and lower surface of bridge of the nose muscle, and then realizes pulling to the bridge of the nose muscle.
The utility model discloses further set up to, go up and still be provided with the linkage subassembly between traction wheel and the last straightener roller, the linkage subassembly includes driving pulley, interior linkage band pulley, outer linkage band pulley owner linkage band pulley and linkage belt, driving pulley and last traction wheel fixed connection, interior linkage band pulley all is provided with a plurality ofly with outer linkage band pulley, and interior linkage band pulley and outer linkage band pulley one-to-one and fixed connection, the linkage belt is provided with a plurality of, a cover among a plurality of linkage belt is established on driving pulley and an outer linkage band pulley that is closest to driving pulley, all the other linkage belt cover is established on adjacent two interior linkage band pulleys and outer linkage band pulley.
By adopting the technical scheme, the driving motor directly drives the main driving belt wheel fixedly connected with the upper traction wheel to rotate, so that the outer linkage belt wheel is driven to rotate through the linkage belt, the outer linkage belt wheel rotates to drive the inner linkage belt wheel close to the outer linkage belt wheel to rotate, the inner linkage belt wheel also rotates together under the action of the linkage belt, and the two upper straightening wheels and the upper traction wheel rotate at the same speed.
To sum up, the utility model discloses following beneficial effect has:
1. the arrangement of the guide groove can play a role in correcting and guiding the nose bridge rib, so that the nose bridge rib is prevented from being deviated between the upper traction wheel and the lower traction wheel, and the condition that the nose bridge rib is staggered is avoided;
2. the arrangement of the anti-skidding rubber pads can enable the nose bridge ribs to be always in tight butt joint with the lower traction wheel and the anti-skidding rubber pads, so that the friction force between the anti-skidding rubber pads and the nose bridge ribs as well as between the lower traction wheel and the nose bridge ribs is increased, and further the nose bridge ribs can be smoothly pulled out of the nose bridge rib unwinding mechanism by the pulling assembly;
3. the driving motor can be used for driving the upper traction wheel to rotate, and the upper traction wheel and the lower traction wheel are driven to synchronously rotate through the transmission assembly, so that the nose bridge rib is dragged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partial sectional view intended to show a cutting knife;
fig. 3 is a rear view intended to show the transmission assembly.
Reference numerals: 1. a frame; 2. a nose bridge rib unwinding mechanism; 3. a nose bridge tendon traction mechanism; 31. an upper traction wheel; 311. a guide groove; 312. a cutting knife; 313. an anti-skid rubber pad; 32. a lower traction wheel; 4. a straightening assembly; 41. an upper straightening wheel; 42. a lower straightening wheel; 5. a drive motor; 6. a transmission assembly; 61. a drive pulley; 62. a drive belt; 7. a linkage assembly; 71. a driving pulley; 72. an internal linkage pulley; 73. an outer linkage pulley; 74. a linkage belt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a gauze mask is bridge of nose muscle loading attachment for production line, refers to fig. 1, including frame 1, frame 1 is the platelike structure of vertical setting, is connected with bridge of nose muscle on frame 1 and prevents rolling up mechanism, bridge of nose muscle drive mechanism 3, aligning subassembly 4 and driving motor 5, and bridge of nose muscle unwinding mechanism 2 includes the roller bearing and unreels the roller, and roller bearing and 1 fixed connection of frame unreel the roller and rotate with the roller bearing and be connected, and bridge of nose muscle winding is on unreeling the roller.
When utilizing this nose bridge muscle loading attachment for gauze mask production line to supply with the nose bridge muscle for the gauze mask production line, unreel the roller and rotate under the traction of nose bridge muscle drive mechanism 3 to the realization is to straightening subassembly 4 and nose bridge muscle traction assembly department carry the nose bridge muscle, thereby accomplishes the material loading.
Referring to fig. 2, the nose bridge rib traction mechanism 3 includes an upper traction wheel 31 and a lower traction wheel 32, the upper traction wheel 31 and the lower traction wheel 32 are rotatably connected with the side wall, the upper traction wheel 31 and the lower traction wheel 32 are arranged in the vertical direction, the upper traction wheel 31 is abutted against the lower traction wheel 32, a guide groove 311 is formed in the upper traction wheel 31, the guide groove 311 extends along the circumferential direction of the upper traction wheel 31 and is communicated with the head and the tail, two cutting knives 312 are fixedly connected in the guide groove 311, the two cutting knives 312 are respectively located at two ends of one diameter of the upper traction wheel 31, the two cutting knives 312 are fixedly connected with the inner wall of the guide groove 311, and the knife edge portions of the two cutting knives 312 are flush with the circumferential surface of the upper traction wheel; the part of the guiding groove 311 which is not fixedly connected with the cutting knife 312 is also fixedly connected with an anti-skid rubber pad 313, and the thickness of the anti-skid rubber pad 313 is smaller than the depth of the guiding groove 311.
The upper traction wheel 31 and the lower traction wheel 32 drag nose bridge ribs through friction force, and the guide grooves 311 are arranged to play a role in correcting and guiding the nose bridge ribs, so that the nose bridge ribs are prevented from being offset between the upper traction wheel 31 and the lower traction wheel 32, and the situation that the nose bridge ribs are staggered is avoided; the arrangement of the cutting knife 312 can cut the nose bridge rib, and when the cutting knife 312 rotates along with the upper traction wheel 31 to be in contact with the lower traction wheel 32, the blade part of the cutting knife 312 can cut off the nose bridge rib, so that an additional cutting mechanism is omitted, and the structure of the mask production line is simplified; the arrangement of the anti-skidding rubber pads 313 can enable the nose bridge ribs to be always in tight butt joint with the lower traction wheel 32 and the anti-skidding rubber pads 313, so that the friction force between the anti-skidding rubber pads 313 and the lower traction wheel 32 and the nose bridge ribs is increased, and the nose bridge ribs can be smoothly pulled out from the nose bridge rib unwinding mechanism 2 by the traction assembly.
Referring to fig. 1, the straightening assembly 4 is located on one side of the nose bridge rib traction mechanism 3 close to the unwinding roller, the straightening assembly 4 includes an upper straightening wheel 41 and a lower straightening wheel 42, the upper straightening wheel 41 and the lower straightening wheel 42 are both provided with two straightening wheels, the two upper straightening wheels 41 and the two lower straightening wheels 42 are both arranged along the horizontal direction, vertical projections of the two upper straightening wheels 41 and the two lower straightening wheels 42 coincide, an end gap is left between the upper straightening wheel 41 and the lower straightening wheel 42, and the nose bridge rib passes through the gap between the upper straightening wheel 41 and the lower straightening wheel 42 and is tightly abutted to the upper straightening wheel 41 and the lower straightening wheel 42.
Go up straightener 41 and straightener 42 cooperation use down, can straighten the bridge of the nose muscle of being drawn to drawing subassembly department, the bridge of the nose muscle is drawing the subassembly to be close to under the effect of drawing the subassembly, and at the in-process that is close to, from going up straightener 41 and passing through between straightener 42 down, go up straightener 41 and straightener 42 and bridge of the nose muscle inseparable butt down with lower straightener, and because two last straighteners 41 and two straighteners 42 and bridge of the nose between the contact be the point contact down, thereby make the bridge of the nose muscle when the gap between last straightener 41 and straightener 42 down, can take place plastic deformation and straightened under the extrusion of last straightener 41 and straightener 42, make the bridge of the nose muscle that gets into and draw the subassembly be straight bridge of the nose muscle, thereby prevent to influence the bonding between bridge of the nose muscle and the non-woven fabrics that the preparation gauze mask was used because of bridge of the nose muscle for the state of curling.
Referring to fig. 3, a driving motor 5 is fixedly connected to the frame 1, an output shaft of the driving motor 5 is fixedly connected to the upper traction wheel 31, a transmission assembly 6 is arranged between the driving motor 5 and the lower straightening wheel 42, the transmission assembly 6 includes a first transmission gear and a second transmission gear, the first transmission gear is fixedly connected to the upper traction wheel 31 and the output shaft of the driving motor 5, the second transmission gear is fixedly connected to the lower traction wheel 32, and the first transmission gear is meshed with the second transmission gear.
The driving motor 5 drives the first transmission gear and the upper traction wheel 31 to rotate, the first transmission gear rotates to drive the second transmission gear to rotate, so that the lower traction wheel 32 and the second transmission gear rotate together, the rotating direction of the lower traction wheel is opposite to that of the upper traction wheel 31, and the nose bridge rib is pulled.
Referring to fig. 3, a linkage assembly 7 is arranged between the upper traction wheel 31 and the upper straightening wheel 41, the linkage assembly 7 is located at one side of the frame 1 far from the upper traction wheel 31, the linkage assembly 7 comprises a driving pulley 71, an inner linkage pulley 72, an outer linkage pulley 73 and a linkage belt 74, the driving pulley 71 is located at one side of the first transmission gear far from the frame 1, the driving pulley 71 is fixedly connected with the first transmission gear, two inner linkage pulleys 72 are arranged, the two inner linkage pulleys 72 are respectively and fixedly connected with the two upper straightening wheels 41, the outer linkage pulley 73 is fixedly connected with the upper straightening wheel 41 close to the upper traction wheel 31, the outer linkage belt wheels 73 are positioned on one sides of the inner linkage belt wheels 72 far away from the rack 1, two linkage belts 74 are arranged, one of the two linkage belts 74 is sleeved on the driving belt wheel 71 and the outer linkage belt wheels 73, and the other linkage belt 74 is sleeved on the two inner linkage belt wheels 72; a linkage assembly 7 is also arranged between the lower traction wheel 32 and the lower straightening wheel 42, the linkage assembly 7 is positioned on one side, away from the upper traction wheel 31, of the rack 1, the driving belt wheel 71 is positioned on one side, away from the rack 1, of the second transmission gear, the driving belt wheel 71 is fixedly connected with the second transmission gear, two inner linkage belt wheels 72 are arranged, the two inner linkage belt wheels 72 are respectively and fixedly connected with the two lower straightening wheels 42, the outer linkage belt wheel 73 is fixedly connected with the straightening wheel close to the lower traction wheel 32, the outer linkage belt wheel 73 is positioned on one side, away from the rack 1, of the inner linkage belt wheels 72, two linkage belts 74 are arranged, one of the two linkage belts 74 is sleeved on the driving belt wheel 71 and the outer linkage belt wheel 73, and the other linkage belt 74 is sleeved on the two inner linkage belt wheels 72.
The driving motor 5 directly drives the main driving belt wheel 61 fixedly connected with the upper traction wheel 31 to rotate, so that the outer linkage belt wheel 73 is driven to rotate through the linkage belt 74, the outer linkage belt wheel 73 rotates to drive the inner linkage belt wheel 72 close to the outer linkage belt wheel 73 to rotate, and the two inner linkage belt wheels 72 also rotate together under the action of the linkage belt 74, so that the two upper straightening wheels 41 and the upper traction wheel 31 rotate at the same speed; the driving motor 5 rotates through the transmission action of the first transmission gear and the second transmission gear, so as to drive the driving belt wheel 71 fixedly connected with the lower traction wheel 32 to rotate, then the driving belt wheel 71 drives the outer linkage belt wheel 73 to rotate through the linkage belt 74, the outer linkage belt wheel 73 rotates to drive the inner linkage belt wheel 72 close to the outer linkage belt wheel 73 to rotate, the two inner linkage belt wheels 72 also rotate together under the action of the linkage belt 74, so that the two lower straightening wheels 42 and the lower traction wheel 32 rotate at the same speed, and further the upper traction wheel 31, the lower traction wheel 32, the upper straightening wheel 41 and the lower straightening wheel 42 rotate at the same speed.
The utility model discloses a use as follows:
when the nose bridge rib feeding device for the mask production line is used for supplying nose bridge ribs to the mask production line, the driving motor 5 is started, the driving motor 5 drives the upper traction wheel 31 and the lower traction wheel 32 to rotate through the first transmission gear and the second transmission gear which are meshed with each other, the anti-skidding rubber pad 313 of the upper traction wheel 31 and the friction force between the lower traction wheel 32 and the nose bridge ribs draw the nose bridge ribs out of the nose bridge rib unwinding mechanism 2, and when the cutting knife 312 rotates along with the upper traction wheel 31 to be in contact with the lower traction wheel 32, the blade part of the cutting knife 312 can cut off the nose bridge ribs, so that the nose bridge ribs are cut into sections with specific lengths; at the bridge of the nose muscle in-process that upwards traction wheel 31 and traction wheel 32 are close to down, go up straightener 41 and straightener 42 and bridge of the nose muscle inseparable butt down with down, and because straightener 41 is the point contact with contact between straightener 42 and the bridge of the nose muscle down on two, make the bridge of the nose muscle when the gap between straightener 41 and straightener 42 down through last straightener, can take place plastic deformation and straightened under last straightener 41 and straightener 42's the squeezing action down, thereby make the bridge of the nose muscle that gets into guide way 311 be the bridge of the nose muscle of straight, thereby prevent that the bridge of the nose muscle from taking place the dislocation when with the same hot briquetting of non-woven fabrics.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a gauze mask is bridge of nose muscle loading attachment for production line, is including connecting bridge of nose muscle unwinding mechanism (2) and bridge of nose muscle drive mechanism (3) in frame (1), its characterized in that: bridge of the nose muscle drive mechanism (3) is including going up traction wheel (31) and traction wheel (32) down, goes up traction wheel (31) and traction wheel (32) butt down, all offers guide way (311) that are used for guiding the bridge of the nose muscle on going up traction wheel (31) periphery.
2. The nose bridge rib feeding device for the mask production line according to claim 1, wherein: a cutting knife (312) used for cutting a nose bridge rib is arranged in the guide groove (311), the cutting knife (312) is fixedly connected with two side walls of the guide groove (311), and a knife tip of the cutting knife (312) is flush with the circumferential surface of the upper traction wheel (31).
3. The nose bridge rib feeding device for the mask production line according to claim 1, wherein: an anti-skid rubber pad (313) is fixedly connected in the guide groove (311).
4. The nose bridge rib feeding device for the mask production line according to claim 1, wherein: still be connected with straightening subassembly (4) that are used for straightening the bridge of the nose muscle on frame (1), straightening subassembly (4) include straightening wheel (41) and lower straightening wheel (42), go up straightening wheel (41) and lower straightening wheel (42) and all be provided with a plurality ofly and all rotate with frame (1) and be connected, go up straightening wheel (41) and all arrange along the horizontal direction with lower straightening wheel (42), go up straightening wheel (41) and lower straightening wheel (42) one-to-one, the width in the gap between corresponding last straightening wheel (41) and lower straightening wheel (42) equals with the thickness of bridge of the nose muscle.
5. The nose bridge rib feeding device for the mask production line according to claim 1, wherein: the frame (1) is fixedly connected with a driving motor (5) used for driving an upper traction wheel (31) to rotate, an output shaft of the driving motor (5) is fixedly connected with the upper traction wheel (31), and a transmission assembly (6) used for transmitting power of the driving motor (5) is arranged between the upper traction wheel (31) and a lower traction wheel (32).
6. The nose bridge rib feeding device for the mask production line according to claim 5, wherein: the transmission assembly (6) comprises a first transmission gear and a second transmission gear, the first transmission gear is fixedly connected with a wheel shaft of the upper traction wheel (31), a wheel shaft of the second transmission gear is fixedly connected with a wheel shaft of the lower traction wheel (32), and the first transmission gear is meshed with the second transmission gear.
7. The nose bridge rib feeding device for the mask production line according to claim 1, wherein: the upper traction wheel (31) and the upper straightening wheel (41) are further provided with a linkage assembly (7), the linkage assembly (7) comprises a driving belt wheel (71), a plurality of inner linkage belt wheels (72), a main linkage belt wheel of an outer linkage belt wheel (73) and linkage belts (74), the driving belt wheel (71) is fixedly connected with the upper traction wheel (31), the inner linkage belt wheels (72) and the outer linkage belt wheels (73) are respectively provided with a plurality of linkage belts (74), the inner linkage belt wheels (72) and the outer linkage belt wheels (73) are in one-to-one correspondence and fixedly connected, the linkage belts (74) are provided with a plurality of linkage belts, one of the linkage belts (74) is sleeved on the driving belt wheel (71) and one outer linkage belt wheel (73) which is closest to the driving belt wheel (71), and the rest linkage belts (74) are sleeved on two adjacent inner linkage belt wheels (72) and outer linkage belt wheels (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809302.4U CN212728958U (en) | 2020-05-15 | 2020-05-15 | Nose bridge muscle loading attachment for gauze mask production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809302.4U CN212728958U (en) | 2020-05-15 | 2020-05-15 | Nose bridge muscle loading attachment for gauze mask production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212728958U true CN212728958U (en) | 2021-03-19 |
Family
ID=75004551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020809302.4U Expired - Fee Related CN212728958U (en) | 2020-05-15 | 2020-05-15 | Nose bridge muscle loading attachment for gauze mask production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212728958U (en) |
-
2020
- 2020-05-15 CN CN202020809302.4U patent/CN212728958U/en not_active Expired - Fee Related
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Granted publication date: 20210319 |