CN212708064U - Disposable mask production device - Google Patents
Disposable mask production device Download PDFInfo
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- CN212708064U CN212708064U CN202021205377.8U CN202021205377U CN212708064U CN 212708064 U CN212708064 U CN 212708064U CN 202021205377 U CN202021205377 U CN 202021205377U CN 212708064 U CN212708064 U CN 212708064U
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Abstract
The utility model discloses a disposable mask production device, relating to the technical field of mask production, which comprises a frame and a welding and cutting device arranged on the frame, wherein a material placing frame is rotationally arranged on one side of the frame; a mask sheet to be placed with a nose bridge strip is arranged on the frame; the frame is provided with a guiding device for guiding the nose bridge strip into the upper edge of the mask; the guide device comprises a mounting frame arranged on the inner side wall of the rack; a first guide roller and a second guide roller are sequentially arranged on the mounting rack from right to left; a straightening roller set is arranged between the first guide roller and the second guide roller; the straightening roller group comprises a first straightening roller and a second straightening roller which are arranged in parallel along the height direction of the mounting rack; the circumference of first guide roll and second guide roll all seted up with the recess of bridge of the nose strip looks adaptation. The utility model discloses can lead to the bridge of the nose strip for the bridge of the nose strip can be accurate leading-in the relevant position on the gauze mask piece, improves the effect of the quality of gauze mask processing.
Description
Technical Field
The utility model belongs to the technical field of the gauze mask production technique and specifically relates to a disposable gauze mask apparatus for producing is related to.
Background
At present, set up the nose bridge strip on the gauze mask usually, the user can make gauze mask and human face paste tightly through pinching the nose bridge strip at the in-process that uses the gauze mask to this filtering action of having strengthened the gauze mask to harmful substance. When gauze mask production, generally hang the non-woven fabrics raw and other materials earlier and locate on gauze mask flaker work or material rest, before the edge of gauze mask piece is folded, correspond leading-in the corresponding position on the gauze mask piece with the bridge of the nose strip for the edge of gauze mask piece turns over can wrap up the bridge of the nose strip in the top edge department of gauze mask piece after rolling over, carry out the butt fusion in two long limit departments to the gauze mask piece, cut into slices the processing to the gauze mask piece again at last, carry out the ear area butt fusion processing with the gauze mask piece after the section.
The prior art scheme has the following defects: when the nose bridge strip is placed in the mask piece, the phenomenon that the nose bridge strip is not accurately positioned on the mask piece and is easy to shift exists, and the probability of defective products and waste products is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a disposable gauze mask apparatus for producing, it can lead to the bridge of the nose strip for the bridge of the nose strip can be accurate leading-in relevant position on the gauze mask piece, improves the quality of gauze mask processing.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a disposable mask production device comprises a rack and a welding and cutting device which is arranged on the rack and used for processing masks, wherein a material placing frame used for placing a nose bridge strip is rotatably arranged on one side, close to a feed inlet of the welding and cutting device, of the rack; a mask sheet to be placed with a nose bridge strip is arranged on the frame; the frame is provided with a guiding device for guiding the nose bridge strip into the edge of the mask piece, and the guiding device is positioned between the welding and slitting device and the material placing frame; the guide device comprises a mounting frame arranged on the inner side wall of the rack; a first guide roller and a second guide roller are sequentially arranged on the mounting rack from right to left; a straightening roller set is arranged between the first guide roller and the second guide roller; the straightening roller group comprises a first straightening roller and a second straightening roller which are arranged in parallel along the height direction of the mounting frame; the nose bridge strip is sequentially wound around the upper edge of the first guide roller, the space between the first straightening roller and the second straightening roller and the lower edge of the second guide roller and extends to a position close to the welding and cutting device; the circumference of first guide roll and second guide roll all seted up with the recess of bridge of the nose strip looks adaptation.
Through adopting above-mentioned technical scheme, when putting into the top edge of mouth cover piece with the bridge of the nose strip, at first through guider to carry out guiding orientation to the bridge of the nose strip for the bridge of the nose strip can be accurate leading-in to the top edge of gauze mask piece in, in order to improve the quality of gauze mask processing. Firstly, the nose bridge strip is wound on the material placing frame, the second straightening roller is used as a driving part, the nose bridge strip is driven to stretch out and pass through the sequential effects of the first guide roller, the second guide roller, the first straightening roller and the second straightening roller, the nose bridge strip is straightened and guided into the upper edge of the mask piece along the length direction of the frame, then the upper edge of the mask piece is welded, and the nose bridge strip is wrapped in the upper edge of the mask piece. Set up the recess on first guide roll and second guide roll, can carry on spacingly to nose bridge strip when nose bridge strip advances for nose bridge strip is hi when the top edge of introducing port cover piece is difficult for taking place the off tracking, further improves the processingquality of gauze mask.
The present invention may be further configured in a preferred embodiment as: the mounting frame comprises a mounting column which is fixed on the inner side wall of the rack and is horizontally arranged and a mounting plate which is sleeved on the mounting column; two mounting columns are arranged at intervals along the length direction of the rack; the mounting column is connected with the mounting plate through a fixing bolt; and a plurality of threaded holes matched with the fixing bolts are formed in the mounting column along the length direction.
Through adopting above-mentioned technical scheme, set up the erection column, can adjust the position of mounting panel according to the position at gauze mask piece upper limb for the nose bridge strip can accurate leading-in to gauze mask piece upper limb corresponding position department after the direction of first guide roll and second guide roll and first straightener roll and second straightener roll, thereby improve the processingquality of gauze mask.
The present invention may be further configured in a preferred embodiment as: and a buffer component used for tensioning the nose bridge strip is arranged on the inner side wall of the rack and on one side, close to the material placing frame, of the mounting frame.
Through adopting above-mentioned technical scheme, set up the buffering subassembly, can carry out the tensioning to the nose bridge strip before the nose bridge strip enters into the gauze mask piece edge, produce certain pretension to the nose bridge strip, avoid the nose bridge strip to take place to skid on guider, the amount of deflection of control nose bridge strip between first leveling roller and second leveling roller simultaneously to reduce and carry the resistance.
The present invention may be further configured in a preferred embodiment as: the buffering assembly comprises a fixed column arranged on the upper end surface of the rack, a supporting rod which is rotatably connected to the fixed column and extends towards the upper part of the mask piece, and a torsion spring sleeved on the fixed column; one end of the torsion spring is fixedly connected with the lower end face of the support rod, and the other end of the torsion spring is fixedly connected with the rack; the support rod is sleeved with a first sliding sleeve, and the first sliding sleeve is fixed on the support rod through a bolt; the lower end face of the first sliding sleeve is provided with a limiting part used for limiting the position of the nose bridge strip.
Through adopting above-mentioned technical scheme, through the setting of torsional spring, can carry the tensioning to the bridge of the nose strip automatically when the bridge of the nose strip is carried the tension, when being in the state of tension in the bridge of the nose strip transportation process, branch can rotate to the one side that is close to guider, cushions the bridge of the nose strip, when the bridge of the nose strip is in lax state, branch is in under the effect of torsional spring with frame length direction mutually perpendicular's state.
The present invention may be further configured in a preferred embodiment as: the limiting part comprises a first fixed rod fixed at the lower end of the sliding sleeve and an antifriction roller rotatably arranged at the lower end of the first fixed rod; the axis of the antifriction roller is vertically arranged; limiting pieces are fixed on the first fixing rod and positioned at two ends of the antifriction roller; a limiting column with an axis parallel to the axis of the antifriction roller is connected between the two limiting pieces; the limiting column is positioned on one side of the antifriction roller, which is far away from the fixing column.
Through adopting above-mentioned technical scheme, set up spacing portion, when emitting bridge of the nose strip from the blowing frame, rotate the antifriction roller that sets up and can reduce bridge of the nose strip frictional force in transmission process for bridge of the nose strip is laborsaving more smooth and easy when carrying, and spacing post can avoid bridge of the nose strip's position off tracking.
The present invention may be further configured in a preferred embodiment as: the positioning assembly comprises a mounting rod fixed on the rack, a second sliding sleeve arranged on the mounting rod, a second fixing rod fixed on the lower end face of the second sliding sleeve, and a positioning ring fixed at the lower end of the second fixing rod and close to the upper end face of the mask.
Through adopting above-mentioned technical scheme, set up the installation pole, be convenient for install and adjust the position of second sliding sleeve for the holding ring can be with bridge of the nose strip be in same vertical plane all the time in transportation process, has improved the stability in the bridge of the nose strip transmission course, makes bridge of the nose strip position leading-in more accurate, and the processingquality of gauze mask is higher.
The present invention may be further configured in a preferred embodiment as: limiting plates are fixed on two inner side walls of the rack; the limiting plate is positioned between the guiding device and the welding and slitting device; the lower end surface of the limiting plate is provided with a first positioning groove matched with the mask piece; and a second positioning groove matched with the nose bridge strip is formed in the first positioning groove and corresponds to the position where the nose bridge strip is arranged.
Through adopting above-mentioned technical scheme, set up the limiting plate, can carry out the hem back to the gauze mask piece at the hem subassembly, can prescribe a limit to the position of gauze mask and nose bridge strip simultaneously for the relative position of nose bridge strip and gauze mask top edge is more accurate, has improved the processingquality of gauze mask.
The present invention may be further configured in a preferred embodiment as: and a positioning assembly used for positioning the relative position of the nose bridge strip and the mask sheet is fixed on the frame and positioned between the limiting plate and the guide device.
Through adopting above-mentioned technical scheme, set up locating component, can further improve the guide effect to nose bridge strip, be favorable to guaranteeing the accurate nature of nose bridge strip introducing port cover piece top edge position.
To sum up, the utility model discloses following beneficial effect has:
1. the nose bridge strip is guided and positioned by the guide device when being placed in the upper edge of the mask piece, so that the nose bridge strip can be accurately guided into the upper edge of the mask piece, and the mask processing quality is improved;
2. the buffering assembly is arranged, so that the nose bridge strip can be tensioned before entering the edge of the mask piece, a certain pre-tension is generated on the nose bridge strip, the nose bridge strip is prevented from slipping on the guide device, and meanwhile, the deflection of the nose bridge strip between the first straightening roller and the second straightening roller is controlled, so that the conveying resistance is reduced;
3. set up the limiting plate, can carry out the hem back to the gauze mask piece at the hem subassembly, can prescribe a limit to the position of gauze mask and bridge of the nose strip simultaneously for the relative position of bridge of the nose strip and gauze mask top edge is more accurate, has improved the processingquality of gauze mask.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic structural diagram of a cushion assembly of an embodiment;
fig. 3 is a schematic structural diagram for embodying the guide device and the positioning assembly in the present embodiment.
Reference numerals: 1. a frame; 11. a material placing frame; 12. a welding and slitting device; 13. a hemming assembly; 2. a mask sheet; 3. a nose bridge strip; 4. a buffer assembly; 41. fixing a column; 42. a strut; 43. a torsion spring; 44. a first sliding sleeve; 45. a limiting part; 451. a first fixing lever; 452. an antifriction roller; 453. a limiting sheet; 454. a limiting column; 5. a guide device; 51. a mounting frame; 511. mounting a column; 512. mounting a plate; 513. a threaded hole; 514. fixing the bolt; 52. a first guide roller; 521. a groove; 53. a second guide roller; 54. a straightening roller set; 541. a first straightening roll; 542. a second straightening roll; 6. a positioning assembly; 61. mounting a rod; 62. a second sliding sleeve; 63. a second fixing bar; 64. a positioning ring; 7. a limiting plate; 71. a first positioning groove; 72. a second positioning groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a disposable mask production device, including frame 1, the cross-section of frame 1 is the U-shaped, and is provided with the conveyer belt on the horizontal part of frame 1, sets up the mask piece 2 that remains to put into nose bridge 3 on the conveyer belt. One side on the frame 1 is rotated and is connected with blowing frame 11, and the vertical setting of axis of blowing frame 11 is used for unreeling nose bridge strip 3. In order to hem the edges of two long edges of the mask piece 2 to be placed into the nose bridge strip 3, the nose bridge strip 3 can be wrapped in the upper edge of the mask piece 2, and a hem assembly 13 is fixedly mounted on the frame 1 and located on one side of the material placing frame 11. One side fixed mounting that just lies in hem subassembly 13 to deviate from blowing frame 11 on frame 1 has the butt fusion to cut device 12, and butt fusion cuts device 12 and is used for carrying out the butt fusion to the gauze mask raw materials behind the hem and divides the limit to cut into flaky gauze mask body with the gauze mask raw materials. The mask sheet 2 is specified to be placed into the nose bridge strip 3, one long edge is the upper edge of the mask sheet 2, and the right side of the welding and slitting device 12 is the right side of the frame 1.
Referring to fig. 2, a buffer assembly 4 is mounted on the inner side wall of the frame 1 and near the material placing frame 11, and is used for tensioning the nose bridge strip 3. The damping assembly 4 includes a fixing post 41, a strut 42 and a torsion spring 43. The fixing column 41 is fixed on the upper end surface of the frame 1. One end of the supporting rod 42 is rotatably matched with the fixing column 41, and the other end of the supporting rod 42 horizontally extends to the upper part of the mask piece 2. The torsion spring 43 is sleeved on the fixing column 41, one end of the torsion spring 43 is fixedly connected with the lower end face of the supporting rod 42, and the other end of the torsion spring 43 is fixedly connected with the rack 1. The supporting rod 42 is sleeved with a first sliding sleeve 44, and the first sliding sleeve 44 is fixed on the supporting rod 42 through bolts.
Referring to fig. 2, in order to limit the position of the nose bridge 3, a stopper 45 is installed on the lower end surface of the first sliding sleeve 44. The stopper 45 includes a first fixing lever 451, an antifriction roller 452, and a stopper piece 453. The first fixing rod 451 is vertically arranged and the upper end of the first fixing rod 451 is fixed to the lower end surface of the sliding sleeve. The anti-friction roller 452 is rotatably connected to the lower end of the first fixing lever 451, and the axis of the anti-friction roller 452 is vertically arranged. The first fixing rod 451 is fixed with a limiting piece 453 at both ends of the antifriction roller 452, and the cross section of the limiting piece 453 is circular. A limiting column 454 is fixedly connected between the two limiting pieces 453, the axis of the limiting column 454 is parallel to the axis of the antifriction roller 452, and the limiting column 454 is located on one side of the antifriction roller 452 away from the fixing column 41.
Referring to fig. 2 and 3, in order to precisely guide the nose bridge strip 3 to the upper edge of the mask sheet 2, a guide device 5 is installed on the frame 1, and the guide device 5 is located between the welding and slitting device 12 and the material placing frame 11. The guide 5 comprises a mounting frame 51 fixedly mounted on an inner side wall of the frame 1. The mounting bracket 51 includes a mounting post 511 and a mounting plate 512. The mounting columns 511 are arranged at intervals along the length direction of the rack 1, one end of each mounting column 511 is fixed on one inner side wall of the rack 1, and the two mounting columns 511 are horizontally arranged along the width direction of the rack 1. The mounting post 511 is provided with a plurality of threaded holes 513 along the length direction, so that the position of the mounting plate 512 can be conveniently adjusted. The mounting plates 512 are sleeved on the two mounting columns 511, the mounting columns 511 are connected with the mounting plates 512 through fixing bolts 514, and the lower ends of the fixing bolts 514 penetrate through the upper end surfaces of the mounting plates 512 and are in threaded connection with threaded holes 513 at the upper ends of the mounting columns 511.
Referring to fig. 2 and 3, a first guide roller 52 and a second guide roller 53 are rotatably connected to the mounting plate 512 in the order from right to left, a straightening roller group 54 is rotatably provided between the first guide roller 52 and the second guide roller 53, and two straightening roller groups 54 are provided at intervals along the longitudinal direction of the mounting plate 512. The straightener roll group 54 includes a first straightener roll 541 and a second straightener roll 542 which are juxtaposed in the height direction of the mounting frame 51. The second straightening roller 542 is driven by a motor so that the second straightening roller 542 and the first straightening roller 541 can convey the nose bridge 3 into the upper edge of the mask sheet 2. The nose bridge 3 is wound around the upper edge of the first guide roller 52, between the first straightening roller 541 and the second straightening roller 542, and the lower edge of the second guide roller 53 in this order, and extends to the side close to the welding-slitting device 12. The first guide roller 52 and the second guide roller 53 are circumferentially provided with a groove 521 matched with the nose bridge strip 3, so as to position the nose bridge strip 3.
Referring to fig. 3, a positioning assembly 6 is fixed on the inner side wall of the frame 1 and at the left side of the guide device 5, and is used for positioning the relative position of the nose bridge strip 3 and the mask piece 2. The positioning assembly 6 comprises a mounting rod 61, a second sliding sleeve 62, a second fixed rod 63 and a positioning ring 64. One end of the mounting rod 61 is fixed on the frame 1, and the other end of the mounting rod 61 extends horizontally above the mask sheet 2. The second sliding sleeve 62 is sleeved on the mounting rod 61 and fixed on the mounting rod 61 through bolts. The second fixed rod 63 is vertically fixed on the lower end surface of the second sliding sleeve 62. The positioning ring 64 is fixed to the lower end of the second fixing rod 63 and is close to the upper end face of the mask sheet 2. The nose bridge strip 3 passes through the retaining ring 64 and extends to the side close to the welding and slitting device 12.
Referring to fig. 3, a stopper plate 7 is fixed to both inner sidewalls of the housing 1. The limiting plate 7 is located between the guiding device 5 and the welding and slitting device 12, fixing plates attached to two inner side walls of the rack 1 are formed at two ends of the limiting plate 7 respectively, and the fixing plates are fixed on the rack 1 through bolts. The lower end face of the limiting plate 7 is provided with a first positioning groove 71 matched with the mask piece 2, and a second positioning groove 72 matched with the nose bridge strip 3 is formed in the first positioning groove 71 and at a position corresponding to the position where the nose bridge strip 3 is installed.
The implementation principle of the embodiment is as follows: one end of the nose bridge strip 3 is wound on the antifriction roller 452 from the material placing frame 11, and is sequentially wound on the upper edge of the first guide roller 52, between the first straightening roller 541 and the second straightening roller 542 and on the lower edge of the second guide roller 53, after the end of the nose bridge strip 3 is led out from the lower edge of the second guide roller 53, the nose bridge strip continuously passes through the positioning ring 64 and is placed into the upper edge of the mask piece 2 after being hemmed, and the relative position of the mask piece 2 and the nose bridge strip 3 is determined through the first positioning groove 71 and the second positioning groove 72 on the limiting plate 7. In overall structure, the conveying track of nose bridge strip 3 is always on the same vertical plane for the position location of nose bridge strip 3 is accurate, and is more accurate in leading-in the top edge of gauze mask piece 2.
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 (8)
1. The utility model provides a disposable gauze mask apparatus for producing, includes frame (1), locates frame (1) and is used for the butt fusion of processing gauze mask to cut device (12), its characterized in that: a material placing frame (11) for placing the nose bridge strip (3) is rotatably arranged on the frame (1) and close to one side of the feed inlet of the welding and slitting device (12); a mask piece (2) to be placed in the nose bridge strip (3) is arranged on the frame (1); the nose bridge strip guiding device is characterized in that a guiding device (5) for guiding the nose bridge strip (3) into the upper edge of the mask piece (2) is arranged on the rack (1), and the guiding device (5) is positioned between the welding and slitting device (12) and the material placing frame (11); the guide device (5) comprises a mounting rack (51) arranged on the inner side wall of the rack (1); a first guide roller (52) and a second guide roller (53) are sequentially arranged on the mounting rack (51) from right to left; a straightening roller group (54) is arranged between the first guide roller (52) and the second guide roller (53); the straightening roller group (54) comprises a first straightening roller (541) and a second straightening roller (542) which are arranged in parallel along the height direction of the mounting frame (51); the nose bridge strip (3) is sequentially wound around the upper edge of the first guide roller (52), the space between the first straightening roller (541) and the second straightening roller (542) and the lower edge of the second guide roller (53) and extends to the position close to the welding and slitting device (12); grooves (521) matched with the nose bridge strips (3) are formed in the circumferential directions of the first guide roller (52) and the second guide roller (53).
2. The disposable mask producing device according to claim 1, characterized in that: the mounting rack (51) comprises a mounting column (511) which is fixed on the inner side wall of the rack (1) and is arranged horizontally and a mounting plate (512) which is sleeved on the mounting column (511); two mounting columns (511) are arranged at intervals along the length direction of the rack (1); the mounting column (511) is connected with the mounting plate (512) through a fixing bolt (514); and a plurality of threaded holes (513) matched with the fixing bolts (514) are formed in the mounting column (511) along the length direction.
3. The disposable mask producing device according to claim 1, characterized in that: and a buffer component (4) used for tensioning the nose bridge strip (3) is arranged on one side, close to the material placing frame (11), of the mounting frame (51) and on the inner side wall of the rack (1).
4. The disposable mask producing device according to claim 3, characterized in that: the buffer assembly (4) comprises a fixed column (41) arranged on the upper end surface of the rack (1), a support rod (42) which is rotatably connected to the fixed column (41) and extends above the mask piece (2), and a torsion spring (43) sleeved on the fixed column (41); one end of the torsion spring (43) is fixedly connected with the lower end face of the support rod (42), and the other end of the torsion spring (43) is fixedly connected with the rack (1); the supporting rod (42) is sleeved with a first sliding sleeve (44), and the first sliding sleeve (44) is fixed on the supporting rod (42) through a bolt; the lower end face of the first sliding sleeve (44) is provided with a limiting part (45) used for limiting the position of the nose bridge strip (3).
5. The disposable mask producing device according to claim 4, characterized in that: the limiting part (45) comprises a first fixing rod (451) fixed at the lower end of the sliding sleeve and an antifriction roller (452) rotatably arranged at the lower end of the first fixing rod (451); the axes of the antifriction rollers (452) are vertically arranged; limiting pieces (453) are fixed on the first fixing rod (451) and positioned at two ends of the antifriction roller (452); a limiting column (454) with the axis parallel to the axis of the antifriction roller (452) is connected between the two limiting sheets (453); the limiting column (454) is positioned on one side of the antifriction roller (452) departing from the fixing column (41).
6. The disposable mask producing device according to claim 1, characterized in that: limiting plates (7) are fixed on two inner side walls of the rack (1); the limiting plate (7) is positioned between the guide device (5) and the welding and slitting device (12); the lower end surface of the limiting plate (7) is provided with a first positioning groove (71) matched with the mask piece (2); and a second positioning groove (72) matched with the nose bridge strip (3) is formed in the first positioning groove (71) and at a position corresponding to the nose bridge strip (3).
7. The disposable mask producing device according to claim 1, characterized in that: and a positioning assembly (6) for positioning the relative position of the nose bridge strip (3) and the mask piece (2) is fixed on the frame (1).
8. The disposable mask producing device according to claim 7, characterized in that: the positioning assembly (6) comprises a mounting rod (61) fixed on the rack (1), a second sliding sleeve (62) arranged on the mounting rod (61), a second fixing rod (63) fixed on the lower end face of the second sliding sleeve (62), and a positioning ring (64) fixed at the lower end of the second fixing rod (63) and close to the upper end face of the mask sheet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021205377.8U CN212708064U (en) | 2020-06-24 | 2020-06-24 | Disposable mask production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021205377.8U CN212708064U (en) | 2020-06-24 | 2020-06-24 | Disposable mask production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212708064U true CN212708064U (en) | 2021-03-16 |
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ID=74962483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021205377.8U Active CN212708064U (en) | 2020-06-24 | 2020-06-24 | Disposable mask production device |
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| Country | Link |
|---|---|
| CN (1) | CN212708064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104635A (en) * | 2021-03-17 | 2021-07-13 | 三峡大学 | Comprehensive tensioning and discharging mechanism for feeding of mask machine and control method |
-
2020
- 2020-06-24 CN CN202021205377.8U patent/CN212708064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104635A (en) * | 2021-03-17 | 2021-07-13 | 三峡大学 | Comprehensive tensioning and discharging mechanism for feeding of mask machine and control method |
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