CN211594521U - Mask nose bridge line feeding device - Google Patents

Abstract

The utility model discloses a mask nose bridge line feeding device, which comprises a synchronous transmission mechanism, a feeding mechanism, a straightening mechanism, a fixed section conveying mechanism and a fixed section cutting mechanism which are arranged in sequence; the synchronous transmission mechanism is respectively connected with the fixed section conveying mechanism and the fixed section cutting mechanism; the feeding mechanism is used for feeding the nose bridge line, the straightening mechanism receives the nose bridge line of the feeding and conducts straightening, the fixed section conveying mechanism receives the straightened nose bridge line, the fixed section conveying mechanism conveys the fixed section cutting mechanism, the fixed section cutting mechanism conducts fixed section cutting on the nose bridge line conveyed by the fixed section, and the synchronous transmission mechanism conducts synchronization on conveying of the fixed section conveying mechanism and cutting of the fixed section cutting mechanism. This application sets up through feed mechanism, straightening mechanism, decide a transport mechanism, decide the section and cut mechanism and synchronous drive mechanism's cooperation, and smooth realization processes such as the material loading of bridge of the nose line, straightening and decide the section and cut, and guaranteed the uniformity that decides the section and cut, and then guaranteed the quality of follow-up gauze mask production.

Description

Mask nose bridge line feeding device

Technical Field

The utility model relates to a gauze mask production technical field specifically, relates to a gauze mask bridge of the nose line loading attachment.

Background

The mask is a sanitary product used for filtering air entering the mouth and the nose and protecting the respiratory system and the health of a human body, and when the mask is worn by a human body, germs and pollutants affecting the health of the human body, such as spray, dust, waste gas and the like, can be protected and filtered to enter the human body. The mask mainly comprises a mask main body, a nose bridge rib and an ear band, wherein the mask main body is made of multiple layers of filtering materials, and the nose bridge rib is formed by cutting a nose bridge line. The nose bridge line cutting device in the prior art has poor cutting consistency on the nose bridge line, and the quality of subsequent mask production cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a gauze mask bridge of the nose line loading attachment.

The utility model discloses a gauze mask bridge of nose line loading attachment, include: the automatic cutting machine comprises a feeding mechanism, a straightening mechanism, a fixed section conveying mechanism, a fixed section cutting mechanism and a synchronous transmission mechanism; the feeding mechanism, the straightening mechanism, the fixed section conveying mechanism and the fixed section cutting mechanism are sequentially arranged; the synchronous transmission mechanism is respectively connected with the fixed section conveying mechanism and the fixed section cutting mechanism; the feeding mechanism is used for feeding the nose bridge line, the straightening mechanism receives the nose bridge line of the feeding and conducts straightening, the fixed section conveying mechanism receives the straightened nose bridge line, the fixed section conveying mechanism conveys the fixed section cutting mechanism, the fixed section cutting mechanism conducts fixed section cutting on the nose bridge line conveyed by the fixed section, and the synchronous transmission mechanism conducts synchronization on conveying of the fixed section conveying mechanism and cutting of the fixed section cutting mechanism.

According to an embodiment of the present invention, the feeding mechanism includes a bridge frame and a coil feeding assembly disposed on the bridge frame; the coil stock feeding assembly is used for feeding a nose bridge line.

According to an embodiment of the present invention, the feeding mechanism further comprises a nose bridge line tension assembly; the nose bridge wire tensioning assembly comprises a wire tensioning piece and a wire passing piece; the wire tensioning piece is positioned below the coil feeding assembly, one end of the wire tensioning piece is rotationally connected with the nose bridge frame, the other end of the wire tensioning piece extends towards the straightening mechanism, and the wire passing piece is rotationally connected to the other end of the wire tensioning piece; the nose bridge line for feeding the coil feeding assembly is wound on the line passing part and then extends to the straightening mechanism; the swinging wire stretching piece stretches the nose bridge wire.

According to an embodiment of the present invention, the straightening mechanism includes a straightening mounting plate and a straightening assembly disposed on the straightening mounting plate; the straightening assembly comprises a plurality of upper straightening pieces arranged side by side and a plurality of lower straightening pieces arranged side by side; the plurality of upper straightening parts arranged side by side are positioned above the plurality of lower straightening parts arranged side by side, straightening gaps are formed between the plurality of upper straightening parts arranged side by side and the plurality of lower straightening parts arranged side by side, and the nose bridge line of the feeding material penetrates through the straightening gaps to be straightened.

According to an embodiment of the present invention, the straightening mechanism further comprises a straightening transition component and a straightening guide component; the straightening transition component is positioned on one side of the straightening component close to the feeding mechanism, and the straightening guide component is positioned between the straightening component and the straightening transition component; the nose bridge line of material loading passes through straightening transition subassembly transition diversion earlier, passes straightening guide assembly and leads the back again, just to extending and pass straightening clearance and straighten.

According to an embodiment of the present invention, the fixed-section conveying mechanism includes a conveying main driving component and a conveying driven component; the transmission main driving component and the transmission driven component are arranged oppositely; the nose bridge line after straightening passes between the conveying main drive assembly and the conveying driven assembly which are arranged oppositely, and is respectively attached to the conveying main drive assembly and the conveying driven assembly, and the conveying main drive assembly is matched with the conveying driven assembly to convey the nose bridge line in a fixed section.

According to an embodiment of the present invention, the conveying main drive assembly includes a conveying main shaft and a conveying member, the conveying member has a conveying gap; the conveying piece is sleeved on the conveying main shaft; the transmission driven assembly comprises a transmission driven shaft and a driven member; the driven part is sleeved on the transmission driven shaft, and the transmission part is opposite to the transmission part; the nose bridge line after straightening passes between the conveying piece and the driven piece that set up relatively, and conveying piece and driven piece cooperation convey the nose bridge line inlet wire, and when the conveying breach of conveying piece was relative with the driven piece, carried out the sky to the nose bridge line and passed, realized deciding the section and convey.

According to one embodiment of the present invention, the fixed-section cutting mechanism comprises a fixed-section cutting main drive assembly, a cutting reset assembly and a guide assembly; the cutting reset assembly is arranged on the guide assembly and connected with the cutting assembly; the cutting end of the cutting assembly faces the wire outlet end of the guide assembly; the fixed-section cutting main drive component is opposite to the cutting component; the nose bridge line that the conveying was come gets into and leads by the inlet wire end of direction subassembly, and the back is derived by the leading-out terminal of direction subassembly, decides the section and cuts mainly and drives the subassembly interval and act on cutting assembly, and cutting assembly interval acts on the nose bridge line of deriving and decides the section and cut, cuts the reset assembly and resets to the cutting assembly after cutting.

According to an embodiment of the present invention, the fixed-length cutting main drive assembly comprises a cutting main drive shaft, a power frame arranged on the cutting main drive shaft, and a power member rotatably connected to the power frame; the main driving shaft for cutting is rotated to drive the power part to rotate, and the power part acts on the cutting assembly at intervals.

According to an embodiment of the present invention, the synchronous transmission mechanism includes a driving assembly, a first synchronous transmission assembly and a second synchronous transmission assembly; the output end of the driving component is connected with the first synchronous transmission component or the second synchronous transmission component, the first synchronous transmission component is in meshing transmission with the second synchronous transmission component, and the first synchronous transmission component and the second synchronous transmission component are respectively connected with the fixed section conveying mechanism and the fixed section cutting mechanism; the driving assembly drives the first synchronous transmission assembly or the second synchronous transmission assembly, and the first synchronous transmission assembly and the second synchronous transmission assembly respectively and synchronously drive the fixed section conveying mechanism to convey and the fixed section cutting mechanism to cut.

This application sets up through feed mechanism, straightening mechanism, decide a transport mechanism, decide the section and cut mechanism and synchronous drive mechanism's cooperation, and smooth realization processes such as the material loading of bridge of the nose line, straightening and decide the section and cut, and guaranteed the uniformity that decides the section and cut, and then guaranteed the quality of follow-up gauze mask production.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of a mask nose bridge line feeding device in this embodiment;

FIG. 2 is a schematic structural view of another view of the nose bridge line loading device of the mask of the present embodiment;

FIG. 3 is a schematic structural diagram of the straightening guide assembly according to the present embodiment;

FIG. 4 is an enlarged view of the portion A of FIG. 1 in the present embodiment;

fig. 5 is a schematic structural view of the fixed-length cutting mechanism in the present embodiment;

fig. 6 is a sectional view of the fixed-length cutting mechanism of the present embodiment.

Description of reference numerals:

1. a feeding mechanism; 11. a nose bridge; 12. a coil feeding assembly; 13. a nose line over-tensioning assembly; 131. a wire tensioning piece; 132. a wire passing piece; 133. mounting plates in an over-tensioned manner; 1331. a limiting rod; 134. a gear lever; 2. a straightening mechanism; 20. straightening the mounting plate; 21. a straightening component; 211. an upper straightening part; 212. a lower straightening member; 22. a straight transition component; 23. a straightening guide assembly; 231. a wire guide hole; 3. a fixed-section conveying mechanism; 31. a transfer main drive assembly; 311. a transfer spindle; 312. a conveying member; 3121. a transfer gap; 32. a transfer driven assembly; 321. a transfer shaft; 322. a driven member; 33. a driven adjustment assembly; 331. an adjusting plate; 332. an adjustment member; 34. a transfer transition assembly; 341. an upper transition piece; 342. an upper transition piece; 343. conveying a transition piece; 4. a fixed-section cutting mechanism; 41. a fixed-section cutting main drive component; 411. cutting the main driving shaft; 412. a power frame; 413. a power element 413; 42. cutting the assembly; 421. a cutter; 422. a cutter stress portion; 43. cutting a reset component; 44. a guide assembly; 441. a guide hole; 442. a cavity; 443. a slope leading-out part; 5. a synchronous transmission mechanism; 51. a first synchronous drive assembly; 52. a second synchronous drive assembly; 100. a mounting frame; 101. a front plate; 1011. passing a wheel; 102. a back plate; 103. a base plate.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least two of that feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:

referring to fig. 1 and fig. 2, fig. 1 is a schematic structural view of a nose bridge line loading device of a mask in this embodiment, and fig. 2 is a schematic structural view of another viewing angle of the nose bridge line loading device of the mask in this embodiment. The mask nose bridge line feeding device in the embodiment comprises a feeding mechanism 1, a straightening mechanism 2, a fixed section conveying mechanism 3, a fixed section cutting mechanism 4 and a synchronous transmission mechanism 5. The feeding mechanism 1, the straightening mechanism 2, the fixed section conveying mechanism 3 and the fixed section cutting mechanism 4 are sequentially arranged. The synchronous transmission mechanism 5 is respectively connected with the fixed section conveying mechanism 3 and the fixed section cutting mechanism 4. The material loading mechanism 1 is used for the material loading of nose bridge line, and straightening mechanism 2 receives the nose bridge line of material loading and carries out the straightening, and fixed section transport mechanism 3 receives the nose bridge line of straightening to fixed section cutting mechanism 4 is sent to the fixed section, and fixed section cutting mechanism 4 carries out the fixed section to the nose bridge line of fixed section conveying and cuts, and synchronous drive mechanism 5 is synchronous to the conveying of fixed section transport mechanism 3 and the cutting of fixed section cutting mechanism 4.

The material loading mechanism 1, the straightening mechanism 2, the fixed section conveying mechanism 3, the fixed section cutting mechanism 4 and the synchronous transmission mechanism 5 are arranged in a matched mode, procedures such as material loading, straightening and fixed section cutting of the nose bridge line are smoothly achieved, the fixed section cutting consistency is guaranteed, and then the quality of follow-up mask production is guaranteed.

Referring back to fig. 1 and 2, further, the feeding mechanism 1 includes a nose bridge 11 and a roll feeding assembly 12 provided on the nose bridge 11. The roll material feeding assembly 12 is used for feeding of the nose bridge line. The coiled nose bridge wire is sleeved on the roll material feeding assembly 12, and the roll material feeding assembly 12 releases and feeds the nose bridge wire. The coil feeding assembly 12 in this embodiment may adopt an existing unwinding mechanism, and will not be described herein.

Preferably, the feed mechanism 1 further comprises a nose line over-tensioning assembly 13. The nose bridge wire tensioning assembly 13 includes a tensioning wire 131 and a wire tensioning wire 132. The wire tensioning member 131 is positioned below the coil feeding assembly 12, one end of the wire tensioning member 131 is rotatably connected with the nose bridge 11, the other end of the wire tensioning member 131 extends towards the straightening mechanism 2, and the wire passing member 132 is rotatably connected with the other end of the wire tensioning member 131. The nose line fed by the coil feeding assembly 12 is wound around the wire passing member 132 and then extends to the straightening mechanism 2. The swinging tension member 131 tensions the nose bridge line. Specifically, the nose bridge line overstretching assembly 13 further includes an overstretching mounting plate 133. The over-tensioned mounting plate 133 is mounted on the bridge 11 and located below the coil feeding assembly 12, and the upper side and the lower side of the over-tensioned mounting plate 133 are respectively and vertically provided with a limiting rod 1331. The wire tensioning piece 131 is rotatably connected to the tensioning mounting plate 133 and is located between the two limiting rods 1331, the two limiting rods 1331 limit the swing angle of the wire tensioning piece 131, and the phenomenon that excessive swing interferes with the material roll feeding assembly 12 can be avoided. The wire passing member 132 is a roller rotatably connected to one end of the wire tensioning member 131 far from the tensioning plate 133 through a rotating shaft, and the loaded nose bridge wire continues to extend towards the straightening mechanism 2 after being wound from below the wire passing member 132. Preferably, the nasal bridge wire overstretching assembly 13 further comprises a stop bar 134. The stop bar 134 is disposed on the rotating shaft through a connecting block, and the stop bar 134 is located at a side close to the nose bridge 11 and adjacent to the wire passing member 132. The nose bridge line passes through the space between the wire passing member 132 and the blocking rod 134, so that the nose bridge line wound on the wire passing member 132 can be supported and blocked by the blocking rod 134, and the nose bridge can be prevented from being loosened.

Referring back to fig. 1 and 2, further, the straightening mechanism 2 includes a straightening mounting plate 20 and a straightening assembly 21 disposed on the straightening mounting plate 20. The straightening assembly 21 comprises a plurality of upper straightening elements 211 arranged side by side and a plurality of lower straightening elements 212 arranged side by side. The upper straightening pieces 211 arranged side by side are located above the lower straightening pieces 212 arranged side by side, straightening gaps are formed between the upper straightening pieces 211 arranged side by side and the lower straightening pieces 212 arranged side by side, and the nose bridge line of the feeding penetrates through the straightening gaps to be straightened.

Specifically, the mask nose bridge line feeding device in this embodiment further includes an installation frame 100. The straightening mechanism 2, the fixed section conveying mechanism 3, the fixed section cutting mechanism 4 and the synchronous transmission mechanism 5 are mounted on the mounting frame 100. The mounting block 100 includes a front plate 101, a rear plate 102 and a bottom plate 103, wherein the front plate 101 and the rear plate 102 are respectively vertically mounted on the bottom plate 103, and the front plate 101 and the rear plate 102 are spaced apart from each other and parallel to each other.

The straightening installation plate 20 is arranged on the surface of the front plate 101 of the installation frame 100, which is opposite to the back plate 102. The upper straightening parts 211 and the lower straightening parts 212 in this embodiment are rollers, each of the upper straightening parts 211 and the lower straightening parts 212 is rotatably connected to the straightening mounting plate 20 through a rotating shaft, wherein the number of the upper straightening parts 211 is three, the three upper straightening parts 211 are sequentially arranged at intervals along the length direction of the straightening mounting plate 20, the central points of the three upper straightening parts 211 are on one straight line, the number of the lower straightening parts 212 is two, the two lower straightening parts 212 are located below the three upper straightening parts 211 and are respectively opposite to the intervals between the two adjacent upper straightening parts 211, so that the upper straightening parts 211 and the lower straightening parts 212 are arranged in a staggered manner, the central points of the two lower straightening parts 212 are on one straight line, and a nose bridge line passes through the straightening gaps to complete straightening.

With continued reference to fig. 1 and 3, fig. 3 is a schematic structural diagram of the straightening guide assembly in the present embodiment. Further, the straightening mechanism 2 further comprises a straightening transition assembly 22 and a straightening guide assembly 23. The straightening transition component 22 is positioned at one side of the straightening component 21 close to the feeding mechanism 1, and the straightening guide component 23 is positioned between the straightening component 21 and the straightening transition component 22. The nose bridge line of material loading passes through straightening transition subassembly 22 transition diversion earlier, passes straightening guide assembly 23 and leads after, just to extending and pass straightening clearance and straighten.

Specifically, the straightening transition assembly 22 is a transition roller, which is vertically disposed on the front plate 101. The bridge of the nose line of material loading passes through straightening transition subassembly 22 and carries out the transition diversion to the direction of the guide of straightening subassembly 23. Preferably, the front plate 101 is further provided with a wheel 1011, the wheel 1011 is located above the straightening transition component 22 and close to the line passing component 132, and the wheel 1011 is used for passing the nose bridge line to the straightening transition component 22 and is convenient for supporting the nose bridge line when the line tensioning component 131 swings. The straightening guide assembly 23 is plate-shaped, is vertically arranged on the front plate 101, and is opposite to the straightening assembly 21. The shaping guide assembly 23 is provided with a wire guide hole 231, the wire guide hole 231 and the straightening gap are positioned on the same straight line, and the nose bridge line after the transition of the straightening transition assembly 22 can be inserted into the straightening gap between the upper straightening part 211 and the lower straightening part 212 through the wire guide hole 231. Preferably, the wire guides 231 are leak-hole shaped with a larger face at one end facing the straightening transition member 22 and a smaller face at the other end facing the straightening gap to facilitate passage of the nasal bridge wire.

With continued reference to fig. 1 and 4, fig. 4 is an enlarged view of portion a of fig. 1 in the present embodiment. Further, the fixed segment transfer mechanism 3 includes a transfer main driving assembly 31 and a transfer driven assembly 32. The transmission driving assembly 31 is disposed opposite to the transmission driven assembly 32. The nose bridge line after straightening passes between the conveying main drive assembly 31 and the conveying driven assembly 32 which are oppositely arranged, and is respectively attached to the conveying main drive assembly 31 and the conveying driven assembly 32, and the conveying main drive assembly 31 is matched with the conveying driven assembly 32 to carry out section fixing conveying on the nose bridge line.

The transmission main driving assembly 31 in this embodiment includes a transmission main shaft 311 and a transmission member 312, the transmission member 312 has a transmission gap 3121, and the transmission member 312 is sleeved on the transmission main shaft 311. The transmission driven assembly 32 includes a transmission driven shaft 321 and a driven member 322, wherein the driven member 322 is sleeved on the transmission driven shaft 321. The transferring member 312 is opposite to the transferring member 312. The straightened nose bridge line passes through the conveying part 312 and the driven part 322 which are arranged oppositely, the conveying part 312 is matched with the driven part 322 to convey the nose bridge line, and when the conveying notch 3121 of the conveying part 312 is opposite to the driven part 322, the nose bridge line is conveyed in the air, so that the fixed-section conveying is realized. Specifically, the transport spindle 311 vertically penetrates the front plate 101 and is rotatably coupled to the front plate 101. The transmission member 312 is disposed at one side of the straightening assembly 21 and sleeved on the end of the transmission main shaft 211. The conveying gap 3121 is transverse to the plane of the conveying member 312, so that the longitudinal section of the conveying member 312 is a semi-arc. The transfer slave shaft 321 is provided perpendicularly to the front plate 101 and is located directly below the transfer master shaft 311. The follower 322 is sleeved on the transmission shaft 321 and faces the transmission member 312, and the longitudinal section of the follower 322 is circular. There is a gap between the follower 322 and the transmitting slave shaft 321, and when the nose line passes through the gap between the follower 322 and the transmitting slave shaft 321, the driven member 322 cooperates with the transmission shaft 321 to press the nose bridge line, rotates the transmission shaft 311, so that the transmission member 312 rotates to drive the driven member 322 to rotate synchronously and transmit the nose bridge line, when the transmission notch 3121 of the transmission member 312 is rotated to be opposite to the driven member 322, the pressed state of the driven member 322 and the transmission shaft 321 to the nose bridge line disappears, the state of transmission to the bridge line disappears, and the empty transmission is performed until the state of transmission continues when the follower 322 and the transmission shaft 321 press the bridge line again, and thus, the fixed-section conveying of the nose bridge line can be realized, the length of the fixed-section conveying nose bridge line is the perimeter of the conveying piece 312 except the gap 3121, the length of the fixed section can be designed by designing the size of the notch 3121 or the size of the conveying member 312 in a specific application.

Preferably, the fixed segment transfer mechanism 3 further comprises a driven adjustment assembly 33. The driven adjusting assembly 33 is arranged on the front plate 101, the transmission driven assembly 32 is arranged on the driven adjusting assembly 33, the distance between the transmission driven assembly 32 and the transmission main driving assembly 31 is adjusted through the driven adjusting assembly 33, and therefore the nose bridge line transmission device can be matched with the nose bridge lines with different diameters. Specifically, the driven adjusting assembly 33 includes an adjusting plate 331 and an adjusting member 332. The adjusting plate 331 is located right below the transmission main shaft 311 and is in sliding connection with the front plate 101, the transmission driven shaft 321 is vertically arranged on the adjusting plate 331, the adjusting piece 332 is matched with a screw through a screw block, the adjusting piece 332 is installed on the front plate 101 through a screw block and is located below the adjusting plate 331, the screw of the adjusting piece 332 penetrates through the adjusting piece 332 from below to form the screw block and is abutted against the adjusting plate 331, the screw block of the adjusting piece 332 is in threaded connection with the screw, the adjusting screw is in threaded connection with the depth of the screw block, and then the distance between the adjusting plate 331 and the transmission main shaft 311 is adjusted, so that the gap adjustment between the transmission piece 312 and the driven piece 322 is realized.

Preferably, the fixed segment transfer mechanism 3 further comprises a transfer transition assembly 34. The conveying transition assembly 34 is positioned between the conveying main driving assembly 31 and the straightening assembly 21, and the straightened nose bridge line firstly passes through the conveying transition assembly 34 to be transited and then enters between the conveying main driving assembly 31 and the conveying driven assembly 32, so that the smoothness of positioning and conveying is facilitated. The transfer transition assembly 34 in this embodiment includes an upper transition piece 341 and a lower transition piece 342, the upper transition piece 341 and the lower transition piece 342 are respectively disposed on the front plate 101, the upper transition piece 341 is located above the lower transition piece 342, and a space between the upper transition piece 341 and the lower transition piece 342 is opposite to a space between the transfer driving assembly 31 and the transfer driven assembly 32. The structure and principle of the upper transition piece 341 and the lower transition piece 342 in this embodiment are consistent with those of the transmission driven assembly 32, and will not be described herein again. Preferably, the transfer transition assembly 34 also includes a transfer transition adjustment member 343. The lower transition piece 342 is provided to the front plate 101 by a transfer transition adjustment piece 343, and the transfer transition adjustment piece 343 is used to adjust the distance between the lower transition piece 342 and the upper transition piece 341. The structure and principle of the transmission transition adjusting member 343 in this embodiment are identical to those of the driven adjusting assembly 33, and will not be described herein.

With continuing reference to fig. 1, 2, 5 and 6, fig. 5 is a schematic structural view of the fixed-length cutting mechanism of the present embodiment, and fig. 6 is a sectional view of the fixed-length cutting mechanism of the present embodiment. Further, the fixed-length cutting mechanism 4 includes a fixed-length cutting main drive assembly 41, a cutting assembly 42, a cutting return assembly 43, and a guide assembly 44. The cutting reset component 43 is arranged on the guide component 44 and is connected with the cutting component 42. The cutting end of the cutting assembly 42 faces the outlet end of the guide assembly 44. The fixed cutting main driving component 41 is opposite to the cutting component 42. The nose bridge line that conveys comes in and leads by the inlet wire end of guide subassembly 44, and the back is derived by the outlet wire end of guide subassembly 44, decides the section and cuts main subassembly 41 interval action that drives and cut the subassembly 42, cuts the subassembly 42 interval and acts on the nose bridge line of deriving and decide the section and cut, cuts reset subassembly 43 and resets cutting the subassembly 42 after cutting. The fixed-section cutting main driving assembly 41 comprises a cutting main driving shaft 411, a power frame 412 arranged on the cutting main driving shaft 411, and a power piece 413 rotatably connected to the power frame 412. The cutting main driving shaft 411 is rotated to drive the power piece 413 to rotate, and the power piece 413 acts on the cutting assembly 42 at intervals.

Specifically, the cutting main driving shaft 411 is inserted through the front plate 101. One end of the power frame 412 is vertically arranged at the end part of the cutting main driving shaft 411, and the power piece 413 is rotatably connected to the other end of the power frame 412. The power member 413 in this embodiment is a roller. The cutting main shaft 411 is rotated so that the power piece 413 rotates centering on the cutting main shaft 411. The guide assembly 44 is mounted on the front plate 101 by two mounting rods, and the guide assembly 44 is located below the cutting main drive shaft 411 and adjacent to the fixed length conveying mechanism 3. The guiding assembly 44 in this embodiment is a rectangular block, and a guiding hole 441 is formed along the length direction thereof, the guiding hole 441 is aligned with the spacing position between the transmitting member 312 and the driven member 322, and the nose bridge line transmitted by matching the transmitting member 312 and the driven member 322 enters the guiding hole 441 for guiding. Preferably, one end of the guide hole 441 facing the spacing position between the conveying member 312 and the driven member 322 is funnel-shaped, that is, the inlet end of the guide hole 441 is funnel-shaped, so that the nose bridge line can enter the guide hole 441, and the other end of the guide hole 441 is an outlet end. The upper portion of the guiding component 44 is provided with a cavity 442, the cavity 442 is located on one side of the guiding component 44 away from the fixed-segment conveying mechanism 3, and is specifically a strip-shaped cavity formed by the concave upper surface of the guiding component 44. One end of the reset cutting component 43 is connected to the upper surface of the guiding component 44, and the other end extends to the upper side of the cavity 442, and the reset cutting component 43 in this embodiment is a spring. The cutting assembly 42 includes a cutter 421 and a cutter stress portion 422. The lower end of the cutter 421 is opposite to the wire outlet end of the guide hole 441, the cutter stress part 422 is sleeved at the upper end of the cutter 421 and is opposite to the cutting main drive shaft 411, the cutter 421 is adjacent to the cavity 442, and the other end of the cutting reset component 43 is connected with the cutter 421. The power piece 413 rotates with cutting main drive shaft 411 as the center, only rotate to the below and just can roll in cutter stress portion 422, and then act on cutter stress portion 422 and push down cutter 421, make cutter 421 cut off the bridge of the nose line of leading-out from the leading-out terminal of guiding hole 441, and make and cut reset assembly 43 deformation, when rotatory power piece 413 does not act on with cutter stress portion 422, cut reset assembly 43 and make cutter 421 reset, so, along with the fixed segment conveying of bridge of the nose line, realize in step that the fixed segment is cut to the bridge of the nose line, and the length that the fixed segment was cut is the length of the rotatory a week of power piece 413. In a specific application, the setting of the rotating circumference of the power member 413 is adapted to the setting of the circumference of the transmission member 312 except for the notch 3121. The roller-shaped power piece 413 is also convenient for abrasion of the stress part 422 of the cutter and smooth cutting action. Preferably, the guiding assembly 44 is further provided with a slope guiding-out portion 443, and the slope guiding-out portion 443 is located on a side of the guiding assembly 44 away from the fixed segment conveying mechanism 3 and is communicated with the outlet end of the guiding hole 441. The inclined plane derivation portion 443 in this embodiment is the cooperation of two inclined elastic pieces, two inclined elastic pieces set up from top to bottom, the inclined elastic piece that is located the below is connected with the lower surface of guide assembly 44, the inclined elastic piece that is located the top is connected with guide assembly 44 through the installation piece, and avoid letting out cutter 421, two inclined elastic pieces all incline towards the direction of keeping away from the lower surface of guide assembly 44, and the end of two inclined elastic pieces is adjacent or laminate mutually, two inclined elastic pieces can carry out the centre gripping of certain degree to the bridge of the nose line that passes through guiding hole 441, so that cutting of cutting assembly 42, can not restrict the removal of bridge of the nose line again.

Referring back to fig. 1 and 2, further, the synchronous transmission mechanism 5 includes a driving assembly (not shown), a first synchronous transmission assembly 51 and a second synchronous transmission assembly 52. The output end of the driving component is connected with the first synchronous transmission component 51 or the second synchronous transmission component 52, the first synchronous transmission component 51 is in meshing transmission with the second synchronous transmission component 52, and the first synchronous transmission component 51 and the second synchronous transmission component 52 are respectively connected with the fixed section conveying mechanism 3 and the fixed section cutting mechanism 4. The driving assembly drives the first synchronous transmission assembly 51 or the second synchronous transmission assembly 52, and the first synchronous transmission assembly 51 and the second synchronous transmission assembly 52 respectively drive the fixed-section conveying mechanism 3 to convey and the fixed-section cutting mechanism 4 to cut synchronously.

Specifically, the driving component in this embodiment is a motor, which is installed on a side of the back plate 102 opposite to the front plate 101. The first synchronous transmission component 51 and the second synchronous transmission component 52 are respectively positioned between the front plate 101 and the rear plate 102, the first synchronous transmission component 51 and the second synchronous transmission component 52 are both matched with a gear shaft and a gear, and the gear is sleeved on the gear shaft; the gears of the first synchronous transmission assembly 51 mesh with the gears of the second synchronous transmission assembly 52. The first synchronous transmission component 51 and the second synchronous transmission component 52 are respectively connected between the front plate 101 and the rear plate 102 in a rotating mode, wherein a gear shaft of the first synchronous transmission component 51 is coaxially connected with the transmission main shaft 311, and a gear shaft of the second synchronous transmission component 52 is coaxially connected with the cutting main drive shaft 411, so that when an output end of the driving component is connected and driven with the gear shaft of the first synchronous transmission component 51 or the gear shaft of the second synchronous transmission component 52, the transmission main shaft 311 and the cutting main drive shaft 411 can be driven to rotate synchronously, and further the synchronization of the cutting of the nose bridge line conveyor is achieved.

The above is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A mask nose bridge line feeding device is characterized by comprising a feeding mechanism (1), a straightening mechanism (2), a fixed section conveying mechanism (3), a fixed section cutting mechanism (4) and a synchronous transmission mechanism (5); the feeding mechanism (1), the straightening mechanism (2), the fixed section conveying mechanism (3) and the fixed section cutting mechanism (4) are arranged in sequence; the synchronous transmission mechanism (5) is respectively connected with the fixed section conveying mechanism (3) and the fixed section cutting mechanism (4); the nose bridge line cutting machine is characterized in that the feeding mechanism (1) is used for feeding a nose bridge line, the straightening mechanism (2) receives the fed nose bridge line and conducts straightening, the fixed section conveying mechanism (3) receives the straightened nose bridge line and conveys the fixed section to the fixed section cutting mechanism (4), the fixed section cutting mechanism (4) conveys the fixed section the nose bridge line is subjected to fixed section cutting, and the synchronous transmission mechanism (5) is right for conveying the fixed section conveying mechanism (3) and cutting of the fixed section cutting mechanism (4) are synchronous.

2. The mask nose bridge line feeding device according to claim 1, wherein the feeding mechanism (1) comprises a nose bridge (11) and a roll feeding assembly (12) arranged on the nose bridge (11); the coil material feeding assembly (12) is used for feeding the nose bridge line.

3. The mask nose bridge line feeding device according to claim 2, wherein the feeding mechanism (1) further comprises a nose bridge line tensioning assembly (13); the nose bridge line tension assembly (13) comprises a tension line piece (131) and a line passing piece (132); the wire tensioning piece (131) is positioned below the coil stock feeding assembly (12), one end of the wire tensioning piece (131) is rotatably connected with the nose bridge frame (11), the other end of the wire tensioning piece extends towards the straightening mechanism (2), and the wire passing piece (132) is rotatably connected with the other end of the wire tensioning piece (131); the nose bridge line fed by the coil feeding assembly (12) is wound on the line passing piece (132) and then extends to the straightening mechanism (2); and swinging the wire tensioning piece (131) to tension the nose bridge wire.

4. The mask nose bridge line feeding device according to claim 1, wherein the straightening mechanism (2) comprises a straightening mounting plate (20) and a straightening assembly (21) arranged on the straightening mounting plate (20); the straightening assembly (21) comprises a plurality of upper straightening pieces (211) arranged side by side and a plurality of lower straightening pieces (212) arranged side by side; the upper straightening parts (211) arranged side by side are positioned above the lower straightening parts (212) arranged side by side, straightening gaps are formed between the upper straightening parts (211) arranged side by side and the lower straightening parts (212) arranged side by side, and the nose bridge line of the material loading passes through the straightening gaps to be straightened.

5. The mask nose bridge line feeding device according to claim 4, wherein the straightening mechanism (2) further comprises a straightening transition component (22) and a straightening guide component (23); the straightening transition assembly (22) is positioned on one side of the straightening assembly (21) close to the feeding mechanism (1), and the straightening guide assembly (23) is positioned between the straightening assembly (21) and the straightening transition assembly (22); the nose bridge line of material loading is first through straightening transition subassembly (22) transition diversion, passes through straightening direction guide assembly (23) and after the direction, just to extending and pass straightening clearance and carry out straightening.

6. The mask nose bridge line feeding device according to claim 1, wherein the fixed section conveying mechanism (3) comprises a conveying main driving component (31) and a conveying driven component (32); the transmission main driving component (31) is arranged opposite to the transmission driven component (32); the straightened nose bridge line penetrates through the transmission main driving assembly (31) and the transmission driven assembly (32) which are oppositely arranged, and is respectively attached to the transmission main driving assembly (31) and the transmission driven assembly (32), and the transmission main driving assembly (31) and the transmission driven assembly (32) are matched to carry out fixed-section transmission on the nose bridge line.

7. The mask nose bridge line feeding device according to claim 6, wherein the conveying main driving assembly (31) comprises a conveying main shaft (311) and a conveying member (312), the conveying member (312) is provided with a conveying notch (3121); the conveying piece (312) is sleeved on the conveying main shaft (311); the transmission driven assembly (32) comprises a transmission driven shaft (321) and a driven member (322); the driven part (322) is sleeved on the conveying driven shaft (321), and the conveying part (312) is opposite to the conveying part (312); the straightened nose bridge line penetrates through the conveying part (312) and the driven part (322) which are arranged oppositely, the conveying part (312) and the driven part (322) are matched to carry out line feeding conveying on the nose bridge line, and the conveying notch (3121) of the conveying part (312) is opposite to the driven part (322) to carry out idle conveying on the nose bridge line, so that fixed-section conveying is realized.

8. The mask nose bridge line feeding device according to claim 1, wherein the fixed-section cutting mechanism (4) comprises a fixed-section cutting main driving component (41), a cutting component (42), a cutting reset component (43) and a guiding component (44); the cutting reset component (43) is arranged on the guide component (44) and is connected with the cutting component (42); the cutting end of the cutting component (42) faces the outlet end of the guide component (44); the fixed cutting main drive component (41) is opposite to the cutting component (42); the nose bridge line that conveys is by the inlet wire end entering of direction subassembly (44) is led to, and the back is derived by the outlet terminal of direction subassembly (44), decide section and cut mainly drive subassembly (41) interval and act on cutting assembly (42), cutting assembly (42) interval acts on deriving the nose bridge line is decided the section and is cut, cutting reset subassembly (43) reset cutting assembly (42) after cutting.

9. The mask nose bridge line feeding device according to claim 8, wherein the fixed-section cutting main driving assembly (41) comprises a cutting main driving shaft (411), a power frame (412) arranged on the cutting main driving shaft (411), and a power piece (413) rotatably connected to the power frame (412); rotate cut owner drive shaft (411) and drive power piece (413) are rotatory, power piece (413) interval acts on cutting component (42).

10. The mask nose bridge line feeding device according to any one of claims 1 to 9, wherein the synchronous transmission mechanism (5) comprises a driving assembly and a first synchronous transmission assembly (51) and a second synchronous transmission assembly (52); the output end of the driving component is connected with the first synchronous transmission component (51) or the second synchronous transmission component (52), the first synchronous transmission component (51) is in meshing transmission with the second synchronous transmission component (52), and the first synchronous transmission component (51) and the second synchronous transmission component (52) are respectively connected with the fixed section conveying mechanism (3) and the fixed section cutting mechanism (4); the driving assembly drives the first synchronous transmission assembly (51) or the second synchronous transmission assembly (52), and the first synchronous transmission assembly (51) and the second synchronous transmission assembly (52) respectively drive the fixed section conveying mechanism (3) to convey and the fixed section cutting mechanism (4) to cut synchronously.

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