CN212495072U

CN212495072U - Mask nose bridge strip wire feeding device

Info

Publication number: CN212495072U
Application number: CN202020683116.0U
Authority: CN
Inventors: 陈毅强
Original assignee: Longhai Andrew Ma Fu Machinery Co Ltd
Current assignee: Longhai Andrew Ma Fu Machinery Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-09
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a gauze mask bridge of nose strip send traditional thread binding putting belongs to machinery, including the frame, send the line book, decide sword mechanism and cutting drop feed mechanism and install from the front to the back in proper order in the frame, send the line book with decide sword mechanism and be located gauze mask cloth one side, cutting drop feed mechanism is located gauze mask cloth opposite side. The utility model has the advantages that: the mode of feeding from the side face of the mask cloth is adopted, the cloth conveying space is not occupied, and the wire feeding efficiency and the precision are high.

Description

Mask nose bridge strip wire feeding device

Technical Field

The utility model relates to the field of machinary, particularly, relate to a gauze mask bridge of the nose strip send traditional thread binding putting.

Background

The line and weldment work that send of bridge of the nose strip can be related to the unavoidable meeting of N95 gauze mask in process of production, current N95 gauze mask bridge of the nose strip have weld in the gauze mask inboard, cloth sandwich in situ or three kinds of situations in the outside, when the welding was in the cloth sandwich, the line that send of bridge of the nose strip generally adopted and send the line with the same direction of gauze mask cloth direction of delivery, need form the horn mouth between two gauze masks cloth, just so have sufficient space to hold and send the line equipment.

The utility model discloses a utility model patent that bulletin number is CN208318346U discloses a full-automatic gauze mask machine nose line group mechanism, including decollator, push plate, wire feeding wheel, nose line cutter, press from both sides tight blade holder, the decollator front side is connected with the wire feeding wheel, and the wire feeding wheel comprises cam decollator, wire feeding friction pulley, wire feeding cam, driven gear, driving gear, wire feeding drive sprocket, extension spring, chain drive route, take-up pulley and main drive chain, and the side of wire feeding wheel is connected with the nose line cutter, and the below of nose line cutter is provided with presss from both sides tight blade holder, and the rear that presss from both sides tight blade holder is provided with push plate. The feeding is carried out from the direction of a cloth bell mouth, the equipment is complex, and the problems of low feeding position precision, low efficiency, easy sliding after feeding and the like exist.

SUMMERY OF THE UTILITY MODEL

To the bridge of the nose strip that exists among the prior art send traditional thread binding putting equipment complicated, have the pay-off position precision moreover low, inefficiency, the easy scheduling problem that appears sliding behind the pay-off, the utility model designs a novel bridge of the nose strip send traditional thread binding putting adopts the mode of following gauze mask cloth side feeding, does not occupy the cloth and carries the space, send traditional thread binding efficient, the precision height moreover, concrete scheme as follows:

the utility model provides a gauze mask bridge of the nose strip send traditional thread binding putting, includes the frame, send traditional thread binding book, stationary knife mechanism and cutting drop feed mechanism to install in proper order from the front to the back in the frame, send traditional thread binding book with stationary knife mechanism is located gauze mask cloth one side, cutting drop feed mechanism is located gauze mask cloth opposite side. The fixed cutter mechanism and the cutting and discharging mechanism are respectively positioned on two sides of the mask cloth, and the bridge of the nose with the specified length is directly placed on the surface of the mask cloth after the bridge of the nose is cut by pulling the bridge of the specified length from the fixed cutter mechanism through the cutting and discharging mechanism, so that the purpose of wire feeding is achieved.

Preferably, the cutting and discharging mechanism comprises a clamping mechanism for drawing the nose bridge strip out of the fixed cutter mechanism and a cutting mechanism for cutting off the nose bridge strip, the clamping mechanism comprises a clamp barrel for clamping the nose bridge strip, the cutting mechanism comprises a cutting sleeve, and the cutting sleeve is sleeved outside the clamp barrel.

The cutting sleeve and the clamp barrel are integrated in the same barrel-shaped structure, the traction and cutting functions are simultaneously realized in a small space, the occupied space is small, and the wire feeding precision is high.

Preferably, the cutting mechanism further comprises a servo motor, a driving gear, a transmission rod and a movable cutter, wherein the servo motor is fixedly arranged on the outer circumference of the cutting sleeve, the driving gear is fixedly arranged on a rotating shaft of the servo motor, the transmission gear is meshed with the driving gear, and is fixedly arranged at one end of the transmission rod and is coaxial with the transmission rod; the other end of the transmission rod is fixedly provided with the movable cutter.

The movable cutter is driven by the servo motor to rotate around the transmission rod to cut off the nose bridge strip.

Preferably, the movable cutter is in an upward-protruding arc shape, one end of the movable cutter is fixedly mounted on the transmission rod, and the distance between the two ends of the movable cutter is larger than or equal to the diameter of the cutting sleeve.

Preferably, a knife edge for cutting off the nose bridge strip is arranged on the lower edge of the arc-shaped profile of the movable cutter.

Preferably, a cavity for accommodating the transmission rod and the transmission gear is formed in the upper side wall of the cutting sleeve, and at least one transmission bearing for supporting the transmission rod is formed in the accommodating cavity.

Preferably, one end of the cutting sleeve, which is close to the fixed cutter mechanism, is provided with a positioning ring for positioning by contacting with the surface of the fixed cutter mechanism. One end of the cutting sleeve is provided with the positioning ring, so that the cutting sleeve and the fixed cutter mechanism can be relatively fixed and then start to pull and cut off, and the cutting precision of the cutting and discharging mechanism is improved.

Preferably, the outer diameter of the retaining ring is greater than the outer diameter of the cutting sleeve.

Preferably, the cutting and emptying mechanism further comprises a horizontal transmission assembly used for enabling the cutting sleeve to move back and forth along the axis direction of the cutting sleeve.

Preferably, the horizontal transmission subassembly includes horizontal transmission motor, transmission lead screw and transmission sliding tray, horizontal transmission motor fixed mounting be in the frame, the transmission lead screw sets up on the horizontal transmission motor rotation axis and with horizontal transmission motor rotation axis is coaxial, the transmission sliding tray cover is established on the transmission lead screw, and overlap and establish the portion be formed with transmission lead screw external screw thread assorted internal thread, cut off the sleeve and keep away from stationary knife mechanism one end fixed mounting be in on the transmission sliding tray.

Preferably, the plane of the disc body of the transmission sliding disc is perpendicular to the axial direction of the transmission screw rod.

Preferably, a screw rod sleeve is formed on the transmission sliding disc at a position corresponding to the transmission screw rod, and an internal thread matched with the external thread of the transmission screw rod is formed on the inner wall of the screw rod sleeve.

Preferably, the cutting and discharging mechanism further comprises a transmission box body fixedly mounted on the rack, the horizontal transmission assembly is located in the transmission box body, more than two transmission slide rails parallel to the axis of the transmission screw rod are formed on the transmission box body, and a sliding block matched with the transmission slide rails is formed at the position, corresponding to the transmission slide rails, on the outer circumference of the transmission slide disc.

Preferably, the clamping mechanism comprises a first air cylinder for controlling the clamp cylinder to move relative to the cutting sleeve along the axial direction of the cutting sleeve, the first air cylinder is fixedly installed on the transmission slide plate, and the clamp cylinder is fixedly installed on the telescopic rod of the first air cylinder.

Preferably, more than 3 clamps for clamping and releasing the nose bridge strip are uniformly arranged on the clamp barrel, and a pressing part bent towards the central axis direction of the clamp barrel is formed at one end of each clamp close to the fixed cutter mechanism.

Preferably, a clamp rotating rod capable of rotating along the axial direction of the clamp is formed on the clamp barrel at a position corresponding to the clamp, and the clamp is fixedly mounted on the clamp rotating rod.

Preferably, a clamp control assembly for controlling the clamp to clamp or loosen the nose bridge strip is fixedly mounted on the first cylinder telescopic rod.

Preferably, the clamp control assembly comprises a second cylinder, a steel wire rod and a steel wire rod supporting plate, the second cylinder is fixedly installed on the telescopic rod of the first cylinder, the steel wire rod supporting plate is fixedly installed on the movable end of the second cylinder, one end of the steel wire rod is fixedly installed on the steel wire rod supporting plate, and the other end of the steel wire rod is installed at the end part, far away from the pressing part, of the clamp.

Preferably, a clamp cylinder connecting plate is arranged at the joint of the clamp cylinder and the first cylinder telescopic rod, and a connecting rod through hole for the steel screw rod to pass through is formed in the clamp cylinder connecting plate.

Preferably, a strip-shaped opening for enabling the nose bridge strip to fall to the corresponding position of the mask cloth is formed at the bottom of the cutting sleeve.

Preferably, the longitudinal direction of the strip-shaped opening is parallel to the axial direction of the cutting sleeve.

Preferably, the fixed cutter mechanism comprises a fixed cutter seat, a fixed cutter arranged on the fixed cutter seat and a fixed cutter rope guide pipe arranged inside the fixed cutter, and the fixed cutter seat is fixedly arranged on the rack.

Preferably, the fixed cutter comprises a fixed cutter rest and a cylindrical fixed cutter alloy cutter head positioned in the fixed cutter rest, and an annular groove matched with the positioning ring is formed in one end, close to the cutting and discharging mechanism, of the cylindrical fixed cutter alloy cutter head. The annular groove is arranged to be matched with the positioning ring, so that the feeding accuracy of the fixed cutter mechanism is improved, and the position of the nose bridge clamping strip clamped by the clamp is prevented from being mistaken.

Preferably, the annular groove bottom pad is provided with an annular pad. The annular pad is arranged, so that the buffer effect can be achieved in the contact process of the positioning ring and the annular groove.

Preferably, a length metering assembly for detecting the passing length of the nose line in the fixed cutter guide rope pipe is mounted on the outer surface of the fixed cutter guide rope pipe. The length measurement subassembly can form the calibration with the tensile motion of first cylinder, prevents that the clamp from pulling empty or the slip production in tensile process, has played the effect of warning and calibration, has improved the precision of cutting off the bridge of the nose strip.

In the implementation operation process, the horizontal transmission motor controls the cutting sleeve to move towards the fixed cutter mechanism, the cutting sleeve stops when a cutting sleeve positioning ring reaches the annular groove of the fixed cutter mechanism, meanwhile, the first cylinder controls the clamp to move towards the annular groove of the fixed cutter mechanism, when the clamp reaches the position of the annular groove of the fixed cutter mechanism, the second cylinder controls the clamp to clamp the nose bridge strip, the first cylinder controls the clamp to move towards the direction away from the annular groove of the fixed cutter mechanism, when the specified position is reached, the servo motor controls the movable cutter to cut off the nose bridge strip, meanwhile, the horizontal transmission motor controls the cutting sleeve to reach the specified position above the cloth of the mask, the second cylinder controls the clamp to loosen the nose bridge strip, the nose bridge strip falls down from the strip-.

Preferably, the stationary knife seat is the type of falling T, and its bottom both ends are installed the frame top, open in the middle of the stationary knife seat has square mouth, the stationary knife is installed inside the square mouth.

Preferably, the fixed cutter tool rest comprises a main body section and a cutter head control section, the main body section is cylindrical, the outer side of the cylinder is fixed to the inner side of the square opening, the cutter head control section is similar to a hemisphere, and the fixed cutter alloy cutter head is arranged inside the cutter head control section.

Preferably, runway-shaped elongated slots are formed in two ends of the bottom of the fixed cutter seat, and fixed cutter seat fixing bolts are connected with the upper portion of the rack through the runway-shaped elongated slots.

Preferably, the contact position of the bottom of the fixed cutter seat and the rack is provided with an anti-seismic gasket.

Preferably, an infrared generator for emitting infrared rays is mounted on the outer surface of the fixed cutter guide rope pipe.

Preferably, a calibrating mechanism for accurately calibrating the nose bridge strip and the inlet of the fixed cutter mechanism is further arranged between the roll feeding mechanism and the fixed cutter mechanism.

Preferably, an infrared sensing plate for receiving infrared rays emitted by the infrared generator is mounted on one side, close to the fixed cutter mechanism, of the calibrating mechanism.

Preferably, the proofreading mechanism includes vertical proofreading subassembly, vertical proofreading subassembly includes vertical proofreading cylinder, the lower proof wheel of last proof wheel and is used for installing last proof wheel, lower proof wheel the proof wheel mounting bracket on the telescopic link of vertical proofreading cylinder, vertical proofreading cylinder fixed mounting be in the frame.

Preferably, a horizontal calibration component for performing horizontal calibration is formed on one side of the calibration wheel mounting frame, which is close to the infrared sensing plate.

Preferably, the horizontal proofreading assembly comprises a horizontal proofreading cylinder and a horizontal proofreading pipe body, the horizontal proofreading cylinder is fixedly installed on the proofreading wheel mounting frame, the horizontal proofreading pipe body is installed on a telescopic rod of the horizontal proofreading cylinder, and the infrared sensing plate is fixedly installed on one end, close to one end of the fixed cutter mechanism, of the horizontal proofreading pipe body.

Preferably, the correction wheel mounting bracket is close to infrared ray tablet one side is installed with the level and is proofreaded the slide rail, install on the level proofreaded the body with the level is proofreaded slide rail assorted level and is proofreaded the slider. One end of the horizontal correction pipe body, which is close to the correction wheel mounting frame, is provided with a smooth chamfer, so that the nose bridge strip is prevented from being worn by contacting with the corner of the end part of the horizontal correction pipe body.

Preferably, a mounting frame through hole for a nose bridge strip to pass through is formed in the correcting wheel mounting frame, and the horizontal correcting slide rail is located above the mounting frame through hole. Smooth chamfers are formed at two ends of the through hole of the mounting frame, so that the nose bridge strip is prevented from being worn due to contact with corners of the through hole of the mounting frame.

Preferably, a guide wheel for guiding is further arranged between the wire feeding coil and the correcting mechanism.

Has the advantages that:

adopt the utility model discloses technical scheme produces beneficial effect as follows:

(1) the fixed cutter mechanism and the cutting and discharging mechanism are respectively positioned on two sides of the mask cloth, and the bridge of the nose with the specified length is directly placed on the surface of the mask cloth after the bridge of the nose is cut by pulling the bridge of the specified length from the fixed cutter mechanism through the cutting and discharging mechanism, so that the purpose of wire feeding is achieved.

(2) The cutting sleeve and the clamp barrel are integrated in the same barrel-shaped structure, the traction and cutting functions are simultaneously realized in a small space, the occupied space is small, and the wire feeding precision is high.

(3) One end of the cutting sleeve is provided with the positioning ring, so that the cutting sleeve and the fixed cutter mechanism can be relatively fixed and then start to pull and cut off, and the cutting precision of the cutting and discharging mechanism is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a preferred wire feeding device of the present invention;

FIG. 2 is a schematic view of a preferred cutting and discharging mechanism of the present invention;

FIG. 3 is a schematic view of a preferred cutting mechanism of the present invention;

FIG. 4 is a schematic view of a preferred structure of the movable cutter of the present invention;

FIG. 5 is a schematic view of a preferred clamp cylinder of the present invention;

FIG. 6 is a perspective view of the preferred stationary knife mechanism of the present invention;

FIG. 7 is an internal structure view of the preferred stationary knife structure of the present invention;

FIG. 8 is a schematic view of a preferred calibration mechanism of the present invention;

FIG. 9 is a schematic diagram of a preferred horizontal alignment assembly of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the mask nose bridge strip wire feeding device comprises a frame 1, a wire feeding coil 2, a fixed cutter mechanism 3 and a cutting and discharging mechanism 4, wherein the wire feeding coil 2, the fixed cutter mechanism 3 and the cutting and discharging mechanism 4 are sequentially installed on the frame 1 from front to back, the wire feeding coil 2 and the fixed cutter mechanism 3 are located on one side of mask cloth, and the cutting and discharging mechanism 4 is located on the other side of the mask cloth. The fixed cutter mechanism and the cutting and discharging mechanism are respectively positioned on two sides of the mask cloth, and the bridge of the nose with the specified length is directly placed on the surface of the mask cloth after the bridge of the nose is cut by pulling the bridge of the specified length from the fixed cutter mechanism through the cutting and discharging mechanism, so that the purpose of wire feeding is achieved.

Referring to fig. 2-5, the cutting and discharging mechanism 4 comprises a clamping mechanism 41 for drawing the nose bridge strip 10 out of the fixed cutter mechanism 3 and a cutting mechanism 42 for cutting off the nose bridge strip, the clamping mechanism 41 comprises a clamping cylinder 411 for clamping the nose bridge strip, the cutting mechanism 42 comprises a cutting sleeve 421, and the cutting sleeve 421 is sleeved outside the clamping cylinder 411. The cutting sleeve and the clamp barrel are integrated in the same barrel-shaped structure, the traction and cutting functions are simultaneously realized in a small space, the occupied space is small, and the wire feeding precision is high.

Referring to fig. 3, the cutting mechanism 42 further includes a servo motor 422, a driving gear 423, a transmission gear 424, a transmission rod 425 and a movable cutter 426, the servo motor 422 is fixedly installed on the outer circumference of the cutting sleeve 421, the driving gear 423 is fixedly installed on the rotating shaft of the servo motor 422, the transmission gear 424 is engaged with the driving gear 423 and is fixedly installed at one end of the transmission rod 425 to be coaxial with the transmission rod 425; the other end of the driving rod 425 is fixedly provided with the movable cutter 426. The movable cutter 426 rotates around the transmission rod under the driving of the servo motor to cut off the nose bridge strip.

Referring to fig. 4, the movable cutter 426 is in the shape of an upwardly convex arc, and one end thereof is fixedly mounted on the driving rod 425, and the distance between the two ends is greater than or equal to the diameter of the cutting sleeve 421.

The lower edge of the arc-shaped profile of the movable cutter 426 is provided with a knife edge (not shown in the figure) for cutting off the nose bridge strip.

A receiving cavity 427 for receiving the driving rod 425 and the driving gear 424 is formed in an upper side wall of the cutting sleeve 421, and at least one driving bearing 428 for supporting the driving rod is formed in the receiving cavity 427.

A positioning ring 429 for positioning in contact with the surface of the fixed cutter mechanism 3 is formed at one end of the cutting sleeve 421 close to the fixed cutter mechanism 3. One end of the cutting sleeve is provided with the positioning ring, so that the cutting sleeve and the fixed cutter mechanism can be relatively fixed and then start to pull and cut off, and the cutting precision of the cutting and discharging mechanism is improved.

The outer diameter of the retaining ring 429 is greater than the outer diameter of the cutting sleeve 421.

The cutting and discharging mechanism 4 also comprises a horizontal transmission assembly 43 which is used for enabling the cutting sleeve 421 to move back and forth along the axial direction of the cutting sleeve.

Referring to fig. 2, the horizontal transmission assembly 43 includes a horizontal transmission motor 431, a transmission screw rod 432 and a transmission sliding disc 433, the horizontal transmission motor 431 is fixedly installed on the frame 1, the transmission screw rod 32 is arranged on a rotation shaft of the horizontal transmission motor 431 and is coaxial with the rotation shaft of the horizontal transmission motor 431, the transmission sliding disc 433 is sleeved on the transmission screw rod 432, an internal thread matched with the external thread of the transmission screw rod 432 is formed in the transmission sliding disc, and one end of the cutting sleeve 42, which is far away from the stationary knife mechanism 3, is fixedly installed on the transmission sliding disc 433.

The plane of the disc body of the transmission sliding disc 433 is vertical to the axial direction of the transmission screw rod 432.

A screw rod sleeve 434 is formed on the transmission sliding disc 433 at a position corresponding to the transmission screw rod 432, and an internal thread matched with the external thread of the transmission screw rod 4 is formed on the inner wall of the screw rod sleeve 434.

The cutting and discharging mechanism 4 further comprises a transmission case 44, the transmission case 44 is fixedly mounted on the rack 1, the horizontal transmission assembly 43 is located in the transmission case 44, more than two transmission slide rails 441 parallel to the axis of the transmission screw rod 4 are formed on the transmission case 44, and a sliding block 435 matched with the transmission slide rails 441 is formed on the outer circumference of the transmission slide disc 433 and at a position corresponding to the transmission slide rails 441.

Referring to fig. 5, the clamping mechanism 41 includes a first cylinder 412 for controlling the movement of the clamp cylinder 411 relative to the cutting sleeve 421 along the axial direction of the cutting sleeve 421, the first cylinder 412 is fixedly mounted on the transmission slide plate 433, and the clamp cylinder 411 is fixedly mounted on the telescopic rod of the first cylinder 412.

3 or more clamps 413 for clamping and releasing the nose bridge strip are uniformly mounted on the clamp cylinder 411, and a pressing part 414 bent toward the central axis direction of the clamp cylinder 411 is formed at one end of each clamp 413 close to the stationary knife mechanism 3.

A clamp rotating rod 415 which can rotate along the axial direction of the clamp 413 is formed on the clamp barrel 411 at a position corresponding to the clamp 413, and the clamp 413 is fixedly installed on the clamp rotating rod 415.

A clamp control assembly 45 for controlling the clamp 413 to clamp or loosen the nose bridge strip is fixedly arranged on the telescopic rod of the first air cylinder 412.

The clamp control assembly 45 comprises a second cylinder 451, a wire rod 452 and a wire rod support plate 453, wherein the second cylinder 451 is fixedly installed on the telescopic rod of the first cylinder 412, the wire rod support plate 453 is fixedly installed on the movable end of the second cylinder 451, one end of the wire rod 452 is fixedly installed on the wire rod support plate 453, and the other end of the wire rod 452 is installed at the end of the clamp 413 far away from the pressing part 414.

The joint of the clamp cylinder 411 and the telescopic rod of the first cylinder 412 is provided with a clamp cylinder connecting plate 416, and a connecting rod through hole 417 for the steel screw rod 452 to pass through is formed on the clamp cylinder connecting plate 416.

The bottom of the cutting sleeve 421 is formed with a strip-shaped opening (not shown) for the nose bridge strip to fall to the corresponding position of the mask cloth. The length direction of the strip-shaped opening is parallel to the axial direction of the cutting sleeve.

Referring to fig. 6 and 7, the fixed blade mechanism 3 includes a fixed blade seat 31, a fixed blade 32 mounted on the fixed blade seat 31, and a fixed blade rope guiding tube 33 disposed inside the fixed blade 32, and the fixed blade seat 31 is fixedly mounted on the frame 1.

The fixed knife 32 comprises a fixed knife holder 321 and a cylindrical fixed knife alloy knife head 322 positioned in the fixed knife holder 321, and an annular groove 323 matched with the positioning ring 429 is formed at one end, close to the cutting and discharging mechanism 4, of the cylindrical fixed knife alloy knife head 322. The annular groove is arranged to be matched with the positioning ring, so that the feeding accuracy of the fixed cutter mechanism is improved, and the position of the nose bridge clamping strip clamped by the clamp is prevented from being mistaken.

The bottom of the annular groove 323 is padded with an annular pad 324. The annular pad is arranged, so that the buffer effect can be achieved in the contact process of the positioning ring and the annular groove.

The length measuring component 331 for detecting the passing length of the nose line in the fixed cutter rope guide pipe 33 is installed on the outer surface of the fixed cutter rope guide pipe 33. The length measurement subassembly can form the calibration with the tensile motion of first cylinder, prevents that the clamp from pulling empty or the slip production in tensile process, has played the effect of warning and calibration, has improved the precision of cutting off the bridge of the nose strip.

Decide blade holder 31 and be the style of calligraphy of falling T, install at its bottom both ends frame 1 top, decide blade holder 31 positive centre and open there is square mouth 311, decide sword 32 and install inside square mouth 311.

The fixed cutter holder 321 comprises a main body section 325 and a cutter head control section 326, wherein the main body section 325 is cylindrical, the outer side of the cylinder is fixed on the inner side of the square opening 311, the cutter head control section 326 is similar to a hemisphere, and the cylindrical fixed cutter alloy cutter head 322 is arranged in the cutter head control section 326.

The two ends of the bottom of the fixed cutter seat 31 are provided with runway-shaped elongated slots 312, and fixed cutter seat fixing bolts 313 are connected with the upper part of the rack 1 through the runway-shaped elongated slots 312. An anti-seismic gasket 314 is arranged at the contact position of the bottom of the fixed cutter seat 31 and the rack 1.

A correcting mechanism 5 for accurately correcting the nose bridge strip and the inlet of the fixed cutter mechanism 3 is also arranged between the coil feeding mechanism 2 and the fixed cutter mechanism 3. An infrared generator 332 for emitting infrared rays to the calibration mechanism 5 is mounted on the outer surface of the stationary cutter rope guide 33.

Referring to fig. 8 and 9, an infrared sensing plate 51 for receiving infrared rays emitted from the infrared generator 332 is mounted on the calibration mechanism 5 near the fixed cutter mechanism 3.

The proofreading mechanism 5 comprises a vertical proofreading assembly 52, the vertical proofreading assembly 52 comprises a vertical proofreading cylinder 521, an upper proofreading wheel 522, a lower proofreading wheel 523 and a proofreading wheel mounting frame 524, the proofreading wheel mounting frame is used for mounting the upper proofreading wheel 522 and the lower proofreading wheel 523 on an expansion rod of the vertical proofreading cylinder 521, and the vertical proofreading cylinder 521 is fixedly mounted on the rack 1.

The pair of wheel mounting frames 524 is formed with a horizontal aligning member 53 for performing horizontal alignment on a side thereof adjacent to the infrared sensing panel 51.

Horizontal proofreading subassembly 53 includes horizontal proofreading cylinder 531 and horizontal proofreading body 532, horizontal proofreading cylinder 531 fixed mounting be in on the proofreading wheel mounting bracket 524, horizontal proofreading body 532 is installed on the telescopic link of horizontal proofreading cylinder 531, infrared ray tablet 51 fixed mounting be in horizontal proofreading body 532 is close to stationary knife mechanism 3 one end.

The horizontal calibration slide rail 54 is installed on one side, close to the infrared sensing plate 51, of the calibration wheel mounting frame 524, and the horizontal calibration slide block 55 matched with the horizontal calibration slide rail 54 is installed on the horizontal calibration pipe body 532. One end of the horizontal correction pipe body, which is close to the correction wheel mounting frame, is provided with a smooth chamfer, so that the nose bridge strip is prevented from being worn by contacting with the corner of the end part of the horizontal correction pipe body.

The horizontal aligning slide rail 54 is located above the mounting frame through hole 525, through which the nose bridge bar passes, is formed on the aligning wheel mounting 524. Smooth chamfers are formed at two ends of the through hole of the mounting frame, so that the nose bridge strip is prevented from being worn due to contact with corners of the through hole of the mounting frame. A guide wheel 6 for guiding is arranged between the wire feeding coil 2 and the correcting mechanism 5.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gauze mask bridge of the nose strip send traditional thread binding putting, its characterized in that, includes the frame, send traditional thread binding book, stationary knife mechanism and cutting drop feed mechanism to install in proper order from the front to the back in the frame, send traditional thread binding book with stationary knife mechanism is located gauze mask cloth one side, cutting drop feed mechanism is located gauze mask cloth opposite side.

2. The mask nose bridge strip wire feeding device according to claim 1, wherein the cutting and discharging mechanism comprises a clamping mechanism for drawing the nose bridge strip out of the fixed cutter mechanism and a cutting mechanism for cutting off the nose bridge strip, the clamping mechanism comprises a clamp barrel for clamping the nose bridge strip, and the cutting mechanism comprises a cutting sleeve which is sleeved outside the clamp barrel.

3. The mask nose bridge strip wire feeding device according to claim 2, wherein the cutting mechanism further comprises a servo motor, a driving gear, a transmission rod and a movable cutter, the servo motor is fixedly installed on the outer circumference of the cutting sleeve, the driving gear is fixedly installed on a rotating shaft of the servo motor, the transmission gear is meshed with the driving gear and is fixedly installed at one end of the transmission rod and coaxial with the transmission rod; the other end of the transmission rod is fixedly provided with the movable cutter.

4. The device of claim 3, wherein the movable cutter is in the shape of an upwardly convex arc, one end of the movable cutter is fixedly mounted on the transmission rod, and the distance between the two ends is greater than or equal to the diameter of the cutting sleeve.

5. The mask nose bridge strip wire feeding device according to claim 4, wherein the lower edge of the arc-shaped profile of the movable cutter is provided with a knife edge for cutting off the nose bridge strip.

6. The mask bridge of nose strip routing device of claim 5, wherein said cutout sleeve has a cavity in an upper sidewall thereof for receiving said drive rod and said drive gear, said cavity having at least one drive bearing formed therein for supporting said drive rod.

7. The device according to claim 6, wherein a positioning ring for positioning by contacting with the surface of the fixed cutter mechanism is formed at one end of the cutting sleeve close to the fixed cutter mechanism.

8. The nasal bridge strip feed of claim 7, wherein the outer diameter of the positioning ring is greater than the outer diameter of the cutting sleeve.

9. The device of claim 8, wherein the cutting and feeding mechanism further comprises a horizontal transmission assembly for moving the cutting sleeve back and forth along the axis of the cutting sleeve.

10. The mask nose bridge strip wire feeding device according to claim 9, wherein the horizontal transmission assembly comprises a horizontal transmission motor, a transmission screw rod and a transmission sliding disc, the horizontal transmission motor is fixedly mounted on the frame, the transmission screw rod is arranged on a rotation shaft of the horizontal transmission motor and is coaxial with the rotation shaft of the horizontal transmission motor, the transmission sliding disc is sleeved on the transmission screw rod, an internal thread matched with the external thread of the transmission screw rod is formed in the transmission sliding disc, and one end of the cutting sleeve, which is far away from the fixed cutter mechanism, is fixedly mounted on the transmission sliding disc.