阅读说明：本技术 一种鼻梁条自动上料装置 (Nose bridge strip automatic feeding device ) 是由 宋光辉 王玉亮 赵长喜 赵宁 姜腾飞 于 2021-04-13 设计创作，主要内容包括：本发明属于口罩生产设备技术领域,提供了一种鼻梁条自动上料装置,包括安装架体,安装架体上设有鼻梁线料轴,安装架体上还并排安装有第一安装座和第二安装座；第一安装座上安装有输送轮墙板,输送轮墙板上设有鼻梁线捋直机构以及鼻梁线输送机构,输送轮墙板和第二安装座上配合安装有鼻梁线导向裁切机构；第二安装座上设有鼻梁条导料机构,第二安装座上还设有鼻梁条拨料机构,鼻梁条拨料机构位于鼻梁条导料机构上方,且与鼻梁条导料机构对应设置。本发明能够实现鼻梁线放料、捋直、牵引输送、定长裁切以及对裁切下鼻梁条的有序拨料输送,从而实现了KN95口罩加工时鼻梁条高效、有序的上料需求,能够满足鼻梁条于口罩料带层间均匀竖向排列的上料需求。(The invention belongs to the technical field of mask production equipment, and provides an automatic nose bridge strip feeding device which comprises a mounting frame body, wherein a nose bridge line feeding shaft is arranged on the mounting frame body, and a first mounting seat and a second mounting seat are arranged on the mounting frame body side by side; a conveying wheel wall plate is mounted on the first mounting seat, a nose bridge line straightening mechanism and a nose bridge line conveying mechanism are arranged on the conveying wheel wall plate, and a nose bridge line guiding cutting mechanism is mounted on the conveying wheel wall plate and the second mounting seat in a matched mode; be equipped with bridge of the nose strip guide mechanism on the second mount pad, still be equipped with bridge of the nose strip on the second mount pad and dial material mechanism, bridge of the nose strip dials material mechanism and is located bridge of the nose strip guide mechanism top, and corresponds the setting with bridge of the nose strip guide mechanism. The nose bridge wire feeding device can realize the feeding, straightening, traction conveying, fixed-length cutting and ordered material stirring conveying of the nose bridge strips cut by cutting, thereby realizing the efficient and ordered feeding requirement of the nose bridge strips during the machining of the KN95 mask, and meeting the feeding requirement of the nose bridge strips in uniform vertical arrangement between mask material belt layers.)

1. The utility model provides a bridge of the nose strip automatic feeding device which characterized in that: the nose bridge material feeding device comprises a mounting frame body, wherein a nose bridge line material shaft is arranged on the mounting frame body, and a first mounting seat and a second mounting seat are sequentially arranged on the mounting frame body side by side at the downstream of the nose bridge line material shaft;

the nose bridge line guiding and cutting mechanism is arranged on the second mounting seat and is positioned at the downstream of the nose bridge line conveying mechanism, and the nose bridge line guiding and cutting mechanism are driven by a first driving device;

the nose bridge strip guiding mechanism is arranged on the second mounting seat, a feed inlet of the nose bridge strip guiding mechanism corresponds to the nose bridge line guiding and cutting mechanism, a nose bridge strip poking mechanism is further arranged on the second mounting seat, and the nose bridge strip poking mechanism is located above the nose bridge strip guiding mechanism and corresponds to the nose bridge strip guiding mechanism in a matched mode.

2. The automatic nose bridge strip feeding device according to claim 1, wherein: nose roof beam line is smoothed out with fingers straight mechanism including rotate install in the delivery wheel of rectifying on the delivery wheel wallboard, it is equipped with a plurality of lower delivery wheels to rectify between the delivery wheel, and is a plurality of the even rotation of lower delivery wheel install in on the delivery wheel wallboard, and adjacent two be equipped with the delivery wheel down between the delivery wheel, go up the delivery wheel rotate through first adjustment mechanism install in delivery wheel top down.

3. The automatic nose bridge strip feeding device according to claim 2, wherein: the nose bridge line conveying mechanism comprises a lower traction conveying wheel and an upper traction pressing wheel, the lower traction conveying wheel is rotatably installed on the conveying wheel wallboard, the upper traction pressing wheel is rotatably installed right above the lower traction conveying wheel through a second adjusting mechanism, and a material conveying gap for the nose bridge line to pass through is formed between the lower traction conveying wheel and the upper traction pressing wheel.

4. The automatic nose bridge strip feeding device according to claim 3, wherein: the nose bridge line guiding and cutting mechanism comprises a material supporting bottom plate, a cutting chopping board and a cutting wheel, the material supporting bottom plate is fixedly arranged at one end, close to the second mounting seat, of the conveying wheel wallboard, a material supporting groove is formed in the material supporting bottom plate, the cutting chopping board is buckled and fixedly arranged on the material supporting bottom plate, a material conveying channel for realizing the guiding conveying of the nose bridge line is formed between the material supporting bottom plate and the material conveying channel, and the material conveying channel corresponds to the material conveying gap;

the cutting wheel rotates install in on the second mount pad, just fixed mounting has the sword of cutting on the cutting wheel, the sword that cuts of cutting the sword is located cutting wheel global, and rotate to the orientation paste when deciding the chopping block and lean on it sets up to decide the chopping block.

5. The automatic nose bridge strip feeding device according to claim 4, wherein: the first driving device comprises a first driving motor fixedly installed on the installation frame body, a first driving belt wheel is installed on an output shaft of the first driving motor, the lower traction conveying wheel is connected with a first driven belt wheel through a wheel shaft, the cutting wheel is connected with a second driven belt wheel through a wheel shaft, a first tensioning belt wheel is further installed on the second installation seat through a tensioning adjusting plate, and the first driving belt wheel, the first driven belt wheel, the second driven belt wheel and the first tensioning belt wheel are connected through a first transmission belt in a transmission mode.

6. The automatic nose bridge strip feeding device according to any one of claims 1 to 5, wherein: the nose bridge piece guide mechanism comprises a bottom supporting plate fixedly mounted on the second mounting seat, an upper cover plate is fixedly mounted on the bottom supporting plate, and a material shifting channel matched with the nose bridge piece is formed between the upper cover plate and the bottom supporting plate.

7. The automatic nose bridge strip feeding device according to claim 6, wherein: the nose bridge strip material shifting mechanism comprises a material shifting mounting frame fixedly mounted on the second mounting seat, an accessory synchronous belt driven by a second driving device is arranged on the material shifting mounting frame, the part, close to the upper cover plate, of the accessory synchronous belt is parallel to the material shifting channel, a plurality of nose bridge strip shifting claws are evenly arranged on the accessory synchronous belt, and the end parts of the nose bridge strip shifting claws extend into the material shifting channel when the nose bridge strip shifting claws are located between the accessory synchronous belt and the upper cover plate.

8. The automatic nose bridge strip feeding device according to claim 7, wherein: the upper cover plate is provided with a U-shaped strip hole, and the end part of the nose bridge strip pusher dog penetrates through the upper cover plate through the U-shaped strip hole and extends into the material shifting channel;

one side of the bottom supporting plate facing the upper cover plate is provided with a strip-shaped avoidance groove which is arranged corresponding to the U-shaped strip hole;

limiting plates are fixedly mounted on two sides of the bottom supporting plate, and the distance between the two limiting plates is matched with the width of the nose bridge strip.

9. The automatic nose bridge strip feeding device according to claim 8, wherein: a first synchronous belt wheel and a second synchronous belt wheel are respectively rotatably mounted at two ends of the bottom of the material shifting mounting frame, a second tensioning belt wheel is further mounted on the material shifting mounting frame and located between the first synchronous belt wheel and the second synchronous belt wheel, and the accessory synchronous belt is wound among the first synchronous belt wheel, the second tensioning belt wheel and the second synchronous belt wheel and is respectively meshed with the first synchronous belt wheel, the second tensioning belt wheel and the second synchronous belt wheel;

the second driving device comprises a second driving motor, a second driving belt wheel, a third driven belt wheel and a second driving belt, the second driving motor is fixedly installed on the material stirring mounting frame through a motor mounting plate, the second driving belt wheel is installed on an output shaft of the second driving motor, the third driven belt wheel is installed at one end of a rotating shaft of the first synchronous belt wheel, the second driving belt is wound on the second driving belt wheel and between the third driven belt wheels, and the second driving belt wheel and the third driven belt wheel are in transmission connection through the second driving belt.

10. The automatic nose bridge strip feeding device according to claim 9, wherein: the material pressing spring piece is fixedly installed at the discharge end of the upper cover plate, the material pressing portion of the material pressing spring piece extends out of the upper cover plate, and the bottom surface of the material pressing spring piece and the bottom surface of the upper cover plate are located on the same horizontal plane.

Technical Field

The invention relates to the technical field of mask production equipment, in particular to an automatic nose bridge strip feeding device.

Background

The nose bridge strip is a thin adhesive tape inside the mask and plays a role in fixing the mask on the nose bridge. The contour machining of gauze mask body is usually in the transportation process of multilayer gauze mask material area (melt-blown cloth material area, non-woven fabrics material area etc.), and the bridge of the nose strip of suitable length is carried to gauze mask between the material belt layer in step, and the bridge of the nose strip presss from both sides between gauze mask material belt layer to carry to the welding process along with the gauze mask material area and carry out the weld forming of gauze mask body, with bridge of the nose strip welding in gauze mask material belt in situ, the shaping speed of the direct influence gauze mask body of material loading efficiency of bridge of the nose strip.

At present, still there is not a set of nose bridge strip loading attachment that is used for KN95 gauze mask body shaping man-hour specially, chinese invention patent with patent number 202010471245.8, a nose bridge line feed mechanism is disclosed, although it can satisfy the nose bridge strip loading demand during KN95 gauze mask shaping man-hour, but when the material loading, the nose bridge strip is the centre gripping in one side on gauze mask material band layer, along the length direction horizontal arrangement on material band layer, can directly realize the production of making a film after the gauze mask initial weld forming, but be not convenient for carry on subsequent fifty percent discount and the processing of weld forming to KN95 gauze mask body once more, make the machining efficiency greatly reduced of KN95 gauze mask. Therefore, the development of the automatic nose bridge strip feeding device has urgent research value, and also has good economic benefit and industrial application potential, which is the basis and the impetus for the invention to complete.

Disclosure of Invention

The present inventors have conducted intensive studies to overcome the above-identified drawbacks of the prior art, and as a result, have completed the present invention after having made a great deal of creative efforts.

Specifically, aiming at the technical problem, the invention provides an automatic nose bridge strip feeding device, which is used for realizing the traction conveying, the fixed-length cutting and the guiding and the ordered material shifting of a cut nose bridge strip of a nose bridge line during the forming and processing of a mask body and meeting the feeding requirement of the nose bridge strip in uniform and vertical arrangement between material belt layers.

The technical scheme provided by the invention is as follows:

an automatic nose bridge strip feeding device comprises a mounting frame body, wherein a nose bridge line feeding shaft is arranged on the mounting frame body, and a first mounting seat and a second mounting seat are sequentially arranged on the mounting frame body side by side at the downstream of the nose bridge line feeding shaft;

the nose bridge line guiding and cutting mechanism is arranged on the second mounting seat and is positioned at the downstream of the nose bridge line conveying mechanism, and the nose bridge line guiding and cutting mechanism are driven by a first driving device;

the nose bridge strip guiding mechanism is arranged on the second mounting seat, a feed inlet of the nose bridge strip guiding mechanism corresponds to the nose bridge line guiding and cutting mechanism, a nose bridge strip poking mechanism is further arranged on the second mounting seat, and the nose bridge strip poking mechanism is located above the nose bridge strip guiding mechanism and corresponds to the nose bridge strip guiding mechanism in a matched mode.

As an improved technical scheme, a material shaft mounting plate is fixedly mounted on the mounting frame body, and the nose bridge line material shaft is rotatably mounted on the material shaft mounting plate.

As an improved technical scheme, the nose bridge line straightening mechanism comprises a deviation-rectifying conveying wheel rotatably installed on a conveying wheel wallboard, a plurality of lower conveying wheels are arranged between the deviation-rectifying conveying wheels, the lower conveying wheels are uniformly rotatably installed on the conveying wheel wallboard, an upper conveying wheel is arranged between every two adjacent lower conveying wheels, and the upper conveying wheel is rotatably installed above the lower conveying wheels through a first adjusting mechanism.

As an improved technical scheme, the first adjusting mechanism comprises a conveying wheel mounting block, a first compression spring, a first pressing plate and a first adjusting hand wheel, the conveying wheel mounting block is slidably mounted on the conveying wheel wallboard along the vertical direction, the upper conveying wheel is rotatably mounted on the conveying wheel mounting block, the first compression spring is located at the bottom of the conveying wheel mounting block and between the conveying wheel wallboards, the first pressing plate is fixedly mounted at the top of the conveying wheel wallboard, the first adjusting hand wheel is in threaded fit with the first pressing plate, and the threaded end of the first adjusting hand wheel is abutted against the conveying wheel mounting block.

As an improved technical scheme, the nose bridge line conveying mechanism comprises a lower traction conveying wheel and an upper traction pressing wheel, the lower traction conveying wheel is rotatably mounted on the conveying wheel wallboard, the upper traction pressing wheel is rotatably mounted right above the lower traction conveying wheel through a second adjusting mechanism, and a material conveying gap for the nose bridge line to pass through is formed between the upper traction pressing wheel and the lower traction conveying wheel.

As an improved technical scheme, the second adjusting mechanism comprises a traction wheel mounting block, a second compression spring, a second pressing plate and a second adjusting hand wheel, the traction wheel mounting block is slidably mounted on the conveying wheel wall plate along the vertical direction, the upper traction pressing wheel is rotatably mounted on the traction wheel mounting block, the second compression spring is located at the bottom of the traction wheel mounting block and between the conveying wheel wall plates, the second pressing plate is fixedly mounted at the top of the conveying wheel wall plate, the second adjusting hand wheel is in threaded fit with the second pressing plate, and the threaded end of the second adjusting hand wheel is abutted against the traction wheel mounting block.

As an improved technical scheme, the nose bridge line guiding and cutting mechanism comprises a material supporting bottom plate, a cutting chopping board and a cutting wheel, wherein the material supporting bottom plate is fixedly installed at one end, close to the second installation seat, of the conveying wheel wallboard, a material supporting groove is formed in the material supporting bottom plate, the cutting chopping board is buckled and fixedly installed on the material supporting bottom plate, a material conveying channel for realizing the guiding and conveying of the nose bridge line is formed between the cutting chopping board and the material supporting bottom plate, and the material conveying channel corresponds to the material conveying gap;

the cutting wheel rotates install in on the second mount pad, just fixed mounting has the sword of cutting on the cutting wheel, the sword that cuts of cutting the sword is located cutting wheel global, and rotate to the orientation paste when deciding the chopping block and lean on it sets up to decide the chopping block.

As an improved technical scheme, the first mounting seat and the second mounting seat are both provided with first strip-shaped mounting holes, and the first mounting seat and the second mounting seat are respectively fixedly mounted on the mounting frame body through mounting bolts penetrating through the first strip-shaped mounting holes;

the conveying wheel wallboard is provided with a clamping groove matched with the first mounting seat, and is slidably mounted on the first mounting seat along the vertical direction through the clamping groove, a second strip-shaped mounting hole is formed in the conveying wheel wallboard, and the conveying wheel wallboard is fixedly mounted on the first mounting seat through a mounting bolt penetrating through the second strip-shaped mounting hole.

As an improved technical scheme, the first driving device comprises a first driving motor fixedly mounted on the mounting frame body, a first driving belt wheel is mounted on an output shaft of the first driving motor, the lower traction conveying wheel is connected with a first driven belt wheel through a wheel shaft, the cutting wheel is connected with a second driven belt wheel through a wheel shaft, a first tensioning belt wheel is further mounted on the second mounting seat through a tensioning adjusting plate, and the first driving belt wheel, the first driven belt wheel, the second driven belt wheel and the first tensioning belt wheel are in transmission connection through a first winding driving belt.

As an improved technical scheme, a third strip-shaped mounting hole is formed in the tensioning adjusting plate, the tensioning adjusting plate is fixedly mounted on the second mounting seat through a mounting bolt penetrating through the third strip-shaped mounting hole, and the first tensioning belt wheel is rotatably mounted on the tensioning adjusting plate.

As an improved technical scheme, the nose bridge strip guiding mechanism comprises a bottom supporting plate fixedly mounted on the second mounting seat, an upper cover plate is fixedly mounted on the bottom supporting plate, and a material shifting channel matched with the nose bridge strip is arranged between the upper cover plate and the bottom supporting plate.

As an improved technical scheme, the nose bridge strip material shifting mechanism comprises a material shifting mounting frame fixedly mounted on the second mounting seat, an accessory synchronous belt driven by a second driving device is arranged on the material shifting mounting frame, the part, close to the upper cover plate, of the accessory synchronous belt is parallel to the material shifting channel, a plurality of nose bridge strip shifting claws are uniformly arranged on the accessory synchronous belt, and the end parts of the shifting claws extend into the material shifting channel when the nose bridge strip shifting claws are located between the accessory synchronous belt and the upper cover plate.

As an improved technical scheme, a U-shaped strip hole is formed in the upper cover plate, and the end portion of the nose bridge strip shifting claw penetrates through the upper cover plate through the U-shaped strip hole and extends into the material shifting channel.

As an improved technical scheme, one side of the bottom supporting plate, which faces the upper cover plate, is provided with a strip-shaped avoiding groove which is correspondingly arranged with the U-shaped strip hole.

As an improved technical scheme, both sides of the bottom supporting plate are fixedly provided with limiting plates, and the distance between the two limiting plates is matched with the width of the nose bridge strip.

As an improved technical scheme, a bracket mounting groove and a fourth strip mounting hole are formed in the second mounting seat, a bracket is mounted in the bracket mounting groove, the bracket is fixedly mounted on the second mounting seat through a mounting bolt penetrating through the fourth strip mounting hole, and the bottom support plate is fixedly mounted on the bracket;

a fifth strip-shaped mounting hole is formed in the material shifting mounting frame, and the material shifting mounting frame is fixedly mounted on the second mounting seat through a mounting bolt penetrating through the fifth strip-shaped mounting hole.

As an improved technical scheme, dial the bottom both ends of material mounting bracket and rotate respectively and install first synchronous pulley and second synchronous pulley, dial and still install second tensioning band pulley on the material mounting bracket, second tensioning band pulley is located first synchronous pulley with between the second synchronous pulley, annex synchronous belt frame around in first synchronous pulley second tensioning band pulley with between the second synchronous pulley, and respectively with first synchronous pulley second tensioning band pulley with the second synchronous pulley meshes mutually.

As a modified technical scheme, dial and still set up the sixth bar mounting hole that two correspond settings on the material mounting bracket, the pivot of second tensioning band pulley is passed through the sixth bar mounting hole install in dial on the material mounting bracket, just dial and go back threaded mounting on the material mounting bracket and have the regulation pole, it is located to adjust the pole the pivot below of second tensioning band pulley, and the top is leaned on the pivot setting of second tensioning band pulley.

As an improved technical scheme, the second driving device includes a second driving motor, a second driving pulley, a third driven pulley and a second transmission belt, the second driving motor is fixedly mounted on the material stirring mounting frame through a motor mounting plate, the second driving pulley is mounted on an output shaft of the second driving motor, the third driven pulley is mounted at one end of a rotating shaft of the first synchronous pulley, the second transmission belt is wound between the second driving pulley and the third driven pulley, and the second driving pulley and the third driven pulley are in transmission connection through the second transmission belt.

As an improved technical scheme, a material pressing spring piece is fixedly mounted at the discharge end of the upper cover plate, a material pressing portion of the material pressing spring piece extends out of the upper cover plate, and the bottom surface of the material pressing spring piece and the bottom surface of the upper cover plate are located on the same horizontal plane.

After the technical scheme is adopted, the invention has the beneficial effects that:

(1) the automatic nose bridge strip feeding device is characterized in that a nose bridge strip coil is placed on a nose bridge strip feeding shaft, under the drive of a first driving device, the nose bridge strip feeding mechanism is used for realizing the traction and the delivery of a nose bridge strip, when the nose bridge strip passes through the nose bridge strip straightening mechanism, the nose bridge strip can be straightened under the action of the nose bridge strip straightening mechanism by straightening the nose bridge strip, the nose bridge strip is pulled by the nose bridge strip feeding mechanism and fed to a nose bridge strip guiding and cutting mechanism, the nose bridge strip is guided and orderly cut by the nose bridge strip guiding and cutting mechanism, the nose bridge strip is cut into nose bridge strips with required length, the cut nose bridge strips are sequentially fed into the nose bridge strip guiding mechanism from a feeding port, the nose bridge strips are poked by the nose bridge strip poking mechanism, the nose bridge strips which are cut and fed into the nose bridge strip guiding mechanism are sequentially poked to a discharging end along a poking channel, and the orderly feeding of the nose bridge strips is realized, when having satisfied the compound process in back, carry the bridge of the nose strip to the gauze mask material between the band layer in order and the material loading demand of centre gripping complex between gauze mask material band layer.

Through this nose bridge strip automatic feeding device, can realize nose bridge line blowing, smooth out with the fingers straight, pull the transport, the fixed length cuts and dial the material transport in order of cutting out the nose bridge strip, thereby realized that KN95 gauze mask adds the nose bridge strip high efficiency in man-hour, orderly material loading demand, and through this nose bridge strip automatic feeding device, can satisfy the material loading demand of nose bridge strip in even vertical arrangement between gauze mask material area, be convenient for follow-up fifty percent discount processing to the gauze mask material area, and then provide reliable guarantee for the high efficiency processing production of KN95 gauze mask body.

(2) This nose bridge line of being equipped with is smoothed out with fingers straight mechanism, simple structure realizes rectifying, the direction of nose bridge line through the delivery wheel of rectifying, when the nose bridge line is through each lower delivery wheel of cooperation installation and last delivery wheel, can smooth out with fingers straight with buckling that probably exists on the nose bridge line, has avoided the influence that the material and mask body contour machining were dialled to follow-up nose bridge strip to buckling on the nose bridge line.

(3) This bridge of the nose line conveying mechanism and bridge of the nose line direction that is equipped with cut the mechanism, first drive arrangement drives down and pulls the delivery wheel and rotate, pull the delivery wheel down and pull the cooperation of pressing the wheel and hold the wheel and realize the transportation of pulling to the bridge of the nose line down, and simultaneously, first drive arrangement synchronous drive cuts the wheel rotation, realize cutting to the bridge of the nose line through cutting the sword that cuts on the wheel, and the bridge of the nose line is in deciding the chopping block and holding in the palm spacing transport in the defeated material passageway that forms between the material bottom plate, can avoid the bridge of the nose line to take place the offset, be convenient for cut the accuracy of bridge of the nose line.

(4) Realize cutting the synchronous drive of mechanism to nose bridge line conveying mechanism and nose bridge line direction by a drive arrangement for under the cooperation work of mechanism is cut in nose bridge line conveying mechanism and nose bridge line direction, the nose bridge line just can be decided after carrying specific section length, thereby has realized the high efficiency of required length nose bridge strip, accurate processing of cutting.

(5) This bridge of the nose strip guide mechanism and bridge of the nose strip kickoff mechanism that are equipped with, the bridge of the nose strip that cuts down is sent into in proper order by bridge of the nose strip guide mechanism's feed inlet, under second drive arrangement's drive, drive annex hold-in range gyration, realize the group through bridge of the nose strip pusher dog on the annex hold-in range and send to the discharge end, dial the bridge of the nose strip along dialling the material passageway, and dial the process of material to next group material once, just in time accomplish the feed supplement of a bridge of the nose strip, thereby realized dialling the orderly automation of bridge of the nose strip and sent, make bridge of the nose strip material loading efficiency improve greatly.

(6) Realize the bearing to the bridge of the nose strip through the bottom plate board, and the material passageway of dialling that upper cover plate and bottom have between the pallet cooperatees with the limiting plate of both sides, realizes dialling effective spacing when sending to the bridge of the nose strip, ensures that the bridge of the nose strip remains steady accurate transport state all the time dialling the in-process of sending, can not take place the offset, has satisfied the high-efficient demand of dialling the material of bridge of the nose strip.

(7) Set up some U-shaped strip holes on the upper cover plate, the claw end of the bridge of the nose strip pusher dog of being convenient for passes through and accomplishes the kickoff action, sets up some bars on the backing plate and dodges the groove, can realize dodging to bridge of the nose strip end for bridge of the nose strip pusher dog can not scratch the backing plate when realizing effectively pushing away the bridge of the nose strip, avoids causing the damage to backing plate and bridge of the nose strip pusher dog.

(8) The material spring leaf is pressed to upper cover plate discharge end fixed mounting, when dialling the bridge of the nose strip and sending to the discharge end, presses the bridge of the nose strip pusher dog that the material spring leaf can avoid upwards overturning to choose the bridge of the nose strip, provides reliable guarantee for the bridge of the nose strip in the accurate material loading of compound process at the back.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic view of a matched mounting structure of a nose bridge wire straightening mechanism, a nose bridge wire conveying mechanism and a nose bridge wire guiding cutting mechanism according to the invention;

FIG. 4 is a schematic structural diagram of a first driving device according to the present invention;

FIG. 5 is a schematic cross-sectional view of a wall panel portion of the delivery wheel of the present invention;

FIG. 6 is a rear view of the first mounting block and first mounting block portion of the present invention;

FIG. 7 is a schematic view of a matching installation structure of a nose bridge strip guiding mechanism and a nose bridge strip ejecting mechanism according to the present invention;

FIG. 8 is a left side view schematic diagram of the nose bridge guiding mechanism and the nose bridge shifting mechanism of the present invention;

FIG. 9 is a schematic structural view of a nose bridge strip material guiding mechanism according to the present invention;

FIG. 10 is a schematic perspective view of another material guiding mechanism for nose bridge according to the present invention;

FIG. 11 is a schematic structural view of a nose bridge strip ejecting mechanism according to the present invention;

FIG. 12 is a schematic view of the installation structure of the accessory timing belt of the present invention;

reference numerals: 1, mounting a frame body; 2-a material shaft mounting plate; 3-nose bridge line stub shaft; 4-a first mount; 401-first bar-shaped mounting hole; 5-a second mounting seat; 501-bracket mounting groove; 502-fourth bar installation; 6-conveying wheel wall plate; 601-a second strip-shaped mounting hole; 7-deviation rectifying conveying wheels; 8-lower conveying wheel; 9-upper conveying wheel; 10-a conveying wheel mounting block; 11-a first compression spring; 12-a first platen; 13-a first adjusting handwheel; 14-lower traction transfer wheels; 15-pulling and pressing wheels; 16-a traction wheel mounting block; 17-a second compression spring; 18-a second platen; 19-a second adjusting handwheel; 20-supporting the material bottom plate; 21-cutting the chopping board; 22-a cutting wheel; 23-cutting knife; 24-a first drive motor; 25-a first driving pulley; 26-a first driven pulley; 27-a second driven pulley; 28-tensioning adjusting plate; 2801-a third strip mounting hole; 29-a first tensioning pulley; 30-a bracket; 31-a bottom pallet; 3101-bar-shaped avoidance slots; 32-an upper cover plate; 3201-U-shaped hole; 33-a limiting plate; 34-a kick-off mounting rack; 3401-a fifth bar-shaped mounting hole; 3402-a sixth strip mounting hole; 3403-a seventh bar-shaped mounting hole; 35-a motor mounting plate; 36-a second drive motor; 37-a second drive pulley; 38-a third driven pulley; 39-a first synchronous pulley; 40-a second synchronous pulley; 41-a second tensioning pulley; 42-adjusting rod; 43-attachment timing belt; 44-nose bridge bar finger; 45-pressing spring pieces; 46-nose wire coil.

Detailed Description

The invention is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.

As shown in fig. 1 to 12 jointly, this embodiment provides a nose bridge strip automatic feeding device, including installing support body 1, be equipped with nose bridge line stub shaft 3 on installing support body 1, install first mount pad 4 and second mount pad 5 side by side in proper order in the low reaches of nose bridge line stub shaft 3 on installing support body 1.

Install delivery wheel wallboard 6 on first mount pad 4, be equipped with on delivery wheel wallboard 6 that the nose line is smoothed out with fingers straight mechanism and be located the nose line and smooth out the nose bridge line conveying mechanism in straight mechanism low reaches, the cooperation is installed nose line direction and is cut the mechanism on delivery wheel wallboard 6 and the second mount pad 5, nose bridge line direction is cut the mechanism and is located nose bridge line conveying mechanism low reaches, and nose bridge line conveying mechanism and nose bridge line direction cut the mechanism and drive by a drive arrangement.

Be equipped with bridge of the nose strip guide mechanism on second mount pad 5, bridge of the nose strip guide mechanism's feed inlet cuts the mechanism with bridge of the nose line direction and corresponds the setting, still is equipped with bridge of the nose strip on second mount pad 5 and dials material mechanism, and bridge of the nose strip dials the top that material mechanism is located bridge of the nose strip guide mechanism, and corresponds the cooperation setting with bridge of the nose strip guide mechanism.

As shown in fig. 1 and fig. 2, in order to mount the nose bridge wire material shaft 3 on the mounting frame body 1, a material shaft mounting plate 2 is fixedly mounted on the mounting frame body 1, and the nose bridge wire material shaft 3 is rotatably mounted on the material shaft mounting plate 2; in this embodiment, the nose bridge wire shaft 3 is an inflatable shaft, which is convenient for taking and placing the nose bridge wire coil 46.

As shown in fig. 1 to 6, the nose bridge line straightening mechanism comprises deviation-correcting conveying wheels 7 rotatably mounted on a conveying wheel wall plate 6, a plurality of lower conveying wheels 8 are arranged between the deviation-correcting conveying wheels 7, the lower conveying wheels 8 are uniformly rotatably mounted on the conveying wheel wall plate 6, an upper conveying wheel 9 is arranged between two adjacent lower conveying wheels 8, and the upper conveying wheel 9 is rotatably mounted above the lower conveying wheels 8 through a first adjusting mechanism; in this embodiment, the deviation-correcting conveying wheel 7, the lower conveying wheel 8 and the upper conveying wheel 9 are all i-shaped wheels.

First adjustment mechanism includes delivery wheel installation piece 10, a compression spring 11, first clamp plate 12 and a regulating hand wheel 13, delivery wheel installation piece 10 is along vertical direction slidable mounting on delivery wheel wallboard 6, go up delivery wheel 9 and rotate and install on delivery wheel installation piece 10, a compression spring 11 is located between delivery wheel installation piece 10 bottom and the delivery wheel wallboard 6, a clamp plate 12 fixed mounting is in delivery wheel wallboard 6 top, a regulating hand wheel 13 screw-thread fit installs on first clamp plate 12, and the screw thread end of a regulating hand wheel 13 supports and leans on delivery wheel installation piece 10 to set up.

This straight mechanism is smoothed out with fingers to bridge of the nose line, simple structure realizes rectifying, the direction of bridge of the nose line through the delivery wheel 7 that rectifies, when the bridge of the nose line passes through each lower delivery wheel 8 of cooperation installation and last delivery wheel 9, can smooth out with fingers straight with buckling that probably exists on the bridge of the nose line, has avoided the influence that the material and mask body contour machining were dialled to follow-up bridge of the nose to buckling on the bridge of the nose line.

The nose bridge line conveying mechanism comprises a lower traction conveying wheel 14 and an upper traction pressing wheel 15, the lower traction conveying wheel 14 is rotatably installed on the conveying wheel wallboard 6, the upper traction pressing wheel 15 is rotatably installed right above the lower traction conveying wheel 14 through a second adjusting mechanism, and a material conveying gap for the nose bridge line to pass through is formed between the upper traction pressing wheel 15 and the lower traction conveying wheel 14.

The second adjusting mechanism comprises a traction wheel mounting block 16, a second compression spring 17, a second pressing plate 18 and a second adjusting hand wheel 19, the traction wheel mounting block 16 is slidably mounted on the conveying wheel wall plate 6 along the vertical direction, an upper traction pressing holding wheel 15 is rotatably mounted on the traction wheel mounting block 16, the second compression spring 17 is located between the bottom of the traction wheel mounting block 16 and the conveying wheel wall plate 6, the second pressing plate 18 is fixedly mounted at the top of the conveying wheel wall plate 6, the second adjusting hand wheel 19 is mounted on the second pressing plate 18 in a threaded fit mode, and the threaded end of the second adjusting hand wheel 19 abuts against the traction wheel mounting block 16.

In this embodiment, offer the spring-receiving groove that is used for placing first compression spring 11 and second compression spring 17 on the delivery wheel wallboard 6, place in first compression spring 11 and second compression spring 17 respectively in corresponding spring-receiving groove.

The nose bridge line guiding and cutting mechanism comprises a material supporting bottom plate 20, a cutting chopping board 21 and a cutting wheel 22, the material supporting bottom plate 20 is fixedly arranged at one end, close to the second mounting seat 5, of the conveying wheel wallboard 6, a material supporting groove is formed in the material supporting bottom plate 20, the cutting chopping board 21 is buckled and fixedly arranged on the material supporting bottom plate 20, a material conveying channel for realizing the guiding conveying of the nose bridge line is formed between the cutting chopping board and the material supporting bottom plate 20, and the material conveying channel corresponds to the material conveying gap; cut wheel 22 and rotate and install on second mount pad 5, and fixed mounting has cutting sword 23 on the cutting wheel 22, and the cutting edge that cuts sword 23 is located cutting wheel 22 global, and rotates to paste when cutting chopping block 21 to the orientation and decide chopping block 21 and set up.

This nose bridge line conveying mechanism and nose bridge line direction that is equipped with cut mechanism, first drive arrangement drives down and pulls conveying wheel 14 and rotate, pull conveying wheel 14 down and pull the cooperation of holding wheel 15 with last pressure and realize the transportation of pulling to the nose bridge line, and simultaneously, first drive arrangement synchronous drive cuts wheel 22 and rotates, cut 23 realization through cutting on the wheel 22 of cutting to the nose bridge line, and the nose bridge line is in deciding the spacing transport in the conveying passageway of cutting chopping block 21 and holding in the palm material bottom plate 20 formation, can avoid nose bridge line to take place the offset, be convenient for cut the accuracy of nose bridge line.

In this embodiment, first bar-shaped mounting holes 401 have been all seted up on first mount pad 4 and the second mount pad 5, and first mount pad 4 and second mount pad 5 are respectively through the construction bolt fixed mounting who runs through its first bar-shaped mounting hole 401 on installation support body 1, are convenient for adjust the mounted position of first mount pad 4 and second mount pad 5, and then realize cutting wheel 22 and decide the cooperation of chopping block 21 fore-and-aft position and adjust.

In this embodiment, delivery wheel wallboard 6 has the draw-in groove with 4 looks adaptations of first mount pad, and through draw-in groove along vertical direction slidable mounting on first mount pad 4, second bar mounting hole 601 has been seted up on delivery wheel wallboard 6, delivery wheel wallboard 6 is through the construction bolt fixed mounting who runs through its second bar mounting hole 601 on first mount pad 4, be convenient for adjust the mounting height of delivery wheel wallboard 6, and then realize cutting wheel 22 and decide the cooperation of chopping block 21 upper and lower position and adjust, when guaranteeing to cut to the bridge of the nose line, the cutting blade of cutting sword 23 effectively laminates with the hammering block face of deciding chopping block 21, when realizing cutting to the bridge of the nose line, can not cause the influence to the cutting blade of cutting sword 23.

The first driving device comprises a first driving motor 24 fixedly installed on the installation frame body 1, a first driving belt wheel 25 is installed on an output shaft of the first driving motor 24, the lower traction conveying wheel 14 is connected with a first driven belt wheel 26 through a wheel shaft, the cutting wheel 22 is connected with a second driven belt wheel 27 through a wheel shaft, a first tensioning belt wheel 29 is further installed on the second installation seat 5 through a tensioning adjusting plate 28, and the first driving belt wheel 25, the first driven belt wheel 26, the second driven belt wheel 27 and the first tensioning belt wheel 29 are in transmission connection through a wound first driving belt.

In this embodiment, a third strip-shaped mounting hole 2801 is formed in the tensioning adjusting plate 28, the tensioning adjusting plate 28 is fixedly mounted on the second mounting base 5 through a mounting bolt penetrating through the third strip-shaped mounting hole 2801, and the first tensioning pulley 29 is rotatably mounted on the tensioning adjusting plate 28; by adjusting the position of the tensioning adjustment plate 28, an adjustment of the first tensioning pulley 29 and thus a tensioning of the first drive belt is achieved.

Realize cutting the synchronous drive of mechanism to nose bridge line conveying mechanism and nose bridge line direction by a drive arrangement for under the cooperation work of mechanism is cut in nose bridge line conveying mechanism and nose bridge line direction, the nose bridge line just can be decided after carrying specific section length, thereby has realized the high efficiency of required length nose bridge strip, accurate processing of cutting.

As shown in fig. 1, 2, and 7 to 12, the nose bridge strip guiding mechanism includes a bottom support plate 31 fixedly mounted on the second mounting base 5, an upper cover plate 32 is fixedly mounted on the bottom support plate 31, and a material shifting channel adapted to the nose bridge strip is provided between the upper cover plate 32 and the bottom support plate 31.

Nose bridge strip kickoff constructs including the kickoff mounting bracket 34 of fixed mounting on second mount pad 5, be equipped with the driven annex hold-in range 43 of second drive arrangement on the kickoff mounting bracket 34, the part that annex hold-in range 43 is close to upper cover plate 32 is parallel with the material passageway of kickoff, and evenly is equipped with a plurality of nose bridge strip pusher dogs 44 on the annex hold-in range 43, the nose bridge strip pusher dog 44 is located between annex hold-in range 43 and the upper cover plate 32 when the pusher dog tip extends to the material passageway of kickoff.

In this embodiment, the upper cover plate 32 is provided with a U-shaped bar hole 3201, and the end of the nose bridge bar pusher 44 passes through the upper cover plate 32 through the U-shaped bar hole 3201 and extends into the material shifting channel; one side of the bottom bracket plate 31 facing the upper cover plate 32 is provided with a strip-shaped avoiding groove 3101 corresponding to the U-shaped strip hole 3201. Set up some U-shaped strip holes 3201 on the upper cover plate 32, the claw end of bridge of the nose strip pusher dog 44 of being convenient for passes through and accomplishes the kicking action, sets up some bars on the backing plate 31 and dodges groove 3101, can realize dodging to bridge of the nose strip pusher dog 44 is terminal for bridge of the nose strip pusher dog 44 can not scratch backing plate 31 when realizing effectively pushing away the bridge of the nose strip, avoids causing the damage to backing plate 31 and bridge of the nose strip pusher dog 44.

In this embodiment, the both sides of bottom bracket plate 31 still all fixed mounting have limiting plate 33, and the interval and the nose bridge width looks adaptation of two pages of limiting plate 33.

Nose bridge strip guide mechanism passes through bottom plate 31 and realizes the bearing to the nose bridge strip, and the material passageway of dialling that has between upper cover plate 32 and bottom plate 31 cooperatees with the limiting plate 33 of both sides, realizes dialling effective spacing when sending to the nose bridge strip, ensures that the nose bridge strip keeps steady accurate transport state all the time dialling the in-process of sending, can not take place the skew, has satisfied the high-efficient demand of dialling the material of nose bridge strip.

In order to mount the bottom bracket plate 31 on the second mounting seat 5, in this embodiment, a bracket mounting groove 501 and a fourth bar-shaped mounting hole 502 are formed on the second mounting seat 5, the bracket 30 is mounted in the bracket mounting groove 501, the bracket 30 is fixedly mounted on the second mounting seat 5 by a mounting bolt penetrating through the fourth bar-shaped mounting hole 502, and the bottom bracket plate 31 is fixedly mounted on the bracket 30.

In order to mount the material-stirring mounting frame 34 on the second mounting seat 5, in this embodiment, a fifth bar-shaped mounting hole 3401 is formed in the material-stirring mounting frame 34, and the material-stirring mounting frame 34 is fixedly mounted on the second mounting seat 5 through a mounting bolt penetrating through the fifth bar-shaped mounting hole 3401.

Bracket 30 is through the construction bolt fixed mounting that runs through fourth bar installation 502 hole on second mount pad 5, dial material mounting bracket 34 through the construction bolt fixed mounting that runs through fifth bar installation hole 3401 on second mount pad 5, thereby can realize nose bridge strip guide mechanism and nose bridge strip and dial the altitude mixture control of material mechanism in vertical side, and then realize that the cooperation of operating position is adjusted between nose bridge strip pusher dog 44 and bottom plate 31, and adjust easy operation convenience, furthermore, bracket 30 is installed in bracket mounting groove 501, bracket mounting groove 501 plays the limiting displacement when adjusting bracket 30 from top to bottom.

The two ends of the bottom of the material shifting mounting frame 34 are respectively rotatably provided with a first synchronous belt pulley 39 and a second synchronous belt pulley 40, the material shifting mounting frame 34 is further provided with a second tensioning belt pulley 41, the second tensioning belt pulley 41 is positioned between the first synchronous belt pulley 39 and the second synchronous belt pulley 40, and the accessory synchronous belt 43 is wound among the first synchronous belt pulley 39, the second tensioning belt pulley 41 and the second synchronous belt pulley 40 and is respectively meshed with the first synchronous belt pulley 39, the second tensioning belt pulley 41 and the second synchronous belt pulley 40.

In this embodiment, the material shifting mounting frame 34 is further provided with two correspondingly arranged sixth bar-shaped mounting holes 3402, the rotating shaft of the second tensioning belt wheel 41 is mounted on the material shifting mounting frame 34 through the sixth bar-shaped mounting holes 3402, and the material shifting mounting frame 34 is further provided with an adjusting rod 42 in a threaded manner, the adjusting rod 42 is located below the rotating shaft of the second tensioning belt wheel 41 and is arranged against the rotating shaft of the second tensioning belt wheel 41; the adjustment of the second tensioning pulley 41 and thus the tensioning of the accessory timing belt 43 can be achieved by rotating the adjustment lever 42.

The second driving device comprises a second driving motor 36, a second driving pulley 37, a third driven pulley 38 and a second transmission belt, the second driving motor 36 is fixedly mounted on the material stirring mounting frame 34 through a motor mounting plate 35, the second driving pulley 37 is mounted on an output shaft of the second driving motor 36, the third driven pulley 38 is mounted at one end of a rotating shaft of the first synchronous pulley 39, the second transmission belt is wound between the second driving pulley 37 and the third driven pulley 38, and the second driving pulley 37 and the third driven pulley 38 are connected through the second transmission belt in a transmission manner.

The second driving motor 36 works to drive the first synchronous pulley 39 to rotate through the second driving pulley 37, the third driven pulley 38 and the second transmission belt, and the first synchronous pulley 39 rotates to drive the accessory synchronous belt 43 to rotate due to the fact that the accessory synchronous belt 43 is meshed with the first synchronous pulley 39, the second tensioning pulley 41 and the second synchronous pulley 40 respectively, and the nose bridge strip shifting claw 44 evenly arranged on the accessory synchronous belt 43 completes the material shifting action.

In this embodiment, a seventh bar-shaped mounting hole 3403 is further formed in the material shifting mounting frame 34, and the motor mounting plate 35 is fixedly mounted on the material shifting mounting frame 34 through a mounting bolt penetrating through the seventh bar-shaped mounting hole 3403, so that the mounting height of the second driving motor 36 is adjusted by adjusting the motor mounting plate 35, and the tensioning of the second driving belt is adjusted.

As shown in fig. 7 to 10, in this embodiment, the discharge end of the upper cover plate 32 is fixedly provided with the pressing spring piece 45, the pressing portion of the pressing spring piece 45 extends out of the upper cover plate 32, and the bottom surface of the pressing spring piece 45 and the bottom surface of the upper cover plate 32 are located on the same horizontal plane, when the nose bridge strip is conveyed to the discharge end, the pressing spring piece 45 can prevent the nose bridge strip from being flipped by the nose bridge strip pusher dog 44 which is turned upwards, and reliable guarantee is provided for accurate feeding of the nose bridge strip between material layers in the back composite process.

This bridge of the nose strip guide mechanism and the bridge of the nose strip of cooperation installation dial material mechanism, the bridge of the nose strip that cuts is sent into in proper order by the feed inlet of bridge of the nose strip guide mechanism, under second drive arrangement's drive, drive annex hold-in range 43 gyration, it sends to pushing away of bridge of the nose to realize through bridge of the nose strip pusher dog 44 on the annex hold-in range 43, dial the bridge of the nose along dialling the material passageway and send to the discharge end, and once dial the process of material to next dialling of material, just in time accomplish the feed supplement of a bridge of the nose strip, thereby realized dialling the orderly automation of bridge of the nose and send, make bridge of the nose strip material loading efficiency improve greatly.

According to the automatic nose bridge strip feeding device based on the structure, a nose bridge strip coil 46 is placed on a nose bridge strip feeding shaft 3, under the driving of a first driving device, the nose bridge strip feeding mechanism achieves traction conveying of a nose bridge strip, when the nose bridge strip passes through the nose bridge strip straightening mechanism, under the action of the nose bridge strip straightening mechanism, the nose bridge strip can straighten out a possible bending of the nose bridge strip, the nose bridge strip fed through the traction conveying mechanism is guided to a nose bridge strip guiding and cutting mechanism, the nose bridge strip guiding and cutting mechanism conducts guiding and orderly cutting of the nose bridge strip, the nose bridge strip is cut into nose bridge strips with required length, the cut nose bridge strips are sequentially fed into the nose bridge strip guiding mechanism through a feeding port, the nose bridge strips are poked and fed through the nose bridge strip poked-up mechanism, the cut nose bridge strips fed into the nose bridge strip guiding mechanism are sequentially poked to a discharging end along a poking channel, thereby realized the orderly material loading of bridge of the nose strip, when having satisfied the compound process in back, carried bridge of the nose strip in order to the gauze mask material between the band layer and the material loading demand of centre gripping complex between gauze mask material band layer.

Through this nose bridge strip automatic feeding device, can realize nose bridge line blowing, smooth out with the fingers straight, pull the transport, the fixed length cuts and dial the material transport in order of cutting out the nose bridge strip, thereby realized that KN95 gauze mask adds the nose bridge strip high efficiency in man-hour, orderly material loading demand, and through this nose bridge strip automatic feeding device, can satisfy the material loading demand of nose bridge strip in even vertical arrangement between gauze mask material area, be convenient for follow-up fifty percent discount processing to the gauze mask material area, and then provide reliable guarantee for the high efficiency processing production of KN95 gauze mask body.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.