CN214188543U

CN214188543U - Mask production welding mechanism

Info

Publication number: CN214188543U
Application number: CN202023067390.4U
Authority: CN
Inventors: 邓美生
Original assignee: Shen Zhong Hai Medical Supplies Shen Zhen Co ltd
Current assignee: Shen Zhong Hai Medical Supplies Shen Zhen Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-14
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a gauze mask production welding mechanism, include: the material tray is used for placing the mask body; the conveying device is used for conveying the material tray; the shearing device is used for shearing the connecting belt; the clamping device is used for clamping the sheared connecting belt to the position of the welding device; the welding device is used for welding the connecting belt with the mask body through the welding device when the material tray moves to the position of the welding device; and the control system is used for controlling the conveying device, the shearing device, the clamping device and the welding device. The utility model discloses a place the gauze mask body with the charging tray and transport through conveyer, realize the material loading, cut the connecting band through shearing mechanism and press from both sides the device and deliver to welding set with the connecting band through pressing from both sides, realize the pay-off, realize the welding through welding set, realized the automation of material loading, pay-off, welding, unloading of gauze mask production like this, improved gauze mask connecting band welded production efficiency, greatly improved market competition for the enterprise.

Description

Mask production welding mechanism

Technical Field

The utility model relates to a gauze mask processingequipment technical field, more specifically say so and relate to a gauze mask production welding mechanism.

Background

At present, most common mask ear belt welding modes are semi-automatic or purely manual, production efficiency is not high, and the mask ear belt welding mode is not suitable for mass production of mask products with complex processes.

SUMMERY OF THE UTILITY MODEL

The features and advantages of the present invention are set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.

The utility model aims at providing a gauze mask production welding mechanism to improve gauze mask production efficiency.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows: a mask production welding mechanism, comprising:

the material tray is used for placing the mask body;

the conveying device is used for conveying the material tray;

the shearing device is used for shearing the connecting belt;

the clamping device is used for clamping the sheared connecting belt to the position of the welding device;

the welding device is used for welding the connecting belt with the mask body through the welding device when the material tray moves to the position of the welding device;

and the control system is used for controlling the conveying device, the shearing device, the clamping device and the welding device.

Shearing mechanism includes support, two synchronizing wheels, hold-in range, first motor, a clamping device, first guide rail, first slider and shearing piece, and two synchronizing wheel intervals are installed on the support, the hold-in range is installed on two synchronizing wheels, first motor is connected with one of them synchronizing wheel, first guide rail is installed on the support, first slider is installed on the first guide rail, a clamping device with the hold-in range first slider is connected, a clamping device is used for cliping the one end of connecting band, shearing piece is installed cut on the support and be used for the connecting band.

The shearing device further comprises a first connecting block, the first connecting block is connected with the synchronous belt and the sliding block, and the first clamping device is installed on the first connecting block.

The clamping device comprises two mechanical clamping hands, wherein one mechanical clamping hand is used for clamping one end of the connecting belt, and the other mechanical clamping hand is used for clamping the other end of the connecting belt.

The mechanical tong comprises a second motor, a second clamping device connected with a rotating shaft of the second motor and a clamp installed on the clamping device, the second motor drives the second clamping device to rotate, and the second clamping device drives the clamp to clamp and loosen the connecting belt.

And a rotating shaft of the second motor is connected with the second clamping device through a rotating shaft device.

The rotating shaft device comprises a shaft coupling, a rotating shaft, a bearing seat and a second connecting block, the rotating shaft of the second motor is connected with one end of the rotating shaft through the shaft coupling, the bearing is installed in the bearing seat, the bearing is installed on the rotating shaft, the second connecting block is installed at the other end of the rotating shaft, the second clamping device is connected with the second connecting block, the bearing seat is installed on the motor base, and the second motor is installed on the motor base.

The mask production welding mechanism further comprises a third clamping device, and the mask body is fixed on the material disc through the third clamping device.

The third clamping device comprises a first air cylinder, a push pin and a clamping hand, the clamping hand is installed on the material tray, and the push pin is installed on a piston rod of the first air cylinder; the tong includes fixed block, torsional spring and chuck, and the fixed block is installed on the charging tray, the torsional spring has two links, the chuck include the linking arm and with the arm that compresses tightly that the linking arm is connected, the linking arm is installed through the axle on the fixed block, one of them link of torsional spring with the linking arm is connected, another link of torsional spring with the fixed block is connected, push away the foot with the linking arm contact.

The welding device adopts ultrasonic welding.

The utility model discloses a place the gauze mask body with the charging tray and transport through conveyer, realize the material loading, cut the connecting band through shearing mechanism and press from both sides the device and deliver to welding set with the connecting band through pressing from both sides, realize the pay-off, realize the welding through welding set, realized the automation of material loading, pay-off, welding, unloading of gauze mask production like this, improved gauze mask connecting band welded production efficiency, greatly improved market competition for the enterprise.

Drawings

The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:

FIG. 1 is a structural diagram of a mask production welding mechanism in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a shearing apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a clamping device for clamping a connecting belt according to an embodiment of the present invention;

FIG. 4 is a structural diagram of a mechanical gripper according to an embodiment of the present invention;

fig. 5 is an exploded view of a mechanical gripper according to an embodiment of the present invention;

fig. 6 is an exploded view of a rotating shaft device according to an embodiment of the present invention;

fig. 7 is a structural diagram of the mask body fixed on the material tray by the third clamping device in the embodiment of the present invention;

fig. 8 is a structural view of the mask body taken off from the tray when the third clamping device is released in the embodiment of the present invention;

fig. 9 is a state diagram of the third clamping device according to the embodiment of the present invention when released;

fig. 10 is a state diagram of the third clamping device according to the embodiment of the present invention;

FIG. 11 is a front view of the tray of the embodiment of the present invention;

FIG. 12 is a view of the structure of the back side of the tray in the embodiment of the present invention;

fig. 13 is a state diagram of the connecting band and the mask body when welded according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1, the embodiment of the utility model provides an in the embodiment proposed gauze mask production welding mechanism, including frame 1, charging tray 2, conveyer 3, shearing mechanism 4, press from both sides the device, welding set 6 and control system 7 of getting, conveyer 3, shearing mechanism 4, press from both sides the device, welding set 6 and control system 7 all install in frame 1.

Charging tray 2 is used for placing gauze mask body 8, conveyer 3 is used for carrying charging tray 2, shearing mechanism 4 is used for shearing connecting band 9, press from both sides the device and be used for pressing from both sides the connecting band 9 of shearing and get to 6 positions of welding set, welding set 6 is used for moving connecting band 9 and 8 welding of gauze mask body through welding set 6 when welding set 6 positions at charging tray 2, accomplish the gauze mask production, control system 7 is used for conveyer 3, shearing mechanism 4, press from both sides and get device and welding set 6 and control, in order to accomplish whole production process. Through placing the gauze mask body with the charging tray and transporting through conveyer, realize the material loading, through shearing mechanism shear connection area and press from both sides the device and deliver to welding set with the connecting band through getting, realize the pay-off, realize the welding through welding set, realized the automation of material loading, pay-off, welding, the unloading of gauze mask production like this, improved gauze mask connecting band welded production efficiency, greatly improved market competition for the enterprise.

The control system is a PLC control system, and the connecting band is an ear band.

As shown in fig. 2, the cutting device includes a bracket 401, two synchronizing wheels, a synchronizing belt 404, a first motor 410, a first clamping device, a first guide rail 406, a first slider 407, a cutting member, and a first connecting block 409, where the two synchronizing wheels are a first synchronizing wheel 402 and a second synchronizing wheel 403, the first motor 410 is a servo motor, the first clamping device is a first finger cylinder 405, and the cutting member is a pair of scissors 408. The support 401 is long-strip-shaped, the first synchronous wheel 402 is installed at the left end of the support 401, the second synchronous wheel 403 is installed at the right end of the support 401, and the synchronous belt 404 is installed on the first synchronous wheel 402 and the second synchronous wheel 403. The first motor 410 is connected to the first synchronous pulley 402 and drives the first synchronous pulley 402 to rotate, the first guide rail 406 is mounted on the bracket 401, and the first guide rail 406 extends along the length direction of the bracket 401. The first slider 407 is mounted on the first guide rail 406, the first finger cylinder 405 is mounted on the first connecting block 409, and the first connecting block 409 is connected to the timing belt 404 and the first slider 407. The first finger cylinder 405 is used for clamping one end of the connecting belt 9, and the scissors 408 are installed on the bracket 401 and used for cutting the connecting belt 9. The first finger cylinder 405 is provided with two gripping pieces 411, and one end of the connecting band 9 is gripped and released by the two gripping pieces 411, and the first finger cylinder 405 has two fingers, one gripping piece 411 being provided on each finger. The scissors 408 are driven by a second finger cylinder 412, the second finger cylinder 412 is provided with two fingers, each finger is provided with a connecting rod 414, each connecting rod 414 is provided with a lantern ring, the connecting rods 414 are sleeved on the handle of the scissors 408 through the lantern rings, and the second finger cylinder 412 drives the scissors 408 to be closed and opened, so that the connecting belt 9 is cut off. The shearing device further comprises a limiting part, the limiting part is installed on the support 401 and comprises an upper cover block 413 and a lower cover block, and when the connecting belt 9 is sheared, the connecting belt 9 is located between the upper cover block and the lower cover block to avoid the connecting belt to shake.

When the first motor is driven, the first synchronous wheel is driven to rotate, the synchronous belt is further driven to move, the connecting block and the first finger cylinder are further driven to move, and one end of the connecting belt is clamped by the first finger cylinder, so that the shearing length of the connecting belt is adjusted, and the connecting belt is sheared by the scissors after being adjusted to a proper length. The cutting length range of the connecting belt is adjustable (the adjustable length range is 200 mm-500 mm), the connecting belt is suitable for the cutting length of the ear belt of various (plus/middle/small) cup-shaped masks, and the cutting length of the ear belt can be accurately controlled.

As shown in fig. 3, after the web is cut, the cut web is gripped by a gripper. The clamping device comprises two mechanical clamping hands 5, wherein one mechanical clamping hand 5 is used for clamping one end of the connecting belt 9, and the other mechanical clamping hand 5 is used for clamping the other end of the connecting belt 9.

As shown in fig. 4 to 6, the mechanical gripper comprises a second motor 501, a second clamping device and a clamp, the second clamping device is a third finger cylinder 502, the clamp comprises two clamping fingers 503, the third finger cylinder 502 has two fingers, each finger is provided with one clamping finger 503, and the third finger cylinder 502 drives the two clamping fingers 503 to clamp and release the connecting strip, so as to clamp and release the connecting strip. The third finger cylinder 502 is connected with the rotating shaft of the second motor 501, and the second motor 501 drives the third finger cylinder 502 to rotate, so as to drive the clamp to rotate.

In this embodiment, a rotating shaft of the second motor 501 is connected to the third finger cylinder 502 through the rotating shaft device 504, the second motor 501 is installed on the motor base 505, the motor base 505 includes a first connecting plate 506 and four connecting columns 507, one end of each connecting column 507 is installed on the first connecting plate 506, and the other end of each connecting column 507 is connected to the second motor 501. The rotating shaft device comprises a coupling 508, a rotating shaft 509, a bearing 510, a bearing housing 511 and a second connecting block 512, wherein the rotating shaft of the second motor 501 is connected with one end of the rotating shaft 509 through the coupling 508, the bearing 510 is installed in the bearing housing 511, the bearing 510 is also installed on the rotating shaft 509, and the bearing housing 511 is installed on the first connecting block 506. A second connecting block 512 is installed at the other end of the rotating shaft 509, and the third finger cylinder 502 is connected to the second connecting block 512.

An inductive disk 513 is mounted on the coupling 508.

As shown in fig. 3, the mechanical gripper is mounted on a lifting device for moving the mechanical gripper up and down in a vertical direction. The lifting device comprises a lifting cylinder 514, a second guide rail 515, a second sliding block 516 and a second connecting plate 517. The second guide rail 515 is mounted on the frame, the second slider 516 is mounted on the second guide rail 515, the second link plate 517 is mounted on the second slider 516, and the first link plate 506 is connected to the second link plate 517.

As shown in fig. 7 and 8, the mask production welding mechanism further includes a third clamping device 10, and the mask body 8 is fixed on the tray 2 by the third clamping device 10, so as to facilitate welding. The sensing device 202 is arranged on the material tray 2, after the mask body 8 is placed on the material tray 2, the sensing device 202 sends a signal to the control system, and the control system controls the third clamping device 10 to clamp the mask body. The sensing device 202 is a photoelectric sensor.

As shown in fig. 9 and 10, the third clamping device includes a first cylinder 1001, a bearing plate 1003, a pushing foot 1004 and two clamping hands, the clamping hands are installed on the tray, the bearing plate 1003 is installed on a piston rod 1002 of the first cylinder 1001, the pushing foot 1004 is installed on the bearing plate 1003, the pushing foot 1004 and the clamping hands are both provided with two clamping hands, the two clamping hands are symmetrically installed on the tray, the two pushing feet 1004 are respectively installed at two ends of the bearing plate 1003, one clamping hand corresponds to one pushing foot 1004, and the clamping hands are located above the pushing foot 1004.

The clamping hand comprises a fixing block 1005, a torsion spring 1006 and a clamping head, wherein the fixing block 1005 is fixed on the back of the tray 2 through a screw (referring to fig. 12, the tray is provided with a notch for accommodating the torsion spring and the clamping head), and the torsion spring 1006 is provided with two connecting ends. The chuck comprises a connecting arm 1007 and a pressing arm 1008 connected with the connecting arm 1007, wherein the connecting arm 1007 is provided with a first connecting end and a second connecting end, the first connecting end of the connecting arm 1007 is connected with the pressing arm 1008, so that the chuck forms an L-shaped structure, the middle of the connecting arm 1007 is installed at one end of a fixed block 1005 through a shaft 1009, one connecting end of a torsion spring 1006 is connected with the second connecting end of the connecting arm 1007, the other connecting end of the torsion spring 1006 is connected with the other end of the fixed block 1005, and a push foot 1004 is in contact with the connecting arm 1007. Referring to fig. 9, when the mask body needs to be clamped, the top of the push foot 1004 contacts with the first connection end of the connection arm 1007, the first cylinder 1001 drives the push foot 1004 to move upwards, and further pushes the first connection end of the connection arm 1007, so that the chuck rotates clockwise and presses the mask body through the pressing arm 1008, and the mask body is fixed on a tray (refer to fig. 7); referring to fig. 10, when the mask body needs to be loosened, the top of the push foot 1004 contacts the second connection end of the connection arm 1007, and the first cylinder 1001 drives the push foot 1004 to move upwards, so as to push the second connection end of the connection arm 1007, so that the chuck rotates counterclockwise and the pressing arm 1008 opens the mask body (refer to fig. 8). It should be noted that the first cylinder 1001, the carrying plate 1003 and the pushing foot 1004 shown in fig. 9 are located at different positions on the rack from the first cylinder 1001, the carrying plate 1003 and the pushing foot 1004 shown in fig. 10, and the first cylinder 1001, the carrying plate 1003 and the pushing foot 1004 shown in fig. 9 are located at positions before welding, so as to fix the mask body on the tray for welding; the first cylinder 1001, the carrying plate 1003 and the pushing foot 1004 shown in fig. 10 are located at positions after welding, and are used for loosening the mask body after welding so as to remove the welded mask.

As shown in fig. 11, two limiting plates 201 are symmetrically arranged on the charging tray 2, two chucks are respectively located at the left side and the right side of the charging tray, the two limiting plates 201 are respectively located at the front side and the rear side of the charging tray, and the mask body is located between the two limiting plates.

As shown in fig. 13, the welding apparatus employs ultrasonic welding. The welding device comprises a welding gun 601, a bottom die 602 and a second air cylinder 603, the bottom die 602 is mounted on a piston rod of the second air cylinder 603, the second air cylinder 603 drives the bottom die 602 to move up and down, and the welding gun 601 is located on the outer side of the bottom die 602. The material tray is provided with a through hole for the bottom die to pass through. When the material tray moves to the position of the welding device, the control system controls the second air cylinder 603 to drive the bottom die 602 to ascend, and after the material tray passes through the through hole in the material tray, the bottom die 602 stops at the inner side of the mask body 2, so that an ultrasonic gap is formed between the oblique angle of the bottom die 602 and the gun head of the welding gun 601, the mask body 2 and the connecting belt 9 are welded after ultrasonic waves are generated, and the bottom die descends after welding.

The conveying device 3 comprises a chain wheel and a chain, the chain is installed on the chain wheel, the chain wheel is driven by a motor, a fixed seat is installed on the chain, and the material tray is fixed on the fixed seat.

The shearing device 4, the gripping device and the welding device 6 have two sets, one of which is placed on the left side of the chain. The other group is placed on the right side of the chain, and the two groups are arranged in a staggered mode so as to weld the left connecting belt and the right connecting belt respectively.

The mask production welding mechanism has the following working modes: the operative employee puts the gauze mask body on the charging tray, and third clamping device's tong is in the open mode this moment, and the gauze mask body is put steady back, and induction system sends the signal and gives control system, and control system sends the instruction and gives first cylinder, and first cylinder drive drives the pushing foot and upwards shifts to drive the tong and rotate and compress tightly the gauze mask body, fix the gauze mask body on the charging tray. The charging tray array is installed on the chain of taking the fixing base, and PLC control system control servo motor drive, and then drive the charging tray cyclic motion. Meanwhile, the shearing device clamps one end of the connecting band and shears the connecting band after the shearing device displaces to a set distance length, and thus, one connecting band is cut out. Then, press from both sides two mechanical tong of getting the device, press from both sides the connecting band of cutting off rapidly, two mechanical tong are rotatory, send the connecting band to welding set department, and simultaneously, control system control second cylinder drive drives the die block and rises, two welder push down toward the oblique angle solder joint direction of die block rapidly, form ultrasonic bonding, make the connecting band weld on the gauze mask body, so far, accomplish the welding of gauze mask body one side connecting band, carry to next welding set department by conveyer again, accomplish the welding of gauze mask body opposite side connecting band, so far, two connecting bands of gauze mask body have all accomplished the welding, accomplish the gauze mask welding.

When the charging tray passes through the position of the welding device, the control system controls the servo motor to stop, the welding gun works, the connecting belt and the mask body are welded into a whole, and then the connecting belt and the mask body are conveyed to the discharging position. Meanwhile, the operator manually places the mask body on the material disc, and the mask body is placed on the material disc in a reciprocating mode. Each gauze mask body is all twice through welding set, once welds the left side connecting band, next time welds the right side connecting band, so makes two connecting bands and gauze mask body weld into a whole. Then, the operator takes down the welded mask and puts it in the turnover box, so that all actions are completed, and the work is circulated repeatedly. The automation of feeding, welding and discharging of mask production is realized, the production efficiency of mask connecting belt welding is improved, and the market competitiveness of enterprises is greatly improved. The mask production welding mechanism is simple and convenient to operate, wide in application range and high in production efficiency, and is provided with a PLC (programmable logic controller) and a man-machine operation panel to realize an automatic mode.

The mask production welding mechanism of the utility model is suitable for various mask products, and for different types of masks, only the material disc needs to be replaced, thereby having convenient operation, low cost and outstanding advantages; can be operated by two persons, works simultaneously and has high efficiency. The aluminum alloy structure is adopted, the appearance is attractive, firm and rustless, the computer digital control system is full, the operation interface is simple, and the operation is easy.

The preferred embodiments of the present invention have been described with reference to the accompanying drawings, and those skilled in the art can implement the present invention in various modifications without departing from the scope and spirit of the present invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings of the present invention are included in the scope of the present invention.

Claims

1. A mask production welding mechanism, comprising:

the material tray is used for placing the mask body;

the conveying device is used for conveying the material tray;

the shearing device is used for shearing the connecting belt;

2. The mask production welding mechanism of claim 1, wherein the shearing device comprises a support, two synchronizing wheels, a synchronizing belt, a first motor, a first clamping device, a first guide rail, a first slider and a shearing piece, the two synchronizing wheels are installed on the support at intervals, the synchronizing belt is installed on the two synchronizing wheels, the first motor is connected with one of the synchronizing wheels, the first guide rail is installed on the support, the first slider is installed on the first guide rail, the first clamping device is connected with the synchronizing belt and the first slider, the first clamping device is used for clamping one end of a connecting belt, and the shearing piece is installed on the support and used for shearing the connecting belt.

3. The mask production welding mechanism of claim 2, wherein the cutting device further comprises a first connecting block, the first connecting block is connected with the synchronous belt and the sliding block, and the first clamping device is mounted on the first connecting block.

4. The mask production welding mechanism according to claim 1, wherein the clamping device comprises two mechanical clamping hands, one of the mechanical clamping hands is used for clamping one end of the connecting band, and the other mechanical clamping hand is used for clamping the other end of the connecting band.

5. The mask production welding mechanism according to claim 4, wherein the mechanical gripper comprises a second motor, a second clamping device connected to a rotating shaft of the second motor, and a clamp mounted on the clamping device, the second motor drives the second clamping device to rotate, and the second clamping device drives the clamp to clamp and release the connecting band.

6. The mask production welding mechanism according to claim 5, wherein a rotating shaft of the second motor is connected to the second clamping device through a rotating shaft device.

7. The mask production welding mechanism of claim 6, wherein the rotation shaft device comprises a shaft coupling, a rotation shaft, a bearing seat and a second connecting block, the rotation shaft of the second motor is connected with one end of the rotation shaft through the shaft coupling, the bearing is installed in the bearing seat, the bearing is installed on the rotation shaft, the second connecting block is installed at the other end of the rotation shaft, the second clamping device is connected with the second connecting block, the bearing seat is installed on the motor base, and the second motor is installed on the motor base.

8. The mask production welding mechanism according to claim 1, further comprising a third clamping device, wherein the mask body is fixed on the tray by the third clamping device.

9. The mask production welding mechanism according to claim 8, wherein the third clamping device comprises a first cylinder, a pushing foot and a clamping hand, the clamping hand is installed on the charging tray, and the pushing foot is installed on a piston rod of the first cylinder; the tong includes fixed block, torsional spring and chuck, and the fixed block is installed on the charging tray, the torsional spring has two links, the chuck include the linking arm and with the arm that compresses tightly that the linking arm is connected, the linking arm is installed through the axle on the fixed block, one of them link of torsional spring with the linking arm is connected, another link of torsional spring with the fixed block is connected, push away the foot with the linking arm contact.

10. The mask production welding mechanism of claim 1, wherein said welding means is ultrasonic welding.