阅读说明：本技术 一种kn95口罩高速封边装置 (High-speed banding device of KN95 gauze mask ) 是由 林笛 于 2020-12-28 设计创作，主要内容包括：本发明涉及口罩机领域,尤其涉及一种KN95口罩高速封边装置,它主要解决了现有技术中KN95口罩机的生产效率低的问题,包括机架、支架、刀辊底座、刀辊、两个轴承座以及三个超声波焊接接头,所述刀辊底座固设于机架上,所述刀辊的轴向两端分别通过轴承座设于刀辊底座上,三个所述超声波焊接接头设于支架上,且分布于刀辊的周侧,所述机架与支架之间设有使三个所述超声波焊接接头绕刀辊的中轴线转动的传动装置,所述机架上设有保持三个超声波焊接接头依次对同一口罩实现封边作业的校准装置。(The invention relates to the field of mask machines, in particular to a KN95 mask high-speed edge sealing device which mainly solves the problem of low production efficiency of a KN95 mask machine in the prior art.)

1. The utility model provides a high-speed banding device of KN95 gauze mask which characterized in that: including frame, support, rotor base, rotor, two bearing frames and three ultrasonic bonding joint, the rotor base sets firmly in the frame, the axial both ends of rotor are located the rotor base through the bearing frame respectively on, three on the ultrasonic bonding joint located the support, and distribute in the week side of rotor, it makes threely to be equipped with between frame and the support ultrasonic bonding joint is around the axis pivoted transmission of rotor, be equipped with in the frame and keep three ultrasonic bonding joint to realize the calibrating device of banding operation to same gauze mask in proper order.

2. The high-speed edge banding device for KN95 masks according to claim 1, wherein: the transmission device comprises an arc guide groove arranged on the upper side of the knife roll on the rack, a supporting seat and a driving device arranged on the support along the transverse direction, the central axis of the arc guide groove coincides with the central axis of the knife roll, the free end of the supporting seat is arranged in the arc guide groove in a penetrating mode, a guide device is arranged between the supporting seat and the arc guide groove, and when the equipment runs, the driving device drives the supporting seat to move along the arc guide groove through the guide device and form self-locking.

3. The high-speed edge banding device for the KN95 mask according to claim 2, wherein: the guide device comprises a guide sleeve which is sleeved on the supporting seat and located at the arc-shaped guide groove, a left supporting plate and a right supporting plate are arranged at two axial ends of the guide sleeve respectively, elastic rubber blocks are arranged between the left supporting plate, the right supporting plate and the guide sleeve, an adjusting assembly used for adjusting the compression amount of the elastic rubber blocks at the position is arranged on the upper portion of the right supporting plate, connecting grooves are arranged on the upper side and the lower side of the arc-shaped guide groove in the frame, the curvature of the connecting grooves is the same as that of the arc-shaped guide groove, connecting rods penetrate through the two connecting grooves, two ends of the connecting rods are hinged with the left supporting plate and the right supporting plate respectively, the equipment is in a static state, the left supporting plate and the right supporting plate are abutted against two sides of the frame respectively, and the rubber sleeve deforms slightly under the gravity action of the support and the ultrasonic welding joint, Under the connecting action of the right supporting plate, the friction between the lower end of the left supporting plate, the upper end of the right supporting plate and the rack is increased rapidly, and self-locking is formed.

4. The KN95 mask high-speed edge banding device according to claim 3, wherein: wear-resisting blocks are arranged on the contact surfaces of the lower portion of the left supporting plate and the upper portion of the right supporting plate and the rack.

5. The KN95 mask high-speed edge banding device of claim 4, wherein: adjustment mechanism adjusts the pole including wearing to locate first regulation pole and the second in the right branch fagging, first regulation pole is located the upside that the second adjusted the pole, the fixed first regulating plate that is equipped with of one end of first regulation pole, first regulating plate supports and leans on the inner in elastic rubber piece, the one end that the second adjusted the pole rotationally locates on the first regulating plate, be equipped with the second regulating plate on the second regulation pole slidable, adjust pole threaded connection through nut and second for the second regulating plate supports and leans on the outer end in elastic rubber piece, be equipped with the through-hole that supplies first regulation pole to pass on the second regulating plate.

6. The KN95 mask high-speed edge banding device of claim 5, wherein: the upper surface and the lower surface of uide bushing all are equipped with the guide slot, the middle part of guide slot is equipped with the bracing piece along transverse direction, rotationally there is the leading truck on the bracing piece, rotationally be equipped with the support rotor on the leading truck side by side, each support rotor supports and leans on the side in arc guide slot.

7. The high-speed edge banding device for KN95 masks according to claim 6, wherein: the utility model discloses a support bar, including guide slot, bracing piece, spring, guide slot, both ends of bracing piece are embedded respectively in the spout, all be equipped with the spout on the horizontal both sides face of guide slot, the both ends of bracing piece are inlayed respectively and are located the spout, the bottom that lies in bracing piece and guide slot in the spout is equipped with the spring.

8. The high-speed edge banding device for KN95 masks according to claim 7, wherein: the driving device comprises a rack arranged on the circumferential side of the arc-shaped guide groove, a servo motor arranged on the supporting seat, a driving gear arranged on the servo motor and a driven gear arranged on the supporting seat in a rotating mode, and the driven gear is in meshing transmission with the driving gear and the rack respectively.

9. The high-speed edge banding device for KN95 masks according to claim 8, wherein: and an included angle between a connecting line of a contact point of the driven gear and the driving gear and the circle center of the driven gear and a connecting line of a contact point of the driven gear and the rack and the circle center of the driven gear is 135 degrees.

10. The high-speed edge banding device for KN95 masks according to claim 9, wherein: calibrating device includes the controller, encircles two position sensor of equipartition on the rotor, locates two position sensing receivers on the support, locates the image recognizer in the frame, position sensor, position sensing receiver and image recognizer are connected with the input electricity of controller respectively, servo motor is connected with the output electricity of controller, the control mode:

1) the image recognizer shoots and transmits the pictures of the mask during conveying to the controller, the pictures are compared with the pictures of the mask prestored in the controller, the center point of the shot picture of the mask is searched, and the deviation distance between the material conveying on the current mask production line and the preset mask production line is calculated;

2) the two position sensing receivers respectively detect the two position sensors so as to determine the rotation angle of the knife roll and further determine the specific position of the tooth-shaped blade on the knife roll;

3) the controller controls the rotation angle of the knife roll and the servo motor to control the positions of the three ultrasonic welding joints to correspond to the welding positions of the tooth-shaped blade and the material on the knife roll, and the three ultrasonic welding joints are guaranteed to sequentially realize edge sealing operation on the same mask.

Technical Field

The invention relates to the field of mask machines, in particular to a KN95 mask high-speed edge sealing device.

Background

In 2020, the world suffers from attack of novel coronary pneumonia, and the epidemic situation is very severe. Due to the extremely strong infectivity of the novel coronavirus, the spread rate of the epidemic situation is high, and tens of thousands of people are newly infected every day in the world. The novel coronavirus is mainly transmitted by droplet, excrement and the like. However, human social life is inevitable, and the spread of the novel coronavirus is promoted by human-to-human contact. It is imperative that people be advocated to wear masks correctly, thereby reducing the spread of new coronaviruses. However, the number of people around the world is huge, and the demand of people for masks cannot be met at the current mask production speed. Among the diversified mask products in the market, N95 and medical masks have strong virus defense capacity.

However, because the number of layers of the material layer of the KN95 mask is more than that of the common disposable plane mask, the number of layers is generally 5, the number of layers of the material layer reaches 10 when the mask is folded in half and sealed, the required welding energy is more, the required power of ultrasonic waves is higher, and the power of single ultrasonic wave cannot meet the welding requirement when equipment is produced at high speed, so that the production speed of the conventional KN95 mask machine is kept at 50-60 pieces per minute, and the productivity is lower.

Therefore, through the improvement of the edge banding device of the KN95 mask machine, the welding power required by the equipment in high-speed production is met, the welding effect is ensured, and the production speed of the equipment is further improved.

Disclosure of Invention

Therefore, aiming at the problems, the invention provides a high-speed edge sealing device for a KN95 mask, which mainly solves the problem of low production efficiency of a KN95 mask machine in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high-speed banding device of KN95 gauze mask, includes frame, support, rotor base, rotor, two bearing frames and three ultrasonic welding connects, the rotor base sets firmly in the frame, the axial both ends of rotor are located the rotor base through the bearing frame respectively on, it is three on ultrasonic welding connects locates the support, and distributes in week side of rotor, it makes threely to be equipped with between frame and the support ultrasonic welding connects around the axis pivoted transmission of rotor, be equipped with in the frame and keep three ultrasonic welding to connect and realize the calibrating device of banding operation to same gauze mask in proper order.

Further, transmission just is located the arc guide slot of rotor upside, locates supporting seat and drive arrangement on the support along horizontal direction including locating in the frame, the axis coincidence of arc guide slot and rotor, the free end of supporting seat wears to locate in the arc guide slot, and with be equipped with guider between the arc guide slot, during equipment operation, drive arrangement drive supporting seat passes through guider and follows the motion of arc guide slot to form the auto-lock.

Further, the guiding device comprises a guide sleeve which is sleeved on the supporting seat and located at the arc-shaped guide groove, a left supporting plate and a right supporting plate are arranged at two axial ends of the guide sleeve respectively, elastic rubber blocks are arranged between the left supporting plate, the right supporting plate and the guide sleeve, an adjusting assembly used for adjusting the compression amount of the elastic rubber blocks at the position is arranged on the upper portion of the right supporting plate, connecting grooves are arranged on the upper side and the lower side of the arc-shaped guide groove in the rack, the curvature of the connecting grooves is the same as that of the arc-shaped guide groove, connecting rods are arranged in the two connecting grooves in a penetrating mode, two ends of the connecting rods are hinged with the left supporting plate and the right supporting plate respectively, the equipment is in a static state, the left supporting plate and the right supporting plate are abutted against two sides of the rack respectively, and the rubber sleeve deforms slightly under the gravity action of the support and the, Under the connecting action of the right supporting plate, the friction between the lower end of the left supporting plate, the upper end of the right supporting plate and the rack is increased rapidly, and self-locking is formed.

Furthermore, wear-resisting blocks are arranged on the lower portion of the left supporting plate, the upper portion of the right supporting plate and the contact surface of the left supporting plate and the upper portion of the right supporting plate and the rack.

Further, adjustment mechanism adjusts the pole including wearing to locate first regulation pole and the second in the right branch fagging, first regulation pole is located the upside that the second was adjusted the pole, the fixed first regulating plate that is equipped with of one end of first regulation pole, first regulating plate supports and leans on the inner in the elastic rubber piece, the one end that the second was adjusted the pole is rotationally located on the first regulating plate, be equipped with the second regulating plate on the second was adjusted the pole slidable, adjust pole threaded connection through nut and second for the second regulating plate supports and leans on the outer end in the elastic rubber piece, be equipped with the through-hole that supplies first regulation pole to pass on the second regulating plate.

Furthermore, the upper surface and the lower surface of uide bushing all are equipped with the guide slot, the middle part of guide slot is equipped with the bracing piece along horizontal direction, rotationally there is the leading truck on the bracing piece, rotationally be equipped with the support rotor side by side on the leading truck, each support rotor supports and leans on the side in arc guide slot.

Furthermore, all be equipped with the spout on the horizontal both sides face of guide slot, the both ends of bracing piece are inlayed respectively and are located in the spout, the bottom that lies in bracing piece and guide slot in the spout is equipped with the spring.

Further, drive arrangement is including locating the rack of arc guide slot week side, locate servo motor on the supporting seat, locate the driving gear on the servo motor and rotationally be equipped with the driven gear on the supporting seat, driven gear respectively with driving gear and rack toothing transmission.

Furthermore, an included angle between a connecting line of a contact point of the driven gear and the driving gear and the circle center of the driven gear and a connecting line of a contact point of the driven gear and the rack and the circle center of the driven gear is 135 degrees.

Further, calibrating device includes the controller, encircles two position sensor of equipartition on the rotor, locates two position sensing receivers on the support, locates the image identifier in the frame, position sensor, position sensing receiver and image identifier are connected with the input electricity of controller respectively, servo motor is connected with the output electricity of controller, the control mode:

1) the image recognizer shoots and transmits the pictures of the mask during conveying to the controller, the pictures are compared with the pictures of the mask prestored in the controller, the center point of the shot picture of the mask is searched, and the deviation distance between the material conveying on the current mask production line and the preset mask production line is calculated;

2) the two position sensing receivers respectively detect the two position sensors so as to determine the rotation angle of the knife roll and further determine the specific position of the tooth-shaped blade on the knife roll;

3) the controller controls the rotation angle of the knife roll and the servo motor to control the positions of the three ultrasonic welding joints to correspond to the welding positions of the tooth-shaped blade and the material on the knife roll, and the three ultrasonic welding joints are guaranteed to sequentially realize edge sealing operation on the same mask.

By adopting the technical scheme, the invention has the beneficial effects that: the KN95 mask high-speed edge sealing device has the advantages that when the speed of a mask production line is increased, materials are easy to slide relative to roller bodies such as knife rolls in high-speed conveying, the position of the originally formed mask is deviated, the contact time between the materials and ultrasonic welding joints in high-speed conveying is short, the power of the ultrasonic welding joints is greatly increased, the material layer number of the edge sealing position of the manufactured KN95 mask is far larger than that of a common mask when the mask is subjected to folding edge sealing, therefore, the KN95 mask high-speed edge sealing device realizes edge sealing operation on the same mask by arranging three ultrasonic welding joints in sequence, the ultrasonic welding of the edge sealing area of a single mask is repeated, the connection firmness is good, the total power of the three ultrasonic welding joints is reduced, the processing cost is saved, and the power of the single ultrasonic welding joint is increased, can utilize the relatively less equipment of power to run, reduce the input cost to improve equipment's life, simultaneously, the welding fastness that the ultrasonic welding of cubic formed obviously promotes in the past relatively, rethread calibrating device and transmission, make the position formation adjustment of three ultrasonic welding joint 6, guaranteed welded position uniformity.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a left side view of an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a frame and a driving device according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of a guide device in an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic top view of a guide sleeve according to an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of a guide sleeve in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a calibration device in an embodiment of the invention.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the invention is as follows:

referring to fig. 1, fig. 2, a high-speed banding device of KN95 gauze mask, including frame 1, support 2, rotor base 3, rotor 4, two bearing frames 5 and three ultrasonic bonding connects 6, rotor base 3 sets firmly on frame 1, on rotor base 3 was located through bearing frame 5 respectively at the axial both ends of rotor 4, it is three on ultrasonic bonding connects 6 locates support 2, and distributes in the week side of rotor 4, it makes threely to be equipped with between frame 1 and the support 2 ultrasonic bonding connects 6 around rotor 4's axis pivoted transmission 7, be equipped with in frame 1 and keep three ultrasonic bonding to connect 6 calibration device 8 that realizes the banding operation to same gauze mask in proper order.

When the speed of the mask machine production line is increased, the materials are easy to slide relative to roll bodies such as a knife roll 4 and the like in high-speed conveying, so that the forming position of the originally formed mask is deviated, the contact time between the materials and the ultrasonic welding joint 6 is short in high-speed conveying, the power of the ultrasonic welding joint 6 is required to be greatly increased, the manufactured KN95 mask is subjected to folding edge sealing, the number of material layers at the edge sealing position is far larger than that of a common mask, therefore, the KN95 mask high-speed edge sealing device is used for sequentially realizing edge sealing operation on the same mask by arranging three ultrasonic welding joints 6, the ultrasonic welding is repeatedly carried out on the edge sealing area of a single mask, the connection firmness is good, the design not only reduces the total power of the three ultrasonic welding joints 6 and saves the processing cost, but also the power of the single ultrasonic welding joint 6 can be utilized to operate by equipment, reduce the input cost to improve equipment's life, simultaneously, the welding fastness that the ultrasonic bonding of cubic formed obviously promotes in the past relatively, rethread calibrating device 8 and transmission 7, makes the position formation adjustment of three ultrasonic bonding joint 6, has guaranteed welded position uniformity.

Specifically, referring to fig. 3, 4, 5, 6 and 7, the transmission device 7 includes an arc-shaped guide slot 71 disposed on the frame 1 and located on the upper side of the knife roll 4, a support base 72 disposed on the support 2 along the transverse direction, and a driving device 73, the central axis of the arc-shaped guide slot 71 coincides with the central axis of the knife roll 4, the free end of the support base 72 is disposed in the arc-shaped guide slot 71, and a guiding device 75 is disposed between the free end of the support base 72 and the arc-shaped guide slot 71, when the apparatus is operated, the driving device 73 drives the support base 72 to move along the arc-shaped guide slot 71 through the guiding device 75 and form self-locking, the driving device 73 includes a rack 731 disposed on the peripheral side of the arc-shaped guide slot 71, a servo motor 732 disposed on the support base 72, a driving gear 733 disposed on the servo motor 732, and a driven gear 734 rotatably disposed on, an included angle between a connecting line of a contact point of the driven gear 734 and the driving gear 733 and a circle center of the driven gear 734 and a connecting line of a contact point of the driven gear 734 and the rack 731 and a circle center of the driven gear 734 is 135 °.

The guide device 75 comprises a guide sleeve 751 sleeved on the support base 72 and located at the arc-shaped guide groove 71, guide grooves 752 are respectively arranged on the upper surface and the lower surface of the guide sleeve 751, a support rod 753 is arranged in the middle of the guide groove 752 along the transverse direction, a guide frame 754 is rotatably arranged on the support rod 753, support guide rollers 755 are rotatably arranged on the guide frame 754 in parallel, each support guide roller 755 abuts against the side surface of the arc-shaped guide groove 71, sliding grooves 756 are respectively arranged on the two transverse side surfaces of the guide groove 71, two ends of the support rod 753 are respectively embedded in the sliding grooves 756, springs 757 are arranged at the bottoms of the support rod 753 and the guide groove 756 in the sliding grooves 756, a left support plate 758 and a right support plate 759 are respectively arranged at the two axial ends of the guide sleeve 751, an elastic rubber block 9 is arranged between the left support plate 758, the right support plate 759 and the guide sleeve 751, an adjusting component 10 for adjusting the compression amount of the elastic rubber block 9, connecting grooves 11 are respectively arranged on the upper side and the lower side of the arc-shaped guide groove 71 on the rack 1, the curvature of the two connecting grooves 11 is the same as that of the arc-shaped guide groove 71, connecting rods 12 are respectively arranged in the two connecting grooves 11 in a penetrating manner, two ends of the two connecting rods 12 are respectively hinged with a left supporting plate 758 and a right supporting plate 759, the equipment is in a static state, the left supporting plate 758 and the right supporting plate 759 are respectively abutted against two sides of the rack 1, under the gravity action of the bracket 2 and the ultrasonic welding joint 6, the elastic rubber block 9 is slightly deformed, the deformation amount is rapidly increased by the connecting action of the two connecting rods 12, the left supporting plate 758 and the right supporting plate 759, the friction force between the lower end of the left supporting plate 758 and the rack 1 and the upper end of the right supporting plate 759 is increased to form self-locking, wear-resistant blocks 13 are respectively arranged on the lower part, when the device operates, the servo motor 732 drives the driving gear 733 to drive the driven gear 734 to rotate and to be matched with the rack 731, so that the guide sleeve 751 slides along the arc-shaped guide groove 71, at the moment, the driving gear 733 acts on the torque of the driven gear 734 to enable the supporting seat 2 to generate certain deformation, and then the rectangular structure formed by the connecting rod 12, the left supporting plate 758 and the right supporting plate 759 is combined to enable the rectangular structure to generate deformation, so that the friction force between the lower end of the left supporting plate 758 and the upper end of the right supporting plate 759 and the rack 1 is reduced, self-locking is removed, and the device.

The adjusting mechanism 10 comprises a first adjusting rod 101 and a second adjusting rod 102 which are arranged on the right supporting plate in a penetrating mode, the first adjusting rod 101 is located on the upper side of the second adjusting rod 102, a first adjusting plate 103 is fixedly arranged at one end of the first adjusting rod 101, the first adjusting plate 103 is abutted against the inner end of the elastic rubber block 9, one end of the second adjusting rod 102 is rotatably arranged on the first adjusting plate 103, a second adjusting plate 104 is slidably arranged on the second adjusting rod 102 and is in threaded connection with the second adjusting rod 102 through a nut 105, the second adjusting plate 102 is abutted against the outer end of the elastic rubber block 9, a through hole for the first adjusting rod 101 to pass through is formed in the second adjusting plate 104, and the first adjusting plate 103 and the second adjusting plate 104 clamp the elastic rubber block 9 oppositely through rotating the nut 105 to deform the elastic rubber block 9, so that the right supporting plate 159 is jacked up, and the positions of the three ultrasonic welding joints 6 and the left supporting plate, The friction between the right support plate 159 and the frame 1 is preferably self-locking.

Referring to fig. 8, the calibrating device 8 includes a controller 81, two position sensors 82 uniformly distributed around the knife roll 4, two position sensing receivers 83 disposed on the support 2, and an image identifier 84 disposed on the frame 1, wherein the position sensors 82, the position sensing receivers 83, and the image identifier 84 are respectively electrically connected to an input end of the controller 81, the servo motor 732 is electrically connected to an output end of the controller 81, and the control manner is as follows:

1) the image recognizer shoots and transmits the pictures of the mask during conveying to the controller, the pictures are compared with the pictures of the mask prestored in the controller, the center point of the shot picture of the mask is searched, and the deviation distance between the material conveying on the current mask production line and the preset mask production line is calculated;

2) the two position sensing receivers respectively detect the two position sensors so as to determine the rotation angle of the knife roll and further determine the specific position of the tooth-shaped blade on the knife roll;

3) the controller controls the rotation angle of the knife roll and the servo motor to control the positions of the three ultrasonic welding joints to correspond to the welding positions of the tooth-shaped blade and the material on the knife roll, and the three ultrasonic welding joints are guaranteed to sequentially realize edge sealing operation on the same mask.

In this embodiment, the rotor base 3 includes the rotor connecting seat 31 of setting firmly in frame 1, locates the bottom plate 32 on the rotor connecting seat 31, locates preceding curb plate 33, posterior lateral plate 34, left side board 35 and right side board 36 on the bottom plate 32, be equipped with the mounting groove 37 that is used for installing bearing frame 5 on left side board 35 and the right side board 36, preceding curb plate 33 and posterior lateral plate 34 are U type structure, the effectual intensity that improves rotor base 3 prevents that radial runout and axial from rushing to move at the high-speed rotatory in-process of rotor 4.

In this embodiment, a sliding seat 15 is slidably disposed on the bracket 2 up and down, the three ultrasonic welding joints 6 are disposed on the sliding seat 15, and the position of the sliding seat 15 is adjusted between the sliding seat 15 and the bracket 2 through an adjusting screw 16 and an adjusting nut 17.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.