CN212046034U - A kind of automatic equipment for folding and sealing KN95 masks in half - Google Patents

Abstract

The utility model relates to a KN95 gauze mask doubling and edge sealing automation device, which comprises a gauze mask feeding belt and a gauze mask edge sealing mechanism, wherein a plurality of gauze mask positioning blocks are arranged on the gauze mask feeding belt at even intervals; the edge sealing mechanism is provided with a rotary table which rotates in a stepping mode, and a plurality of groups of mask sheet clamping and folding assemblies are uniformly arranged on the front face of the rotary table along the peripheral edge; the edge sealing mechanism further comprises ultrasonic welding assemblies which are arranged at the two sides of the rotary table respectively and are opposite to the station where the group of mask clamping and folding assemblies are located. The utility model discloses automatic banding equipment utilizes gauze mask piece pay-off area and the accurate centering pay-off of locating piece, recycles terrace die and realizes the gauze mask piece fifty percent discount, carries out ultrasonic bonding to the welding station along with the carousel is rotatory again, links up the pay-off fifty percent discount operation of next gauze mask piece simultaneously, consequently can link up with preceding port cover earlap butt fusion process well, realizes automatic banding operation, reduces the cost of labor, improves production efficiency.

Description

A KN95 mask automatic equipment for folding and sealing

Technical field:

The utility model relates to the technical field of mask production equipment, in particular to a KN95 mask half-folding and edge-sealing automatic equipment.

Background technique:

As an important protective isolation product, masks play an important role in people's daily life and industrial production. Masks have different classifications and different standards according to the occasion and environment of use. Existing KN95 masks often require a lot of manpower to transfer and connect various stations during the production process, so the production efficiency is low and the labor cost is high. Especially when performing ultrasonic edge sealing of mask sheets, manual operation will also cause shortcomings such as inadequate feeding and inaccurate positioning, which is likely to cause a low pass rate of finished masks.

Utility model content:

The purpose of this utility model is to overcome the above-mentioned deficiencies of the prior art, and provide a kind of automatic equipment for folding and sealing KN95 masks in half.

The technical scheme adopted by the utility model is: a KN95 mask half-folding edge-sealing automatic equipment, the automatic edge-sealing equipment comprises a mask sheet feeding belt and a mask sheet edge sealing mechanism arranged at the discharge end of the mask sheet feeding belt,

Wherein, several mask piece positioning blocks are arranged at even intervals on the mask piece feeding belt, and the mask piece positioning block has a positioning end facing the conveying direction;

The edge-sealing mechanism has a turntable that rotates in one step. On the front face of the turntable, there are evenly arranged groups of mask sheet clamping and folding assemblies along the peripheral edge. Each group of mask sheet clamping and folding assemblies includes a punch, an The die corresponding to the die and the clamping cylinder that drives the relative movement of the two;

The edge-sealing mechanism further includes ultrasonic welding components respectively arranged on both sides of the turntable and opposite to the positions where the half-folding components of one group of masks are clamped.

Specifically, the convex mold has a sheet-like metal plate, the bottom of which is mounted on the turntable through a spacer, a screw, and a bushing, and there are limit protruding strips on both sides of the bottom; the concave mold is opposite the convex mold. A slot, the inner side wall of the slot is provided with a strip hole for the screw rod and the bush to pass through, and the bottom of the female die is provided with a connecting part connected with the push rod of the clamping cylinder.

In the present invention, further, an elastic pressing block is arranged in the slot of the female die, and the elastic pressing piece is installed in the slot of the female die through a spring connection and compresses the spring with the extrusion of the male die.

Further, the ultrasonic welding assembly is also provided with a shaping pressure plate that moves synchronously with the ultrasonic mold, and the shaping pressure plates on both sides are closer to both sides of the mask sheet than the ultrasonic welding assembly.

In the utility model, six groups of mask sheet clamping and folding components are evenly arranged on the turntable, that is, six punches, six concave moulds and six clamping cylinders are respectively installed.

The tail end of the mask piece positioning block is fixed on the transmission belt, and the shape of the front end positioning end of the mask piece positioning block is equivalent to the shape of the V-shaped part in the middle of the KN95 mask piece in the unfolded state.

The back of the turntable is provided with a driven wheel connected with the turntable, the driven wheel is connected with the driving wheel through a synchronous belt, and the driving wheel is driven by a stepping motor.

The beneficial effects of the utility model are reflected in the following aspects: the automatic edge banding equipment uses the mask sheet feeding belt and its positioning block to accurately center and feed the material, and then uses the punch and the concave mold to fold the mask sheet in half, and then rotates with the turntable to the welding station. Ultrasonic welding is carried out, and the feeding and folding operation of the next mask piece is connected at the same time, so it can be well connected with the welding process of the front-end mask earband to realize automatic edge sealing operation; the equipment of the utility model can greatly reduce labor costs and improve the unit time. The production capacity of masks and the stability of mask quality.

Description of drawings:

FIG. 1 is a schematic three-dimensional structure diagram of the equipment of the present invention.

FIG. 2 and FIG. 3 are the schematic diagrams of the structure of the concave mold and the convex mold in the present invention, respectively.

Detailed ways:

As shown in Fig. 1-Fig. 3, what the utility model describes is a kind of KN95 mask half-folding edge sealing automatic equipment, this automatic edge sealing device comprises the mask sheet feeding belt 1 and the edge sealing that is arranged on the discharge end of the mask sheet feeding belt 1 Agency 2,

Among them, several mask piece positioning blocks 11 are arranged at even intervals on the mask piece feeding belt 1, and the mask piece positioning block 11 has a positioning end 111 towards the conveying direction; On the fixed mask sheet feeding belt 1, the shape of its front-end positioning end 111 is equivalent to the shape of the V-shaped part in the middle under the unfolded state of the KN95 mask sheet, and the KN95 mask sheet can be accurately positioned in the middle of the mask sheet feeding belt 1 by using this positioning end 111 , so that it is convenient for the mask sheet to be fed into the edge sealing mechanism with an accurate midline position;

The edge banding mechanism 2 has a turntable 21 that rotates in one step. On the front face of the turntable 21, an array of mask sheet clamping and folding assemblies 3 are evenly installed along the peripheral edge, and each group of mask sheet clamping and folding assemblies 3 includes a convex Die 31, a concave die 32 corresponding to the punch 31 and a clamping cylinder 33 that drives the relative movement of the two; the punch 31 and the concave die 32 form a certain gap 301 in the initial state, and when the turntable 21 moves to the gap 301 and the mask When the positioning end 111 of the discharge place of the sheet feeding belt 1 is facing, the mask sheet feeding belt 1 is transmitted step by step, so that the centerline position of the mask sheet a in the unfolded state is just sent into the gap 301 between the punch 31 and the concave mould 32, Then, the punch 31 and the concave die 32 move toward each other, and the punch 31 squeezes the mask sheet into the concave die 32 along the center line of the mask, so that the mask sheet is folded in half; The station is the ultrasonic welding station, and at the same time, the next mask sheet clamping and folding assembly 3 is aligned with the next mask sheet conveyed by the mask sheet feeding belt 1 and receives the material;

The edge banding mechanism 2 also includes an ultrasonic welding assembly 4 (in the present embodiment, the ultrasonic welding assembly 4 is arranged at the position of the position where the mask clamping half-folding assembly 3 is located, which is respectively arranged above or below the turntable. The upper two sides); the ultrasonic welding assembly 4 and the mask sheet are clamped and folded in half, and the exposed part edge is opposite to the welding position, and when the mask sheet b folded in half runs to this station with the turntable 21, the ultrasonic welding assembly 4 is driven in its drive Under the action of the cylinder, the edge of the mask sheet is pressed from both sides for ultrasonic welding. After the welding is completed, the mask is released, and the welded mask is sent to the next station with the turntable 21; Driven by the clamping cylinder 33, the mask is separated, and the welded mask runs to the lower side of the turntable 21, and can automatically fall into the collecting box under the action of its own weight or set a stop bar on the running track to make the mask separate from the die. 32.

Specifically, the punch 31 has a sheet metal plate, the bottom of which is mounted on the turntable 21 through a spacer 311, a screw 312 and a bushing, and the bushing (not shown in the figure) is arranged in the punch 31 Between the side and the cushion block 311, and on both sides of the bottom, there are limiting protruding strips 313; the female mold 32 has a slot 321 opposite to the male mold 31, and the inner side wall of the slot 321 is provided with a bushing and a screw to pass through. The bottom of the concave die 32 is provided with a connecting portion 323 connected to the push rod of the clamping cylinder 33; Under the limiting action of the strip hole 322 and the bushing, the female die 32 moves relative to the male die 31, so that the male die 31 can be inserted into the slot 321 of the female die 32 along the middle part. , Under the clamping action of the punch 31 and the concave die 32 at the midline of the mask sheet, the mask sheet is folded in half along the midline.

In the present invention, further, an elastic pressing block 34 is arranged in the slot 321 of the female die 32. The elastic pressing piece 34 is connected and installed in the slot 321 of the female die 32 through a spring (omitted in the figure) and is connected with the male die. 31 is squeezed to compress the spring. The spring of the elastic pressing block 34 is compressed with the clamping of the punch 31 and the concave die 32. When the punch 31 and the concave die 32 are separated, the elastic pressing block 34 can automatically eject the welded mask c from the concave die 32. So as to realize the automatic demoulding operation.

Further, the ultrasonic welding assembly 4 is also provided with a shaping pressure plate 41 that moves synchronously with the ultrasonic mold, and the shaping pressure plates 41 on both sides are closer to both sides of the mask sheet relative to the ultrasonic welding assembly 4, that is, when ultrasonic welding is performed, the two The shaping pressure plate 41 on the side contacts and presses the mask sheet earlier to ensure more accurate and precise folding of the mask sheet. After the shaping pressure plate 41 is pressed, the ultrasonic mold continues to move closer until ultrasonic welding is performed; there is elasticity between the ultrasonic welding component 4 and the shaping pressure plate 41 Buffered connections.

In the present invention, six groups of mask sheet clamping and folding assemblies 3 are evenly arranged on the turntable 21 , namely, six punch dies 31 , six concave dies 32 and six clamping cylinders 33 are respectively installed. Every time the turntable rotates 60°, the mask sheet or the mask is driven to a station, and the mask sheet can be folded in half, shaped, welded and demolded on the turntable 21 in sequence.

The back of the turntable 21 is provided with a driven wheel 22 connected with the turntable 21 . The driven wheel 22 is connected with the driving wheel 24 through a timing belt 23 , and the driving wheel 24 is driven by a stepping motor (omitted from the figure).

To sum up, the beneficial effects of the present utility model are embodied in the following aspects: the automatic edge banding equipment utilizes the mask sheet feeding belt and its positioning block to accurately center and feed the material, and then utilizes the punch and the concave mold to realize the half-folding of the mask sheet, and then follows the turntable. Rotate to the welding station for ultrasonic welding, and at the same time connect the feeding and folding operation of the next mask piece, so it can be well connected with the welding process of the front-end mask earband to realize automatic edge sealing operation; the equipment of the utility model can greatly reduce labor costs, It improves the mask production capacity per unit time and the stability of mask quality.

It can be understood that the above embodiments are only exemplary embodiments adopted to illustrate the principle of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a KN95 gauze mask fifty percent discount banding automation equipment which characterized in that: the automatic edge sealing device comprises a mask sheet feeding belt and a mask sheet edge sealing mechanism arranged at the discharge end of the mask sheet feeding belt,

the mask piece feeding belt is uniformly provided with a plurality of mask piece positioning blocks at intervals, and each mask piece positioning block is provided with a positioning end facing the conveying direction;

the edge sealing mechanism is provided with a rotary table which rotates in a stepping mode, a plurality of groups of mask clamping and folding assemblies are uniformly arranged on the front face of the rotary table along the peripheral edge, and each group of mask clamping and folding assemblies comprises a male die, a female die corresponding to the male die and a clamping cylinder for driving the male die and the female die to move relatively; a certain gap is formed between the male die and the female die in the initial state;

the edge sealing mechanism further comprises ultrasonic welding assemblies which are arranged at the two sides of the rotary table respectively and are opposite to the station where the mask clamping and folding assembly is arranged.

2. The KN95 gauze mask fifty percent discount banding automation equipment of claim 1, characterized in that: the male die is provided with a sheet metal plate, the bottom of the male die is arranged on the rotary table through a cushion block, a screw and a bushing, and two sides of the bottom of the male die are provided with limiting convex strips; the female die is provided with a slot opposite to the male die, a strip-shaped hole for the screw rod and the lining to penetrate through is formed in the inner side wall of the slot, and a connecting part connected with a push rod of the clamping cylinder is arranged at the bottom of the female die.

3. The KN95 gauze mask fifty percent discount banding automation equipment of claim 1 or 2, characterized in that: an elastic pressing block is arranged in the slot of the female die and is connected with the slot of the female die through a spring to compress the spring along with the extrusion of the male die.

4. The KN95 gauze mask fifty percent discount banding automation equipment of claim 1, characterized in that: and the ultrasonic welding assembly is also provided with shaping pressing plates which synchronously move along with the ultrasonic mode, and the shaping pressing plates on the two sides are closer to the two sides of the mask sheet relative to the ultrasonic welding assembly.

5. The KN95 gauze mask fifty percent discount banding automation equipment of claim 1, characterized in that: six sets of mask piece clamping and folding assemblies are uniformly arranged on the rotary table, namely six male dies, six female dies and six clamping cylinders are respectively installed.

6. The KN95 gauze mask fifty percent discount banding automation equipment of claim 1, characterized in that: the tail end of the mask piece positioning block is fixed on the conveying belt, and the shape of the front end positioning end of the mask positioning block is equivalent to the shape of the V-shaped part at the middle of the KN95 mask piece in the unfolding state.

7. The KN95 gauze mask fifty percent discount banding automation equipment of claim 1, characterized in that: the back of carousel is equipped with the follow driving wheel of being connected with the carousel, passes through the hold-in range from the driving wheel and is connected with the action wheel, and the action wheel is driven by step motor.

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