CN221029239U - High-precision cutting device of mask machine - Google Patents

Abstract

The utility model discloses a high-precision cutting device of a mask machine, which comprises a bottom plate and the like, wherein an output shaft of a motor is connected with a first gear, the first gear is meshed with a rack, the motor is arranged on one side of a first bracket, an upper cutter pillow is arranged in the middle of the first bracket, a lower cutter head is arranged in the middle of a lower cutter plate and below the upper cutter pillow, a screw rod is connected with the bottom end of the lower cutter plate, a worm wheel is sleeved on the screw rod, the worm wheel is meshed with a worm, a second gear is fixed with one end of the worm, the second gear is connected with a third gear through chain transmission, the third gear and a rotary handle are respectively fixed with two ends of a connecting rod, the connecting rod is arranged below the bottom plate through a second bracket, the rack is arranged on a third bracket, and the third bracket is fixed with the bottom plate. The utility model is used for rolling and cutting the mask, and is unlike the traditional overpressure cutting mode, the upper cutter pillow and the lower cutter head have extremely small loss, are not easy to damage, have long service life and are easy to maintain.

Description

High-precision cutting device of mask machine

Technical Field

The utility model relates to a cutting device, in particular to a high-precision cutting device of a mask machine.

Background

The mask machine is used for manufacturing various masks with certain filtering performance through the working procedures of hot pressing, folding forming, ultrasonic welding, scrap cutting, ear belt nose bridge strip welding and the like of the multi-layer non-woven fabrics, and the mask equipment is not a single machine, and needs the matching of a plurality of machines to finish various different working procedures.

The chinese patent with the patent number of 202010283490.6 discloses a mask machine, which comprises a machine body, the starting end of organism is equipped with mask body raw materials feed mechanism, is located mask body raw materials feed mechanism low reaches be equipped with mask body raw materials hem mechanism on the organism, be located mask body raw materials hem mechanism low reaches be equipped with nose bridge line material loading cutting mechanism on the organism, be located be equipped with mask body ultrasonic welding mechanism on the organism of nose bridge line material loading cutting mechanism low reaches, be located mask body ultrasonic welding mechanism low reaches be equipped with cloth type ear belt raw materials material loading cutting mechanism and ear belt raw materials slitter edge collection mechanism on the organism, be located be equipped with ear belt ultrasonic welding mechanism on the organism of ear belt raw materials slitter edge collection mechanism low reaches, be located be equipped with ear belt slitter edge collection mechanism on the organism of ear belt ultrasonic welding mechanism low reaches. The nose bridge wire feeding and cutting mechanism comprises a nose bridge wire roller rotatably mounted on the machine body and a third supporting seat mounted on the machine body, wherein a mounting plate is arranged on the third supporting seat, a cutting base plate is arranged on the mounting plate, a pressing wheel and a cutting wheel driven by a power device are rotatably mounted on the mounting plate at the position corresponding to the cutting base plate, a cutting knife is arranged on the cutting wheel, and the cutting wheel and the pressing wheel are correspondingly arranged up and down with the cutting base plate; and a restriction groove is formed in the cutting base plate at the position corresponding to the cutting wheel, a cushion block is arranged in the restriction groove, a connecting element is arranged between the cushion block and the cutting base plate, and the upper surface of the cushion block and the upper surface of the cutting base plate are arranged in a coplanar manner, so that in work, the nose bridge line is pressed and conveyed through the pressing wheel, and the nose bridge line is cut through a cutting knife on the cutting wheel.

The technical scheme of the patent has the following technical problems: the cutting mechanism cuts by adopting an upper die assembly mode and a lower die assembly mode, so that the problem of overvoltage cutting exists, the cutting knife is easy to damage, the service life is short, and the maintenance is difficult.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a high-precision cutting device of a mask machine.

The utility model solves the technical problems by the following technical proposal: a high-precision cutting device of a mask machine is characterized by comprising a bottom plate, a motor, a first gear, a rack, a first support, an upper cutter pillow, a lower cutter plate, a lower cutter head, a screw rod, a worm gear, a worm, a second gear, a chain, a third gear, a connecting rod, a rotary handle, a second support and a third support.

Preferably, the first bracket is provided with a sliding block, one side of the third bracket, which is positioned on the rack, is provided with a sliding rail, and the sliding block is in sliding connection with the sliding rail.

Preferably, one end of the third support is provided with a first positioning shaft and a second positioning shaft, and a gap for passing through materials is arranged between the first positioning shaft and the second positioning shaft.

Preferably, the first gear is connected with the upper cutter pillow through a connecting shaft.

Preferably, an intermediate plate is arranged below the lower knife plate, the intermediate plate is fixed with the bottom plate through a plurality of struts, and the screw rod penetrates through the intermediate plate.

The utility model has the positive progress effects that:

Firstly, rotate rotatory handle, rotatory handle passes through the lift of screw rod, worm wheel, worm, second gear, chain, third gear, connecting rod regulation lower cutting board to adjust the interval between last knife rest and the lower tool bit, make last knife rest and lower tool bit keep contacting, prop drive first gear rolls along the rack, drive and go up knife rest and lower tool bit cooperation, roll the cutting to the mask, just like traditional excessive pressure cutting mode, go up knife rest, lower tool bit loss is minimum and not fragile, long service life, easy maintenance.

And a sliding block is arranged on the first bracket, a sliding rail is arranged on one side of the third bracket, which is positioned on the rack, and the sliding block is in sliding connection with the sliding rail, so that the first gear is ensured to keep linear rolling on the rack.

Drawings

Fig. 1 is a schematic view of a side structure of a high-precision cutting device of a mask machine according to the present utility model.

Fig. 2 is a schematic view of the other side of the high-precision cutting device of the mask machine according to the present utility model.

Fig. 3 is a schematic structural view of a first gear, an upper cutter rest and other elements in the present utility model.

In the figure: the tool comprises a bottom plate 1, a motor 2, a first gear 3, a rack 4, a first bracket 5, an upper tool rest 6, a lower tool plate 7, a lower tool bit 8, a screw 9, a worm wheel 10, a worm 11, a second gear 12, a chain 13, a third gear 14, a connecting rod 15, a rotary handle 16, a second bracket 17, a third bracket 18, a slide block 19, a slide rail 20, a first positioning shaft 21, a second positioning shaft 22, a connecting shaft 23, an intermediate plate 24 and a strut 25.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, the high-precision cutting device of the mask machine comprises a bottom plate 1, a motor 2, a first gear 3, a rack 4, a first bracket 5, an upper cutter rest 6, a lower cutter plate 7, a lower cutter head 8, a screw 9, a worm wheel 10, a worm 11, a second gear 12, a chain 13, a third gear 14, a connecting rod 15, a rotary handle 16, a second bracket 17 and a third bracket 18, wherein an output shaft of the motor 2 is connected with the first gear 3, the first gear 3 is meshed with the rack 4, the motor 2 is arranged on one side of the first bracket 5, the upper cutter rest 6 is arranged in the middle of the first bracket 5, the lower cutter head 8 is arranged in the middle of the lower cutter plate 7 and is positioned below the upper cutter rest 6, the screw 9 is connected with the bottom end of the lower cutter plate 7, the worm wheel 10 is sleeved on the screw 9, the worm wheel 10 is meshed with the worm 11, one end of the second gear 12 is fixed with the worm 11, the second gear 12 is in transmission connection with the third gear 14 through the chain 13, the third gear 14 and the rotary handle 16 are respectively fixed with two ends of the connecting rod 15, the 15 is arranged on the third bracket 18 through the second bracket 17 and the lower bracket 1 and the third bracket 18.

The first bracket 5 is provided with a sliding block 19, the third bracket 18 is provided with a sliding rail 20 at one side of the rack 4, and the sliding block 19 is in sliding connection with the sliding rail 20, so that the first gear 3 is ensured to keep linear rolling on the rack 4.

One end of the third bracket 18 is provided with a first positioning shaft 21 and a second positioning shaft 22, and a gap for passing through materials is arranged between the first positioning shaft 21 and the second positioning shaft 22, so that the structure is simple and the use is convenient.

The first gear 3 is connected with the upper cutter rest 6 through a connecting shaft 23, so that synchronous rotation is kept.

An intermediate plate 24 is provided below the lower blade 7, the intermediate plate 24 being fixed to the base plate 1 by a plurality of posts 25, the screw 9 passing through the intermediate plate 24, the intermediate plate 24 being for mounting the worm wheel 10.

The working principle of the utility model is as follows: the components of the utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods. During the use, rotate rotatory handle 16, rotatory handle 16 passes through screw rod 9, worm wheel 10, worm 11, second gear 12, chain 13, third gear 14, the lift of cutting board 7 is adjusted to connecting rod 15, thereby adjust the interval between knife rest 6 and the lower tool bit 8, make knife rest 6 and lower tool bit 8 keep contacting, prop 25 drive first gear 3 rolls along rack 4, drive knife rest 6 and lower tool bit 8 cooperation, roll the cutting to the mask, just unlike traditional excessive pressure cutting mode, go up knife rest 6, lower tool bit 8 loss is very little and not fragile, long service life, easy maintenance.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a high accuracy cutting device of mask machine, a serial communication port, it includes bottom plate (1), motor (2), first gear (3), rack (4), first support (5), go up knife rest (6), lower knife board (7), lower tool bit (8), screw rod (9), worm wheel (10), worm (11), second gear (12), chain (13), third gear (14), connecting rod (15), rotatory handle (16), second support (17), third support (18), an output shaft of motor (2) is connected with first gear (3), first gear (3) and rack (4) meshing, motor (2) are installed on one side of first support (5), go up knife rest (6) are installed in the centre of first support (5), lower knife bit (8) are installed in the centre of lower knife board (7) and are located the below of last knife rest (6), the bottom of screw rod (9) and lower knife board (7) is connected, worm wheel (10) cover is on screw rod (9), worm wheel (10) and worm (11) and worm (12) are meshed with third gear (12), between third gear (14) and third gear (14) are fixed through transmission The rotary handles (16) are respectively fixed with two ends of the connecting rod (15), the connecting rod (15) is arranged below the bottom plate (1) through the second bracket (17), the rack (4) is arranged on the third bracket (18), and the third bracket (18) is fixed with the bottom plate (1).

2. The high-precision cutting device of the mask machine according to claim 1, wherein the first bracket (5) is provided with a sliding block (19), one side of the third bracket (18) which is positioned on the rack (4) is provided with a sliding rail (20), and the sliding block (19) is in sliding connection with the sliding rail (20).

3. The high-precision cutting device of the mask machine according to claim 1, wherein one end of the third bracket (18) is provided with a first positioning shaft (21) and a second positioning shaft (22), and a gap for passing materials is arranged between the first positioning shaft (21) and the second positioning shaft (22).

4. The high-precision cutting device of the mask machine according to claim 1, wherein the first gear (3) is connected with the upper cutter pillow (6) through a connecting shaft (23).

5. The high-precision cutting device of the mask machine according to claim 1, wherein an intermediate plate (24) is arranged below the lower knife plate (7), the intermediate plate (24) is fixed with the bottom plate (1) through a plurality of support posts (25), and the screw (9) passes through the intermediate plate (24).