CN213358111U

CN213358111U - Cutting device for mask machine

Info

Publication number: CN213358111U
Application number: CN202022182016.2U
Authority: CN
Inventors: 邹林明; 夏建峰
Original assignee: Zhangjiagang Guangming Wool Textile Co ltd
Current assignee: Zhangjiagang Guangming Wool Textile Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-04
Anticipated expiration: 2030-09-29

Abstract

The application relates to the technical field of mask machines, in particular to a cutting device for a mask machine, which comprises a pair of symmetrically arranged seat plates, wherein a supporting roller and a knife roller are arranged between the pair of seat plates; the supporting roll and the knife roll are arranged side by side up and down, and the knife roll is positioned above the supporting roll; the circumferential surface of the knife roll is provided with cutting knife lines; and a driving roller for driving the supporting roller to rotate is arranged below the supporting roller, and a pressing roller for applying downward pretightening force to the knife roller is arranged above the knife roller. The knife roll is pressed by the pressing roll, so that the knife roll is more tightly attached to the cloth. This application has thereby improves processingquality's effect of cutting off bottom cloth.

Description

Cutting device for mask machine

Technical Field

The application relates to the technical field of mask machines, in particular to a cutting device for a mask machine.

Background

The mask machine is equipment for producing masks, and comprises the steps of material feeding, wrapping, ultrasonic lace pressing, slicing, ultrasonic ear pressing and automatic blanking, wherein a cutting device is required to be used for cutting in the slicing stage.

The traditional chinese patent with application publication number CN111350074A discloses a mask machine cutting device and a mask machine, wherein the cutting device comprises a knife wheel mechanism and a transmission mechanism. Wherein, drive mechanism is gear drive, and drive mechanism drives break bar mechanism and cuts the gauze mask, utilizes gear direct drive break bar mechanism, reduces the loss of drive power to improve the precision of gauze mask cutting.

In view of the above-mentioned related technologies, the inventor believes that the mask cloth is a soft material, and although the gear transmission can provide high precision, the gear transmission can only provide a fixed cutting depth for the cutter wheel mechanism, and the cloth of the middle bottom layer of the mask cloth is not easily cut.

SUMMERY OF THE UTILITY MODEL

In order to cut off the bottom cloth and improve the processing quality, the application provides a cutting device for a mask machine.

The application provides a cutting device for mask machine adopts following technical scheme:

a cutting device for a mask machine comprises a pair of symmetrically arranged seat plates, wherein a supporting roller and a knife roller are arranged between the pair of seat plates; the supporting roll and the knife roll are arranged side by side up and down, and the knife roll is positioned above the supporting roll; the circumferential surface of the knife roll is provided with cutting knife lines; and a driving roller for driving the supporting roller to rotate is arranged below the supporting roller, and a pressing roller for applying downward pretightening force to the knife roller is arranged above the knife roller.

Through adopting above-mentioned technical scheme, the compression roller pushes down the rotor, makes the rotor comparatively inseparable with the cloth laminating, and the rotor presses the cloth on the backing roll, utilizes convex cutting knife line to cut the cloth. For the mode that utilizes gear drive's precision to improve processingquality, this scheme can cut the cloth of bottom. Thereby improving the processing quality.

Optionally, each vertical spout has all been seted up on the bedplate, the both ends of rotor and pinch roll all are equipped with the bearing frame that slides, each the bearing frame that slides all is located the spout that corresponds.

Through adopting above-mentioned technical scheme, utilize the bearing frame that slides to slide in corresponding the spout, the rotor and the pressure roller can realize sliding from top to bottom.

Optionally, each seat plate is provided with a transverse plate, each transverse plate is provided with a threaded hole, and each threaded hole is internally provided with a pressure regulating screw rod; and each sliding groove is internally provided with a compression spring, the top of each compression spring is abutted against the bottom of the pressure regulating screw rod, and the bottom of each compression spring is abutted against the sliding bearing seat of the compression roller.

Through adopting above-mentioned technical scheme, rotatory pressure regulating screw makes the pressure regulating screw downward and compress compression spring, and the compression spring of compressed obtains elastic potential energy, and compression spring exerts a continuous decurrent pressure to the compression roller of below, makes the compression roller push down the rotor then, makes the rotor comparatively inseparable with the cloth laminating.

Optionally, a pair of pressing bearings is arranged on the pressing roller, and each pressing bearing is abutted to the knife roller.

Through adopting above-mentioned technical scheme, compress tightly and use the pressure bearing to push down the rotor as the intermediate junction spare, the rotor in the rotation can be pushed down to the pressure bearing, follows the rotor and rotates together.

Optionally, a pair of the pressure bearings is symmetrically arranged about the center of the pressure roller.

Through adopting above-mentioned technical scheme, the compress tightly bearing of symmetry setting can apply pressure on the rotor uniformly, reduces the rotor to the condition of one side slope.

Optionally, the driving roller is provided with a driving tooth, and the supporting roller is provided with a driven tooth corresponding to the driving tooth.

By adopting the technical scheme, the driving roller is meshed with the supporting roller through the gear, and the condition that the driving roller and the supporting roller slide relatively is reduced by utilizing the characteristic of high gear transmission precision, so that the precision in processing is ensured.

Optionally, a height-adjusting rod is arranged between the pair of seat plates, and the height-adjusting rod is horizontally arranged.

Through adopting above-mentioned technical scheme, the height before and after the cutting of cloth can be adjusted to the accent pole, and then the angle when adjusting the cloth and being cut.

Optionally, the height-adjusting rods are two groups, and the two groups of height-adjusting rods are respectively arranged on two sides of the knife roll.

Through adopting above-mentioned technical scheme, will heighten the pole setting in the both sides of rotor to adjust the angle before the cloth cutting and after the cutting, in order to obtain good cutting effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setting of rotor and pinch roller, the pinch roller is pushed down the rotor, makes the rotor comparatively inseparable laminate with the cloth, and the rotor presses the cloth on the backing roll, utilizes convex cutting knife line to cut the cloth. For the mode that utilizes gear drive's precision to improve processingquality, this scheme can cut the cloth of bottom. Thereby improving the processing quality;

2. through the setting of increaseing the pole, increaseing the pole and can adjusting the cloth cutting before and the height after the cutting, and then the angle when adjusting the cloth and being cut improves cutting effect, improves processingquality.

Drawings

Fig. 1 is an overall schematic view of a cutting device for a mask machine according to an embodiment of the present application;

fig. 2 is a diagram showing the fitting relationship of the rollers.

Description of reference numerals: 1. a seat plate; 2. a pressure roller; 3. a knife roll; 4. a support roller; 5. a drive roller; 6. a drive motor; 7. a height adjusting rod; 11. a chute; 12. sliding a bearing seat; 13. a transverse plate; 131. a threaded hole; 14. a pressure regulating screw; 15. a compression spring; 16. a semicircular groove; 21. pressing the bearing; 31. cutting knife lines; 32. a stop groove; 33. a synchronizing tooth; 41. a driven tooth; 51. a drive tooth; 71. and connecting the short rods.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses cutting device for mask machine. Referring to fig. 1, the cutting device for the mask machine comprises a pair of symmetrically arranged seat plates 1, and a compression roller 2, a knife roller 3, a support roller 4 and a drive roller 5 are sequentially arranged between the pair of seat plates 1 from top to bottom. Wherein, the knife roll 3 and the back-up roll 4 are arranged side by side from top to bottom, the circumferential surface of the knife roll 3 is provided with cutting knife lines 31, and the mask cloth passes through between the knife roll 3 and the back-up roll 4 and is cut by the knife roll 3. The pressing roller 2 applies downward pretightening force to the knife roller 3, so that the cutting knife lines 31 on the knife roller 3 can be further attached to the mask cloth, and the condition that the bottom cloth cannot be cut is reduced. The driving roller 5 is meshed with the supporting roller 4 through a gear, and the supporting roller 4 drives the cloth to be conveyed forwards.

Referring to fig. 1, each seat plate 1 is provided with a sliding groove 11, and each sliding groove 11 is vertically arranged and extends to the top of the corresponding seat plate 1. Both ends of rotor 3 and compressing roller 2 all are equipped with bearing frame 12 that slides, and each bearing frame 12 that slides all is located the spout 11 that corresponds, and rotor 3 and compressing roller 2 can be followed vertical direction and slided. Each seat plate 1 is provided with a transverse plate 13 above the corresponding sliding chute 11, each transverse plate 13 is provided with a threaded hole 131 communicated with the corresponding sliding chute 11, and each threaded hole 131 is internally provided with a pressure regulating screw 14. All be equipped with pressure spring 15 in each spout 11, each pressure regulating screw 14 all passes screw hole 131, and the bottom of each pressure regulating screw 14 all supports the top that corresponds pressure spring 15, and the bottom of each pressure regulating screw 15 all with the bearing frame 12 looks butt that slides of pinch roll 2. When pretightening force is applied to the knife roll 3, the pressure regulating screw 14 is rotated and the pressing spring 15 is compressed, the pressing spring 15 applies downward pressure to the pressing roll 2, so that the pressing roll 2 presses the knife roll 3, the knife roll 3 presses the supporting roll 4, and cloth passing through the knife roll 3 can be sufficiently cut.

Referring to fig. 2, the pinch roller 2 is provided with a pair of pinch bearings 21, and the pair of pinch bearings 21 is provided symmetrically with respect to the center of the pinch roller 2. The circumferential outer surface of the knife roller 3 is also provided with a stop groove 32 at a position close to the corresponding compression bearing 21, the outer ring of each compression bearing 21 is positioned in the corresponding stop groove 32, and each compression bearing 21 is abutted against the knife roller 3. The pressure roller 2 can press the rotating knife roller 3 by means of the pressure bearing 21 as an intermediate connection.

Referring to fig. 1 and 2, two ends of the support roller 4 are respectively disposed in bearing seats, the support roller 4 is disposed between the pair of seat plates 1 through the bearing seats at the two ends, and the bearing seats are fixedly disposed on the corresponding seat plates 1. One end of the driving roller 5 is connected with a driving motor 6, the driving roller 5 is provided with driving teeth 51, the supporting roller 4 is provided with driven teeth 41 corresponding to the driving teeth 51, and the knife roller 3 is further provided with synchronous teeth 33 corresponding to the driven teeth 41. The gear transmission can obtain good processing precision and reduce the condition that the rollers slip and are staggered mutually.

Referring to fig. 1, a height-adjusting rod 7 is further arranged between the pair of seat plates 1, the height-adjusting rods 7 are horizontally arranged, the height-adjusting rods 7 are divided into two groups, and the two groups of height-adjusting rods 7 are respectively arranged on two sides of the knife roll 3. The cloth is raised by the heightening rod 7 before and after cutting to adjust the angle of the cloth when being cut, so that the knife roller 3 can more fully cut the cloth. Specifically, each bedplate 1 is close to and all is equipped with a plurality of half slots 16 on the lateral wall that corresponds heightening pole 7, and a plurality of half slots 16 are along vertical direction equidistant distribution. Two ends of each heightening rod 7 are respectively provided with an L-shaped connecting short rod 71, one end of each connecting short rod 71 is connected with the corresponding heightening rod 7, and the other end of each connecting short rod 71 is fixed in the corresponding semicircular groove 16 through a bolt.

The implementation principle of the embodiment is as follows: when the mask cloth enters the cutting device from one end of the cutting device, the height of the mask cloth is firstly adjusted by the height-adjusting rod 7, so that the mask cloth enters between the knife roller 3 and the supporting roller 4 at a proper angle. When the cloth passes through the knife roll 3, the supporting roll 4 drives the cloth to move forward, the cutting knife lines 31 on the knife roll 3 cut the cloth, and the pressing roll 2 is pressed on the knife roll 3 to apply pressure to the cloth, so that the cutting knife lines 31 on the knife roll 3 can be tightly attached to the cloth, the cloth is cut sufficiently, and the processing quality is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cutting device for mask machine which characterized in that: the device comprises a pair of symmetrically arranged seat plates (1), wherein a supporting roller (4) and a knife roller (3) are arranged between the pair of seat plates (1); the supporting roll (4) and the knife roll (3) are arranged side by side up and down, and the knife roll (3) is positioned above the supporting roll (4); the circumferential surface of the knife roll (3) is provided with cutting knife lines (31); the lower part of the supporting roller (4) is provided with a driving roller (5) for driving the supporting roller to rotate, and the upper part of the knife roller (3) is provided with a pressing roller (2) for applying downward pretightening force to the knife roller.

2. The cutting device for mask machine according to claim 1, characterized in that: each vertical spout (11) have all been seted up on bedplate (1), the both ends of rotor (3) and pinch roll (2) all are equipped with sliding bearing frame (12), each sliding bearing frame (12) all are located corresponding spout (11).

3. The cutting device for mask machine according to claim 2, characterized in that: each seat plate (1) is provided with a transverse plate (13), each transverse plate (13) is provided with a threaded hole (131), and a pressure regulating screw (14) is arranged in each threaded hole (131); each all be equipped with pressure spring (15) in spout (11), each the top of pressure spring (15) all with the bottom butt of pressure regulating screw (14), each the bottom of pressure spring (15) all with the bearing seat (12) looks butt that slides of compression roller (2).

4. The cutting device for mask machine according to claim 1, characterized in that: the pressing roller (2) is provided with a pair of pressing bearings (21), and each pressing bearing (21) is abutted to the knife roller (3).

5. The cutting device for mask machine according to claim 4, characterized in that: the pair of the pressure bearings (21) is arranged symmetrically with respect to the center of the pressure roller (2).

6. The cutting device for mask machine according to claim 1, characterized in that: the driving roller (5) is provided with a driving tooth (51), and the supporting roller (4) is provided with a driven tooth (41) corresponding to the driving tooth (51).

7. The cutting device for mask machine according to claim 1, characterized in that: a height adjusting rod (7) is arranged between the pair of seat plates (1), and the height adjusting rod (7) is horizontally arranged.

8. The cutting device for mask machine according to claim 7, characterized in that: the height-adjusting rods (7) are divided into two groups, and the two groups of height-adjusting rods (7) are respectively arranged on two sides of the knife roller (3).