CN214271450U

CN214271450U - Cutting-off cutter and reel changing mechanism

Info

Publication number: CN214271450U
Application number: CN202120233444.5U
Authority: CN
Inventors: 谭卫东; 王中荣; 王延启; 涂盛勋; 刘云
Original assignee: Xinlong Holdings Group Co ltd; Yichang Xinlong Hygienic Materials Co ltd
Current assignee: Xinlong Holdings Group Co ltd; Yichang Xinlong Hygienic Materials Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-24
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a cut-off tool, include: the sliding rails are vertically fixed on two sides of the cloth cover; the cutting knife rest horizontally extends below the cloth cover, sliding blocks which are connected with the sliding rails in a sliding mode are fixed at two ends of the cutting knife rest, the cutting knife rest slides along the sliding rails under the driving of the lifting device, and a sliding way is arranged on the top face of the cutting knife rest; the air cutter is fixed on a sliding seat in sliding connection with the slideway and is driven by a pneumatic device; the supporting rod is fixed on the cutter frame, is positioned on two sides of the autogenous cutting knife and is parallel to the slide way, and the top surface of the supporting rod on one side far away from the winding roller is provided with an air injection hole. And local tensioning is realized in the cutting process, so that the cutting operation is performed more smoothly. The utility model also discloses a reel changing mechanism, the cutting off cutter of include still include support and four horizontal equidistant syntropy pivoted drive rollers of installing on the support, the cutting off cutter is installed between two drive rollers in the middle. The rotary driving mode is convenient for loading and unloading, the winding linear velocity is kept constant, and the installation of a cutting knife and the initial winding of a new winding roller are facilitated.

Description

Cutting-off cutter and reel changing mechanism

Technical Field

The utility model relates to a non-woven fabrics production field, the reel change mechanism that is used for the cutting off cutter that cuts off and includes this cutting off cutter when concretely relates to non-woven fabrics rolling is rewound.

Background

After the non-woven fabric is rolled to a preset length, the non-woven fabric needs to be cut off between the output roller and the winding roller, the non-woven fabric is rolled down, a new winding roller is replaced, and the operation is continued after the initial winding is completed. For the cloth cover with decorative patterns, in order to keep the completeness of the decorative patterns, the rotating speed is slow, the radius of the roller cannot be too large, the tension of the cloth cover is insufficient, and the cloth cover cannot be tightened. The cutting efficiency is seriously influenced by the conditions, the subsequent cutting and packaging efficiency cannot be improved, and the production speed of a production line is influenced.

SUMMERY OF THE UTILITY MODEL

To the insufficient air knife of cloth cover tension cut incompletely and the easy problem of rolling into the output roller of end, the utility model provides a cut-off cutter and roll change mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cutting knife comprising:

the sliding rails are vertically and oppositely fixed on two sides of the cloth cover;

the cutting knife rest is positioned below the cloth cover and extends horizontally, two ends of the cutting knife rest are fixedly provided with sliding blocks which are connected with the sliding rails in a sliding manner, the cutting knife rest is driven by the lifting device to slide along the sliding rails, and the top surface of the cutting knife rest is provided with a slideway;

the air cutter is fixed on a sliding seat in sliding connection with the slideway and driven by a pneumatic device to slide along the slideway;

the supporting rod is fixed on the cutter frame, positioned on two sides of the gas cutter, parallel to the slide way, hollow inside the supporting rod on one side far away from the winding roller, provided with a gas orifice on the top surface and communicated with the air blowing device.

When the cloth needs to be cut off and the roll needs to be changed, the cutter frame is driven by the lifting device to ascend along the slide rail, so that the cloth near the air cutter is tightened, the air injection of the air injection holes further promotes the tightening of the cloth, the slide seat rapidly slides through the slide way under the drive of the pneumatic device to cut off the cloth by the air cutter, and the sprayed air avoids the broken end of the cloth from rolling back to the output roller at the moment.

Compared with the prior art, the utility model discloses following beneficial effect has:

and local tensioning is realized in the cutting process, so that the cutting operation is performed more smoothly. The instantaneous direction of the material distribution port is guided while the tension degree is improved by air injection, so that the material distribution port can be conveniently and neatly wound on a new winding roller.

The utility model also discloses a reel changing mechanism, include the cutting off cutter, still include support and four horizontal equidistant syntropy pivoted drive rollers of installing on the support, the cutting off cutter is installed between two drive rollers in the middle.

The cloth roll is located in the third and fourth driving roller gap, the new winding roller is arranged in the first and second driving roller gap, the cloth port is blown up by wind after the cloth is cut off by the cutting-off knife, the cloth roll is immersed between the winding roller and the driving roller under the combined action of the driving roller and the new winding roller, then the cloth roll is wound on the winding roller, a new winding process is started, then the cloth roll is dismounted, and the winding roller is moved into the position where the original cloth roll is located.

the rotation driving mode avoids the direct connection of the winding roller and the bearing, the material can be conveniently fed on the ground without complex disassembly and assembly, the winding linear speed can be kept constant only by keeping the rotating speed of the driving roller constant, the influence of the diameter of the cloth roll on the winding tensioning condition is avoided, and the installation of a cutting knife and the initial winding of a new winding roller are facilitated by the structure.

Drawings

Fig. 1 is a schematic view of a cutting knife according to an embodiment of the present invention.

Fig. 2 is a schematic view of a reel changing mechanism according to an embodiment of the present invention.

In the above drawings: 1. a slide rail; 2. a cutter frame; 3. a slider; 4. an air knife; 5. a slideway; 6. a slide base; 7. a support bar; 8. a gas injection hole; 9. a drive roller; 10. a blowing device; 11. a transfer arm; 12. a groove; 13. an electromagnetic clutch.

Detailed Description

As shown in FIG. 1, the embodiment of the utility model discloses a cutting-off tool, include:

the sliding rails 1 are vertically and oppositely fixed on two sides of the cloth cover;

the cutting knife rest 2 is positioned below the cloth cover and extends horizontally, two ends of the cutting knife rest 2 are fixedly provided with sliding blocks 3 which are connected with the sliding rails 1 in a sliding manner, the cutting knife rest 2 slides along the sliding rails 1 under the driving of the lifting device, and the top surface of the cutting knife rest 2 is provided with a slideway 5;

the air knife 4 is fixed on a sliding seat 6 which is connected with the slideway 5 in a sliding way and driven by a pneumatic device to slide along the slideway 5;

and the supporting rod 7 is fixed on the cutter frame 2, positioned on two sides of the air cutting knife 4, parallel to the slide way 5, hollow inside the supporting rod 7 on one side far away from the winding roller, provided with an air jet hole 8 on the top surface and communicated with the air blowing device.

As shown in fig. 2, the utility model also discloses a reel changing mechanism, include the cutting-off cutter, still include support (not shown in the figure) and four level equidistant equidistance install syntropy pivoted drive roller 9 on the support, the cutting-off cutter is installed between two drive rollers 9 in the middle. The linear speed of the cloth roll is unchanged along with the increase of the diameter of the cloth roll; the bearing does not need to be disassembled, and the coil changing and blanking are convenient; the new winding roller and the driving roller 9 rotate relatively, so that the end face of the cloth is more easily wound between the new winding roller and the driving roller to start new winding, and the initial winding is not realized by simply relying on the friction force on the surface of the winding roller.

Preferably, the roll changing mechanism further comprises an air blowing device 10 fixed on the support above the cutter frame 2, and an air outlet of the air blowing device 10 deviates from the yardage roll. The blowing device 10 and the supporting rod 7 with the air injection holes 8 act together to enable the cut broken cloth ends to be rewound on a new winding roller more quickly.

Preferably, the cover is equipped with the transportation arm 11 of being connected with the axis of rotation on the both ends axis of rotation of two middle drive rollers 9, transport arm 11 one side is opened there is the axle complex recess 12 with the wind-up roll, and the axle card of wind-up roll is gone into in recess 12 when making transportation arm 11 rotate to the wind-up roll is driven by transportation arm 11 and rotates around drive roller 9 and move to adjacent interval from two drive rollers 9 intervals. The transfer arm 11 drives the surface of the winding roller to be still attached to the wrapping surface of the driving roller 9 when being driven to rotate, so that the moving process does not influence the winding of the cloth.

Preferably, an electromagnetic clutch 13 is installed between the transfer arm 11 and the driving roller 9. The electromagnetic clutch 13 is used for driving the driving roller 9 to drive the transfer arm 11 to rotate, so that a driving device is not required to be additionally arranged.

Preferably, the end of the transfer arm 11 on the side close to the roll is extended so that the pair of transfer arms 11 can hit the lower side of the other pair of transfer arms 11 when rotating and rotate back to the initial position due to inertia. The impact of the latter pair of transfer arms 11 resets the former pair of transfer arms 11, the automatic resetting of the former pair of transfer arms 11 makes way for the normal operation of the latter pair of transfer arms 11, and sufficient time is provided for the manual dial-reset of the latter pair of transfer arms 11 after the two-stage movement is completed. An automatic reset mechanism can be additionally arranged according to the requirement.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A cutting knife, comprising:

2. A roll change mechanism is characterized in that: comprising the cutoff knife according to claim 1 further comprising a support and four co-rotating drive rollers mounted horizontally equally spaced on the support, the cutoff knife being mounted between the middle two drive rollers.

3. A reel change mechanism as claimed in claim 2, wherein: the cloth roll cutting device further comprises a blowing device fixed on the support above the cutting knife rest, and an air outlet of the blowing device deviates from the cloth roll.

4. A reel change mechanism as claimed in claim 2, wherein: the cover is equipped with the transportation arm of being connected with the axis of rotation in the both ends axis of rotation of two middle drive rollers, transport arm one side open have with the axle complex recess of wind-up roll, the axle card of wind-up roll goes into in the recess when making the transportation arm rotate to the wind-up roll is transported the arm and is driven around the drive roller and move to adjacent interval from two drive rollers intervals.

5. A reel change mechanism as claimed in claim 4, wherein: the transfer arm with install electromagnetic clutch between the drive roller.

6. A reel change mechanism as claimed in claim 5, wherein: the end part of the transfer arm at one side close to the cloth roll is extended, so that the pair of transfer arms can strike the lower part of the other pair of transfer arms when rotating, and the transfer arms reversely rotate to the initial position due to inertia.