CN216992218U

CN216992218U - Automatic tool setting device of rewinding machine

Info

Publication number: CN216992218U
Application number: CN202221442491.1U
Authority: CN
Inventors: 张海升; 曾照勇
Original assignee: Shandong Kaixin Heavy Machinery Co ltd
Current assignee: Shandong Kaixin Heavy Machinery Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-07-19
Anticipated expiration: 2032-06-10

Abstract

The utility model belongs to the technical field of paper core production, and particularly relates to an automatic tool setting device of a rewinding machine, which comprises a rack, wherein a top knife assembly and a bottom knife assembly are arranged on a base of the rack, a linear guide rail is arranged on the base, a sliding block is arranged on the linear guide rail in a sliding manner, the sliding block is connected with a workbench, the workbench is connected with a linear motor, the workbench of the top knife assembly is connected with a top knife, the workbench of the bottom knife assembly is connected with a bottom knife, and both the top knife and the bottom knife are connected with cutting motors; the workbench is provided with a linear encoder, the slide block is fixedly provided with a linear guide rail clamp, the linear encoder is connected with the PLC, and the PLC is connected with the linear guide rail clamp. According to the utility model, the top knife and the bottom knife are moved by the linear motor, the positioning is carried out by the linear encoder, the locking is carried out by the linear guide rail clamp, the moving tool setting speed is high, the positioning of the linear encoder is more accurate, and the use requirement of the rewinding machine is met.

Description

Automatic tool setting device of rewinding machine

Technical Field

The utility model belongs to the technical field of paper core production, and particularly relates to an automatic tool setting device of a rewinding machine.

Background

In the production process of paper cores, the base paper cores with various diameters and sizes need to be cut into required lengths, and then rewound by a rewinder. The rewinder is a special papermaking device and is used for sequentially rewinding paper rolls produced by a paper machine, and the paper is rewound to form finished paper and leaves a factory. The rewinding machine comprises a top knife and a bottom knife, and the top knife and the bottom knife need to be subjected to knife setting positioning in the using process of the rewinding machine.

The currently used rewinding machine has a slow cutter setting speed, and the bottom cutter spacing and the top cutter spacing usually have certain errors, so that the rewinding machine is not suitable for the requirements of a high-speed paper machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic tool setting device of a rewinding machine, which has high tool setting accuracy and solves the technical problems that the existing rewinding machine has low tool setting speed, errors exist in the bottom knife interval and the fixed knife interval, and the use requirement of the rewinding machine cannot be met.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows:

an automatic tool setting device of a rewinding machine comprises a rack, wherein a base is arranged on the rack and comprises a top cutter base and a bottom cutter base, a top cutter assembly is arranged on the top cutter base in a sliding mode, a bottom cutter assembly is arranged on the bottom cutter base in a sliding mode, the top cutter base and the bottom cutter base are respectively provided with two linear guide rails which are arranged in parallel, each of the top cutter assembly and the bottom cutter assembly comprises a sliding block which is arranged on the linear guide rails in a sliding mode, the sliding blocks are fixedly connected with a workbench, the workbench is fixedly connected with a linear motor, and the linear motors are connected with a PLC;

the linear motor is provided with a motor coil, a magnetic track corresponding to the motor coil is fixedly arranged on the base and is positioned between the two linear guide rails, the motor coil is correspondingly arranged above the magnetic track, a workbench of the top knife assembly is connected with a top knife, a workbench of the bottom knife assembly is connected with a bottom knife, the top knife and the bottom knife are both connected with cutting motors, and the cutting motors are connected with a PLC (programmable logic controller);

the linear encoder is arranged on the workbench, a magnetic stripe corresponding to the linear encoder is arranged below the linear encoder on the rack, a linear guide rail clamp is fixedly arranged on the sliding block, the linear encoder is connected with a PLC, and the PLC is connected with the linear guide rail clamp.

As a further improved technical scheme, the automatic tool setting device of the rewinding machine is further provided with a proximity switch and a photoelectric switch, the proximity switch is installed on the base, a detection plate matched with the proximity switch is arranged on the workbench, and the proximity switch is connected with the PLC;

photoelectric switch is equipped with transmitter and receiver, the transmitter is installed and is close to the base tip at top sword subassembly and bed knife subassembly the bottom of workstation, the receiver is installed be close to the tip position on the base, the receiver is connected PLC.

As a further improved technical scheme, the linear guide rail clamp is a pneumatic guide rail clamp, the pneumatic guide rail clamp is connected with an air pump through an air pipe, an electromagnetic valve is arranged on the air pipe, and the electromagnetic valve is connected with the PLC.

As a further improved technical scheme, one side of the base is provided with a drag chain groove, a drag chain is arranged in the drag chain groove, and an air pipe and a lead connected with a cutting motor are arranged in the drag chain;

and two drag chain grooves are formed in one side, close to the top cutter assembly and the bottom cutter assembly, of the base, and drag chains of the top cutter assembly or the bottom cutter assembly, which are arranged at intervals, are positioned in the same drag chain groove.

As a further improved technical scheme, the position of the top knife is higher than that of the bottom knife, the diameter of the top knife is larger than that of the bottom knife, the top knife and the bottom knife are both provided with baffles, the baffles of the top knife and the baffles of the bottom knife are arranged in parallel relatively, a bent part facing one side of the top knife is arranged at the top end of the baffle of the top knife, the height of the baffle of the bottom knife is smaller than that of the baffle of the top knife, bent parts facing one side of the bottom knife are arranged at the top end and the bottom end of the baffle of the bottom knife, and a connecting line between the axes of the top knife and the bottom knife is perpendicular to the baffles.

As a further improved technical scheme, the bed knife is provided with a dust cover, the dust cover is provided with a dust pipe, the dust pipe is connected with a steel wire hose, and the steel wire hose is connected with a bag-type dust remover.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

according to the automatic tool setting device of the rewinding machine, the top knife base and the bottom knife base are respectively provided with the linear guide rails, the linear guide rails are slidably provided with the sliding blocks, the sliding blocks are connected with the workbench, the workbench is connected with the linear motor, the workbench is provided with the linear encoder, the sliding blocks are connected with the linear guide rail clamp, the top knife and the bottom knife are driven by the linear motor to move, the top knife and the bottom knife are positioned by the linear encoder sensing magnetic stripes, the linear guide rail clamp is used for locking, the top knife and the bottom knife are controlled by the PLC, the automation degree is high, the moving tool setting speed is high, the linear encoder is positioned more accurately, and the use requirements of the rewinding machine are met.

Set up proximity switch and photoelectric switch, the range of movement of restriction top sword and bed knife, set up proximity switch, prevent adjacent top sword or bed knife subassembly collision each other, set up photoelectric switch, avoid being close to the top sword subassembly or the bed knife subassembly of base tip and break away from linear guide, when top sword subassembly and bed knife subassembly are close to proximity switch or trigger photoelectric switch, proximity switch and photoelectric switch can send corresponding signal to PLC, PLC sends control command in view of the above, prevent adjacent top sword or bed knife subassembly collision each other and the top sword subassembly or the bed knife subassembly that are close to the base tip and break away from linear guide.

During the specific use, at first, through the corresponding position of each top sword and bed knife of PLC setting, then PLC sends the running command to linear electric motor, linear electric motor operation drives top sword or bed knife and removes, top sword and bed knife removal in-process, linear encoder detects top sword and bed knife positional information, and with these information transmission to PLC, PLC further sends relevant instruction according to the positional information of received top sword and bed knife, in the motion process, after top sword and bed knife surpassed certain movement range, proximity switch is triggered, can send corresponding signal to PLC, PLC sends the pincers system locking instruction to linear guide clamp system ware, photoelectric switch is triggered, also can send the signal to PLC, PLC sends control command in view of the above.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

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

FIG. 3 is a sectional view taken along line A-A in FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic diagram showing the positions of the proximity switch and the electro-optical switch as viewed from the left in FIG. 4;

in the attached drawings, 1-a rack, 2-a top knife assembly, 3-a bottom knife assembly, 41-a top knife base, 42-a bottom knife base, 5-a linear guide rail, 6-a slide block, 7-a workbench, 8-a linear motor, 81-a magnetic track, 82-a motor coil, 9-a top knife, 10-a bottom knife, 11-a linear encoder, 12-a linear guide rail clamp, 13-a cutting motor, 14-a proximity switch, 15-a photoelectric switch, 151-a transmitter, 152-a receiver, 16-a drag chain, 17-a baffle and 18-a detection board.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

As shown in fig. 1 to 5, the automatic tool setting device for the rewinding machine comprises a frame 1, wherein a base is arranged on the frame, the base comprises a top knife base 41 and a bottom knife base 42, the top knife base 41 is provided with a plurality of top knife assemblies 2 in a sliding manner, the bottom knife base 42 is provided with a plurality of bottom knife assemblies 3 in a sliding manner, the top knife assemblies and the bottom knife assemblies are arranged in a one-to-one correspondence manner, as shown in fig. 1 and 2, the top knife assemblies and the bottom knife assemblies are respectively provided with 8, which are only used for illustration and are not specifically limited, the top knife base 41 and the bottom knife base 42 are respectively provided with two linear guide rails 5 arranged in parallel, each of the top knife assemblies 2 and the bottom knife assemblies 3 comprises a sliding block 6 slidably mounted on each linear guide rail 5, each sliding block 6 is fixedly connected with a working table 7, each working table 7 is fixedly connected with a linear motor 8, and each linear motor 8 is connected with a PLC;

the linear motor 8 is provided with a motor coil 82, magnetic tracks 81 corresponding to the motor coil 82 are respectively fixedly arranged on the base, the magnetic tracks 81 are positioned between the two linear guide rails 5, the motor coil 82 is correspondingly arranged above the magnetic tracks 81, the workbench 7 of the top knife assembly 2 is connected with the top knife 9, the workbench 7 of the bottom knife assembly 3 is connected with the bottom knife 10, the top knife 9 and the bottom knife 10 are both connected with a cutting motor 13, the cutting motor 13 is connected with a PLC (programmable logic controller), and particularly, the cutting motor 13 is preferably a servo motor;

be equipped with linear encoder 11 on workstation 7, the below that lies in linear encoder 11 in frame 1 is equipped with the magnetic stripe that corresponds with linear encoder 11, and every top sword subassembly and bed knife subassembly all correspond and set up linear encoder 11 and magnetic stripe, and 6 fixed linear guide clamp 12 that are equipped with of slider, PLC is connected to linear encoder 11, and PLC connects linear guide clamp 12.

In this embodiment, be equipped with linear guide 5 on top sword base 41 and the bed knife base 42 respectively, linear guide 5 slides and is equipped with slider 6, slider 6 connects workstation 7, linear electric motor 8 is connected to workstation 7, be equipped with linear encoder 11 on the workstation 7, linear guide clamp 12 is connected to slider 6, the removal of top sword 9 and bed knife 10 is driven through linear electric motor 8, top sword 9 and bed knife 10 are fixed a position through linear encoder 11 response magnetic stripe, carry out the locking through linear guide clamp 12, all through PLC control, the degree of automation is high, it is fast to remove the tool setting, and linear encoder 11 fixes a position more accurately, satisfy the operation requirement of machine.

In the embodiment, the automatic tool setting device of the rewinding machine is further provided with a proximity switch 14 and a photoelectric switch 15, the proximity switch 14 is installed on a base, a detection plate 18 matched with the proximity switch 14 is arranged on the workbench 7, the proximity switch 14 is connected with a PLC, and except for a top knife assembly and a bottom knife assembly close to the end portion of the base, the other top knife assembly and bottom knife assembly are correspondingly provided with proximity switches;

photoelectric switch 15 is equipped with transmitter 151 and receiver 152, transmitter 151 is installed in the bottom that top sword subassembly 2 and bed knife subassembly 3 are close to workstation 7 of base tip, receiver 152 is installed and is close to the tip position on the base, PLC is connected to receiver 152, when transmitter 151 and receiver 152 position right-hand time, the light signal of transmitter transmission is received by the receiving area, the receiver signals to PLC, PLC received signal back, send the locking instruction, with top sword subassembly or bed knife subassembly locking, avoid it to break away from linear guide.

In this embodiment, when top sword subassembly and bed knife subassembly are close to proximity switch or trigger photoelectric switch, proximity switch and photoelectric switch can send corresponding signal to PLC, PLC sends control command in view of the above, make the linear electric motor that top sword and bed knife correspond stop and locking or reverse operation, avoid adjacent top sword or bed knife subassembly to collide each other, prevent that top sword subassembly or bed knife subassembly that is close to the base tip from breaking away from linear guide, it is visible, proximity switch and the setting of photoelectricity division light all are the home range that is used for restricting top sword and bed knife.

In this embodiment, the linear guide rail clamp 12 is a pneumatic guide rail clamp, the pneumatic guide rail clamp is connected to the air pump through an air pipe, the air pipe is provided with an electromagnetic valve, the electromagnetic valve is connected to the PLC, and when a locking instruction needs to be sent, the PLC sends a corresponding control instruction to the electromagnetic valve, so that the pneumatic guide rail clamp operates to lock the slider on the linear guide rail.

In this embodiment, one side of base is equipped with the tow chain groove, and the tow chain inslot is equipped with tow chain 16, is equipped with the trachea in the tow chain 16 and the wire of being connected with cutting motor, specifically, the one side that is close to top sword subassembly and end sword subassembly on the base is equipped with two tow chain grooves 16, and the tow chain of the top sword subassembly that the interval set up or end sword subassembly is located same tow chain inslot, rationally accomodates trachea and wire, makes at the tool setting in-process, avoids trachea and wire intertwine and damage.

In this embodiment, the position of top sword 9 is higher than the position of bed knife 10, the diameter of top sword 9 is greater than the diameter of bed knife 10, top sword 9 and bed knife 10 all are equipped with baffle 17, the baffle 17 of top sword 9 and the relative parallel arrangement of baffle 17 of bed knife 10, form the clearance that is used for cutting the refill between the baffle of the top sword that corresponds the setting and the baffle of bed knife, the top of the baffle 17 of top sword 9 is equipped with the kink towards top sword 9 one side, the height that highly is less than the baffle 17 of top sword 9 of baffle 17 of bed knife 10, the top and the bottom of the baffle 17 of bed knife 10 all are equipped with the kink towards bed knife 10 one side, the line between the axle center of top sword 9 and bed knife 10 sets up with baffle 17 is perpendicular, be convenient for the cutting of guide refill.

Specifically, the bed knife 10 is provided with a dust cover, the dust cover is provided with a dust pipe, the dust pipe is connected with a steel wire hose, and the steel wire hose is connected with a bag-type dust remover and used for absorbing and treating dust such as paper scraps generated in the cutting process.

When the paper core cutting device is used specifically, firstly, according to the specification and the cutting requirements of a paper core to be cut, the positions of the top cutter and the bottom cutter are set through the PLC, then the PLC sends an operation instruction to the linear motor, the linear motor drives the top cutter or the bottom cutter to move, in the moving process of the top cutter and the bottom cutter, the linear encoder detects the position information of the top cutter and the bottom cutter, the information is transmitted to the PLC, the PLC further sends a related instruction according to the received position information of the top cutter and the bottom cutter until the proper position is reached, in the moving process, after the top cutter and the bottom cutter exceed a certain moving range, the proximity switch is triggered, a corresponding signal can be sent to the PLC, the PLC sends a clamping locking instruction to the linear guide rail clamp, when the photoelectric switch is triggered, the signal can also be sent to the PLC, and the PLC sends a control instruction accordingly.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An automatic tool setting device of a rewinding machine comprises a rack, wherein a base is arranged on the rack, the base comprises a top cutter base and a bottom cutter base, a top cutter assembly is arranged on the top cutter base in a sliding mode, and a bottom cutter assembly is arranged on the bottom cutter base in a sliding mode;

the linear motor is provided with a motor coil, a magnetic track corresponding to the motor coil is fixedly arranged on the base, the magnetic track is positioned between the two linear guide rails, the motor coil is correspondingly arranged above the magnetic track, a workbench of the top knife assembly is connected with a top knife, a workbench of the bottom knife assembly is connected with a bottom knife, the top knife and the bottom knife are both connected with a cutting motor, and the cutting motor is connected with a PLC (programmable logic controller);

2. The automatic tool setting device of the rewinding machine as claimed in claim 1, further comprising a proximity switch and a photoelectric switch, wherein the proximity switch is mounted on the base, the workbench is provided with a detection plate matched with the proximity switch, and the proximity switch is connected with the PLC;

3. The automatic tool setting device of a rewinding machine as claimed in claim 2, wherein the linear guide rail clamp is a pneumatic guide rail clamp, the pneumatic guide rail clamp is connected with an air pump through an air pipe, an electromagnetic valve is arranged on the air pipe, and the electromagnetic valve is connected with the PLC.

4. The automatic tool setting device of the rewinding machine as claimed in any one of claims 1 to 3, wherein a drag chain groove is formed in one side of the base, a drag chain is arranged in the drag chain groove, and an air pipe and a lead connected with a cutting motor are arranged in the drag chain;

5. The automatic cutter setting device of a rewinding machine as claimed in any one of claims 1 to 3, wherein the top knife is higher than the bottom knife, the top knife is larger than the bottom knife in diameter, the top knife and the bottom knife are both provided with a baffle, the baffle of the top knife and the baffle of the bottom knife are arranged in parallel, a bent part facing one side of the top knife is arranged at the top end of the baffle of the top knife, the baffle of the bottom knife is smaller than the baffle of the top knife in height, bent parts facing one side of the bottom knife are arranged at the top end and the bottom end of the baffle of the bottom knife, and a connecting line between the axes of the top knife and the bottom knife is perpendicular to the baffles.

6. The automatic tool setting device of a rewinding machine as claimed in claim 5, characterized in that the bed knife is provided with a dust cover, the dust cover is provided with a dust pipe, the dust pipe is connected with a steel wire hose, and the steel wire hose is connected with a bag-type dust remover.