WO2023103249A1

WO2023103249A1 - Control method of cutting device

Info

Publication number: WO2023103249A1
Application number: PCT/CN2022/087310
Authority: WO
Inventors: 张东升; 唐沛; 陈剑
Original assignee: 杭州爱科科技股份有限公司
Priority date: 2021-12-09
Filing date: 2022-04-18
Publication date: 2023-06-15
Also published as: CN113894852A; CN113894852B

Abstract

A control method of a cutting device, comprising: first starting an edge finding mechanism to drive a longitudinal sensor to transversely move, detecting a longitudinal marking line on a material by means of the longitudinal sensor, and stopping the edge finding mechanism after the longitudinal sensor detects the longitudinal marking line; after a longitudinal cutter is provided, starting a feed motor to feed the material at a speed v, detecting the position of a transverse marking line on the material by means of transverse sensors, and calculating the transverse offset of a transverse cutting mounting beam relative to the transverse marking line according to the position of the transverse marking line; and then starting a transverse deviation correction mechanism, and adjusting, according to the transverse offset, the transverse cutting mounting beam for mounting a transverse cutter, such that the transverse cutting mounting beam is parallel to the transverse marking line. According to the control method of the cutting device, automatic transverse deviation correction of the transverse cutting mounting beam is achieved by means of the transverse sensors and the transverse deviation correction mechanism, such that the transverse cutting mounting beam is parallel to the transverse marking line, the deviation is avoided, and the manpower consumption in the deviation correction process is reduced.

Description

A method for controlling cutting equipment

This application claims the priority of the Chinese patent application with the application number 202111495187.3 and the invention title "A Control Method for Cutting Equipment" submitted to the China Patent Office on December 09, 2021, the entire contents of which are incorporated by reference in this application .

technical field

The invention relates to the technical field of cutting equipment, in particular to a control method of cutting equipment.

Background technique

In the advertising, carpet, composite materials and other industries, the post-press products that are printed or printed in batches need to be cut horizontally and vertically, so as to divide the post-press products into small parts. During the cutting process, the placement angle of the base material directly affects the cutting effect. During the cutting process, the cutting line is often inclined due to the inclined placement of the substrate, which affects the quality of the final product, and even causes the product to be scrapped, causing losses to the enterprise.

The existing technology usually requires manual alignment and deviation correction, which often has disadvantages such as low work efficiency, high labor intensity, and large uncertain influencing factors.

Therefore, how to control the cutting equipment for automatic deviation correction is a technical problem urgently needed to be solved by those skilled in the art.

Contents of the invention

The object of the present invention is to provide a control method for cutting equipment, which detects the position of the transverse marking line through a transverse sensor, and calculates the transverse offset of the cross-cut installation beam, and then adjusts the transverse offset of the cross-cut installation beam through the transverse offset. Angle, to achieve horizontal deviation correction, to avoid the accumulation of offset during the cutting process, and to improve the efficiency of deviation correction.

In order to achieve the above object, the present invention provides a control method of cutting equipment, including:

Start the edge-finding mechanism to drive the longitudinal sensor to move laterally, detect the longitudinal marking line on the material through the longitudinal sensor, and stop the edge-finding mechanism when the longitudinal sensor detects the longitudinal marking line;

After the vertical cutter is set, start the feeding motor to convey the material at a speed v, detect the position of the transverse marking line on the material by the transverse sensor, and calculate the lateral offset according to the position of the transverse marking line;

Start the transverse deviation correction mechanism, and adjust the cross-cut installation beam on which the transverse cutter is installed according to the transverse offset.

Preferably, there are two transverse sensors, the transverse installation beam is hinged to the frame, and the transverse deviation correction structure can push the transverse installation beam to rotate around the hinge axis;

Said detecting the position of the transverse marking line through the transverse sensor, and calculating the lateral offset according to the position of the transverse marking line, including:

When one of said lateral sensors first detects said lateral marking line, record a first moment t1;

When another said transverse sensor detects said transverse marking line, record the second moment t2;

According to the formula

Calculate the measurement point deviation Δy;

According to the formula ΔY=Δy*AB/OY, where ΔY is the lateral offset, AB is the distance between the two lateral sensors, and OY is the hinge point O to the adjustment point between the cross-cut installation beam and the frame the distance between.

Preferably, the transverse deviation correction mechanism includes a transverse deviation correction motor, a transverse deviation correction lead screw connected to the transverse deviation correction motor, and a transverse deviation correction seat connected to the cross-cutting installation beam, and the transverse deviation correction seat is provided with the The transverse deviation correcting nut matched with the transverse deviation correcting lead screw;

Said starting the transverse deviation correction mechanism, adjusting the cross-cutting installation beam for installing the transverse cutter according to the said transverse offset, includes:

Start the horizontal deviation correction motor, calculate the pulse number P required for deviation correction according to the formula P=ΔY/m*i*n, and output the current with the pulse number P to the horizontal deviation correction motor, where m is the horizontal deviation correction wire The lead of the rod, n is the number of pulses for one revolution of the lateral correction motor, and i is the speed ratio between the lateral correction motor and the lateral correction lead screw.

Preferably, after said longitudinal cutter is set, it also includes:

Start the longitudinal knife motor;

The calculation of the lateral offset according to the position of the lateral marking line, and the activation of the lateral correction mechanism, and the adjustment of the installation of the transverse cutter between the cross-cutting installation beams according to the lateral offset also include:

Continue to convey the material forward until the horizontal sensor detects the next horizontal marking line, and stop the feeding motor;

Stop the longitudinal knife motor;

Start the horizontal knife motor to complete the horizontal cutting of the material and form a cross-cut semi-finished product;

Start the longitudinal knife motor to complete the longitudinal cutting of the cross-cut semi-finished product to form a product.

Preferably, the step of continuing to convey the material forward until the transverse sensor detects the next transverse marking line includes:

Conveying the material forward for a preset length L, where the preset length L is the distance between the lateral sensor and the lateral cutter;

Continue to convey the material forward until the horizontal sensor detects the next horizontal marking line.

Preferably, the stopping of the edge-finding mechanism after the longitudinal sensor detects the longitudinal marking line further includes:

Record the position of the first longitudinal marking line;

According to the horizontal offset, the horizontal cutting installation beam is rotated and adjusted to install the horizontal cutter, and then further includes:

Record the position of the second longitudinal marking line;

calculating a longitudinal offset according to the position of the first longitudinal marking line and the position of the second longitudinal marking line;

Said starting the transverse deviation correction mechanism rotates the cross-cutting installation beam on which the transverse cutter is installed according to said transverse offset, and then further includes:

Start the longitudinal deviation correction mechanism, and rotate the slitting installation beam on which the longitudinal cutter is installed according to the longitudinal offset;

Repeating the step of calculating the lateral offset according to the position of the lateral marking line.

Preferably, the calculating the longitudinal offset according to the position of the first longitudinal marking line and the position of the second longitudinal marking line includes:

The calculating the longitudinal offset according to the position of the first longitudinal marking line and the position of the second longitudinal marking line includes:

calculating the measurement point deviation ΔX1 according to the position of the first longitudinal marking line and the position of the second longitudinal marking line;

According to the formula ΔX=ΔX1+ΔX2=ΔX1+OX*ΔY/OY, wherein, ΔX is the longitudinal deviation correction amount, ΔX2 is the lateral deviation correction movement amount, and OX is the installation shaft axis of the longitudinal cutter to the cross-cutting installation beam and the frame The distance from the hinge point O of .

Preferably, the starting of the feeding motor to convey the material at a speed v includes:

Adjust the position of the material so that the horizontal marking line is located behind the horizontal sensor;

Control the forward rotation of the feeding motor to convey materials forward at a low speed u, the horizontal sensor detects the horizontal marking line until the horizontal marking line moves to the front of the horizontal sensor, and stops the feeding motor;

Recording the characteristics of the transverse marking line, using the characteristic of the transverse marking line as the basis for the transverse sensor to identify the transverse marking line on the same piece of material;

Control the reverse rotation of the feeding motor until the horizontal marking line moves to the rear of the horizontal sensor, and stop the feeding motor;

The feeding motor is controlled to rotate forward, and the material is forwarded at a speed v, and the low speed u is smaller than the speed v.

In the control method of the cutting equipment provided by the present invention, the edge-seeking mechanism is first started to drive the longitudinal sensor to move laterally, the longitudinal sensor detects the longitudinal marking line on the material, and the edge-seeking mechanism is stopped when the longitudinal sensor detects the longitudinal marking line. After the setting of the longitudinal cutter is completed, start the feeding motor to convey the material at the speed v, and detect the position of the transverse marking line on the material through the transverse sensor. According to the position of the transverse marking line, the transverse direction of the cross-cutting installation beam relative to the transverse marking line can be calculated. Offset. Start the lateral deviation correction mechanism afterwards, and adjust the cross-cutting installation beam that installs the horizontal cutter according to the lateral offset, so that the cross-cutting installation beam is parallel to the horizontal marking line.

The control method of the cutting equipment realizes the horizontal automatic deviation correction of the cross-cut installation beam through the transverse sensor and the transverse deviation correction and purchase, so that the cross-cut installation beam is parallel to the transverse marking line, avoiding deviation, and reducing the manpower consumption in the deviation correction process.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the flowchart of the control method of cutting equipment provided by the present invention;

Fig. 2 is a schematic diagram of the material conveying process of the cutting equipment.

Wherein, the reference signs in Fig. 1 and Fig. 2 are:

Cross cutting installation beam 1, product 2, material 3, vertical cutting installation beam 4, frame 5, horizontal cutter 11, horizontal marking line 21, longitudinal marking line 22, longitudinal cutting knife 41.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Fig. 1 and Fig. 2, Fig. 1 is a flowchart of the control method of the cutting equipment provided by the present invention; Fig. 2 is a schematic diagram of the process of conveying materials by the cutting equipment.

The control method of the cutting equipment provided by the present invention includes:

S1. Start the edge-seeking mechanism to drive the longitudinal sensor to move laterally, detect the longitudinal marking line 22 on the material 3 through the longitudinal sensor, and stop the edge-seeking mechanism when the longitudinal sensor detects the longitudinal marking line 22;

After the cutting equipment is turned on, the material is loaded, and the material 3 is clamped by the nip roller and the feeding roller of the cutting equipment. The feeding roller can rotate under the drive of the feeding motor, and push the material 3 to the horizontal cutter 11 and the longitudinal cutter 41 through friction. Move in the direction in which it is located, that is, to push the material 3 to move forward.

The edge finding mechanism is connected with the frame 5 of the cutting equipment, and can drive the longitudinal sensor to move laterally. The edge-seeking mechanism can adopt a structure such as a cylinder or a screw pair. In a specific embodiment of the application, the edge-seeking mechanism includes an edge-seeking screw, an edge-seeking motor, and a longitudinal sensor mounting seat. The longitudinal sensor mounting seat has a The edge-finding nut matched with the lead screw, the edge-finding motor drives the edge-finding screw to rotate, and then pushes the longitudinal sensor to move laterally. The vertical marking line 22 is constantly detected on the surface of the material 3 while the longitudinal sensor moves. When the longitudinal marking line 22 on the surface of the material 3 is found, the edge-seeking mechanism is finally stopped. At this time, the longitudinal sensor can monitor the longitudinal marking line 22 on the surface of the material 3 and the surrounding area. The longitudinal marking line 22 may have a lateral displacement during cutting and feeding. Usually, the displacement range of the longitudinal marking line 22 will not exceed the monitoring range of the longitudinal sensor.

In addition, the cutting equipment can be equipped with touch screen and other equipment, and the operator can click the options on the touch screen to confirm the steps such as the completion of feeding.

S2. After the setting of the longitudinal cutter 41 is completed, start the feeding motor to convey the material 3 at a speed v, detect the position of the transverse marking line on the material 3 through the transverse sensor, and calculate the transverse offset according to the position of the transverse marking line;

After the longitudinal sensor determines the position of the longitudinal marking line, the position of the longitudinal cutter 41 needs to be adjusted to ensure that the longitudinal cutter 41 corresponds to the position where the material 3 needs to be longitudinally cut. After the operator finishes setting the longitudinal cutter 41, he can confirm it through the touch screen. Then the feeding motor is started, and the feeding motor drives the feeding roller to rotate, and then the material 3 is conveyed at a speed v.

The transverse sensor is installed on the transverse installation beam 1, and the material 3 will pass under the transverse sensor. During the movement of the material 3, the lateral sensor can detect the position of the lateral marking line 21 on the material 3, and as the material 3 moves, the lateral sensor can detect the positions of two different points on the lateral marking line 21, and then calculate the lateral position according to the two points. Offset.

S3. Start the lateral deviation correction mechanism, and adjust the cross-cutting installation beam 1 on which the lateral cutter 11 is installed according to the lateral offset.

The cross-cut installation beam 1 is connected with the frame 5 of the cutting equipment through a hinge shaft, and the cross-cut installation beam 1 can change the angle by rotating around the hinge shaft. When performing horizontal deviation correction, start the horizontal deviation correction mechanism, which can push the end of the cross-cutting installation beam 1 to rotate the cross-cutting installation beam 1, and then make the cross-cutting installation beam 1 parallel to the horizontal marking line 21 on the base material.

Optionally, there may be two transverse sensors in the cutting device, and there is a preset distance between them, and the preset distance is not greater than the minimum width of the material 3, so that the transverse sensor can detect any form of material 3.

The lateral sensor detects the position of the lateral marking line, and the step of calculating the lateral offset according to the position of the lateral marking line may include:

When a transverse sensor first detects the transverse marking line 21, record the first moment t1; when another transverse sensor detects the transverse marking line 21, record the second moment t2.

According to the formula

Calculate the measurement point deviation Δy.

In a specific embodiment of the present application, when the material 3 is conveyed at a speed v, the speed v is constant, that is, the cutting device conveys the material 3 at a constant speed. At this time, the calculation formula of measuring point deviation can be simplified as Δy=(t1-t2)v.

According to the formula ΔY=Δy*AB/OY, where ΔY is the lateral offset, AB is the distance between the two lateral sensors, and OY is the distance between the hinge point O and the adjustment point between the transverse installation beam 1 and the frame 5 distance.

Both AB and OY are related to the model of the cutting equipment, and they are definite values. The lateral offset ΔY can be calculated by bringing the measurement point deviation Δy calculated in the previous step into the formula.

Optionally, the lateral deflection correction mechanism may include a lateral deflection correction motor, a lateral deflection correction lead screw and a lateral deflection correction seat. Wherein, the horizontal deviation correcting lead screw is set along the moving direction of the parallel material 3, the horizontal deviation correcting screw is connected with the transverse deviation correcting motor, the transverse deviation correcting seat is connected with the cross-cutting installation beam 1, and the transverse deviation correcting seat is provided with the horizontal deviation correcting screw to cooperate with Lateral guide nut. The horizontal deviation correction motor drives the horizontal deviation correction lead screw to rotate, and then pushes the horizontal deviation correction seat to move along the moving direction of the material 3, so that the cross-cutting installation beam 1 rotates to a position parallel to the horizontal marking line 21.

During the deviation correction process, electric pulse signals need to be sent to the transverse deviation correction motor. The number of pulses can be calculated according to the formula P=ΔY/m*i*n. After obtaining the number of pulses P, output a current with the number of pulses P to the transverse deviation correction motor. In the formula, m is the lead of the transverse deviation correction screw, n is the number of pulses of the transverse deviation correction motor for one revolution, and i is the speed ratio between the transverse deviation correction motor and the transverse deviation correction screw.

For material 3, in order to ensure the cutting accuracy, the amount of bleeding needs to be reserved. When the material 3 is conveyed at the speed v, the material 3 tends to move to the position of the longitudinal cutter 41 . Therefore, after the longitudinal cutter 41 is set, it also includes starting the longitudinal cutter motor. After the vertical knife motor is started, the material 3 is cut to prevent the vertical knife motor from blocking the material 3 and causing the material 3 to bulge.

In addition, in order to ensure the correction effect, the longitudinal cutting installation beam 4 installed with the longitudinal cutter 41 is connected with the horizontal deviation correction seat through the deviation correction connecting plate. There are mounting plates on both sides of the frame 5 of the cutting equipment, and the deviation correction connecting plate and the transverse deviation correcting seat are located on the On the mounting plate, rollers are arranged between the deviation correction connecting plate and the mounting plate. When the horizontal deviation correction mechanism performs horizontal deviation correction, it can drive the longitudinal cutting installation beam 4 to rotate together. In order to avoid horizontal deviation correction, the vertical cutter 41 causes the material 3 to bulge, so the horizontal deviation correction is performed after the material 3 is cut once. That is, the material cutting process is in the steps of "cutting with the longitudinal cutter 41 and calculating the lateral offset according to the position of the lateral marking line" and "starting the lateral deviation correction mechanism, adjusting the cross-cut installation beam 1 with the lateral cutter 11 according to the lateral offset" between the steps.

The material cutting process includes:

Continue to convey the material 3 forward until the horizontal sensor detects the next horizontal marking line 21, and stop the feeding motor;

During the conveying process, firstly, the material 3 is conveyed forward by a predetermined length L, and the predetermined length L is the distance between the transverse sensor and the transverse cutter 11 . When conveying the material forward to a predetermined length L, the transmission efficiency of the conveying wheel needs to be taken into consideration. Then continue to convey the material forward until the horizontal sensor detects the next horizontal marking line 21, then stop the feeding motor.

After the material 3 moves in place, stop the longitudinal knife motor. Start the cross-knife motor subsequently, and the cross-cutting knife 11 carries out cross-cutting to the material 3 along the cross-cutting position of the material 3 to form a cross-cut semi-finished product. Then start the vertical knife motor, and the cut semi-finished product moves forward under the drive of the vertical knife motor, and the vertical cutter 41 carries out longitudinal cutting to form the product 2 to the cross-cut semi-finished product simultaneously.

The horizontal marking lines 21 are usually set on the surface of the material 3 by means of printing, etc. The horizontal marking lines on different batches of materials often have color differences, and the color differences of the horizontal marking lines 21 may cause the lateral sensor to miss recognition. The feeding motor is thus activated to convey the material 3 at a speed v, including:

Adjust the position of the material 3 so that the horizontal marking line 21 is located behind the horizontal sensor;

If the horizontal marking line 21 is located in front of the horizontal sensor, the feeding motor is first controlled to reverse, and the material 3 is conveyed backward. While conveying, the horizontal sensor continuously detects the horizontal marking line until the horizontal marking line 21 moves behind the horizontal sensor. During the process of conveying the material 3 backward, the conveying speed can be reduced, and the material 3 can be conveyed backward at a speed lower than v, so as to prevent the lateral sensor from missing the lateral marking line 21 . If the lateral marking line 21 is located behind the lateral sensor, then directly enter the next step.

Control the forward rotation of the feeding motor, convey the material 3 forward at a low speed u, the horizontal sensor detects the horizontal marking line 21, until the horizontal marking line 21 moves to the front of the horizontal sensor, stop the feeding motor;

The low speed u is less than the speed v, and when the material 3 moves forward at a low speed u, the lateral sensor can identify the lateral marking line on the surface of the material 3 according to the set width, grayscale and other information of the lateral marking line 21.

Recording the characteristics of the transverse marking line, using the characteristic of the transverse marking line as the basis for the transverse sensor to identify the transverse marking line 21 on the same piece of material 3;

The characteristics of the horizontal marking lines may include information such as width, grayscale or color of the horizontal marking lines, and the characteristics of the horizontal marking lines on the same batch of materials are approximately the same. Therefore, identifying other horizontal marking lines 21 based on the characteristics of the first horizontal marking line on the same roll of material can improve the accuracy of identification.

Control the reverse rotation of the feeding motor until the horizontal marking line 21 moves to the rear of the horizontal sensor, and stop the feeding motor;

During the process of conveying the material 3 backward, it can still be conveyed at a low speed u, so as to prevent the lateral sensor from missing the lateral marking line 21 .

Control the forward rotation of the feeding motor to convey the material 3 forward at the speed v.

Conveying the material 3 forward again can carry out secondary detection on the horizontal marking line 21 .

If the material 3 moves forward by the set length L, and the horizontal sensor does not detect the horizontal marking line 21, then the feeding motor is controlled to reverse. During the reversing process, the transverse sensor continuously detects the position of the transverse marking line, and after the upward transverse marking line 21 of the material 3 moves to the rear of the transverse sensor, the step of conveying the material 3 forward at the speed v is repeated.

In addition, there are often deviations in the longitudinal cutter 41 . After horizontal deflection correction, vertical deflection correction is required. The position of the longitudinal cutter 41 is based on the position where the longitudinal sensor detects the longitudinal marking line 22 during edge finding. Therefore, when the longitudinal sensor detects the longitudinal marking line 22, stopping the edge-seeking mechanism also includes recording the position of the first longitudinal marking line.

Continue to convey the material 3 forward until the next horizontal marking line 21 is detected by the horizontal sensor, then record the position of the longitudinal marking line again to obtain the position of the second longitudinal marking line. The longitudinal offset can be calculated according to the position of the first longitudinal marking line and the position of the second longitudinal marking line.

Optionally, the measurement point deviation ΔX1 can be calculated according to the position of the first longitudinal marking line and the position of the second longitudinal marking line, and then the longitudinal deviation correction amount ΔX can be calculated according to the formula ΔX=ΔX1+ΔX2=ΔX1+OX*ΔY/OY. Wherein, ΔX2 is the lateral deviation correction movement amount, and OY is the distance from the axis of the installation axis of the longitudinal cutter 41 to the hinge point O of the transverse installation beam 1 and the frame 5 .

Carry out vertical deviation correction after horizontal deviation correction, thus start the horizontal deviation correction mechanism, and rotate and install the cross-cut installation beam 1 of the horizontal cutter 11 according to the lateral offset amount and also include:

Start the longitudinal deviation correction mechanism, and rotate the cross-cut installation beam 1 where the longitudinal cutter 41 is installed according to the longitudinal offset.

The longitudinal deviation correction mechanism can also adopt a screw auxiliary mechanism, and the longitudinal deviation correction mechanism includes a longitudinal deviation correction motor, a longitudinal deviation correction lead screw and a longitudinal deviation correction seat. The slitting installation beam 4 is connected with the deviation correction connecting plate through the guide rail, the longitudinal deviation correction screw is parallel to the slitting installation beam 4, and the longitudinal deviation correction seat is connected with the longitudinal deviation installation beam 4, and the longitudinal deviation correction seat has a longitudinal deviation correction nut that cooperates with the deviation correction screw. The longitudinal deviation correction motor drives the longitudinal deviation correction lead screw to rotate, and then promotes the longitudinal cutting installation beam 4 to move.

The control method of the longitudinal deviation correction motor can refer to the horizontal deviation correction motor, and the control can be calculated according to the lead of the longitudinal deviation correction screw, the number of pulses of the longitudinal deviation correction motor for one revolution, and the speed ratio between the longitudinal deviation correction motor and the longitudinal deviation correction screw. The number of pulses for longitudinal deflection.

After the vertical deviation correction is completed, the lateral offset is recalculated according to the position of the next horizontal marking line 21, and the cutting of the material 3 is continued.

In this embodiment, the control method of the cutting device detects the transverse marking line 21 through the transverse sensor, and then calculates the transverse offset of the cross-cutting installation beam 1 . The horizontal deviation correction mechanism drives the deviation correction connecting plate to move according to the lateral offset, so that the cross-cutting installation beam 1 and the vertical cutting installation beam 4 rotate around the hinge axis of the cross-cutting installation beam 1 and the frame 5 . Subsequently, the longitudinal deviation correction mechanism drives the longitudinal cutting installation beam 4 to move laterally according to the longitudinal deviation correction amount, and completes the deviation correction of the cutting equipment. The deviation correction process is carried out automatically, which greatly reduces the manpower consumption and improves the deviation correction efficiency.

It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such relationship between these entities. Actual relationship or sequence.

The control method of the cutting device provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

A control method for cutting equipment, characterized by comprising:

Start the edge-seeking mechanism to drive the longitudinal sensor to move laterally, detect the longitudinal marking line (22) on the material (3) through the longitudinal sensor, and stop the seeking after the longitudinal sensor detects the longitudinal marking line (22) border agency;

After the vertical cutter (41) is set, start the feeding motor to convey the material (3) at a speed v, detect the position of the horizontal marking line on the material (3) through the horizontal sensor, and calculate the lateral offset according to the position of the horizontal marking line quantity;

Start the lateral deviation correction mechanism, and adjust the cross-cut installation beam (1) on which the lateral cutter (11) is installed according to the lateral offset.
The control method according to claim 1, characterized in that there are two lateral sensors, the cross-cut installation beam (1) is hinged to the frame (5), and the lateral deviation correction structure can push the cross-cut The mounting beam (1) rotates around the hinge axis;

Said detecting the position of the transverse marking line through the transverse sensor, and calculating the lateral offset according to the position of the transverse marking line, including:

When one of said lateral sensors first detects said lateral marking line (21), record a first moment t1;

When another said transverse sensor detects said transverse marking line (21), record a second moment t2;

According to the formula
Calculate the measurement point deviation Δy;

According to the formula ΔY=Δy*AB/OY, wherein, ΔY is the lateral offset, AB is the distance between the two lateral sensors, and OY is the distance between the cross-cut installation beam (1) and the frame (5). The distance between the hinge point O and the adjustment point.
The control method according to claim 2, characterized in that, the transverse deviation correction mechanism comprises a transverse deviation correction motor, a transverse deviation correction screw connected to the transverse deviation correction motor, and a transverse deviation correction screw connected to the cross-cutting installation beam (1). A horizontal deviation correction seat, the horizontal deviation correction seat is provided with a horizontal deviation correction nut that cooperates with the horizontal deviation correction screw;

Said starting the transverse deviation correction mechanism adjusts the cross-cut installation beam (1) on which the transverse cutter (11) is installed according to the said transverse offset, including:

Start the horizontal deviation correction motor, calculate the pulse number P required for deviation correction according to the formula P=ΔY/m*i*n, and output the current with the pulse number P to the horizontal deviation correction motor, where m is the horizontal deviation correction wire The lead of the rod, n is the number of pulses for one revolution of the lateral correction motor, and i is the speed ratio between the lateral correction motor and the lateral correction lead screw.
The control method according to claim 2, characterized in that, after said longitudinal cutter (41) is set, it also includes:

Start the longitudinal knife motor;

The calculation of the lateral offset according to the position of the lateral marking line, and the activation of the lateral correction mechanism, according to the lateral offset adjustment between the cross-cut installation beams (1) of the horizontal cutter (11), and include:

Continue to convey the material (3) forward until the horizontal sensor detects the next horizontal marking line (21), and stop the feeding motor;

Stop the longitudinal knife motor;

Start the horizontal knife motor to complete the horizontal cutting of the material (3) to form a cross-cut semi-finished product;

Start the longitudinal knife motor to complete the longitudinal cutting of the cross-cut semi-finished product to form a product (2).
The control method according to claim 4, wherein the continuing to convey the material (3) forward until the lateral sensor detects the next lateral marking line (21), comprises:

transporting the material (3) forward to a preset length L, where the preset length L is the distance between the lateral sensor and the lateral cutter (11);

Continue to convey the material (3) forward until the next horizontal marking line (21) is detected by the horizontal sensor.
The control method according to claim 5, wherein the stopping of the edge-finding mechanism after the longitudinal sensor detects the longitudinal marking line (22) further comprises:

Record the position of the first longitudinal marking line;

The method continues to convey the material (3) forward until the horizontal sensor detects the next horizontal marking line (21), stops the feeding motor, and then further includes:

Record the position of the second longitudinal marking line;

calculating a longitudinal offset according to the position of the first longitudinal marking line and the position of the second longitudinal marking line;

Said starting the transverse deviation correction mechanism, according to said transverse offset, rotates and installs the cross-cutting installation beam (1) of the transverse cutter (11), and then also includes:

Start the longitudinal deviation correction mechanism, and rotate the slitting installation beam (4) that installs the longitudinal cutter (41) according to the longitudinal offset;

Repeating the step of calculating the lateral offset according to the position of the lateral marking line.
The control method according to claim 6, wherein the calculating the longitudinal offset according to the position of the first longitudinal marking line and the position of the second longitudinal marking line comprises:

calculating the measurement point deviation ΔX1 according to the position of the first longitudinal marking line and the position of the second longitudinal marking line;

According to the formula ΔX=ΔX1+ΔX2=ΔX1+OX*ΔY/OY, wherein, ΔX is the longitudinal deviation correction amount, ΔX2 is the lateral deviation correction movement amount, and OX is the installation shaft axis of the longitudinal cutter (41) to the cross-cut installation beam (1) The distance from the hinge point O of the frame (5).
The control method according to any one of claims 1 to 7, characterized in that, starting the feeding motor to convey the material (3) at a speed v includes:

Adjust the position of the material (3) so that the horizontal marking line (21) is located behind the horizontal sensor;

Control the forward rotation of the feeding motor to convey the material (3) forward at a low speed u, and the transverse sensor detects the transverse marking line (21) until the transverse marking line (21) moves to the front of the transverse sensor , stop the feeding motor;

Recording the characteristics of the transverse marking line, using the characteristic of the transverse marking line as the basis for the transverse sensor to identify the transverse marking line (21) on the same piece of material (3);

Control the reverse rotation of the feeding motor until the horizontal marking line (21) moves to the rear of the horizontal sensor, and stop the feeding motor;

The feeding motor is controlled to rotate forward, and the material (3) is conveyed forward at a speed v, and the low speed u is smaller than the speed v.