CN-121972993-A - Method for trimming cutter by hardware coil trimming equipment

CN121972993ACN 121972993 ACN121972993 ACN 121972993ACN-121972993-A

Abstract

The invention provides a method for trimming a cutter by hardware coil trimming equipment, which comprises the steps of setting a target clearance value, calculating a driving displacement amount required by a lateral trimming screw based on a difference value between the target clearance value and a current clearance value, generating a control instruction according to the driving displacement amount so as to drive and rotate the lateral trimming screw, and controlling the locking screw to execute locking action after driving is completed. The invention has the following effects of improving the equipment debugging efficiency, greatly reducing the intensity of the debugging equipment and greatly reducing the defective rate of products in the debugging process.

Inventors

WU BINGSONG
LI XIAOHE
WU CANKUN

Assignees

惠州兴通成机电技术有限公司

Dates

Publication Date: 20260505
Application Date: 20251212

Claims (10)

1. A method for trimming a cutter by a hardware roll trimming device, characterized in that the method for trimming a cutter by a hardware roll trimming device is applied to a cutter trimming device, and the cutter trimming device comprises: A bottom plate; the fine adjustment fixing plate is fixed on the bottom plate through a nut; the fine adjustment moving plate and the fine adjustment fixing plate are respectively provided with I-shaped grooves matched with each other, and the fine adjustment moving plate and the fine adjustment fixing plate are connected in a sliding way through the I-shaped grooves; the lateral fine adjustment screw is arranged on one side of the fine adjustment moving plate and used for driving the fine adjustment moving plate to move along the direction of the I-shaped groove; The locking screw is used for fixing the position of the fine adjustment moving plate after the adjustment is completed; the method for trimming the cutter by the hardware coil trimming equipment comprises the following steps: setting a target clearance value, and calculating the driving displacement amount required by the lateral fine adjustment screw based on the difference value between the target clearance value and the current clearance value; generating a control instruction according to the driving displacement amount so as to drive and rotate the lateral fine adjustment screw; And after the driving is finished, controlling the locking screw to execute locking action.
2. The method for trimming a cutter by a hardware roll trimming device according to claim 1, wherein the setting a target clearance value, calculating a required driving displacement amount of the lateral trimming screw based on a difference between the target clearance value and a current clearance value, comprises: Calculating the required linear movement quantity delta L of the screw, wherein delta L=delta T/k, delta T is the difference value between the target clearance value and the current clearance value, and k is the transmission ratio; Calculating the required screw rotation number N, wherein N=delta L/P=delta T/(k×P), and P is the lead of the lateral fine tuning screw; calculating a required screw rotation angle Δθ, Δθ=n×360° = (Δt×360 °)/(k×p); The required driving displacement of the lateral trimming screw is calculated through the required screw rotation angle and/or the required screw rotation number of the lateral trimming screw.
3. The method for trimming a cutter by using the hardware coil trimming device according to claim 2, wherein the calculating the required linear movement amount Δl of the screw includes: Setting a target gap value T_target; And calculating a difference value delta T between the target gap value and the current gap value, wherein delta T=T_target-T_current, and T_current is the current gap value.
4. The method for trimming a cutter by a hardware roll trimming device according to claim 2, wherein the setting a target clearance value, calculating a required driving displacement amount of the lateral trimming screw based on a difference between the target clearance value and a current clearance value, further comprises: Establishing a corresponding relation table of delta T and delta theta; and checking the corresponding relation table according to the delta T to obtain the nearest delta theta so as to eliminate the system error.
5. The method for trimming a cutter by a hardware coil trimming apparatus according to claim 2, wherein the generating a control command to drive and rotate the lateral trimming screw according to the driving displacement amount includes: transmitting pulse signals and direction level signals, wherein the pulse number is calculated by delta theta and a step angle, each pulse signal corresponds to a micro-step angle, or Data packets including delta theta and/or N are sent over a fieldbus or burst interface.
6. The method for trimming a cutter of a hardware coil trimming apparatus of claim 5 wherein the generating a control command to drive the rotating the lateral trimming screw based on the driving displacement amount further comprises: and feeding back the position information of the lateral fine adjustment screw in real time.
7. The method for trimming a cutter by using the hardware coil trimming device according to claim 6, wherein the real-time feedback of the position information of the lateral trimming screw comprises: Real-time feedback of the actual rotation angle of the motor is performed through a rotary encoder arranged on the motor; comparing the actual rotation angle with a preset target position; If the actual position deviates from the target position, an adjusting signal is output to ensure that the motor finally and stably and accurately stops at the target position.
8. The method for trimming a cutter by using the hardware coil trimming device according to claim 2, wherein the controlling the locking screw to perform the locking action after the driving is completed comprises: Executing a locking action; feeding back the real-time torque or the rotation angle to a control unit; And determining that locking is completed when the fed-back real-time torque reaches a preset target torque or when the fed-back rotation angle reaches a preset target angle.
9. The method for trimming a cutter of a hardware coil trimming device according to claim 8, wherein after the driving is completed, controlling the locking screw to perform a locking action further comprises: and managing the locked state.
10. The method for trimming a cutter of a hardware coil trimming device of claim 9 wherein the managing the locked state comprises: the adjusting motor and the locking motor are in a maintaining or power-off state; the key parameters of the current adjustment are stored in a log; And before the locking state is confirmed, the starting of the processing flow of the main equipment is forbidden to ensure the safety.

Description

Method for trimming cutter by hardware coil trimming equipment Technical Field The invention relates to the technical field of hardware processing equipment, in particular to a method for trimming a cutter by hardware coil trimming equipment. Background In the continuous trimming processing of a hardware coiled material, the gap between a blade and a rotary cutter head is a key parameter affecting the quality of a cut, the size of burrs of a product and the service life of a cutter. At present, an adjusting mode for coarsely adjusting a gap by integrally moving a cutter bar bracket is commonly adopted in the industry. The traditional method has the obvious defects that firstly, the adjustment process depends on experience of operators, the precision is low, the repeatability is poor, secondly, the rigidity of an adjustment mechanism is insufficient, gap change is easy to cause in processing, the stability is poor, secondly, the manual adjustment is long in time consumption, the equipment utilization rate and the production efficiency are seriously affected, and finally, the improper adjustment is extremely easy to cause knife edge damage or generate a large number of burrs, so that the reject ratio of products is high. Meanwhile, when the clearance between the blade and the rotary cutterhead is adjusted by means of the up-and-down movement of the cutter bar support, the adjusting effect is poor and unstable. The time consumption is long when adjusting the clearance in production, and the product reject ratio is high. Disclosure of Invention The invention aims to provide a method for trimming a cutter by hardware coil trimming equipment, which is used for solving the problems of low precision, poor repeatability, poor stability, serious influence on equipment utilization rate, production efficiency and high reject ratio in the prior art. The invention provides a method for trimming a cutter by hardware coil trimming equipment, which is applied to a cutter trimming device, and comprises the following steps: A bottom plate; the fine adjustment fixing plate is fixed on the bottom plate through a nut; the fine adjustment moving plate and the fine adjustment fixing plate are respectively provided with I-shaped grooves matched with each other, and the fine adjustment moving plate and the fine adjustment fixing plate are connected in a sliding way through the I-shaped grooves; the lateral fine adjustment screw is arranged on one side of the fine adjustment moving plate and used for driving the fine adjustment moving plate to move along the direction of the I-shaped groove; The locking screw is used for fixing the position of the fine adjustment moving plate after the adjustment is completed; the method for trimming the cutter by the hardware coil trimming equipment comprises the following steps: setting a target clearance value, and calculating the driving displacement amount required by the lateral fine adjustment screw based on the difference value between the target clearance value and the current clearance value; generating a control instruction according to the driving displacement amount so as to drive and rotate the lateral fine adjustment screw; And after the driving is finished, controlling the locking screw to execute locking action. The setting a target clearance value, calculating a driving displacement amount required by the lateral fine adjustment screw based on a difference value between the target clearance value and a current clearance value, including: Calculating the required linear movement quantity delta L of the screw, wherein delta L=delta T/k, delta T is the difference value between the target clearance value and the current clearance value, and k is the transmission ratio; Calculating the required screw rotation number N, wherein N=delta L/P=delta T/(k×P), and P is the lead of the lateral fine tuning screw; calculating a required screw rotation angle Δθ, Δθ=n×360° = (Δt×360 °)/(k×p); The required driving displacement of the lateral trimming screw is calculated through the required screw rotation angle and/or the required screw rotation number of the lateral trimming screw. The calculating the required screw linear movement amount delta L comprises the following steps: Setting a target gap value T_target; And calculating a difference value delta T between the target gap value and the current gap value, wherein delta T=T_target-T_current, and T_current is the current gap value. The setting of the target clearance value, calculating the driving displacement amount required by the lateral fine adjustment screw based on the difference value between the target clearance value and the current clearance value, and further comprising: Establishing a corresponding relation table of delta T and delta theta; and checking the corresponding relation table according to the delta T to obtain the nearest delta theta so as to eliminate the system error. And generating a control instruction according to the d