CN-121972723-A - Cutting device and cutting method for sheet plane square grid groove

CN121972723ACN 121972723 ACN121972723 ACN 121972723ACN-121972723-A

Abstract

The invention belongs to the technical field of sheet processing, and discloses a sheet plane square groove cutting device and a cutting method, wherein the cutting device comprises a base, an X-axis moving mechanism, a rotary driving mechanism, a workpiece positioning mechanism and a cutting mechanism, the X-axis moving mechanism comprises an X-axis sliding block which is connected to the base in a sliding way, the rotary driving mechanism is arranged on the X-axis sliding block and comprises a workpiece carrying table and a rotary motor which drives the workpiece carrying table to rotate around a vertical axis, the top of the workpiece carrying platform is provided with a positioning groove for placing a workpiece to be processed, the workpiece positioning mechanism comprises a fixed frame arranged on the X-axis sliding block, a movable gland arranged right above the workpiece carrying platform, and a compression driving piece connected between the fixed frame and the movable gland, and the cutting mechanism comprises a Y-axis moving mechanism, a Z-axis moving mechanism and a multi-saw blade cutting assembly. The invention can realize the rapid positioning and multi-groove synchronous cutting of the thin plate workpieces, is convenient for rotation and reversing, and can solve the problems of low cutting efficiency, difficult clamping and insufficient precision in the prior art.

Inventors

GAO ZHAOBING
WANG YANG
YU YONGWEI
Qiu Lujie
LI XIKUN
ZHANG YONGPING

Assignees

江苏省艾格森数控设备制造有限公司

Dates

Publication Date: 20260505
Application Date: 20260205

Claims (10)

1. A sheet planar checkered slot cutting apparatus, comprising: A base; the X-axis moving mechanism comprises an X-axis sliding block which is connected to the base in a sliding way; The rotary driving mechanism is arranged on the X-axis sliding block and comprises a workpiece carrying table and a rotary motor for driving the workpiece carrying table to rotate around a vertical axis, and a positioning groove for placing a workpiece to be processed is formed in the top end of the workpiece carrying table; The workpiece positioning mechanism comprises a fixed frame arranged on the X-axis sliding block, a movable gland arranged right above the workpiece carrying platform and a compression driving piece connected between the fixed frame and the movable gland, wherein the compression driving piece drives the movable gland to move up and down to compress or loosen a workpiece, and a plurality of parallel spaced saw blade abdication grooves are formed in the movable gland; The cutting mechanism comprises a Y-axis moving mechanism, a Z-axis moving mechanism and a multi-saw-blade cutting assembly, wherein the Y-axis moving mechanism comprises a Y-axis sliding block which is connected onto a base in a sliding mode, the Z-axis moving mechanism comprises a Z-axis sliding block which is connected onto the Y-axis sliding block in a sliding mode, the multi-saw-blade cutting assembly is arranged on the Z-axis sliding block and comprises a cutting main shaft, a cutting motor which drives the cutting main shaft to rotate, a plurality of saw blades which are evenly distributed at intervals along the axial direction of the cutting main shaft, and a plurality of saw blades correspond to a plurality of saw blade abdicating grooves on a movable gland.
2. The device for cutting the flat square groove of the thin plate of claim 1, wherein the workpiece positioning mechanism further comprises a guide reset assembly, the guide reset assembly comprises a guide rod and a spring sleeved on the guide rod, the upper end of the guide rod is connected with the movable gland, the lower end of the guide rod is in sliding connection with a guide hole arranged on the fixed frame, and the spring is positioned between the movable gland and the fixed frame.
3. The device of claim 1, wherein the X-axis moving mechanism further comprises an X-axis linear driving mechanism arranged on the base and driving the X-axis sliding block to move along the X-axis direction, the Y-axis moving mechanism further comprises a Y-axis linear driving mechanism arranged on the base and driving the Y-axis sliding block to move along the Y-axis direction, and the Z-axis moving mechanism comprises a Z-axis linear driving mechanism arranged on the Y-axis sliding block and driving the Z-axis sliding block to move up and down along the Z-axis direction.
4. The device for cutting the flat square groove of the thin plate of claim 3, wherein the X-axis linear driving mechanism, the Y-axis linear driving mechanism and the Z-axis linear driving mechanism are air cylinders, linear motors or screw nut mechanisms.
5. The device for cutting flat checkered grooves of sheet metal of claim 1, wherein said blade relief groove is an elongated through groove extending in the X-axis direction.
6. The device for cutting flat square grooves of thin plate according to claim 1, wherein the number of the pressing driving parts is two.
7. The device for cutting the planar square groove of the thin plate of claim 1, wherein a plurality of longitudinal matching grooves and transverse matching grooves corresponding to the saw blade abdicating grooves are formed in the side wall of the positioning groove, and the longitudinal matching grooves are mutually perpendicular to the transverse matching grooves.
8. The device for cutting the planar square groove of the thin plate of claim 7, wherein the longitudinal matching grooves and the transverse matching grooves comprise deep grooves and shallow grooves which are alternately distributed, and grooves which are matched with and communicated with the deep grooves are formed in the bottom wall of the positioning groove, so that the surface of the positioning groove forms a square groove shape.
9. The device for cutting flat square grooves of thin plate according to claim 1, wherein the side wall of the positioning groove is provided with at least one pick-up opening.
10. A cutting method using the sheet metal flat checkered groove cutting device according to any one of claims 1 to 9, characterized by comprising the steps of: S1, placing a workpiece in a positioning groove of a workpiece carrying platform; s2, controlling the pressing driving piece to drive the movable pressing cover to press down, and clamping and fixing the workpiece in the positioning groove; s3, starting a cutting motor, controlling the saw blade to rotate and descend to the cutting depth, and simultaneously driving the X-axis sliding block to move along the X axis to finish cutting in the first direction; S4, lifting the saw blade and stopping rotating, and lifting, resetting and loosening the workpiece by the movable gland; S5, controlling a rotary motor to drive the workpiece carrying platform to rotate by 90 degrees; S6, driving the movable gland to press down the fixed workpiece again; And S7, starting a cutting motor, controlling the saw blade to rotate and descend to the cutting depth, and simultaneously driving the X-axis sliding block to move along the X axis to complete cutting in the second direction so as to form a square groove.

Description

Cutting device and cutting method for sheet plane square grid groove Technical Field The invention belongs to the technical field of sheet processing, and particularly relates to a sheet plane square groove cutting device and a sheet plane square groove cutting method. Background In the field of machining, it is often necessary to cut square notches (i.e., planar square grooves at 90 ° to each other) in the surface of a sheet-like workpiece as shown in fig. 1, to meet the demands of assembly positioning, stress uniformity, aesthetics or other specific functions of the workpiece after grooving. At present, a step-by-step cutting process is generally adopted for processing the square grooves on the surface of a thin plate, wherein a workpiece is firstly fixed and then is subjected to multiple parallel cutting along one direction (such as the longitudinal direction) by cutting equipment to form a group of uniformly-spaced vertical grooves, the workpiece is dismounted from a workbench, is rotated for 90 degrees and then is subjected to clamping and positioning again, and then is subjected to another group of parallel cutting along the direction (such as the transverse direction) perpendicular to the original direction to form a group of uniformly-spaced transverse grooves, so that the final square grooves are formed. The traditional method has the obvious technical defects that (1) only one notch can be machined at a time, repeated cutting is needed, re-clamping and positioning are needed in the rotating process of the workpiece, time and labor are consumed, cutting efficiency is low, and (2) the absolute consistency of the workpiece position is difficult to ensure due to the fact that the clamping is carried out twice, the stable positioning of the thin plate type workpiece is difficult to realize due to the existing clamping mode, displacement, deformation and workpiece fragmentation are easy to occur in the cutting process, or the perpendicularity and the relative position between two groups of notches deviate, and the machining precision and quality are affected. Therefore, a planar square groove cutting device capable of achieving rapid positioning, multi-groove synchronous cutting and convenient rotation and reversing of thin plate workpieces is needed, and the problems of low cutting efficiency, difficult clamping and insufficient precision in the prior art are solved. Disclosure of Invention Aiming at the defects in the background technology, the invention provides a cutting device and a cutting method for a sheet plane square groove, and the cutting device can be used for realizing rapid positioning and multi-groove synchronous cutting of sheet workpieces and is convenient for 90-degree rotation and reversing of the workpieces, so that the problems of low cutting efficiency, difficult clamping and insufficient precision in the prior art can be solved. In order to achieve the above purpose, the technical solution of the present invention is as follows: A sheet planar checkered slot cutting apparatus comprising: A base; the X-axis moving mechanism comprises an X-axis sliding block which is connected to the base in a sliding way; The rotary driving mechanism is arranged on the X-axis sliding block and comprises a workpiece carrying table and a rotary motor for driving the workpiece carrying table to rotate around a vertical axis, and a positioning groove for placing a workpiece to be processed is formed in the top end of the workpiece carrying table; The workpiece positioning mechanism comprises a fixed frame arranged on the X-axis sliding block, a movable gland arranged right above the workpiece carrying platform and a compression driving piece connected between the fixed frame and the movable gland, wherein the compression driving piece drives the movable gland to move up and down to compress or loosen a workpiece, and a plurality of parallel spaced saw blade abdication grooves are formed in the movable gland; The cutting mechanism comprises a Y-axis moving mechanism, a Z-axis moving mechanism and a multi-saw-blade cutting assembly, wherein the Y-axis moving mechanism comprises a Y-axis sliding block which is connected onto a base in a sliding mode, the Z-axis moving mechanism comprises a Z-axis sliding block which is connected onto the Y-axis sliding block in a sliding mode, the multi-saw-blade cutting assembly is arranged on the Z-axis sliding block and comprises a cutting main shaft, a cutting motor which drives the cutting main shaft to rotate, a plurality of saw blades which are evenly distributed at intervals along the axial direction of the cutting main shaft, and a plurality of saw blades correspond to a plurality of saw blade abdicating grooves on a movable gland. Preferably, the workpiece positioning mechanism further comprises a guide reset assembly, the guide reset assembly comprises a guide rod and a spring sleeved on the guide rod, the upper end of the guide rod is connected with the movab