阅读说明：本技术 一种圆盘剪侧间隙调整机构、圆盘剪及侧间隙调整方法 (Circle shear side clearance adjusting mechanism, circle shear and side clearance adjusting method ) 是由 贾海亮 冀俊杰 张勇安 张康武 孙亚波 景群平 俞洪杰 于 2020-05-15 设计创作，主要内容包括：本发明属于冶金设备技术领域,具体涉及一种圆盘剪侧间隙调整机构、圆盘剪及侧间隙调整方法。本发明通过由偏心轴承座、轴承、滑块座、滑块斜楔、左直线导轨副、导轨斜楔、螺母座、右直线导轨副、尾板、顶板、侧板、滚珠丝杠、丝杠轴承、丝杠轴承座、联轴器、电机和限位挡板有机组合而成的侧间隙调整机构,确保了整个侧间隙调整机构的高刚性和无间隙性。本发明的一种圆盘剪侧间隙检测机构采用精度高、抗干扰的光栅尺,保证了检测的高精度及数据显示的良好稳定性。本发明的一种圆盘剪侧间隙检测机构的接近开关感应板固定在螺母座上,调整时与接近开关一起提供电气保护,丝杠轴承座与限位挡板提供机械保护,确保了整个侧间隙调整及检测机构安全可靠。(The invention belongs to the technical field of metallurgical equipment, and particularly relates to a circle shear side clearance adjusting mechanism, a circle shear and a side clearance adjusting method. The invention ensures the high rigidity and gapless property of the whole side gap adjusting mechanism by the side gap adjusting mechanism which is formed by organically combining an eccentric bearing seat, a bearing, a sliding block seat, a sliding block wedge, a left linear guide rail pair, a guide rail wedge, a nut seat, a right linear guide rail pair, a tail plate, a top plate, a side plate, a ball screw, a screw bearing seat, a coupling, a motor and a limit baffle. The side gap detection mechanism of the rotary shear adopts the grating ruler with high precision and interference resistance, and ensures the high precision of detection and the good stability of data display. The proximity switch induction plate of the circle shear side clearance detection mechanism is fixed on the nut seat, and provides electrical protection together with the proximity switch during adjustment, and the lead screw bearing seat and the limit baffle provide mechanical protection, so that the safety and reliability of the whole side clearance adjustment and detection mechanism are ensured.)

1. The utility model provides a circle shear side clearance guiding mechanism which characterized in that: the device comprises an eccentric bearing seat (5), a bearing (6), a sliding block seat (7), a sliding block wedge (8), a left linear guide rail pair (9), a guide rail wedge (10), a nut seat (11), a right linear guide rail pair (12), a tail plate (13), a top plate (14), a side plate (15), a ball screw (16), a screw bearing (17), a screw bearing seat (18), a coupling (19), a motor (20) and a limit baffle (21); the top plate (14) is horizontally arranged, and the lower surface of one end of the top plate (14) is vertically connected with the tail plate (13); the motor (20) is fixedly connected to the upper surface of the top plate (14), the lead screw bearing seat (18) is fixedly connected to the inner side of the tail plate (13), the lead screw bearing (17) is fixed in the lead screw bearing seat (18), the upper end of the ball screw (16) is connected with the output end of the motor (20) through a coupling (19), the lower part of the ball screw (16) is connected with the nut seat (11) through a nut on the ball screw (16), the left side of the nut seat (11) is connected with a guide rail of the left linear guide rail pair (9) through a guide rail wedge (10), the left side of the left linear guide rail pair (9) is provided with a slide block wedge (8), a slide block on the left linear guide rail pair (9) is connected with the slide block seat (7) at the side, and the slide block seat (7) is connected in the eccentric bearing seat (5) through a bearing (6); the right side of the nut seat (11) is fixedly connected with the tail plate (13) through a sliding block on the right linear guide rail pair (12); a limiting baffle (20) is arranged right below the ball screw (16), and the limiting baffle (20) is fixedly connected with the bottom surface of the side plate (15).

2. The side play adjustment mechanism of a circle shear of claim 1, wherein: the left linear guide rail pair (9) and the right linear guide rail pair (12) both adopt pre-tightened roller type linear guide rail pairs; the ball screw (16) adopts a pre-tightening type ball screw.

3. The utility model provides a circle shear, includes casing (1), upper slitter shafting (2), lower slitter shafting (3) and trip cover (4) at least, upper slitter shafting (2) and lower slitter shafting (3) all connect on casing (1) and set up its characterized in that from top to bottom: further comprising a side clearance adjustment mechanism of a circle shear as claimed in any one of claims 1-2; the upper tool shaft system (2) is connected with the side clearance adjusting mechanism through a sliding sleeve (4); a top plate (14) and a side plate (15) of the side clearance adjusting mechanism are connected to the machine shell (1), and a tail plate (13) is respectively and vertically connected with the side plate (15) and the top plate (14) of the side clearance adjusting mechanism; and an eccentric bearing seat (5) on the side clearance adjusting mechanism is fixedly connected with the sliding sleeve (4).

4. A disc shear as defined in claim 3, wherein: the device also comprises a side clearance detection mechanism; the side gap detection mechanism comprises a detection head bracket (22), a grating ruler (23), a proximity switch induction plate (24) and a proximity switch (25); the detection head support (22) is horizontally and fixedly connected to the sliding block seat (7), the proximity switch induction plate (24) is connected to the side face of the nut seat (11), and the detection head of the grating ruler (23) is connected to the detection head support (22); the proximity switch (25) is fixed on the tail plate (13) through a bracket; the ruler body of the grating ruler (23) is connected to the side plate (15) from top to bottom, and the lower surface of the grating ruler (23) is flush with the upper surface of the detection head support (22).

5. A disc shear as defined in claim 4, wherein: the two proximity switches (25) are arranged, and the two proximity switches (25) are arranged up and down.

6. A disc shear as defined in claim 4, wherein: also comprises a control mechanism; the control mechanism at least comprises a frequency converter and a PLC module, and the PLC module is in electric signal connection with the motor (20) through the frequency converter; the PLC module is connected with an electric signal of a grating ruler (23) of the side clearance detection mechanism.

7. A method for adjusting side clearance of a circle shear is characterized in that: comprises the following steps

The method comprises the following steps: when the side clearance is adjusted, a grating ruler (23) of the side clearance detection mechanism transmits detected clearance data to a PLC module of the control mechanism, the PLC module compares the acquired clearance value with a side clearance target value, when the comparison value is smaller than a preset value, the side clearance adjustment is finished, otherwise, the step II is carried out;

step two: the PLC module transmits information to the frequency converter, the motor (20) is controlled through the frequency converter, the motor (20) is started to drive the ball screw (16) to rotate, so that the guide rails of the nut seat (11), the guide rail wedge (10) and the left linear guide rail pair (9) are driven to move upwards or downwards, the slide block wedge (8) and the slide block seat (7) of the left linear guide rail pair (9) are driven to move leftwards or rightwards, the upper cutter shaft system (2) is further driven to move leftwards or rightwards, and the adjustment of a side gap is achieved.

Technical Field

The invention belongs to the technical field of metallurgical equipment, and particularly relates to a circle shear side clearance adjusting mechanism, a circle shear and a side clearance adjusting method.

Background

The disc shear is a key device of a plate strip shearing production line and is used for shearing the edge of strip steel to enable the width of the strip steel to reach a set value. The side clearance is a key parameter in the use of the disc shear, and the shearing quality is directly influenced by the accuracy. The accuracy of the side gap adjustment is directly determined by the side gap adjustment and detection mechanism.

Most of existing circle shear side gap adjusting mechanisms have the problems of low motion conversion precision, poor stability, low detection precision and low automation degree. The present invention is an improvement to address these deficiencies.

Disclosure of Invention

The invention provides a circle shear side gap adjusting mechanism, a circle shear and a side gap adjusting method, and aims to provide a circle shear side gap adjusting mechanism, a circle shear and a method which are high in side gap adjusting precision, good in stability, safe and reliable.

In order to achieve the purpose, the invention adopts the technical scheme that:

a side gap adjusting mechanism of a circle shear comprises an eccentric bearing seat, a bearing, a sliding block seat, a sliding block wedge, a left linear guide rail pair, a guide rail wedge, a nut seat, a right linear guide rail pair, a tail plate, a top plate, a side plate, a ball screw, a screw bearing seat, a coupling, a motor and a limit baffle; the top plate is horizontally arranged, and the lower surface of one end of the top plate is vertically connected with the tail plate; the motor is fixedly connected to the upper surface of the top plate, the lead screw bearing seat is fixedly connected to the inner side of the tail plate, the lead screw bearing is fixed in the lead screw bearing seat, the upper end of the ball screw is connected with the output end of the motor through a coupler, the lower part of the ball screw is connected with the nut seat through a nut on the ball screw, the left side of the nut seat is connected with a guide rail of the left linear guide rail pair through a guide rail wedge, the left side of the left linear guide rail pair is provided with a slide block wedge, a slide block on the left linear guide rail pair is connected with the slide block seat on the side, and the slide block seat is connected in the eccentric bearing seat; the right side of the nut seat is fixedly connected with the tail plate through a sliding block on the right linear guide rail pair; and a limiting baffle is arranged under the ball screw and is fixedly connected with the bottom surface of the side plate.

The left linear guide rail pair and the right linear guide rail pair are both roller type linear guide rail pairs which are pre-tightened; the ball screw adopts a pre-tightening type ball screw.

A circle shear at least comprises a shell, an upper cutter shaft system, a lower cutter shaft system and a movable sleeve, wherein the upper cutter shaft system and the lower cutter shaft system are connected to the shell and are arranged up and down; the upper cutter shaft is connected with the side clearance adjusting mechanism through a sliding sleeve; the top plate and the side plate of the side clearance adjusting mechanism are connected on the shell, and the tail plate is respectively and vertically connected with the side plate and the top plate of the side clearance adjusting mechanism; and the eccentric bearing seat on the side clearance adjusting mechanism is fixedly connected with the sliding sleeve.

The device also comprises a side clearance detection mechanism; the side gap detection mechanism comprises a detection head bracket, a grating ruler, a proximity switch induction plate and a proximity switch; the detection head bracket is horizontally and fixedly connected to the sliding block seat, the proximity switch induction plate is connected to the side surface of the nut seat, and the detection head of the grating ruler is connected to the detection head bracket; the proximity switch is fixed on the tail plate through a bracket; the ruler body of the grating ruler is connected to the side plate from top to bottom, and the lower surface of the grating ruler is flush with the upper surface of the detection head support.

The proximity switches are arranged in two, and the two proximity switches are arranged up and down.

Also comprises a control mechanism; the control mechanism at least comprises a frequency converter and a PLC module, and the PLC module is in electrical signal connection with the motor through the frequency converter; the PLC module is connected with an electric signal of a grating ruler of the side clearance detection mechanism.

A method for adjusting the side clearance of a circle shear comprises the following steps

When the side clearance is adjusted, a grating ruler of the side clearance detection mechanism transmits detected clearance data to a PLC module of the control mechanism, the PLC module compares the acquired clearance value with a side clearance target value, when the comparison value is smaller than a preset value, the side clearance adjustment is finished, otherwise, the step II is carried out;

step two: the PLC module transmits information to the frequency converter, the motor is controlled through the frequency converter, the motor is started to drive the ball screw to rotate, so that the nut seat, the guide rail wedge and the guide rail of the left linear guide rail pair are driven to move upwards or downwards, the slide block wedge and the slide block seat of the left linear guide rail pair are driven to move leftwards or rightwards, the upper cutter shaft system is further driven to move leftwards or rightwards, and the adjustment of a side gap is achieved.

Has the advantages that:

(1) the side clearance adjusting mechanism is formed by organically combining an eccentric bearing seat, a bearing, a sliding block seat, a sliding block wedge, a left linear guide rail pair, a guide rail wedge, a nut seat, a right linear guide rail pair, a tail plate, a top plate, a ball screw, a screw bearing seat, a coupling, a motor and a limit baffle.

(2) The side gap detection mechanism of the rotary shear adopts the grating ruler with high precision and interference resistance, and ensures the high precision of detection and the good stability of data display.

(3) The proximity switch induction plate of the circle shear side clearance detection mechanism is fixed on the nut seat, and provides electrical protection together with the limit switch during adjustment, and the lead screw bearing seat and the limit baffle provide mechanical protection, so that the safety and reliability of the whole side clearance adjustment and detection mechanism are ensured.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to clearly understand the technical solutions of the present invention and to implement the technical solutions according to the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view E-E of FIG. 1;

fig. 3 is a sectional view F-F of fig. 1.

In the figure: 1-a machine shell; 2-mounting a cutter shaft system; 3-lower tool shaft system; 4-swimming sleeve; 5-eccentric bearing seat; 6-a bearing; 7-a slider seat; 8-a slider wedge; 9-a left linear guide rail pair; 10-guide rail wedge; 11-a nut seat; 12-right linear guide rail pair; 13-tail plate; 14-a top plate; 15-side plate; 16-a ball screw; 17-a lead screw bearing; 18-lead screw bearing seats; 19-a coupling; 20-a motor; 21-a limit baffle; 22-detection head support; 23-a grating ruler; 24-proximity switch sensing plate; 25-proximity switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.