阅读说明：本技术 一种圆柱形零件中心线的找正装置及其方法 (Alignment device and method for center line of cylindrical part ) 是由 张红卫 姚建方 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种圆柱形零件中心线的找正装置及其方法,该圆柱形零件中心线的找正装置,其技术方案要点是：包括CNC机床主轴,所述CNC机床主轴的底面连接有夹持刀柄,所述CNC机床主轴的底面设置有圆柱形零件,当工作人员将调整杠杆表读数为“0”时,退出杠杆表并沿Y轴方向移动到工件另一侧,将主轴旋转一百八十度,并以相同的方法摆动和上下移动杠杆表,当杠杆表指针读数为“0”时,得到B坐标值,此时工作人员根据A值和B值计算得出圆柱形零件对称中心线的坐标值(A+B)/2,从而得出圆柱形零件中心线在CNC机床主轴坐标系中的位置,完成了圆柱形零件中心线的找正,通过找正装置有效的使工作人员能够精确找到圆柱形零件的中心线的。(The invention discloses a device and a method for aligning the center line of a cylindrical part, wherein the device for aligning the center line of the cylindrical part has the technical scheme that: the numerical control machine tool comprises a CNC machine tool main shaft, wherein a clamping tool handle is connected to the bottom surface of the CNC machine tool main shaft, a cylindrical part is arranged on the bottom surface of the CNC machine tool main shaft, when a worker adjusts the reading number of a lever meter to be 0, the worker withdraws from the lever meter and moves to the other side of a workpiece along the Y-axis direction, the main shaft is rotated by one hundred eighty degrees, the lever meter swings and moves up and down in the same method, when the reading number of a pointer of the lever meter is 0, a coordinate value B is obtained, and at the moment, the worker calculates a coordinate value (A + B)/2 of a symmetric center line of the cylindrical part according to the value A and the value B, so that the position of the center line of the cylindrical part in a CNC machine tool main shaft coordinate system is obtained, the alignment of the center line of the cylindrical part is completed, and the worker can accurately find the center line of the cylindrical part through an alignment device.)

1. An alignment device for a center line of a cylindrical part, comprising:

the tool comprises a CNC machine tool main shaft (1), wherein the bottom surface of the CNC machine tool main shaft (1) is connected with a clamping tool handle (2), and a cylindrical part (3) is arranged on the bottom surface of the CNC machine tool main shaft (1);

the gauge head (7), the gauge head (7) is arranged on the bottom surface of the CNC machine tool spindle (1);

the alignment subassembly, the alignment subassembly sets up one side of centre gripping handle of a knife (2) is used for looking for the central line of cylindrical part (3), the alignment subassembly includes: the lever meter (6), the lever meter (6) is connected to one side of the clamping knife handle (2);

the clamping component is arranged on the bottom surface of the CNC machine tool spindle (1) and used for fixing the cylindrical part (3).

2. The device for centering the centerline of a cylindrical part as claimed in claim 1, wherein said clamping assembly comprises:

the clamp body (5) is arranged on the bottom surface of the CNC machine tool spindle (1), and a V-shaped iron (4) is arranged on the top surface of the clamp body (5);

-stabilizing means arranged inside the V-shaped iron (4) for stabilizing the cylindrical part (3).

3. The device for centering the centerline of a cylindrical part as claimed in claim 2, wherein said stabilizer comprises:

a plurality of stable groove (8), a plurality of stable groove (8) are seted up respectively the inside both sides of V-arrangement iron (4), atress groove (9) have been seted up to the inside of stable groove (8), the internal connection of atress groove (9) has spring (10), the inside card of stable groove (8) is equipped with stabilizing block (11), fixed slot (12) have been seted up to the bottom surface of stabilizing block (11), spring (10) are kept away from the one end of atress groove (9) is connected the inside of fixed slot (12).

4. A method for aligning the center line of a cylindrical part is characterized by comprising the following steps:

s1: horizontally fixing a cylindrical part (3) to be processed on a V-shaped iron (4) along an X axis of a coordinate axis of a main shaft (1) of the CNC machine tool, and connecting a movable lever indicator (6) with a cylindrical surface of the cylindrical part (3);

s2: rotating the clamping tool handle (2) to enable a gauge head (7) of the lever indicator (6) to swing in areas C and D, observing the lever indicator (6), and stopping rotating when a pointer of the lever indicator (6) swings to the minimum;

s3: moving the lever meter (6) up and down in the Z direction, and stopping moving when the pointer of the lever meter (6) deflects to the maximum, so as to obtain the coordinate value A on the bus of the cylindrical part (3);

s4: adjusting the reading of the lever indicator (6) to be 0, then withdrawing the lever indicator (6), moving to the other side of the workpiece along the Y-axis direction, and rotating the main shaft for 180 degrees;

s5: swinging and moving the lever meter (6) up and down by the same method, and obtaining a coordinate value B when the pointer reading of the lever meter (6) is '0';

s6: and calculating a coordinate value (A + B)/2 of the symmetrical center line of the cylindrical part (3) according to the value A and the value B, thereby obtaining the position of the center line of the cylindrical part (3) in a coordinate system of a spindle (1) of the CNC machine tool and finishing the alignment of the center line of the cylindrical part (3).

Technical Field

The invention relates to the technical field of lathe machining, in particular to a device and a method for aligning the center line of a cylindrical part.

Background

The simple, fast and accurate marking method of the center line of the end face of the cylindrical part is a difficult problem which troubles the current manufacturing industry, and the maximum value is marked mainly by measuring the maximum value of the diameter of the end face of the cylindrical part at present.

On a CNC (computer numerical control) machine tool, the position of the center line of a cylindrical part needs to be aligned through buses on two sides, and due to the fact that the buses on the two sides are straight lines, accurate alignment is difficult to achieve through a common method, deviation occurs in the alignment process of the cylindrical part of a worker, and the cylindrical part is damaged due to collision when the worker places the cylindrical part.

Disclosure of Invention

In view of the problems mentioned in the background art, the present invention is to provide an apparatus for aligning the center line of a cylindrical part and a method thereof, so as to solve the problems mentioned in the background art.

The technical purpose of the invention is realized by the following technical scheme:

the device for aligning the central line of the cylindrical part comprises a CNC machine tool main shaft, wherein the bottom surface of the CNC machine tool main shaft is connected with a clamping tool handle, and the cylindrical part is arranged on the bottom surface of the CNC machine tool main shaft; the gauge head is arranged on the bottom surface of the CNC machine tool spindle; the alignment subassembly, the alignment subassembly sets up one side of centre gripping handle of a knife is used for looking for the central line of cylindrical part, the alignment subassembly includes: the lever meter is connected to one side of the clamping knife handle; and the clamping component is arranged on the bottom surface of the CNC machine tool spindle and used for fixing the cylindrical part.

Preferably, the clamping assembly comprises: the clamp body is arranged on the bottom surface of the CNC machine tool spindle, and V-shaped iron is arranged on the top surface of the clamp body; a stabilizer disposed inside the V-shaped iron for stabilizing the cylindrical part.

Preferably, the stabilizer includes: the V-shaped iron fixing structure comprises a plurality of stabilizing grooves and a plurality of fixing blocks, wherein the stabilizing grooves are respectively arranged on two sides of the inside of the V-shaped iron, a stress groove is formed in the stabilizing grooves, a spring is connected inside the stress groove, the stabilizing blocks are clamped inside the stabilizing grooves, fixing grooves are formed in the bottom surfaces of the stabilizing blocks, and one end of the stress groove is connected to the inside of the fixing grooves.

The invention also provides an alignment method of the center line of the cylindrical part, which comprises the following specific steps:

s1: horizontally fixing a cylindrical part to be processed on a V-shaped iron along an X axis of a coordinate axis of a main shaft of the CNC machine tool, and connecting a movable lever with a cylindrical surface of the cylindrical part;

s2: rotating the clamping tool handle to enable the meter head of the lever meter to swing in the areas C and D, observing the lever meter, and stopping rotating when the pointer of the lever meter swings to the minimum;

s3: moving the lever meter up and down in the Z direction, and stopping moving when the pointer of the lever meter deflects to the maximum, so as to obtain an A coordinate value on a bus of the cylindrical part;

s4: adjusting the reading of the lever indicator to be 0, then withdrawing the lever indicator, moving to the other side of the workpiece along the Y-axis direction, and rotating the main shaft for 180 degrees;

s5: swinging and moving the lever meter up and down by the same method, and obtaining a coordinate value B when the reading of the pointer of the lever meter is '0';

s6: and calculating a coordinate value (A + B)/2 of the symmetric center line of the cylindrical part according to the value A and the value B, thereby obtaining the position of the center line of the cylindrical part in a main shaft coordinate system of the CNC machine tool and finishing the alignment of the center line of the cylindrical part.

In summary, the invention mainly has the following beneficial effects:

through setting up cylindrical part, the staff will treat the cylindrical part of processing and fix on the V-arrangement iron along the X axle level of CNC lathe main shaft coordinate axis, remove the lever table and connect cylindrical part's face of cylinder, rotate the centre gripping handle of a knife this moment and make the gauge outfit of lever table at the regional swing of C and D, observe the lever table simultaneously, stall when lever table pointer beat is minimum, the staff reciprocates the lever table in the Z direction this moment, stop moving when lever table pointer beat is the biggest, obtain the A coordinate value on the cylindrical part generating line this moment.

Through setting up the lever table, when the staff will adjust the lever table reading and be "0", withdraw from the lever table and move to the work piece opposite side along the Y axle direction, rotate the main shaft one hundred eighty degrees, and swing and reciprocate the lever table with the same method, when the lever table pointer reading is "0", obtain the B coordinate value, the staff calculates the coordinate value (A + B)/2 of cylindrical part center line of symmetry according to A value and B value this moment, thus obtain the position of cylindrical part center line in CNC lathe main shaft coordinate system, the alignment of cylindrical part center line has been accomplished, through the effectual staff that makes of alignment device can the accurate center line of finding cylindrical part.

Through setting up the stabilizing block, the staff places the surface at the stabilizing block with cylindrical part's surface, and it has better buffering effect to be the rubber system because of the stabilizing block, prevents that the staff from directly placing cylindrical part when the inside of V-arrangement iron directly producing the collision, and the damage that causes cylindrical part is when placing the inside of V-arrangement iron through the effectual cylindrical part of assurance of stabilizing, can not lead to the damage of cylindrical part because of the hardness of V-arrangement iron.

Drawings

FIG. 1 is a schematic view of a clamping tool shank configuration of the present invention;

FIG. 2 is a schematic view of a header structure according to the present invention;

FIG. 3 is a schematic view of the structure of the V-shaped iron of the present invention;

FIG. 4 is a schematic view of the cylindrical part of the present invention.

Reference numerals: 1. a CNC machine tool spindle; 2. clamping the tool shank; 3. a cylindrical part; 4. v-shaped iron; 5. a clamp body; 6. a lever meter; 7. a gauge head; 8. a stabilizing slot; 9. a stress groove; 10. a spring; 11. a stabilizing block; 12. and fixing the grooves.

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.

Referring to fig. 1 and 2, an alignment device of cylindrical part central line, including CNC lathe main shaft 1, the bottom surface fixed mounting of CNC lathe main shaft 1 has centre gripping handle of a knife 2, and the bottom surface of CNC lathe main shaft 1 is provided with cylindrical part 3, and one side of centre gripping handle of a knife 2 is provided with the alignment subassembly for look for the central line of cylindrical part 3, and the alignment subassembly includes lever meter 6, lever meter 6 fixed mounting is in one side of centre gripping handle of a knife 2, and the bottom surface of CNC lathe main shaft 1 is provided with gauge outfit 7, and the bottom surface of CNC lathe main shaft 1 is provided with the centre gripping subassembly, is used for fixed cylindrical part 3.

Referring to fig. 2 and 3, the clamping assembly comprises a clamp body 5, the clamp body 5 is arranged on the bottom surface of the spindle 1 of the CNC machine tool, the top surface of the clamp body 5 is provided with a V-shaped iron 4, a stabilizing member is arranged inside the V-shaped iron 4 and used for stably preventing the cylindrical part 3, and the cylindrical part 3 is effectively ensured by the stabilizing member to be not damaged due to the hardness of the V-shaped iron 4 when being placed inside the V-shaped iron 4.

Referring to fig. 4, the stabilizing member includes a plurality of stabilizing grooves 8, the plurality of stabilizing grooves 8 are respectively formed in two sides of the inside of the V-shaped iron 4, the interior of the stabilizing groove 8 is provided with a stress groove 9, a spring 10 is fixedly installed in the stress groove 9, a stabilizing block 11 is clamped in the stabilizing groove 8, the stabilizing block 11 is a rubber arc block structure, the bottom surface of the stabilizing block 11 is provided with a fixing groove 12, one end of the spring 10 far away from the stress groove 9 is fixedly installed in the fixing groove 12, by installing the stabilizing block 11, a worker places the outer surface of the cylindrical part 3 on the surface of the stabilizing block 11, since the stabilizing block 11 is made of rubber, the stabilizing effect is good, collision is prevented when the worker directly places the cylindrical part 3 in the V-shaped iron 4, damage to the cylindrical part 3 is effectively guaranteed by the stabilizing member when the cylindrical part 3 is placed in the V-shaped iron 4, the cylindrical part 3 is not damaged due to the hardness of the V-shaped iron 4.

The invention also provides an alignment method of the center line of the cylindrical part, which comprises the following specific steps:

s1: horizontally fixing a cylindrical part 3 to be processed on a V-shaped iron 4 along an X axis of a coordinate axis of a main shaft 1 of the CNC machine tool, and moving a lever indicator 6 to be connected with a cylindrical surface of the cylindrical part 3;

s2: rotating the clamping tool holder 2 to enable the gauge head 7 of the lever gauge 6 to swing in the areas C and D, observing the lever gauge 6, and stopping rotating when the pointer of the lever gauge 6 swings to the minimum;

s3: moving the lever indicator 6 up and down in the Z direction, stopping moving when the pointer of the lever indicator 6 swings to the maximum, and obtaining the coordinate value A on the bus of the cylindrical part 3;

s4: adjusting the reading of the lever indicator 6 to be 0, then withdrawing the lever indicator 6, moving to the other side of the workpiece along the Y-axis direction, and rotating the main shaft for 180 degrees;

s5: swinging and moving the lever meter 6 up and down in the same way, and obtaining a coordinate value B when the pointer reading of the lever meter 6 is '0';

s6: and calculating a coordinate value (A + B)/2 of the symmetrical center line of the cylindrical part 3 according to the value A and the value B, thereby obtaining the position of the center line of the cylindrical part 3 in a coordinate system of the spindle 1 of the CNC machine tool and finishing the alignment of the center line of the cylindrical part 3.

The working principle is as follows: referring to fig. 1-4, by arranging the cylindrical part 3, a worker horizontally fixes the cylindrical part 3 to be processed on the V-shaped iron 4 along the X axis of the coordinate axis of the spindle 1 of the CNC machine tool, moves the lever indicator 6 to be connected with the cylindrical surface of the cylindrical part 3, rotates the clamping tool holder 2 at this time to enable the gauge head 7 of the lever indicator 6 to swing in the areas C and D, and observes the lever indicator 6 at the same time, stops rotating when the deflection of the pointer of the lever indicator 6 is minimum, and at this time, the worker moves the lever indicator 6 up and down in the Z direction, stops moving when the deflection of the pointer of the lever indicator 6 is maximum, and obtains the coordinate value a on the bus of the cylindrical part 3 at this time.

By arranging the lever meter 6, when the worker adjusts the reading of the lever meter 6 to be 0, the worker exits the lever meter 6 and moves to the other side of the workpiece along the Y-axis direction, the spindle rotates by one hundred eighty degrees, the lever meter 6 swings and moves up and down in the same method, when the reading of a pointer of the lever meter 6 is 0, a coordinate value B is obtained, the worker calculates a coordinate value (A + B)/2 of the symmetrical center line of the cylindrical part 3 according to the value A and the value B, the position of the center line of the cylindrical part 3 in a coordinate system of a spindle 1 of a CNC machine tool is obtained, the alignment of the center line of the cylindrical part 3 is completed, and the worker can accurately find the center line of the cylindrical part 3 effectively through the alignment device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.