CN101862767A - An automatic drilling tool straightening machine - Google Patents

Abstract

The invention provides an automatic drilling tool straightening machine, comprising: a base for supporting; a press for pressing and straightening the drilling tool, which is movably arranged on the upper part of the base; a roller is used for rotating the drilling tool, and one end is telescopically connected to On the base; the lifting device is used to jack up the drilling tool, one end is fixed on the base and located outside the roller; the movable pad is used to support the drilling tool, and one end is movable on the base; the detection trolley is used to detect the shape of the drilling tool Position data, which can be moved and set on the base, and send the data to the control module; the control module receives the data sent by the detection trolley, and controls the press, rollers, lifting devices, movable pads and Detect the movement of the car. The invention adopts the detection trolley and the control module to realize automatic detection and automatic control during drilling tool repair, greatly reduces human intervention, realizes the automation of drilling tool repair, and has high precision, fast speed and good stability of drilling tool repair.

Description

An automatic drilling tool straightening machine

technical field

The invention relates to an automatic drilling tool straightening machine.

Background technique

Drilling tools are prone to bending deformation due to loads such as compression, bending, and torsion during use. The occurrence of this situation not only affects the normal use and non-destructive testing of drilling tools, but also reduces the fatigue resistance of drilling tools and causes drilling tool fracture accidents. Therefore, drill tools need to be repaired frequently. In the process of drilling tool repair, it is of great significance to correct the bending deformation of the drilling tool in time by using the straightening process to ensure the normal operation of the subsequent inspection process and prolong the service life of the drilling tool. At present, the curvature of drilling tools and the straightness after straightening mainly rely on manual visual inspection, and the straightening effect completely depends on human subjective and experience judgments. Due to individual differences among operators, there are large differences in the repairing effect of drilling tools, and sometimes repairing The effect is very poor, and even the repaired drilling tools are not as good as the unrepaired ones. In addition, the use of manual evaluation and repair requires a lot of manpower to make repeated judgments, a large amount of labor, and low work efficiency. It is difficult to guarantee the time and rhythm of drilling tool repair, which is not conducive to mass operations.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic drilling tool straightening machine with high degree of automation, high drilling tool repair precision, fast speed and good stability.

In order to solve the above problems, the present invention provides an automatic drilling tool straightening machine, comprising:

Base, the base is used to support the press, rollers, lifting device, movable pads, detection trolley and drilling tools;

a press machine, the press machine is arranged on the upper part of the base, and can move along the axial direction of the drilling tool, and the press machine is used for pressing and straightening the drilling tool;

A roller, one end of the roller is telescopically connected to the base, and the other end of the roller is used to rotate the drilling tool;

Lifting device, one end of the lifting device is fixedly arranged on the base and is located outside the roller, and the other end of the lifting device is used to jack up the drilling tool;

A movable pad, one end of the movable pad is arranged on the base, and can move along the axial direction of the drilling tool, and the other end of the movable pad is used to support the drilling tool;

A detection trolley, the detection trolley is set on the base and can move along the axial direction of the drilling tool, the detection trolley is used to detect the shape and position data of the drilling tool, and send the data to the control module;

A control module, the control module receives the data sent by the detection trolley, and controls the action of the press, rollers, lifting device, movable pads and detection trolley according to the data and the preset program.

Further, the press is also provided with a stroke sensor for detecting the stroke of the press, and the stroke sensor sends data information to the control module.

Further said control module includes a receiving unit, an input unit, a database, a calculation unit and an instruction unit, wherein:

The receiving unit receives the data sent by the detection trolley and the stroke sensor, and converts the data and sends it to the computing unit;

The input unit is used to manually input the data such as the length, diameter and material of the drilling tool, and convert the data and send it to the calculation unit;

In the database, according to different lengths, diameters, materials and mechanical theories of drilling tools, calculation formulas for preset deformations;

The calculation unit receives the data sent by the receiving unit and the input unit, calls the formula in the database to perform calculation, and sends the calculation result to the instruction unit;

The command unit receives the calculation result sent by the calculation unit, and after making a judgment, sends action commands to the press, the roller, the lifting device, the movable block and the detection trolley respectively.

Further, one end of the base is also provided with a calibration block for verifying the detection accuracy of the detection trolley.

Further, three displacement sensors are arranged on the detection trolley in different directions along the radial direction of the drilling tool.

The present invention has the following advantages:

1. The present invention adopts detection trolley and control module to realize automatic detection and automatic control during drilling tool repair, greatly reduces human intervention, realizes automatic drilling tool repair, and has high precision, fast speed and good stability of drilling tool repair.

2. The control module in the present invention is simple and reliable, adopts input unit and database, can adjust and control different spans and strokes according to different individuals, realize personalized repair, realize automatic detection and automatic control, and have high reliability.

3. The present invention adopts the correction block, which can verify the detection accuracy of the detection trolley in real time, and avoid the detection distortion caused by the accumulation error, thereby affecting the judgment of the deformation of the drilling tool and affecting the accuracy of the drilling tool repair.

Description of drawings

Embodiments of the present invention will be further described below in conjunction with accompanying drawings:

Fig. 1 shows a schematic structural view of an automatic drilling tool straightening machine of the present invention;

Fig. 2 shows a schematic diagram of the control principle of an automatic drilling tool straightening machine of the present invention;

Fig. 3 shows a schematic diagram of the layout of the displacement sensor in the detection trolley of an automatic drill straightening machine according to the present invention.

Detailed ways

As shown in FIG. 1 , the present invention includes a base 1 , a press 2 , a roller 3 , a lifting device 4 , a movable block 5 , a detection trolley 6 and a control module 7 .

The base 1 is used to support the press machine 2, the roller 3, the lifting device 4, the movable pad 5, the detection trolley 6 and the drilling tool 8. The base 1 can include a foot 11 , a bracket 12 and an operating platform 13 . The foot 11 is used to place the base 1 stably on the ground, the bracket 12 is used to support various structural parts, and the sliding guide rail 21 of the press machine 2 is arranged on the bracket 12, and the operating platform 12 is used to place the roller 3, the lifting device 4, The movable pad 5 and the detection trolley 6 are provided with guide rails to facilitate the movement of the movable cushion 5 and the detection trolley 6.

The press 2 is arranged on the upper part of the base 1, and the press 2 can press down and straighten the drilling tool 8, and the bottom of the press 2 is provided with a sliding guide rail 21, which can move along the axial direction of the drilling tool 8, so that the press 2 can be placed on the drilling tool 8. 8 Appropriate point pressure on the top drilling tool 8 in the axial direction to obtain the best repair effect. The stamping position and stroke of the press machine 2 are controlled by the control module 7 .

One end of the roller 3 is telescopically connected and arranged on the operating platform 13 of the base 1 , and the other end of the roller 3 is used for rotating the drilling tool 8 . The roller 3 rotates the drilling tool 8 placed on the roller 3 according to actual needs, and directs the line to be stamped by the drilling tool 8 toward the press 2 , and the rotation angle and speed of the roller 3 are controlled by the control module 7 . The number of rollers 3 is two, which are respectively arranged on the two ends of the operating platform 13 of the base 1 . The upper part of the roller 3 is at the same height as the lifting device 4, and can be linked with the lifting device 4, and the power source is no longer separately designed for the expansion and contraction of the roller 3.

The lifting device 4 is two hydraulic cylinders, which are arranged at both ends of the operating platform 13 of the base 1 and outside the rollers 3 . One end of the lifting device 4 is fixedly arranged on the operating platform 13 of the base 1 , and the other end is used for jacking up the drilling tool 8 . The jacking height is limited by the hydraulic cylinder and controlled by the control module 7 .

The movable pad 5 is arranged on the operating platform 13 of the base 1 and arranged in a guide rail which can move along the axial direction of the drilling tool 8 . The movable spacer 5 can move along the axial direction of the drilling tool 8, and can be assembled and disassembled. The other end of the movable pad 5 away from the guide rail is used to support the drilling tool 8 and bear the impact force of the press 2 . The quantity of movable spacer 5 is determined according to actual needs, and can be 1 or more than 2, usually 2. The position and span of the movable pad 5 are controlled by the control module 7 .

The detection trolley 6 is movably arranged on the base 1 through guide rails arranged on the operating platform 13 of the base 1 , and the detection trolley 6 can move along the axial direction of the drilling tool 8 . The detection trolley 6 is provided with a sensor for detecting the shape and position data of the drilling tool 8 and sending the data to the control module 7 .

The control module 7 receives the data sent by the detection trolley 6, and controls the press machine 2, the roller 3, the lifting device 4, the movable block 5 and the detection trolley 6 to move according to the data and the preset program.

The present invention adopts the detection trolley 6 and the control module 7 to realize automatic detection and automatic control during the repair of the drilling tool 8, greatly reduces human intervention, realizes the automation of the drilling tool 8 repair, and has high precision, fast speed and good stability in the repair of the drilling tool 8 .

In the present invention, the press 2 is further provided with a stroke sensor 22 for detecting the 2-stroke of the press, and the stroke sensor 22 sends data information to the control module 7 . Since the press 2 has a certain inertia, the 2-stroke of the press is not easy to control, so it is necessary to carry out feedback control on the 2-stroke of the press. A stroke sensor 22 is arranged on the press machine 2, and the actual stroke of the press machine 2 can be sent as feedback information to the control module 7, so as to adjust the stroke of the press machine 2.

As shown in FIG. 2 , in the present invention, the control module 7 includes a receiving unit 71 , an input unit 72 , a database 73 , a computing unit 74 and an instruction unit 75 .

The receiving unit 71 receives the data sent by the detection trolley 6 and the stroke sensor 22 , converts the data and sends it to the computing unit 74 .

The input unit 72 is used to manually input data such as the length, diameter and material of the drilling tool 8 , and convert the data and send it to the calculation unit 74 .

In the database 73, according to the different lengths and diameters of the drilling tools 8, materials and mechanical theories, and calculation formulas for preset deformation amounts.

The calculation unit 74 receives the data sent by the receiving unit 71 and the input unit 72 , invokes the formula in the database 73 to perform calculation, and sends the calculation result to the command unit 75 .

The command unit 75 receives the calculation result sent by the calculation unit 74, and after making a judgment, sends action commands to the press machine 2, the roller 3, the lifting device 4, the movable block 5 and the detection trolley 6 respectively.

The control module 7 in the present invention is simple and reliable. Using the input unit 72 and the database 73, it can adjust and control different spans and strokes according to 8 different drilling tools, realize personalized repair, realize automatic detection and automatic control, and ensure high reliability. very high.

In the present invention, one end of the base 1 is also provided with a calibration block 9 for verifying the detection accuracy of the detection trolley 6 . The present invention adopts the correction block 9, which can verify the detection accuracy of the detection trolley 6 in real time, and avoid detection distortion due to accumulated errors, thereby affecting the judgment of the deformation of the drilling tool 8 and affecting the accuracy of the drilling tool 8 repair.

As shown in FIG. 3 , in the present invention, three displacement sensors 61 are arranged on the detection trolley 6 in different directions along the radial direction of the drilling tool 8 . Setting the three displacement sensors 61 can comprehensively obtain information on the deformation of the drilling tool 8 to ensure more accurate repair of the drilling tool 8 . The three displacement sensors 61 are arranged eccentrically with respect to the drilling tool 8 and have an eccentric angle α.

The present invention is as follows to drilling tool 8 repair process:

At first drilling tool 8 is put on the lifting device 4, starts the present invention. The lifting device 4 acts to lift the drilling tool 8 into place. At this time, the detection trolley 6 starts to move, moves along the axial direction of the drilling tool 8 , detects the deformation of the drilling tool 8 , and sends the deformation to the control module 7 . The control module 7 determines the correction point of the drilling tool 8 according to the deformation.

Because the roller 3 is as high as the lifting device 4 and expands and contracts simultaneously, the drilling tool 8 is also placed on the roller 3 at this moment. The roller 3 moves under the control of the control module 7, and rotates the point to be corrected on the drilling tool 8 to the direction of the press 2. Then the movable pad 6 moves under the control of the control module 7 to adjust the position and span. After the movable pad 5 is adjusted, the lifting device 4 and the roller 3 are retracted, and the drilling tool 8 falls on the movable pad 5 .

The press 2 moves under the control of the control module 7, so that the hammer head of the press 2 faces the correction point of the drilling tool 8, and then the press 2 moves to press and repair the drilling tool 8. At the same time that the press 2 presses and repairs the drilling tool 8 , the stroke sensor 22 feeds back the actual stroke of the press 2 to the control module 7 .

After the press 2 presses and repairs the drilling tool 8, the detection trolley 6 moves to detect the drilling tool 8 again. After receiving the detection result, the control module 7 decides to stop or correct again according to the situation until a drilling tool 8 is repaired.

Before the drilling tool 8 is repaired or after the drilling tool is repaired or even in the repairing process, the detection accuracy of the detection trolley 6 can be checked through the calibration block 9 to ensure the detection accuracy of the detection trolley 6 .

In summary, the above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention, All should be included within the protection scope of the present invention.

Claims (5)

1. An automatic drilling tool straightening machine, characterized in that, comprising: Base (1), the base (1) is used to support the press (2), rollers (3), lifting device (4), movable spacer (5), detection trolley (6) and drilling tool (8) ; A press (2), the press (2) is arranged on the upper part of the base (1), and can move along the axial direction of the drilling tool (8), and the press (2) is used for pressing and straightening The drilling tool (8); A roller (3), one end of the roller (3) is telescopically connected to the base (1), and the other end of the roller (3) is used to rotate the drilling tool (8); Lifting device (4), one end of the lifting device (4) is fixedly arranged on the base (1), and is located outside the roller (3), and the other end of the lifting device (4) is used for lifting Lift the drilling tool (8); A movable spacer (5), one end of the movable spacer (5) is arranged on the base (1), and can move along the axial direction of the drilling tool (8), the other side of the movable spacer (5) One end is used to support the drilling tool (8); A detection trolley (6), the detection trolley (6) is arranged on the base (1), and can move along the axial direction of the drilling tool (8), the detection trolley (6) is used to detect the Drilling tool (8) shape position data, and said data is sent to control module (7); A control module (7), the control module (7) receives the data sent by the detection trolley (6), and controls the press (2), rollers (3), lifting The device (4), the movable pad (5) and the detection trolley (6) move. 2. The automatic drilling tool straightening machine according to claim 1, characterized in that: the press (2) is also provided with a stroke sensor (22) for detecting the stroke of the press (2), the The stroke sensor (22) sends data information to the control module (7). 3. The automatic drilling tool straightening machine according to claim 2, characterized in that: the control module (7) comprises a receiving unit (71), an input unit (72), a database (73), a computing unit (74) And instruction unit (75), wherein: The receiving unit (71) receives the data sent by the detection trolley (6) and the stroke sensor (22), converts the data and sends it to the computing unit (74); The input unit (72) is used to manually input data such as the length, diameter and material of the drilling tool (8), and convert the data and send it to the calculation unit (74); In the database (73), according to different lengths, diameters, materials and mechanical theories of the drilling tool (8), calculation formulas for preset deformations; The calculation unit (74) receives the data sent by the receiving unit (71) and the input unit (72), calls the formula in the database (73) to perform calculation, and sends the calculation result to the instruction unit (75 ); The instruction unit (75) receives the calculation result sent by the calculation unit (74), and after making a judgment, sends instructions to the press (2), the roller (3), the lifting device (4), and the movable block respectively. (5) and the detection car (6) send action commands. 4. The automatic drilling tool straightening machine according to claim 3, characterized in that: one end of the base (1) is also provided with a calibration block (9) for verifying the detection accuracy of the detection trolley (6). 5. The automatic drilling tool straightening machine according to claim 4, characterized in that: the detection trolley (6) is provided with three displacement sensors (61) along different radial directions of the drilling tool (8).

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