CN215217540U - Servo knife rest three-fluted-disc positioning and repeated positioning precision detection device - Google Patents

Abstract

The utility model discloses a three fluted disc location of servo knife rest and repeated positioning accuracy detection device, including T shape frid, the top fixedly connected with electric putter fixed plate of T shape frid, fixed mounting has electric putter on the electric putter fixed plate, fixedly connected with slide bearing fixed plate can be dismantled at the top of T shape frid, be provided with slide bearing on the slide bearing fixed plate, the slide bearing cover is established on electric putter's axostylus axostyle, the one end fixedly connected with right fluted disc fixed plate of electric putter axostylus axostyle, right fluted disc is installed to the joint on the right fluted disc fixed plate, the utility model discloses simple structure, convenient to use can guarantee three fluted disc positioning accuracy and repeated positioning accuracy to three fluted disc positioning accuracy and repeated positioning accuracy high-efficient measurement to the yield and the efficiency of producer's production fluted disc have been improved.

Description

Servo knife rest three-fluted-disc positioning and repeated positioning precision detection device

Technical Field

The utility model relates to a mechanical detection technical field especially relates to a three fluted disc location of servo knife rest and repeated positioning accuracy detection device.

Background

With the rapid development of equipment manufacturing industry, China has become a big country for the production and application of numerical control machine tools, and the requirements of various industries on the precision of the machine tools are higher and higher. The high-precision rotation of the three-fluted disc in the machine tool is an indispensable condition for ensuring the accurate tool changing of the servo tool rest.

However, no device for efficiently measuring the positioning accuracy of the three-fluted disc and the repeated positioning accuracy exists in the market, and the rotation positioning accuracy of the fluted disc in actual production needs to be matched with various checking tools, so that the yield and the efficiency of the fluted disc produced by manufacturers are directly influenced. Therefore, the research and design of the detection device for the positioning precision and the repeated positioning precision of the three-fluted disc of the servo tool rest has important practical significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a three-fluted disc positioning and repeated positioning precision detection device for a servo tool rest.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a three-fluted-disc positioning and repeated positioning precision detection device for a servo tool rest comprises a T-shaped fluted plate, wherein the top of the T-shaped fluted plate is fixedly connected with an electric push rod fixing plate, an electric push rod is fixedly installed on the electric push rod fixing plate, the top of the T-shaped fluted plate is detachably and fixedly connected with a sliding bearing fixing plate, a sliding bearing is arranged on the sliding bearing fixing plate and sleeved on a shaft lever of the electric push rod, one end of the shaft lever of the electric push rod is fixedly connected with a right fluted disc fixing plate, a right fluted disc is installed on the right fluted disc fixing plate in a clamping manner, an outer fluted disc sleeve and a sliding bearing sleeve supporting plate are fixedly connected with the top of the T-shaped fluted plate, a bearing sleeve is arranged on the sliding bearing sleeve supporting plate, an inner fluted disc is arranged in the outer fluted disc sleeve, an outer fluted disc sleeved on the inner fluted disc is fixedly arranged in the outer fluted disc sleeve, a stepping motor fixing plate is fixedly connected with the top of the T-shaped fluted plate, be provided with step motor on the step motor fixed plate, be provided with torque sensor on step motor's the output shaft, the top fixedly connected with twenty-four surfaces arris body extension board of T shape frid, one side that twenty-four surfaces arris body extension board is close to outer toothed disc cover is fixed and is provided with twenty-four surfaces arris body cover, be provided with twenty-four surfaces arris body in the twenty-four surfaces arris body cover, step motor's output shaft fixedly connected with pivot, the one end of pivot runs through twenty-four surfaces arris body extension board and extends to in the outer toothed disc cover, the fixed cover of internal tooth dish is established on the outer wall of pivot, be provided with laser displacement sensor on the outer wall of pivot.

Preferably, the sliding bearing fixing plate is screwed with two bolts for fixing with the T-shaped groove plate.

Preferably, the inner wall of the right fluted disc is provided with a plurality of right fluted disc locating pins.

Preferably, a vibration sensor is arranged on the T-shaped groove plate and is positioned between the sliding bearing fixing plate and the external gear sleeve.

Preferably, the inner wall of the outer gear plate sleeve is provided with a plurality of outer gear plate positioning pins, and a plurality of positioning jacks matched with the outer gear plate positioning pins for use are annularly arranged on the outer gear plate.

Preferably, the twenty-four-face prism support plate is symmetrically provided with two twenty-four-face prism sleeve positioning pins for fixing the twenty-four-face prism sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, step motor and mounting part include step motor and step motor fixed plate, step motor is the open loop control motor who changes electric pulse signal into angle displacement or linear displacement, the step motor fixed plate is connected with step motor through four construction bolts, reach and support fixed effect, step motor's base can be followed the X direction and removed, and fix on T shape frid through the bolt, the precision detection part includes the twenty four sides arris body, twenty four sides arris body cover, twenty four sides arris body extension board, twenty four sides arris body cover locating pin, the twenty four sides arris body comprises a arris body that has 24 faces, the inspection tool of the high-accuracy angular degree of contained angle recurrence quantity value between each face of accessible. The device is mainly used for calibrating the indexing errors of the circular indexing instruments such as an optical indexing head, an indexing table, a goniometer and the like, and can also be used as the positioning reference of angles in high-precision machining or measurement. The centering device is even in number, the working angle is integer, the centering device is used for detecting the large periodic error of a shaft system of a circular dividing instrument, the centering measurement can be carried out, compared with the non-integer workpiece angle of an odd number, the polygon of the odd number can comprehensively detect the large periodic error of the shaft system of the circular dividing instrument and the small periodic error of a micrometer, the uncertainty of the circular dividing instrument can be accurately determined, the twenty-four polygon sleeve is matched with the twenty-four polygon along the X-axis direction to fix the twenty-four polygon, and the twenty-four polygon support plate is perpendicular to the X working surface, so that the perpendicularity of the twenty-four polygon can be ensured, and the error of precision measurement can be reduced;

2. in the utility model, the working part of the simulation fluted disc comprises an outer fluted disc sleeve, an outer fluted disc, an inner fluted disc, a right fluted disc fixing plate, an outer fluted disc positioning pin and a right fluted disc positioning pin to detect the precision of the fluted disc, the inner fluted disc is driven by a rotating shaft to rotate, the outer fluted disc is not moved, after rotating for a certain angle, an electric push rod is controlled to push the right fluted disc to be meshed with the right fluted disc, the fluted disc meshing control part comprises a sliding bearing and a bearing sleeve, a sliding bearing, an electric push rod fixing plate and a sliding bearing sleeve supporting plate, the sliding bearing sleeve supporting plate limits the movement in Y and Z directions and the rotation in X, Y, Z directions, so that the electric push rod is used for fixing action, the electric push rod is limited by the electric push rod fixing plate by five degrees of freedom, only the feeding movement in X-axis direction can be carried out, and each precision of the fluted disc can be detected by utilizing the movement of the electric control electric push rod, the sensing system comprises a torque sensor, a laser displacement sensor and a vibration sensor, the torque sensor has the advantages of high precision, fast frequency response, good reliability, long service life and the like, the laser displacement sensor is convenient for directly sending signals into a computer system, so that the measuring time is greatly reduced, the measurement is easier and more convenient, and the vibration sensor is mainly applied to the measurement of static displacement, the measurement of vibration displacement and the vibration measurement of a monitoring rotating shaft in rotating machinery;

3. the utility model discloses in, control section divide into two parts: firstly, a control system sends signals to a PLC through an RS232 interface, a signal output end of the PLC sends the signals to a servo amplifier to control the motor to rotate, an encoder behind the servo motor feeds back a transposition angle signal to the servo amplifier after a three-fluted disc is rotated in place and then feeds back the transposition angle signal to an input end of the PLC, the PLC feeds back the transposition angle signal to an upper computer through the RS232 interface, the upper computer compiles a simple interface through VB software, and feeds back the transposition angle of the three-fluted disc through the interface; and secondly, the upper computer measures data of the three-fluted disc after the three-fluted disc rotates to one position through the displacement sensor, the data are fed back to the industrial personal computer through the acquisition card, the data are returned to the programmed page, and the indexing angle is calculated through the distance.

The utility model discloses simple structure, convenient to use can guarantee three fluted disc positioning accuracy and repeated positioning accuracy to three fluted disc positioning accuracy and repeated positioning accuracy high-efficient measurement to the yield and the efficiency of producer production fluted disc have been improved.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a device for detecting the positioning and repeated positioning accuracy of a three-fluted disc of a servo tool rest according to the present invention;

fig. 2 is a schematic diagram of a partially exploded structure of a three-fluted disc positioning and repeated positioning accuracy detection device for a servo tool post according to the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of the device for positioning the three-fluted disc and detecting the repeated positioning precision of the servo tool rest.

In the figure: 1. a stepping motor; 2. a step motor fixing plate; 3. a torque sensor; 4. a twenty-four faceted prism support plate; 5. a twenty-four pyramid sleeve; 6. a laser displacement sensor; 7. a twenty-four sided prism; 8. a bearing housing; 9. an external gear disk sleeve; 10. an external fluted disc; 11. an inner fluted disc; 12. a right fluted disc; 13. a right fluted disc fixing plate; 14. a sliding bearing; 15. an electric push rod; 16. an electric push rod fixing plate; 17. a sliding bearing sleeve support plate; 18. a T-shaped groove plate; 19. a vibration sensor; 20. a sliding bearing fixing plate; 21. a bolt; 22. a rotating shaft; 23. an external gear disc positioning pin; 24. a right fluted disc locating pin; 25. the twenty-four prisms are sleeved with positioning pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a three-fluted-disc positioning and repeated positioning precision detection device for a servo tool rest comprises a T-shaped fluted plate 18, an electric push rod fixing plate 16 is fixedly connected to the top of the T-shaped fluted plate 18, an electric push rod 15 is fixedly installed on the electric push rod fixing plate 16, a sliding bearing fixing plate 20 is detachably and fixedly connected to the top of the T-shaped fluted plate 18, two bolts 21 for fixing with the T-shaped fluted plate 18 are in threaded connection with the sliding bearing fixing plate 20, a sliding bearing 14 is arranged on the sliding bearing fixing plate 20, the sliding bearing 14 is sleeved on a shaft lever of the electric push rod 15, a right fluted-disc fixing plate 13 is fixedly connected to one end of the shaft lever of the electric push rod 15, a right fluted-disc 12 is installed on the right fluted-disc fixing plate 13 in a clamping manner, a plurality of right fluted-disc positioning pins 24 are arranged on the inner wall of the right fluted disc 12, an outer fluted-disc sleeve 9 and a sliding bearing sleeve support plate 17 are fixedly connected to the top of the T-shaped fluted plate 18, the inner wall of the outer gear disc sleeve 9 is provided with a plurality of outer gear disc positioning pins 23, a plurality of positioning jacks matched with the outer gear disc positioning pins 23 are annularly arranged on the outer gear disc 10, a bearing sleeve 8 is arranged on a sliding bearing sleeve support plate 17, an inner gear disc 11 is arranged in the outer gear disc sleeve 9, an outer gear disc 10 sleeved on the inner gear disc 11 is fixedly arranged in the outer gear disc sleeve 9, the top of a T-shaped groove plate 18 is fixedly connected with a stepping motor fixing plate 2, a stepping motor 1 is arranged on the stepping motor fixing plate 2, a torque sensor 3 is arranged on an output shaft of the stepping motor 1, a twenty-four-face prism support plate 4 is fixedly connected with the top of the T-shaped groove plate 18, one side of the twenty-four-face prism support plate 4 close to the outer gear disc sleeve 9 is fixedly provided with a twenty-four-face prism sleeve 5, two twenty-four-face prism sleeve positioning pins 25 used for fixing the twenty-four-face prism sleeve 5 are symmetrically arranged on the twenty-four-face prism support plate 4, be provided with twenty four sides arris 7 in the twenty four sides arris cover 5, step motor 1's output shaft fixedly connected with pivot 22, in twenty four sides arris extension board 4 extends to outer fluted disc cover 9 is run through to the one end of pivot 22, and inner fluted disc 11 fixed cover is established on the outer wall of pivot 22, is provided with laser displacement sensor 6 on the outer wall of pivot 22, is provided with vibration sensor 19 on the T shape frid 18, and vibration sensor 19 is located between sliding bearing fixed plate 20 and the outer fluted disc cover 9.

Example two

Referring to fig. 1-3, a device for detecting positioning and repeated positioning accuracy of a three-fluted disc of a servo tool rest comprises a T-shaped fluted plate 18, an electric push rod fixing plate 16 is fixedly connected to the top of the T-shaped fluted plate 18, an electric push rod 15 is fixedly installed on the electric push rod fixing plate 16, a sliding bearing fixing plate 20 is detachably and fixedly connected to the top of the T-shaped fluted plate 18, a sliding bearing 14 is arranged on the sliding bearing fixing plate 20, the sliding bearing 14 is sleeved on a shaft lever of the electric push rod 15, a right fluted disc fixing plate 13 is fixedly connected to one end of the shaft lever of the electric push rod 15, a right fluted disc 12 is clamped and installed on the right fluted disc fixing plate 13, an external fluted disc sleeve 9 and a sliding bearing sleeve support plate 17 are fixedly connected to the top of the T-shaped fluted plate 18, a bearing sleeve 8 is arranged on the sliding bearing sleeve support plate 17, an internal fluted disc 11 is arranged in the external fluted disc sleeve 9, an external fluted disc 10 sleeved on the internal fluted disc 11 is fixedly arranged in the external fluted disc sleeve 9, top fixedly connected with step motor fixed plate 2 of T shape frid 18, be provided with step motor 1 on step motor fixed plate 2, be provided with torque sensor 3 on step motor 1's the output shaft, the top fixedly connected with twenty-four sides arris extension board 4 of T shape frid 18, one side that twenty-four sides arris extension board 4 is close to external toothed disc cover 9 is fixed and is provided with twenty-four sides arris cover 5, be provided with twenty-four sides arris 7 in the twenty-four sides arris cover 5, step motor 1's output shaft fixedly connected with pivot 22, the one end of pivot 22 runs through in twenty-four sides arris extension board 4 extends to external toothed disc cover 9, internal toothed disc 11 fixed cover is established on the outer wall of pivot 22, be provided with laser displacement sensor 6 on the outer wall of pivot 22.

The working principle is as follows: step motor 1 and mounting part include step motor 1 and step motor fixed plate 2, step motor 1 is the open loop control motor who changes electric pulse signal into angle displacement or linear displacement, step motor fixed plate 2 is connected with step motor 1 through four construction bolts, reach and support fixed effect, step motor 1's base can be followed the X direction and removed, and fix on T shape frid 18 through the bolt, the precision detection part includes twenty four sides arris body 7, twenty four sides arris body cover 5, twenty four sides arris body extension board 4, twenty four sides arris body cover locating pin 25, twenty four sides arris body 7 comprises the arris body that has 24 faces, the inspection tool of the high accuracy degree of angle that the contained angle comes the recurrence of achievement value between each face of accessible. The device is mainly used for calibrating the indexing errors of the circular indexing instruments such as an optical indexing head, an indexing table, a goniometer and the like, and can also be used as the positioning reference of angles in high-precision machining or measurement. The circular dividing instrument is even in number and regular in working angle, is used for detecting the large periodic error of a shaft system of the circular dividing instrument and can also carry out diameter measurement, compared with the odd-number workpiece angle which is non-regular in number, the multi-face prism of the odd-number face can comprehensively detect the large periodic error of the shaft system of the circular dividing instrument and the small periodic error of a micrometer, can more correctly determine the uncertainty of the circular dividing instrument, the twenty-four-face prism sleeve 5 is matched with the twenty-four-face prism 7 along the X-axis direction to achieve the effect of fixing the twenty-four-face prism 7, the twenty-four-face prism support plate 4 is vertical to the X working face, so the verticality of the twenty-four-face prism 7 can be ensured, the error of precision measurement is reduced, the working part of the simulation fluted disc comprises an external fluted disc sleeve 9, an external fluted disc 10, an internal fluted disc 11, a right fluted disc 12, a right fluted disc fixing plate 13, an external fluted disc positioning pin 23 and a right fluted disc positioning pin 24, the detection of the precision of the fluted disc is carried out, the inner fluted disc 11 is driven by the rotating shaft 22 to rotate, the outer fluted disc 10 is not moved, after rotating for a certain angle, the electric push rod 15 is controlled to push the right fluted disc 12 to be meshed with the right fluted disc, the fluted disc meshing control part comprises a sliding bearing, a bearing sleeve 8, a sliding bearing 14, an electric push rod 15, an electric push rod fixing plate 16 and a sliding bearing sleeve supporting plate 17, the sliding bearing sleeve supporting plate 17 limits the movement in the Y and Z directions and the rotation in the X, Y, Z direction, so that the electric push rod 15 is limited by the electric push rod fixing plate 16 to have five degrees of freedom and can only carry out the feeding movement in the X-axis direction, the motion of the electric push rod 15 is controlled electrically to ensure that each precision of the fluted disc can be detected, the sensing system comprises a torque sensor 3, a laser displacement sensor 6 and a vibration sensor 19, the torque sensor 3 has high precision and fast frequency response, good reliability, advantages such as longe-lived, laser displacement sensor 6 is convenient for directly send into computer system with the signal, and the measuring time that has so significantly reduced is and convenient more easily, and vibration sensor 19 mainly is applied to the vibration measurement of monitoring pivot 22 in the measurement of quiet displacement, the measurement of vibration displacement, the rotating machinery, and control portion divide into two parts: firstly, a control system sends signals to a PLC through an RS232 interface, a signal output end of the PLC sends the signals to a servo amplifier to control the motor to rotate, an encoder behind the servo motor feeds back a transposition angle signal to the servo amplifier after a three-fluted disc is rotated in place and then feeds back the transposition angle signal to an input end of the PLC, the PLC feeds back the transposition angle signal to an upper computer through the RS232 interface, the upper computer compiles a simple interface through VB software, and feeds back the transposition angle of the three-fluted disc through the interface; and secondly, the upper computer measures data of the three-fluted disc after the three-fluted disc rotates to one position through the displacement sensor, the data are fed back to the industrial personal computer through the acquisition card, the data are returned to the programmed page, and the indexing angle is calculated through the distance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A three-fluted-disc positioning and repeated positioning precision detection device for a servo tool rest comprises a T-shaped fluted plate (18) and is characterized in that the top of the T-shaped fluted plate (18) is fixedly connected with an electric push rod fixing plate (16), an electric push rod (15) is fixedly installed on the electric push rod fixing plate (16), the top of the T-shaped fluted plate (18) is detachably and fixedly connected with a sliding bearing fixing plate (20), a sliding bearing (14) is arranged on the sliding bearing fixing plate (20), the sliding bearing (14) is sleeved on a shaft rod of the electric push rod (15), one end of the shaft rod of the electric push rod (15) is fixedly connected with a right fluted-disc fixing plate (13), a right fluted disc (12) is clamped on the right fluted-disc fixing plate (13), an external fluted-disc sleeve (9) and a sliding bearing sleeve support plate (17) are fixedly connected with the top of the T-shaped fluted plate (18), the bearing sleeve (8) is arranged on the sliding bearing sleeve support plate (17), the inner fluted disc (11) is arranged in the outer fluted disc sleeve (9), the outer fluted disc (10) sleeved on the inner fluted disc (11) is fixedly arranged in the outer fluted disc sleeve (9), the top of the T-shaped fluted plate (18) is fixedly connected with a stepping motor fixing plate (2), a stepping motor (1) is arranged on the stepping motor fixing plate (2), a torque sensor (3) is arranged on an output shaft of the stepping motor (1), the top of the T-shaped fluted plate (18) is fixedly connected with a twenty-four-face prism support plate (4), one side of the twenty-four-face prism support plate (4) close to the outer fluted disc sleeve (9) is fixedly provided with a twenty-four-face prism sleeve (5), twenty-four-face prisms (7) are arranged in the twenty-four-face prism sleeve (5), and an output shaft (22) of the stepping motor (1) is fixedly connected with a rotating shaft, one end of the rotating shaft (22) penetrates through the twenty-four-face prism support plate (4) and extends into the outer gear disc sleeve (9), the inner gear disc (11) is fixedly sleeved on the outer wall of the rotating shaft (22), and the outer wall of the rotating shaft (22) is provided with the laser displacement sensor (6).

2. The device for detecting the positioning accuracy and the repeated positioning accuracy of the three-toothed disc of the servo tool rest according to claim 1, wherein the sliding bearing fixing plate (20) is in threaded connection with two bolts (21) for fixing with the T-shaped slotted plate (18).

3. The device for detecting the positioning accuracy and the repeated positioning accuracy of the three-toothed disc of the servo tool rest according to claim 1, wherein a plurality of right-toothed disc positioning pins (24) are arranged on the inner wall of the right-toothed disc (12).

4. The device for detecting the positioning and repeated positioning accuracy of the three-toothed disc of the servo tool rest according to claim 1, wherein the T-shaped groove plate (18) is provided with a vibration sensor (19), and the vibration sensor (19) is located between the sliding bearing fixing plate (20) and the outer toothed disc sleeve (9).

5. The device for detecting the positioning precision and the repeated positioning precision of the three-toothed disc of the servo tool rest according to claim 1, wherein a plurality of outer-toothed disc positioning pins (23) are disposed on an inner wall of the outer-toothed disc sleeve (9), and a plurality of positioning insertion holes used in cooperation with the outer-toothed disc positioning pins (23) are annularly disposed on the outer-toothed disc (10).

6. The device for detecting the positioning precision and the repeated positioning precision of the three-fluted disc of the servo tool rest according to claim 1, wherein two twenty-four-sided prism sleeve positioning pins (25) for fixing the twenty-four-sided prism sleeve (5) are symmetrically arranged on the twenty-four-sided prism support plate (4).

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