CN112683209A - Line gear machining precision detection table - Google Patents
Line gear machining precision detection table Download PDFInfo
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Abstract
The invention discloses a line gear machining precision detection table. The detection platform comprises a working platform, a detection sensor, an XY axis displacement platform, a Z axis lifting platform, a gear clamping device, a fine adjustment device, a control system and a data acquisition system; an XY axis displacement table, a gear clamping device setting and fine adjustment device are arranged on the working platform; the X-axis and Y-axis guide rails are crossed roller guide rails, a lead screw nut is positioned in the middle of the crossed roller guide rails and drives the X-axis or the Y-axis to move respectively through the lead screw nut, and an XY-axis moving platform is provided with a first grating ruler and a second grating ruler which form closed-loop control with a first servo motor and a second servo motor respectively to realize accurate positioning; the detection sensor is arranged on the Z-axis lifting table; the Z-axis lifting platform is arranged on the XY-axis displacement platform. The linear gear machining precision detection table is provided with a high-precision grating ruler, and a closed loop is formed by the linear gear machining precision detection table and a servo motor control system, so that the detection precision of a gear is improved.
Description
Technical Field
The invention relates to gear machining precision detection equipment, in particular to a line gear machining precision detection table.
Background
The gear is one of key parts in the industry, the development of the industry is always accompanied, the invention of the gear brings great changes to our life, the gear is widely applied, higher requirements on machining precision are provided, the gear machining precision detection technology can be used for evaluating the gear precision, and corresponding detection equipment comprises a CNC gear measurement center, a gear double-face meshing comprehensive inspection instrument, a gear radial run-out detector, a gear tooth profile and tooth direction detector, a common normal micrometer, a chordal tooth height vernier caliper, a tooth thickness micrometer and the like.
The parallel axis gear is a novel gear based on a space conjugate curve meshing theory, has the characteristics of less tooth number, high transmission efficiency, large transmission ratio and the like, has the minimum tooth number of 1, and can be applied to food, instruments, packaging machinery, toys, miniature robots and other low-power transmission devices. At present, with the development of recent years, the related theory and the processing method of the line gear are increasingly perfected, and the requirements are put forward on the line gear detection technology.
The existing gear detection equipment is mainly developed aiming at an involute gear and is not suitable for a novel gear-a linear gear. Therefore, a line gear detection device which is simple and convenient to operate, reasonable in cost and capable of meeting the use requirements needs to be designed.
Disclosure of Invention
In order to solve the problem that the existing gear detection equipment is not suitable for detecting a line gear, the invention provides a line gear machining precision detection table which controls the relative position between a detection sensor and a detected gear through a servo motor and realizes continuous detection of the line gear by acquiring data through the detection sensor. The detection table is designed based on the relevant theory of the line gear, the detection requirement of the line gear can be met, and the detection table is simple and convenient to operate, low in cost and high in detection efficiency.
The purpose of the invention is realized by at least one of the following technical solutions.
A line gear machining precision detection table comprises a working platform, a detection sensor, an XY axis displacement table, a Z axis lifting table, a gear clamping device, a fine adjustment device, a control system and a data acquisition system; an XY axis displacement table, a gear clamping device setting and fine adjustment device are arranged on the working platform; the X-axis and Y-axis moving table is provided with a first servo motor and a second servo motor which are respectively used for driving the linear motion of the X-axis and the Y-axis, the servo motor converts the rotation into the linear motion through a screw nut, the guide rails of the X-axis and the Y-axis adopt crossed roller guide rails, the screw nut is positioned in the middle of the crossed roller guide rails and respectively drives the X-axis or the Y-axis to move through the screw nut, the crossed roller guide rails can improve the motion precision of the guide rails, and the XY-axis moving table is provided with a first grating ruler and a second grating ruler which respectively form closed-loop control with the first servo motor and the second servo motor to realize accurate positioning; the detection sensor is arranged on the Z-axis lifting table; the Z-axis lifting platform is arranged on the XY-axis displacement platform.
Furthermore, the detection sensor is fixedly connected with the adapter plate through screw fixation, a plurality of hole sites are arranged on the adapter plate, the position of the detection sensor is adjusted according to requirements, the adapter plate is fixed on the Z-axis lifting table through screws, and the Z-axis lifting table comprises a table body, a micrometer knob, a micrometer scale and a fixed knob; the bench is provided with micrometer knob, micrometer scale and fixed knob on one's body, wherein rotate micrometer knob and be used for adjusting the height of Z axle mobile station, and the high accessible micrometer scale of Z axle directly reads, and the fixed knob of screwing is used for fixed Z axle height, avoids the maloperation and changes the height that has adjusted in advance.
Further, the gear clamping device comprises a bottom moving plate, a support body, a connecting base plate, a clamping main body and a driving system; the bottom moving plate is provided with a support body, the support body is connected with a connecting base plate, and the clamping main body is fixedly connected with the connecting base plate through a screw;
the clamping main body comprises an upward pushing device, a clamping handle, an upward pushing roller, a first roller, a second roller, a gear clamping rod, an adjusting knob and a clamping support seat; the jacking device, the clamping handle, the first roller, the second roller and the adjusting knob are all arranged on the clamping support seat; the jacking device comprises a jacking main body, a jacking screw, a jacking roller adjusting screw and an adjusting and fixing screw; the upper jacking main body is fixed on the clamping support seat through a screw; the upward jacking device is connected with the clamping handle, the adjusting knob is positioned below the clamping handle, the tightening upward jacking screw is used for fixing the clamping handle, the loosening adjusting knob is used for adjusting the height of the clamping handle, the rotating adjusting fixing screw is used for adjusting the opening range of the clamping handle, and the upward jacking roller adjusting screw is used for adjusting the tightness degree of the upward jacking roller; the gear to be tested is fixed on a gear clamping rod, and the gear clamping rod is clamped on the gear clamping device through an upper jacking roller, a first roller and a second roller; the bottom moving plate is fixedly connected with the working platform through screws, the position of the bottom moving plate can be adjusted in the X-axis direction by loosening the screws, and the support body is fixedly connected with the bottom moving plate through screws; the driving system comprises a motor bracket, an A-axis servo motor and a coupler; a axle servo motor passes through screw and motor support fixed connection, the motor support is fixed in on connecting the backing plate, A axle servo motor passes through the fix with screw on the motor support, A axle servo motor passes through the shaft coupling and transmits the second roller with the moment of torsion, first roller, the gear clamping stick is cliied jointly to second roller and last top roller, the running error between the three roller can offset each other to a certain extent, improve the centre gripping precision, can make things convenient for quick assembly disassembly gear clamping stick simultaneously, the second roller rotates, drive first roller through frictional force, it rotates to go up top roller and gear clamping stick, thereby it is surveyed gear revolve to drive.
Further, the fine adjustment device comprises a fine adjustment micrometer, a micrometer fixing support, a movable guide rail and an adjusting screw; the fine adjustment micrometer is fixedly connected with the micrometer fixing support through a screw; the micrometer fixing support is connected with the movable guide rail and slides on the movable guide rail; and loosening the adjusting screw to move the position of the fine adjustment micrometer, and tightening the adjusting screw to fix the position of the fine adjustment micrometer.
Furthermore, the control system and the data acquisition system comprise a grating ruler, a servo drive motor, an industrial control card and an upper computer; the upper computer sends an instruction to the industrial control card, the industrial control card controls the movement of the servo motor, the grating ruler collects position information and feeds the position information back to the industrial control card to form closed-loop control, and the upper computer collects the position information through the servo encoder and the grating ruler and stores the position information in the memory.
Furthermore, the acquisition system comprises a sensor, a data acquisition card and an acquisition program, wherein the sensor comprises a built-in motor encoder, a detection sensor, a first grating ruler and a second grating ruler, the acquisition program is integrated in a control program, the data acquisition card is integrated on a control card, and the acquisition system is used for acquiring the position information of the XY axes and recording the data acquired by the detection sensor.
Further, the work platform is a marble platform.
Compared with the prior art, the invention has the beneficial effects that:
1. the line gear machining precision detection table adopts friction transmission torque, and can protect the detection device and the servo drive motor while ensuring reliability.
2. A servo motor and a grating ruler encoder are adopted to form closed-loop control, and detection precision is improved.
3. The fine adjustment device is adopted, so that the mutual position relation between the gear and the detection sensor can be well ensured.
4. Should examine test table and adopt gear clamping device, can adjust according to the size of being surveyed the gear, the suitability is high, makes things convenient for the installation and the dismantlement of being surveyed the gear, improves detection efficiency.
Drawings
Fig. 1 is a schematic structural view of a gear machining precision detection table of the present line.
Fig. 2 is a schematic structural view of a Z-axis lifting table and a detection sensor of the gear machining precision detection table.
Fig. 3 is a structural schematic diagram of a gear clamping device of the gear machining precision detection table of the present line.
Fig. 4 is a front view of the clamping main body of the gear machining precision detection table of the present line.
Fig. 5 is a schematic structural view of a fine adjustment device of the gear machining precision detection table.
Fig. 6 is a schematic diagram of the present line gear machining precision detection table.
The various components in the figure are as follows:
the device comprises a detection sensor 1, an XY axis displacement table 2, a first servo motor 3, a Z axis lifting table 4, a first grating ruler 5, a working platform 6, a fine adjustment device 7, a gear clamping device 8, a second servo motor 9, a second grating ruler 10, an adapter plate 11, a micrometer scale 12, a micrometer knob 13, a fixed knob 14, a table body 15, an upper jacking device 16, an upper jacking roller 17, a first roller 18, a gear clamping rod 19, a measured gear 20, a second roller 21, an adjusting knob 22, a bottom moving plate 23, a supporting body 24, a connecting pad plate 25, a clamping handle 26, a motor support 27, a coupler 28, an A axis servo motor 29, an upper jacking screw 30, an upper jacking main body 31, an upper jacking roller adjusting screw 32, an adjusting fixed screw 33, a micrometer fixing support 34, a moving guide rail 35, an adjusting screw 36, a fine adjustment micrometer 37 and a clamping support 38.
Detailed Description
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention 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 all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the scope of the present invention.
As shown in fig. 1 to 6, a line gear machining accuracy detection table is characterized in that: the device comprises a working platform 6, a detection sensor 1, an XY axis displacement table 2, a Z axis lifting table 4, a gear clamping device 8, a fine adjustment device 7, a control system and a data acquisition system; the working platform 6 is provided with an XY axis displacement table 2, a gear clamping device 8 and a fine adjustment device 7; the XY-axis moving table 2 is provided with a first servo motor 3 and a second servo motor 9 which are respectively used for driving linear motion of XY axes, the servo motors convert rotation into linear motion through lead screw nuts, guide rails of an X axis and a Y axis adopt crossed roller guide rails, the lead screw nuts are positioned in the middle of the crossed roller guide rails and respectively drive the X axis or the Y axis to move through the lead screw nuts, the crossed roller guide rails can improve the motion precision of the guide rails, and the XY-axis moving table 2 is provided with a first grating ruler 5 and a second grating ruler 10 which respectively form closed-loop control with the first servo motor 3 and the second servo motor 9 so as to realize accurate positioning; the detection sensor 1 is arranged on the Z-axis lifting table 4; the Z-axis lifting table 4 is arranged on the XY-axis displacement table 2. The detection sensor 1 is fixedly connected with an adapter plate 11 through screw fixation, a plurality of hole sites are arranged on the adapter plate, the position of the detection sensor 1 is adjusted according to requirements, the adapter plate 11 is fixed on a Z-axis lifting table 4 through screws, and the Z-axis lifting table 4 comprises a table body 15, a micrometer knob 13, a micrometer scale 12 and a fixing knob 14; the bench body 15 is provided with a micrometer knob 13, a micrometer scale 12 and a fixed knob 14, wherein the micrometer knob 13 is rotated to adjust the height of the Z-axis moving bench, the Z-axis height can be directly read through the micrometer scale 12, and the fixed knob 14 is screwed to fix the Z-axis height, so that the preset height is prevented from being changed due to misoperation. The gear clamping device 8 comprises a bottom moving plate 23, a support body 24, a connecting base plate 25, a clamping main body and a driving system; the bottom moving plate 23 is provided with a support body 24, the support body 24 is connected with a connecting base plate 25, and the clamping main body is fixedly connected with the connecting base plate through a screw; the clamping main body comprises an upper jacking device 16, a clamping handle 26, an upper jacking roller 17, a first roller 18, a second roller 21, a gear clamping rod 19, an adjusting knob 22 and a clamping support seat 38; the upper jacking device 16, the clamping handle 26, the first roller 18, the second roller 21 and the adjusting knob 22 are all arranged on the clamping support seat 38; the upper jacking device 16 comprises an upper jacking main body 31, an upper jacking screw 30, an upper jacking roller 17 adjusting screw 32 and an adjusting fixing screw 33; the upper top main body 31 is fixed on the clamping support seat 38 through screws; the upward jacking device 16 is connected with a clamping handle 26, the adjusting knob 22 is positioned below the clamping handle 26, the tightening upward jacking screw 30 fixes the clamping handle 26, the loosening adjusting knob 22 is used for adjusting the height of the clamping handle 26, the rotating adjusting and fixing screw 33 is used for adjusting the opening amplitude of the clamping handle 26, and the upward jacking roller adjusting screw 32 is used for adjusting the tightness degree of the upward jacking roller 17; the gear to be measured 20 is fixed on a gear clamping rod 19, and the gear clamping rod 19 is clamped on the gear clamping device 8 through an upper jacking roller 17, a first roller 18 and a second roller 21; the bottom moving plate 23 is fixedly connected with the working platform 6 through screws, the position of the bottom moving plate 23 can be adjusted in the X-axis direction by loosening the screws, and the support body 24 is fixedly connected with the bottom moving plate 23 through screws; the driving system comprises a motor bracket 27, an A-axis servo motor 29 and a coupling 28; a axle servo motor 29 passes through screw and motor support 27 fixed connection, motor support 27 is fixed in on connecting backing plate 25, A axle servo motor 29 passes through the fix with screw on motor support 27, A axle servo motor 29 passes through shaft coupling 28 and transmits the moment of torsion to second roller 21, first roller 18, gear clamping rod 19 is cliied jointly to second roller 21 and last top roller 17, the running error between the three roller can offset each other to a certain extent, improve the centre gripping precision, can make things convenient for quick assembly disassembly gear clamping rod 19 simultaneously, second roller 21 rotates, drive first roller 18 through frictional force, it rotates to go up top roller 17 and gear clamping rod 19, thereby the drive is surveyed gear revolve. The fine adjustment device comprises a fine adjustment micrometer 37, a micrometer fixing support 34, a movable guide rail 35 and an adjusting screw 36; the vernier micrometer 37 is fixedly connected with the micrometer fixing support 34 through a screw; the micrometer fixing support 34 is connected with the moving guide rail 35, and the micrometer fixing support 34 slides on the moving guide rail 35; loosening the adjusting screw 36 moves the position of the vernier micrometer 37, and tightening the adjusting screw 36 fixes the position of the vernier micrometer 37. The control system and the data acquisition system comprise a grating ruler, a servo drive motor, an industrial control card and an upper computer; the upper computer sends an instruction to the industrial control card, the industrial control card controls the movement of the servo motor, the grating ruler collects position information and feeds the position information back to the industrial control card to form closed-loop control, and the upper computer collects the position information through the servo encoder and the grating ruler and stores the position information in the memory. The control program and the data acquisition program run on the upper computer, the upper computer and the control card are communicated with each other through a communication cable, the control card and the terminal board are communicated with each other through the communication cable, the driver and the sensor are connected to the terminal board, the control program and the data acquisition program send control signals to the control card, the control card sends the control signals to the driver through the terminal board connected with the control card, the driver drives the motor to move, and the motor rotates to drive the corresponding shaft to rotate, so that the motion of the XYA three shafts is realized respectively. Data collected by the sensor is fed back to the control card through the terminal board, the control card transmits the data to software of the upper computer, and the software stores the data in a local disk (as shown in fig. 6). The working platform 6 is a marble platform.
The installation process of gear clamping stick 19 is not hard up and is pushed up screw 30, not hard up adjusting knob 22, will altitude mixture control to suitable position, screws up adjusting knob 22, will push up roller adjusting screw 32 and adjust the suitable elasticity degree with adjusting fixing screw 33, presses the end of centre gripping handle 36, mentions and pushes up roller 17, inserts gear clamping stick 19, then screws up and pushes up screw 30, fixes gear clamping stick 19.
Adjust the relative position relation that detects sensor 1 and gear clamping rod 19 on the gear clamping device 8, after having installed gear clamping rod 19 according to above step, remove the Y axle and make detection sensor 1 and gear clamping rod 19 contact, remove the X axle, observe the registration that detects sensor 1, use the micromatic setting to adjust, until the registration no longer changes, adjust the back fixed can, the method of micromatic setting is as follows: loosening the adjusting screw 36, adjusting the vernier micrometer 37 to a proper position, screwing the adjusting screw 36, fixing the vernier micrometer 37, and adjusting the vernier micrometer 37 according to the reading of the detection sensor 1.
When the gear is detected, the gear to be detected 20 is installed on the gear clamping rod 19, the X axis and the Y axis are moved to determine a starting point, theoretical parameters of the gear to be detected 19 are input, detection can be started, the height of the Z axis needs to be adjusted again every time the gear to be detected is replaced, the height of the Z axis is achieved by rotating the micrometer knob 13, the indication number of the micrometer scale 12 needs to be paid attention to constantly in the adjustment process, and the fixing knob 14 is screwed down to fix the height after the adjustment is finished.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a line gear machining precision detects platform which characterized in that: the device comprises a working platform (6), a detection sensor (1), an XY axis displacement platform (2), a Z axis lifting platform (4), a gear clamping device (8), a fine adjustment device (7), a control system and a data acquisition system; an XY axis displacement table (2), a gear clamping device (8) and a fine adjustment device (7) are arranged on the working platform (6); the X-axis and Y-axis moving table (2) is provided with a first servo motor (3) and a second servo motor (9) which are respectively used for driving the linear motion of the X-axis and the Y-axis, the servo motor converts the rotation into the linear motion through a screw nut, the guide rails of the X-axis and the Y-axis adopt crossed roller guide rails, the screw nut is positioned in the middle of the crossed roller guide rails and respectively drives the X-axis or the Y-axis to move through the screw nut, the crossed roller guide rails can improve the motion precision of the guide rails, and the X-axis and Y-axis moving table (2) is provided with a first grating ruler (5) and a second grating ruler (10) which respectively form closed-loop control with the first servo motor (3) and the second servo motor (9; the detection sensor (1) is arranged on the Z-axis lifting table (4); the Z-axis lifting platform (4) is arranged on the XY-axis displacement platform (2).
2. The line gear machining accuracy detection table according to claim 1, characterized in that: the detection sensor (1) is fixedly connected with the adapter plate (11) through screw fixation, a plurality of hole sites are arranged on the adapter plate, the position of the detection sensor (1) is adjusted according to requirements, the adapter plate (11) is fixed on the Z-axis lifting table (4) through screws, and the Z-axis lifting table (4) comprises a table body (15), a micrometer knob (13), a micrometer scale (12) and a fixing knob (14); be provided with micrometer knob (13), micrometer scale (12) and fixed knob (14) on platform body (15), wherein rotatory micrometer knob (13) are used for adjusting the height of Z axle mobile station, and fixed knob (14) of screwing are used for fixed Z axle height, avoid the maloperation and change the height of adjusting in advance.
3. The line gear machining accuracy detection table according to claim 1, characterized in that: the gear clamping device (8) comprises a bottom moving plate (23), a support body (24), a connecting base plate (25), a clamping main body and a driving system; a support body (24) is arranged on the bottom moving plate (23), a connecting base plate (25) is connected to the support body (24), and the clamping main body is fixedly connected with the connecting base plate through a screw;
the clamping main body comprises an upward jacking device (16), a clamping handle (26), an upward jacking roller (17), a first roller (18), a second roller (21), a gear clamping rod (19), an adjusting knob (22) and a clamping support seat (38); the jacking device (16), the clamping handle (26), the first roller (18), the second roller (21) and the adjusting knob (22) are all arranged on the clamping support seat (38); the jacking device (16) comprises a jacking main body (31), a jacking screw (30), a jacking roller (17), an adjusting screw (32) and an adjusting fixing screw (33); the upper top main body (31) is fixed on the clamping support seat (38) through a screw; the upward jacking device (16) is connected with the clamping handle (26), the adjusting knob (22) is positioned below the clamping handle (26), the clamping handle (26) is fixed by screwing the upward jacking screw (30), the adjusting knob (22) is loosened to adjust the height of the clamping handle (26), the opening amplitude of the clamping handle (26) is adjusted by rotating the adjusting and fixing screw (33), and the tightness degree of the upward jacking roller (17) is adjusted by the upward jacking roller adjusting screw (32); the gear to be detected (20) is fixed on a gear clamping rod (19), and the gear clamping rod (19) is clamped on the gear clamping device (8) through an upper jacking roller (17), a first roller (18) and a second roller (21); the bottom moving plate (23) is fixedly connected with the working platform (6) through screws, the position of the bottom moving plate (23) can be adjusted in the X-axis direction by loosening the screws, and the support body (24) is fixedly connected with the bottom moving plate (23) through the screws;
the driving system comprises a motor bracket (27), an A-axis servo motor (29) and a coupling (28); a axle servo motor (29) passes through screw and motor support (27) fixed connection, motor support (27) are fixed in on connecting backing plate (25), A axle servo motor (29) pass through the fix with screw on motor support (27), A axle servo motor (29) pass through shaft coupling (28) with the moment of torsion transmission to second roller (21), first roller (18), gear holding stick (19) are cliied jointly to second roller (21) and last top roller (17), the running error between the three roller can offset each other to a certain extent, improve the centre gripping precision, can make things convenient for quick assembly disassembly and disassembly gear holding stick (19) simultaneously, second roller (21) rotate, drive first roller (18) through frictional force, top roller (17) and gear holding stick (19) rotate, thereby the drive is surveyed the gear rotation.
4. The line gear machining accuracy detection table according to claim 1, characterized in that: the fine adjustment device comprises a fine adjustment micrometer (37), a micrometer fixing support (34), a movable guide rail (35) and an adjusting screw (36); the fine adjustment micrometer (37) is fixedly connected with the micrometer fixing support (34) through a screw; the micrometer fixing support (34) is connected with the moving guide rail (35), and the micrometer fixing support (34) slides on the moving guide rail (35); the position of the fine adjustment micrometer (37) is moved by loosening the adjusting screw (36), and the position of the fine adjustment micrometer (37) is fixed by tightening the adjusting screw (36).
5. The line gear machining accuracy detection table according to claim 1, characterized in that: the control system and the data acquisition system comprise a grating ruler, a servo drive motor, an industrial control card and an upper computer; the upper computer sends an instruction to the industrial control card, the industrial control card controls the movement of the servo motor, the grating ruler collects position information and feeds the position information back to the industrial control card to form closed-loop control, and the upper computer collects the position information through the servo encoder and the grating ruler and stores the position information in the memory.
6. The line gear machining accuracy detection table according to claim 1, characterized in that: the acquisition system comprises a sensor, a data acquisition card and an acquisition program, wherein the sensor comprises a built-in motor encoder, a detection sensor (1), a first grating ruler (5) and a second grating ruler (10), the acquisition program is integrated in a control program, the data acquisition card is integrated on a control card, and the acquisition system is used for acquiring the position information of the XY axes and recording the data acquired by the detection sensor (1).
7. The line gear machining accuracy detection table according to claim 1, characterized in that: the working platform (6) is a marble platform.
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| CN202011521868.8A CN112683209B (en) | 2020-12-21 | 2020-12-21 | Line gear machining precision detection table |
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| CN114608409A (en) * | 2022-03-18 | 2022-06-10 | 山东东益机械制造有限公司 | Detection device and detection method for common normal of external teeth of coupler for rail transit |
| CN114770437A (en) * | 2022-05-05 | 2022-07-22 | 桂林航天工业学院 | Small-size high accuracy moving platform |
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