CN112683209B - Line gear machining precision detection table - Google Patents
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Abstract
The invention discloses a wire 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; the working platform is provided with an XY axis displacement table, a gear clamping device and a fine adjustment device; the X-axis and Y-axis uniform guide rails adopt crossed roller guide rails, a screw rod nut is positioned in the middle of the crossed roller guide rails, the X-axis or Y-axis movement is driven by the screw rod nut respectively, a first grating ruler and a second grating ruler are arranged on an XY-axis moving table, and closed-loop control is formed with a first servo motor and a second servo motor respectively, so that accurate positioning is realized; the detection sensor is arranged on the Z-axis lifting table; the Z-axis lifting table is arranged on the XY-axis displacement table. The linear gear machining precision detection table is provided with a high-precision grating ruler, and forms a closed loop with a servo motor control system, so that the detection precision of gears is improved.
Description
Technical Field
The invention relates to gear machining precision detection equipment, in particular to a wire gear machining precision detection table.
Background
The gear is one of key parts in industry, the invention of the gear brings great change to our life along with industrial development all the time, the gear is widely applied, and simultaneously, higher requirements are put forward on the machining precision, the gear machining precision detection technology can be used for evaluating the gear precision, the corresponding detection equipment is provided with a CNC gear measuring center, a gear double-sided meshing comprehensive inspection instrument, a gear radial runout detector, a gear tooth profile orientation detector, a common normal micrometer, a chord tooth height vernier caliper, a tooth thickness micrometer and the like.
The parallel axis gear is a novel gear based on space conjugate curve meshing theory, has the characteristics of few teeth, high transmission efficiency, large transmission ratio and the like, has the minimum teeth of 1, and can be applied to transmission devices of foods, instruments, packaging machinery, toys, microminiature robots and other small and medium power. At present, with the development of recent years, the related theory and processing method of the wire gear are increasingly perfected, and requirements are provided for the wire gear detection technology.
The existing gear detection equipment is developed mainly aiming at involute gears and is not suitable for novel gears, namely line gears. Therefore, a wire gear detection device which is simple and convenient to operate and reasonable in cost and can meet the use requirement is needed to be designed.
Disclosure of Invention
In order to solve the problem that the existing gear detection equipment is not suitable for detecting gears, the invention provides a gear machining precision detection table. The detection table is designed based on the related theory of the wire gear, can meet the detection requirement of the wire gear, and is simple and convenient to operate, low in cost and high in detection efficiency.
The object of the invention is achieved by at least one of the following technical solutions.
A wire 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; the working platform is provided with an XY axis displacement table, a gear clamping device and a fine adjustment device; 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 an X-axis, the servo motors convert rotation into linear motion through screw nuts, all guide rails of the X-axis and the Y-axis adopt crossed roller guide rails, the screw nuts are positioned in the middle of the crossed roller guide rails, the X-axis or the Y-axis are respectively driven to move through the screw nuts, the crossed roller guide rails can improve the motion precision of the guide rails, the X-axis moving table is provided with a first grating ruler and a second grating ruler, and closed-loop control is formed between the first grating ruler and the second grating ruler and the first servo motor and the second servo motor respectively, so that accurate positioning is realized; the detection sensor is arranged on the Z-axis lifting table; the Z-axis lifting table is arranged on the XY-axis displacement table.
Further, 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 fixing knob; the bench is provided with a micrometer knob, a micrometer scale and a fixed knob, wherein the rotary micrometer knob is used for adjusting the height of the Z-axis moving platform, the Z-axis height can be directly read through the micrometer scale, and the fixed knob is screwed for fixing the Z-axis height, so that misoperation is avoided and the preset height is changed.
Further, the gear clamping device comprises a bottom moving plate, a supporting 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 upper jacking device, a clamping handle, an upper jacking roller, a first roller, a second roller, a gear clamping rod, an adjusting knob and a clamping supporting 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 fixing screw; the upper top main body is fixed on the clamping support seat through a screw; the upper jacking device is connected with the clamping handle, the adjusting knob is positioned below the clamping handle, the upper jacking screw is screwed to fix the clamping handle, the adjusting knob is unscrewed to be used for adjusting the height of the clamping handle, the fixing screw is rotated to be adjusted to adjust the opening amplitude of the clamping handle, and the upper jacking roller adjusting screw is used for adjusting the tightness degree of the upper 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 top roller, a first roller and a second roller; the bottom moving plate is fixedly connected with the working platform through screws, the positions of the bottom moving plate can be adjusted in the X-axis direction by loosening the screws, and the supporting body is fixedly connected with the bottom moving plate through the screws; the driving system comprises a motor bracket, an A-axis servo motor and a coupler; axis servo motor passes through screw and motor support fixed connection, motor support is fixed in on the connection backing plate, and A axis servo motor passes through screw fixation on motor support, and A axis servo motor passes through the shaft coupling with moment of torsion transmission to the second roller, and first roller, second roller and last top roller clip the gear grip stick jointly, and the rotation error between the three roller can offset each other to a certain extent, improves the centre gripping precision, can make things convenient for quick assembly disassembly gear grip stick simultaneously, and the second roller rotates, drives first roller, goes up top roller and gear grip stick rotation through frictional force to drive the gear rotation of being surveyed.
Further, the fine adjustment device comprises a fine adjustment micrometer, a micrometer fixed support, a movable guide rail and an adjusting screw; the fine-tuning micrometer is fixedly connected with the micrometer fixing support through a screw; the micrometer fixed support is connected with the movable guide rail, and slides on the movable guide rail; unscrewing the adjusting screw moves the position of the fine tuning micrometer, and screwing the adjusting screw fixes the position of the fine tuning micrometer.
Further, the control system and the data acquisition system comprise a grating ruler, a servo driving 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 servo motor to move, 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.
Further, the acquisition system comprises a sensor, a data acquisition card and an acquisition program, wherein the sensor comprises a motor built-in 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 the control card, and the acquisition system is used for acquiring position information of an XY axis and recording data acquired by the detection sensor.
Further, the working platform is a marble platform.
Compared with the prior art, the invention has the beneficial effects that:
1. the wire gear machining precision detection table adopts friction transmission torque, and can protect the detection device and the servo driving motor while guaranteeing reliability.
2. The servo motor and the grating ruler encoder form closed-loop control, so that the detection precision is improved.
3. By adopting the fine adjustment device, the mutual position relationship between the gear and the detection sensor can be well ensured.
4. The detection table adopts the gear clamping device, can be adjusted according to the size of the detected gear, has high applicability, is convenient to install and detach the detected gear, and improves the detection efficiency.
Drawings
Fig. 1 is a schematic diagram of the structure of the present wire gear machining accuracy detecting table.
Fig. 2 is a schematic diagram of the structure of the Z-axis lifting table and the detection sensor of the present wire gear machining precision detection table.
Fig. 3 is a schematic diagram of the structure of the gear clamping device of the line gear machining precision detection table.
Fig. 4 is a front view of the present wire gear machining accuracy detecting table holding body.
Fig. 5 is a schematic structural diagram of a fine adjustment device of the machining precision detection table for the wire gear.
Fig. 6 is a schematic diagram of the present wire gear machining accuracy detecting table.
The individual 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 tested gear 20, a second roller 21, an adjusting knob 22, a bottom moving plate 23, a supporting body 24, a connecting base plate 25, a clamping handle 26, a motor bracket 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 fixed support 34, a moving guide rail 35, an adjusting screw 36, a micrometer 37 and a clamping supporting seat 38.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and all other embodiments obtained by those skilled in the art without making any creative effort shall fall within the scope of the present invention.
As shown in fig. 1 to 6, a wire 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 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 an X-axis, the servo motors convert rotation into linear motion through screw nuts, all guide rails of the X-axis and the Y-axis adopt crossed roller guide rails, the screw nuts are positioned in the middle of the crossed roller guide rails, the screw nuts respectively drive the X-axis or the Y-axis to move, the crossed roller guide rails can improve the guide rail movement precision, the X-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, and accurate positioning is realized; 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 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; 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 used for adjusting the height of the Z-axis moving table, the Z-axis height can be directly read through the micrometer scale 12, and the fixed knob 14 is screwed for fixing 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 supporting body 24, a connecting base plate 25, a clamping main body and a driving system; the bottom moving plate 23 is provided with a supporting body 24, the supporting 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 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 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 a screw; the upper 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 upper jacking screw 30, the adjusting knob 22 is unscrewed to adjust the height of the clamping handle 26, the adjusting fixing screw 33 is rotated to adjust the opening amplitude of the clamping handle 26, and the upper jacking roller adjusting screw 32 is used for adjusting the tightness degree of the upper jacking roller 17; the gear 20 to be tested 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 top 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 positions of the bottom moving plate 23 can be adjusted in the X-axis direction by loosening the screws, and the supporting 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 coupler 28; the A-axis servo motor 29 is fixedly connected with the motor support 27 through screws, the motor support 27 is fixed on the connecting base plate 25, the A-axis servo motor 29 is fixed on the motor support 27 through screws, the A-axis servo motor 29 transmits torque to the second roller 21 through the coupler 28, the first roller 18, the second roller 21 and the upper top roller 17 clamp the gear clamping rod 19 together, rotation errors among the three rollers can offset each other to a certain extent, clamping accuracy is improved, meanwhile, the gear clamping rod 19 can be conveniently and rapidly disassembled and assembled, the second roller 21 rotates, and the first roller 18, the upper top roller 17 and the gear clamping rod 19 are driven to rotate through friction force, so that a measured gear is driven to rotate. The fine adjustment device comprises a fine adjustment micrometer 37, a micrometer fixed support 34, a movable guide rail 35 and an adjusting screw 36; the micro-adjustment micrometer 37 is fixedly connected with the micrometer fixing support 34 through a screw; the micrometer fixed support 34 is connected with the movable guide rail 35, and the micrometer fixed support 34 slides on the movable guide rail 35; unscrewing the adjusting screw 36 moves the position of the fine tuning micrometer 37, and tightening the adjusting screw 36 fixes the position of the fine tuning micrometer 37. The control system and the data acquisition system comprise a grating ruler, a servo driving 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 servo motor to move, 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 a 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 XYA three-axis movement is realized respectively. The data collected by the sensor is fed back to the control card through the terminal board, the control card transmits the data to the software of the upper computer, and the software stores the data to the local disk (shown in fig. 6). The working platform 6 is a marble platform.
In the installation process of the gear clamping rod 19, the upper top screw 30 is loosened, the adjusting knob 22 is loosened, the height is adjusted to a proper position, the adjusting knob 22 is screwed down, the upper top roller adjusting screw 32 and the adjusting fixing screw 33 are adjusted to proper tightness, the tail end of the clamping handle 36 is pressed down, the upper top roller 17 is lifted, the gear clamping rod 19 is inserted, and then the upper top screw 30 is screwed down to fix the gear clamping rod 19.
Adjusting the relative position relation of the detection sensor 1 and the gear clamping rod 19 on the gear clamping device 8, after the gear clamping rod 19 is installed according to the steps, moving the Y axis to enable the detection sensor 1 to be in contact with the gear clamping rod 19, moving the X axis, observing the indication of the detection sensor 1, adjusting by using a fine adjustment device until the indication is not changed, and fixing after the adjustment is finished, wherein the method of the fine adjustment device is as follows: the adjusting screw 36 is loosened, the fine tuning micrometer 37 is adjusted to a proper position, the adjusting screw 36 is screwed down, the fine tuning micrometer 37 is fixed, and the fine tuning micrometer 37 is adjusted according to the indication of the detection sensor 1.
When detecting the gear, the detected gear 20 is installed on the gear clamping rod 19, the starting point is determined by moving the X axis and the Y axis, the detection can be started by inputting the theoretical parameters of the detected gear 19, the height of the Z axis is required to be readjusted each time when the detected gear is replaced, the height of the Z axis is realized by rotating the micrometer knob 13, the indication of the micrometer scale 12 is required to be paid attention to in the adjustment process, and the height is fixed by screwing the fixing knob 14 after the adjustment.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (5)
1. A wire gear machining precision detection platform which 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; 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 displacement 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 an X-axis, the servo motor converts rotation into linear motion through a screw nut, a uniform guide rail of an X-axis and a uniform guide rail of a Y-axis are crossed roller guide rails, the screw nut is positioned in the middle of the crossed roller guide rails, the X-axis or the Y-axis is driven to move through the screw nut respectively, the crossed roller guide rails can improve the guide rail motion precision, the X-axis displacement table (2) is provided with a first grating ruler (5) and a second grating ruler (10), and closed-loop control is formed between the first servo motor (3) and the second servo motor (9) respectively, so that accurate positioning is realized; 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 the adapter plate (11) through screws, a plurality of hole sites are formed in 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); 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 used for adjusting the height of the Z-axis moving table, and the fixed knob (14) is screwed for fixing 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 supporting 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 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 supporting seat (38); the jacking device (16), the clamping handle (26), the first roller (18), the second roller (21) and the adjusting knob (22) are arranged on the clamping support seat (38); the jacking device (16) comprises a jacking main body (31), a jacking screw (30), an adjusting screw (32) of a jacking roller (17) and an adjusting fixing screw (33); the upper top main body (31) is fixed on the clamping support seat (38) through a screw; the upper jacking device (16) is connected with the clamping handle (26), the adjusting knob (22) is positioned below the clamping handle (26), the upper jacking screw (30) is screwed to fix the clamping handle (26), the adjusting knob (22) is unscrewed to be used for adjusting the height of the clamping handle (26), the adjusting fixing screw (33) is rotated to be used for adjusting the opening amplitude of the clamping handle (26), and the upper jacking roller adjusting screw (32) is used for adjusting the tightness degree of the upper jacking roller (17); the gear (20) to be tested 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 top 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 positions of the bottom moving plate (23) can be adjusted in the X-axis direction by loosening the screws, and the supporting 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 coupler (28); axis servo motor (29) pass through screw and motor support (27) fixed connection, motor support (27) are fixed in on connecting backing plate (25), axis servo motor (29) pass through the fix with screw on motor support (27), axis servo motor (29) pass through shaft coupling (28) with moment of torsion transmission to second roller (21), first roller (18), second roller (21) and last top roller (17) clip gear clamping bar (19) jointly, the rotation error between the three roller can offset each other to a certain extent, improve the centre gripping precision, simultaneously can make things convenient for quick assembly disassembly gear clamping bar (19), second roller (21) rotate, drive first roller (18) through frictional force, go up top roller (17) and gear clamping bar (19) rotation, thereby drive the gear rotation that is surveyed.
2. The wire gear machining accuracy detecting table according to claim 1, wherein: the fine adjustment device comprises a fine adjustment micrometer (37), a micrometer fixed support (34), a movable guide rail (35) and an adjusting screw (36); the micro-adjustment micrometer (37) is fixedly connected with the micrometer fixing support (34) through a screw; the micrometer fixed support (34) is connected with the movable guide rail (35), and the micrometer fixed support (34) slides on the movable guide rail (35); and unscrewing the adjusting screw (36) to move the position of the fine tuning micrometer (37), and screwing the adjusting screw (36) to fix the position of the fine tuning micrometer (37).
3. The wire gear machining accuracy detecting table according to claim 1, wherein: the control system and the data acquisition system comprise a grating ruler, a servo driving 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 servo motor to move, 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.
4. The wire gear machining accuracy detecting table according to claim 1, wherein: the acquisition system comprises a sensor and a data acquisition card, wherein the sensor comprises a motor built-in 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 the control card, and the acquisition system is used for acquiring position information of an XY axis and recording data acquired by the detection sensor (1).
5. The wire gear machining accuracy detecting table according to claim 1, wherein: 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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| CN202011521868.8A CN112683209B (en) | 2020-12-21 | 2020-12-21 | Line gear machining precision detection table |
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| CN112683209B true CN112683209B (en) | 2024-03-22 |
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| CN114608409B (en) * | 2022-03-18 | 2024-06-04 | 山东东益机械制造有限公司 | Device and method for detecting common normal line of external teeth of coupling for track traffic |
| CN114770437B (en) * | 2022-05-05 | 2023-10-20 | 桂林航天工业学院 | Small-size high accuracy mobile platform |
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