Device for measuring transmission efficiency of gear and screw rod composite module

Abstract

The invention discloses and provides a gear screw rod composite module transmission efficiency measuring device which is convenient to take and place a module to be measured, convenient to operate and capable of simultaneously testing the forward rotation transmission efficiency and the reverse rotation transmission efficiency of the module to be measured. The device comprises a fixed bottom plate, a fixed seat, a driving module, a pushing module, a clamping module, a connecting module and a measuring motor module, the gear and screw rod composite module is a module to be measured, the fixed seat and the measuring motor module are fixedly matched on the fixed bottom plate, and the driving module, the pushing module and the clamping module are fixedly matched on the fixed seat. The connecting module is in limiting fit with the measuring motor module, the tested module is in limiting fit with the clamping module, the pushing module pushes the working end of the driving module to be in running fit with the input end of the tested module, and the measuring motor module drives the connecting module to be in running fit with the output end of the tested module. The device is applied to the field of product transmission efficiency measurement.

Description

Technical Field

[0001] The present invention is applied to the field of product transmission efficiency measurement, and particularly relates to a gear-screw composite module transmission efficiency measurement device. Background Art

[0002] In the production process of vibration motors for electronic products, ensuring the efficiency of the motor transmission module is of utmost importance. The efficiency of the motor transmission module directly affects the output power of the motor, thereby affecting the temperature of the electronic equipment during use, and ultimately becomes a key factor affecting the user experience and sales of electronic products.

[0003] Currently, we need to test the efficiency of the gear and screw transmission module of a motor after clamping it. Currently, the transmission efficiency of the gear module and the screw module are tested on one of the modules separately, and the transmission efficiency of the composite module is measured by calculation. This method has measurement deviations.

[0004] The existing technology generally tests the transmission efficiency of the gear module and the screw module separately, and measures the transmission efficiency of the composite module by calculation, but this method has measurement deviations; currently most equipment installations are relatively complicated, and the testing process takes a long time, which is not suitable for large-scale full inspection production.

[0005] Therefore, based on the above problems, if a gear-screw composite module transmission efficiency measuring device can be designed, which is not only convenient for taking and placing the module to be tested and easy to operate, but can also test the forward and reverse transmission efficiency of the module to be tested at the same time, and can also perform large-scale measurement of the transmission efficiency of motor gears and screw composite modules, then the above problems can be solved well. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and design a gear-screw composite module transmission efficiency measuring device, which is not only convenient for taking and placing the module to be tested and easy to operate, but can also test the forward and reverse transmission efficiency of the module to be tested at the same time, and can also be a transmission efficiency measuring device for motor gears and screw composite modules for large-scale measurement.

[0007] The technical solution adopted by the present invention is: the present invention includes a fixed base plate, a fixed seat, a driving module, a pushing module, a clamping module, a connecting module and a measuring motor module, the gear-screw composite module is the measured module, the fixed seat and the measuring motor module are fixedly matched on the fixed base plate, the driving module, the pushing module and the clamping module are fixedly matched on the fixed seat, the connecting module is limitedly matched on the measuring motor module, the measured module is limitedly matched on the clamping module, the pushing module drives the working end of the driving module to rotate and match with the input end of the measured module, and the measuring motor module drives the connecting module to rotate and match with the output end of the measured module. It can be seen that the fixed base plate supports and fixes the fixed seat and the measuring motor module, the measuring motor module measures the output power of the measured module and pushes the connecting module to connect with the clamping module, the fixed seat supports and fixes the driving module, the pushing module and the clamping module, the pushing module pushes the driving module to connect and disconnect with the clamping module, the driving module provides a power source for the measured module, and the clamping module limits the measured module.

[0008] Furthermore, a plurality of first slide rails are provided on the fixing seat, and the first slide rails are slidably matched with the driving module.

[0009] Furthermore, the clamping module includes a clamping body, a shaft cylinder, a clamping cover plate, a quick-change platform, and a first displacement platform. The first displacement platform is fixedly fitted on the fixed seat, the quick-change platform is fixedly fitted on the top of the first displacement platform, the clamping body is limitedly fitted on the quick-change platform, the clamping cover plate is rotatably fitted with one side of the clamping body, the shaft cylinder and the module to be measured are both limitedly fitted in the clamping body, and the two ends of the shaft cylinder are rotatably fitted with the input end of the module to be measured and the output end of the driving module respectively.

[0010] Furthermore, the connecting module includes a second displacement platform, a connecting head assembly and an automatic pressing assembly. The second displacement platform is limitedly engaged on the measuring motor module. The working end of the automatic pressing assembly is connected and engaged with the connecting head assembly. The automatic pressing assembly pushes the connecting head assembly to slide downward and rotate to engage with the input end of the measured module.

[0011] Furthermore, the measuring motor module includes a motor mounting seat, a voice coil motor, a sensor mounting plate, a pressure sensor, a slider, a plurality of second slide rails and a motor protection cover. The motor mounting seat and the motor protection cover are fixedly fitted on the fixed base plate, the voice coil motor and the plurality of second slide rails are fixedly fitted on the motor mounting seat, the slider is slidably fitted with the second slide rails, the slider is connected and fitted with the output end of the voice coil motor, the sensor mounting plate is fixedly fitted on the slider, the pressure sensor is fixedly fitted on the sensor mounting plate, and the pressure sensor is jointly fitted with the connection module.

[0012] Furthermore, the driving module includes a sliding plate, a first coupling, a torque sensor, a second coupling and a stepper motor, the torque sensor and the stepper motor are fixedly fitted on the sliding plate, the sliding plate is slidably fitted with the first slide rail, the two ends of the first coupling are respectively connected and fitted with the clamping module and the left end of the torque sensor, and the two ends of the second coupling are respectively connected and fitted with the right end of the torque sensor and the working end of the stepper motor.

[0013] Furthermore, a plurality of magnets and a plurality of positioning pins are provided on the top of the quick-change platform, and the quick-change platform is limitedly matched with the clamping body through the plurality of magnets and the plurality of positioning pins.

[0014] Furthermore, a grating ruler is arranged on the sliding block, and a first photoelectric sensor is arranged on the fixing seat, and the first photoelectric sensor cooperates with the grating ruler.

[0015] Furthermore, the pushing module includes a motor screw assembly, the motor screw assembly is fixedly matched on a fixing seat, the output end of the motor screw assembly is fixedly matched with the bottom surface of the sliding plate, and the motor screw assembly pushes the sliding plate to slide back and forth.

[0016] Furthermore, a stopper is provided on the sliding plate, a second photoelectric sensor is provided on the fixing seat, and the stopper cooperates with the second photoelectric sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural view of the present invention; Figure 2 is an exploded structural view of the present invention; Figure 3 is a structural view of the fixed base plate, the fixed seat and the pushing module; Figure 4 is a structural view of the drive module; Figure 5 is an exploded structural view of the clamping module; Figure 6is an exploded structural view of the connection module; Figure 7 This is an exploded structural view of the measuring motor module. DETAILED DESCRIPTION

[0018] like Figure 1 to Figure 2 As shown, in this embodiment, the present invention includes a fixed base plate 1, a fixed seat 2, a driving module 3, a pushing module 4, a clamping module 5, a connecting module 6 and a measuring motor module 7, the gear-screw composite module is a measured module, the fixed seat 2 and the measuring motor module 7 are fixedly matched on the fixed base plate 1, the driving module 3, the pushing module 4 and the clamping module 5 are fixedly matched on the fixed seat 2, the connecting module 6 is limitedly matched on the measuring motor module 7, the measured module is limitedly matched on the clamping module 5, the pushing module 4 pushes the working end of the driving module 3 to rotate with the input end of the measured module, and the measuring motor module 7 drives the connecting module 6 to rotate with the output end of the measured module. It can be seen that the fixed base plate 1 supports and fixes the fixed seat 2 and the measuring motor module 7, the measuring motor module 7 measures the output power of the measured module and pushes the connecting module 6 to connect and cooperate with the clamping module 5, the fixed seat 2 supports and fixes the driving module 3, the pushing module 4 and the clamping module 5, the pushing module 4 pushes the driving module 3 to connect and disconnect with the clamping module 5, the driving module 3 provides a power source for the measured module, and the clamping module 5 limits the measured module.

[0019] like Figure 3 As shown, in this embodiment, a plurality of first slide rails 20 are arranged on the fixing seat 2, and the first slide rails 20 are slidably matched with the driving module 3. It can be seen that the fixing seat 2 supports and fixes the plurality of first slide rails 20, and the first slide rails 20 provide an environment for the driving module 3 to slide forward and backward, and guide the driving module 3 to slide forward and backward.

[0020] like Figure 5As shown, in this embodiment, the clamping module 5 includes a clamping body 50, a shaft cylinder 51, a clamping cover plate 52, a quick-change platform 53, and a first displacement platform 54. The first displacement platform 54 is fixedly fitted on the fixed seat 2, and the quick-change platform 53 is fixedly fitted on the top of the first displacement platform 54. The clamping body 50 is limitedly fitted on the quick-change platform 53, and the clamping cover plate 52 is rotationally fitted with one side of the clamping body 50. The shaft cylinder 51 and the module to be measured are both limitedly fitted in the clamping body 50, and the two ends of the shaft cylinder 51 are rotationally fitted with the input end of the module to be measured and the output end of the driving module 3 respectively. It can be seen that the fixed seat 2 supports and fixes the first displacement platform 54, and the first displacement platform 54 supports and fixes the quick-change platform 53. At the same time, the first displacement platform 54 also adjusts the position of the X-axis and Z-axis of the clamping module 5, so that the shaft cylinder 51 is more accurately connected and matched with the first coupling 31 on the driving module 3, thereby reducing vibration and energy loss. The quick-change platform 53 supports and limits the clamping body 50, and the clamping body 50 precisely positions the module to be measured, so that the positioning deviation is less than 0.1mm. The quick-change platform 53 supports and limits the clamping cover plate 52, the shaft cylinder 51 and the module to be measured. The clamping cover plate 52 limits the Z-axis freedom of the module to be measured, and the shaft cylinder 51 transmits the movement of the driving module 3 to the module to be measured.

[0021] like Figure 6 As shown, in this embodiment, the connection module 6 includes a second displacement platform 60, a connector assembly 61 and an automatic pressing assembly 62. The second displacement platform 60 is limitedly matched on the measuring motor module 7. The working end of the automatic pressing assembly 62 is connected and matched with the connector assembly 61. The automatic pressing assembly 62 pushes the connector assembly 61 to slide downward and rotate with the input end of the measured module. It can be seen that the measuring motor module 7 supports and fixes the second displacement platform 60, and the second displacement platform 60 supports and fixes the connector assembly 61 and the automatic pressing assembly 62. At the same time, the second displacement platform 60 also adjusts the position of the Z-axis and X-axis of the connector assembly 61, and the automatic pressing assembly 62 presses down the connector assembly 61, thereby controlling the connector assembly 61 to press down and connect with the output end of the measured module.

[0022] like Figure 7As shown, in the present embodiment, the measuring motor module 7 comprises a motor mounting seat 70, a voice coil motor 71, a sensor mounting plate 72, a pressure sensor 73, a slider 74, a plurality of second slide rails 75 and a motor protection cover 76, the motor mounting seat 70 and the motor protection cover 76 are fixedly fitted on the fixed base plate 1, the voice coil motor 71 and the plurality of second slide rails 75 are fixedly fitted on the motor mounting seat 70, the slider 74 is slidably fitted with the second slide rail 75, the slider 74 is connected and fitted with the output end of the voice coil motor 71, the sensor mounting plate 72 is fixedly fitted on the slider 74, the pressure sensor 73 is fixedly fitted on the sensor mounting plate 72, and the pressure sensor 73 is jointly fitted with the connecting module 6. It can be seen that the fixed base plate 1 supports and fixes the motor mounting seat 70 and the motor protection cover 76, the motor mounting seat 70 supports and limits the voice coil motor 71 and the second slide rail 75, the second slide rail 75 provides sliding and guiding for the slider 74, the motor protection cover 76 protects the voice coil motor 71, the voice coil motor 71 provides the horizontal load of the Y axis to the output end of the module under test and tests the output end of the module under test to increase the speed, the slider 74 supports and fixes the sensor mounting plate 72, the sensor mounting plate 72 supports and fixes the pressure sensor 73, the pressure sensor 73 detects the pressure at the output end of the module under test, the voice coil motor 71 is connected and matched with the slider 74, and pushes the slider 74, driving the pressure sensor 73 and the connecting module 6 to slide back and forth and connect with the clamping module 5, thereby testing the module under test.

[0023] like Figure 4As shown, in this embodiment, the driving module 3 includes a sliding plate 30, a first coupling 31, a torque sensor 32, a second coupling 33 and a stepper motor 34, the torque sensor 32 and the stepper motor 34 are fixedly fitted on the sliding plate 30, the sliding plate 30 is slidably fitted with the first slide rail 20, the two ends of the first coupling 31 are respectively connected and fitted with the clamping module 5 and the left end of the torque sensor 32, and the two ends of the second coupling 33 are respectively connected and fitted with the right end of the torque sensor 32 and the working end of the stepper motor 34. It can be seen that the sliding plate 30 supports and fixes the torque sensor 32 and the stepper motor 34. At the same time, the sliding plate 30 slides on the first slide rail 20 to drive the drive module 3 and the clamping module 5 to be connected in and out. The first coupling 31 connects the shaft cylinder 51 on the clamping module 5 and the torque sensor 32. The second coupling 331 connects the torque sensor 32 and the stepper motor 34. The torque sensor 32 detects the torque transmitted to the module under test, and the stepper motor 34 provides a power source for the module under test.

[0024] like Figure 5 As shown, in this embodiment, a plurality of magnets 55 and a plurality of positioning pins 56 are arranged on the top of the quick-change platform 53, and the quick-change platform 53 cooperates with the clamping body 50 through the plurality of magnets 55 and the plurality of positioning pins 56. It can be seen that the quick-change platform 53 supports and fixes the plurality of magnets 55 and the plurality of positioning pins 56, and the magnets 55 and the positioning pins 56 respectively limit the clamping body 50. The clamping body 50 can be quickly replaced by using the plurality of magnets 55 and the plurality of positioning pins 56, thereby achieving compatibility with multiple models and multiple components to be tested.

[0025] like Figure 3 and Figure 7 As shown, in this embodiment, a grating ruler 77 is provided on the slider 74, and a first photoelectric sensor 21 is provided on the fixed seat 2, and the first photoelectric sensor 21 cooperates with the grating ruler 77. It can be seen that the slider 74 supports and fixes the grating ruler 77, and the fixed seat 2 supports and fixes the first photoelectric sensor 21. The grating ruler 77 and the first photoelectric sensor 21 cooperate with each other to play the role of timing and measuring the speed at which the slider 74 is pushed.

[0026] like Figure 2 and Figure 3As shown, in this embodiment, the pushing module 4 includes a motor screw assembly, the motor screw assembly is fixedly matched on the fixing seat 2, the output end of the motor screw assembly is fixedly matched with the bottom surface of the sliding plate 30, and the motor screw assembly pushes the sliding plate 30 to slide forward and backward. It can be seen that the fixing seat 2 supports and fixes the motor screw assembly, and the motor screw assembly pushes the sliding plate 30, so that the driving module 3 slides forward and backward, thereby connecting and disconnecting with the clamping module 5.

[0027] like Figure 3 and Figure 4 As shown, in this embodiment, a stopper 35 is provided on the sliding plate 30, and a second photoelectric sensor 22 is provided on the fixing seat 2, and the stopper 35 cooperates with the second photoelectric sensor 22. It can be seen that the sliding plate 30 supports and fixes the stopper 35, and the fixing seat 2 supports and fixes the second photoelectric sensor 22, and the stopper 35 cooperates with the second photoelectric sensor 22 to monitor whether the position of the driving module 3 is in place.

[0028] In this embodiment, the working principle of the present invention is as follows: like Figures 1 to 7 As shown, the module under test is a composite module of gear screw Step 1: The clamping module 5 fixes the module to be tested, and then the clamping cover plate 52 is buckled to quickly position the module to be tested; after positioning, the quick-change platform 53 is placed, and the first displacement platform 54 is adjusted to ensure that the first coupling 31 and the shaft cylinder 51 and the connection between the connector module 61 and the clamping module 5 are aligned, so as to avoid misalignment during transmission, resulting in torque loss and unsmooth rotation; Step 2: After the module under test is placed, the test is started, the motor screw module controls the drive module 3 to connect with the clamping module 5, the voice coil motor 71 moves rightward along the Y axis to the position, and the automatic pressing component 62 controls the connector component 61 to connect with the output end of the module under test; Step 3: After the connection is completed, the stepper motor 34 starts to provide a power source, the stepper motor 34 drives the module under test to move, the torque sensor 32 measures the input torque T and torque n of the module under test, the pressure sensor 73 measures the load F at the input end of the module under test, and the voice coil motor 71 measures the movement speed V at the input end of the module under test. The transmission efficiency measurement device has a timing system to record the time t. The formula:

[0029] The transmission efficiency of the module under test can be measured. Repeat this process in turn.

[0030] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A gear screw composite module transmission efficiency measurement device, characterized in that: It comprises a fixed base plate (1), a fixed seat (2), a driving module (3), a pushing module (4), a clamping module (5), a connecting module (6) and a measuring motor module (7); the gear screw composite module is a measured module; the fixed seat (2) and the measuring motor module (7) are both fixedly matched on the fixed base plate (1); the driving module (3), the pushing module (4) and the clamping module (5) are both fixedly matched on the fixed seat (2); the connecting module (6) is limitedly matched on the measuring motor module (7); the measured module is limitedly matched on the clamping module (5); the pushing module (4) pushes the working end of the driving module (3) to rotate and match with the input end of the measured module; and the measuring motor module (7) drives the connecting module (6) to rotate and match with the output end of the measured module.

2. The gear-screw composite module transmission efficiency measuring device according to claim 1, characterized in that: A plurality of first slide rails (20) are provided on the fixing seat (2), and the first slide rails (20) are slidably matched with the driving module (3).

3. The gear-screw composite module transmission efficiency measuring device according to claim 1, characterized in that: The clamping module (5) comprises a clamping body (50), a shaft cylinder (51), a clamping cover plate (52), a quick-change platform (53), and a first displacement platform (54); the first displacement platform (54) is fixedly engaged on the fixing seat (2); the quick-change platform (53) is fixedly engaged on the top of the first displacement platform (54); the clamping body (50) is limitedly engaged on the quick-change platform (53); the clamping cover plate (52) is rotationally engaged with one side of the clamping body (50); the shaft cylinder (51) and the module to be measured are both limitedly engaged in the clamping body (50); and the two ends of the shaft cylinder (51) are rotationally engaged with the input end of the module to be measured and the output end of the driving module (3) respectively.

4. The gear-screw composite module transmission efficiency measuring device according to claim 1, characterized in that: The connecting module (6) comprises a second displacement platform (60), a connecting head assembly (61) and an automatic pressing assembly (62); the second displacement platform (60) is limitedly engaged with the measuring motor module (7); a working end of the automatic pressing assembly (62) is connected and engaged with the connecting head assembly (61); the automatic pressing assembly (62) pushes the connecting head assembly (61) to slide downwards and to rotate and engage with the input end of the measured module.

5. The gear-screw composite module transmission efficiency measuring device according to claim 1, characterized in that: The measuring motor module (7) comprises a motor mounting seat (70), a voice coil motor (71), a sensor mounting plate (72), a pressure sensor (73), a slider (74), a plurality of second slide rails (75) and a motor protection cover (76); the motor mounting seat (70) and the motor protection cover (76) are fixedly matched on the fixed base plate (1); the voice coil motor (71) and the plurality of second slide rails (75) are fixedly matched on the motor mounting seat (70); the slider (74) is slidably matched with the second slide rail (75); the slider (74) is connected and matched with the output end of the voice coil motor (71); the sensor mounting plate (72) is fixedly matched on the slider (74); the pressure sensor (73) is fixedly matched on the sensor mounting plate (72); and the pressure sensor (73) is jointly matched with the connecting module (6).

6. The gear-screw composite module transmission efficiency measuring device according to claim 2, characterized in that: The driving module (3) comprises a sliding plate (30), a first coupling (31), a torque sensor (32), a second coupling (33) and a stepping motor (34); the torque sensor (32) and the stepping motor (34) are both fixedly fitted on the sliding plate (30); the sliding plate (30) is slidably fitted with the first slide rail (20); the two ends of the first coupling (31) are respectively connected to the clamping module (5) and the left end of the torque sensor (32); and the two ends of the second coupling (33) are respectively connected to the right end of the torque sensor (32) and the working end of the stepping motor (34).

7. The gear-screw composite module transmission efficiency measuring device according to claim 3, characterized in that: A plurality of magnets (55) and a plurality of positioning pins (56) are provided on the top of the quick-change platform (53), and the quick-change platform (53) is limitedly matched with the clamping body (50) through the plurality of magnets (55) and the plurality of positioning pins (56).

8. The gear-screw composite module transmission efficiency measuring device according to claim 5, characterized in that: The slider (74) is provided with a grating ruler (77), the fixing seat (2) is provided with a first photoelectric sensor (21), and the first photoelectric sensor (21) cooperates with the grating ruler (77).

9. The gear-screw composite module transmission efficiency measuring device according to claim 6, characterized in that: The pushing module (4) comprises a motor screw assembly, the motor screw assembly is fixedly fitted on the fixing seat (2), the output end of the motor screw assembly is fixedly fitted with the bottom surface of the sliding plate (30), and the motor screw assembly pushes the sliding plate (30) to slide forward and backward.

10. The gear-screw composite module transmission efficiency measuring device according to claim 6, characterized in that: A stopper (35) is provided on the sliding plate (30), a second photoelectric sensor (22) is provided on the fixing seat (2), and the stopper (35) cooperates with the second photoelectric sensor (22).

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