CN218995471U - Test fixture of servo motor circuit - Google Patents
Test fixture of servo motor circuit Download PDFInfo
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- CN218995471U CN218995471U CN202320042206.5U CN202320042206U CN218995471U CN 218995471 U CN218995471 U CN 218995471U CN 202320042206 U CN202320042206 U CN 202320042206U CN 218995471 U CN218995471 U CN 218995471U
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Abstract
A test fixture for a servo motor circuit, comprising: slip table, hold-down mechanism and accredited testing organization, the slip table includes: the holding plate can move between a receiving position and a testing position, and the receiving position and the testing position of the holding plate are mutually separated along the horizontal direction, and the compressing mechanism comprises: the depression bar, the depression bar has the expansion end that can reciprocate, and testing arrangement includes: the test pins can move up and down, and when the bearing plate is positioned at the test position, the movable end of the compression bar and the test pins are positioned right above the bearing plate. The test fixture can fix the rear cover of the servo motor at the test position, and the electric connection between the rear cover and the electrode of the servo motor is realized through the downward movement of the test needle, so that the validity of the electric connection can be ensured, the accuracy of the test is ensured, and meanwhile, workers do not need to carry out wiring operation every time, and the test efficiency is improved.
Description
Technical Field
The utility model relates to a test fixture, in particular to a test fixture for a servo motor circuit.
Background
As shown in fig. 1, the circuit 200 of the servo motor is generally embedded in the rear cover 100 thereof, the circuit 200 has a plurality of electrodes 201 for electrical connection, the rear cover 100 has an opening 101, the plurality of electrodes 201 are all opposite to the opening 101, and when the servo motor is used, a controller of the apparatus is electrically connected with the motor 201 through wires, thereby controlling the operation of the servo motor. In addition, the rear cover 100 has a plurality of through holes 102 at the edge thereof, and a plurality of screws of the servo motor are engaged with a plurality of screw holes of the housing after passing through the through holes 102, thereby completing the installation between the housing of the servo motor and the rear cover 100.
Before the rear cover 100 is mounted to the housing, the circuit 200 of the servo motor needs to be tested, if the test passes, the rear cover 100 is mounted, and if the test fails, the circuit 200 needs to be repaired until the test passes, and then the rear cover 100 is mounted.
Currently, most manufacturers directly place the rear cover 100 on the testing device by using a manual placement manner, and then electrically connect the electrode 201 of the circuit 200 with the testing signal line of the testing device, so as to perform a testing operation. However, in the above test method, since the rear cover 100 is not fixed during the test, the electrical connection of the electrode 201 is easily unstable, resulting in a problem of inaccurate test. In addition, the above-described mode requires wiring by hand, resulting in a problem of too low test efficiency.
Disclosure of Invention
The technical scheme of the utility model is to solve the above problems by providing a test fixture for a servo motor circuit, the test fixture comprises: slip table, hold-down mechanism and accredited testing organization, the slip table includes: a carrier plate movable between a receiving position and a testing position, the receiving position and the testing position of the carrier plate being separated from each other in a horizontal direction, the hold-down mechanism comprising: the depression bar, the depression bar has the free end that can reciprocate, the testing mechanism includes: and the movable end of the compression bar and the plurality of test needles are positioned right above the bearing plate when the bearing plate is positioned at the test position.
Further, the slip table still includes: the positioning pins are protruded from the upper surface of the bearing plate and are distributed in a 360-degree circumferential array mode.
Further, the slip table still includes: and the piston rod of the conveying straight-line cylinder is horizontally arranged and fixed with the bearing plate.
Further, the slip table still includes: the cylinder body of the conveying straight-line cylinder and the guide rail are both positioned on the upper surface of the support plate.
Further, the hold-down mechanism further includes: the compression device comprises a support block and a compression linear cylinder, wherein the compression rod is further provided with a driving end, the upper end of the support block is in rotary connection with the compression rod, the connecting position of the support block is located between the driving end of the compression rod and the movable end of the compression rod, a piston rod of the compression linear cylinder is arranged in the vertical direction and in rotary connection with the driving end of the compression rod, and the lower end of the support block is fixed with a cylinder body of the compression linear cylinder.
Further, the hold-down mechanism further includes: the cylinder body of the compressing straight-line cylinder is located on the upper surface of the lifting block, and the lifting block is located on the upper surface of the supporting plate.
Further, the test mechanism includes: lifting block, test straight line cylinder and support, a plurality of test needle is protruding from the lower surface of lifting block, the piston rod of test straight line cylinder is arranged along vertical direction and forms fixedly with the lifting block, the cylinder body of test straight line cylinder forms fixedly with the support, the support is located the upper surface of backup pad.
Further, the testing mechanism further comprises: the guide rod is fixed with the lifting block and is parallel to the piston rod of the test linear cylinder, and the bracket is provided with a guide hole, and the guide rod passes through the guide hole and forms a tight fit.
After the technical scheme is adopted, the utility model has the beneficial effects that: the test fixture can fix the rear cover of the servo motor at the test position, and the electric connection between the rear cover and the electrode of the servo motor is realized through the downward movement of the test needle, so that the validity of the electric connection can be ensured, the accuracy of the test is ensured, and meanwhile, workers do not need to carry out wiring operation every time, and the test efficiency is improved.
Drawings
FIG. 1 is a schematic view of a rear cover of a servo motor;
FIG. 2 is a schematic diagram of a test fixture according to the present utility model in an empty state;
FIG. 3 is a schematic diagram of a test fixture according to the present utility model in a test state;
fig. 4 is a schematic view of a sliding table according to the present utility model;
FIG. 5 is a schematic view of a hold-down mechanism according to the present utility model;
fig. 6 is a schematic diagram of a testing mechanism according to the present utility model.
Detailed Description
The technical scheme of the utility model is further described by the following examples:
the utility model provides a test fixture for a servo motor circuit, which is shown in fig. 2-6, and comprises: slip table 1, hold-down mechanism 2 and accredited testing organization 3, slip table 1 includes: the loading plate 11 movable between a receiving position and a testing position, the receiving position and the testing position of the loading plate 11 being separated from each other in the horizontal direction, the hold-down mechanism 2 includes: the depression bar 21, depression bar 21 have the free end that can reciprocate, and test mechanism 3 includes: when the carrying plate 11 is positioned at the testing position, the movable end of the pressing rod 21 and the plurality of testing pins 31 are positioned right above the carrying plate 11.
Before the test fixture is used, the test fixture is placed in the test equipment, and a plurality of test signal wires of the test equipment are respectively connected to the upper ends of a plurality of test pins 31. In use, as shown in fig. 2, the carrying board 11 of the sliding table 1 is moved to the receiving position, the worker places the servo motor rear cover 100 with the circuit board 200 on the carrying board 11, the electrodes 201 of the circuit board 200 are arranged upwards as shown in fig. 3, then the carrying board 11 is moved to the testing position, a part of the compression rod 21 of the compression mechanism 2 is moved downwards to compress the rear cover 100, and finally the plurality of test needles 31 of the test mechanism 3 are moved downwards to form electrical connection with the plurality of electrodes 201 respectively to cooperate with the test equipment for testing. After the test is completed, a part of the pressing bar 21 and the plurality of test pins 31 are moved upward and the loading plate 11 is moved to the receiving position, so that the worker takes out the rear cover 100 to complete the whole test process.
Wherein, because above-mentioned test fixture can fix servo motor's back lid in test position to realize being connected with the electricity between servo motor's the electrode through the downwardly moving of test needle, consequently can ensure the validity of electric connection, guarantee the rate of accuracy of test, the workman need not all carry out wiring operation at every turn simultaneously, improves efficiency of software testing.
Specifically, please continue with reference to fig. 4, the sliding table 1 further includes: the positioning pins 12 are protruded from the upper surface of the bearing plate 11 and are arranged in a 360-degree circumferential array. After the rear cover 100 of the servo motor is placed on the bearing plate 11, the positioning pins 12 respectively pass through the through holes 102 of the rear cover 100, so that the rear cover 100 is pre-fixed.
More specifically, the slide table 1 further includes: the conveying straight cylinder 13, the piston rod of the conveying straight cylinder 13 is horizontally arranged and forms a fixation with the bearing plate 11. The movement of the loading plate 11 between the receiving position and the testing position can be controlled by the transfer linear cylinder 13.
More specifically, the slide table 1 further includes: the cylinder body of the conveying straight-line cylinder 13 and the guide rail 15 are both positioned on the upper surface of the support plate 16. By the cooperation of the slide block 14 and the guide rail 15, the movement of the bearing plate 11 can be guided, so that the movement is more stable.
More specifically, with continued reference to fig. 5, the hold-down mechanism 2 further includes: the compression rod 21 is further provided with a driving end, the upper end of the support block 22 is in rotary connection with the compression rod 21, the connecting position is located between the driving end and the movable end of the compression rod 21, a piston rod of the compression rod 23 is arranged in the vertical direction and in rotary connection with the driving end of the compression rod 21, and the lower end of the support block 22 is fixed with a cylinder body of the compression rod 23. The compression linear cylinder 23 can drive the compression rod 21 to rotate around the upper end of the support block 22, so that the movable end of the compression rod 21 moves up and down, and the compression and release functions of the rear cover 100 are realized.
More specifically, the pressing mechanism 2 further includes: the lifting block 24 compresses the cylinder body of the straight line cylinder 23 and is located the upper surface of lifting block 24, and the lifting block 24 is located the upper surface of backup pad 16. The lifting block 24 can be used for lifting the height of the compression rod 21 so as to make up for the lack of the height of the compression linear cylinder 23.
More specifically, the test mechanism 3 includes: the lifting block 32, the test straight line cylinder 33 and the support 34, a plurality of test needles 31 are protruding from the lower surface of the lifting block 32, the piston rod of the test straight line cylinder 33 is arranged along the vertical direction and is fixed with the lifting block 32, the cylinder body of the test straight line cylinder 33 is fixed with the support 34, and the support 34 is located on the upper surface of the supporting plate 16. The test linear cylinder 33 can control the plurality of test pins 31 to move up and down, so that the circuit 200 of the servo motor is tested.
More specifically, the test mechanism 3 further includes: the guide rod 35, the guide rod 35 is fixed with the lifting block 32 and parallel to the piston rod of the test linear cylinder 33, the bracket 34 has a guide hole 340, and the guide rod 35 passes through the guide hole 340 and forms a tight fit. The guide rod 35 and the guide hole 340 cooperate to guide the up-and-down movement of the test needle 31, so that the movement is more stable.
Claims (8)
1. A test fixture of servo motor circuit, its characterized in that: the test fixture includes: slip table, hold-down mechanism and accredited testing organization, the slip table includes: a carrier plate movable between a receiving position and a testing position, the receiving position and the testing position of the carrier plate being separated from each other in a horizontal direction, the hold-down mechanism comprising: the depression bar, the depression bar has the free end that can reciprocate, the testing mechanism includes: and the movable end of the compression bar and the plurality of test needles are positioned right above the bearing plate when the bearing plate is positioned at the test position.
2. The test fixture for servo motor circuits of claim 1, wherein: the slipway also includes: the positioning pins are protruded from the upper surface of the bearing plate and are distributed in a 360-degree circumferential array mode.
3. The test fixture for servo motor circuits of claim 2, wherein: the slipway also includes: and the piston rod of the conveying straight-line cylinder is horizontally arranged and fixed with the bearing plate.
4. The test fixture for servo motor circuits of claim 3, wherein: the slipway also includes: the cylinder body of the conveying straight-line cylinder and the guide rail are both positioned on the upper surface of the support plate.
5. The test fixture for servo motor circuits of claim 4, wherein: the hold-down mechanism further includes: the compression device comprises a support block and a compression linear cylinder, wherein the compression rod is further provided with a driving end, the upper end of the support block is in rotary connection with the compression rod, the connecting position of the support block is located between the driving end of the compression rod and the movable end of the compression rod, a piston rod of the compression linear cylinder is arranged in the vertical direction and in rotary connection with the driving end of the compression rod, and the lower end of the support block is fixed with a cylinder body of the compression linear cylinder.
6. The test fixture for servo motor circuits of claim 5, wherein: the hold-down mechanism further includes: the cylinder body of the compressing straight-line cylinder is located on the upper surface of the lifting block, and the lifting block is located on the upper surface of the supporting plate.
7. The test fixture for servo motor circuits of claim 4, wherein: the test mechanism comprises: lifting block, test straight line cylinder and support, a plurality of test needle is protruding from the lower surface of lifting block, the piston rod of test straight line cylinder is arranged along vertical direction and forms fixedly with the lifting block, the cylinder body of test straight line cylinder forms fixedly with the support, the support is located the upper surface of backup pad.
8. The test fixture for servo motor circuits of claim 7, wherein: the test mechanism further comprises: the guide rod is fixed with the lifting block and is parallel to the piston rod of the test linear cylinder, and the bracket is provided with a guide hole, and the guide rod passes through the guide hole and forms a tight fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042206.5U CN218995471U (en) | 2023-01-09 | 2023-01-09 | Test fixture of servo motor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042206.5U CN218995471U (en) | 2023-01-09 | 2023-01-09 | Test fixture of servo motor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995471U true CN218995471U (en) | 2023-05-09 |
Family
ID=86216202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320042206.5U Active CN218995471U (en) | 2023-01-09 | 2023-01-09 | Test fixture of servo motor circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218995471U (en) |
-
2023
- 2023-01-09 CN CN202320042206.5U patent/CN218995471U/en active Active
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