Potentiometer Rotation Life Tester

Abstract

The utility model discloses a potentiometer rotation life tester, comprising a machine body, wherein the top and bottom of the front end of the machine body are respectively fixed with mounting plates. The potentiometer rotation life tester can simultaneously install three groups of potentiometer workpieces for testing. After the potentiometer workpieces are fixed, during the test, by controlling the driving motor to start the sixth toothed belt wheel, the third toothed belt body, the second toothed disc belt wheel, the first rotating shaft, the first toothed belt wheel, the second toothed belt body, the fourth toothed belt wheel, and the second rotating shaft to rotate, the second rotating shaft, the third toothed belt wheel, the fifth toothed belt wheel, the first toothed belt body, and the third rotating shaft to rotate, and the first rotating shaft, the second rotating shaft and the third rotating shaft can simultaneously drive three groups of three grippers to rotate to test the rotation life of the potentiometer, thereby solving the problem that it is inconvenient to test multiple groups of potentiometer workpieces at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of potentiometer testing, in particular to a potentiometer rotation life testing machine. Background Art

[0002] Potentiometer is an adjustable electronic component, mainly composed of a resistor and a rotating or sliding system. It is widely used. During production testing of potentiometers, a potentiometer rotation life tester is required to test the rotation life of the produced potentiometer workpiece.

[0003] However, in actual use, when the potentiometer rotation life tester is used to test the rotation life of the potentiometer workpiece, generally only a small group of potentiometer workpieces can be tested for rotation life at the same time. The test efficiency is low and there are deficiencies. It is not convenient to test multiple groups of potentiometer workpieces at the same time.

[0004] Now, a new type of potentiometer rotation life testing machine is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a potentiometer rotation life tester to solve the problem inconvenient to test multiple groups of potentiometer workpieces simultaneously as mentioned in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a potentiometer rotation life tester, comprising a machine body, the top and bottom of the front end of the machine body are respectively fixed with mounting plates, a mounting platform is arranged between the mounting plates, and a third support plate is fixed to the top of the front end of the mounting platform, a second support plate is fixed at the middle position of the front end of the mounting platform, a first support plate is fixed to the bottom of the front end of the mounting platform, a display screen is fixed to the left side of the front end of the bottom of the machine body, a switch assembly is arranged on the right side of the front end of the bottom of the machine body, a first rotating shaft is movably connected to the left side of the bottom end of the third support plate, a second rotating shaft is movably connected to the middle position of the bottom end of the third support plate, a third rotating shaft is movably connected to the right side of the bottom end of the third support plate, and three gripping clamps are respectively arranged at both sides and the middle position of the bottom end of the second support plate;

[0007] A second toothed disk pulley is fixed to the top end of the first rotating shaft, a first toothed belt pulley is fixed to the bottom end of the first rotating shaft, a third toothed belt pulley is fixed to the top end of the second rotating shaft, a fourth toothed belt pulley is fixed to the bottom end of the second rotating shaft, a fifth toothed belt pulley is fixed to the top end of the third rotating shaft, a second toothed belt body is installed between the first toothed belt pulley and the fourth toothed belt pulley, a first toothed belt body is installed between the third toothed belt pulley and the fifth toothed belt pulley, a driving motor is fixed to the left side of the mounting plate, and a sixth toothed belt pulley is fixed to the output shaft of the driving motor, and a third toothed belt body is installed between the second toothed disk pulley and the sixth toothed belt pulley.

[0008] Preferably, the bottom ends of the first rotating shaft, the second rotating shaft and the third rotating shaft respectively penetrate the bottom end of the second supporting plate and are fixedly connected to the top end of the three-claw clamp.

[0009] Preferably, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged at equal intervals at the bottom end of the third supporting plate.

[0010] Preferably, acrylic covers are respectively provided on both sides and the middle position of the bottom end of the first support plate, and hexagonal screws are respectively provided on both sides of the bottom end of the acrylic cover, through holes are respectively provided on both sides and the middle position of the inside of the first support plate, and threaded sleeves are respectively provided on both sides and the middle position of the bottom end of the first support plate.

[0011] Preferably, the top end of the hexagonal screw passes through the interior of the acrylic cover.

[0012] Preferably, the outer portion of the hexagonal screw is provided with an external thread, and the inner portion of the threaded sleeve is provided with an internal thread matching the external thread.

[0013] Preferably, hexagon socket bolts are respectively provided on both sides of the top end of the mounting plate, and threaded holes are respectively provided on both sides of the top end and the bottom end of the mounting platform.

[0014] Preferably, the mounting plates are symmetrically arranged about a horizontal center line of the mounting platform.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the potentiometer rotation life tester not only facilitates simultaneous testing of multiple groups of potentiometer workpieces, facilitates clamping of potentiometer workpieces, but also facilitates disassembly and assembly of the tester components;

[0016] (1) By providing a machine body, a mounting plate, a mounting table, a first support plate, a second support plate, a first toothed belt pulley, a first rotating shaft, a second toothed disc belt pulley, a third support plate, a hexagon socket bolt, a third toothed belt pulley, a second rotating shaft, a fourth toothed belt pulley, a fifth toothed belt pulley, a first toothed belt body, a third rotating shaft, a threaded hole, a three-claw clamp, a second toothed belt body, a driving motor, a sixth toothed belt pulley and a third toothed belt body, when using a testing machine to test the rotation life of a potentiometer workpiece, three claw clamps are respectively provided at both sides and a middle position of the bottom end of the second support plate, so that three groups of potentiometer workpieces can be installed at the same time for testing, and the potentiometer workpiece is fixed at the bottom end of the first support plate and the rotating shaft of the potentiometer is fixed. After the clamp is fixed inside the bottom end of the three-claw clamp, during the test, the output shaft is started by controlling the driving motor to drive the first rotating shaft to rotate by using the sixth toothed belt pulley, the third toothed belt body and the second toothed disc pulley. While the first rotating shaft rotates, the first toothed belt pulley, the second toothed belt body and the fourth toothed belt pulley can be used to drive the second rotating shaft to rotate. While the second rotating shaft rotates, the third toothed belt pulley, the fifth toothed belt pulley and the first toothed belt body can be used to drive the third rotating shaft to rotate. The simultaneous rotation of the first rotating shaft, the second rotating shaft and the third rotating shaft can simultaneously drive the three groups of three-claw clamps to rotate to test the rotation life of the potentiometer. When the test machine is in use, multiple groups of potentiometer workpieces can be tested at the same time, thereby improving the use efficiency of the test machine.

[0017] (2) By providing the first support plate, the threaded sleeve, the through hole, the hexagon socket screw and the acrylic cover, when fixing the potentiometer workpiece during the test, the rotating shaft of the potentiometer can be passed through the interior of the through hole, and the top end of the rotating shaft can be inserted into the interior of the three-claw clamp, and then the acrylic cover can be pressed against the bottom end of the potentiometer, and the hexagon socket screws on both sides of the bottom end of the acrylic cover are respectively passed through the interior of the acrylic cover and screwed into the interior of the threaded sleeve, so that the potentiometer can be auxiliary pressed against the bottom end of the first support plate, and then the rotating shaft of the potentiometer can be fixed by using the three-claw clamp to complete the fixation before the test, which is convenient for clamping the potentiometer workpiece;

[0018] (3) By providing a machine body, a mounting plate, a mounting platform, hexagon socket bolts and threaded holes, when the test machine is used, the hexagon socket bolts provided on both sides of the top and bottom of the mounting plate can be respectively screwed outward from the threaded holes provided inside the top and bottom of the mounting platform, and then the mounting platform can be disassembled from the top of the machine body, so as to facilitate the disassembly, assembly, maintenance and repair of the test components of the test machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2It is a schematic diagram of a partial section enlarged structure of the machine body of the utility model in a side view;

[0021] Figure 3 For this utility model Figure 1 A is an enlarged structural diagram;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the machine main body of the utility model.

[0023] In the figure: 1. machine body; 2. mounting plate; 3. mounting table; 4. first support plate; 5. second support plate; 6. first toothed pulley; 7. first rotating shaft; 8. second toothed disc pulley; 9. third support plate; 10. hexagon socket bolt; 11. third toothed pulley; 12. second rotating shaft; 13. fourth toothed pulley; 14. fifth toothed pulley; 15. first toothed belt body; 16. third rotating shaft; 17. threaded hole; 18. three-claw clamp; 19. second toothed belt body; 20. driving motor; 21. sixth toothed pulley; 22. third toothed belt body; 23. threaded sleeve; 24. through hole; 25. hexagon socket screw; 26. acrylic cover; 27. switch assembly; 28. display screen. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 , a potentiometer rotation life tester, comprising a machine body 1, a mounting plate 2 is fixed to the top and bottom of the front end of the machine body 1, a mounting platform 3 is arranged between the mounting plates 2, a third support plate 9 is fixed to the top of the front end of the mounting platform 3, a second support plate 5 is fixed to the middle position of the front end of the mounting platform 3, a first support plate 4 is fixed to the bottom of the front end of the mounting platform 3, a display screen 28 is fixed to the left side of the front end of the bottom of the machine body 1, a switch assembly 27 is arranged to the right side of the front end of the bottom of the machine body 1, a first rotating shaft 7 is movably connected to the left side of the bottom end of the third support plate 9, a second rotating shaft 12 is movably connected to the middle position of the bottom end of the third support plate 9, a third rotating shaft 16 is movably connected to the right side of the bottom end of the third support plate 9, and three gripping clamps 18 are arranged at both sides and the middle position of the bottom end of the second support plate 5;

[0026] A second toothed disc pulley 8 is fixed to the top of the first rotating shaft 7, a first toothed belt pulley 6 is fixed to the bottom of the first rotating shaft 7, a third toothed belt pulley 11 is fixed to the top of the second rotating shaft 12, a fourth toothed belt pulley 13 is fixed to the bottom of the second rotating shaft 12, a fifth toothed belt pulley 14 is fixed to the top of the third rotating shaft 16, a second toothed belt body 19 is installed between the first toothed belt pulley 6 and the fourth toothed belt pulley 13, and a fifth toothed belt pulley 14 is installed between the third toothed belt pulley 11 and the fifth toothed belt pulley 14. There is a first toothed belt body 15, a driving motor 20 is fixed on the left side inside the mounting plate 2, and a sixth toothed belt pulley 21 is fixed to the output shaft of the driving motor 20, a third toothed belt body 22 is installed between the second toothed disc pulley 8 and the sixth toothed belt pulley 21, the bottom ends of the first rotating shaft 7, the second rotating shaft 12 and the third rotating shaft 16 respectively penetrate the bottom end of the second support plate 5 and are fixedly connected to the top end of the three-catch clamp 18, and the first rotating shaft 7, the second rotating shaft 12 and the third rotating shaft 16 are arranged at equal intervals at the bottom end of the third support plate 9;

[0027] Specifically, Figure 1 and Figure 2 As shown, three grippers 18 are respectively provided at both sides and the middle position of the bottom end of the second support plate 5, so that three groups of potentiometer workpieces can be installed at the same time for testing. After the potentiometer workpiece is fixed at the bottom end of the first support plate 4 and the rotating shaft clamp of the potentiometer is fixed inside the bottom end of the three grippers 18, during the test, the output shaft is started by controlling the drive motor 20 to drive the first rotating shaft 7 to rotate by using the sixth toothed belt pulley 21, the third toothed belt body 22 and the second toothed disc belt pulley 8. While the first rotating shaft 7 rotates, the first toothed belt pulley 6, the second toothed belt body 19 and the fourth toothed belt pulley 13 can be used to drive the second rotating shaft 12 to rotate. While the second rotating shaft 12 rotates, the third toothed belt pulley 11, the fifth toothed belt pulley 14 and the first toothed belt body 15 can be used to drive the third rotating shaft 16 to rotate. The simultaneous rotation of the first rotating shaft 7, the second rotating shaft 12 and the third rotating shaft 16 can simultaneously drive the three groups of three grippers 18 to rotate to test the rotation life of the potentiometer. When the testing machine is used, multiple groups of potentiometer workpieces can be tested at the same time.

[0028] Embodiment 2: Acrylic covers 26 are respectively provided on both sides and the middle of the bottom end of the first support plate 4, and hexagon socket screws 25 are respectively provided on both sides of the bottom end of the acrylic cover 26, through holes 24 are respectively provided on both sides and the middle of the inside of the first support plate 4, threaded sleeves 23 are respectively provided on both sides and the middle of the bottom end of the first support plate 4, the top end of the hexagon socket screw 25 passes through the inside of the acrylic cover 26, the outside of the hexagon socket screw 25 is provided with an external thread, and the inside of the threaded sleeve 23 is provided with an internal thread matching the external thread;

[0029] Specifically, Figure 1 and Figure 3 As shown, the rotating shaft of the potentiometer can be passed through the interior of the through hole 24, and the top end of the rotating shaft can be inserted into the interior of the three-claw clamp 18. Then, the acrylic cover 26 can be pressed against the bottom end of the potentiometer, and the hexagonal screws 25 can be used on both sides of the bottom end of the acrylic cover 26 to pass through the interior of the acrylic cover 26 and correspondingly screwed into the interior of the threaded sleeve 23. Then, the potentiometer can be auxiliary pressed and fixed to the bottom end of the first support plate 4, and then the rotating shaft of the potentiometer can be fixed by using the three-claw clamp 18 to complete the fixation before testing.

[0030] Embodiment 3: Hexagon socket bolts 10 are respectively provided on both sides of the top of the mounting plate 2, threaded holes 17 are respectively provided on both sides of the top and bottom of the mounting platform 3, and the mounting plate 2 is symmetrically arranged about the horizontal center line of the mounting platform 3;

[0031] Specifically, Figure 1 As shown, the hexagon socket bolts 10 provided on both sides of the top and bottom of the mounting plate 2 can be screwed outward from the threaded holes 17 provided inside the top and bottom sides of the mounting platform 3, respectively. Then, the mounting platform 3 can be disassembled from the top of the machine body 1, and the test components of the testing machine can be disassembled, maintained and repaired.

[0032] Working principle: When the utility model is in use, when fixing the potentiometer workpiece during the test, the rotating shaft of the potentiometer can be passed through the interior of the through hole 24, and the top end of the rotating shaft can be inserted into the interior of the three-claw clamp 18, and then the acrylic cover 26 can be pressed against the bottom end of the potentiometer, and the hexagonal screws 25 are used on both sides of the bottom end of the acrylic cover 26 to pass through the interior of the acrylic cover 26 and correspondingly screwed into the interior of the threaded sleeve 23, and then the potentiometer can be auxiliary pressed against and fixed to the bottom end of the first support plate 4, and then the rotating shaft of the potentiometer can be fixed by using the three-claw clamp 18 to complete the fixation before the test. Three-claw clamps 18 are respectively provided on both sides and the middle position of the bottom end of the second support plate 5, and three groups of potentiometer workpieces can be installed at the same time for testing. After the potentiometer workpiece is fixed to the bottom end of the first support plate 4 and the rotating shaft of the potentiometer is clamped and fixed inside the bottom end of the three-claw clamp 18, during the test, the output shaft is started by controlling the drive motor 20 to use the sixth toothed belt pulley 21 and the third toothed belt pulley 22. The shaped belt body 22 and the second toothed disc pulley 8 drive the first rotating shaft 7 to rotate. When the first rotating shaft 7 rotates, the first toothed belt pulley 6, the second toothed belt body 19 and the fourth toothed belt pulley 13 can be used to drive the second rotating shaft 12 to rotate. When the second rotating shaft 12 rotates, the third toothed belt pulley 11, the fifth toothed belt pulley 14 and the first toothed belt body 15 can be used to drive the third rotating shaft 16 to rotate. The simultaneous rotation of the first rotating shaft 7, the second rotating shaft 12 and the third rotating shaft 16 can simultaneously drive the three groups of three grippers 18 to rotate to test the rotation life of the potentiometer. When the testing machine is used, multiple groups of potentiometer workpieces can be tested at the same time. When the testing machine is used, the hexagon socket bolts 10 set on both sides of the top and bottom of the mounting plate 2 can be respectively screwed out from the threaded holes 17 set on both sides of the top and bottom of the mounting table 3. Then, the mounting table 3 can be disassembled from the top of the machine body 1, and the test components of the testing machine can be disassembled, maintained and repaired.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A potentiometer rotation life tester, comprising a machine body (1), characterized in that: The top and bottom of the front end of the machine body (1) are respectively fixed with mounting plates (2), a mounting platform (3) is arranged between the mounting plates (2), and a third support plate (9) is fixed to the top of the front end of the mounting platform (3), a second support plate (5) is fixed at the middle position of the front end of the mounting platform (3), a first support plate (4) is fixed to the bottom of the front end of the mounting platform (3), a display screen (28) is fixed to the left side of the front end of the bottom of the machine body (1), a switch assembly (27) is arranged on the right side of the front end of the bottom of the machine body (1), a first rotating shaft (7) is movably connected to the left side of the bottom end of the third support plate (9), a second rotating shaft (12) is movably connected to the middle position of the bottom end of the third support plate (9), a third rotating shaft (16) is movably connected to the right side of the bottom end of the third support plate (9), and three gripping clamps (18) are respectively arranged at both sides and the middle position of the bottom end of the second support plate (5); A second toothed disc pulley (8) is fixed at the top end of the first rotating shaft (7), a first toothed belt pulley (6) is fixed at the bottom end of the first rotating shaft (7), a third toothed belt pulley (11) is fixed at the top end of the second rotating shaft (12), a fourth toothed belt pulley (13) is fixed at the bottom end of the second rotating shaft (12), a fifth toothed belt pulley (14) is fixed at the top end of the third rotating shaft (16), a second toothed belt body (19) is installed between the first toothed belt pulley (6) and the fourth toothed belt pulley (13), a first toothed belt body (15) is installed between the third toothed belt pulley (11) and the fifth toothed belt pulley (14), a driving motor (20) is fixed on the left side of the interior of the mounting plate (2), and a sixth toothed belt pulley (21) is fixed to the output shaft of the driving motor (20), and a third toothed belt body (22) is installed between the second toothed disc pulley (8) and the sixth toothed belt pulley (21).

2. The potentiometer rotation life tester according to claim 1, characterized in that: The bottom ends of the first rotating shaft (7), the second rotating shaft (12) and the third rotating shaft (16) respectively penetrate the bottom end of the second supporting plate (5) and are fixedly connected to the top end of the three-claw clamp (18).

3. The potentiometer rotation life tester according to claim 1, characterized in that: The first rotating shaft (7), the second rotating shaft (12) and the third rotating shaft (16) are arranged at equal intervals at the bottom end of the third supporting plate (9).

4. The potentiometer rotation life tester according to claim 1, characterized in that: Acrylic covers (26) are respectively arranged on both sides and in the middle of the bottom end of the first support plate (4), and hexagonal screws (25) are respectively arranged on both sides of the bottom end of the acrylic cover (26), through holes (24) are respectively arranged on both sides and in the middle of the first support plate (4), and threaded sleeves (23) are respectively arranged on both sides and in the middle of the bottom end of the first support plate (4).

5. The potentiometer rotation life tester according to claim 4, characterized in that: The top end of the hexagonal screw (25) passes through the interior of the acrylic cover (26).

6. The potentiometer rotation life tester according to claim 4, characterized in that: The outer portion of the hexagonal screw (25) is provided with an external thread, and the inner portion of the threaded sleeve (23) is provided with an internal thread matching the external thread.

7. The potentiometer rotation life tester according to claim 1, characterized in that: Hexagon socket bolts (10) are respectively provided on both sides of the top end of the mounting plate (2), and threaded holes (17) are respectively provided on both sides of the top end and the bottom end of the mounting platform (3).

8. The potentiometer rotation life tester according to claim 1, characterized in that: The mounting plates (2) are arranged symmetrically with respect to the horizontal center line of the mounting platform (3).

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