CN212180855U

CN212180855U - Micro motor testing device

Info

Publication number: CN212180855U
Application number: CN202020641379.5U
Authority: CN
Inventors: 刘锐邦; 刘锐权
Original assignee: Dongguan Chang Ji Motor Co ltd
Current assignee: Dongguan Chang Ji Motor Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-18
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a motor test field, in particular to micro motor testing arrangement. The micro motor testing device comprises a workbench and at least one set of clamping mechanism arranged on the workbench. The workbench comprises a workbench threaded hole, a supporting block and a workbench surface; the clamping mechanism comprises a bottom plate and a clamp, wherein the bottom plate comprises a positioning groove, a plate through hole and a plate threaded hole; the clamp comprises a base, a seat through hole, a driving rod, a connecting piece and a driven rod. When in testing, the motor is fixed in the positioning groove of the supporting plate through the clamp, and then the micro motor is communicated with the wire holder arranged on the workbench to rotate the micro motor for testing. The utility model has the advantages of can change in order to test different specification motors micro motor testing arrangement.

Description

Micro motor testing device

Technical Field

The utility model relates to a motor test field, in particular to micro motor testing arrangement.

Background

Along with the development of science and technology, the design of various electronic products becomes exquisite, like small-size electronic equipment such as electric toothbrush and small-size unmanned aerial vehicle, therefore this type of electronic product often need use micro motor to drive in order to guarantee its small and exquisite volume design. Whether the micro motor in the product runs stably or not can generate great influence on the service life of the product, so that the motor operation of the produced small-sized electric product is often required to be detected.

Because the products that use micro motor have a lot of and not of uniform size, will demand to use the micro motor of variation in size, the firm of producing the motor specially also can produce multiple type motor in order to supply different demands, just so will lead to the micro motor that has different specifications to need to carry out performance test such as life-span. In this case, how to efficiently test the performance such as the service life of the motor with different outer diameters becomes a big problem in practical production.

The existing testing technology comprises a bottom plate and clamps which are generally transversely arranged on a workbench, and when motors with different specifications are required to be tested, the small motors required to be tested are replaced by another workbench provided with a clamping mechanism matched with a testing motor for testing.

When micro motors of different models are produced, the existing clamp can only clamp the motor of the same size and specification, so that a large number of work tables are needed to be provided with clamping mechanisms of different specifications to meet the test requirements of the micro motors of different models, and a large number of storage spaces are needed to be used for placing the work tables.

Based on this, a miniature motor testing device is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a micro motor testing arrangement, it has the advantage of being convenient for change anchor clamps with the different specification motors of adaptation.

The utility model discloses a can realize through following technical scheme:

a micro motor testing device comprises a workbench and at least one clamping mechanism detachably arranged on the workbench, wherein an electric connection seat connected with an external power supply is arranged on the workbench, and the clamping mechanism comprises a bottom plate and a clamp fixedly arranged on the bottom plate; the bottom plate is provided with a positioning groove for fixing the micro motor; anchor clamps include with the base that the connection can be dismantled to the bottom plate, rotate set up in the driven lever of base and order about driven lever pivoted actuating lever install the pressure head that is used for fixed micro motor on the driven lever, the actuating lever with the base rotates to be connected, rotates on the actuating lever to be provided with and rotates the connecting piece of being connected with the driven lever.

By adopting the technical scheme, when the service life of the micro motor with a certain specification is tested, the micro motor is fixed on the positioning groove through the clamping mechanism, and then the micro motor is communicated with the connecting seat to run and then carry out the service life test. When the service life of the micro motor with another specification needs to be tested, the steps can be repeated to test the service life of the micro motor with the specification only by detaching the clamping mechanism for testing the micro motor with the previous specification from the workbench and replacing the clamping mechanism matched with the micro motor with the previous specification. Compare in prior art, need not change another workstation and test to, from this for this micro motor testing arrangement has the advantage of being convenient for change anchor clamps with the different specification motors of adaptation.

The utility model discloses can further configure to in a preferred example, the workstation is in including setting up at subaerial supporting shoe and fixed setting the table surface of supporting shoe up end, the connection socket is located table surface is last.

By adopting the scheme, the workbench is simple and convenient to manufacture, and the manufacturing cost of the workbench is reduced.

The utility model discloses can further configure to in a preferred example, the electric wire hole that supplies the external power source to insert is seted up to one side of supporting shoe.

Through adopting above-mentioned technical scheme, the wire can be from passing behind the workstation wire hole intercommunication connection terminal rather than from power lug connection to connection terminal, is convenient for can carry out winding displacement and change to the wire, avoids the emergence of the electric shock condition of leaking electricity simultaneously, has improved micro motor testing arrangement's security.

The present invention may be further configured in a preferred embodiment such that the electrical socket has a clamping piece for clamping the micro-motor wire.

By adopting the technical scheme, the product can clamp the wire on the micro motor through the clamping piece when testing, and the test interruption caused by the fact that the wire falls out of the wire holder due to factors such as vibration in the testing process is avoided.

The utility model discloses can further configure to in a preferred example, fixture's quantity has the double number, and all fixture symmetries set up the both sides at table surface.

By adopting the technical scheme, the symmetrical arrangement on two sides of the workbench is more reasonable compared with the single-side arrangement in the prior art.

The utility model discloses can further configure to in a preferred example, the edge of bottom plate has seted up the board through-hole, be provided with the platform screw hole with board through-hole intercommunication on the workstation be provided with the bolt of being connected with a screw hole in the board through-hole, the nut of bolt support press in the bottom plate is kept away from in the one side of workstation.

Through adopting above-mentioned technical scheme for fixture is guaranteeing to dismantle to be connected can firmly install under the prerequisite of workstation on the workstation, also can let fixture test some types of vibrating motor when letting the test process more steady.

The utility model discloses can further configure to in a preferred example, the central authorities department of base has seted up a through-hole, be provided with on the bottom plate with the board screw hole of a through-hole intercommunication be provided with in the through-hole and be connected with the board screw hole and be the screw, the nut of screw supports presses in the one side that the bottom plate was kept away from to the base.

Through adopting above-mentioned technical scheme for the base is guaranteeing to install firmly convenient to detach under the prerequisite of bottom plate can directly demolish anchor clamps and change when anchor clamps need to be repaired, and need not change whole fixture.

The utility model discloses can further configure to in a preferred example, the driven lever has seted up waist type hole along vertical direction running through, anchor clamps still include the edge the gliding threaded rod of waist type hole length direction, the pressure head support press in the lower opening terminal surface in waist type hole and with the one end fixed connection of threaded rod, the other end threaded connection of threaded rod has the nut, the nut supports to press on the upper opening terminal surface in waist type hole.

By adopting the technical scheme, the nut can be loosened to enable the threaded rod to slide in the waist-shaped hole along the length direction of the waist-shaped hole, and then tightened to enable the threaded rod to be fixed at a certain position in the length direction of the waist-shaped hole. The adjustable nut has the advantage that the position of the pressure head on the driven rod can be adjusted by adjusting the tightness of the nut so as to realize the compression of micro motors with different specifications.

The utility model discloses can further configure to in a preferred example, anchor clamps still include that two covers are located the gasket of threaded rod, one of them gasket is located between the upper shed terminal surface in nut and waist type hole, and another gasket is located between the lower shed terminal surface in pressure head and waist type hole.

By adopting the technical scheme, the stress area of the nut pressed on the kidney-shaped hole can be indirectly increased, so that the threaded rod is more firmly fixed on the driven rod to compress the micro motor.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the bottom plate is detachably arranged on the workbench, and a clamping mechanism with required specification can be replaced for testing;

2. the clamping mechanisms are symmetrically arranged on the workbench, and the arrangement is more reasonable and convenient compared with the existing single-side arrangement.

Drawings

Fig. 1 is a schematic view of the structure of the clamping mechanism when mounted on the worktable.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of the structure of the base plate when it is mounted on the table.

Fig. 4 is a schematic view of the structure of the jig.

Reference numerals: 1. a work table; 11. a support block; 111. a wire hole; 12. a work table; 13. a table threaded hole; 2. an electric connection seat; 21. a clip; 3. a clamping mechanism; 31. a base plate; 311. positioning a groove; 312. a plate through hole; 313. plate threaded holes; 32. a clamp; 320. a gasket; 321. a base; 322. a seat through hole; 323. a drive rod; 324. a driven lever; 325. a connecting member; 326. a handle; 327. a pressure head; 328. a threaded rod; 329. a nut; 41. a bolt; 42. and (4) screws.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a micro motor testing arrangement, micro motor testing arrangement includes workstation 1 and at least one fixture 3 of installing on workstation 1, fixture 3 includes bottom plate 31 and anchor clamps 32.

Referring to fig. 1, a table 1 is placed on the ground. The workbench 1 comprises a supporting block 11 arranged on the ground and a workbench surface 12 fixedly arranged on the upper end surface of the supporting block 11. In this embodiment, the support block 11 has a rectangular parallelepiped shape and is disposed below the shorter sides of the large-area surface of the work table 12.

Referring to fig. 1 and 2, since the micro motor usually has a wire for connecting electricity, an electric connecting socket 2 is installed on the work table 12, and the electric connecting socket 2 has a clamping piece 21 for clamping the wire of the micro motor.

Referring to fig. 1 and 3, a wire hole 111 convenient for an external power supply to access is formed in one side of the supporting block 11, and the external power supply can penetrate through the wire hole 111 and be connected with the electric connection seat 2 below the working table for supplying power.

Referring to fig. 2, the base plate 31 is detachably attached to the table 1. In the present embodiment, the bottom plate 31 has a rectangular parallelepiped shape, and the bottom plate 31 is provided with positioning grooves 311 formed on one side of the bottom plate 31 and plate through holes 312 formed at four corners of the bottom plate 31. The axis of the plate through hole 312 is perpendicular to the working table 12, correspondingly, a table threaded hole 13 communicated with the plate through hole 312 is formed in the working table 12, and the axis of the table threaded hole 13 is collinear with the axis of the plate through hole 312. The plate through hole 312 is provided with a bolt 41 communicated with the table threaded hole 13, and the nut of the bolt 41 is pressed against the surface of the bottom plate 31 far away from the workbench 1.

The width of the positioning groove 311 is approximately equal to the outer diameter of the micro-motor to be tested, the depth of the positioning groove 311 is approximately equal to the radius of the micro-motor to be tested, and the length of the positioning groove 311 is approximately equal to two-thirds of the length of the micro-motor to be tested. Thus, the micro motor can be placed in the positioning slot 311, and one end of the micro motor for rotation is suspended for idle running test.

Referring to fig. 3, a jig 32 is installed on the base plate 31, and the jig 32 is used to fix and press the micro motor inside the positioning groove 311. The clamp 32 includes a base 321 detachably connected to the base plate 31, a driven rod 324 rotatably connected to the base 321, and a driving rod 323 rotatably connected to the base 321 for driving the driven rod 324 to rotate. The rotational axis of the driven lever 324 is located at one end in the longitudinal direction thereof and is arranged in the horizontal direction, and the rotational axis of the driven lever 324 is perpendicular to the axis of the driven lever 324. The rotational axis of the drive lever 323 is parallel to the rotational axis of the driven lever 324. The driving rod 323 is rotatably provided with a connecting piece 325 which is rotatably connected with the driven rod 324, the rotating axis of the connecting piece 325 is parallel to the axis of the driven rod 324, one end of the connecting piece 325 is positioned on the driving rod 323, and the other end is positioned on the driven rod 324. A handle 326 for conveniently pushing the driving rod 323 is installed on one end of the driving rod 323 away from the base 321. The base 321 has a base through hole 322. The axis of the seat through hole 322 is perpendicular to the bottom plate 31, correspondingly, a plate threaded hole 313 communicated with the seat through hole 322 is formed in the position, close to the middle, of the bottom plate 31, the axis of the plate threaded hole 313 is collinear with the axis of the seat through hole 322, a screw 42 communicated with the plate threaded hole 313 is arranged in the seat through hole, and a nut of the screw 42 is abutted against one surface, far away from the bottom plate 31, of the base 321. In this embodiment, only by pushing the handle 326 upward, the handle 326 will drive the driving rod 323 to rotate clockwise (with reference to the direction of fig. 3) around the base 321, the driving rod 323 applies a force to the connecting member 325 to make the connecting member 325 rotate clockwise (with reference to the direction of fig. 3) with respect to the driving rod 323, the connecting member 325 in turn drives the driven rod 324 to rotate clockwise (with reference to the direction of fig. 3) with respect to the base 321 to the extreme position, the connecting member 325 should be perpendicular to the driven rod 324 after reaching the extreme position, and the driven rod 324 is pressed perpendicular to the driven rod 324 at this time and cannot rotate freely any more, thereby forming a self-locking.

Referring to fig. 3, in the present embodiment, the length direction of the driven rod 324 refers to the axial direction of the driven rod 324, the vertical direction of the driven rod 324 is perpendicular to the axial direction, a kidney-shaped hole penetrates through the driven rod 324 along the vertical direction, one surface of the opening of the kidney-shaped hole, which is far away from the bottom plate 31, is an upper end surface, and one surface of the opening of the kidney-shaped hole, which is close to the bottom plate 31, is a lower end surface. The fixture 32 further comprises a threaded rod 328 which slides along the length direction of the kidney-shaped hole, a pressure head 327 for fixing the micro motor is mounted on the threaded rod 328, the pressure head 327 abuts against the lower opening end face of the kidney-shaped hole and is fixedly connected with one end of the threaded rod 328, a nut 329 is connected to the other end of the threaded rod 328 in a threaded mode, and the nut 329 abuts against the upper opening end face of the kidney-shaped hole. The nut 329 can be loosened to allow the threaded rod 328 to slide in the waist-shaped hole along the length direction of the waist-shaped hole, and then the nut 329 is tightened to allow the threaded rod 328 to be fixed on a certain position of the waist-shaped hole, so that clamping tests can be conveniently carried out on micro motors of different specifications. The fixture 32 further includes two spacers 320 sleeved on the threaded rod 328, the flat ends of the middle portion of the spacer 320 tilt, the middle portion of the spacer 320 fits the opening end face of the kidney-shaped hole, the inner walls of the tilted ends of the spacer 320 fit the outer wall of the kidney-shaped hole perpendicular to the opening end face to increase the contact area, one of the spacers 320 is located between the nut 329 and the upper opening end face of the kidney-shaped hole, and the other spacer 320 is located between the pressure head 327 and the lower opening end face of the kidney-shaped hole. After the handle 326 is pushed to make the clamping mechanism 3 achieve self-locking, the pressure head 327 should firmly fix the micro-motor on the positioning slot 311.

The working principle of the embodiment is as follows: the electric connecting seat 2 is connected with an external power supply; when the micro motor needs to be tested, the corresponding clamping mechanism 3 is only required to be installed on the workbench 1, the micro motor is placed into the positioning groove 311 and then clamped and fixed on the positioning groove 311 through the clamp 32, the lead of the micro motor is connected to the electric connection seat 2, the electric connection seat 2 supplies power for the micro motor, and the micro motor can rotate continuously to perform performance testing.

When a micro motor with another specification needs to be tested, the required clamping mechanism 3 can be directly installed at another corresponding position of the workbench 1 different from the clamping mechanism 3 which is tested previously, or the required clamping mechanism 3 is used for directly replacing the previous clamping mechanism 3, so that the performance test of the micro motor with different specifications can be performed on the same workbench again without replacing the micro motor with another workbench which is provided with a specific clamping mechanism, the workbench 1 in the embodiment can be provided with or replace six sets of clamping mechanisms 3 at most, and the test can be effectively and reasonably arranged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The testing device for the micro motor is characterized by comprising a workbench (1) and at least one clamping mechanism (3) detachably arranged on the workbench (1), wherein an electric connection seat (2) connected with an external power supply is arranged on the workbench (1), and the clamping mechanism (3) comprises a bottom plate (31) and a clamp (32) fixedly arranged on the bottom plate (31); the bottom plate (31) is provided with a positioning groove (311) for fixing the micro motor; anchor clamps (32) including with base (321) that bottom plate (31) can dismantle the connection, rotate set up in driven lever (324) of base (321) and drive driven lever (324) pivoted actuating lever (323) install on driven lever (324) and be used for fixed micro motor's pressure head (327), actuating lever (323) with base (321) rotate to be connected, rotate on actuating lever (323) and be provided with and rotate connecting piece (325) of being connected with driven lever (324).

2. The testing device of the micro motor according to claim 1, wherein the workbench (1) comprises a supporting block (11) arranged on the ground and a workbench surface (12) fixedly arranged on the upper end surface of the supporting block (11), and the electric socket (2) is positioned on the workbench surface (12).

3. The testing device of the micro-motor according to claim 2, wherein one side of the supporting block (11) is provided with a wire hole (111) for an external power supply to access.

4. A testing device for micro-motors according to claim 1, characterized in that the sockets (2) have jaws (21) for gripping the micro-motor wires.

5. The testing device of the micro-motor according to claim 1, wherein the number of the clamping mechanisms (3) is even, and all the clamping mechanisms (3) are symmetrically arranged on two sides of the working platform (12).

6. The testing device of the micro motor according to claim 1, wherein a plate through hole (312) is formed at an edge of the bottom plate (31), a table threaded hole (13) communicated with the plate through hole (312) is formed in the workbench (1), a bolt (41) connected with the table threaded hole (13) is arranged in the plate through hole (312), and a nut of the bolt (41) is pressed against a surface of the bottom plate (31) far away from the workbench (1).

7. The testing device of the micro motor according to claim 1, wherein a seat through hole (322) is formed in the center of the base (321), a plate threaded hole (313) communicated with the seat through hole (322) is formed in the base (31), a screw (42) connected with the plate threaded hole (313) is arranged in the seat through hole (322), and a nut of the screw (42) is pressed against one surface, far away from the base (31), of the base (321).

8. The testing device of the micro-motor according to claim 1, wherein the driven rod (324) is provided with a kidney-shaped hole in a penetrating manner along a vertical direction, the fixture (32) further comprises a threaded rod (328) which slides along a length direction of the kidney-shaped hole, the pressure head (327) is pressed against a lower opening end face of the kidney-shaped hole and fixedly connected with one end of the threaded rod (328), the other end of the threaded rod (328) is in threaded connection with a nut (329), and the nut (329) is pressed against an upper opening end face of the kidney-shaped hole.

9. The testing device of claim 8, wherein the fixture (32) further comprises two washers (320) disposed on the threaded rod (328), one washer (320) being disposed between the nut (329) and the upper open end of the kidney-shaped hole, and the other washer (320) being disposed between the ram (327) and the lower open end of the kidney-shaped hole.