Automatic clamping and testing mechanism for rotor of brushless motor

Abstract

The utility model relates to an automatic clamping and testing mechanism for a rotor of a brushless motor. The automatic clamping and testing mechanism is characterized by comprising a friction turntable, a motor top block, a mounting seat, a clamping module and a connecting spring, wherein the clamping module is used for clamping and fixing the rotor of a motor product to be tested; a central hole matched with the mounting seat is formed in the central position of a bottom plate of the friction turntable; the mounting seat is mounted in the center hole in a sliding manner; the connecting spring is contained in the center hole, and the two ends of the connecting spring are fixedly connected with the inner wall of the center hole and the mounting base respectively. The motor top block is mounted at the bottom of the mounting seat; the clamping module is rotatably mounted on the friction turntable; the assembling end of the mounting seat penetrates through the side wall of the center hole and then is rotationally connected with the clamping module; the whole structure is stable and compact, the occupied space is small, an independent air cylinder or a motor is not needed to serve as a power source of the clamping module, and the production and machining cost is effectively saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging equipment technical field more specifically, it relates to a kind of brushless motor dynamic automatic clamping test mechanism. BACKGROUND

[0002] Motor is very extensive in today's society Application, as large as car, as small as fan used daily, in motor production process, the performance test of motor determines the quality of motor is qualified or not, and some motor parameters need professional equipment instrument to detect. In the detection process, motor test fixture also plays a vital role, some motor shape special, there is no better or larger space clamping, the design of test fixture will be more difficult, and the dynamic clamping mechanism of motor at present is basically clamped and fixed by multiple mechanical arms cooperation, each mechanical arm is equipped with cylinder and or motor as power source, so that multiple mechanical arms cooperate to realize clamping operation;But this clamping mechanism is large in overall size, structure is complicated, assembly is not easy, and synchronous clamping debugging is often needed during use;For this reason, we propose a new brushless motor dynamic automatic clamping test mechanism. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a kind of brushless motor dynamic automatic clamping test mechanism to solve the technical problems existing in the background art.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a kind of brushless motor dynamic automatic clamping test mechanism, comprising: friction turntable, motor top block compatible with the dynamic of the motor product to be tested, mounting seat, clamping module for clamping and fixing the dynamic of the motor product to be tested, and connecting spring;The bottom plate center position of the friction turntable is provided with the center hole compatible with the mounting seat;The mounting seat can be slidably installed in the center hole;The connecting spring is placed in the center hole, and its two ends are respectively fixedly connected with the inner wall of the center hole and the mounting seat;The motor top block is installed at the bottom of the mounting seat;The clamping module is rotatably installed on the friction turntable;The assembly end of the mounting seat is connected with the clamping module after passing through the side wall of the center hole.

[0005] Optionally, the mounting seat includes: T block, and several installation blocks;Several installation blocks are equidistantly arranged on the four peripheral edges of the T block, and the assembly end is respectively connected with the clamping module after passing through the side wall of the center hole;One end of the T block is connected with the connecting spring, and the other end is connected with the motor top block.

[0006] Optionally, the clamping module includes: a plurality of movable jaws corresponding one-to-one with the plurality of mounting blocks, and screws corresponding one-to-one with the plurality of movable jaws; one end of each of the plurality of movable jaws is hinged to the plurality of mounting blocks through the plurality of screws; the other end of each jaw is provided with an arc-shaped groove; the friction turntable is provided with a plurality of slots adapted to the plurality of movable jaws; a limiting rod adapted to the arc-shaped groove is mounted in the slot; the limiting rod is slidably inserted in the arc-shaped groove; the movable jaw is rotatably connected to the friction turntable through the limiting rod.

[0007] Optionally, the gripping end of the moving jaw is provided with a gripping rubber pad.

[0008] Optionally, a connecting rod is provided on the top of the friction turntable.

[0009] This utility model has a stable and compact overall structure with a small footprint. It does not require a separate cylinder or motor as the power source for the clamping module, effectively saving production and processing costs. It can effectively ensure that multiple moving parts work synchronously, avoiding unstable clamping. Attached Figure Description

[0010] Figure 1 This is an assembly drawing of this utility model;

[0011] Figure 2 yes Figure 1 A sectional view;

[0012] Figure 3 yes Figure 1 Exploded view. Detailed Implementation

[0013] To make the objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein.

[0014] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through the intermediate medium, can be the communication inside two elements. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances. The terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0015] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. The terms "vertical", "horizontal", "left", "right", "up", "down" and similar expressions are only for the purpose of illustration, and are not indicative or suggestive of the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as limiting the utility model.

[0016] The utility model is described in detail below in connection with the drawings and examples.

[0017] As Figures 1-3 As shown in the utility model provides a kind of brushless motor rotor automatic clamping test mechanism, comprising: friction turntable 1, the rotor of the motor product to be tested is adapted motor top block 2, mounting seat 3, for the rotor of the motor product to be tested is clamped and fixed clamping module 4, and connecting spring 5;The bottom plate center position of the friction turntable is provided with the center hole 9 adapted with the mounting seat 3;The mounting seat 3 can be slidably installed in the center hole 9;The connecting spring 5 is placed in the center hole 9, and its two ends are respectively fixedly connected with the inner wall of the center hole 9 and mounting seat 3;The motor top block 2 is installed at the bottom of the mounting seat 3;The clamping module 4 can be rotatably installed on the friction turntable 1;The assembly end of the mounting seat 3 is connected after the side wall of the center hole 9 The clamping module 4 rotates;The top of the friction turntable 1 is provided with connecting rod 8.

[0018] In this embodiment, as Figures 1-3 As shown, the connecting rod 8 is used to connect the Z-axis pressing mold base on the testing equipment. When the moving part of the electronic product to be tested needs to be clamped and fixed, the motor top block 2 contacts the moving part of the motor product. The Z-axis pressing mold base presses down, driving the connecting rod 8 to press down. During this process, the motor top block 2 is lifted upward under the pressure of the moving part of the motor product. The mounting base 3 connected to the motor top block 2 also moves upward. At this time, the connecting spring 5 is compressed. At the same time, the clamping module 4 moves towards the center hole 9 and upward under the drive of the mounting base 3. When the moving part of the motor product contacts the bottom surface of the friction turntable 1, the moving part of the motor product is clamped and fixed with the cooperation of the clamping module 4 and the friction turntable 1. After the test is completed, the Z-axis pressing mold base moves upward to release the motor. The connecting spring 5 pushes out the mounting base 3, and the clamping module 4 is driven to move in all directions and downward. At this time, the moving part of the motor product is released. The overall structure is stable and compact, with a small footprint. It does not require an independent cylinder or motor as a power source, effectively saving production and processing costs.

[0019] Furthermore, the mounting base 3 includes a T-shaped block 31 and a plurality of mounting blocks 32; the plurality of mounting blocks 32 are equidistantly arranged on the four periphery of the T-shaped block 31, and their assembly ends pass through the side wall of the central hole 9 and are rotatably connected to the clamping module 4; one end of the T-shaped block 31 is connected to the connecting spring 5, and the other end is connected to the motor top block 2.

[0020] In this embodiment, as Figures 2-3 As shown, the T-shaped block 31 is installed in an inverted state on the upper end of the motor top block 2; in this embodiment, the number of mounting blocks 32 is 4, and in other embodiments, the number can be increased or decreased according to the actual application; the 4 mounting blocks 32 are installed equidistantly around the T-shaped block 31, and the upper end of the T-shaped block 31 is connected to the connecting spring 5 so that the T-shaped block 31 and the mounting blocks 32 can slide in the center hole 9 on the friction turntable 1; the overall structure is stable and easy to install.

[0021] Furthermore, the clamping module 4 includes: a plurality of movable jaws 41 corresponding to a plurality of mounting blocks 32, and a screw 42 corresponding to a plurality of movable jaws 41; one end of each of the movable jaws 41 is hinged to a plurality of mounting blocks 32 via a plurality of screws 42; the other end of each jaw is provided with an arc-shaped groove 43; a plurality of slots 6 adapted to the plurality of movable jaws 41 are provided on the friction turntable 1; a limiting rod 7 adapted to the arc-shaped groove 43 is mounted in the slot 6; the limiting rod 7 is slidably inserted in the arc-shaped groove 43; the movable jaws 41 are rotatably connected to the friction turntable 1 via the limiting rod 7.

[0022] In the embodiment, as shown in Figures 1-3 The number of the mover clamping jaws 41 corresponds to the number of the mounting blocks 32, and is also four. One end of each of the mover clamping jaws 41 is hinged to the mounting block 32 through the screw rod 42, and the other end is connected with the rotating disc 1 through the cooperation of the limiting rod 7 and the arc-shaped slot 43. When the motor product is clamped, the T-shaped block 31 moves upward, and then drives the four mounting blocks 32 to move the clamping ends of the four mover clamping jaws 41 together to the center direction and upward, so as to clamp and fix the mover of the motor product in cooperation with the rotating disc 1. The structure is simple and convenient to install, and can effectively ensure that the four mover clamping jaws 41 clamp synchronously to avoid unstable clamping.

[0023] Further, the clamping end of the mover clamping jaw 41 is provided with a clamping rubber pad.

[0024] The brushless motor mover automatic clamping test mechanism has stable and compact overall structure, small space occupation, and does not need an independent cylinder or motor as a power source of the clamping module 4, so that the production and processing cost is effectively saved, and multiple mover clamping can be effectively ensured to work synchronously to avoid unstable clamping.

[0025] The preferred embodiments of the utility model are described above, and the protection scope of the utility model is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the utility model belongs to the protection scope of the utility model. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model are also considered as the protection scope of the utility model.

Claims

1. A brushless motor moving element automatic clamping test mechanism, characterized by, The utility model relates to a friction turntable, motor top block matched with the rotor of motor product to be tested, mounting seat, clamping module for clamping and fixing the rotor of motor product to be tested and connecting spring, the bottom plate center position of the friction turntable is provided with the center hole matched with the mounting seat, the mounting seat can be slidably installed in the center hole, the connecting spring is arranged in the center hole, and the both ends of the connecting spring are fixedly connected with the inner wall of the center hole and the mounting seat respectively, the motor top block is installed at the bottom of the mounting seat, the clamping module is rotatably installed on the friction turntable, and the assembly end of the mounting seat is rotatably connected with the clamping module after penetrating through the side wall of the center hole. The mounting seat comprises a T-shaped block and a plurality of mounting blocks, the plurality of mounting blocks are equidistantly arranged on the four peripheral edges of the T-shaped block, the assembly ends of the plurality of mounting blocks are rotatably connected with the clamping module by penetrating through the side wall of the center hole respectively, one end of the T-shaped block is connected with the connecting spring, and the other end of the T-shaped block is connected with the motor top block.

2. The brushless motor moving element automatic clamping test mechanism according to claim 1, characterized by, The clamping module comprises a plurality of rotor clamping jaws corresponding to the plurality of mounting blocks one by one and a plurality of screw rods corresponding to the plurality of rotor clamping jaws one by one, one end of the plurality of rotor clamping jaws is hingedly connected to the plurality of mounting blocks through the plurality of screw rods one by one, the other end of the clamping jaw is provided with an arc-shaped groove, a plurality of clamping grooves matched with the plurality of rotor clamping jaws are formed in the upper portion of the friction turntable, a limiting rod matched with the arc-shaped groove is arranged in the clamping groove, the limiting rod is slidably arranged in the arc-shaped groove, and the rotor clamping jaw is rotatably connected with the friction turntable through the limiting rod.

3. The brushless motor moving element automatic clamping test mechanism according to claim 2, characterized by, The clamping end of the rotor clamping jaw is provided with a clamping rubber pad.

4. The brushless motor moving element automatic clamping test mechanism according to claim 3, characterized by, The top portion of the friction turntable is provided with a connecting rod.

5. The brushless motor moving element automatic clamping test mechanism according to claim 1, characterized by, ​

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