CN219094855U

CN219094855U - Novel electromagnetic type automatic key fixture device

Info

Publication number: CN219094855U
Application number: CN202222571145.XU
Authority: CN
Inventors: 吴欣丽
Original assignee: Shenzhen Yueran Electronics Co ltd
Current assignee: Shenzhen Yueran Electronics Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-30
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a novel electromagnetic type automatic key clamp device, which comprises a plurality of electromagnetic devices (3) which are arranged in a top plate (4) and used for carrying out pressing test on a tested part, wherein each electromagnetic device (3) is provided with an electromagnetic coil interface, and magnetic fields with different polarities are generated by utilizing different electrifying directions so that the electromagnetic devices (3) can carry out ejection test action or retraction action. The utility model converts electric energy into mechanical energy to replace a cylinder driving control mode in the traditional technology, thereby achieving faster reaction speed and accuracy and smaller whole volume.

Description

Novel electromagnetic type automatic key fixture device

Technical Field

The utility model relates to a testing device, in particular to a novel electromagnetic type automatic key clamp device.

Background

In the existing production test clamp, an air cylinder is used for pressing control on the action required to be automatically pressed for testing, and when the pressing action is executed, compressed air pushes an internal piston to realize the forward action; when the pressing action is released, the internal compressed air is released, and the piston is pushed by the internal spring to realize the retreating action.

Defects of the prior art:

a. the clamps using the air cylinders need compressors to be matched for compressing and feeding air, so that the compressors are required to be equipped in engineering application sites, and larger equipment volume is required in the sites; and the compressor increases the cost of the clamp;

b. the internal energy of the gas is converted into mechanical kinetic energy, and the whole process is slower in reaction, so that the clamp using the air cylinder cannot be rapidly switched when executing pressing and releasing commands, and the testing time is longer when facing equipment needing to do a large number of key tests.

Disclosure of Invention

The utility model aims to solve the technical problems of large volume, high cost and slow reaction of a clamp using an air cylinder, designs a brand new structure by utilizing an electromagnetic technology, and can effectively solve the defects in the prior art.

The utility model is realized by the following technical scheme: the utility model provides a novel electromagnetic type automatic button anchor clamps device, is used for pressing a plurality of electromagnetic means that the test was used for to the measured part including installing in the roof, and every electromagnetic means all is provided with the solenoid interface, utilizes the magnetic field of different circular telegram directions production different polarity to make electromagnetic means make ejecting test action or retract the action.

As a preferable technical scheme, each electromagnetic device comprises a mechanical test part and a magnetic driving part;

the mechanical test part comprises a fixed shell, a spring and a magnetic push rod, wherein the fixed shell is arranged in the top plate, a movable cavity is formed in the fixed shell, a limiting ring is arranged on the magnetic push rod in a protruding mode, the spring is sleeved on the magnetic push rod at the upper end of the limiting ring, one end of the spring is fixedly connected with the limiting ring, the other end of the spring is fixedly connected with the top surface of the movable cavity, and the magnetic push rod penetrates through the fixed shell and penetrates through the magnetic drive part;

the magnetic driving part comprises a coil fixing device and a coil wrapped outside the coil fixing device, and the magnetic push rod penetrates through the coil fixing device.

As the preferable technical scheme, the magnetic push rod adopts an iron core with magnetic polarity, a coil connector is connected in an electromagnetic coil interface of the coil in an inscribed manner, and when the coil connector is not electrified, the spring pulls the magnetic push rod; when the coil is electrified, magnetic fields with different polarities generated in different electrifying directions can generate attractive force or repulsive force with the magnetic push rod, so that the magnetic push rod performs ejection test action or retraction action.

As a preferable technical scheme, the elastic piece adopts a spring, when the interaction force is opposite to the upward force of the spring and is larger than the upward force of the spring, the magnetic push rod moves downwards, and the tail end of the moving path is that the magnetic push rod is propped against the tail end below the spring fixing device; when the interaction force is the same as the upward force of the spring, the magnetic push rod moves upwards, and the end of the moving path is the end of the magnetic push rod propped against the upper end of the spring fixing device.

As a preferable technical scheme, the top of the coil fixing device is fixedly arranged on the lower end face of a top plate.

The beneficial effects of the utility model are as follows: compared with the prior art, the novel electromagnetic driving structure converts electric energy into mechanical energy, so that the reaction speed and the accuracy can be faster, and the whole volume is smaller.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of an electromagnetic device of the present utility model;

FIG. 2 is a schematic diagram of the whole machine test structure of the present utility model;

FIG. 3 is a schematic diagram of the whole machine structure when the machine is stopped;

FIG. 4 is a schematic cross-sectional view of FIG. 2 in accordance with the present utility model;

FIG. 5 is a schematic cross-sectional view of FIG. 3 in accordance with the present utility model;

FIG. 6 is a schematic diagram of the circuit control of the present utility model;

fig. 7 is an external perspective view of the present utility model of fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1 and 7, the novel electromagnetic automatic key fixture device of the utility model comprises a plurality of electromagnetic devices 3 which are arranged in a top plate 4 and used for pressing a tested part, wherein each electromagnetic device 3 is provided with an electromagnetic coil interface, and magnetic fields with different polarities are generated by using different electrifying directions so that the electromagnetic device 3 performs ejection testing or retraction, and each electromagnetic device 3 comprises a mechanical testing part and a magnetic driving part;

the mechanical test part comprises a fixed shell 33, an elastic piece 32 and a magnetic push rod 31 which are arranged in the top plate 4, wherein a movable cavity is formed in the fixed shell 33, a limiting ring 34 is arranged on the magnetic push rod 31 in a protruding mode, the elastic piece 32 is sleeved on the magnetic push rod 31 positioned at the upper end of the limiting ring 34, one end of the elastic piece 32 is fixedly connected with the limiting ring 34, the other end of the elastic piece 32 is fixedly connected with the top surface of the movable cavity, and the magnetic push rod 31 penetrates through the fixed shell 33 and penetrates through the magnetic drive part;

the magnetic driving part includes a coil fixing device 35 and a coil 36 wrapped around the outside of the coil fixing device 35, and the magnetic push rod 31 passes through the coil fixing device 35.

Wherein, the magnetic push rod 31 adopts an iron core with magnetic polarity, the electromagnetic coil interface of the coil 36 is connected with the coil joint 6 in an inscribed manner, and when not electrified, the elastic piece pulls the magnetic push rod; when the coil 36 is energized, magnetic fields with different polarities generated in different energizing directions generate forces which attract or repel each other with the magnetic push rod 31, so that the magnetic push rod 31 performs ejection test action or retraction action.

The driving circuit of the coil of the device is simple, 4 NMOS tubes are used, and when the two interfaces of A, D are high level and B, C is low level, the magnetic field of the coil is in one direction; when A, D is low and B, C is high, the magnetic field of the coil is in the other direction, and the interaction of the magnetic fields of the two directions and the magnetic field of the iron core pushes the push rod to move upwards or downwards, as shown in fig. 6.

In the present embodiment, the elastic member 32 is a spring, and the spring may be replaced by another elastic member; when the force of interaction is opposite to and greater than the upward force of the spring, the magnetic push rod 31 moves downward, the end of the path of movement being the end of the magnetic push rod that is pushed against the lower end of the spring fixture, as shown in fig. 2 and 4; when the force of the interaction is the same as the upward force of the spring, the magnetic push rod 31 moves upward, and the moving path ends are the ends where the magnetic push rod 31 is pushed up to the upper end of the spring fixing device, as shown in fig. 3 and 5, and the top of the coil fixing device 35 is fixedly mounted on the lower end surface of a top plate 4.

During testing, the tested component 1 is placed on the machine 2, the number of electromagnetic devices can be adjusted according to the number of the tested components, as shown in fig. 2, which is a case of applying the component, the tested component has three keys to perform key actions in the testing process, and the pressing action of each electromagnetic device can be controlled by the coils of the electromagnetic devices.

For another example, the tested device needs to perform 9 key actions, as shown in fig. 3, and in this case, the device is used for controlling the keys by using an automation factory of a door lock.

The utility model can achieve faster control speed by cooperating with a simple coil driving circuit, thereby improving the testing efficiency of the clamp, realizing single-key testing, and also carrying out multi-key combined testing, and adjusting and setting according to specific use requirements. The defects of high cost, large occupied area and low control speed caused by the fact that the air cylinder needs to be matched with the compressor for air compression in automatic production and measurement can be effectively overcome.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. Novel electromagnetic type automatic button anchor clamps device, its characterized in that: the device comprises a plurality of electromagnetic devices (3) which are arranged in a top plate (4) and used for pressing a tested part, wherein each electromagnetic device (3) is provided with an electromagnetic coil interface, and magnetic fields with different polarities are generated by utilizing different electrifying directions so that the electromagnetic devices (3) perform ejection testing action or retraction action.

2. The novel electromagnetic automation key clamp device according to claim 1, wherein: each electromagnetic device (3) comprises a mechanical test part and a magnetic driving part;

the mechanical test part comprises a fixed shell (33), an elastic piece (32) and a magnetic push rod (31) which are arranged in the top plate (4), a movable cavity is formed in the fixed shell (33), a limiting ring (34) is arranged on the magnetic push rod (31) in a protruding mode, the elastic piece (32) is sleeved on the magnetic push rod (31) which is positioned at the upper end of the limiting ring (34), one end of the elastic piece (32) is fixedly connected with the limiting ring (34), the other end of the elastic piece is fixedly connected with the top surface of the movable cavity, and the magnetic push rod (31) penetrates through the fixed shell (33) and penetrates through the magnetic drive part;

the magnetic driving part comprises a coil fixing device (35) and a coil (36) wrapped outside the coil fixing device (35), and the magnetic push rod (31) penetrates through the coil fixing device (35).

3. The novel electromagnetic automation key clamp device according to claim 2, wherein: the magnetic push rod (31) adopts an iron core with magnetic polarity, a coil joint (6) is connected in an electromagnetic coil interface of a coil (36), and when the magnetic push rod is not electrified, the elastic piece pulls the magnetic push rod; when the coil (36) is electrified, magnetic fields with different polarities generated in different electrifying directions can generate attractive force or repulsive force with the magnetic push rod (31), so that the magnetic push rod (31) performs ejection test action or retraction action.

4. The novel electromagnetic automation key clamp device according to claim 2, wherein: the elastic piece (32) adopts a spring, when the interaction force is opposite to the upward force of the spring and is larger than the upward force of the spring, the magnetic push rod (31) moves downwards, and the tail end of the moving path is that the magnetic push rod is propped against the tail end below the spring fixing device; when the interaction force is the same as the upward force of the spring, the magnetic push rod (31) moves upwards, and the moving path end is the end of the magnetic push rod (31) propped against the upper end of the spring fixing device.

5. The novel electromagnetic automation key clamp device according to claim 2, wherein: the top of the coil fixing device (35) is fixedly arranged on the lower end face of a top plate (4).