CN216718557U - A piezoelectric testing device - Google Patents

Abstract

The utility model discloses a piezoelectric testing device, which comprises a pressing plate mechanism and a lower jig plate mechanism. The pressing plate mechanism controls an upper jig plate to move downward and is pressed together with a lower jig plate mechanism. The utility model adopts the method of pressing test, and the design is arranged on the test assembly line of home appliances, which can cooperate with the manipulator to complete the fully automatic power-on test. The lower jig plate has the function of pressing and rebounding. When the manipulator is transported out, the elastic pressure plate can automatically rebound and reset to realize the function of continuous testing. The utility model can be arranged side by side on the test assembly line to improve the test efficiency.

Description

A piezoelectric testing device

technical field

The utility model relates to piezoelectric testing equipment for home appliances, in particular to a piezoelectric testing device.

Background technique

At present, the existing piezoelectric testing equipment for home appliances generally adopts a manual operation power-on testing method or a semi-automatic testing method, which has low testing efficiency.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide a piezoelectric testing device.

The purpose of the present utility model is achieved through the following technical solutions: a piezoelectric testing device, comprising a pressing plate mechanism and a lower jig plate mechanism, the pressing plate mechanism controls an upper jig plate to move downward, and is connected with the lower jig to move downward. Plate mechanism press fit.

As an improvement of the piezoelectric testing device of the present invention, the pressing plate mechanism includes a bracket, and a plurality of guide sleeves are arranged on the bracket, and a guide rod is passed through each of the guide sleeves. The upper end of the rod is connected to a servo motor mounting frame, and the lower ends of a plurality of the guide rods are connected to a lifting plate. The two ends of the lifting plate are respectively provided with clamping blocks, and U are provided on the clamping blocks. The two ends of the upper jig plate are embedded in the U-shaped clamping groove, and are locked and fixed with screws. The upper jig plate can be removed from the clamping block for replacement.

As an improvement of the piezoelectric testing device of the present invention, the servo motor mounting frame is provided with a servo motor, the output shaft of the servo motor is connected with a coupling, and the coupling is connected with a transmission screw, The lower end of the transmission screw rod passes out from the upper end of the bracket and is connected to the lifting plate, and the transmission screw rod is connected to the bracket through a screw rod nut.

As an improvement of the piezoelectric testing device of the present invention, the lower jig plate mechanism includes a mounting plate, and the installation plate is provided with a lower jig plate drive and a linear guide rail, and the lower jig plate is driven to drive the lower jig plate. The tool plate moves along the linear guide rail, the mounting plate is also provided with a front limit sensor and a rear limit sensor, and the lower fixture plate is between the front limit sensor and the rear limit sensor When the lower jig plate touches the front limit sensor or the rear limit sensor, the lower jig plate drives and drives the lower jig plate to move in the opposite direction.

As an improvement of the piezoelectric testing device of the present invention, the lower jig plate includes a base plate and an elastic pressure plate, the base plate and the elastic pressure plate are connected by a plurality of connecting guide posts, and the connecting guide posts are provided with A spring, the elastic pressing plate can move on the connecting guide post, and the pressing plate mechanism controls when the upper jig plate is pressed down on the elastic pressing plate, the elastic pressing plate sinks and realizes electrical conduction .

As an improvement of the piezoelectric testing device of the present invention, the bottom plate is provided with an electrical contact seat, the elastic pressing plate is provided with electrical contact terminals, and when the elastic pressing plate sinks, the electrical contact terminals and the The electrical contact seat is electrically conductive.

The beneficial effect of the utility model is that: the utility model adopts the method of pressing test, and the design is arranged on the household appliance test line, which can cooperate with the manipulator to complete the fully automated power-on test, and the lower jig plate has the function of pressing and rebounding, which can After a product is tested at a time, it is carried out by the manipulator, and the elastic pressure plate can automatically rebound and reset to realize the function of continuous testing. The utility model can be arranged side by side on the test assembly line to improve the test efficiency.

Description of drawings

1 is a perspective view of a plurality of the present utility model arranged side by side;

Fig. 2 is the structure schematic diagram of the pressing plate mechanism of the present invention;

Fig. 3 is the structural schematic diagram of the lower jig plate of the present invention;

Reference numerals are: 1. Pressing plate mechanism 2, lower jig plate mechanism 3, upper jig plate 11, bracket 12, guide sleeve 13, guide rod 14, servo motor mounting frame 15, lifting plate 16, clamping block 17, U-shaped clamping groove 18, screw 19, servo motor 10, drive screw 101, screw nut 21, mounting plate 22, linear guide 23, lower fixture plate 24, front limit sensor 25, rear limit sensor 231, bottom plate 232, elastic pressing plate 233, connecting guide post 234, spring 235, electrical contact seat.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, rear...) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

As shown in Figures 1-3, a piezoelectric testing device includes a pressing plate mechanism 1 and a lower jig plate mechanism 2. The pressing plate mechanism 1 controls an upper jig plate 3 to move downward, and communicates with the lower jig plate mechanism 2. Press and fit to achieve power-on test. The platen mechanism 1 includes a bracket 11, and a plurality of guide sleeves 12 are arranged on the bracket 11. Each guide sleeve 12 is provided with a guide rod 13. The upper ends of the plurality of guide rods 13 are connected to a servo motor mounting frame 14. The lower ends of the guide rods 13 are connected to a lifting plate 15. The two ends of the lifting plate 15 are respectively provided with clamping blocks 16. The clamping blocks 16 are provided with U-shaped clamping grooves 17. It is embedded in the U-shaped clamping groove 17 and fastened with screws 18. The upper jig plate 3 can be removed from the clamping block 16 for replacement.

Preferably, a servo motor 19 is provided on the servo motor mounting frame 14 , a coupling is connected to the output shaft of the servo motor 19 , and the coupling is connected to a driving screw 10 , and the lower end of the driving screw 10 passes through the upper end of the bracket 11 . , and connected to the lifting plate 15 , the transmission screw 10 is connected to the bracket 11 through the screw nut 101 . When the servo motor 19 is activated, the lift plate 15 can be driven to move up and down.

Preferably, the lower jig plate mechanism 2 includes a mounting plate 21. The lower jig plate drive and the linear guide rail 22 are arranged on the installation plate 21. The lower jig plate drive drives the lower jig plate 23 to move along the linear guide rail 22. The installation plate 21 is also provided with a front limit sensor 24 and a rear limit sensor 25, the lower jig plate 23 moves between the front limit sensor 24 and the rear limit sensor 25, and the lower jig plate 23 touches When the front limit sensor 24 or the rear limit sensor 25 is used, the lower jig plate is driven to drive the lower jig plate 23 to move in the opposite direction. The drive of the lower jig plate can be driven by a motor-driven screw drive to drive the lower jig plate to move, or it can be driven by a cylinder to push the lower jig plate to move.

Preferably, the lower jig plate 23 includes a bottom plate 231 and an elastic pressing plate 232. The bottom plate 231 and the elastic pressing plate 232 are connected by a plurality of connecting guide posts 233. The connecting guide posts 233 are provided with springs 234, and the elastic pressing plate 232 can be connected to the connecting guide posts. 233 moves up, the pressing plate mechanism 1 controls the upper jig plate 3 to press down on the elastic pressing plate 232, the elastic pressing plate 232 sinks and realizes electrical conduction.

Preferably, the bottom plate 231 is provided with an electrical contact seat 235, and the elastic pressing plate 232 is provided with an electrical contact terminal. When the elastic pressing plate 232 sinks, the electrical contact terminal and the electrical contact seat 235 are electrically connected.

The utility model adopts the method of pressing test, and the design is arranged on the test assembly line of home appliances, which can cooperate with the manipulator to complete the fully automatic power-on test. The lower jig plate has the function of pressing and rebounding. When the manipulator is transported out, the elastic pressure plate can automatically rebound and reset to realize the function of continuous testing. The utility model can be arranged side by side on the test assembly line to improve the test efficiency.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and structures of the present invention , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A piezoelectric testing device is characterized by comprising a pressing plate mechanism and a lower jig plate mechanism, wherein the pressing plate mechanism controls an upper jig plate to move downwards and is in press fit with the lower jig plate mechanism;

lower tool board mechanism includes the mounting panel, be equipped with down tool board drive and linear guide on the mounting panel, tool board removes along linear guide under tool board drive drives down, spacing inductor and back spacing inductor before still being equipped with on the mounting panel, lower tool board is in remove between preceding spacing inductor and the back spacing inductor, lower tool board touches preceding spacing inductor or during the spacing inductor of back, tool board drive drives down tool board removes to opposite direction.

2. The piezoelectric testing device according to claim 1, wherein the pressing plate mechanism includes a bracket, the bracket is provided with a plurality of guide sleeves, each guide sleeve is provided with a guide rod, the upper ends of the plurality of guide rods are connected to a mounting rack of the servo motor, the lower ends of the plurality of guide rods are connected to a lifting plate, two ends of the lifting plate are respectively provided with a clamping block, the clamping block is provided with a U-shaped clamping groove, and two ends of the upper jig plate are embedded into the U-shaped clamping groove and are locked and fixed by screws.

3. The piezoelectric testing device according to claim 2, wherein a servo motor is arranged on the servo motor mounting frame, an output shaft of the servo motor is connected with a coupling, the coupling is connected with a transmission lead screw, the lower end of the transmission lead screw penetrates out of the upper end of the support and is connected to the lifting plate, and the transmission lead screw is connected with the support through a lead screw nut.

4. The piezoelectric testing device according to claim 1, wherein the lower fixture plate includes a bottom plate and an elastic pressing plate, the bottom plate and the elastic pressing plate are connected by a plurality of connecting guide posts, springs are inserted into the connecting guide posts, the elastic pressing plate can move on the connecting guide posts, and the pressing plate mechanism controls the elastic pressing plate to sink and realize electrical conduction when the upper fixture plate presses down on the elastic pressing plate.

5. The piezoelectric testing device according to claim 4, wherein the base plate has an electrical contact socket, the elastic pressing plate has an electrical contact terminal, and the electrical contact terminal is electrically connected to the electrical contact socket when the elastic pressing plate is lowered.

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