CN210426979U

CN210426979U - Aging testing mechanism for microswitch

Info

Publication number: CN210426979U
Application number: CN201921409879.XU
Authority: CN
Inventors: 李仕兵; 林庆和; 彭少勇
Original assignee: Xiamen Xinghechuang Automation Technology Co ltd
Current assignee: Xiamen Xinghechuang Automation Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-04-28
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses an aging testing mechanism for micro-gap switch, which relates to the technical field of switch testing, comprising a mounting seat, a servo motor, a reset mechanism, a push plate and a product fixing frame, wherein the servo motor is fixedly arranged on one side of the top of the mounting seat, a rotating cam is arranged on an output shaft of the servo motor through a reducer, the reset mechanism is fixedly arranged on the top of the mounting seat, the push plate is fixedly arranged on the top of the reset mechanism, a strike block is welded on one side of the push plate, the product fixing frame is fixedly arranged on the top of the mounting seat and is positioned on one side of the strike block, a power plug is arranged on one side of the mounting seat through a power cord, a switch is arranged on the outer wall of the mounting seat, and the switch is electrically connected with the servo motor, the practicability is stronger.

Description

Aging testing mechanism for microswitch

Technical Field

The utility model relates to a switch test technical field, in particular to aging accredited testing organization about micro-gap switch.

Background

The microswitch is a switch which can be controlled by using very small force, and has the basic working principle that external mechanical force acts on an action reed through a transmission element, when the action reed is displaced to a critical point, instantaneous action is generated, so that a movable contact and a fixed contact at the tail end of the action reed are quickly connected or disconnected, and the microswitch has the functions of automatic control and safety protection in equipment needing frequent circuit switching;

however, the structure of the conventional aging testing mechanism is simpler, and the defects still exist and need to be improved:

on one hand, the existing aging testing mechanism has a long testing period, and generally, a simple eccentric wheel drives a push plate to move back and forth, so that the microswitch is tested, but one circle of the eccentric wheel is a period when the eccentric wheel rotates, the testing period is long, and the working efficiency is influenced to a certain degree;

on the other hand, due to the structural limitation of the existing aging test mechanism, products need to be placed at the front end of the movement direction, and only one product can be tested by one reciprocating push plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sophisticated accredited testing organization about micro-gap switch to the test cycle who proposes is longer in solving above-mentioned background art, and disposable test quantity is less, influences work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ageing accredited testing organization about micro-gap switch, includes mount pad, servo motor, canceling release mechanical system, push pedal and product mount, servo motor is fixed to be set up mount pad top one side, install through the reduction gear on servo motor's the output shaft and rotate the cam, canceling release mechanical system is fixed to be set up the mount pad top, the push pedal is fixed to be set up the canceling release mechanical system top, the welding of push pedal one side has the impact block, the product mount is fixed to be set up the mount pad top, just the product mount is located impact block one side, mount pad one side is provided with power plug through the power cord, be provided with the switch on the outer wall of mount pad, the switch with servo motor electric connection.

Preferably, the resetting mechanism comprises a fixed plate, a telescopic rod and a linear bearing, the telescopic rod is fixedly arranged on the fixed plate through a spring, and the linear bearing is sleeved on the telescopic rod.

Preferably, the number of the reset mechanisms is two, and the number of the linear bearings in a single reset mechanism is two.

Preferably, threaded holes are formed in the push plate and the linear bearing, fixing bolts are installed in the threaded holes, and the push plate is installed on the linear bearing through the matching of the threaded holes and the fixing bolts.

Preferably, the push plate is provided with a square groove.

Preferably, the rotating cam is an elliptical cam.

Preferably, the servo motor is a three-phase asynchronous motor.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a rotating cam is oval cam, compares with ordinary cam, can effectively improve the activity cycle of push rod, so is 2 times of ordinary cam on the ageing test number of times to compare with most common eccentric wheel, move more steadily, reduced the damage to the product.

2. The utility model discloses place the product in push pedal direction of motion's side, compare with the front end of placing in direction of motion, very big increase testable product quantity.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a top view of the middle push plate and the connecting portion thereof according to the present invention.

Fig. 4 is a structural diagram of the resetting mechanism of the present invention.

In the figure: 1. a mounting seat; 2. a servo motor; 3. rotating the cam; 4. a reset mechanism; 5. pushing the plate; 6. a product fixing frame; 7. a speed reducer; 8. an impact block; 9. fixing the bolt; 10. a threaded hole; 11. a square groove; 12. a spring; 13. a linear bearing; 14. a telescopic rod; 15. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an aging testing mechanism related to a microswitch, as shown in figures 1-4, which comprises a mounting seat 1, a servo motor 2, a resetting mechanism 4, a push plate 5 and a product fixing frame 6;

referring to fig. 1 to 3, a servo motor 2 is fixedly arranged on one side of the top of a mounting seat 1, a rotating cam 3 is mounted on an output shaft of the servo motor 2 through a reducer 7, a reset mechanism 4 is fixedly arranged on the top of the mounting seat 1, a push plate 5 is fixedly arranged on the top of the reset mechanism 4, a square groove 11 is formed in the push plate 5, an impact block 8 is welded on one side of the push plate 5, a product fixing frame 6 is fixedly arranged on the top of the mounting seat 1, the product fixing frame 6 is positioned on one side of the impact block 8, a power plug is arranged on one side of the mounting seat 1 through a power cord, a switch is arranged on the outer wall of the mounting seat 1 and electrically connected with the servo motor 2, the servo motor 2 is a three-phase asynchronous motor, the rotating cam 3 is an elliptical cam, in the utility model, the conventional cam 3 is changed into the elliptical, the push rod moves for 1 period, the elliptic cam rotates for a circle, and the push rod rotates for 2 periods, so the push rod is 2 times of that of the common cam in aging times, and compared with the most common eccentric wheel, the push rod device moves more stably, reduces the damage to products, has stronger practicability and improves the working efficiency to a certain extent.

As shown in fig. 4, the reset mechanism 4 is composed of a fixing plate 15, an expansion link 14 and linear bearings 13, the expansion link 14 is fixedly arranged on the fixing plate 15 through a spring 12, the linear bearings 13 are sleeved on the expansion link 14, the number of the reset mechanism 4 is two, the number of the linear bearings 13 in a single reset mechanism 4 is two, threaded holes 10 are formed in the push plate 5 and the linear bearings 13, fixing bolts 9 are installed in the threaded holes 10, the push plate 5 is installed on the linear bearings 13 through the cooperation of the threaded holes 10 and the fixing bolts 9, the basic working principle of the reset mechanism 4 is that the linear bearings 13 are fixedly connected with the push plate 5, and the reciprocating motion of the push plate 5 can be carried out through the cooperation of the spring 12 and the rotating cam 3.

This practical theory of operation: when the utility model is used, firstly, a power plug is connected with an external power supply to provide electric energy for each electric appliance of the utility model, the servo motor 2 can be started through a switch, the servo motor 2 can drive the rotating cam 3 to rotate through the reducer 7 when being started, the push plate 5 moves the compression spring 12 leftwards under the action of the rotating cam 3, the impact block 8 moves leftwards along with the impact block, the roller of the product is extruded under the action of the impact block 8 to be compressed, after the rotating cam 3 passes through the long shaft, the push plate 5 moves rightwards under the action of the spring 12, the impact block 8 moves rightwards, the roller of the product is far away from the inclined plane, the roller stretches out, the product roller is extruded for many times, the aging test of the product can be realized, in the actual test, the motor moves 1800r/min to operate, after the reducer 7 with the reduction ratio of 10, the rotating cam 3 rotates 3 circles per, and the number of times of extrusion on the product is 6; under the condition of the same rotating speed and the same reduction ratio, the common cam can only realize that the extrusion times are 3, so the number of times is 2 times that of the common cam in aging test times, and compared with the most common eccentric wheel, the cam has the advantages of more stable motion, reduced damage to products, effectively improved working efficiency and stronger practicability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an ageing accredited testing organization about micro-gap switch, includes mount pad (1), servo motor (2), canceling release mechanical system (4), push pedal (5) and product mount (6), its characterized in that: servo motor (2) are fixed to be set up mount pad (1) top one side, install through reduction gear (7) on the output shaft of servo motor (2) and rotate cam (3), canceling release mechanical system (4) are fixed to be set up mount pad (1) top, push pedal (5) are fixed to be set up canceling release mechanical system (4) top, push pedal (5) one side welding has impact block (8), product mount (6) are fixed to be set up mount pad (1) top, just product mount (6) are located impact block (8) one side, mount pad (1) one side is provided with power plug through the power cord, be provided with the switch on the outer wall of mount pad (1), the switch with servo motor (2) electric connection.

2. A mechanism for aging testing of micro-switches as set forth in claim 1, wherein: reset mechanism (4) comprise fixed plate (15), telescopic link (14) and linear bearing (13), telescopic link (14) are fixed to be set up through spring (12) on fixed plate (15), linear bearing (13) cover is established on telescopic link (14).

3. A mechanism for aging testing of micro-switches as set forth in claim 2, wherein: the number of the reset mechanisms (4) is two, and the number of the linear bearings (13) in a single reset mechanism (4) is two.

4. A mechanism for aging testing of micro-switches as set forth in claim 2, wherein: the push plate (5) and all set up threaded hole (10) on linear bearing (13), install fixing bolt (9) in screw hole (10), push plate (5) pass through screw hole (10) with the cooperation of fixing bolt (9) is installed on linear bearing (13).

5. A mechanism for aging testing of micro-switches as set forth in claim 1, wherein: the push plate (5) is provided with a square groove (11).

6. A mechanism for aging testing of micro-switches as set forth in claim 1, wherein: the rotating cam (3) is an elliptical cam.

7. A mechanism for aging testing of micro-switches as set forth in claim 1, wherein: the servo motor (2) is a three-phase asynchronous motor.