WO2020253017A1

WO2020253017A1 - Mechanical property testing device for electronic product housing

Info

Publication number: WO2020253017A1
Application number: PCT/CN2019/113520
Authority: WO
Inventors: 孔书艳
Original assignee: 南京唐壹信息科技有限公司
Priority date: 2019-06-21
Filing date: 2019-10-28
Publication date: 2020-12-24
Also published as: CN112113867A

Abstract

A mechanical property testing device for an electronic product housing. The mechanical property testing device comprises a testing box (1). A lifting motor (9) is fixedly mounted on the inner wall of the middle portion of the upper end of the testing box (1) by means of bolt connection; a third driven gear (13) is rotatably placed below a fixed plate (12), and the upper portion of the third driven gear is rotatably connected to a second driven gear (5) by means of gear engagement; rubber balls are fixedly mounted on the lower ends of testing heads (19) by means of adhesive adhesion, and clamping plates (21) are provided below the rubber balls; the number of the clamping plates (21) is two, rubber pads are fixedly mounted in the inner sides of the clamping plates by means of the adhesive adhesion, and the clamping plates are symmetrically distributed at the left and right sides of the lower end of the inner portion of the testing box (1); a clamping rod (23) is fixed at the middle portion of the right end of the clamping plate (21) in a welding manner; the left end of a compression spring (22) is fixed on the clamping plate (21) in a welding manner, and the right end of the compression spring (22) is fixed on a sliding block (27) in a welding manner. The testing device is simple in structure and convenient in operation, and can effectively and quickly complete a testing operation on an electronic product.

Description

Device for detecting mechanical properties of electronic product shell

Technical field

The invention relates to electronic equipment, in particular to a device for detecting mechanical properties of an electronic product shell.

Background technique

The case usually refers to the case used in various electronic products. According to the purpose, it can be divided into: computer case, TV case, mobile phone case, instrument case, motor case, micro motor case, etc. According to the material, it can be divided into plastic casing, alloy casing, composite material casing and so on.

With the development of today’s society, the development of Internet technology has accelerated, and electronic products have become an indispensable part of people’s lives, especially mobile phones, which have exquisite shells, but due to the long use of mobile phones, mobile phone shells are easy to produce Scratches, scratches will affect the use of the phone, and too many scratches on the phone shell will wear off the protective coating of the shell. While the traditional scratch detection machine guarantees low cost, the detection process is complicated and the scratch resistance hardness value of the test object cannot be quickly detected.

Summary of the invention

The purpose of the present invention is to provide a device for detecting mechanical properties of an electronic product housing to solve the above-mentioned problems in the background art.

In order to achieve the above objectives, the present invention provides the following technical solutions:

A device for detecting mechanical properties of an electronic product shell, comprising a detection box; a lifting motor is fixedly installed on the inner wall of the upper middle part of the detection box through a bolt connection; a rotating shaft is fixedly installed at the lower end of the lifting motor; the lower end of the rotating shaft A driving gear is fixedly sleeved; a first driven gear is connected to the lower part of the driving gear through gear engagement and rotation; there are two first driven gears, which are symmetrically distributed on the left and right sides of the driving gear, which are fixed Is sleeved on the inner side of the connecting rod; the outer side of the connecting rod is fixedly sleeved with a third driven gear; the third driven gear is rotatably placed under the fixed plate, and its upper part is connected to the second driven gear through gear engagement and rotation Moving gear; the second driven gear is fixedly sleeved on the upper part of the threaded rod; the middle part of the threaded rod is sleeved with a threaded slider through gear engagement and rotation; the inside of the threaded slider is welded and fixed with a lifting plate; The lower end of the lifting plate is welded and fixed with a detection plate; the lower end of the detection plate is provided with installation grooves; the installation grooves are provided with three, and detection rods are arranged inside; the lower part of the detection rod is sleeved with a buffer spring; The upper end of the buffer spring is welded and fixed on the limit collar, and the lower end is welded and fixed on the detection head; the lower end of the detection head is fixedly installed with a rubber ball by glue bonding, and a clamping plate is provided under it; There are two clamping plates, the inner side of which is fixedly installed with rubber pads through glue bonding, and they are symmetrically distributed on the left and right sides of the inner lower end of the detection box, and the middle of the right end is welded and fixed with a clamping rod; the clamp A compression spring is sleeved on the holding rod; the left end of the compression spring is welded and fixed on the clamping plate, and the right end of the compression spring is welded and fixed on the sliding block; the sliding block is rotatably installed with a rotating rod through bolt connection; the rotating rod The middle part is connected to each other by a bolt connection, and the right end is fixedly installed on the rotating motor; the rotating motor is fixedly installed on the inner wall of the lower end of the detection box by bolt connection; below the front wall of the detection box An operation box door is opened.

As a further solution of the present invention, the rotating shaft penetrates the connecting fixing plate downward, and a connecting bearing is arranged at the connection; the connecting bearing is embedded and installed in the inner wall of the fixing plate.

As a further solution of the present invention, the middle part of the connecting rod is rotatably sleeved inside the limit block; the upper end of the limit block is welded and fixed on the fixed plate.

As a further solution of the present invention: the upper end of the threaded rod is rotatably installed in the inner walls of the left and right sides of the fixed plate through connecting bearings, and the lower end is rotatably installed in the inner wall of the support plate through connecting bearings; the outer side of the support plate is fixed by welding On the inner walls of the left and right sides of the detection box.

As a further solution of the present invention, the upper part of the detection rod is fixedly sleeved with a limit collar; the upper end of the limit collar is welded and fixed to the lower end of the installation groove.

As a further solution of the present invention: the sliding block is in an inverted T shape and is slidably placed inside the sliding groove; the sliding groove is inlaid and installed in the upper inner wall of the limit block; the lower end of the limit block is welded and fixed On the inner wall of the lower end of the detection box.

Compared with the prior art, the beneficial effects of the present invention are:

In the present invention, a buffer spring is installed on the detection device, which has a good buffering and shock absorption function, and can play a buffering role when the detection device performs detection work, thereby preventing it from damaging electronic products; and the installed compression spring can It plays the role of shock absorption and buffering when clamping and fixing electronic products to prevent them from clamping and damaging electronic products; the installed clamping plate moves to the inside of the detection box under the drive of the rotating motor, and then fixes the electronic products inside the detection box , And then it is convenient for it to carry out the next detection work; and the installed lifting device can move up and down under the drive of the lifting motor, and then drive the detection device to move up and down; and the device has a simple structure, convenient operation, and can efficiently and quickly complete electronic products. The detection work is worth promoting.

Description of the drawings

Fig. 1 is a schematic diagram of a structure of an electronic product housing mechanical performance testing device.

Fig. 2 is a schematic structural diagram of a clamping device in a mechanical property testing device for an electronic product housing.

Fig. 3 is a schematic structural diagram of an external view of an electronic product housing mechanical property detection device.

In the picture: 1-detection box, 2-support plate, 3-threaded slider, 4-threaded rod, 5-second driven gear, 6-connecting bearing, 7-limit block, 8-first driven gear , 9-lifting motor, 10-rotating shaft, 11-driving gear, 12-fixed plate, 13-third driven gear, 14-lifting plate, 15-detection plate, 16-mounting groove, 17-limiting collar , 18-buffer spring, 19-detection head, 20-detection lever, 21-clamping plate, 22-compression spring, 23-clamping lever, 24-rotating lever, 25-rotating motor, 26-sliding groove, 27- Sliding block, 28-limiting block, 29-operation box door, 30-connecting rod.

Detailed ways

The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.

Please refer to Figures 1-3, an electronic product housing mechanical performance testing device, including a testing box 1; a lifting motor 9 is fixedly installed on the inner wall of the upper middle of the testing box 1 through bolt connection; the lower end of the lifting motor 9 is fixed A rotating shaft 10 is installed, which is the power source for the entire lifting component; the rotating shaft 10 penetrates the connecting fixing plate 12 downwards, and a connecting bearing 6 is provided at the connection; the connecting bearing 6 is inlaid and installed on the inner wall of the fixing plate 12 The lower end of the rotating shaft 10 is fixedly sleeved with a driving gear 11; the lower part of the driving gear 11 is connected to a first driven gear 8 through gear engagement rotation; the first driven gear 8 is provided with two, symmetrical Distributed on the left and right sides of the driving gear 11, it is fixedly sleeved inside the connecting rod 30; the middle part of the connecting rod 30 is rotatably sleeved inside the limit block 7; the upper end of the limit block 7 is welded and fixed to On the fixed plate 12; the outer side of the connecting rod 30 is fixedly sleeved with a third driven gear 13; the third driven gear 13 is rotatably placed under the fixed plate 12, and the upper part is connected to the second driven gear through gear engagement and rotation Gear 5; The second driven gear 5 is fixedly sleeved on the upper part of the threaded rod 4, which transfers the kinetic energy of the lifting motor 9 to the designated lifting component; the upper end of the threaded rod 4 is rotatably mounted on the connecting bearing 6 In the inner walls of the left and right sides of the fixed plate 12, the lower ends of which are rotatably installed in the inner wall of the support plate 2 through the connecting bearing 6; the outer sides of the support plate 2 are welded and fixed on the inner walls of the left and right sides of the detection box 1; A threaded slider 3 is sleeved in the middle through gear engagement and rotation; the inside of the threaded slider 3 is welded and fixed with a lifting plate 14; the middle of the lower end of the lifting plate 14 is welded and fixed with a detection plate 15; the lower end of the detection plate 15 There are three installation grooves 16; the installation grooves 16 are provided with three detection rods 20 inside; the upper part of the detection rod 20 is fixedly sleeved with the limit collar 17; the upper end of the limit collar 17 is welded and fixed At the lower end of the mounting groove 16; the lower end of the detection rod 20 is sleeved with a buffer spring 18; the upper end of the buffer spring 18 is welded and fixed on the limit collar 17, and its lower end is welded and fixed on the detection head 19, which has a good The function of buffering and shock absorption can play a buffering role when the detection device performs detection work, thereby preventing it from damaging electronic products; the lower end of the detection head 19 is fixedly installed with a rubber ball through glue bonding, and a rubber ball is installed under it. Clamping plate 21; the clamping plate 21 is provided with two, the inner side of which is fixedly installed with rubber pads by glue bonding, and is symmetrically distributed on the left and right sides of the inner lower end of the detection box 1, and the middle of the right end is welded and fixed The clamping rod 23; the clamping rod 23 is sleeved with a compression spring 22; the left end of the compression spring 22 is welded and fixed to the clamping plate 21, and its right end is welded and fixed to the sliding block 27, which can be clamped When the electronic product is fixed, it plays a role of shock absorption and buffering to prevent it from pinching the electronic product; the sliding block 27 is in the shape of an inverted T, and it is slidably placed inside the sliding groove 26; the sliding groove 26 is inlaid and installed in the limit block 28 on In the inner wall of the end; the lower end of the limit block 28 is welded and fixed on the inner wall of the lower end of the detection box 1; the sliding block 27 is rotatably installed with a rotating rod 24 through bolt connection; the rotating rod 24 is provided with two rods, which pass through The bolts are connected in rotation, and the right end is fixedly installed on the rotating motor 25; the rotating motor 25 is fixedly installed on the inner wall of the lower end rear side of the detection box 1 by bolt connection, which is the power source of the entire clamping device; An operation box door 29 is opened below the front wall of the box 1.

The working principle of the present invention is: when the device is used, the electronic product to be detected is placed from the operation box door 29 into the clamping plate 21, and the rotation motor 25 is started to rotate on the rotating rod 24, so that the sliding block 27 is in the sliding groove 26. The inside of the detection box 1 moves to the inside of the detection box 1, and then the electronic product is fixed in the middle of the inner lower end of the detection box 1. At this time, the lifting motor 9 is started, and the threaded slider 3 moves up and down at the upper end under the drive of the threaded rod 4, thereby driving The lifting plate 14 moves downwards, so that the detection head 19 moves the upper end of the electronic product downward, so that it gently presses on the electronic product, thereby detecting the mechanical properties of the electronic product housing, and completing the inspection work of the entire device.

The preferred embodiments of this patent are described in detail above, but this patent is not limited to the above embodiments. It can also be made without departing from the purpose of this patent within the scope of knowledge possessed by those of ordinary skill in the art. Various changes.

Claims

A testing device for the mechanical properties of an electronic product housing, comprising a testing box (1); characterized in that a lifting motor (9) is fixedly installed on the inner wall of the upper middle part of the testing box (1) through a bolt connection; the lifting motor ( The lower end of 9) is fixedly mounted with a rotating shaft (10); the lower end of the rotating shaft (10) is fixedly sleeved with a driving gear (11); the lower part of the driving gear (11) is connected with a first slave through gear engagement and rotation Moving gear (8); the first driven gear (8) is provided with two, symmetrically distributed on the left and right sides of the driving gear (11), which are fixedly sleeved inside the connecting rod (30); the The outer side of the connecting rod (30) is fixedly sleeved with a third driven gear (13); the third driven gear (13) is rotatably placed under the fixed plate (12), and the upper part of the third driven gear (13) is rotationally connected with the third driven gear through gear engagement. Two driven gears (5); the second driven gear (5) is fixedly sleeved on the upper part of the threaded rod (4); the middle part of the threaded rod (4) is rotated and sleeved with a threaded slider ( 3); The inside of the threaded slider (3) is welded and fixed with a lifting plate (14); the middle of the lower end of the lifting plate (14) is welded and fixed with a detection plate (15); the lower end of the detection plate (15) There are three installation grooves (16); three installation grooves (16) are provided with detection rods (20) inside; a buffer spring (18) is sleeved on the lower part of the detection rod (20); the buffer The upper end of the spring (18) is welded and fixed on the limit collar (17), and the lower end is welded and fixed on the detection head (19); the lower end of the detection head (19) is fixedly installed with a rubber ball through glue bonding, and A clamping plate (21) is arranged below it; the clamping plate (21) is provided with two, the inner side of which is fixedly installed with a rubber pad by glue bonding, and its inner side is symmetrically distributed inside the detection box (1) On the left and right sides of the lower end, the middle of the right end is welded and fixed with a clamping rod (23); the clamping rod (23) is sleeved with a compression spring (22); the left end of the compression spring (22) is welded and fixed to the clamp The right end of the plate (21) is welded and fixed on the sliding block (27); the sliding block (27) is rotatably installed with a rotating rod (24) through bolt connection; the rotating rod (24) is provided with two, The middle parts are rotatably connected together by bolt connection, and the right end is fixedly installed on the rotating motor (25); the rotating motor (25) is fixedly installed on the inner wall of the lower end of the detection box (1) by bolt connection; the detection box (1) An operation box door (29) is opened under the front wall.
An electronic product housing mechanical performance testing device according to claim 1, characterized in that the rotating shaft (10) penetrates the connecting fixing plate (12) downwards, and a connecting bearing (6) is provided at the connection; The connecting bearing (6) is embedded and installed in the inner wall of the fixing plate (12).
A device for detecting mechanical properties of an electronic product housing according to claim 1, wherein the middle part of the connecting rod (30) is rotatably sleeved inside the limit block (7); the limit block (7) The upper end of) is welded and fixed on the fixing plate (12).
A device for detecting mechanical properties of an electronic product housing according to claim 1, wherein the upper end of the threaded rod (4) is rotatably installed in the inner walls of the left and right sides of the fixed plate (12) through a connecting bearing (6) The lower end is rotatably installed in the inner wall of the support plate (2) through a connecting bearing (6); the outer side of the support plate (2) is welded and fixed on the inner walls of the left and right sides of the detection box (1).
A device for detecting mechanical properties of an electronic product enclosure according to claim 1, wherein the upper part of the detection rod (20) is fixedly sleeved with a limit collar (17); the limit collar (17) The upper end of the bracket is welded and fixed to the lower end of the installation groove (16).
The device for detecting mechanical properties of an electronic product casing according to claim 1, wherein the sliding block (27) is in an inverted T shape, and is slidably placed inside the sliding groove (26); the sliding groove ( 26) Inlaid and installed in the upper inner wall of the limit block (28); the lower end of the limit block (28) is welded and fixed on the lower inner wall of the detection box (1).