TW201518725A - Pressure testing device - Google Patents

Abstract

The present invention provides a pressure testing device for products, the pressure testing device includes a testing assembly, a moving assembly, and a positioning assembly. The testing assembly includes a pressure head butting the products, the products and the testing assembly are mounted on the positioning assembly. The moving assembly includes a motor, a first synchronous belt wheel, a second synchronous belt wheel, a synchronous belt and a linear assembly, the motor drives the first synchronous belt wheel to rotate, the first synchronous belt wheel is connected with the second synchronous belt wheel through the synchronous belt, thus the first synchronous belt wheel drives the second synchronous belt wheel, then the second synchronous belt wheel drives the linear assembly. The pressure testing machine of the invention can effectively improve the efficiency and the accuracy of the pressure test.

Description

Pressure tester

The invention relates to a pressure testing machine, in particular to a pressure testing machine capable of testing a plurality of products to be tested simultaneously.

In the production process of electronic products, in order to ensure the performance of the products, various tests, such as pressure testing, are required. In the prior art, the testing performance of the pressure testing machine is low and the accuracy is not high.

In view of this, it is necessary to provide a highly accurate pressure testing machine.

A pressure testing machine for stress testing a product to be tested, the pressure testing machine comprising a testing component, a moving component and a positioning component; the testing component comprising a pressure head for resisting a product to be tested, the product to be tested being installed in the The positioning component is mounted on the positioning component; the moving component comprises a motor, a first timing pulley, a second timing pulley, a timing belt and a linear module, and the motor drives the first timing pulley to rotate, The first timing pulley is connected to the second timing pulley by the timing belt, so that the first timing pulley drives the second timing pulley to rotate, and the second timing pulley drives the linear module to move; the linear module drives the The test assembly is placed close to and away from the product to be tested to adjust the displacement of the indenter in the direction in which the product is to be tested, thereby adjusting the pressure of the product to be tested.

The test component of the pressure testing machine of the invention is fixedly mounted on a linear module, and the linear module accurately controls the pressing force of the test component to be tested, thereby ensuring the accuracy of the test, and the pressure testing machine of the invention improves the stress test. accuracy.

100‧‧‧pressure testing machine

200‧‧‧ products to be tested

300‧‧‧data line

10‧‧‧Base

11‧‧‧Electric control box

12‧‧‧Operation Department

13‧‧‧Display Department

14‧‧‧ bracket

20‧‧‧Mobile components

21‧‧‧Motor

22‧‧‧First Synchronous Pulley

23‧‧‧Second timing pulley

24‧‧‧Synchronous belt

25‧‧‧Rotary encoder

26‧‧‧Couplings

27‧‧‧ Linear Module

271‧‧‧Linear guide

272‧‧‧Connected shaft

273‧‧‧ Slider

28‧‧‧Substrate

30‧‧‧Test components

31‧‧‧ Pressure Sensor

32‧‧‧Indenter

40‧‧‧ Positioning components

41‧‧‧Fixed parts

411‧‧‧rails

42‧‧‧Limited box

420‧‧ ‧ partition

421‧‧‧Assembled holes

43‧‧‧Kart board

431‧‧‧Locking screws

423‧‧‧First limit slot

425‧‧‧Second limit slot

1 is a schematic view showing the assembly of a pressure testing machine according to a preferred embodiment of the present invention.

2 is a schematic view showing the assembly of the moving component and the test component of the pressure testing machine shown in FIG. 1.

3 is an exploded perspective view of the moving component and the test component of the pressure testing machine shown in FIG. 2.

4 is an exploded perspective view of the positioning assembly of the pressure testing machine shown in FIG. 1.

FIG. 5 is an assembled view of the moving component, the test component, and the positioning component of the pressure testing machine shown in FIG. 1. FIG.

Referring to FIG. 1, a pressure testing machine 100 in accordance with a preferred embodiment of the present invention includes a base 10, a moving assembly 20, a test assembly 30, and a positioning assembly 40. The positioning component 40 fixes the product to be tested 200, and the moving component 20 drives the testing component 30 to approach and away from the product to be tested 200. The pressure testing machine 100 of the present embodiment tests the interface performance of the product 200 to be tested.

The base 10 is housed in an electrical control box 11 to complete all internal electrical and mechanical connections. The operation portion 12 and the display portion 13 are provided on the outer peripheral wall of the base 10. The base 10 is further provided with a bracket 14 for mounting the moving assembly 20. In the present embodiment, the number of the moving assemblies 20 is six, and the spacing is evenly disposed on the bracket 14. The operation unit 12 is configured to control the working state of the pressure testing machine 100, and set the magnitude of the force applied by the testing component 30 to the product to be tested 200, the test time, and the like. The display portion 13 is for displaying the magnitude of the force applied by the test component 30 to the product 200 to be tested, the test time, and the like.

Referring to FIG. 2 and FIG. 3, each moving component 20 includes a motor 21, a first timing pulley 22, a second timing pulley 23, a timing belt 24, a rotary encoder 25, a coupling 26, and a linear module. 27 and substrate 28. The moving component 20 is fixed on the bracket 14 of the base 10 by the base plate 28. In the embodiment, the motor 21 and the linear module 27 are fixedly mounted on the same surface of the substrate 28, and the rotary coding The device 25 is fixedly mounted on the other surface of the substrate 28 with respect to the linear module 27.

The motor 21 drives the first timing pulley 22 to rotate. The first timing pulley 22 is coupled to the second timing pulley 23 by the timing belt 24, so that the first timing pulley 22 drives the second timing pulley 23 to rotate. The rotary encoder 25 is coupled to the second timing pulley 23 by a coupling 26 to rotate the rotary encoder 25 together with the second timing pulley 23, whereby the rotary encoder 25 measures the rotational speed of the motor 21. In the present embodiment, the motor 21 is a servo motor.

The linear module 27 includes a linear guide 271, a connecting shaft 272, and a slider 273. The number of the linear guides 271 is two and arranged in parallel. The connecting shaft 272 is disposed in parallel between the two linear guides 271. The slider 273 is screwed with the connecting shaft 272 such that the rotation of the connecting shaft 272 can move the slider 273 along the linear guide 271. The connecting shaft 272 and the second timing pulley 23 are connected by a coupling 26, and the second timing pulley 23 drives the connecting shaft 272 to rotate, so that the slider 273 slides on the linear guide 271. The slider 273 is loaded with the test assembly 30, and the slider 273 drives the test assembly 30 to move, such that the test assembly 30 is near or away from the product 200 to be tested.

The test assembly 30 includes a pressure sensor 31 and a ram 32. The pressure sensor 31 is configured to detect the force applied by the indenter 32 on the product to be tested 200. In the present embodiment, the force refers to the indenter 32 being connected to the product to be tested 200 perpendicular to the data line 300 (as shown in FIG. 5). Direction of pressure. The pressure sensor 31 is fixedly mounted on the slider 273 of the linear module 27, and the pressure head 32 has a cylindrical shape, and one end is connected to the pressure sensor 31 and the other end is directed to the product to be tested 200.

The test component 30 is mounted on the slider 273 of the linear module 27, and the rotational speed of the motor 21 can be precisely controlled by the rotational speed fed back by the rotary encoder 25, so that the sliding of the linear module 27 can be accurately controlled. The movement of the block 273 enables the test assembly 30 to accurately control the displacement of the ram 32 in the direction of the force applied to the data line 300 by the movement of the slider 273, thereby accurately controlling the pressing force of the product to be tested 200, thereby ensuring the test. accuracy.

Referring to FIG. 4 , the positioning component 40 is fixedly mounted on the base 10 corresponding to the test component 30 for positioning the product to be tested 200 . The positioning assembly 40 includes a fixing member 41, a limiting frame 42 and a fixing plate 43. The fixing member 41 is fixed on the base 10 , and the fixing member 41 is provided with a sliding rail 411 , and the sliding rail 411 extends perpendicularly to the base 10 . The limiting frame 42 is slidably disposed on the sliding rail 411. The limiting frame 42 is substantially H-shaped, and includes a partition 420, a first limiting slot 423 separated by a partition 420, and a second limiting slot 425. A limiting slot 423 is slidably mounted on the sliding rail 411, so that the limiting frame 42 is slidably mounted on the sliding rail 411. The number of the limiting frame 42 is two, and the two limiting frames 42 are slidably mounted on the sliding frame 411. The sliding rail 411, the product to be tested 200 is placed between the two limiting frames 42 , specifically, the product to be tested 200 is sandwiched between the partitions 420 of the two limiting frames 42 , thereby realizing the verticality of the product to be tested 200 . Directional positioning. The two ends of the fixing plate 43 are respectively mounted in the second limiting slots 425 of the two limiting frames 42. At the same time, the partitioning plate 420 is provided with a mounting hole 421. The fixing plate 431 is fixed to the fixing member 41 between the fixing member 41 by the locking screw 431 and the mounting hole 421. The level orientation of the product 200 is measured. In the present embodiment, the mounting holes 421 correspond to the number of the locking screws 431, and each of the limiting frames 42 is provided with two mounting holes 421.

In operation, the product to be tested 200 is mounted and fixed to the positioning assembly 40, and the pressure testing machine 100 is activated. The motor 21 drives the first timing pulley 22 to rotate. The first timing pulley 22 is connected to the second belt by the timing belt 24. The pulley 23 is synchronized so that the first timing pulley 22 drives the second timing pulley 23 to rotate. The rotary encoder 25 and the linear module 27 are connected to the second timing pulley 23 by a coupling 26, and the rotary encoder 25 and the second timing pulley 23 rotate together to measure the rotation speed of the motor 21. The two timing pulleys 23 rotate the connecting shaft 272 of the linear module 27, and the connecting shaft 272 rotates to drive the slider 273 to move along the linear guide 271, so that the test assembly 30 fixed to the slider 273 is close to or away from the test. Product 200. When the pressure test is performed, the test component 30 is close to the product to be tested 200 until the pressure head 32 abuts and applies a set force on the product to be tested 200. When the set test time is over, the test component 30 is away from the product to be tested. 200. In the present embodiment, if the data line 300 does not undergo deformation after the stress test, it is determined that the interface of the product to be tested 200 is qualified, otherwise it is unqualified.

The pressure testing machine 100 of the present invention is provided with a plurality of testing components 30, which can simultaneously test a plurality of products to be tested 200, and the testing component 30 is mounted and fixed on the linear module 27, so that the testing component 30 can be supported by the slider 273. The movement precisely controls the displacement of the indenter 32 in the direction of the force applied to the data line 300, thereby precisely controlling the pressing force of the product 200 to be tested, thereby ensuring the accuracy of the test. The pressure testing machine 100 of the present invention increases the efficiency and accuracy of the stress test.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be covered by the following claims.

no

100‧‧‧pressure testing machine

200‧‧‧ products to be tested

10‧‧‧Base

11‧‧‧Electric control box

12‧‧‧Operation Department

13‧‧‧Display Department

14‧‧‧ bracket

20‧‧‧Mobile components

30‧‧‧Test components

40‧‧‧ Positioning components

Claims (10)

A pressure testing machine for stress testing a product to be tested, the improvement comprising: the pressure testing machine comprising a test component, a moving component and a positioning component; the testing component comprising a pressure head for resisting a product to be tested, the positioning component For mounting the product to be tested, the test component is mounted on the positioning component; the moving component comprises a motor, a first timing pulley, a second timing pulley, a timing belt and a linear module, and the motor drives the first timing belt The first timing pulley is connected to the second timing pulley by the timing belt, so that the first timing pulley drives the second timing pulley to rotate, and the second timing pulley drives the linear module to move; the linearity The module drives the test component close to and away from the product to be tested to adjust the displacement of the indenter in the direction of the force applied to the product to adjust the pressure of the product to be tested. The pressure testing machine of claim 1, wherein the moving assembly further comprises a coupling and a rotary encoder, the rotary encoder being coupled to the second timing pulley by a coupling to rotate the code The device rotates together with the second timing pulley so that the rotary encoder measures the rotational speed of the motor. The pressure testing machine of claim 2, wherein the pressure testing machine further comprises a base, the base is provided with a bracket, the moving component and the test component are mounted on the bracket, and the positioning component is mounted on the corresponding test component On the base. The pressure testing machine of claim 3, wherein the moving component further comprises a substrate, the moving component being fixed to the bracket of the base by the substrate. The pressure testing machine of claim 4, wherein the motor and the linear module are fixedly mounted on the same surface of the substrate, and the rotary encoder is fixedly mounted on the other surface of the substrate relative to the linear module. . The pressure testing machine of claim 2, wherein the linear module comprises a linear guide, a connecting shaft and a slider, the connecting shaft and the second timing pulley being connected by a coupling, the second timing belt The wheel drives the connecting shaft to rotate, so that the slider slides on the linear guide, and the slider is loaded with the test component, and the slider drives the test component to move. The pressure testing machine of claim 3, wherein the positioning component is fixedly mounted on the base corresponding to the testing component, and is used for positioning a product to be tested, the positioning component comprises a fixing component and a limiting frame, the fixing component The fixing member is fixed on the base, and the fixing member is provided with a sliding rail. The direction of the sliding rail is perpendicular to the base, and the two limiting frames are slidably disposed on the sliding rail. The pressure testing machine of claim 7, wherein the limiting element frame comprises a partition, and the product to be tested is sandwiched between the partitions of the two limiting frames, thereby realizing the vertical direction of the product to be tested. Positioning. The pressure testing machine of claim 8, wherein the positioning component comprises a fixing plate, the partitioning plate is provided with a mounting hole, and the fixing plate is provided with a locking screw, and the locking screw is matched with the assembly The hole fixes the product to be tested between the fixing plate and the partition. The pressure testing machine of claim 8, wherein the base is provided with an operating portion and a display portion, the operating portion is configured to control an operating state of the pressure testing machine, and set a magnitude of a force applied by the testing component to the product to be tested, The test time is used to display the magnitude of the force applied by the test component to be tested and the test time.