CN219122226U

CN219122226U - Test system

Info

Publication number: CN219122226U
Application number: CN202222870778.0U
Authority: CN
Inventors: 石雷; 庞晨涛
Original assignee: Wuxi Ruiqin Technology Co Ltd
Current assignee: Wuxi Ruiqin Technology Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-06-02
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a test system, which relates to the technical field of automation, and comprises: the test bench is provided with a mechanical arm, a test instrument and a charging tray inlet and outlet unit which are fixed on the test bench; the material tray inlet and outlet unit is used for driving the material tray to move in a direction away from or close to the test table, and the material tray is used for placing a plurality of test sample cups; the mechanical arm is used for sequentially taking out the test sample cups from the material tray and placing the test sample cups on a set point position in the test instrument for testing, or taking out the detected test sample cups in the test instrument and placing the test sample cups on the material tray. The mechanical arm replaces a tester to feed and discharge the test sample cup, so that unmanned feeding and discharging are realized, and the labor input in the test process is greatly saved; because the mechanical arm can directly place the test material cup on the set point position in the test instrument, the manual calibration process is reduced, and the test efficiency is greatly improved.

Description

Test system

Technical Field

The application relates to the technical field of automation, in particular to a test system.

Background

The existing material analysis test flow requires a tester to put a test sample cup into a test instrument, and after the test is finished, the tester also needs to take out the test sample cup and put a new test sample cup into the test sample cup for test, so that the test efficiency is low, and the test link consumes longer time.

In addition, the manual operation of the tester also causes the situation that the test sample cup is not placed at the designated position of the test instrument, so that the normal test cannot be performed, and the tester is required to correct the position of the test sample cup, so that the testing manpower is greatly consumed.

Disclosure of Invention

In order to solve the problems of low material analysis and test efficiency and high labor cost, the embodiment of the application provides the following technical scheme:

the utility model provides a test system, comprising:

the test bench, and the mechanical arm, the test instrument and the tray inlet and outlet unit which are fixed on the test bench;

the material tray inlet and outlet unit is used for driving the material tray to move in a direction away from or close to the test bench, and the material tray is used for placing a plurality of test sample cups;

the mechanical arm is used for sequentially taking out the test sample cups from the material tray and placing the test sample cups on a set point position in the test instrument for testing, or taking out the tested test sample cups in the test instrument and placing the test sample cups on the material tray.

The mechanical arm replaces a tester to feed and discharge the test sample cup, so that unmanned feeding and discharging are realized, and the labor input in the test process is greatly saved; because the mechanical arm can directly place the test material cup on the set point position in the test instrument, the manual calibration process is reduced, and the test efficiency is greatly improved.

Optionally, the tray access unit further includes: the device comprises a sliding block, a sliding rail, a sliding seat and a linear driving device;

the sliding block is fixed on the test table, the sliding rail is arranged on the sliding block in a sliding way and is connected to the bottom of the sliding seat, and the charging tray is detachably arranged on the sliding seat;

the linear driving device is connected with the sliding seat and is used for driving the sliding seat to extend out of the outer side of the test bench or retract from the outer side of the test bench.

Through setting up charging tray business turn over unit on test system, wherein, slide rail and slider adopt the design of flip-chip, can realize pushing out whole charging tray to the outside of testboard to the material loading or get the material, can also realize changing new charging tray under the condition that does not influence other station tests, solve the problem that leads to the fact the efficiency of software testing to reduce because of stopping whole system.

Optionally, a clamping structure is arranged at the tail end of the mechanical arm and is used for centering and clamping the test material cup.

Through setting up the clamping structure of arm and taking the test sample cup, need not the manual test material cup of taking of tester, avoided the tester to have caused the condition that the test instrument can't detect to appear because of not placing the test sample cup in the assigned position of test instrument, solved because of needing the tester to correct test material cup position, and cause the problem that detection efficiency is too low.

Optionally, the clamping structure is a three-jaw cylinder, and an end structure of the three-jaw cylinder is determined by part profiling.

The clamping of the three-jaw cylinder is more attached to the sample measuring cup during clamping through part profiling, so that centering and clamping are realized.

Optionally, the end of the mechanical arm is provided with a reflective photoelectric unit, and the reflective photoelectric unit is used for detecting whether a test material cup is placed on a set point position in the test instrument when the test material cup is taken and placed.

By arranging the reflective photoelectric unit, the problem that the test sample cups are stacked due to the fact that missing test sample cups exist on a set point of the test instrument is avoided.

Optionally, a collision detection module is disposed on the mechanical arm, and when the collision detection module detects that the mechanical arm is in physical collision, the mechanical arm stops running.

Through setting up collision detection module, when mechanical arm and other equipment or human physical collision take place, the mechanical arm stop work has greatly improved the security that the mechanical arm used.

Optionally, a steering structure is provided at the bottom of the test instrument, the steering structure comprising a steering base.

The direction of the test instrument can be adjusted through the steering structure, so that the feeding of a manual or mechanical arm is facilitated.

Optionally, the steering structure further includes a plurality of universal balls disposed in a circumferential direction of the steering base.

The universal ball in the steering structure plays a role of supporting the steering structure and is convenient for the steering of the test instrument.

Optionally, the device further comprises a cylinder, wherein the cylinder is connected with an instrument door of the test instrument and is used for opening or closing the instrument door.

Optionally, the mechanical arm is located in a central position of the test bench, and a plurality of test instruments and at least one tray access unit corresponding to each test instrument are arranged around the mechanical arm.

The mechanical arm is located the central point of testboard and puts, and a mechanical arm corresponds a plurality of test instruments, and every test instrument corresponds at least one charging tray business turn over unit, has improved test efficiency when reducing the manpower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1A is a schematic diagram of a test system according to the present utility model;

FIG. 1B is a schematic diagram of a test system according to the present utility model;

FIG. 1C is a flowchart of a test system according to the present utility model;

fig. 2A is a schematic structural diagram of a pushing system of a tray access unit according to the present utility model;

fig. 2B is a schematic structural diagram of a tray feeding-discharging unit pushing-out system according to the present utility model;

FIG. 3 is a schematic structural diagram of a mechanical arm according to the present utility model;

fig. 4 is a schematic diagram of a clamping structure of a mechanical arm according to the present utility model;

fig. 5 is a schematic structural diagram of a test apparatus according to the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1A shows the structure of a test system provided by the present utility model, which includes a test bench 100, and a robot arm 101, a test instrument 102, and a tray in-out unit 103 fixed on the test bench 100; a tray 104 is arranged on the tray inlet and outlet unit 103, the tray inlet and outlet unit 103 is used for driving the tray 104 to move in a direction away from or close to the test bench 100, and the tray 104 is used for placing a plurality of test sample cups 105; the mechanical arm 101 is used for sequentially taking out the test sample cups 105 from the tray 104 and placing the test sample cups 105 on a set point in the test instrument 102 for testing, or taking out the test sample cups 105 detected in the test instrument 102 and placing the test sample cups 105 on the tray 104.

Specifically, the test bench 100 includes 4 test instruments 102,8 tray access units 103, wherein 1 test instrument 102 is provided with 2 tray access units 103 and 2 trays 104,1 trays 104 are placed on the 1 tray access units 103, and a plurality of test sample cups 105 can be placed on the 1 trays 104, and each test sample cup 105 is filled with a material to be tested. Each tray access unit 103 may drive the tray 104 to move away from or towards the test bench 100, and the tray access unit 103 may push the tray 104 out of the system.

The robot arm 101 is fixed to the center of the test bench 100 so that the distance from the robot arm 101 to each test instrument 102 is the same. The mechanical arm 101 sequentially takes out the test sample cups 105 from the tray 104, the mechanical arm 101 places the taken out test sample cups 105 on the set points of the test instruments 102 corresponding to the tray 104, the test instruments 102 detect the materials to be tested in the test sample cups 105, or takes out the detected test sample cups 105 in the test instruments 102 and places the test sample cups on the tray 104, as shown in fig. 1B. After the mechanical arm 101 performs the point calibration, the test sample cup 105 can be quickly taken and placed at the set point.

The mechanical arm 101 replaces a tester to feed and discharge the test sample cup 105, so that unmanned feeding and discharging are realized, and the labor input in the test process is greatly saved; because the mechanical arm 101 can directly place the test sample cup 105 on a set point position in the test instrument, the manual calibration process is reduced, and the test efficiency is greatly improved.

Based on the above system structure, fig. 1C shows a test system workflow, specifically including the following steps:

step S101, starting;

step S102, placing a material tray;

specifically, 8 trays are manually placed on 8 tray access units, buttons of switches on the sides of the test stand are started, and linear driving devices 204 of the 8 tray access units drive the 8 trays to move to the front of the corresponding 4 test instruments respectively.

Step S103, the system selects a test case;

specifically, after the tester selects the EXCEL form of the test case in the system, the tester starts to test. Wherein, the EXCEL tables of different test cases have different measurement parameters.

Step S104, the mechanical arm clamps the test sample cup for testing;

specifically, the mechanical arm is used for loading and unloading the test sample cups, one mechanical arm corresponds to loading and unloading of four test instruments, after any one test instrument is tested, the mechanical arm moves to a current test area, the test sample cups are taken out from the test instrument and placed in a material tray, and then an untested material cup is taken out from the material tray and placed in the test instrument for testing.

Step S105, sequentially measuring all the sample cups in the sample tray.

Specifically, the mechanical arm puts the test sample cups into the test instrument one by one to carry out corresponding tests until all the test sample cups are tested.

In some embodiments, the tray access unit 103 is configured as shown in fig. 2A, and the tray access unit 103 includes: a slider 201, a slide rail 202, a slide base 203, and a linear driving device 204; the sliding block 201 is fixed on the test bench 100, the sliding rail 202 is arranged on the sliding block 201 in a sliding way and is connected to the bottom of the sliding seat 203, and the sliding seat 203 is detachably provided with the tray 104; the linear driving device 204 is connected to the sliding seat 203, and the linear driving device 204 is used to drive the sliding seat 203 to extend out of the test bench 100 or retract from the outside of the test bench 100.

Specifically, the slider 201 is fixed on the test bench 100, the slider 201 and the sliding rail 202 are in sliding fit by adopting a reverse design, the sliding rail 202 is connected with the bottom of the sliding seat 203, and the tray 104 is detachably arranged on the sliding seat 203. The linear driving device 204 is connected to the slide base 203. The linear driving device 204 drives the sliding seat 203 to extend out of the test bench 100 or retract the sliding seat 203 from the outside of the test bench 100. As shown in fig. 2A, the tray 104 with good material can be driven by the linear driving device 204 to retract the sliding seat 203 from the outer side of the test bench 100; as shown in fig. 2B, the tested tray 104 may be driven by the linear driving device 204 to extend the sliding seat 203 out of the test stand 100 for tray replacement.

In some embodiments, the structure of the robotic arm 101 is as shown in fig. 3, and the end of the robotic arm 101 is provided with a clamping structure 301, the clamping structure 301 being used to clamp the test cup 105 in a centered manner.

Specifically, the robotic arm 101 is programmed to mimic the motion of a human hand and arm to grasp the test sample cup 105 in a fixed program. One end of the mechanical arm 101 is fixed on the test bench 100, the tail end of the other end is provided with a clamping structure 301, the clamping structure 301 is used for centering and clamping the test material cup 105, namely, the mechanical arm 101 is used for taking the test material cup 105 to be tested from the material tray 104, and the test material cup 105 detected by the test instrument 102 is placed back into the material tray 104.

The mechanical arm 101 is centered and clamped when taking the test sample cups 105, so that each test sample cup can be guaranteed to be in the same position after being clamped.

Through setting up the arm and taking the test sample cup, need not the test personnel and manually take the test material cup, avoided the test personnel to appear because of not placing the test sample cup in test instrument's assigned position, and cause the condition that test instrument can't detect, solved because of the test personnel to test the correction of material cup position, and cause the problem of detection efficiency too low.

In some embodiments, the clamp structure 301 is a three-jaw cylinder 401, as shown in fig. 4, the end structure of the three-jaw cylinder 401 is determined by part profiling.

Specifically, the three-jaw cylinder 401 is contoured to the shape of the exterior of the test sample cup 105, so that the three-jaw cylinder is clamped to the test sample cup 105 to achieve centered clamping.

In some embodiments, the end of the mechanical arm 101 is provided with a reflective photoelectric unit, and the reflective photoelectric unit is used for detecting whether the test sample cup 105 is placed on a set point in the test instrument 102.

Specifically, a reflective photoelectric unit is disposed at the end of the mechanical arm 101, and when the test sample cup 105 is taken and placed, the reflective photoelectric unit is used to determine whether the missing test sample cup 105 exists at the set point position in the test instrument 102, and if the missing test sample cup 105 exists, the mechanical arm 101 stops taking a new test sample cup 105 into the corresponding test instrument 102.

By arranging the reflective photoelectric unit, the problem of stacking of test material cups caused by missing test material cups on a set point position of the test instrument is avoided.

In some embodiments, the mechanical arm 101 is provided with a collision detection module, and when the collision detection module detects that the mechanical arm has a physical collision, the mechanical arm stops running.

Specifically, when the mechanical arm 101 collides with other devices or human bodies physically, the mechanical arm 101 stops working, so that the use safety of the mechanical arm is greatly improved.

As shown in fig. 5, in the structure of an energy dispersive X-Ray spectrum tester (Energy Dispersive X-Ray spectrum, abbreviated as EDX) disclosed in the embodiment of the present application, the EDX is used for analyzing the characteristic X-Ray wavelength and intensity of an element emitted from a test sample cup, determining the element contained in a test sample according to the different intensities of the characteristic X-Ray wavelength of different elements, and comparing the intensities of spectral lines of different elements to determine the element content in the test sample.

In some embodiments, the bottom of the test instrument 102 is provided with a steering structure 501, the steering structure 501 comprising a steering base.

Specifically, the bottom of the test instrument 102 is provided with a steering structure 501, and the steering structure 501 comprises a steering base, and the direction of the test instrument 102 can be adjusted through the steering base, so that feeding and discharging of a manual or mechanical arm are facilitated.

In some embodiments, steering structure 501 further includes a plurality of universal balls disposed in a circumferential direction of the steering base.

Specifically, the universal ball in the steering structure acts to support the steering structure 501 and facilitate steering of the test instrument.

In some embodiments, the test system includes a cylinder 502, the cylinder 502 being coupled to an instrument door of the test instrument 102 for opening or closing the instrument door.

Specifically, the left and right sides of the test instrument 102 are respectively provided with an air cylinder 502, and the automatic opening and closing of the instrument door of the test instrument 102 is realized through the two air cylinders 502.

In some embodiments, the mechanical arm 101 is located at a central position of the test bench 100, and a plurality of test instruments 102 and at least one tray access unit 103 corresponding to each test instrument 102 are disposed around the mechanical arm 101.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims

1. A test system, comprising:

2. The system of claim 1, wherein the tray access unit comprises: the device comprises a sliding block, a sliding rail, a sliding seat and a linear driving device;

3. The system of claim 1, wherein the end of the robotic arm is provided with a gripping structure for centering the test cup.

4. A system according to claim 3, wherein the gripping structure is a three-jaw cylinder, the end structure of which is determined by part profiling.

5. The system of claim 1, wherein a reflective photoelectric unit is disposed at a distal end of the mechanical arm, and the reflective photoelectric unit is configured to detect whether a test cup is placed at a set point in the test instrument when the test cup is taken and placed.

6. The system of claim 1, wherein the robotic arm is provided with a collision detection module, and wherein the robotic arm ceases operation when the collision detection module detects a physical collision of the robotic arm.

7. The system of claim 1, wherein a bottom of the test instrument is provided with a steering structure, the steering structure comprising a steering base.

8. The system of claim 7, wherein the steering structure further comprises a plurality of universal balls disposed in a circumferential direction of the steering base.

9. The system of claim 1, further comprising a pneumatic cylinder coupled to an instrument door of the test instrument for opening or closing the instrument door.

10. The system according to any one of claims 1 to 9, wherein the robot arm is located at a central position of the test bench, and a plurality of the test instruments and at least one tray access unit corresponding to each of the test instruments are disposed around the robot arm.