Shell conductivity test equipment

Abstract

The utility model relates to the technical field of conduction testing, in particular to shell conduction testing equipment which comprises a console base body and a fixing base arranged on the console base body. The mounting plate is used for fixing the position of a shell, the first probe and the second probe are used for testing the conductivity of a guide pin group on the shell, the pressing mechanism is used for driving the first probe to press downwards, the driving mechanism is used for driving the pressing mechanism to press downwards, and the mounting plate is arranged on the supporting column in a sliding manner; the number of the first probes and the number of the second probes are both multiple, the driving mechanism drives the pressing and holding mechanism to drive the multiple first probes to press downwards towards the direction of the first guide needles at the same time, and firstly, each first probe abuts against the corresponding first guide needle; and the pressing is continued, so that the mounting plate slides downwards until each second probe abuts against the corresponding first lead pin, second lead pin or third lead pin, and the electrified first lead pin, second lead pin and third lead pin can be tested at the same time, thereby improving the test efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric test, in particular to a shell electric test device. BACKGROUND

[0002] The electrical equipment usually needs to be powered under certain conditions during use. The workers need to test the electric conductive device of the electrical equipment after production to ensure the reliability and safety of the electrical equipment in actual use.

[0003] Referring to Figure 1 and Figure 2 , there is a shell 3 for electrical connection, the shell 3 is provided with a clamping edge 31 and a matching hole 32 for positioning, and the shell 3 is also provided with a lead pin group 33 for electric conduction, the lead pin group 33 includes a first lead pin 331, a second lead pin 332 and a third lead pin 333, the first lead pin 331 is provided with three, and the second lead pin 332 and the third lead pin 333 are each provided with two, the second lead pin 332 and the third lead pin 333 are respectively electrically connected with the first lead pin 331 inside the shell 3, in order to ensure that each lead pin produced can conduct when powered, each lead pin needs to be tested for electric conduction.

[0004] Referring to Figure 1 and Figure 2 , in the prior art, a test instrument is usually used to test the electric conduction of the lead pin on the shell 3, the positive electrode of the test instrument is connected with the upper end of a lead pin, and the negative electrode of the test instrument is connected with the lower end of the lead pin, so that the test instrument can test only one or two lead pins at a time. Since the number of lead pins on the to-be-tested plate is large, the worker needs to adjust the positive and negative electrode positions of the test instrument many times to test the lead pins at different positions. This test method has low test efficiency and needs to be improved. Content of the utility model

[0005] In order to improve the test efficiency, the present application provides a shell electric test device.

[0006] The shell electric test device provided by the present application adopts the following technical scheme:

[0007] A shell electric test device, comprising a console base body and a fixing seat, the fixing seat is arranged on the console base body, the fixing seat is provided with a supporting column, a mounting plate for fixing the position of the shell, a first probe and a second probe for testing the conductivity of the lead pin group on the shell, a pressing mechanism for driving the first probe to press down, and a driving mechanism for driving the pressing mechanism to press down, the mounting plate is slidably arranged on the supporting column;

[0008] The first probe corresponds to the position and number of the first probe, any of the first probe and the upper end of the corresponding first probe form abutting cooperation, the second probe corresponds to the position and number of the first probe, the second probe and the third probe, and any of the second probe and the lower end of the corresponding first probe or the lower end of the second probe or the lower end of the third probe form abutting cooperation.

[0009] By adopting the above technical scheme, in actual operation, any first probe is electrically connected to the positive electrode of the console base body, any second probe is electrically connected to the negative electrode of the console base body, the driving mechanism drives the pressing mechanism to drive the three first probes to simultaneously press downward in the direction of the first probe, first makes each first probe abut with the corresponding first probe, continues to press downward to make the mounting plate slide downward, until each second probe on the fixing seat simultaneously abuts with the corresponding first probe, second probe and third probe, then the plurality of first probes, second probes and third probes on the powered shell can be tested simultaneously as needed, compared with the test method of the prior art, the position of the first probe and the second probe does not need to be adjusted to realize the test, thereby improving the test efficiency.

[0010] Preferably, the pressing mechanism is provided with a pre-tightening pin and a second spring for providing a pre-tightening force to the shell, the pre-tightening pin abuts with the shell, and the second spring is sleeved on the pre-tightening pin.

[0011] By adopting the above technical scheme, by using the pre-tightening pin and the spring, a pre-tightening force is provided to the shell before testing, ensuring that the first probe and the first probe form good abutment, thereby reducing the possibility of wear between the first probe and the first probe due to collision.

[0012] Preferably, the driving mechanism is provided as a pneumatic cylinder, the pressing mechanism includes a connecting plate and a pressing plate, the piston rod of the pneumatic cylinder is connected with the connecting plate, the side of the connecting plate away from the pneumatic cylinder is connected with the pressing plate, and the first probe and the pre-tightening pin are arranged on the pressing plate.

[0013] By adopting the above technical scheme, by using the connecting plate and the pressing plate, the piston rod of the pneumatic cylinder can drive the connecting plate to move downward, and the connecting plate is connected with the pressing plate, so that the connecting plate drives the first probe and the pre-tightening pin arranged on the pressing plate to press downward, thereby facilitating subsequent testing operations.

[0014] Preferably, the pre-tightening pin includes a connecting portion and a movable head portion, the movable head portion is provided with a sliding groove, one end of the connecting portion is connected to the pressing plate, the other end of the connecting portion is slidably arranged in the sliding groove of the movable head portion, the second spring is sleeved on the connecting portion, and the upper end of the second spring abuts with the pressing plate, and the lower end of the second spring abuts with the movable head portion.

[0015] By adopting the technical scheme, the pre-tightening nail is pressed down by the pressing plate, when the movable head of the pre-tightening nail abuts against the shell, the pressing plate drives the connecting part to slide in the sliding groove in a small range, the second spring between the pressing plate and the movable head is compressed under pressure, at this time, the second spring also provides pre-tightening force to the shell, thereby improving the stability of the shell on the mounting plate, so as to ensure that the first probe and the first contact pin form good abutment.

[0016] Preferably, the fixing seat comprises a fixing seat and a supporting column, a first spring is sleeved on the supporting column, a mounting hole is arranged on the mounting plate, one end of the supporting column is arranged on the fixing seat, the other end of the supporting column is in sliding fit with the mounting hole, the upper end of the first spring is in abutting fit with the mounting plate, and the lower end of the first spring is in abutting fit with the fixing seat.

[0017] By adopting the technical scheme, when the first probe abuts against the first contact pin on the shell and continues to be pressed down, the supporting column and the mounting hole are in sliding fit, and the first spring on the supporting column is arranged, so that the mounting plate can slide on the supporting column in a small range until the second probe abuts against the corresponding first contact pin, second contact pin and third contact pin; the first spring can buffer the impact force generated in the pressing process of the mounting plate, so as to protect the mounting plate and the fixing seat from being damaged, and the mounting plate and the shell can be reset after the test is completed.

[0018] Preferably, the supporting column is threadedly connected to the fixing seat, and the fixing seat is threadedly connected to the console base body.

[0019] By adopting the technical scheme, the supporting column and the fixing seat are threadedly connected, and the fixing seat and the console base body are threadedly connected, so that the connection between the supporting column and the fixing seat and the connection between the fixing seat and the console base body are detachable, and the fixing seat and the supporting column are convenient for workers to assemble, disassemble or maintain.

[0020] Preferably, the mounting plate is provided with a mounting groove, and the mounting groove on the mounting plate is in clamping fit with the clamping edge of the shell.

[0021] By adopting the technical scheme, the mounting groove and the clamping edge of the shell are in clamping fit, so that the position of the shell on the mounting plate is preliminarily fixed, and subsequent test operation is facilitated.

[0022] Preferably, the mounting plate is provided with a positioning pin for limiting the position of the shell, and the positioning pin is in plug-in fit with the matching hole of the shell.

[0023] By adopting the technical scheme, the position of the shell is further limited by the positioning pin, the possibility of movement of the shell during the test is reduced, and the stability during the test is improved.

[0024] To sum up, the present application has at least one of the following beneficial technical effects:

[0025] 1. In actual operation, any first probe is electrically connected to the positive electrode of the console base, any second probe is electrically connected to the negative electrode of the console base, the driving mechanism drives the pressing mechanism to drive the three first probes to simultaneously press downward in the first needle direction, so that each first probe is first brought into abutment with the corresponding first needle, and the mounting plate continues to slide downward until each second probe on the fixed seat simultaneously abuts against the corresponding first needle, second needle and third needle, so that the plurality of first needles, second needles and third needles on the shell can be simultaneously tested as needed, and compared with the test method of the prior art, the test can be realized without adjusting the positions of the first probe and the second probe, thereby improving the test efficiency;

[0026] 2. The pre-tightening nail is pressed downward by the pressing plate, and when the movable head of the pre-tightening nail abuts against the shell, the pressing plate drives the connecting portion to slide in the sliding groove in a small range, the second spring between the pressing plate and the movable head is compressed under pressure, and at this time the second spring also provides a pre-tightening force to the shell, thereby improving the stability of the shell on the mounting plate, and ensuring that the first probe abuts against the first needle;

[0027] 3. When the first probe abuts against the first needle on the shell and continues to press downward, the mounting plate slides on the support column in a small range by the sliding cooperation of the mounting hole and the support column, and the first spring on the support column is used to make the mounting plate slide on the support column in a small range until the second probe abuts against the corresponding first needle, second needle and third needle; the first spring can buffer the impact force generated during the pressing process of the mounting plate, and protect the mounting plate and the fixed seat from being damaged, and also facilitate the resetting of the mounting plate and the shell after the test is completed. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is an axonometric view mainly showing the overall structure of the shell in the background art;

[0029] Figure 2 is a sectional view mainly showing the internal structure of the shell in the background art;

[0030] Figure 3 is an axonometric view mainly showing the overall structure in the embodiment of the present application;

[0031] Figure 4This is a side view of the embodiments of this application, mainly showing the installation positions of the first and second probes;

[0032] Figure 5 This is a structural schematic diagram illustrating the main cooperative relationship between the pressing mechanism and the housing in the embodiments of this application;

[0033] Figure 6 This is a schematic diagram illustrating the connection relationship between the second probe and the fixing base in the embodiments of this application;

[0034] Figure 7 This is a cross-sectional view that mainly illustrates the internal structure of the pre-tightening nail in the embodiments of this application.

[0035] Reference numerals: 1. Control panel base; 11. Touch screen display; 2. Fixing base; 21. Support column; 211. First spring; 22. Connecting frame; 23. First probe; 24. Second probe; 25. Holding mechanism; 251. Connecting plate; 252. Holding plate; 253. First adapter hole; 254. Second adapter hole; 255. Pre-tightening pin; 2551. Connecting part; 2552. Movable head; 25521. Sliding groove; 256. Second spring; 26. Drive mechanism; 27. Mounting plate; 271. Mounting hole; 272. Mounting groove; 273. Positioning pin; 28. Protrusion; 29. ​​Clearance hole; 3. Housing; 31. Snap-fit ​​edge; 32. Mating hole; 33. Pin assembly; 331. First pin; 332. Second pin; 333. Third pin. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1 -Appendix Figure 7 This application will be described in further detail.

[0037] This application discloses a shell conductivity testing device.

[0038] Reference Figure 3 and Figure 4 A shell conductivity testing device includes a control base 1 and a fixed base 2. The fixed base 2 is connected to the control base 1 by bolts and threads. The fixed base 2 is provided with a support column 21, a connecting frame 22, a first probe 23, a second probe 24, a pressing mechanism 25 for driving the probes to press down, and a driving mechanism 26 for driving the pressing mechanism 25 to press down. A mounting plate 27 for fixing the position of the shell 3 is slidably provided on the support column 21.

[0039] Reference Figure 2 and Figure 4, and the connecting frame 22 is bolted on the fixing base 2, the first probe 23 and the second probe 24 are used for testing the conductivity of the first lead 331, the second lead 332 and the third lead 333 on the shell 3, the pressing mechanism 25 and the driving mechanism 26 are both bolted on the connecting frame 22.

[0040] With reference to Figure 2 and Figure 5 , the first probe 23 is arranged corresponding to the position and number of the first lead 331, that is, the first probe 23 is arranged with three, any first probe 23 is arranged on the pressing mechanism 25 and is electrically connected to the positive pole of the console base 1, and the end of any first probe 23 away from the pressing mechanism 25 is in abutting cooperation with the upper end of the corresponding first lead 331, the second probe 24 is arranged corresponding to the position and number of the first lead 331, the second lead 332 and the third lead 333, that is, the second probe 24 is arranged with seven, and any second probe 24 is arranged on the fixing base 2 and is electrically connected to the negative pole of the console base 1.

[0041] With reference to Figure 2 and Figure 5 , in actual operation, the driving mechanism 26 drives the pressing mechanism 25 to drive the three first probes 23 to simultaneously press downward in the direction of the first lead 331, so that each first probe 23 abuts against the corresponding first lead 331, and continues to press downward to make the mounting plate 27 slide downward, until each second probe 24 on the fixing base 2 simultaneously abuts against the corresponding first lead 331, the second lead 332 and the third lead 333, then the plurality of first leads 331, the second leads 332 and the third leads 333 on the shell 3 can be tested simultaneously according to the need after being electrified, thereby improving the test efficiency.

[0042] With reference to Figure 2 and Figure 6 , the fixing base 2 is also bolted with a protruding block 28, the three second probes 24 corresponding to the first lead 331 and the two second probes 24 corresponding to the second lead 332 are arranged in the same horizontal plane and are both fixedly installed on the fixing base 2, and the two second probes 24 corresponding to the third lead 333 are arranged in the same horizontal plane and are both fixedly installed on the protruding block 28, the lower end of any first lead 331, the lower end of any second lead 332 and the lower end of any third lead 333 are in abutting cooperation with the corresponding second probe 24, respectively.

[0043] With reference to Figure 5 and Figure 6The mounting plate 27 is provided with mounting holes 271 at four corners, the fixed seat 2 is provided with avoiding holes 29 for avoiding the support columns 21, the support columns 21 and the avoiding holes 29 are provided in positions and numbers corresponding to the mounting holes 271, any support column 21 is threadedly connected to the fixed seat 2 by a bolt, and any support column 21 is sequentially arranged from bottom to top through the corresponding avoiding hole 29 and the mounting hole 271, and any support column 21 is in sliding fit with the corresponding mounting hole 271.

[0044] With reference to Figure 5 The first spring 211 is sleeved on any support column 21, the upper end of the first spring 211 is in abutting fit with the lower surface of the mounting plate 27, the lower end of the first spring 211 is in abutting fit with the upper surface of the fixed seat 2, the first spring 211 can buffer the impact force generated in the process of pressing down the mounting plate 27, and protect the mounting plate 27 and the fixed seat 2 from being damaged, and the mounting plate 27 and the shell 3 can be reset after the test is completed.

[0045] With reference to Figure 2 and Figure 4 When any first probe 23 is in abutting fit with the corresponding first needle 331 on the shell 3 and continues to be pressed down, the first spring 211 provides support force to the mounting plate 27 due to compression, so that the mounting plate 27 is in small-range sliding fit on the support column 21, until the second probe 24 is in abutting fit with the corresponding first needle 331, second needle 332 and third needle 333.

[0046] With reference to Figure 1 and 6 The mounting plate 27 is provided with mounting grooves 272, the mounting grooves 272 on the mounting plate 27 are in clamping fit with the clamping edge 31 of the shell 3, and the position of the shell 3 on the mounting plate 27 is preliminarily fixed, so as to facilitate subsequent test operation.

[0047] With reference to Figure 5 and 6 The mounting plate 27 is integrally formed with positioning pins 273 for limiting the position of the shell 3, the positioning pins 273 are in plug-in fit with the cooperating holes 32 of the shell 3, and the position of the shell 3 is further limited, so as to reduce the possibility of movement of the shell 3 in the test process, thereby improving the stability in the test process.

[0048] With reference to Figure 5The driving mechanism 26 is bolted on the connecting frame 22, and in the embodiment, the driving mechanism 26 is a cylinder, the pressing mechanism 25 comprises a connecting plate 251 and a pressing plate 252, a piston rod of the cylinder is installed on the connecting plate 251, a side of the connecting plate 251 away from the cylinder is bolted with the pressing plate 252, the pressing plate 252 is provided with first fitting holes 253, three first fitting holes 253 are provided corresponding to the positions and the number of the first probes 23, any first probe 23 forms an interference fit with the corresponding first fitting hole 253, and any first probe 23 is arranged in the same horizontal plane.

[0049] With reference to Figure 5 , by means of the connecting plate 251 and the pressing plate 252, the piston rod of the cylinder can be driven to move downward, at this time, the connecting plate 251 drives the first probes 23 arranged on the pressing plate 252 to press downward, thereby facilitating subsequent testing operations.

[0050] With reference to Figure 2 and Figure 5 , the pressing plate 252 is provided with second fitting holes 254, pre-tightening nails 255 for providing pre-tightening force to the shell 3, and second springs 256, the pre-tightening nails 255 form an interference fit with the second fitting holes 254, so that when the pressing plate 252 moves downward, the pre-tightening nails 255 can be driven to press downward, the upper surface of the pre-tightening nail 255 is arranged in the same horizontal plane as the upper surface of the pressing plate 252, the end of the pre-tightening nail 255 away from the pressing plate 252 forms an abutting fit with the shell 3, and the second spring 256 is sleeved on the pre-tightening nail 255, by means of the second spring 256, the stability of the shell 3 during the pressing process is improved, and at the same time, good abutment is ensured between the first probe 23 and the first lead 331.

[0051] With reference to Figure 5 and Figure 7 , the pre-tightening nail 255 comprises a connecting portion 2551 and a movable head portion 2552, the movable head portion 2552 is provided with a sliding groove 25521, one end of the connecting portion 2551 forms an interference fit with the second fitting hole 254, the other end of the connecting portion 2551 is slidably arranged in the sliding groove 25521, the second spring 256 is sleeved on the corresponding connecting portion 2551, and the upper end of the second spring 256 forms an abutting fit with the lower surface of the pressing plate 252, and the lower end of the second spring 256 forms an abutting fit with the upper surface of the corresponding movable head portion 2552.

[0052] With reference to Figure 5 and Figure 7When the movable head 2552 of the pre-tightening nail 255 abuts against the shell 3, the pressing plate 252 drives the connecting portion 2551 to slide in the sliding groove 25521 in a small range, and the second spring 256 between the pressing plate 252 and the movable head 2552 is compressed under pressure.

[0053] With reference to Figure 2 and Figure 5 By arranging the second spring 256, the second spring 256 provides a pre-tightening force to the shell 3 due to compression under force, thereby improving the stability of the shell 3 on the mounting plate 27, so as to ensure that the first probe 23 abuts against the first lead pin 331.

[0054] With reference to Figure 2 and Figure 3 The console base 1 is provided with a touch display screen 11, and the corresponding images of the first lead pin 331, the second lead pin 332 and the third lead pin 333 are displayed on the touch display screen 11, so as to facilitate the staff to click to test the conductivity of the first lead pin 331, the second lead pin 332 and the third lead pin 333 as needed.

[0055] The implementation principle of the embodiment of the application is that, in actual operation, the shell 3 to be tested is placed on the mounting plate 27, so that the clamping edge 31 of the shell 3 is clamped and fitted with the mounting groove 272, and at the same time, the positioning pin 273 is inserted into the matching hole 32 of the shell 3, thereby limiting the installation position of the shell 3.

[0056] The staff turns on the power to start the equipment, first controls the cylinder to drive the connecting plate 251 and the pressing plate 252 to move downward, and when the movable head 2552 of the pre-tightening nail 255 contacts the shell 3, the connecting portion 2551 slides in the limiting groove as the pressing plate 252 continues to move downward, thereby compressing the second spring 256. The compression of the second spring 256 provides a pre-tightening force to the shell 3, thereby ensuring good contact between the first probe 23 and the first lead pin 331. Thereafter, the pressing plate 252 drives the first probe 23 and the pre-tightening nail 255 to continue to move downward, so that the mounting plate 27 slides on the supporting column 21 until each of the first lead pin 331, the second lead pin 332 and the third lead pin 333 abuts against the second probe 24.

[0057] At this time, the staff can click the corresponding image positions of the first lead pin 331, the second lead pin 332 and the third lead pin 333 on the touch display screen 11 as needed to test the conduction condition, and the test result is fed back to the touch display screen 11 in the form of an image, so that the staff can obtain the test information of the first lead pin 331, the second lead pin 332 and the third lead pin 333 by observing the image on the touch display screen 11, which is convenient and fast, and thus improves the test efficiency.

[0058] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A device for testing the conductivity of a housing, characterized in that: The device includes a control console base (1) and a fixed base (2). The fixed base (2) is mounted on the control console base (1). The fixed base (2) is provided with a support column (21), a mounting plate (27) for fixing the position of the housing, a first probe (23) and a second probe (24) for testing the conductivity of the probe group on the housing, a pressing mechanism (25) for driving the first probe (23) to press down, and a driving mechanism (26) for driving the pressing mechanism (25) to press down. The mounting plate (27) is slidably mounted on the support column (21). The first probe (23) is set in position and number corresponding to the first pin. Any first probe (23) forms an abutment with the upper end of the corresponding first pin. The second probe (24) is set in position and number corresponding to the first pin, the second pin and the third pin. Any second probe (24) forms an abutment with the lower end of the corresponding first pin, the lower end of the second pin or the lower end of the third pin.

2. The shell conductivity testing device according to claim 1, characterized in that: The pressing mechanism (25) is provided with a preload pin (255) and a second spring (256) for providing preload force to the housing. The preload pin (255) forms an abutment fit with the housing, and the second spring (256) is sleeved on the preload pin (255).

3. The casing conductivity testing device according to claim 2, characterized in that: The driving mechanism (26) is configured as a cylinder, and the pressing mechanism (25) includes a connecting plate (251) and a pressing plate (252). The piston rod of the cylinder is connected to the connecting plate (251), and the side of the connecting plate (251) away from the cylinder is connected to the pressing plate (252). The first probe (23) and the pre-tightening pin (255) are both disposed on the pressing plate (252).

4. The shell conductivity testing device according to claim 3, characterized in that: The pre-tightening pin (255) includes a connecting part (2551) and a movable head (2552). The movable head (2552) is provided with a sliding groove (25521). One end of the connecting part (2551) is connected to the pressure plate (252), and the other end of the connecting part (2551) is slidably disposed in the sliding groove (25521) of the movable head (2552). The second spring (256) is sleeved on the connecting part (2551), and the upper end of the second spring (256) forms an abutting fit with the pressure plate (252), and the lower end of the second spring (256) forms an abutting fit with the movable head (2552).

5. The shell conductivity testing device according to claim 1, characterized in that: A first spring (211) is sleeved on the support column (21), and a mounting hole (271) is provided on the mounting plate (27). One end of the support column (21) is set on the fixed seat (2), and the other end of the support column (21) forms a sliding fit with the mounting hole (271). The upper end of the first spring (211) forms an abutting fit with the mounting plate (27), and the lower end of the first spring (211) forms an abutting fit with the fixed seat (2).

6. The casing conductivity testing device according to claim 5, characterized in that: The support column (21) is connected to the fixed seat (2) by bolt thread, and the fixed seat (2) is connected to the control panel base (1) by bolt thread.

7. The shell conductivity testing device according to claim 1, characterized in that: The mounting plate (27) is provided with a mounting groove (272), and the mounting groove (272) on the mounting plate (27) and the snap-fit ​​edge of the housing form a snap-fit ​​engagement.

8. The casing conductivity testing device according to claim 7, characterized in that: The mounting plate (27) is provided with a positioning pin (273) for defining the position of the housing, and the positioning pin (273) forms an insertion fit with the mating hole of the housing.

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