CN218003630U

CN218003630U - Real service environment's of simulation soldering tin performance detection device

Info

Publication number: CN218003630U
Application number: CN202221128811.6U
Authority: CN
Inventors: 刘锦洋; 吕逸; 纳吉木·艾尔西; 田兵; 郭政佑; 张斌
Original assignee: Harbin Engineering University
Current assignee: Harbin Engineering University
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-12-09
Anticipated expiration: 2032-05-12

Abstract

The utility model provides a real service environment's of simulation soldering tin performance detection device belongs to the detection device field. The problem of current check out test set can not satisfy the performance detection requirement of soldering tin under real service environment and need change check out test set frequently many times when measuring multiunit performance is solved. The device comprises a detection box body, wherein the other side of the detection box body is connected with a side shell, a rotary lifting mechanism is arranged in the side shell, the upper end of the rotary lifting mechanism is connected with an upright post, one end of a support frame is sleeved at the upper end of the upright post, the other end of the support frame is connected with a first motor, an output shaft of the first motor is connected with a turntable, a connecting rod is arranged on the lower end face of the turntable, the tail end of the connecting rod is connected with a sensor, and the lower end of the sensor is connected with a probe; an inner cavity is formed in the upper end of the detection box body, an electric heating coil is wound outside the inner cavity, a clamp is arranged inside the inner cavity, and an external connecting hole connected with external atmosphere equipment is formed in one side of the detection box body. The utility model is suitable for a soldering tin performance detects.

Description

Real service environment's of simulation soldering tin performance detection device

Technical Field

The utility model belongs to the detection device field especially relates to a simulate real service environment's soldering tin performance detection device.

Background

Conventional techniques are generally based on visual inspection to inspect soldered circuit boards. Or detecting the electronic product which is processed and formed to determine whether the soldering tin quality meets the requirement. The results obtained by the detection modes are influenced by unknown factors in the welding process to different degrees, and the performance of the soldering tin obtained by testing has a larger difference from the actual performance. In practical use, the soldering tin welding circuit board has complex use environment conditions, and particularly some electronic equipment with special use requirements can be generally used in a high-temperature environment, so that the soldering tin performance detection under the real use condition needs to be simulated to determine the practical use performance of the soldering tin. The detection of traditional detection technology to solder bar or solder bar generally all is based on traditional metallic property detection device, and the influence of external environment in the material testing process is mostly not considered to this kind of detection mode, thereby receives the accuracy of the performance data of the influence of other external factors easily in the testing process, and the testing process is loaded down with trivial details moreover, need frequent change check out test set many times when measuring multiunit performance, wastes time and energy, and efficiency is not high.

Therefore, it is necessary to design a solder performance detection apparatus that simulates a real usage environment.

Disclosure of Invention

In view of this, the utility model aims at providing a simulation true service environment's soldering tin performance detection device to solve present check out test set and can not satisfy the problem that soldering tin performance under true service environment detected the requirement and need change check out test set many times frequently when measuring multiunit performance, waste time and energy, problem that efficiency is not high.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a tin soldering performance detection device for simulating a real use environment comprises a detection box body, wherein a control platform is arranged on one side of the detection box body, a side shell is connected to the other side of the detection box body, a rotary lifting mechanism is connected to the inside of the side shell, an upright post is connected to the upper end of the rotary lifting mechanism, the upper end of the upright post extends to the outside of the side shell in a penetrating manner, one end of a support frame is sleeved at the upper end of the upright post, a first motor is connected to the other end of the support frame, an output shaft of the first motor is connected with a turntable located below the support frame, three connecting rods are uniformly arranged on the lower end face of the turntable along the circumferential direction, a sensor is connected to the tail end of each connecting rod, and a probe is connected to the lower end of each sensor;

an inner chamber is formed in the upper end of the detection box body, an opening in the upper end of the inner chamber is matched with the rotary table, an electric heating coil is wound outside the inner chamber, three clamps are arranged below the inner chamber and used for clamping a piece to be detected, the control platform is electrically connected with the electric heating coil, the three sensors are electrically connected with the control platform, and the first motor and the rotary lifting mechanism are electrically connected with the control platform;

the rotary lifting mechanism drives the support frame to rotate, the rotary table is opposite to the upper end opening of the inner cavity, the rotary lifting mechanism drives the probe to extend into the inner cavity, and the rotary table seals the upper end opening of the inner cavity; when three probe stretched into the inner chamber indoorly, driven the carousel through first motor and rotated and make three probe and three anchor clamps position one-to-one, detect box one side and set up the external connecting hole with inner chamber intercommunication, external connecting hole is connected with the trachea, the trachea is connected with external atmosphere equipment.

Furthermore, the rotary lifting mechanism comprises a connecting shaft which is rotatably connected with the lower end face in the side shell, a rotating gear is connected to the upper end of the connecting shaft, a transmission gear is meshed on one side of the rotating gear, the lower end of the transmission gear is connected with a second motor, the second motor is connected with the lower end face in the side shell, a threaded rod is rotatably connected to the middle of the upper end of the rotating gear, the threaded rod is in threaded connection with the inside of the upright, a driven gear is sleeved on the lower portion of the threaded rod, one end of the driven gear is meshed with a driving gear, the lower end of the driving gear is connected with a third motor, the third motor is arranged on the upper end face of the rotating gear, and a guide assembly used for guiding the upright to move up and down is arranged on the upright.

Furthermore, the guide assembly comprises two guide rods arranged in parallel, the upper end of each guide rod extends into the side wall of the upright post, and the lower end of each guide rod is connected with the rotating gear.

Furthermore, the two guide rods are arranged symmetrically with respect to the central axis of the upright.

Furthermore, the inner threaded hole matched with the threaded rod is formed in the upright column, and two movable holes for accommodating the guide rods are formed in the lower end of the upright column.

Furthermore, the three sensors are respectively a displacement sensor, an electric conductivity sensor and a thermal conductivity sensor.

Furthermore, the external atmosphere equipment is a vacuum pump, an atomization humidifier or a nitrogen cylinder.

Furthermore, a sealing structure is arranged on the periphery of the rotating disc and matched with the inner wall of the inner cavity.

Furthermore, an observation window for observing the moving distance of the probe is arranged on the side surface of the detection box body.

Furthermore, a valve is arranged on the air pipe.

Compared with the prior art, a real service environment's of simulation soldering tin performance detection device's beneficial effect be:

(1) The utility model can simulate different use environments, use temperature, provide more reference tin soldering performance parameters, directly test the performance parameters of tin soldering raw materials such as tin wires, tin soldering balls and tin soldering bars, and avoid the influence of unknown factors in the welding process;

(2) The utility model discloses a three sensor, three group's samples that await measuring of simultaneous measurement have improved efficiency, and need not repeated preparation work after the first group test is accomplished, can directly adjust the probe position, accomplish a set of test down, can the performance of the different samples of three groups of simultaneous measurement in the testing process, also can accomplish the test to the three different parameters of same sample, have saved a large amount of time.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

fig. 1 is a schematic perspective view of a soldering tin performance testing device for simulating a real usage environment according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a solder performance testing apparatus for simulating a real usage environment according to an embodiment of the present invention (without an external atmosphere device);

fig. 3 is a top view of a solder performance testing apparatus (not including an external atmosphere device) for simulating a real usage environment according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotary lifting mechanism in the soldering tin performance detecting apparatus for simulating a real use environment according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a stand column in the soldering tin performance detecting apparatus for simulating a real usage environment according to an embodiment of the present invention.

Description of the reference numerals:

1. detecting the box body; 2. a manipulation platform; 3. a side casing; 4. a rotary lifting mechanism; 401. a connecting shaft; 402. a rotating gear; 403. a transmission gear; 404. a second motor; 405. a threaded rod; 406. a driven gear; 407. a driving gear; 408. a third motor; 409. a guide bar; 5. a column; 6. a support frame; 7. a first motor; 8. a turntable; 9. a connecting rod; 10. a sensor; 11. a probe; 12. an inner chamber; 13. a coil; 14. a clamp; 15. connecting holes are externally connected; 16. an internally threaded bore; 17. a movable hole; 18. a wire; 19. an air tube; 20. a nitrogen gas cylinder; 21. and (4) an observation window.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, a soldering tin performance detection device simulating a real use environment includes a detection box 1, a control platform 2 is disposed on one side of the detection box 1, a side shell 3 is connected to the other side of the detection box 1, a rotary lifting mechanism 4 is connected inside the side shell 3, an upright post 5 is connected to an upper end of the rotary lifting mechanism 4, an upper end of the upright post 5 extends to the outside of the side shell 3, one end of a support frame 6 is sleeved on an upper end of the upright post 5, the other end of the support frame 6 is connected with a first motor 7, an output shaft of the first motor 7 is connected with a turntable 8 located below the support frame 6, three connecting rods 9 are uniformly arranged on a lower end surface of the turntable 8 along a circumferential direction, a sensor 10 is connected to an end of each connecting rod 9, and a probe 11 is connected to a lower end of each sensor 10;

an inner chamber 12 is arranged at the upper end of the detection box body 1, the upper end opening of the inner chamber 12 is matched with the rotary table 8, an electric heating coil 13 is wound outside the inner chamber 12, three clamps 14 are arranged below the inner part of the inner chamber 12, and the three clamps 14 are circumferentially distributed; the clamp 14 is used for clamping a piece to be tested, the control platform 2 is electrically connected with the electric heating coil 13, the three sensors 10 are electrically connected with the control platform 2 through leads 18, and the first motor 7 and the rotary lifting mechanism 4 are electrically connected with the control platform 2;

the rotary lifting mechanism 4 drives the support frame 6 to rotate, the rotary table 8 is right opposite to the upper end opening of the inner chamber 12, the rotary lifting mechanism 4 drives the probe 11 to extend into the inner chamber 12, and the rotary table 8 seals the upper end opening of the inner chamber 12; when three probe 11 stretches into in the inner chamber 12, drive carousel 8 through first motor 7 and rotate and make three probe 11 and the 14 position one-to-one of three anchor clamps, detect external connecting hole 15 with inner chamber 12 intercommunication is seted up to 1 one side of box, external connecting hole 15 is connected with trachea 19, trachea 19 is connected with external atmosphere equipment.

The rotary lifting mechanism 4 comprises a connecting shaft 401 rotatably connected with the lower end face inside the side shell 3, the upper end of the connecting shaft 401 is connected with a rotating gear 402, a transmission gear 403 is meshed on one side of the rotating gear 402, the lower end of the transmission gear 403 is connected with a second motor 404, the second motor 404 is connected with the lower end face inside the side shell 3, the middle of the upper end of the rotating gear 402 is rotatably connected with a threaded rod 405, the threaded rod 405 is in threaded connection with the inside of the upright post 5, a driven gear 406 is sleeved on the lower portion of the threaded rod 405, one end of the driven gear 406 is meshed with a driving gear 407, the lower end of the driving gear 407 is connected with a third motor 408, the third motor 408 is arranged on the upper end face of the rotating gear 402, and a guide assembly for guiding the upright post 5 to move up and down is arranged on the upright post 5. The guide assembly comprises two guide rods 409 which are arranged in parallel, the upper end of each guide rod 409 extends into the side wall of the upright post 5, and the lower end of each guide rod 409 is connected with the rotating gear 402; the two guide rods 409 are arranged symmetrically with respect to the central axis of the upright 5. The upright post 5 is internally provided with an internal threaded hole 16 matched with the threaded rod 405, and the lower end of the upright post 5 is provided with two movable holes 17 for accommodating the guide rods 409.

Drive gear 403 is driven to rotate through second motor 404, drive gear 403 is meshed with rotating gear 402, and then rotating gear 402 rotates, so that stand column 5 is driven to rotate, the purpose of rotation adjustment is achieved, then drive gear 407 is driven to rotate through third motor 408, drive gear 407 is meshed with driven gear 406, and threaded rod 405 rotates, threaded rod 405 and stand column 5 are in threaded fit, and meanwhile under the limit of guide rod 409, when threaded rod 405 rotates, stand column 5 can move up and down, and the purpose of adjustment of the lifting height of stand column 5 is achieved.

The three sensors 10 are respectively a displacement sensor 10, an electrical conductivity sensor 10 and a thermal conductivity sensor 10, which are convenient for simultaneously testing different performances.

External atmosphere equipment is vacuum pump, atomizing humidifier or nitrogen cylinder 20, through external different equipment, increases detection device's variety.

The periphery of the turntable 8 is provided with a sealing structure, the outer wall of the sealing structure is matched with the inner wall of the inner chamber 12, the sealing structure is a vacuum dynamic sealing structure, the vacuum sealing structure does not move when the turntable 8 rotates, the vacuum dynamic sealing structure is sleeved on the periphery of the turntable 8, a liquid metal seal is arranged between the vacuum dynamic sealing structure and the turntable 8, the vacuum dynamic sealing structure is an existing structure, and the structural composition of the vacuum dynamic sealing structure is not described herein; through setting up seal structure, when guaranteeing that carousel 8 reachs the up end of interior chamber 12, can seal to interior chamber 12, and carousel 8 does not influence the closure of interior chamber 12 when rotating for interior chamber 12 is in encapsulated situation when detecting, and the test of better keeping test piece in corresponding environmental atmosphere.

An observation window 21 for observing the moving distance of the probe 11 is opened in the side surface of the detection case 1, and the positions of the three probes are observed through the observation window 21. A valve is provided on the gas pipe 19 to control whether the corresponding atmosphere is supplied into the inner chamber 12.

The working process of the detection device comprises the following steps: when the device is used, a sample to be detected is firstly placed into the clamp 14, the clamp 14 is adjusted to fix the sample on the clamp 14, the movement of the rotary lifting mechanism 4 is controlled by the control platform 2, so that the stand column 5 can rotate, the stand column 5 drives the support frame 6 to move, the rotary table 8 moves right above the inner chamber 12, then the stand column 5 of the rotary lifting mechanism 4 is controlled to descend, so that the three probes extend into the inner chamber 12, the rotary table 8 is embedded into the inner chamber 12, after the rotary table 8 is embedded into the inner chamber 12, the inner chamber 12 can be kept airtight, the rotary table 8 is driven to rotate by the first motor 7, the sensor 10 is driven to move, the sensor 10 drives the probes 11 to be just contacted with the surface of the sample to be detected, the same three groups of samples to be detected can be detected simultaneously, and the three performances of the sample can be detected by one-time detection; the three groups of samples to be detected are different, performance data of the three samples to be detected are obtained after the first test is finished, the samples do not need to be taken out after the first test is finished, the first motor 7 can be directly controlled by the control platform 2 to drive the probe 11 to move, so that the detection of different performances of different samples is realized, the detection efficiency is improved to a great extent, and the waste of time for continuously taking out the samples in the traditional detection process is avoided;

after the steps are completed, the current of the coil 13 can be controlled through the control platform 2, the inner chamber 12 is heated, and the inner chamber 12 reaches the preset temperature, so that compared with the traditional performance detection at normal temperature, the device can simulate the use environments under different temperature gradients, and provides the soldering tin performance with more reference significance;

after all the work is finished, the measurement can be started, the test button on the control platform 2 is opened, the data returned by the sensor 10 is processed by the computer arranged in the control platform 2, the obtained soldering tin performance is visually displayed on the display screen, and an operator can select the printing data.

After the position of the probe 11 is adjusted, the rotary disc 8 is embedded into the inner chamber 12 to enable the inner chamber 12 to be placed in a completely closed environment, and besides the heating of the inner chamber 12, a valve can be opened to be vacuumized through a vacuum pump to simulate the actual use pressure; or the actual use humidity is simulated by the atomization humidifier; the nitrogen bottle 20 can be communicated with the air inlet, or other air can be introduced into the air inlet to simulate the air atmosphere in different use environments.

The detection device of the utility model can simulate different use environments and use temperatures, provides soldering tin performance parameters with reference significance, directly tests the performance parameters of soldering tin raw materials such as soldering tin wires, soldering tin balls and soldering tin bars, and avoids the influence of unknown factors in the welding process; the three same samples to be tested or three different test samples of group can be measured simultaneously, the efficiency is improved, when three same samples to be tested of group are tested, the three same test samples to be tested can be tested by testing the three sensors once, three parameters of the samples can be obtained at one time, and when three different samples to be tested of group are measured, because of the three different sensors, the three groups of samples to be tested at the first position do not need to be prepared repeatedly after the test is finished, the position of the probe can be directly adjusted, the test of three groups of samples to be tested at the next position is finished, until the test of three parameters of each group of samples to be tested is finished, and a large amount of time is saved.

The embodiments of the present invention disclosed above are intended to be merely illustrative. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application.

Claims

1. The utility model provides a real service environment's of simulation soldering tin performance detection device which characterized in that: the device comprises a detection box body (1), wherein a control platform (2) is arranged on one side of the detection box body (1), a side shell (3) is connected to the other side of the detection box body (1), a rotary lifting mechanism (4) is connected to the inside of the side shell (3), an upright post (5) is connected to the upper end of the rotary lifting mechanism (4), the upper end of the upright post (5) extends to the outside of the side shell (3) in a penetrating manner, one end of a support frame (6) is sleeved on the upper end of the upright post (5), the other end of the support frame (6) is connected with a first motor (7), an output shaft of the first motor (7) is connected with a turntable (8) positioned below the support frame (6), three connecting rods (9) are uniformly arranged on the lower end face of the turntable (8) along the circumferential direction, the tail end of each connecting rod (9) is connected with a sensor (10), and the lower end of each sensor (10) is connected with a probe (11);

an inner chamber (12) is formed in the upper end of the detection box body (1), an upper end opening of the inner chamber (12) is matched with the rotary table (8), an electric heating coil (13) is wound outside the inner chamber (12), three clamps (14) are arranged below the inner chamber (12), the clamps (14) are used for clamping a piece to be detected, the control platform (2) is electrically connected with the electric heating coil (13), the three sensors (10) are electrically connected with the control platform (2), and the first motor (7) and the rotary lifting mechanism (4) are electrically connected with the control platform (2);

the rotary lifting mechanism (4) drives the support frame (6) to rotate the rotary table (8) to just face the upper end opening of the inner chamber (12), the rotary lifting mechanism (4) drives the probe (11) to extend into the inner chamber (12), and the rotary table (8) seals the upper end opening of the inner chamber (12); when three probe (11) stretched into in inner chamber (12), driven carousel (8) through first motor (7) and rotated and make three probe (11) and three anchor clamps (14) position one-to-one, external connecting hole (15) with inner chamber (12) intercommunication are seted up to detection box (1) one side, external connecting hole (15) are connected with trachea (19), trachea (19) are connected with external atmosphere equipment.

2. A solder performance testing apparatus simulating a real use environment according to claim 1, wherein: the rotary lifting mechanism (4) comprises a connecting shaft (401) rotatably connected with the inner lower end face of the side shell (3), a rotating gear (402) is connected to the upper end of the connecting shaft (401), a transmission gear (403) is meshed on one side of the rotating gear (402), a second motor (404) is connected to the lower end face of the transmission gear (403), the second motor (404) is connected with the inner lower end face of the side shell (3), a threaded rod (405) is rotatably connected to the middle of the upper end of the rotating gear (402), the threaded rod (405) is connected with an inner thread of the upright column (5), a driven gear (406) is sleeved on the lower portion of the threaded rod (405), one end of the driven gear (406) is meshed with a driving gear (407), the lower end of the driving gear (407) is connected with a third motor (408), the third motor (408) is arranged on the upper end face of the rotating gear (402), and a guide assembly used for guiding the upright column (5) to move up and down is arranged on the upright column (5).

3. A solder performance testing apparatus simulating a real use environment according to claim 2, wherein: the guide assembly comprises two guide rods (409) which are arranged in parallel, the upper end of each guide rod (409) extends into the side wall of the upright post (5), and the lower end of each guide rod is connected with the rotating gear (402).

4. A solder performance testing apparatus according to claim 3, wherein the apparatus further comprises: the two guide rods (409) are arranged symmetrically relative to the central axis of the upright (5).

5. A solder performance testing apparatus according to claim 3, wherein the apparatus further comprises: the internal thread hole (16) matched with the threaded rod (405) is formed in the upright column (5), and two movable holes (17) for accommodating the guide rods (409) are formed in the lower end of the upright column (5).

6. A solder performance testing apparatus simulating a real use environment according to claim 1, wherein: the three sensors (10) are respectively a displacement sensor (10), an electric conductivity sensor (10) and a thermal conductivity sensor (10).

7. A solder performance testing apparatus simulating a real use environment according to claim 1, wherein: the external atmosphere equipment is a vacuum pump, an atomization humidifier or a nitrogen cylinder (20).

8. A solder performance testing apparatus simulating a real use environment according to claim 1, wherein: and a sealing structure is arranged on the periphery of the turntable (8), and the sealing structure is matched with the inner wall of the inner chamber (12).

9. A solder performance testing apparatus simulating a real use environment according to claim 1, wherein: an observation window (21) for observing the moving distance of the probe (11) is arranged on the side surface of the detection box body (1).

10. A solder performance testing apparatus simulating an actual use environment according to any one of claims 1 to 9, wherein: a valve is arranged on the air pipe (19).