CN210834980U

CN210834980U - Novel test equipment

Info

Publication number: CN210834980U
Application number: CN201921370019.XU
Authority: CN
Inventors: 罗祝良; 郗旭斌
Original assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Current assignee: Intelligent Automation Equipment Zhuhai Co Ltd; Intelligent Automation Zhuhai Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-23
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a novel test equipment aims at providing the product upgrading of being convenient for that lower needle density is big, the precision is high and maintains and the better novel test equipment of economic nature. The utility model discloses an equipment body, drawer and clamp plate, the drawer slides and sets up at equipment originally internally, the inboard on equipment body's both sides all is provided with down the push down device, the both ends of clamp plate are connected with the push down device that corresponds respectively and are located the top of drawer, be provided with on the drawer with clamp plate matched with PCBA board test component, PCBA board test component is including the support plate that from top to bottom sets gradually, the faller, WIB board and SIB board, support plate and WIB board all cooperate with the faller, WIB board and SIB board cooperate, during the test, the PCBA board that awaits measuring is placed on the support plate, push down device pushes down, the upper end of the probe on the faller is passed the support plate and is contacted with the PCBA board, the lower extreme and the WIB. The utility model discloses can be applied to check out test set's technical field.

Description

Novel test equipment

Technical Field

The utility model discloses can be applied to check out test set's technical field relates to a novel test equipment.

Background

Function type test smelting tool: PCBA function test equipment. The test object is a PCBA circuit board, and corresponding tests are carried out by taking the probe as a contact medium of the PCBA board and an external circuit, wherein the test object comprises voltage, current, power factors, frequency and duty ratio; code scanning reading, character recognition and voice recognition; temperature measurement, pressure measurement, motion control, FLASH and EEPROM burning, and the like.

And (3) probe: and the contact medium of the electric test realizes the communication between the external circuit and the target PCBA board. The probes include test probes, semiconductor probes, ICT probes, high frequency probes, high current probes, battery contact probes, and the like.

And the wireless interface board is connected with the tail part of the probe and used for receiving the signal collected by the probe from the test PCBA board without any signal processing or function test.

The signal interface board processes and tests signals transmitted from the WIB and comprises a main external test function board card.

The lower needle type structure is widely applied to PCBA test fixtures and generally comprises a pressing plate, a support plate, a tray, an in-out drawer, a needle plate and a test board card from top to bottom. The pressing plate (comprising a pressing rod and an upper end test probe) is fixed on the uppermost part of the clamp and is driven by the cylinder to ascend and descend in the vertical direction. The support plate is arranged below the pressing plate, the support plate and the PCBA plate inlet and outlet clamp are carried on the drawer inlet and outlet tray, the support plate can float up and down, PCBA products can ascend and descend along with the pressing plate, meanwhile, the support plate is provided with a pin guide hole, and a probe on the lower layer of pin plate can penetrate through the test point where the pressing plate contacts the PCBA plate. A pin plate is arranged below the carrier plate for holding probes, the positions of which are dependent on the test PCBA board itself and the test point arrangement. The lower layer of the needle plate is a test board card, a test point is reserved on the upper surface of the test board card and is contacted with the tail part of the probe, the test point on the test board card, the probe and the test point on the test PCBA are in one-to-one correspondence, and the test board card receives a signal collected by the probe from the test PCBA and performs signal processing and testing.

In the existing test equipment, a needle plate and a test board card are integrally fixed in a fixture and cannot move, and in order to ensure that a carrier plate entering and exiting from a drawer and a PCBA product enter and exit the fixture, a large gap is reserved between the needle plate and a drawer tray to prevent the drawer from impacting a probe on the needle plate when entering and exiting; the structure needle plate is separated from the support plate on the drawer tray, a larger gap is reserved between the needle plate and the drawer tray, in order to enable the probes on the needle plate to smoothly pass through the guide pin holes of the support plate, the diameter of each guide pin hole is larger than that of a needle head of each probe by 0.1-0.12 mm, so that the spacing distance between adjacent probes is increased, and high-density and high-precision needle inserting of the PCBA plate is not facilitated; because the test points of the test board card, the probes and the test PCBA test points are in one-to-one correspondence, the test board card and the needle plate need to be rearranged and produced due to the upgrade of the product and cannot be reused, so that the PCBA clamp has high production cost, long production period and poor economy; the needle plate and the test board card are integrally fixed inside the clamp, so that the product is difficult to upgrade and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a needle density is big down, the high novel test equipment that product upgrading and maintenance and economic nature are better of being convenient for of precision.

The utility model adopts the technical proposal that: the utility model discloses an equipment body, drawer and clamp plate, the drawer slides and sets up this internal of equipment, the inboard on equipment body's both sides all is provided with down the push down device, the both ends of clamp plate respectively with correspond down the push down device is connected and is located the top of drawer, be provided with on the drawer with clamp plate matched with PCBA board test component, PCBA board test component is including support plate, faller, WIB board and the SIB board that from top to bottom sets gradually, the support plate with the WIB board all with the faller cooperatees, the WIB board with the SIB board cooperatees, and during the test, the PCBA board that awaits measuring is placed on the support plate, push down the device and push down, the upper end of the probe on the faller is passed support plate and PCBA board contact, the lower extreme of probe with the WIB board contact.

Further, the bottom side of the equipment body is provided with a bottom plate, the left side of the bottom plate is provided with a left horizontal driving mechanism, the right side of the bottom plate is provided with a right horizontal driving mechanism, the left side surface of the drawer is provided with a left sliding block matched with the left horizontal driving mechanism, the right side surface of the drawer is provided with a right sliding block matched with the right horizontal driving mechanism, the left sliding block is arranged on the left horizontal driving mechanism in a sliding mode, and the right sliding block is arranged on the right horizontal driving mechanism in a sliding mode.

Furthermore, the left side and the right side of the bottom plate are both provided with an alignment interlocking protection mechanism, the left side and the right side of the drawer are both provided with contact blocks matched with the alignment interlocking protection mechanism, and the alignment interlocking protection mechanism is matched with the pressing device.

Further, the pressing device comprises a supporting piece and a lifting cylinder, a groove is formed in the middle of the supporting piece, the lifting cylinder is arranged on the groove and matched with the supporting piece, a connecting block is arranged on the output end of the lifting cylinder, and the connecting block is matched with the pressing plate.

Furthermore, the rear side of bottom plate is provided with the electromagnetic lock, the electromagnetic lock with the drawer cooperatees.

Furthermore, the rear side of bottom plate still is provided with two buffers, two the buffer all with the drawer cooperatees, the electromagnetic lock is located two between the buffer.

Further, a display panel is arranged on the front side of the equipment body.

Further, the front side of drawer still is provided with the drawer panel, the drawer panel with the front side looks adaptation of equipment body, still be provided with the drawer handle on the drawer panel.

Further, the upside, the left side, the right side and the rear side of equipment body all are provided with outer panel beating, on the left outside and the right outside of equipment body outer panel beating all is provided with the side handle.

Further, the upside of equipment body still be provided with a plurality of bleeder vents and handle position on the outer panel beating.

The utility model has the advantages that: because the utility model discloses structurally adopted including equipment body, drawer and clamp plate, the drawer slides and sets up this internal of equipment, the inboard on equipment body's both sides all is provided with pushes down the device, the both ends of clamp plate respectively with correspond push down the device is connected and is located the top of drawer, be provided with on the drawer with clamp plate matched with PCBA board test component, PCBA board test component is including support plate, faller, WIB board and the SIB board that from top to bottom sets gradually, the support plate with the WIB board all with the faller cooperatees, the WIB board with the SIB board cooperatees, and during the test, PCBA board is placed to be awaited measuring on the support plate, the push down the device pushes down, the upper end of the probe on the faller passes support plate and PCBA board contact, the lower extreme of probe with the WIB board contact. Compared with the closest prior art, the utility model has the following advantages: the PCBA board testing component of the utility model adopts an integrated structure, the probe on the needle plate is embedded into the support plate, the probe is not separated from the support plate, the influence on the interval of the probe caused by the overlarge guide hole is avoided, and the probe has large density and high precision; the PCBA board testing component is arranged on the drawer capable of being pulled out by adopting a drawer type structure, so that the PCBA board testing component can be very convenient to replace or maintain when the testing component needs to be replaced or maintained; the PCBA board test assembly adopts a WIB board and an SIB board, the WIB board is connected with the tail of the probe, the signal collected by the probe from the test PCBA board is received, the SIB board is butted with the WIB board through a high-speed connector and is not directly connected with the test PCBA board, so that the test point on the test PCBA product does not have a position corresponding relation, when the test PCBA product is upgraded, only the WIB board butted with the probe needs to be replaced, the SIB board can be repeatedly used, the production cost and the manufacturing period are greatly reduced, and the economy is better.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the drawer of the present invention when it is pulled open;

fig. 3 is an exploded schematic view of the three-dimensional structure of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is an enlarged view of B in FIG. 3;

fig. 6 is a schematic perspective view of the pressing device of the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the utility model after the installation of the outer metal plate;

fig. 8 is an exploded view of the drawer and the components mounted on the drawer according to the present invention.

Detailed Description

As shown in fig. 1 to 8, in this embodiment, the present invention includes an apparatus body 1, a drawer 2 and a pressing plate 3, wherein the drawer 2 is slidably disposed in the apparatus body 1, the inner sides of two sides of the apparatus body 1 are respectively provided with a pressing device 30, two ends of the pressing plate 3 are respectively connected to the corresponding pressing devices 30 and located above the drawer 2, the drawer 2 is provided with a PCBA plate testing assembly matched with the pressing plate 3, the PCBA plate testing assembly includes a support plate 4, a needle plate 5, a WIB plate 6 and a SIB plate 7 sequentially arranged from top to bottom, the support plate 4 and the WIB plate 6 are matched with the needle plate 5, the WIB plate 6 is matched with the SIB plate 7, during testing, the PCBA plate to be tested is placed on the support plate 4, the pressing device 30 presses down, the upper ends of probes on the needle plate 5 pass through the support plate 4 and contact the PCBA plate, the lower end of the probe is in contact with the WIB board 6. The structure is provided with a drawer type structure, the drawer 2 can be drawn back and forth in the equipment body 1, the press plate 3 is arranged on the two pressing devices 30, the press plate 3 is positioned above the drawer 2, the drawer 2 is provided with a PCBA (printed Circuit Board Assembly) which is composed of a support plate 4, a needle plate 5, a WIB (Wireless Fidelity) plate 6 and an SIB (silicon dioxide Module) plate 7, an integrated structure is adopted, the probes on the needle plate 5 are embedded into the support plate 4 and penetrate through the support plate 4 to be contacted with the PCBA test plate when being pressed down, the probes are not separated from the support plate 4, and the influence on the intervals of the probes due to overlarge guide holes is avoided; the carrier plate 4 is provided with a groove matched with a product to be detected, so that the product can be conveniently placed; when the test component needs to be replaced, the drawer 2 only needs to be pulled out, and then the component to be replaced is detached, so that convenience is brought to replacement or maintenance; the PCBA board test assembly adopts a WIB board and an SIB board, the WIB board is connected with the tail of the probe, the signal collected by the probe from the test PCBA board is received, the SIB board is butted with the WIB board through a high-speed connector and is not directly connected with the test PCBA board, so that the test point on the test PCBA product does not have a position corresponding relation, when the test PCBA product is upgraded, only the WIB board butted with the probe needs to be replaced, the SIB board can be repeatedly used, the production cost and the manufacturing period are greatly reduced, and the economy is better.

In this embodiment, the bottom side of equipment body 1 is provided with bottom plate 8, the left side of bottom plate 8 is provided with left horizontal drive mechanism 9, the right side of bottom plate 8 is provided with right horizontal drive mechanism 10, be provided with two slide rails 11 on the downside of drawer 2 side by side, every all slide on the slide rail 11 be provided with the slider 12 of slide rail 11 looks adaptation, slider 12 with bottom plate 8 is connected, left side horizontal drive mechanism 9 with right horizontal drive mechanism 10 all with drawer 2 cooperatees. The left horizontal driving mechanism 9 and the right horizontal driving mechanism 10 are provided with driving devices, the drawer 2 is arranged on the bottom plate 8 in a sliding mode through a sliding rail 11 and matched with the left horizontal driving mechanism 9 and the right horizontal driving mechanism 10 to realize automatic movement, and in addition, the drawer can be pulled out or pushed in manually; the whole equipment is prepared with two working modes, a manual push-pull mode is adopted for the in-and-out of the drawer 2 in the small-batch production stage of product sampling, and the equipment can be switched to an automatic mode for driving the in-and-out of the drawer by the air cylinder in the large-batch production stage.

In this embodiment, the left side and the right side of the bottom plate 8 are both provided with an alignment interlock protection mechanism 13, the left side and the right side of the drawer 2 are both provided with a contact block 14 matched with the alignment interlock protection mechanism 13, and the alignment interlock protection mechanism 13 is matched with the pressing device 30. The contact block 14 is matched with the alignment interlocking protection mechanism 13, when the drawer 2 is pushed in place, the pressing plate 3 and a product to be tested are aligned at the same time, the contact block 14 just triggers and unlocks the alignment interlocking protection mechanism 13, the alignment interlocking protection mechanism 13 does not limit the action of the pressing device 30 any more, and then the pressing device 30 acts to drive the pressing plate 3 to press down, so that the test is completed; when the product to be tested is not in alignment, the contact block 14 cannot trigger the alignment interlocking protection mechanism 13, the alignment interlocking protection mechanism 13 still keeps a locking state, the pressing device 30 is limited, the pressing device 30 cannot act, the pressing plate 3 cannot be pressed down, and the product to be tested is prevented from being damaged by pressure; the middle position function of the electromagnetic valve is generally adopted in the existing testing equipment to seal the inlet and the outlet of the vertical driving cylinder, so that the pressing plate is prevented from pressing and damaging products in a non-alignment state, but the risk that the pressing plate abnormally presses and damages the products is still caused due to the compressibility of gas and leakage of a gas circuit in a power-off state of the electromagnetic valve. The utility model discloses the counterpoint interlocking structure who adopts has dealt with this problem well.

In this embodiment, the pressing device 30 includes a supporting member 31 and a lifting cylinder 32, a groove 33 is disposed in the middle of the supporting member 31, the lifting cylinder 32 is disposed on the groove 33 and is matched with the supporting member 31, a connecting block 34 is disposed on the output end of the lifting cylinder 32, and the connecting block 34 is matched with the pressing plate 3. The whole structure of the pressing device 30 is simple and compact, the whole height can be freely adjusted, the height adjustment is realized by the direct action of the lifting cylinder 32, and the space is saved.

In this embodiment, an electromagnetic lock 15 is disposed at the rear side of the bottom plate 8, and the electromagnetic lock 15 is engaged with the drawer 2. Set up electromagnetic lock 15 and can advance to target in place at drawer 2, die with drawer 2 lock when clamp plate 3 accomplishes counterpoint with the product that awaits measuring, guarantee that clamp plate 3 is under the stable state of drawer 2 on the way pushing down for the test goes on smoothly.

In this embodiment, two buffers 16 are further disposed on the rear side of the bottom plate 8, both the buffers 16 are matched with the drawer 2, and the electromagnetic lock 15 is located between the two buffers 16. The buffer 16 can reduce the impact force when the drawer 2 is impacted due to too high speed, prevent the product to be tested from shifting, and improve the stability.

In the present embodiment, the front side of the apparatus body 1 is provided with a display panel 17. The display panel 17 may be arranged to convey the progress of the test or the results of the test so that the operator can react and process in a timely manner.

In this embodiment, a drawer panel 18 is further disposed on the front side of the drawer 2, the drawer panel 18 is adapted to the front side of the device body 1, and a drawer handle 19 is further disposed on the drawer panel 18. Drawer panel 18 and drawer 2's front side are fixed mutually, and its shape, size and the cooperation of the front side of equipment body, drawer handle 19 can be more conveniently manual pull out drawer 2 and push in, paste the difference and be in the production stage of drawing a design, can give the operator very big supplementary.

In this embodiment, the upper side, the left side, the right side and the rear side of the device body 1 are provided with outer metal plates 20, and the outer metal plates 20 on the left outer side and the right outer side of the device body 1 are provided with side handles 21. The arrangement of the outer metal plate 20 can protect the whole structure, reduce the influence of external factors on the structure and ensure that the structure is more attractive in appearance; the side handle 21 can provide a stress point during carrying, and can be carried conveniently.

In this embodiment, the outer metal plate 20 on the upper side of the device body 1 is further provided with a plurality of air holes 22 and a handle position 23. The air holes 22 can play a role in heat dissipation, the handle position can additionally provide a stress point when needed, and the outer side metal plate 20 on the upper side can be taken out more conveniently during disassembly and assembly.

Furthermore, the utility model discloses wholly be flat quick-witted case formula structure, can put a plurality of mechanisms simultaneously on a rack, save space and can realize many batches, the test work of wholesale.

The utility model discloses a working process is:

the working process of the manual mode test equipment comprises the following steps:

an operator manually pushes the drawer 2 to the right position, and the alignment interlocking protection mechanism 13 is automatically opened after being triggered; a position induction switch arranged on the equipment body 1 induces an in-place signal of the drawer 2, and firstly triggers the electromagnetic lock 15 to be electrified to lock and fix the drawer 2; after the time delay, the pressing device 30 is triggered to drive the pressing plate 3 to press downwards; the PCBA board testing component is used for placing a needle on a product to be tested and testing the product; after the test is finished, the control center gives a test finishing signal to trigger the pressing device 30 to drive the pressing plate to ascend; after time delay, the electromagnetic lock 15 is triggered to be powered off, and an operator can manually pull out the drawer 2 to finish the test.

The working process of the automatic mode test equipment comprises the following steps:

the control computer gives a starting test signal, the right horizontal driving pneumatic mechanism 10 and the left horizontal driving pneumatic mechanism 9 automatically push the drawer 2 to the right position, and the alignment interlocking protection mechanism 13 is automatically opened after being triggered; a position sensing switch arranged on the equipment body 1 senses the in-place signal of the drawer 2, and triggers the pressing device 30 to drive the pressing plate 3 to press downwards after time delay; the PCBA board testing component is used for placing a needle on a product to be tested and testing the product; after the test is finished, the control center gives a finished test signal to trigger the pressing device 30 to drive the pressing plate 3 to ascend; after the time delay, the right horizontal driving pneumatic mechanism 10 and the left horizontal driving pneumatic mechanism 11 are triggered to automatically push the drawer 2 out of the test equipment, and the test is completed.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. A novel test device is characterized in that: comprises an equipment body (1), a drawer (2) and a pressing plate (3), wherein the drawer (2) is arranged in the equipment body (1) in a sliding manner, the inner sides of the two sides of the equipment body (1) are respectively provided with a pressing device (30), the two ends of the pressing plate (3) are respectively connected with the corresponding pressing devices (30) and are positioned above the drawer (2), the drawer (2) is provided with a PCBA plate testing component matched with the pressing plate (3), the PCBA plate testing component comprises a support plate (4), a needle plate (5), a WIB plate (6) and an SIB plate (7) which are sequentially arranged from top to bottom, the support plate (4) and the WIB plate (6) are matched with the needle plate (5), the WIB plate (6) is matched with the SIB plate (7), during testing, the PCBA plate to be tested is placed on the support plate (4), and the pressing devices (30) are pressed downwards, the upper ends of the probes on the needle plate (5) penetrate through the carrier plate (4) to be in contact with the PCBA, and the lower ends of the probes are in contact with the WIB board (6).

2. The novel test apparatus of claim 1, wherein: the bottom side of equipment body (1) is provided with bottom plate (8), the left side of bottom plate (8) is provided with left horizontal drive mechanism (9), the right side of bottom plate (8) is provided with right horizontal drive mechanism (10), be provided with two slide rails (11) on the downside of drawer (2) side by side, every all slide on slide rail (11) be provided with slide rail (11) looks adaptation's slider (12), slider (12) with bottom plate (8) are connected, left side horizontal drive mechanism (9) with right horizontal drive mechanism (10) all with drawer (2) cooperate.

3. The novel test apparatus of claim 2, wherein: the left side and the right side of the bottom plate (8) are provided with alignment interlocking protection mechanisms (13), the left side and the right side of the drawer (2) are provided with contact blocks (14) matched with the alignment interlocking protection mechanisms (13), and the alignment interlocking protection mechanisms (13) are matched with the pressing device (30).

4. A novel test apparatus as claimed in claim 3, wherein: the pressing device (30) comprises a supporting piece (31) and a lifting cylinder (32), a groove (33) is formed in the middle of the supporting piece (31), the lifting cylinder (32) is arranged on the groove (33) and matched with the supporting piece (31), a connecting block (34) is arranged at the output end of the lifting cylinder (32), and the connecting block (34) is matched with the pressing plate (3).

5. A novel test apparatus as claimed in claim 3, wherein: the rear side of the bottom plate (8) is provided with an electromagnetic lock (15), and the electromagnetic lock (15) is matched with the drawer (2).

6. The novel test apparatus of claim 5, wherein: the rear side of the bottom plate (8) is also provided with two buffers (16), the two buffers (16) are matched with the drawer (2), and the electromagnetic lock (15) is positioned between the two buffers (16).

7. The novel test apparatus of claim 1, wherein: the front side of the equipment body (1) is provided with a display panel (17).

8. The novel test apparatus of claim 1, wherein: the front side of the drawer (2) is further provided with a drawer panel (18), the drawer panel (18) is matched with the front side of the equipment body (1), and a drawer handle (19) is further arranged on the drawer panel (18).

9. The novel test apparatus of claim 1, wherein: upside, left side, right side and the rear side of equipment body (1) all are provided with outer panel beating (20), on the left outside and the right outside of equipment body (1) outer panel beating (20) all are provided with side handle (21).

10. The novel test apparatus of claim 9, wherein: the outer metal plate (20) on the upper side of the equipment body (1) is further provided with a plurality of air holes (22) and a handle position (23).