CN210450221U

CN210450221U - Cleaning device for chip push-pull force tester

Info

Publication number: CN210450221U
Application number: CN201921175413.8U
Authority: CN
Inventors: 刘召满
Original assignee: Chengdu Hanxin Guoke Integrated Technology Co ltd
Current assignee: Chengdu Hanxin Guoke Integrated Technology Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-05
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a cleaning device for be used for chip push-and-pull force tester belongs to push-and-pull force tester technical field, has solved chip push-and-pull force tester and can lead to insufficient, the unsafe problem of test data of measuring accuracy because of the influence of dust granule at the during operation, the utility model discloses a base, work platform is installed to the base top, the last brace table that is connected with of work platform, a plurality of ventilation bars mouths have all been seted up to the surface of base and the junction between base and the workstation, install cleaning device in the base, cleaning device includes dust absorption dish and air exhauster, dust absorption dish and air exhauster intercommunication, the dust screen is installed to the air intake of air exhauster, and the air outlet and the outer intercommunication of base of air exhauster. The utility model discloses push-pull force tester measurement accuracy has effectively been improved.

Description

Cleaning device for chip push-pull force tester

Technical Field

The utility model belongs to the technical field of the chip test, concretely relates to a cleaning device for chip push-and-pull force tester.

Background

The push-pull force tester is a special dynamic test instrument used in the fields of microelectronic packaging, PCBA electronic assembly manufacturing and failure analysis, is an important instrument and equipment in the fields of microelectronic and electronic manufacturing, is suitable for the fields of semiconductor IC packaging test, LED packaging test, optoelectronic device packaging test, PCBA electronic assembly test, automotive electronics, aerospace and the like, and can also be used in the fields of failure analysis of various electronic analysis and research units and teaching and research of various colleges.

The chip push-pull force tester can test the push force and the pull force of a chip to test whether the chip is easy to generate chip fracture and other abnormalities, is an indispensable reliability test for a chip product, directly influences the yield of a packaged product and the use experience effect of a client, does not allow any dust and impurities to be packaged together in the packaging process for a precise chip, can cause the fixation and sealing of the chip package to be influenced if more dust exists in air in a workshop of operation and easily settles on the chip and a plate, can influence the electronic performance of the chip seriously and even lead to pin short circuit and the like to cause the defective rate of the product to be greatly improved, is also a precise instrument, and requires a test environment to meet certain dust-free requirements when the push-pull force test is carried out to prevent dust particles from influencing the test, thereby destroying the true validity of the test data and causing production and manufacturing losses. Therefore, the cleaning device of the chip push-pull force tester is the key point of improvement. On the other hand, the chip push-pull force tester requires the stability of the test environment in the test process, and can not shake or vibrate, otherwise, the experimental data has larger deviation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a:

the cleaning device for the chip push-pull force tester is provided for solving the problems that the chip push-pull force tester is insufficient in testing precision and inaccurate in testing data due to the influence of dust particles during working.

The utility model adopts the technical scheme as follows:

the utility model provides a cleaning device for be used for chip push-and-pull force tester, includes the base, work platform is installed to the base top, the last brace table that is connected with of work platform, the brace table is connected with the test head, a serial communication port, a plurality of ventilation bars mouths have all been seted up to the junction between the surface of base and the workstation, installs cleaning device in the base, cleaning device includes dust absorption dish and air exhauster, dust absorption dish and air exhauster intercommunication, the dust screen is installed to the air intake of air exhauster, and the air outlet and the outer intercommunication of base of air exhauster.

Further, the bottom of base is connected with the base stabilizer blade, the base stabilizer blade is connected with the buffer beam who stretches into in the base, the cover is equipped with damping spring on the buffer beam, damping spring's both ends are connected with base bottom and base stabilizer blade respectively, be connected with the spacing ring on the base inner wall, the buffer beam passes the inside of spacing ring.

Further, cleaning device still includes the shell, install the dust absorption dish on the shell, be connected with a plurality of suction nozzles on the dust absorption dish, be connected with concentrated tuber pipe between dust absorption dish and the shell, the suction nozzle all with concentrate the tuber pipe intercommunication, concentrate the tuber pipe intercommunication and have the dust removal inner shell that is located the shell, install the baffling board with the opening below of concentrating the tuber pipe and being connected on the inner wall of dust removal inner shell, still cross connection has a plurality of levels to arrange the dust absorption board on the inner wall of dust removal inner shell, the dust absorption board coats and is stamped the dust absorption sponge, bottom installation dirt filtrating screen in the dust removal inner shell, dirt filtrating screen intercommunication air exhauster, the bottom between shell and the dust removal inner shell is installed to the air exhauster.

Further, all articulated being connected between dust absorption board and the dust removal inner shell, the dust absorption board all is connected with shock dynamo, shock dynamo is located between shell and the dust removal inner shell, and shock dynamo is connected in the articulated department of dust absorption board.

Furthermore, a clamping port is formed in one of the dust collection plate close to the bottom of the dust removal inner shell, a fan isolation plate matched with the clamping port is installed at the bottom of the dust removal inner shell, and the fan isolation plate is hinged to the dust removal inner shell.

Furthermore, the bottom of the inner dedusting shell is also provided with a sliding door plate, the bottom of the inner shell below the sliding door plate is provided with a dust collection box, and the dust collection box is in a cone shape.

Further, install the safety maintenance door on the shell, the fan is connected with out the tuber pipe.

The working process of the utility model is as follows:

the utility model discloses a design a plurality of ventilation bars mouths in the base, and utilize cleaning device to carry out the large tracts of land dust absorption, remove the dust in the tester surrounding environment, hide cleaning device in the base, can avoid influencing the operation on the workstation, base stabilizer blade department has set up damping spring, with the buffer beam cooperation, when vibrations conduction is to the tester organism on, at first absorbed by damping spring, thereby damping spring warp and makes buffer beam and base be relative motion, thereby absorb this part vibrations, avoid causing the influence to the test, the spacing ring can restrict the relative motion direction of buffer beam, avoid the base to rock on the horizontal direction.

The utility model discloses a cleaning device design has a large tracts of land dust absorption dish, installs a plurality of suction nozzles on it, and the air-breathing volume is big, applicable great space in the workshop, and the air exhauster starts the back, and the air enters into the dust removal inner shell from the suction nozzle, contacts with each dust absorption board one by one under the effect of baffling board, and the dust is inhaled by the pore on the dust absorption sponge, and the air after the dust removal filters via the air exhauster through the dirt filtrating screen again, reaches the effect of dust removal. When the dust absorption sponge on the dust absorption board has absorbed more dust particles and is close to the saturation, can rotate each dust absorption board to the slope downwards, open the slip door plant, rotate fan isolation integrated circuit board and connect on the joint mouth to open shock dynamo, wear the vibration to the dust absorption board on, discharge the dust in the dust absorption sponge and fall into the dust collecting box and collect, and clear up through the safety maintenance door, guarantee that the device can long-term operation.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a ventilation bars mouth and cleaning device clean the surrounding environment of tester, hide cleaning device in the organism ingeniously, will fall to minimumly to the influence of tester workstation, have avoided the precision of influence test, can all collect the dust to conveniently carry out centralized processing in the cleaning device simultaneously, avoid the dust to raise and pollute the environment again, and the in-service use is effectual.

2. The utility model discloses a damping spring and buffer beam cooperation, when vibrations conduction to tester organism on, at first absorbed by damping spring, thereby damping spring warp and makes buffer beam and base be relative motion to absorb this part vibrations, avoid causing the influence to the test, the relative motion direction of buffer beam can be restricted to the spacing ring, avoids the base to rock on the horizontal direction, has improved the stability of tester by a wide margin, makes the operation more steady, and the measuring accuracy is higher.

3. The utility model discloses a dust absorption dish of large tracts of land inhales with a plurality of suction nozzles, and the airflow is big, has guaranteed that the device can handle the air in the whole workshop, installs a plurality of dust absorption boards in the dust removal inner shell, absorbs the dust granule through the dust absorption sponge contact on air and dust absorption board surface to with dust absorption board staggered arrangement, make the air flow in-process bigger with the area of contact of dust absorption sponge, guaranteed the effect of removing dust.

4. The utility model discloses a shock dynamo can discharge the dust absorption board on the absorptive dust granule through the mode of vibrations for the dust absorption sponge can used repeatedly, has guaranteed the long-term effective operation of device, has prolonged life, has made things convenient for to maintain the clearance.

5. The utility model discloses a joint interface and fan division board can open at shock dynamo and close when collecting the dust, carry out preliminary isolation to the air exhauster, prevent that too much dust from falling into the normal operating that influences the air exhauster in the air exhauster, avoid the air exhauster to be damaged.

6. The utility model discloses a dust collection box can concentrate the collection to vibrations exhaust dust, and the inside dead angle that does not have of box of conical shape makes things convenient for the clearance of dust, and the sliding door board is closed at ordinary times, guarantees the flow volume of air exhauster during operation air, improves dust absorption effect.

7. The safety maintenance door of the utility model facilitates the cleaning of the interior of the dust removing device, and the dust collecting box can be taken out from the interior during operation, thus being simple and convenient.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a block diagram of the present invention;

fig. 2 is a structural view of the cleaning apparatus of fig. 1.

Description of reference numerals:

1-an air inlet nozzle, 2-a dust collection disc, 3-a centralized air pipe, 4-a baffle plate, 5-an outer shell, 6-a dust removal inner shell, 7-a vibration motor, 8-a dust collection plate, 9-a clamping interface, 10-a fan isolation plate, 11-a dust filter screen, 12-an exhaust fan, 13-an air outlet pipe, 14-a dust collection box, 15-a sliding door plate, 16-a safety maintenance door, 17-a cleaning device, 18-a support table, 19-a test head, 20-a working platform, 21-a ventilation grid opening, 22-a limiting ring, 23-a buffer rod, 24-a damping spring, 25-a base support leg and 26-a base.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 and 2.

Example 1

The embodiment as a basis:

the utility model provides a cleaning device 17 for chip pulling and pushing force tester, including base 26, work platform 20 is installed to base 26 top, work platform 20 is last to be connected with a supporting bench 18, supporting bench 18 is connected with test head 19, a serial communication port, a plurality of ventilation bars mouths 21 have all been seted up to the junction between base 26's the surface and base 26 and the workstation, install cleaning device 17 in the base 26, cleaning device 17 includes dust absorption dish 2 and air exhauster 12, dust absorption dish 2 and air exhauster 12 intercommunication, dust screen 11 is installed to the air intake of air exhauster 12, the air outlet of air exhauster 12 communicates with base 26 is outer.

The utility model discloses a ventilation bars mouth 21 and cleaning device 17 clean the surrounding environment of tester, hide cleaning device 17 in the organism ingeniously, will fall to minimumly to the influence of tester workstation, avoided the precision of influence test, can all collect the dust conveniently to carry out centralized processing to cleaning device 17 in simultaneously, avoid the dust to raise and carry out the recontamination to the environment, and the in-service use is effectual.

Example 2

This embodiment focuses on the improvement compared with the above-mentioned embodiment, and the same parts are not repeated, in this embodiment, the bottom of the base 26 is connected with the base supporting leg 25, the base supporting leg 25 is connected with the buffer rod 23 extending into the base 26, the buffer rod 23 is sleeved with the damping spring 24, two ends of the damping spring 24 are respectively connected with the bottom of the base 26 and the base supporting leg 25, the inner wall of the base 26 is connected with the limit ring 22, and the buffer rod 23 passes through the inside of the limit ring 22.

The utility model discloses a damping spring 24 and buffer beam 23 cooperation, when vibrations conduct to the tester organism on, at first absorbed by damping spring 24, thereby damping spring 24 warp and makes buffer beam 23 and base 26 be relative motion, thereby absorb this part vibrations, avoid causing the influence to the test, spacing ring 22 can restrict buffer beam 23's relative motion direction, avoid base 26 to rock on the horizontal direction, the stability of tester has been improved by a wide margin, make the operation more steady, the measuring accuracy is higher.

Example 3

In this embodiment, the cleaning device 17 further includes an outer casing 5, a dust collection tray 2 is mounted on the outer casing 5, a plurality of air inlets 1 are connected to the dust collection tray 2, a centralized air duct 3 is connected between the dust collection tray 2 and the outer casing 5, the air inlets 1 are all communicated with the centralized air duct 3, the centralized air duct 3 is communicated with an inner dust collection casing 6 located in the outer casing 5, a baffle plate 4 is mounted below an opening connected with the centralized air duct 3 on an inner wall of the inner dust collection casing 6, a plurality of horizontally arranged dust collection plates 8 are further connected to the inner wall of the inner dust collection casing 6 in a staggered manner, a dust collection sponge covers the dust collection plates 8, a dust filter net 11 is mounted at the bottom of the inner dust collection casing 6, the dust filter net 11 is communicated with an exhaust fan 12, the exhaust fan 12 is mounted at the bottom of the outer casing 5 and the inner dust collection casing 6, and the dust collection plates 8 and, dust absorption board 8 all is connected with shock dynamo 7, and shock dynamo 7 is located between shell 5 and the dust removal inner shell 6, and shock dynamo 7 is connected in dust absorption board 8's articulated department.

The utility model discloses a large tracts of land dust absorption dish 2 breathes in with a plurality of suction nozzles 1, and the airflow is big, has guaranteed that the device can handle the air in the whole workshop, installs a plurality of dust absorption boards 8 in the dust removal inner shell 6, absorbs the dust granule through the dust absorption sponge contact on air and the 8 surfaces of dust absorption board to with 8 staggered arrangement of dust absorption board, make the air flow in-process bigger with the area of contact of dust absorption sponge, guaranteed the effect of removing dust. The vibrating motor 7 can discharge the dust particles absorbed on the dust collection plate 8 in a vibrating mode, so that the dust collection sponge can be reused, long-term effective operation of the device is guaranteed, the service life is prolonged, and maintenance and cleaning are facilitated.

Example 4

In this embodiment, a clamping interface 9 is formed on one of the dust collection plates 8 near the bottom of the dust collection inner shell 6, a fan isolation plate 10 matched with the clamping interface 9 is installed at the bottom of the dust collection inner shell 6, and the fan isolation plate 10 is hinged to the dust collection inner shell 6; the bottom of the inner dedusting shell 6 is also provided with a sliding door panel 15, the bottom in the outer shell 5 below the sliding door panel 15 is provided with a dust collection box 14, and the dust collection box 14 is in a cone shape; the shell 5 is provided with a safety maintenance door 16, and the fan is connected with an air outlet pipe 13.

The utility model discloses a joint interface 9 and fan division board 10 can open at shock dynamo 7 and close when collecting the dust, carry out preliminary isolation to air exhauster 12, prevent that too much dust from falling into the normal operating that influences air exhauster 12 in air exhauster 12, avoid air exhauster 12 to be damaged. The dust collection box 14 can collect the dust discharged by vibration in a centralized manner, the conical box body is free of dead corners, the dust can be conveniently cleaned, the sliding door plate 15 is closed at ordinary times, the air flow quantity of the exhaust fan 12 during working is guaranteed, and the dust collection effect is improved. The safety maintenance door 16 facilitates the cleaning of the interior of the dust removing device, and the dust collecting box 14 can be taken out from the interior during operation, so that the operation is simple and convenient.

And (3) implementation of a work flow:

the utility model discloses a design a plurality of ventilation bars mouths 21 in base 26, and utilize cleaning device 17 to carry out the large tracts of land dust absorption, remove the dust in the tester surrounding environment, hide cleaning device 17 in base 26, can avoid influencing the operation on the workstation, base stabilizer blade 25 department has set up damping spring 24, with the cooperation of buffer beam 23, when vibrations conduct to the tester organism, at first absorbed by damping spring 24, thereby damping spring 24 warp and make buffer beam 23 and base 26 be relative motion, thereby absorb this part vibrations, avoid causing the influence to the test, spacing ring 22 can restrict the relative motion direction of buffer beam 23, avoid base 26 to rock on the horizontal direction.

The utility model discloses a cleaning device 17 design has a large tracts of land dust absorption dish 2, install a plurality of suction nozzle 1 on it, the air-breathing volume is big, applicable in the workshop great space, air exhauster 12 starts the back, the air enters into dust removal inner shell 6 from suction nozzle 1, contact with each dust absorption board 8 one by one under the effect of baffling board 4, the dust is inhaled by the pore on the dust absorption sponge, the air after the dust removal filters via air exhauster 12 through dirt filtrating screen 11 again, reach the effect of dust removal. When the dust absorption sponge on the dust absorption board 8 has absorbed more dust particles and is close to saturation, each dust absorption board 8 can be rotated to incline downwards, the sliding door plate 15 is opened, the fan isolation board 10 is connected to the clamping port 9 in a clamped mode, the vibration motor 7 is started, vibration is transmitted to the dust absorption boards 8, dust in the dust absorption sponge is discharged and falls into the dust collection box 14 to be collected, the dust collection box is cleaned through the safety maintenance door, and the device can operate for a long time.

Claims

1. The utility model provides a cleaning device for be used for chip push-pull force tester, includes base (26), work platform (20) are installed to base (26) top, be connected with brace table (18) on work platform (20), brace table (18) are connected with test head (19), its characterized in that, a plurality of ventilation bars mouth (21) have all been seted up to the surface of base (26) and the junction between base (26) and the workstation, install cleaning device (17) in base (26), cleaning device (17) are including dust absorption dish (2) and air exhauster (12), dust absorption dish (2) and air exhauster (12) intercommunication, dust screen (11) are installed to the air intake of air exhauster (12), and the air outlet and the base (26) of air exhauster (12) communicate outward.

2. The cleaning device for the chip push-pull force tester is characterized in that a base supporting leg (25) is connected to the bottom of the base (26), the base supporting leg (25) is connected with a buffer rod (23) extending into the base (26), a damping spring (24) is sleeved on the buffer rod (23), two ends of the damping spring (24) are respectively connected with the bottom of the base (26) and the base supporting leg (25), a limiting ring (22) is connected to the inner wall of the base (26), and the buffer rod (23) penetrates through the inside of the limiting ring (22).

3. The cleaning device for the chip push-pull force tester is characterized in that the cleaning device (17) further comprises an outer shell (5), a dust collection disc (2) is installed on the outer shell (5), a plurality of air inlet nozzles (1) are connected to the dust collection disc (2), a centralized air pipe (3) is connected between the dust collection disc (2) and the outer shell (5), the air inlet nozzles (1) are communicated with the centralized air pipe (3), a dust collection inner shell (6) located in the outer shell (5) is communicated with the centralized air pipe (3), a baffle plate (4) is installed below an opening, connected with the centralized air pipe (3), in the inner wall of the dust collection inner shell (6), a plurality of horizontally arranged dust collection plates (8) are further connected in a staggered mode, the dust collection plates (8) are covered with dust collection, and a dust filter net (11) is installed at the bottom in the dust collection inner shell (6), the dust filtering net (11) is communicated with an exhaust fan (12), and the exhaust fan (12) is installed at the bottom between the outer shell (5) and the dust removing inner shell (6).

4. A cleaning device for chip push-pull force tester according to claim 3, characterized in that the housing (5) is installed with a safety maintenance door (16), and the fan is connected with an air outlet pipe (13).

5. The cleaning device for the chip push-pull force tester as claimed in claim 3, wherein the dust suction plate (8) and the dust removal inner shell (6) are hinged together, the dust suction plate (8) is connected with the vibration motor (7), the vibration motor (7) is located between the outer shell (5) and the dust removal inner shell (6), and the vibration motor (7) is connected to the hinged part of the dust suction plate (8).

6. The cleaning device for the chip push-pull force tester as claimed in claim 5, wherein a clamping opening (9) is formed in one of the dust suction plates (8) close to the bottom of the dust removal inner shell (6), a fan isolation plate (10) matched with the clamping opening (9) is installed at the bottom of the dust removal inner shell (6), and the fan isolation plate (10) is hinged to the dust removal inner shell (6).

7. The cleaning device for the chip push-pull force tester as claimed in claim 6, wherein a sliding door panel (15) is further installed at the bottom of the dust-removing inner shell (6), a dust collection box (14) is installed at the bottom inside the outer shell (5) below the sliding door panel (15), and the dust collection box (14) is in a cone shape.