CN213275864U - Pretreatment device for chip detection - Google Patents
Pretreatment device for chip detection Download PDFInfo
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- CN213275864U CN213275864U CN202021868183.6U CN202021868183U CN213275864U CN 213275864 U CN213275864 U CN 213275864U CN 202021868183 U CN202021868183 U CN 202021868183U CN 213275864 U CN213275864 U CN 213275864U
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Abstract
The utility model discloses a preprocessing device for chip detects, the on-line screen storage device comprises a base, four stabilizer blades that are the rectangle and distribute of lower extreme fixedly connected with of base, the upper end of base is equipped with base and spout respectively, the lower extreme of base and the upper end fixed connection of base, sliding connection has the slider in the spout, the slider interpolation is equipped with first screw rod, be threaded connection between first screw rod and the slider, the one end of first screw rod runs through the slider and rotates with the spout inside wall to be connected, the other end of first screw rod runs through the base, be connected for rotating between first screw rod and the base, spout and fixedly connected with supporting shoe are run through to the upper end of slider, be equipped with the installation piece directly over the supporting shoe, the lower extreme of installation piece is equipped with the slot. The utility model discloses a transmission and adjustment mechanism's setting drives the scraper rotation and strikes off the tin ball to the height of adjustable scraper, efficiency is higher, application scope is wider.
Description
Technical Field
The utility model relates to a chip technology field especially relates to a preprocessing device for chip detects.
Background
With the progress of integration technology, the improvement of equipment and the use of deep submicron technology, the integration level of a silicon single chip is continuously improved, the number of I/O pins is sharply increased, the power consumption is increased, and the packaging requirements of integrated circuits are more strict. In order to meet the development requirement of integrated circuits, a new packaging mode, namely ball grid array packaging, is added on the basis of the original packaging variety, and as the chip product of BAG (ball grid array packaging) in the prior art has protruding solder balls on a chip substrate on one side, the distortion and bow values of the chip during testing are deviated due to the influence of the height of the solder balls, the solder balls on the chip substrate need to be removed, and then the chip can be accurately tested. In the prior production, the solder balls on the chip substrate are generally removed by manually scraping with a blade, so that the problems of uneven height and low efficiency of the solder balls and the risk of scraping the chip are caused.
For this reason, the patent numbers are: 201921613399.5, a preprocessing device for chip detection is provided, comprising: the support table, the first screw rod, the tool apron and the push knife … … are arranged, and the tool apron is engaged on the first screw rod. Although the height uniformity of the removed solder balls is realized, so that the accuracy of the follow-up detection of the distortion and bow numerical values of the chip is ensured, the push broach cannot rotate, the solder balls can be removed only in a moving mode, the efficiency is low, the height adjustment cannot be carried out, the height required to be removed cannot be controlled, and the improvement is carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the unable rotation of broach, can only eradicate the tin ball through the mode that removes, efficiency is lower to can't carry out altitude mixture control, the height that uncontrollable needs to eradicate, and the preprocessing device who is used for chip to detect that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pretreatment device for chip detection comprises a base, wherein the lower end of the base is fixedly connected with four support legs which are distributed in a rectangular shape, the upper end of the base is respectively provided with a base and a sliding groove, the lower end of the base is fixedly connected with the upper end of the base, a sliding block is connected in the sliding groove in a sliding manner, a first screw rod is inserted in the sliding block, the first screw rod is in threaded connection with the sliding block, one end of the first screw rod penetrates through the sliding block and is rotatably connected with the inner side wall of the sliding groove, the other end of the first screw rod penetrates through the base, the first screw rod is rotatably connected with the base, the upper end of the sliding block penetrates through the sliding groove and is fixedly connected with a supporting block, an installation block is arranged right above the supporting block, the lower end of the installation block is provided with an insertion groove, a first sliding rod is fixedly connected to the side wall of, the lower end of the second sliding rod penetrates through the slot and is fixedly connected with the upper end of the supporting block, a second screw rod is inserted into the upper end of the mounting block, the second screw rod is in threaded connection with the mounting block, the lower end of the second screw rod penetrates through the mounting block and is rotatably connected with the upper end of the supporting block, a rotating rod is arranged at the upper end of the base, a plurality of scrapers are fixedly connected onto the side wall of the rotating rod, a servo motor is fixedly connected to one side, away from the base, of the mounting block, one end of the rotating rod penetrates through the mounting block and is fixedly connected with the tail end of an output shaft of the servo motor, and the rotating rod is rotatably connected with the mounting block.
Preferably, the lower end of the supporting block is provided with a groove, a ball is arranged in the groove, and the ball abuts against the side wall of the upper end of the base.
Preferably, the first slide bar is sleeved with a spring, and two ends of the spring respectively abut against the side wall of the top end in the slot and the side wall of the upper end of the base.
Preferably, one end of the first screw penetrating through the base is fixedly connected with a first rotating disc.
Preferably, the upper end of the second screw is fixedly connected with a second rotary disc.
Preferably, the lower end of the supporting leg is fixedly connected with a rubber pad.
Has the advantages that:
1. when the device is used, a power supply of a servo motor is firstly switched on, the servo motor is started to drive a rotating rod to rotate, a scraper is driven to rotate through the rotating rod, then the height of the scraper is adjusted, a second screw rod is firstly rotated, the second screw rod drives an installation block to move through the effect of threaded meshing, the position of the scraper is driven to adjust through the installation block, meanwhile, a telescopic mechanism is formed through a first slide rod and a second slide rod, the stability of the installation block during movement is improved, then the first screw rod is rotated, the first screw rod drives a slide block to move through the effect of threaded meshing, a supporting block is driven through the slide block, the supporting block drives the scraper to move through the installation block, and the solder ball is scraped;
2. through the setting of ball, can reduce the resistance when the supporting shoe removes, through the setting of spring, can improve the stability when installation piece removes, through the setting of first carousel, but convenience of customers rotates first screw rod, through the setting of second carousel, can convenience of customers rotate the second screw rod, through the setting of rubber pad, can improve the frictional force between stabilizer blade and the ground, reinforcing overall stability.
Drawings
Fig. 1 is a schematic structural diagram of a preprocessing device for chip detection according to the present invention;
fig. 2 is a schematic top view of a preprocessing apparatus for chip detection according to the present invention;
fig. 3 is a schematic structural diagram of a position a of the preprocessing device for chip detection according to the present invention.
In the figure: 1-a first screw rod, 2-a base, 3-a supporting block, 4-a sliding block, 5-a base, 6-a mounting block, 7-a scraper, 8-a servo motor, 9-a second screw rod, 10-a rotating rod, 11-a first sliding rod and 12-a second sliding rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a pretreatment device for chip detection comprises a base 2, wherein four support legs which are distributed in a rectangular shape are fixedly connected to the lower end of the base 2, rubber pads are fixedly connected to the lower ends of the support legs and used for improving friction between the support legs and the ground and enhancing overall stability, a base 5 and a sliding groove are respectively arranged at the upper end of the base 2, the base 5 is used for preventing a chip body, and the lower end of the base 5 is fixedly connected with the upper end of the base 2;
in the embodiment, a sliding block 4 is slidably connected in the chute and used for driving a supporting block 3 to move, a first screw 1 is inserted into the sliding block 4 and used for driving the sliding block 4 to move, the first screw 1 is in threaded connection with the sliding block 4, one end of the first screw 1 penetrates through the sliding block 4 and is rotatably connected with the inner side wall of the chute, the other end of the first screw 1 penetrates through the base 2, the first screw 1 is rotatably connected with the base 2, one end of the first screw 1 penetrating through the base 2 is fixedly connected with a first turntable and used for facilitating a user to rotate the first screw 1, the upper end of the sliding block 4 penetrates through the chute and is fixedly connected with the supporting block 3 and used for supporting the mounting block 6, a groove is formed in the lower end of the supporting block 3, balls are arranged in the groove and used for reducing resistance when the supporting block;
in this embodiment, a mounting block 6 is disposed directly above the supporting block 3 for mounting a servo motor 8, a slot is disposed at the lower end of the mounting block 6, a first slide bar 11 is fixedly connected to the side wall of the top end in the slot for cooperating with a second slide bar 12 to form a telescopic mechanism for improving the stability of the mounting block 6 during movement, a second slide bar 12 is slidably inserted into the lower end of the first slide bar 11, the lower end of the second slide bar 12 penetrates through the slot and is fixedly connected to the upper end of the supporting block 3, a spring 13 is sleeved on the first slide bar 11 for improving the stability of the mounting block 6 during movement, two ends of the spring 13 respectively abut against the side wall of the top end in the slot and the side wall of the upper end of the base 2, a second screw 9 is inserted into the upper end of the mounting block 6 for driving the mounting block 6 to move, a second rotary table is fixedly connected to the upper end of the second screw 9 for facilitating the user to rotate the second screw 9, the lower end of the second screw 9 penetrates through the mounting block 6 and is rotatably connected with the upper end of the supporting block 3;
in the embodiment, the upper end of the base 5 is provided with a rotating rod 10 for driving the scrapers 7 to rotate, the side wall of the rotating rod 10 is fixedly connected with a plurality of scrapers 7 for scraping off solder balls on a chip, one side of the mounting block 6, which is far away from the base 5, is fixedly connected with a servo motor 8 for driving the rotating rod 10 to rotate, one end of the rotating rod 10 penetrates through the mounting block 6 and is fixedly connected with the tail end of an output shaft of the servo motor 8, and the rotating rod 10 is rotatably connected with the mounting block 6;
in this embodiment, first, switch on servo motor 8's power, start servo motor 8 and drive bull stick 10 and rotate, it is rotatory to drive scraper 7 through bull stick 10, then adjust the height of scraper 7, at first rotate second screw 9, second screw 9 drives installation piece 6 through the effect of screw-thread engagement and removes, drive the position control of scraper 7 through installation piece 6, and simultaneously, constitute telescopic machanism through first slide bar 11 and second slide bar 12, improve the stationarity when installation piece 6 removes, then rotate first screw 1, first screw 1 drives slider 4 through the effect of screw-thread engagement and removes, drive supporting shoe 3 through slider 4, supporting shoe 3 drives scraper 7 through installation piece 6 and removes, strikes off the tin ball, the utility model discloses a setting through transmission and adjustment mechanism drives the scraper rotation and strikes off the tin ball, and can adjust the height of scraper, the efficiency is higher, Has wide application range.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A preprocessing device for chip detection, comprising a base (2), characterized in that: the lower end of the base (2) is fixedly connected with four support legs which are distributed in a rectangular shape, the upper end of the base (2) is respectively provided with a base (5) and a sliding groove, the lower end of the base (5) is fixedly connected with the upper end of the base (2), the sliding groove is connected with a sliding block (4) in a sliding manner, a first screw rod (1) is inserted into the sliding block (4), the first screw rod (1) is in threaded connection with the sliding block (4), one end of the first screw rod (1) penetrates through the sliding block (4) and is rotatably connected with the inner side wall of the sliding groove, the other end of the first screw rod (1) penetrates through the base (2), the first screw rod (1) is rotatably connected with the base (2), the upper end of the sliding block (4) penetrates through the sliding groove and is fixedly connected with a supporting block (3), an installation block (6) is arranged right above the supporting block (3), and the lower end, a first slide bar (11) is fixedly connected to the side wall of the top end in the slot, a second slide bar (12) is inserted into the lower end of the first slide bar (11) in a sliding manner, the lower end of the second slide bar (12) penetrates through the slot and is fixedly connected with the upper end of the supporting block (3), a second screw (9) is inserted into the upper end of the mounting block (6), the second screw (9) is in threaded connection with the mounting block (6), the lower end of the second screw (9) penetrates through the mounting block (6) and is rotatably connected with the upper end of the supporting block (3), a rotating rod (10) is arranged at the upper end of the base (5), a plurality of scrapers (7) are fixedly connected to the side wall of the rotating rod (10), a servo motor (8) is fixedly connected to one side, far away from the base (5), of the mounting block (6) is penetrated through one end of the rotating rod (10) and is fixedly connected with the tail end of an output shaft of the servo motor, the rotating rod (10) is rotatably connected with the mounting block (6).
2. The preprocessing apparatus for chip detection according to claim 1, wherein: the lower end of the supporting block (3) is provided with a groove, a ball is arranged in the groove, and the ball is abutted to the side wall of the upper end of the base (2).
3. The preprocessing apparatus for chip detection according to claim 1, wherein: the first sliding rod (11) is sleeved with a spring (13), and two ends of the spring (13) are respectively abutted against the side wall of the top end in the slot and the side wall of the upper end of the base (2).
4. The preprocessing apparatus for chip detection according to claim 1, wherein: the first screw (1) penetrates through one end of the base (2) and is fixedly connected with a first rotary disc.
5. The preprocessing apparatus for chip detection according to claim 1, wherein: the upper end of the second screw rod (9) is fixedly connected with a second rotary table.
6. The preprocessing apparatus for chip detection according to claim 1, wherein: the lower ends of the support legs are fixedly connected with rubber pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868183.6U CN213275864U (en) | 2020-09-01 | 2020-09-01 | Pretreatment device for chip detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868183.6U CN213275864U (en) | 2020-09-01 | 2020-09-01 | Pretreatment device for chip detection |
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| Publication Number | Publication Date |
|---|---|
| CN213275864U true CN213275864U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021868183.6U Active CN213275864U (en) | 2020-09-01 | 2020-09-01 | Pretreatment device for chip detection |
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| CN (1) | CN213275864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007420A (en) * | 2023-10-08 | 2023-11-07 | 苏州锐杰微科技集团有限公司 | Push-pull force testing machine for chip ball placement and working method |
-
2020
- 2020-09-01 CN CN202021868183.6U patent/CN213275864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007420A (en) * | 2023-10-08 | 2023-11-07 | 苏州锐杰微科技集团有限公司 | Push-pull force testing machine for chip ball placement and working method |
| CN117007420B (en) * | 2023-10-08 | 2024-01-05 | 苏州锐杰微科技集团有限公司 | Push-pull force testing machine for chip ball placement and working method |
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