CN220188594U - Quick card changing device for probe station - Google Patents
Quick card changing device for probe station Download PDFInfo
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- CN220188594U CN220188594U CN202321945487.1U CN202321945487U CN220188594U CN 220188594 U CN220188594 U CN 220188594U CN 202321945487 U CN202321945487 U CN 202321945487U CN 220188594 U CN220188594 U CN 220188594U
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- locking
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- 239000000523 sample Substances 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 3
- FPWNLURCHDRMHC-UHFFFAOYSA-N 4-chlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1 FPWNLURCHDRMHC-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a quick card changing device of a probe station, which comprises a base, wherein a through groove for placing a PCB (printed circuit board) is formed in the bottom of the base, a supporting structure for supporting the PCB is arranged on the base at the position of the through groove, a lower pressing plate for pressing the PCB is arranged on the front surface of the through groove, one end of the lower pressing plate is rotationally connected with the base, the other end of the lower pressing plate is pressed on the base by a pressing type elastic locking structure, the lower pressing plate is detachably connected with the elastic locking structure, and the elastic locking structure is an elastic structure for generating elastic displacement in the horizontal direction. The utility model combines the lower pressing plate capable of rotating up and down with the elastic locking structure capable of locking by pressing, has high locking speed and does not need to install the locking structure.
Description
Technical Field
The utility model relates to a card changing device, in particular to a quick card changing device for a probe station.
Background
The wafer probe station is intermediate test equipment on a semiconductor process line, and has wafer level test capability, namely micron level measurement control precision, and can automatically complete the test of the electrical parameters and functions of an integrated circuit and various crystal dies after being connected with a tester.
When the existing wafer probe station is used, a PCB is required to be fixed on the probe station by using a PCB clamp, the existing commonly used PCB clamp generally comprises an upper clamping plate and a lower clamping plate, a locking structure is required between the upper clamping plate and the lower clamping plate to lock the PCB, such as a bolt, a buckle and other structures, and the bolt, the buckle and other locking structures are required to be repeatedly disassembled and assembled when in use, so that the operation is simple, a certain operation time is required, the installation efficiency of the PCB is reduced, and the replacement efficiency of the PCB is further reduced.
Disclosure of Invention
The utility model aims to provide a quick card changing device of a probe station, which solves the problem that the existing PCB clamp reduces the replacement efficiency of a PCB because the clamp used for fixing the PCB by the existing wafer probe station needs to be repeatedly disassembled and assembled to lock the structure, consumes time, reduces the installation efficiency of the PCB, and further reduces the replacement efficiency of the PCB.
The utility model is realized by the following technical scheme:
the utility model provides a probe platform trades card device fast, includes the base, has offered the logical groove of placing the PCB board on the bottom of base, is provided with the bearing structure who supports the PCB board on the base of logical groove place position, is provided with the holding down plate of pushing down the PCB board on leading to the front in groove, and the one end and the base of holding down plate rotate to be connected, and the other end of holding down plate is compressed tightly on the base by the elasticity locking structure of push type, and holding down plate can dismantle with elasticity locking structure to be connected, and elasticity locking structure is the elastic structure that produces elastic displacement in the horizontal direction.
The utility model relates to a novel PCB clamping and fixing device, which combines a lower pressing plate capable of rotating up and down with an elastic locking structure locked by pressing, wherein the lower pressing plate generates a backward pushing force on the elastic locking structure in the process of pressing down, the elastic locking structure in the elastic locking structure deforms to enable the elastic locking structure to move backward, when the lower pressing plate is no longer in contact with the elastic locking structure, the elastic structure in the elastic locking structure recovers deformation, the elastic locking structure is automatically pressed above the lower pressing plate to lock the lower pressing plate, and the locking speed is high; the push-type elastic locking structure of the present utility model is displaced in the horizontal direction.
The principle of the utility model is as follows: after the PCB is placed in the through groove, the pressing plate is pressed downwards, the lower pressing plate is contacted with the elastic locking structure in the downward moving process, the elastic locking structure is pushed backwards in the continuous pressing process of the lower pressing plate, the elastic locking structure moves backwards to enable the lower pressing plate to be pressed onto the PCB smoothly, after the lower pressing plate is pressed on the PCB, the elastic locking structure is restored to the original position under the action of external force, the elastic locking structure is pressed above the lower pressing plate to lock the lower pressing plate after being restored to the original position, the whole PCB is locked by only pressing the pressing plate downwards, the locking structure is not required to be installed, the elastic locking structure achieves the function of automatic locking, and the locking speed is high; when the PCB is disassembled and assembled, the elastic locking structure is pushed backwards, the PCB below the lower pressing plate can be taken out by moving the lower pressing plate upwards, then, the elastic locking structure is restored to the original position under the action of no external force, the next PCB can be directly installed, the disassembling speed is high, and the elastic locking structure is automatically reset, so that the next PCB installation is facilitated. The novel PCB is installed in the disassembling speed very fast, the elastic locking structure can automatically lock and reset, and the replacement efficiency of the PCB is improved.
The elastic locking structure comprises a locking seat and a locking pressing block, wherein the locking seat is fixed on a base on one side of a through groove, a groove is formed in the front end face of the locking seat, the locking pressing block is installed in the groove, the front end of the locking pressing block is located outside the groove, the locking pressing block is fixedly connected with the locking seat through a horizontally placed spring, the spring is located inside the groove, the spring is installed at the rear of the locking pressing block and is in sliding connection with the groove, and the lower pressing plate is located in front of the locking pressing block.
The grooves provide a moving space for the locking pressing blocks, the grooves and the spring structures limit the movement of the locking pressing blocks, the locking pressing blocks can retract firstly and then under the acting force of the lower pressing plates, and the lower pressing plates press the PCB plate thickness and then push forwards to press the PCB plate. The utility model provides a specific structure of an elastic locking structure, so that the elastic locking structure can realize automatic locking and resetting.
The lower pressing plate is rotationally connected with the base through a matched rotating shaft and a shaft sleeve, the rotating shaft is arranged on one side end face of the lower pressing plate, the rotating shaft is arranged inside the shaft sleeve and is rotationally connected with the shaft sleeve, the shaft sleeve is fixed on a rotating shaft fixing block, the rotating shaft fixing block is fixed on the base on one side of the through groove, and the position of the rotating shaft fixing block and the position of the elastic locking structure are in relative position relation with the through groove.
The utility model adopts the rotating shaft and the shaft sleeve as the rotating connection structure between the lower pressing plate and the base, the rotating shaft can rotate in the shaft sleeve under the action of external force, thereby realizing the up-and-down rotation of the lower pressing plate, and the operation is simple.
The two sides of the through groove are oppositely provided with support clamping brackets matched with and supporting the PCB, the support clamping brackets are fixedly connected with the base, the lower pressing plate is positioned between the support clamping brackets at the two sides, and the support clamping brackets at the two sides of the through groove are supporting structures of the PCB.
The utility model adopts two opposite supporting brackets to support the PCB board in a matched manner, and the support is stable.
The front end face of the locking pressing block is a downward inclined plane. The front end face of the locking pressing block is a downward inclined plane so as to reduce the resistance of the lower pressing plate to push the locking pressing block.
The support card support includes jointless quality's horizontal plate and right angle bent plate, and the horizontal plate is located the top of right angle bent plate, and the horizontal plate is connected fixedly with the base bottom in logical groove outside, and right angle bent plate is hugged closely logical inslot wall and right angle bent plate is located logical inslot portion, and the vertical section of right angle bent plate is connected with the horizontal plate is perpendicular along logical inslot wall.
The right-angle bending plate is used for supporting the PCB, and the horizontal plate is used for being connected and fixed with the base, so that the PCB can be supported and firmly fixed on the base.
Positioning columns which are in one-to-one correspondence with the positioning holes on the PCB are arranged on the horizontal section of the right-angle bent plate; when the PCB board is placed on the horizontal section of the right-angle bent plate, the locating column on the right-angle bent plate passes through the locating hole on the corresponding PCB board.
The fixed quantity of the positioning columns are arranged on the card supporting bracket, and the corresponding positioning holes are arranged at the same positions on the corresponding PCB and used for positioning the PCB, so that the position one by one of each time is ensured.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the quick probe station card changing device, the lower pressing plate capable of rotating up and down and the elastic locking structure capable of being locked in a pressing mode are combined together, the elastic locking structure is automatically pressed above the lower pressing plate, the lower pressing plate is locked, the locking speed is high, and the locking structure is not required to be installed;
2. according to the probe station quick card changing device, the front end face of the locking pressing block is the inclined surface which is inclined downwards, so that the resistance of pushing the locking pressing block by the lower pressing plate can be reduced;
3. the quick card changing device for the probe station is provided with the quantitative positioning columns on the card supporting bracket, and the corresponding positioning holes are arranged at the same positions on the corresponding PCB and used for positioning the positions of the PCB, so that the one-to-one property of each position is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a rear view of the present utility model;
FIG. 4 is a schematic view of the elastic locking structure of the present utility model;
fig. 5 is a schematic view of the structure of the bracket of the present utility model.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-base, a 2-through groove, a 3-PCB, a 4-bracket, a 5-lower pressing plate, a 6-elastic locking structure, a 7-rotating shaft, an 8-shaft sleeve, a 9-rotating shaft fixing block, a 41-horizontal plate, a 42-right angle bending plate, a 43-positioning column, a 61-locking seat and a 62-locking pressing block.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1
As shown in fig. 1-5, the quick card changing device for the probe station comprises a base 1, wherein a through groove 2 for placing a PCB 3 is formed in the bottom of the base 1, a supporting structure for supporting the PCB 3 is arranged on the base 1 where the through groove 2 is located, a lower pressing plate 5 for pressing down the PCB 3 is arranged on the front surface of the through groove 2, one end of the lower pressing plate 5 is rotationally connected with the base 1, the other end of the lower pressing plate 5 is pressed on the base 1 by a pressing type elastic locking structure 6, the lower pressing plate 5 is detachably connected with the elastic locking structure 6, and the elastic locking structure 6 is an elastic structure for generating elastic displacement in the horizontal direction.
The elastic locking structure 6 comprises a locking seat 61 and a locking pressing block 62, wherein the locking seat 61 is fixed on the base 1 on one side of the through groove 2, a groove is formed in the front end face of the locking seat 61, the locking pressing block 62 is installed in the groove, the front end of the locking pressing block 62 is located outside the groove, the locking pressing block 62 is fixedly connected with the locking seat 61 through a horizontally placed spring, the spring is located inside the groove, the spring is installed at the rear of the locking pressing block 62 and is in sliding connection with the groove, and the lower pressing plate 5 is located in front of the locking pressing block 62.
The lower pressing plate 5 is rotationally connected with the base 1 through a matched rotating shaft 7 and a shaft sleeve 8, the rotating shaft 7 is installed on one side end face of the lower pressing plate 5, the rotating shaft 7 is installed inside the shaft sleeve 8 and is rotationally connected with the shaft sleeve 8, the shaft sleeve 8 is fixed on a rotating shaft fixing block 9, the rotating shaft fixing block 9 is fixed on the base 1 on one side of the through groove 2, and the position of the rotating shaft fixing block 9 and the position of the elastic locking structure 6 are in relative position relation with respect to the through groove 2.
The two sides of the through groove 2 are oppositely provided with a supporting clamp bracket 4 matched with and supporting the PCB 3, the supporting clamp bracket 4 is fixedly connected with the base 1, the lower pressing plate 5 is positioned between the supporting clamp brackets 4 at the two sides, and the supporting clamp brackets 4 at the two sides of the through groove 2 are supporting structures of the PCB 3.
The application mode of the utility model is as follows: after the PCB is placed in the through groove, the pressing plate is pressed downwards, the lower pressing plate is contacted with the elastic locking structure in the downward moving process, the elastic locking structure is pushed backwards in the continuous pressing process of the lower pressing plate, the elastic locking structure moves backwards to enable the lower pressing plate to be pressed onto the PCB smoothly, after the lower pressing plate is pressed on the PCB, the elastic locking structure is restored to the original position under the action of external force, the elastic locking structure is pressed above the lower pressing plate to lock the lower pressing plate after being restored to the original position, the whole PCB is locked by only pressing the pressing plate downwards, the locking structure is not required to be installed, the elastic locking structure achieves the function of automatic locking, and the locking speed is high; when the PCB is disassembled and assembled, the elastic locking structure is pushed backwards, the PCB below the lower pressing plate can be taken out by moving the lower pressing plate upwards, then, the elastic locking structure is restored to the original position under the action of no external force, the next PCB can be directly installed, the disassembling speed is high, and the elastic locking structure is automatically reset, so that the next PCB installation is facilitated. The novel PCB is installed in the disassembling speed very fast, the elastic locking structure can automatically lock and reset, and the replacement efficiency of the PCB is improved.
Example 2
Based on embodiment 1, the front end surface of the lock pressing block 62 is a slope inclined downward.
The front end face of the locking pressing block is a downward inclined plane so as to reduce the resistance of the lower pressing plate to push the locking pressing block. The area of the bottom surface of the locking pressing block is larger than that of the top surface of the locking pressing block.
Example 3
Based on the above embodiment, the card supporting bracket 4 includes a horizontal plate 41 and a right-angle bent plate 42 that are seamlessly connected, the horizontal plate 41 is located above the right-angle bent plate 42, the horizontal plate 41 is fixedly connected with the bottom of the base 1 outside the through slot 2, the right-angle bent plate 42 is tightly attached to the inner wall of the through slot 2 and the right-angle bent plate 42 is located inside the through slot 2, and the vertical section of the right-angle bent plate 42 is vertically connected with the horizontal plate 41 along the inner wall of the through slot 2. Positioning columns 43 which are in one-to-one correspondence with the positioning holes on the PCB 3 are arranged on the horizontal section of the right-angle bent plate 42; when the PCB 3 is placed on the horizontal section of the right angle bend 42, the positioning posts 43 on the right angle bend 42 pass through the positioning holes on the corresponding PCB 3.
The fixed quantity of the positioning columns are arranged on the card supporting bracket, and the corresponding positioning holes are arranged at the same positions on the corresponding PCB and used for positioning the PCB, so that the position one by one of each time is ensured.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a quick card device that trades of probe platform, a serial communication port, including base (1), set up logical groove (2) of placing PCB board (3) on the bottom of base (1), be provided with the bearing structure who supports PCB board (3) on base (1) of logical groove (2) place, be provided with holding down plate (5) of holding down PCB board (3) on the front of logical groove (2), the one end and the base (1) rotation of holding down plate (5) are connected, the other end of holding down plate (5) is pressed on base (1) by the elastic locking structure (6) of push type, holding down plate (5) can dismantle with elastic locking structure (6) and be connected, elastic locking structure (6) are the elastic structure that produces elastic displacement in the horizontal direction.
2. The quick card changing device for the probe station according to claim 1, wherein the elastic locking structure (6) comprises a locking seat (61) and a locking pressing block (62), the locking seat (61) is fixed on the base (1) on one side of the through groove (2), a groove is formed in the front end face of the locking seat (61), the locking pressing block (62) is installed in the groove, the front end of the locking pressing block (62) is located outside the groove, the locking pressing block (62) is fixedly connected with the locking seat (61) through a horizontally placed spring, the spring is located inside the groove, the spring is installed behind the locking pressing block (62) and is in sliding connection with the groove, and the lower pressing plate (5) is located in front of the locking pressing block (62).
3. The quick probe station card changing device according to claim 1, wherein the lower pressing plate (5) is rotationally connected with the base (1) through a matched rotating shaft (7) and a shaft sleeve (8), the rotating shaft (7) is installed on one side end face of the lower pressing plate (5), the rotating shaft (7) is installed inside the shaft sleeve (8) and is rotationally connected with the shaft sleeve (8), the shaft sleeve (8) is fixed on a rotating shaft fixing block (9), the rotating shaft fixing block (9) is fixed on the base (1) on one side of the through groove (2), and the position of the rotating shaft fixing block (9) and the position of the elastic locking structure (6) are in relative position relation with the through groove (2).
4. The quick card changing device of the probe station according to claim 1, wherein the two sides of the through groove (2) are oppositely provided with card supporting brackets (4) which are matched with and support the PCB (3), the card supporting brackets (4) are fixedly connected with the base (1), the lower pressing plate (5) is positioned between the card supporting brackets (4) at the two sides, and the card supporting brackets (4) at the two sides of the through groove (2) are supporting structures of the PCB (3).
5. A quick change device for a probe station according to claim 2, characterized in that the front end surface of the locking press (62) is a downward inclined surface.
6. The quick card changing device of the probe station according to claim 4, wherein the card supporting bracket (4) comprises a horizontal plate (41) and a right-angle bent plate (42) which are connected in a seamless mode, the horizontal plate (41) is located above the right-angle bent plate (42), the horizontal plate (41) is fixedly connected with the bottom of the base (1) on the outer side of the through groove (2), the right-angle bent plate (42) is tightly attached to the inner wall of the through groove (2) and located inside the through groove (2), and the vertical section of the right-angle bent plate (42) is vertically connected with the horizontal plate (41) along the inner wall of the through groove (2).
7. The quick card changing device of the probe station according to claim 6, wherein positioning columns (43) which are in one-to-one correspondence with the positioning holes on the PCB (3) are arranged on the horizontal section of the right-angle bending plate (42); when the PCB (3) is placed on the horizontal section of the right-angle bent plate (42), the positioning column (43) on the right-angle bent plate (42) passes through the positioning hole on the corresponding PCB (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945487.1U CN220188594U (en) | 2023-07-24 | 2023-07-24 | Quick card changing device for probe station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945487.1U CN220188594U (en) | 2023-07-24 | 2023-07-24 | Quick card changing device for probe station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188594U true CN220188594U (en) | 2023-12-15 |
Family
ID=89105712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321945487.1U Active CN220188594U (en) | 2023-07-24 | 2023-07-24 | Quick card changing device for probe station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188594U (en) |
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2023
- 2023-07-24 CN CN202321945487.1U patent/CN220188594U/en active Active
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