CN215005757U - Core board test fixing device - Google Patents
Core board test fixing device Download PDFInfo
- Publication number
- CN215005757U CN215005757U CN202121682756.0U CN202121682756U CN215005757U CN 215005757 U CN215005757 U CN 215005757U CN 202121682756 U CN202121682756 U CN 202121682756U CN 215005757 U CN215005757 U CN 215005757U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- power supply
- bottom plate
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model relates to a test fixing device, in particular to a test fixing device of a core plate, which comprises an elbow clamp; further comprising: the fixed bottom plate is provided with a plurality of avoiding through holes corresponding to the chip fixing frame; the pressing bracket is fixed at one end of the fixed bottom plate, and the elbow clamp is fixed at the top of the pressing bracket; the lifting pressure plate is slidably arranged on the pressing bracket and is connected with the elbow clamp; the two ends of the spring are respectively connected with the lifting pressing plate and the fixed bottom plate; the positioning plates are symmetrically fixed on two sides of the other end of the fixed bottom plate; the power supply device is arranged on one side of the fixed bottom plate; nuclear core plate is located and compresses tightly between support and two locating plates, and the lift clamp plate is located the chip top of nuclear core plate. The utility model provides a nuclear core plate test fixing device compresses tightly the chip through chip closing device, through the power supply unit power supply, the core is fixed convenient to commonality is high, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a test fixing device, especially nuclear core plate test fixing device.
Background
Along with the diversified development of electronic products, the concentration of product functions is higher and higher, the platformization is more and more popular, a large BGA type core board is manufactured again by taking a chip as a frame and matching various universal functions, however, the core board needs to be subjected to coverage test, and the chip needs to be tightly pressed on the core board during the coverage test and is provided with a power supply for testing; therefore, how to realize the test fixation of the core board is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a nuclear core plate test fixing device that application scope is wide, simple structure, convenient to use, commonality are good, concrete technical scheme is:
the core board testing and fixing device comprises an elbow clamp; further comprising: the chip fixing frame comprises a fixing bottom plate, a chip fixing frame and a chip fixing frame, wherein a plurality of avoiding through holes corresponding to the chip fixing frame are formed in the fixing bottom plate; the pressing support is fixed at one end of the fixed bottom plate, and the elbow clamp is fixed at the top of the pressing support; the pressure increasing and reducing plate is slidably mounted on the pressing support and is connected with the elbow clamp; the two ends of the spring are respectively connected with the pressure rising and reducing plate and the fixed bottom plate; the positioning plates are symmetrically fixed on two sides of the other end of the fixed bottom plate; the power supply device is arranged on one side of the fixed bottom plate; the core plate is located between the pressing support and the two positioning plates, and the pressure rising and reducing plate is located above the chip of the core plate.
Through adopting above-mentioned technical scheme, compress tightly the location that support and locating plate realized nuclear core plate, and go up and down the clamp plate and press from both sides the chip through the elbow and compress tightly the chip on nuclear core plate's chip mount, power supply unit supplies power for nuclear core plate.
The spring keeps the pressure rising and reducing plate at the highest position when not working, and the core plate is convenient to be installed.
Preferably, the top that compresses tightly the support is equipped with the regulating plate, the symmetry is equipped with the regulation hole of the waist shape that sets up along vertical direction on the regulating plate, the elbow presss from both sides and installs on the regulation hole.
Through adopting above-mentioned technical scheme, the position that the elbow was pressed from both sides can be convenient in the adjustment of regulating plate to the position of adjustment pressure rising circuit board makes the chip compress tightly on the post bars array on the chip mount, and can be suitable for not nuclear core plate test of co-altitude.
Preferably, one end of the pressure rising and reducing plate is provided with an observation hole, and the observation hole corresponds to one end of the chip.
Through adopting above-mentioned technical scheme, the observation hole is the through-hole, and the observation hole is convenient for observe the condition that compresses tightly of chip, is convenient for adjust the position of step-up and step-down board.
Furthermore, one end of the pressure rising and reducing plate is provided with an observation groove, and the bottom of the observation groove is provided with an observation hole.
Through adopting above-mentioned technical scheme, the observation groove reduces the thickness of lift clamp plate, enlarges the field of vision in observation hole, is convenient for observe the condition that compresses tightly of chip.
Preferably, the method further comprises the following steps: the two lifting guide rods are symmetrically arranged, and the lifting pressure reducing plates are inserted on the lifting guide rods in a sliding manner; the upper guide rod seat is fixed at the top of the lifting guide rod and is arranged on the pressing bracket; the lower guide rod seat is fixed at the bottom of the lifting guide rod and is arranged on the fixed bottom plate; the spring is movably inserted on the lifting guide rod, and two ends of the spring are respectively connected with the upper guide rod seat and the lower guide rod seat.
Through adopting above-mentioned technical scheme, the guide arm is fixed to convenient lift guide arm of upper guide arm seat and lower guide arm seat. The lifting guide rod is a round rod, so that the lifting pressing plate is kept in a horizontal state, and the lifting pressing plate is lifted along the vertical direction, so that the stability of the lifting pressing plate is improved, and the lifting pressing plate is not prone to shaking and shifting.
The lifting guide rod is fixed on the lifting pressure plate, and the lifting guide rod is inserted on the lifting pressure plate in a sliding mode.
Preferably, the positioning plate is provided with a fixing groove for mounting the touch test screen.
By adopting the technical scheme, the fixing groove facilitates the fixation of the touch screen, so that the test operation is convenient.
Preferably, the power supply device includes: the power supply bracket is arranged on one side of the fixed bottom plate; the positive electrode joint is fixed on the power supply bracket; the negative electrode connector is fixed on the power supply bracket; the connector is respectively connected with the positive electrode joint and the negative electrode joint through leads; and the power switch is arranged on the fixed bottom plate or the power bracket and is connected with the positive electrode joint or the negative electrode joint.
Through adopting above-mentioned technical scheme, switch realizes the break-make of power supply, and positive pole connects and negative pole connects and is used for being connected with external power supply and connector to be connected through connector and nuclear core plate, realize the power supply to nuclear core plate. The contact can be changed according to different interfaces, the connector and the lead are simultaneously changed during the change, and the connector is fast and convenient to change.
Furthermore, the rubber foot fixing device further comprises rubber feet, and the rubber feet are fixed to four corners of the bottom of the fixing bottom plate.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a nuclear core plate test fixing device compresses tightly the chip through chip closing device, through the power supply unit power supply, the core is fixed convenient to commonality is high, simple structure, convenient to use.
Drawings
FIG. 1 is a schematic diagram of a core board test fixture;
FIG. 2 is a front view of a core board test fixture;
FIG. 3 is a cross-sectional view of a core board test fixture;
FIG. 4 is a bottom view of the core board test fixture;
FIG. 5 is a top view of a core board test fixture;
fig. 6 is a schematic structural view of the core board.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, the core board testing fixture includes an elbow clamp 3, a fixing base plate 1, a pressing bracket 21, a lifting/lowering plate 4, a spring 55, a positioning plate 6 and a power supply device; the fixed bottom plate 1 and the pressing bracket 21 are both made of bakelite plates, the bottom of the fixed bottom plate 1 is provided with four rubber feet 8, the rubber feet 8 are anti-skid, and the core plate test fixing device is stable and does not shake; the fixed bottom plate 1 is provided with a plurality of avoiding through holes 11 corresponding to the chip fixing frame 92, when the core plate 91 is installed, the components on the chip fixing frame 92 are inserted into the avoiding through holes 11, so that the bottom surface of the core plate 91 is pressed on the top surface of the fixed bottom plate 1, surface contact is realized, and the core plate 91 is stably positioned on the fixed bottom plate 1; the pressing support 21 is fixed at one end of the fixed bottom plate 1, the adjusting plate 22 is arranged at the top of the pressing support 21, two adjusting holes 23 are symmetrically formed in the adjusting plate 22, the adjusting holes 23 are waist-shaped holes and are arranged in the vertical direction, and the elbow clamps 3 are installed on the adjusting holes 23 through screws and nuts; the lifting pressure plate 4 is slidably mounted on the pressing bracket 21 through a lifting guide rod 51, and the top of the lifting pressure plate 4 is connected with the elbow clamp 3; two ends of the spring 55 are respectively connected with the lifting pressure plate 4 and the fixed bottom plate 1; the positioning plates 6 are symmetrically fixed on two sides of the other end of the fixed bottom plate 1; the power supply device is arranged on one side of the fixed bottom plate 1; the core plate 91 is located between the pressing support 21 and the two positioning plates 6, and the lifting pressing plate 4 is located above the chip of the core plate 91.
The pressing support 21 and the positioning plate 6 realize the positioning of the core board 91, the voltage rising and lowering plate 4 presses the chip on the chip fixing frame 92 on the core board 91 through the elbow clamp 3, and the power supply device supplies power to the core board 91.
The spring 55 keeps the lifting platen 4 at the highest position when not in operation, facilitating the installation of the core plate 91.
The position of the elbow clamp 3 can be conveniently adjusted by the adjusting plate 22, so that the position of the pressure rising and reducing plate 4 is adjusted, the chip is pressed on the column grid array on the chip fixing frame 92, and the testing device is suitable for testing core plates 91 with different heights.
One end of the pressure rising and reducing plate 4 is provided with an observation hole 42, and the observation hole 42 corresponds to one end of the chip. The observation hole 42 is a through hole, and the observation hole 42 is convenient for observing the compression condition of the chip and adjusting the position of the voltage rising and dropping plate 4.
In some embodiments, the lifting/lowering plate 4 has a viewing slot 41 at one end, and a viewing hole 42 is formed at the bottom of the viewing slot 41. The observation groove 41 reduces the thickness of the pressure rising and reducing plate 4, enlarges the visual field of the observation hole 42, and is convenient for observing the pressing condition of the chip.
Two lifting guide rods 51 are symmetrically arranged, two ends of each lifting guide rod are respectively fixed on an upper guide rod seat 54 and a lower guide rod seat 53, and the upper guide rod seats 54 are fixed on the adjusting plate 22; the lower guide rod seat 53 is arranged on the fixed bottom plate 1; the spring 55 is movably inserted on the elevation guide rod 51, and both ends thereof are respectively connected with the upper guide rod seat 54 and the lower guide rod seat 53.
The upper guide rod seat 54 and the lower guide rod seat 53 facilitate fixing of the elevation guide rod 51. The lifting guide rod 51 is a round rod, so that the lifting pressing plate 4 is kept in a horizontal state, and the lifting pressing plate 4 is lifted along the vertical direction, so that the stability of the lifting pressing plate 4 is improved, and the upgrading pressing plate is not easy to shake and shift.
A linear bearing 52 is installed between the pressure rising and lowering plate 4 and the lift guide rod 51, and the linear bearing 52 enables the pressure rising and lowering plate 4 to rise and fall smoothly.
The positioning plate 6 is provided with a fixing groove 61 for installing the touch test screen. The fixing groove 61 facilitates fixing of the touch test screen, and test operation is convenient. Be equipped with the socket on nuclear core plate 91, the bottom of touch test screen is equipped with the plug, and after touch test screen passed through socket and plug and core plate 91 is connected, touch test screen just in time blocked in fixed slot 61, prevents that touch test screen from removing, guarantees reliable being connected between touch test screen and the core plate 91, and then guarantees that the test is stable, reliable.
The power supply device comprises a power supply bracket 71, a positive electrode joint 72, a negative electrode joint 73, a connector and a power supply switch 74; the power supply bracket 71 is made of a bakelite plate, and the power supply bracket 71 is arranged on one side of the fixed bottom plate 1; the positive electrode joint 72 and the negative electrode joint 73 are both fixed on the power supply bracket 71; the connector is respectively connected with the positive connector 72 and the negative connector 73 through leads; the power switch 74 is mounted on the fixed base plate 1 or the power bracket 71, and is connected to the positive electrode tab 72 or the negative electrode tab 73.
The power switch 74 is used for switching on and off the power supply, and the positive connector 72 and the negative connector 73 are used for being connected with an external power supply and a connector and connected with the core board 91 through the connector, so that the power supply of the core board 91 is realized. The contact can be changed according to different interfaces, the connector and the lead are simultaneously changed during the change, and the connector is fast and convenient to change.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (9)
1. The core board testing and fixing device comprises an elbow clamp (3); it is characterized by also comprising:
the chip fixing device comprises a fixing bottom plate (1), wherein a plurality of avoiding through holes (11) corresponding to a chip fixing frame (92) are formed in the fixing bottom plate (1);
the pressing support (21) is fixed at one end of the fixed bottom plate (1), and the elbow clamp (3) is fixed at the top of the pressing support (21);
the pressure increasing and reducing plate (4) is slidably mounted on the pressing support (21) and is connected with the elbow clamp (3);
the two ends of the spring (55) are respectively connected with the pressure rising and reducing plate (4) and the fixed bottom plate (1);
the positioning plates (6), the positioning plates (6) are symmetrically fixed on two sides of the other end of the fixed bottom plate (1); and
a power supply device mounted on one side of the fixed base plate (1);
the core plate (91) is located between the pressing support (21) and the two positioning plates (6), and the pressure rising and reducing plate (4) is located above a chip of the core plate (91).
2. The core board test fixture as claimed in claim 1, wherein the top of the pressing bracket (21) is provided with an adjusting plate (22), the adjusting plate (22) is symmetrically provided with waist-shaped adjusting holes (23) arranged along the vertical direction, and the elbow clamp (3) is mounted on the adjusting holes (23).
3. The core board test fixture of claim 1, wherein one end of the voltage rising and dropping board (4) is provided with a viewing hole (42), the viewing hole (42) corresponding to one end of the chip.
4. The core board test fixture as claimed in claim 3, wherein one end of the pressure rising and lowering board (4) is provided with an observation slot (41), and the bottom of the observation slot (41) is provided with an observation hole (42).
5. The core board test fixture of any one of claims 1-4, further comprising:
the lifting guide rods (51) are symmetrically arranged, and the lifting pressure reducing plates (4) are inserted on the lifting guide rods (51) in a sliding manner;
the upper guide rod seat (54) is fixed at the top of the lifting guide rod (51) and is arranged on the pressing bracket (21); and
the lower guide rod seat (53) is fixed at the bottom of the lifting guide rod (51) and is arranged on the fixed bottom plate (1);
the spring (55) is movably inserted on the lifting guide rod (51), and two ends of the spring are respectively connected with the upper guide rod seat (54) and the lower guide rod seat (53).
6. The core board test fixture as claimed in claim 5, further comprising a linear bearing (52), wherein the linear bearing (52) is fixed on the elevating and lowering board (4) and is slidably inserted on the elevating and lowering guide rod (51).
7. Core board test fixture according to any of claims 1-4, wherein the positioning plate (6) is provided with fixing slots (61) for mounting a touch test screen.
8. The core board test fixture of any one of claims 1-4 wherein the power supply unit comprises:
the power supply bracket (71), the power supply bracket (71) is installed on one side of the fixed bottom plate (1);
the positive electrode joint (72) is fixed on the power supply bracket (71);
the negative electrode connector (73), the negative electrode connector (73) is fixed on the power supply bracket (71);
the connector is respectively connected with the positive connector (72) and the negative connector (73) through leads; and
the power switch (74) is mounted on the fixed base plate (1) or the power bracket (71) and is connected with the positive electrode joint (72) or the negative electrode joint (73).
9. The core board test fixture according to any one of claims 1 to 4, further comprising rubber feet (8), wherein the rubber feet (8) are fixed at four corners of the bottom of the fixing base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682756.0U CN215005757U (en) | 2021-07-22 | 2021-07-22 | Core board test fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682756.0U CN215005757U (en) | 2021-07-22 | 2021-07-22 | Core board test fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215005757U true CN215005757U (en) | 2021-12-03 |
Family
ID=79124406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121682756.0U Active CN215005757U (en) | 2021-07-22 | 2021-07-22 | Core board test fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215005757U (en) |
-
2021
- 2021-07-22 CN CN202121682756.0U patent/CN215005757U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215005757U (en) | Core board test fixing device | |
| CN114113697A (en) | Circuit board detection tool and detection method | |
| CN210090653U (en) | Automatic testing device for switching power supply | |
| CN210322757U (en) | AOI vision fixing and adjusting device for stamping substrate appearance detection equipment | |
| CN212905259U (en) | Insulation test fixture for semiconductor power device | |
| CN212905031U (en) | Adjustable electronic components detects test equipment | |
| CN111120803B (en) | Height increasing frame with adjustable display for planar design | |
| CN208971887U (en) | A kind of pcb board installation equipment convenient to use | |
| CN208780785U (en) | A kind of general fine tuning test rack device of PCB | |
| CN217146863U (en) | Based on optoelectronic device LED is placer for lamp | |
| CN216055884U (en) | Fixing device for electrical equipment | |
| CN219247929U (en) | Detector for processing intelligent television main board | |
| CN218331839U (en) | Test equipment | |
| CN221079463U (en) | Real standard platform convenient to adjust for singlechip | |
| CN213544356U (en) | Device for detecting surface adhesion degree of nano coating | |
| CN220092674U (en) | Edge folding device for processing electronic plug connector shell | |
| CN216529591U (en) | High-voltage wire connecting terminal convenient and rapid to assemble | |
| CN213210224U (en) | Fixing structure of ceramic standard probe mounting seat | |
| CN219811027U (en) | LED power supply testing device | |
| CN208533140U (en) | A kind of sizing mounting base | |
| CN215340924U (en) | Computer display card fixing support | |
| CN218917025U (en) | Circuit board compression deformation detection machine | |
| CN216560669U (en) | Testing device and mobile phone testing equipment | |
| CN214705816U (en) | Improve firm automatically controlled relay base structure of nature | |
| CN216646734U (en) | MIC circuit board testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |