CN117169698A - Circuit board processing production testing arrangement and test system - Google Patents
Circuit board processing production testing arrangement and test system Download PDFInfo
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- CN117169698A CN117169698A CN202311446520.0A CN202311446520A CN117169698A CN 117169698 A CN117169698 A CN 117169698A CN 202311446520 A CN202311446520 A CN 202311446520A CN 117169698 A CN117169698 A CN 117169698A
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000003028 elevating effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The application discloses a circuit board processing production testing device and a testing system, which relate to the field of circuit board testing and comprise a base and a positioning unit, wherein the positioning unit is arranged above the base and is used for accurately positioning a circuit board; an upper needle plate, wherein a plurality of detachable first probes are arranged at the bottom of the upper needle plate; a plurality of detachable second probes are arranged on the top of the lower needle plate; the lifting unit is used for driving the upper needle plate and the lower needle plate to synchronously move; the autonomous adjusting unit is used for driving the positioning unit to operate; the adjacent heat dissipation unit is used for precisely dissipating heat of the first probe and the second probe; this circuit board processing production testing arrangement and test system has avoided probe and test point to take place to remove after the contact and has produced the problem of friction, prevents that the circuit board from taking place to damage when the test, has played the effect of protection circuit board, realizes carrying out accurate radiating effect to each probe, has ensured each probe to carry out the effect of continuous batch detection to the circuit board.
Description
Technical Field
The application relates to the technical field of circuit board testing, in particular to a circuit board processing production testing device and a testing system.
Background
The circuit board is an important electronic component, is a supporting body of the electronic component, is a provider for electric connection of the electronic component, and is required to test all parts of circuits of the circuit board in the production process to test whether the circuit board meets the design parameter requirements.
The utility model discloses a PCB board test fixture in the patent of publication number CN102736018A, including cylinder, underframe, a plurality of voltmeter and ampere meter, be provided with a plurality of voltmeters and ampere meter in the top of underframe, still include faller, faller down, press excellent and carrier plate, be provided with the faller in the top of underframe, be provided with the carrier plate in the top of faller down, be provided with the cylinder in the top of carrier plate, the cylinder axle of cylinder is connected with the last faller that sets up in cylinder axle below, installs a plurality of positive pressure excellent to the carrier plate in the faller bottom, the positive and negative end of voltmeter and ampere meter are connected with the needle point on the faller respectively. The PCB testing jig solves the problems that whether each part of circuit can meet the design parameter requirement or not by adopting a manual mode, the detection speed is low, the requirement of quick detection cannot be met, the working efficiency is low, and the difficulty is brought to large-scale integrated production of enterprises, and has a simple structure, and whether the PCB is good or not can be tested at one time;
the above related art has the following drawbacks: the circuit board is directly placed on the carrier plate, and the circuit board is directly in butt with the lower faller of its bottom after being placed on the carrier plate, and the accuracy of its location and the levelness when placing are difficult to guarantee to the manual work placed circuit board, and then the probe on the faller takes place to rub with the circuit board easily, and then causes the circuit board to take place the damage easily, and for this reason, this scheme has provided a circuit board processing production testing arrangement and test system.
Disclosure of Invention
The application aims to provide a circuit board processing production testing device and a testing system, which are used for solving the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the circuit board processing production testing device comprises a base and a positioning unit, wherein the positioning unit is arranged above the base and is used for accurately positioning the circuit board;
an upper needle plate arranged above the positioning unit, wherein a plurality of detachable first probes are arranged at the bottom of the upper needle plate;
a lower needle plate arranged below the positioning unit, wherein a plurality of detachable second probes are arranged at the top of the lower needle plate;
the lifting unit is arranged on the base and used for driving the upper needle plate and the lower needle plate to synchronously move;
the autonomous adjusting unit is connected with the upper needle plate and used for driving the positioning unit to operate;
and the adjacent heat dissipation unit is connected with the positioning unit and used for precisely dissipating heat of the first probe and the second probe.
Further, four stand columns are fixedly connected to the top of the base, a top plate is fixedly connected to the top ends of the four stand columns, a middle plate is fixedly sleeved on the outer portion of each stand column, the positioning unit is installed on the middle plate, and a plurality of probe holes are formed in the middle plate in a penetrating mode.
Further, the positioning unit comprises four sliding grooves formed in the top of the middle plate, four supporting blocks which are respectively connected with the inner parts of the four sliding grooves in a sliding mode, and four limiting components which are respectively arranged in the four supporting blocks, wherein the supporting blocks are of hollow structures, the tops of the supporting blocks, which are close to one side, are respectively provided with a first inclined surface groove, the limiting components comprise a driven block which is connected with the inner part of the supporting block in a sliding mode, a limiting block which is arranged above the driven block, and a plurality of transmission components which are connected between the driven block and the limiting block, the limiting block is connected with the inner part of the supporting block in a sliding mode, two movable grooves are formed in the outer wall, which is close to one side of the first inclined surface groove, of the supporting block, and the driven block and the limiting block respectively penetrate through the two movable grooves.
Further, the transmission assembly comprises a U-shaped pipe fixedly connected to the inner wall of one side of the bearing block far away from the first inclined plane groove, two pistons arranged in the U-shaped pipe, two push rods fixedly connected to the outer wall of one side of the two pistons close to the driven block respectively, and a first spring fixedly connected to the outer wall of the other side of one piston, wherein the other end of the first spring is fixedly connected with the inner wall of the U-shaped pipe, and the other ends of the two push rods are fixedly connected with the outer walls of the driven block and the limiting block respectively.
Further, the bearing block is fixedly connected with a plurality of second springs on the outer wall of one side far away from the first inclined plane groove, the other ends of the second springs are fixedly connected with the inner wall of the sliding groove, the inner wall of the sliding groove is fixedly connected with a limiting block, and the limiting block is matched with the bearing block.
Further, the lifting unit comprises a motor arranged at the top of the top plate, a bidirectional screw rod fixedly connected to the bottom end of an output shaft of the motor, four first connecting blocks respectively fixedly connected to the outer walls of the four sides of the upper needle plate, and two second connecting blocks respectively fixedly connected to the outer walls of the two sides of the lower needle plate, wherein one first connecting block is in threaded connection with the outside of the bidirectional screw rod, one second connecting block is in threaded connection with the outside of the bidirectional screw rod, the bidirectional screw rod penetrates through the middle plate to be arranged and is rotationally connected with the middle plate, the bottom end of the bidirectional screw rod is rotationally connected with the top of the base, and the automatic adjusting unit is connected with the first connecting blocks.
Further, a guide post is fixedly connected between the base and the top plate, and the other second connecting block and the first connecting block positioned above the other second connecting block are both in sliding sleeve joint with the outer part of the guide post.
Further, the autonomous adjusting unit comprises four driving blocks fixedly connected to the bottoms of the four first connecting blocks respectively, four second inclined surface grooves formed in the bottoms of the four driving blocks respectively, and four third inclined surface grooves formed in the tops of the four supporting blocks respectively, wherein the four driving blocks are located above the four supporting blocks respectively, and the four second inclined surface grooves are matched with the four third inclined surface grooves respectively.
Further, the number of the adjacent radiating units is four, the four adjacent radiating units are respectively arranged on the four supporting blocks, each adjacent radiating unit comprises an air duct arranged on the outer wall of each supporting block, an electric exhaust fan arranged inside the air duct and two combined grooves formed in the outer wall of one side of each supporting block, which is close to the first inclined surface groove, each combined groove is composed of a plurality of ventilation holes, one combined groove is located above the first inclined surface groove, and the other combined groove is located below the first inclined surface groove.
The utility model provides a circuit board processing production test system, its is applicable to a circuit board processing production test device, includes positioning unit, elevating unit, independently adjusts unit, test unit and closes on the radiating unit, elevating unit is connected with independently adjusting unit for drive positioning unit fixes a position the circuit board, elevating unit still is connected with test unit, is used for making circuit board and test unit establish to be connected after fixing a position the circuit board, tests the circuit board through test unit, close on radiating unit and positioning unit connection for when fixing a position the test to the circuit board, carry out the heat dissipation to test unit's part.
Compared with the prior art, the circuit board processing production testing device and the circuit board processing production testing system provided by the application have the following beneficial effects:
through the cooperation of the lifting unit, the autonomous adjusting unit and the positioning unit, the circuit board can be accurately and centrally positioned, so that each probe is accurately aligned with a test point on each circuit board before contact, the problem that friction is generated when the probe moves after contact with the test point is avoided, the circuit board is prevented from being damaged during testing, and the circuit board is protected;
when the circuit board is positioned by four bearing blocks, two combined grooves on the four bearing blocks are respectively positioned above and below the circuit board, and then when the electric exhaust fan is started, air in the bearing blocks is pumped out, air is supplemented into the bearing blocks through the vent holes, and then the ventilation speed of the top area and the bottom area of the circuit board is accelerated, so that the effect of accurately radiating the probes is achieved, the problem that the radiating effect of the probes is influenced by shielding of the circuit board and the bearing blocks is avoided, and the effect of continuous batch detection of the probes on the circuit board is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for those skilled in the art.
FIG. 1 is a schematic view of a first perspective of the overall structure of the present application;
FIG. 2 is a schematic view of a second perspective of the overall structure of the present application;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present application;
FIG. 4 is a schematic view of the external structure of the support block according to the present application;
FIG. 5 is a schematic view of the internal structure of the support block according to the present application;
fig. 6 is a schematic diagram of a transmission assembly according to the present application.
Reference numerals illustrate:
1. a base; 2. an upper needle plate; 3. a lower needle plate; 4. a first probe; 5. a second probe; 6. a column; 7. a top plate; 8. a middle plate; 9. a chute; 10. a support block; 11. a first bevel groove; 12. a driven block; 13. a limiting block; 14. a movable groove; 15. a U-shaped tube; 16. a piston; 17. a push rod; 18. a first spring; 19. a second spring; 20. a limiting block; 21. a motor; 22. a two-way screw rod; 23. a first connection block; 24. a second connection block; 25. a guide post; 26. a probe hole; 27. a driving block; 28. a second bevel groove; 29. a third bevel groove; 30. an air duct; 31. an electric exhaust fan; 32. and (3) a vent hole.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
Example 1: referring to fig. 1-6, a circuit board processing and production testing device includes a base 1, four columns 6 are fixedly connected to the top of the base 1, top plates 7 are fixedly connected to the top ends of the four columns 6, a middle plate 8 is fixedly sleeved on the outer portions of the four columns 6, a positioning unit is mounted on the middle plate 8, a plurality of probe holes 26 are formed in the middle plate 8 in a penetrating manner, and the probe holes 26 are formed so as to facilitate connection of a second probe 5 with the circuit board through the probe holes.
The positioning unit is arranged above the base 1 and used for accurately positioning the circuit board, and comprises four sliding grooves 9 formed in the top of the middle plate 8, four supporting blocks 10 which are respectively connected with the inner parts of the four sliding grooves 9 in a sliding mode, and four limit components which are respectively arranged in the four supporting blocks 10, wherein the supporting blocks 10 are of hollow structures, first inclined grooves 11 are formed in the tops of the sides, close to each other, of the four supporting blocks 10, the limit components comprise driven blocks 12 which are connected with the inner parts of the supporting blocks 10 in a sliding mode, limit blocks 13 which are arranged above the driven blocks 12 and a plurality of transmission components which are connected between the driven blocks 12 and the limit blocks 13, the limit blocks 13 are connected with the inner parts of the supporting blocks 10 in a sliding mode, two movable grooves 14 are formed in the outer walls, close to one sides of the first inclined grooves 11, of the driven blocks 12 and the limit blocks 13 are respectively arranged through the two movable grooves 14, the transmission assembly comprises a U-shaped pipe 15 fixedly connected on the inner wall of one side of the bearing block 10 far away from the first inclined surface groove 11, two pistons 16 arranged in the U-shaped pipe 15, two push rods 17 fixedly connected on the outer wall of one side of the two pistons 16 close to the driven block 12 respectively, and a first spring 18 fixedly connected on the outer wall of the other side of one piston 16, hydraulic oil is filled in the U-shaped pipe 15 and is positioned between the two pistons 16, the other end of the first spring 18 is fixedly connected with the inner wall of the U-shaped pipe 15, the other ends of the two push rods 17 are fixedly connected with the driven block 12 and the outer wall of the limiting block 13 respectively, a plurality of second springs 19 are fixedly connected on the outer wall of one side of the bearing block 10 far away from the first inclined surface groove 11, the other ends of the plurality of second springs 19 are fixedly connected with the inner wall of the sliding groove 9 respectively, a limiting block 20 is fixedly connected on the inner wall of the sliding groove 9 respectively, the limiting block 20 is matched with the bearing block 10, after the staff places the circuit board at the top of the first inclined plane groove 11 on four bearing blocks 10, drive four bearing blocks 10 and be close to each other along the inner wall of each spout 9, in this process, the circuit board rises along the top of first inclined plane groove 11, in the course of rising, the outer wall of circuit board can with the outer wall butt of follower block 12, thereby drive follower block 12 to move towards bearing block 10 inside, and then drive the push rod 17 that is connected with follower block 12 and move synchronously, and then drive piston 16 and move synchronously, first spring 18 is compressed thereupon, thereby drive another piston 16 and move towards the circuit board direction through promoting hydraulic oil flow, and then drive stopper 13 butt at the top of circuit board through another push rod 17, carry out accurate location to the circuit board, the problem that the test point on the circuit board is liable to take place friction with the probe when having avoided placing the circuit board, and when taking out the circuit board, after the drive block 27 rises, through the resilience of each spout 9 inside second spring 19, drive each bearing block 10 and keep away from each other and reset, and reset along with the direction of the reset block 12, drive piston 16 moves towards the inside along with the reset block 12 along with the direction of the reset block 11, and then moves towards the reset block 12 through the reset block 12, and then moves towards the top of the reset block 12, and then moves towards the reset block 16 through the reset block 12.
An upper needle plate 2 disposed above the positioning unit, the bottom of the upper needle plate 2 being mounted with a plurality of detachable first probes 4; the lower needle plate 3 is arranged below the positioning unit, a plurality of detachable second probes 5 are arranged at the top of the lower needle plate 3, each first probe 4 and each second probe 5 are electrically connected with external test equipment, and the distance between the bottom end of each first probe 4 and a test point at the top of the circuit board is the same as the distance between the top end of each second probe 5 and a test point at the bottom of the circuit board.
The lifting unit is arranged on the base 1 and used for driving the upper needle plate 2 and the lower needle plate 3 to synchronously move, the lifting unit comprises a motor 21 arranged at the top of the top plate 7, a bidirectional screw rod 22 fixedly connected at the bottom end of an output shaft of the motor 21, four first connecting blocks 23 respectively fixedly connected on the four outer walls of the upper needle plate 2 and two second connecting blocks 24 respectively fixedly connected on the two outer walls of the two sides of the lower needle plate 3, one first connecting block 23 is in threaded connection with the outside of the bidirectional screw rod 22, one second connecting block 24 is in threaded connection with the outside of the bidirectional screw rod 22, the bidirectional screw rod 22 penetrates through the middle plate 8 and is in rotary connection with the middle plate 8, the bottom end of the bidirectional screw rod 22 is in rotary connection with the top of the base 1, the autonomous adjusting unit is connected with the first connecting blocks 23, a guide pillar 25 is fixedly connected between the base 1 and the top plate 7, the other second connecting blocks 24 and the first connecting blocks 23 positioned above the other second connecting blocks 24 are in sliding sleeve joint with the outside of the guide pillar 25, the motor 21 is started to drive the bidirectional screw rod 22 to rotate forward, so that the first connecting block 23 and the second connecting block 24 which are in threaded connection with the outside of the bidirectional screw rod 22 are driven to be close to each other, the upper needle plate 2 and the lower needle plate 3 are driven to move towards the direction of the circuit board, the first probe 4 and the second probe 5 are synchronously moved along with the first connecting block, the second probe 4 and the second probe 5 are synchronously abutted against the test point at the top of the circuit board and the test point at the bottom of the circuit board respectively, and conversely, the motor 21 is controlled to drive the bidirectional screw rod 22 to rotate reversely, so that the first connecting block 23 and the second connecting block 24 which are in threaded connection with the outside of the bidirectional screw rod 22 are driven to be away from each other, and the upper needle plate 2 and the lower needle plate 3 are driven to move away from the circuit board, and the first probe 4 and the second probe 5 are kept away from the circuit board and reset.
The automatic adjusting unit is connected with the upper needle plate 2 and used for driving the positioning unit to operate, the automatic adjusting unit comprises four driving blocks 27 fixedly connected to the bottoms of the four first connecting blocks 23 respectively, four second inclined surface grooves 28 formed in the bottoms of the four driving blocks 27 respectively and four third inclined surface grooves 29 formed in the tops of the four supporting blocks 10 respectively, the four driving blocks 27 are located above the four supporting blocks 10 respectively, the four second inclined surface grooves 28 are matched with the four third inclined surface grooves 29 respectively, when the upper needle plate 2 moves downwards, the second inclined surface grooves 28 in the bottoms of the four driving blocks 27 are abutted with the third inclined surface grooves 29, the four supporting blocks 10 are driven to mutually approach along the inner walls of the sliding grooves 9 respectively along with the continuous descending of the four driving blocks 27 until the supporting blocks 10 are abutted with the inner walls of the side, close to the probe holes 26, of the outer walls of the driving blocks 27 are lowered along the outer walls of the supporting blocks 10, far away from the probe holes 26, of the upper needle plate 2 along with the continuous descending of the supporting blocks 10.
Example 2: referring to fig. 1, 3 and 4, the present embodiment provides a technical solution based on embodiment 1: the heat dissipation device comprises a plurality of support blocks 10, a positioning unit, a heat dissipation unit, a wind barrel 30, an electric exhaust fan 31 and two combined grooves, wherein the wind barrel 30 is arranged on the outer wall of the support block 10, the electric exhaust fan 31 is arranged inside the wind barrel 30, the two combined grooves are arranged on the outer wall of one side of the support block 10, which is close to the first inclined surface groove 11, the two combined grooves are respectively formed by a plurality of ventilation holes 32, one combined groove is arranged above the first inclined surface groove 11, the other combined groove is arranged below the first inclined surface groove 11, after a circuit board is positioned by the four support blocks 10, the two combined grooves on the four support blocks 10 are respectively arranged above and below the circuit board, and then when the electric exhaust fan 31 is started, air inside the support blocks 10 is pumped out, the air is supplemented to the inside the support blocks 10 through the ventilation holes 32, the top area and the bottom area of the support block 10, thereby realizing accurate heat dissipation effect of the probes, and the problem that the circuit board is easy to be blocked by the probe is avoided.
Example 3: the utility model provides a circuit board processing production test system, it is applicable to a circuit board processing production test device, including positioning unit, elevating unit, independently adjust the unit, test unit and close on the radiating unit, elevating unit is connected with independently adjusting the unit for drive positioning unit fixes a position the circuit board, elevating unit still is connected with test unit, is used for making circuit board and test unit establish to be connected after fixing a position the circuit board, tests the circuit board through test unit, is connected with positioning unit close on the radiating unit, is used for carrying out the heat dissipation to test unit's part when fixing a position the circuit board.
Working principle: when in use, after a worker places a circuit board on the tops of the first inclined grooves 11 on the four bearing blocks 10, the two-way screw rod 22 is driven to rotate forwards by the starting motor 21, so that the first connecting block 23 and the second connecting block 24 which are screwed on the outer part of the two-way screw rod 22 are driven to be close to each other, the upper needle plate 2 and the lower needle plate 3 are driven to move towards the circuit board, when the upper needle plate 2 moves downwards, the second inclined grooves 28 at the bottoms of the four driving blocks 27 are abutted with the third inclined grooves 29, and the four driving blocks 27 are driven to move along with the continuous descending of the four driving blocks 27, so that the four bearing blocks 10 are driven to be close to each other along the inner walls of the respective sliding grooves 9, in the process, the circuit board is lifted along the tops of the first inclined grooves 11, the outer wall of the circuit board is abutted with the outer wall of the driven block 12 in the lifting process, so that the driven block 12 is driven to move towards the inner part of the bearing block 10, and the push rod 17 connected with the driven block 12 is driven to move synchronously, the piston 16 is driven to synchronously move, the first spring 18 is compressed, the other piston 16 is driven to move towards the direction of the circuit board by pushing hydraulic oil to flow, the limiting block 13 is driven to abut against the top of the circuit board by the other push rod 17, the circuit board is accurately positioned, the problem that the test point on the circuit board is easy to rub with the probe when the circuit board is placed is avoided, the circuit board is further protected, the first probe 4 and the second probe 5 are driven to synchronously abut against the test point on the top and the test point on the bottom of the circuit board respectively along with the continuous movement of the upper needle board 2 and the lower needle board 3, the circuit board is tested by starting test equipment, in the test process, the air in the support block 10 is pumped out by starting the electric exhaust fan 31, the air is supplemented to the support block 10 through the vent hole 32, and then the speed of the regional circulation of air in circuit board top region and bottom to realize carrying out accurate radiating effect to each probe, avoided each probe to be sheltered from the problem that influences its radiating effect by circuit board and bearing piece 10 easily, ensured each probe to carry out the effect of continuity testing to the circuit board.
It should be noted that, the device structure and the drawings of the present application mainly describe the principle of the present application, in terms of the technology of the design principle, the arrangement of the power unit, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present application, the specific details of the power unit, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art; while certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
In the description of the present application, it should be understood that the directions or positional relationships indicated as being "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are directions or positional relationships based on the drawings are merely for convenience of description of the present application and for simplification of description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (10)
1. The utility model provides a circuit board processing production testing arrangement, includes base (1), its characterized in that still includes positioning unit, and it sets up in the top of base (1) for carry out accurate location to the circuit board, positioning unit is including setting up four support blocks (10) and four spacing subassemblies of installing respectively in four support blocks (10) inside above base (1), support block (10) are hollow structure, four support blocks (10) all are equipped with first inclined plane groove (11) near the top of one side mutually, spacing subassembly is including sliding joint driven block (12) in support block (10) inside, a plurality of drive assembly of setting up stopper (13) and connection between driven block (12) and stopper (13) above driven block (12), stopper (13) slip joint in the inside of support block (10);
an upper needle plate (2) arranged above the positioning unit, wherein a plurality of detachable first probes (4) are arranged at the bottom of the upper needle plate (2);
a lower needle plate (3) arranged below the positioning unit, wherein a plurality of detachable second probes (5) are arranged at the top of the lower needle plate (3);
the lifting unit is arranged on the base (1) and used for driving the upper needle plate (2) and the lower needle plate (3) to synchronously move;
the autonomous adjusting unit is connected with the upper needle plate (2) and is used for driving the positioning unit to operate;
and the adjacent heat dissipation unit is connected with the positioning unit and is used for precisely dissipating heat of the first probe (4) and the second probe (5).
2. The circuit board processing production testing device according to claim 1, wherein four upright posts (6) are fixedly connected to the top of the base (1), top plates (7) are fixedly connected to the top ends of the four upright posts (6), middle plates (8) are fixedly sleeved on the outer parts of the four upright posts (6), the positioning unit is installed on the middle plates (8), a plurality of probe holes (26) are formed in the middle plates (8) in a penetrating mode, four sliding grooves (9) are formed in the tops of the middle plates (8), and four supporting blocks (10) are respectively connected to the inner parts of the four sliding grooves (9) in a sliding mode.
3. The circuit board processing production testing device according to claim 1, wherein two movable grooves (14) are formed in the outer wall of one side, close to the first inclined surface groove (11), of the supporting block (10), and the driven block (12) and the limiting block (13) penetrate through the two movable grooves (14) respectively.
4. The circuit board processing production testing device according to claim 1, wherein the transmission assembly comprises a U-shaped pipe (15) fixedly connected to the inner wall of one side of the bearing block (10) far away from the first inclined surface groove (11), two pistons (16) installed inside the U-shaped pipe (15), two push rods (17) fixedly connected to the outer wall of one side of the two pistons (16) close to the driven block (12) respectively, and a first spring (18) fixedly connected to the outer wall of the other side of one piston (16), the other end of the first spring (18) is fixedly connected with the inner wall of the U-shaped pipe (15), and the other ends of the two push rods (17) are fixedly connected with the outer walls of the driven block (12) and the limiting block (13) respectively.
5. The circuit board processing and production testing device according to claim 1, wherein a plurality of second springs (19) are fixedly connected to the outer wall of one side, far away from the first inclined plane groove (11), of the supporting block (10), the other ends of the second springs (19) are fixedly connected with the inner wall of the sliding groove (9), a limiting block (20) is fixedly connected to the inner wall of the sliding groove (9), and the limiting block (20) is matched with the supporting block (10).
6. The circuit board processing production testing device according to claim 1, wherein the lifting unit comprises a motor (21) installed at the top of the top plate (7), a bidirectional screw rod (22) fixedly connected to the bottom end of an output shaft of the motor (21), four first connecting blocks (23) fixedly connected to the four outer walls of the upper needle plate (2) respectively, and two second connecting blocks (24) fixedly connected to the two outer walls of the two sides of the lower needle plate (3) respectively, one first connecting block (23) is in threaded connection with the outside of the bidirectional screw rod (22), one second connecting block (24) is in threaded connection with the outside of the bidirectional screw rod (22), the bidirectional screw rod (22) penetrates through the middle plate (8) to be arranged and is in rotary connection with the middle plate (8), the bottom end of the bidirectional screw rod (22) is in rotary connection with the top of the base (1), and the autonomous adjusting unit is connected with the first connecting blocks (23).
7. The device for testing the circuit board processing production according to claim 6, wherein a guide post (25) is fixedly connected between the base (1) and the top plate (7), and the other second connecting block (24) and the first connecting block (23) above the other second connecting block (24) are both in sliding sleeve connection with the outside of the guide post (25).
8. The circuit board processing and production testing device according to claim 6, wherein the autonomous adjusting unit comprises four driving blocks (27) fixedly connected to the bottoms of the four first connecting blocks (23), four second inclined surface grooves (28) formed in the bottoms of the four driving blocks (27) and four third inclined surface grooves (29) formed in the tops of the four supporting blocks (10), the four driving blocks (27) are located above the four supporting blocks (10), and the four second inclined surface grooves (28) are matched with the four third inclined surface grooves (29).
9. The circuit board processing production testing device according to claim 1, wherein the number of the adjacent radiating units is four, the four adjacent radiating units are respectively arranged on the four supporting blocks (10), each adjacent radiating unit comprises an air duct (30) arranged on the outer wall of the supporting block (10), an electric exhaust fan (31) arranged in the air duct (30) and two combined grooves formed in the outer wall of one side of the supporting block (10) close to the first inclined surface groove (11), each combined groove is composed of a plurality of ventilation holes (32), one combined groove is located above the first inclined surface groove (11), and the other combined groove is located below the first inclined surface groove (11).
10. The circuit board processing production test system is suitable for the circuit board processing production test device according to any one of claims 1-9, and is characterized by comprising a positioning unit, a lifting unit, an independent adjusting unit, a test unit and a nearby heat radiating unit, wherein the lifting unit is connected with the independent adjusting unit and is used for driving the positioning unit to position the circuit board, the lifting unit is also connected with the test unit and is used for enabling the circuit board to be connected with the test unit after the circuit board is positioned, the circuit board is tested through the test unit, the nearby heat radiating unit is connected with the positioning unit and is used for radiating parts of the test unit when the circuit board is subjected to positioning test.
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| CN117169698B (en) | 2024-05-14 |
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