CN213457237U

CN213457237U - Full-automatic first workpiece inspection machine

Info

Publication number: CN213457237U
Application number: CN202022110507.6U
Authority: CN
Inventors: 朱彦强; 祝斌; 张晓荣; 卞程辉; 谷新
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-15
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a full-automatic first inspection machine, it includes: a frame including a table, a first driving device and a second driving device; the clamping and positioning mechanism comprises a bottom plate, wherein a first side rail and a second side rail for erecting a PCB to be tested are arranged on the bottom plate; the probe module comprises a base, a probe seat and two groups of probe assemblies arranged on the probe seat, wherein the base is provided with a position adjusting assembly for adjusting the longitudinal position and/or the horizontal position of the probe seat, and each group of probe assemblies comprises a bearing platform, a clamping component arranged on the bearing platform and a probe clamped by the clamping component; the control system controls the position adjusting assembly to move to each detection position of the PCB and detects the element to be detected of the PCB through the probe; the full-automatic inspection is realized, and the whole process is intelligent and accurate.

Description

Full-automatic first workpiece inspection machine

Technical Field

The utility model relates to a full-automatic first inspection machine belongs to the check out test set field of electronic component on the PCB board.

Background

The PCB board is provided with electronic elements such as an inductor, a resistor, a capacitor and the like, after the first adhesive film PCB is mounted, the specification values of the elements such as the inductor, the resistor, the capacitor and the like need to be measured, in addition, the polarity of precious chip elements also needs to be confirmed, the first detection is rapidly and accurately finished, and the accuracy of mounting elements is ensured.

The existing measurement method comprises the following steps: 1. after the machine station is pasted with the first piece of the adhesive film plate, an operator manually carries the first piece of the PCB plate to a measuring tool such as a bridge and the like for preparation of measurement; 2. an operator prepares equipment such as a BOM (bill of material) meter, a part position diagram, tweezers, a hot air gun and the like; 3. comparing the part position diagram, finding out corresponding inductance, resistance and capacitance on the PCB for measurement, and recording a measurement value; 4. comparing the position diagram of the part, and detecting the polarity of the precious chip type element; 5. and detecting other elements until all the elements are detected.

The existing measuring method has the following defects: the detection needs the cooperation of multiple persons, and the labor cost is high; the position for measuring the element needs to be manually searched, the gear of the testing instrument needs to be manually adjusted, and the efficiency is low; the measurement results are manually recorded and compared, so that errors are easy to occur; for the measurement of small-size elements, the limit of operators is exceeded, and the bottleneck of process upgrading is caused; the thermosensitive element needs to be heated manually independently, so that the efficiency is low and the control is difficult; the integration level of the manual report files and the factory intelligent manufacturing execution system is low, and the storage/retrieval is difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize the full-automatic first inspection machine of the element that awaits measuring of intelligent detection PCB board.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fully automated first inspection machine, comprising:

the device comprises a rack and a control system, wherein the rack comprises a workbench, and a first driving device and a second driving device are arranged on the workbench;

the clamping and positioning mechanism comprises a first side rail and a second side rail, wherein the first side rail and the second side rail are arranged on the bottom plate and used for erecting a PCB to be tested, and the first driving device can drive the clamping and positioning mechanism to move and position on the workbench along the Y direction;

the probe module comprises a base, a probe seat and two groups of probe assemblies arranged on the probe seat, wherein the base is provided with a position adjusting assembly for adjusting the longitudinal position and/or the horizontal position of the probe seat, each group of probe assemblies comprises a bearing platform, a clamping component arranged on the bearing platform and a probe clamped by the clamping component, and the second driving device can drive the probe module to move and position above the workbench along the X direction; and the number of the first and second groups,

and the control system controls the first driving device, the second driving device and the position adjusting assembly to move the probe assembly to each detection position of the PCB and detects the element to be detected of the PCB through the probe.

As a further improved technical scheme of the utility model, first side rail with be formed with the supporting part that is used for supporting and the relative both sides of the spacing PCB board that awaits measuring on the second side rail, first side rail and/or be provided with on the second side rail and be used for the restriction the locating piece of the front end of PCB board, first side rail with be provided with the top stopper on the second side rail, the inboard of first side rail and/or the inboard of second side rail is provided with the holding piece, the holding piece drives towards being close to or keeping away from through lift actuating mechanism the direction of top stopper removes.

As a further improved technical scheme of the utility model, be provided with the guide rail on the bottom plate, first limit rail and/or second limit rail sliding connection in the guide rail makes first limit rail with width between the second limit rail is adjustable.

As a further improved technical scheme of the utility model, the supporting part does the top of first limit rail inboard with the spout that the top inboard of second limit rail was seted up.

As a further improved technical scheme of the utility model, be provided with width adjustment part and transverse slide rail on the probe seat, every group the plummer of probe subassembly all connect in the below of width adjustment part is followed width adjustment part's drive transverse slide rail slides with the adjustment distance, width adjustment part receives control system control and action.

As a further improved technical solution of the utility model, the width adjustment part is linear motor, linear motor has two drive sliders that can reciprocating motion, every the plummer is installed in one drive slider's below.

As a further improved technical solution of the present invention, the probe seat is provided with a detection camera controlled by the control system to detect the working condition of the probe.

As a further improved technical scheme of the utility model, the position adjustment subassembly including set up in rotary driving mechanism on the base, rotary driving mechanism with the probe seat is connected and is driven the probe seat rotates.

As the utility model discloses further modified technical scheme, the position adjustment subassembly still include with the base is along longitudinal sliding connection's sliding seat and be used for the drive the gliding longitudinal drive mechanism of sliding seat, rotary drive mechanism install in on the sliding seat.

As the utility model discloses further modified technical scheme, be provided with on the base and receive control system control is with the CCD camera that detects the polarity of the component that awaits measuring and/or be used for carrying out the hot-blast rifle that heats to the component that awaits measuring.

Compared with the prior art, the utility model discloses a full-automatic first inspection machine:

(1) the clamping and positioning mechanism is used for clamping and positioning a PCB to be detected, the probe module is used for searching and measuring the position, the control system is used for controlling the clamping and positioning of the clamping and positioning mechanism, the probe module to move to each detection position of the PCB to be detected and controlling the probe module to detect the element to be detected, and therefore full-automatic inspection, whole-process intellectualization and accuracy are achieved.

(2) The clamping and positioning mechanism is used for limiting the PCB in the first horizontal direction through the second side rail and the first side rail; limiting the PCB in a second horizontal direction through the positioning block; the PCB can be longitudinally limited by matching the lifting driving mechanism with the top limiting block, and the structure effectively ensures accurate positioning of the PCB and has simple structure. Set up the locating piece, can be convenient for guarantee the initial point of PCB board, do benefit to the initial point of workstation and set for and the setpoint discernment of PCB board, fix a position the PCB board fast. In addition, when the second side rail is movably arranged relative to the first side rail, clamping and adjustment of the PCB boards with different sizes are facilitated.

(3) The probe module can conveniently adjust the distance between the two clamping components through the width adjusting component so as to adjust the distance of the probe, is convenient to be suitable for measuring physical values of inductance, capacitance and resistance elements with different sizes, particularly small-size elements, such as 0.25 x 0.125mm elements, and effectively improves the limit of the existing measurement. Preferably, still be provided with detection camera, CCD camera and hot-blast rifle, can real-time detection probe's behavior through detecting the camera. By arranging the CCD camera, the function of detecting the polarity of the element to be detected can be realized. By arranging the hot air gun, the element to be detected such as a thermosensitive element can be heated, so that the accuracy of the detection result is ensured. In addition, still be provided with rotation driving mechanism and vertical actuating mechanism, can rotate and vertical removal to the probe seat to reach and adjust the probe to suitable position, carry out automated inspection's needs to the component that awaits measuring of different spatial position with satisfying.

Drawings

Fig. 1 is a schematic perspective view of the fully automatic first inspection machine of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure of the other state of FIG. 2;

FIG. 4 is a schematic structural view of the clamping and positioning mechanism of the fully automatic first inspection machine of the present invention mounted on a worktable;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an exploded view of the clamp positioning mechanism;

fig. 7 is a schematic structural view of a probe module of the fully automatic first inspection machine of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 at another angle;

FIG. 9 is an enlarged view of a portion of the structure of FIG. 7;

FIG. 10 is a perspective view at another angle corresponding to FIG. 9;

FIG. 11 is a front view of FIG. 9;

fig. 12 is a side view of fig. 9.

Detailed Description

Referring to fig. 1 to 3, the present invention discloses a full-automatic first inspection machine 100 for detecting a PCB 200, which includes a frame 1, a clamping and positioning mechanism 2, a probe module 3 and a control system. The clamping and positioning mechanism 2 and the probe module 3 are respectively arranged on the frame 1. The clamping and positioning mechanism 2 is used for clamping and positioning the PCB 200 to be detected, the probe module 3 is used for searching and measuring positions, the control system is used for controlling the clamping and positioning of the clamping and positioning mechanism 2, the probe module 3 to move to each detection position of the PCB 200 to be detected and controlling the probe module 3 to detect the element to be detected, and therefore full-automatic inspection, whole-process intellectualization and accuracy are achieved.

Referring to fig. 2 to 4, the frame 1 includes a table 11, a first driving device 12 and a second driving device 13. The first driving device 12 and the second driving device 13 are respectively mounted on the table 11. The first driving device 12 includes a first translation guide rail 121 and a first translation driving mechanism 122, and the first translation driving mechanism 122 drives the clamp positioning mechanism 2 to slide back and forth on the first translation guide rail 121. The second driving device 13 includes a supporting frame 131, a second translation guide 132, and a second translation driving mechanism 133, the supporting frame 131 is mounted on the worktable 11, the second translation guide 132 is disposed on the supporting frame 131, and the second translation driving mechanism 133 drives the probe module 3 to slide back and forth on the second translation guide 132. The supporting frame 131 is erected above the first translation rail 121, and the extending direction of the first translation rail 121 is perpendicular to the extending direction of the second translation rail 132. Preferably, the first translation drive mechanism 122 and the second translation drive mechanism 133 are electric cylinders, respectively.

Referring to fig. 4 to 6, the clamping and positioning mechanism 2 includes a bottom plate 21, a first side rail 22, a second side rail 23, and a guide rail 24. The base plate 21 is slidably mounted to the table 11 by a first drive 12. The first side rail 22, the second side rail 23 and the guide rail 24 are all arranged on the bottom plate 21, and the first side rail 22 and the second side rail 23 are used for erecting a PCB 200 to be tested. The first driving device 12 can drive the clamp positioning mechanism 2 to move and position in the Y direction on the table 11.

The second side rail 23 is spaced apart from and preferably parallel to the first side rail 22, and the first and second side rails 22 and 23 are formed with support portions for supporting and restraining opposite sides of the PCB 200 (i.e., the PCB 200) thereon, and the support portions are used for placing the PCB 200 and restraining the PCB 200 between the first and second side rails 22 and 23. Preferably, the supporting portion is a sliding groove 251 formed on the top inner side of the first side rail 22 and the top inner side of the second side rail 23, and the PCB 200 may be erected on the two sliding grooves 251, so that two opposite sides of the PCB 200 are limited between the first side rail 22 and the second side rail 23.

The second side rail 23 and the first side rail 22 may be fixed in relative position, or one or both of them may be movable. In the present embodiment, the first side rail 22 is configured as a fixed side rail, the second side rail 23 is configured as a movable side rail, and the second side rail 23 is slidably connected to the guide rail 24 and can move along the guide rail 24 toward or away from the first side rail 22 to adjust the width between the first side rail 22 and the second side rail 23. Of course, the first side rail 22 may also be slidably connected to the guide rail 24, the second side rail 23 is fixed, and the distance between the two can be adjusted by adjusting the first side rail 22; alternatively, the first side rail 22 and the second side rail 23 are both slidably connected to the guide rail 24, and the first side rail 22 and the second side rail 23 are moved in opposite directions, so that the distance therebetween can be adjusted. Preferably, the number of the guide rails 24 is two, the two guide rails 24 are arranged in parallel, the first side rail 22 and/or the second side rail 23 are slidably connected with the guide rails 24 through a bottom slide block (not shown in the figure), and the first side rail 22 and/or the second side rail 23 can be moved relative to the other by a mechanical driving method or can be manually pushed to adjust the distance between the first side rail 22 and the second side rail 23. The second side rail 23 is engaged with the first side rail 22, and can restrict the movement of the PCB 200 in a first horizontal direction, i.e., a Y direction in the drawing.

The first side rail 22 and/or the second side rail 23 are provided with a positioning block 252 for limiting the front end of the PCB 200, in this embodiment, the positioning block 252 is provided inside one end of the first side rail 22, and the positioning block 252 may be optionally provided inside one end of the second side rail 23. The positioning block 252 is used for limiting the movement of the PCB 200 in the second horizontal direction, i.e. the X direction in the figure. In addition, the positioning block 252 can facilitate ensuring the origin of the PCB 200, facilitate setting the origin of the worktable 11 and identifying the positioning points of the PCB 200, and quickly position the PCB 200.

The first side rail 22 and the second side rail 23 are provided with a top stopper 253, the inner side of the first side rail 22 (i.e., the side close to the second side rail 23) and/or the inner side of the second side rail 22 (i.e., the side close to the first side rail 22) are provided with clamping pieces 254, the clamping pieces 254 are driven by the lifting driving mechanism 26 to move towards the direction close to or away from the top stopper 253, and when the clamping pieces 254 move towards the direction close to the top stopper 253, the PCB 200 can be clamped. Under this embodiment, all be provided with a plurality of top stopper 253 on first side rail 22 and the second side rail 23, all set up at interval between the adjacent top stopper 253, preferably equidistant distribution. When the PCB 200 is initially placed, the PCB 200 may be inserted into the sliding groove 251 from below the top stopper 253, and then the second side rail 23 may be adjusted to be close to the first side rail 22, so as to position the PCB 200 in the Y direction. The elevation driving mechanism 26 is selected as an elevation cylinder 261 capable of driving the clamping piece 254 to move so as to clamp the PCB panel 200. As shown in the drawing, the elevating cylinder 261 is located at the outer side of the first and second side rails 22 and 23, and the clamping piece 254 is located at the inner side. Specifically, as shown in fig. 5, grooves 255 are formed in the bottom of the first side rail 22 and the bottom of the second side rail 23, a linkage plate 256 penetrates through the grooves 255, one end of the linkage plate 256 extends to the inner side of the first side rail 22 or the second side rail 23 and is fixed to the clamping piece 254, and the other end of the linkage plate 256 extends to the outer side of the first side rail 22 or the second side rail 23 and is connected to the telescopic shaft of the lifting cylinder 261. Namely, the bottom of each of the first side rail 22 and the second side rail 23 is provided with a groove 255, the linkage plate 256 extends through the groove 255 along the Y direction in the figure, the linkage plate 256 connects the lifting cylinder 261 with the clamping piece 254, so that the position of the clamping piece 254 is driven by the lifting cylinder 261, and when the telescopic shaft of the lifting cylinder 261 extends or retracts, the clamping piece 254 correspondingly moves towards the direction away from or close to the top limit block 253.

As further shown in fig. 4, the bottom plate 21 is slidably disposed on a first translation guide rail 121 on the work table 11, and a first translation driving mechanism 122 for driving the bottom plate 21 to move in the horizontal direction is disposed on the work table 11, so as to move the bottom plate 21, thereby adjusting the clamping and positioning mechanism 2 to a proper position for the operator to operate. The base plate 21 is movable in the Y direction shown in the drawing, and the first translation guide rail 121 provides a guide function to the base plate 21. Preferably, the first translation driving mechanism 122 is an electric cylinder, which can perform linear movement to the base plate 21.

Referring to fig. 4 to 6, when the PCB 200 needs to be loaded into the first side rail 22 and the second side rail 23, the second side rail 23 is adjusted according to the board width of the PCB 200, and the PCB 200 is loaded, for example, the PCB 200 is inserted from one end of the first side rail 22 and the second side rail 23 along the sliding groove 251, and then abuts against the positioning block 252 at the end of the first side rail 22, and the lifting cylinder 261 drives the clamping piece 254 to clamp the PCB 200, so that the positions of the PCB 200 in the X direction, the Y direction, and the Z direction in the drawing are limited. In the process, the first translation driving mechanism 122 can drag the whole base plate 21 to move in the Y direction, so as to adjust the clamping and positioning mechanism 2 to a proper position of the worktable 11. The positioning block 252 may function to determine an origin, i.e., an origin of the position of the PCB panel 200.

The clamping and positioning mechanism 2 of the utility model is convenient for clamping the PCB 200, and is beneficial to adjustment; the PCB 200 can be accurately positioned in all directions, so that subsequent processing or detection and the like of the PCB 200 are facilitated.

Referring to fig. 7 to 12, the probe module 3 includes a base 31, a probe base 32, a probe assembly 33, a position adjusting assembly 34, a width adjusting component 35, and a transverse slide rail 36. The base 31 is slidably mounted on the worktable 11 through the second driving device 13, the second driving device 13 can drive the probe module 3 to move and position along the X direction above the worktable 11, and the probe assemblies 33 have two sets respectively disposed on the probe base 32. A position adjustment assembly 34 is disposed on the base 31 for adjusting the longitudinal position and/or the horizontal position of the probe holder 32. The width adjustment member 35 and the lateral slide rail 36 are disposed on the probe base 32, and each set of the probe assembly 33 includes a stage 331, a clamping member 332 disposed on the stage 331, and a probe 333 clamped by the clamping member 332. The loading platform 331 of each set of probe assembly 33 is connected below the width adjustment component 35 and is driven by the width adjustment component 35 to slide along the transverse slide rail 36 to adjust the distance, and the width adjustment component 35 is controlled by the control system to act.

As shown in fig. 9-12, the width adjustment component 35 and the lateral slide rail 36 are both disposed on the probe holder 32, and the lateral slide rail 36 is located below the width adjustment component 35. Two groups of probe assemblies 33 are slidably connected to the transverse slide rail 36, each group of probe assemblies 33 includes a carrying platform 331, a clamping member 332 and a probe 333, each group of probe assemblies 33 is slidably connected to the transverse slide rail 36 through the carrying platform 331, the number of the carrying platforms 331 is two, the two carrying platforms 331 are slidably connected to the transverse slide rail 36, the two carrying platforms 331 are driven by the width adjusting member 35 to slide along the transverse slide rail 36 to adjust the distance, and the sliding direction of the transverse slide rail 36 is the X direction in the figure. The width adjustment member 35 functions to drive the two stages 331 to move in opposite directions, thereby enabling adjustment of the interval therebetween. The stage 331 is provided with a holding member 332, and the holding member 332 holds the probe 333. Since the probes 333 move along with the holding member 332 and the holding member 332 is mounted on the stage 331, the distance between the two probes 333 is adjusted by the action of the width adjusting member 35 in the figure.

As shown in fig. 7 and 8, in this embodiment, the probe base 32 includes a top plate 321 and a side plate 322 vertically connected to a lower portion of the top plate 321, the side plate 322 extends vertically downward from one end of the top plate 321, the width adjustment member 35 and the transverse slide rail 36 are fixed to the side plate 322, and the transverse slide rail 36 is located below the width adjustment member 35. The top plate 321 can be used to connect the probe seat 32 to other components, such as a subsequent rotary driving mechanism, and the side plate 322 is used to fix the width adjustment component 35 and the lateral slide rail 36. Further, ribs 323 are provided between both ends of the top plate 321 and the side plates 322, and the ribs 323 can serve to structurally reinforce the probe holder 32. Rib 323 is preferably trapezoidal, and spans between top plate 321 and side plate 322, and rib hole 3231 is opened in rib 323.

In order to know the working condition of the probe, the probe seat 32 is provided with a detection camera 37, the detection camera 37 projects a visual field area S, and the detection camera 37 can monitor the condition of the part detected by the probe 333 in real time and can clearly judge whether the probe correctly contacts the part.

In this embodiment, the width adjustment component 35 is a linear motor, the linear motor has two driving sliders 351 capable of reciprocating, and one loading platform 331 is installed below each driving slider 351. That is, the two driving sliders 351 can perform reciprocating linear motion and move in opposite directions, so as to drive the carrier 331 thereon to move in different directions, thereby adjusting the distance of the probe 333. Of course, the width adjustment member 35 is not limited to a linear motor, and other mechanisms capable of achieving reciprocating motion, such as an air cylinder or other screw-nut mechanism, may be selected.

To facilitate adjustment and buffering of the probe 333 in the longitudinal direction, one side of the carrier 331 is slidably connected to the lateral slide rail 36, the other side is provided with the longitudinal slide rail 38, the longitudinal slide rail 38 is slidably connected to the support member 381, and the holding member 332 is fixed to the support member 381, so that the holding member 332 can slide in the longitudinal direction along the longitudinal slide rail 38 by means of the support member 381, i.e., in the Z direction in fig. 7 and 8. The support member 381 is further provided with an elastic member that applies an elastic force to the support member 381 in a direction away from the width adjustment member 35. The elastic member functions in that the probe 333 is in a downward extending state under an elastic force in a normal state, and when the probe holder 32 is moved downward, if the probe 333 impacts a certain position, the elastic member can form a buffering force, so that the probe 333 can move upward in a longitudinal direction, thereby avoiding rigid impact and effectively protecting the probe 333.

The elastic member is a spring 382, and both ends of the spring 382 are respectively connected to the supporting member 381 and the platform 331. Further, the spring 382 is a tension spring, and the supporting member 381 and the platform 331 are respectively provided with a locking hook 383 for mounting an end of the spring 382, as shown in fig. 10. That is, in the normal state, the spring 382 applies an elastic force downward in the Z-axis direction in the drawing to the supporting member 381, and when the probe 333 is subjected to a rigid impact, it is cushioned upward in the Z-axis direction.

In addition, as shown in fig. 7, the clamping members 332 are L-shaped, and the clamping members 332 on the two stages 331 are arranged symmetrically with respect to each other. The clamping member 332 is provided with a square hole 3321.

As shown in fig. 7 and 8, the position adjustment assembly 34 includes a rotary drive mechanism 341, a sliding seat 342, and a longitudinal drive mechanism 343. The rotation driving mechanism 341 is disposed on the base 31, and the rotation driving mechanism 341 is connected to the probe holder 32 and drives the probe holder 32 to rotate. The sliding base 342 is connected with the base 31 in a sliding manner along a longitudinal direction, the longitudinal driving mechanism 343 is used for driving the sliding base 342 to slide, and the rotating driving mechanism 341 is installed on the sliding base 342.

The base 31 is provided with a rotation driving mechanism 341, for example, in this embodiment, the rotation driving mechanism 341 includes a first motor 3411, the first motor 3411 is installed on the motor holder 3412, an output shaft of the first motor 3411 drives the turntable to rotate through gear transmission, and the probe holder 32 is fixed on the turntable, so that when the first motor 3411 rotates, the probe holder 32 can be driven to rotate.

To facilitate the movement of the probe holder 32 in the Z-axis direction in the figure, the rotary driving mechanism 341 is fixed on the sliding seat 342, and the longitudinal driving mechanism 343 drives the rotary driving mechanism 341 to move along the longitudinal direction (i.e. the Z-axis direction in the figure), so as to drive the probe holder 32 to move in the longitudinal direction. In this embodiment, the longitudinal driving mechanism 343 includes a second motor 3431, the second motor 3431 drives the screw sliding table 3432 to rotate, and the sliding base 342 is connected to the screw sliding table 3432. In addition, two guide rails 311 are provided on the base 31, the sliding base 342 is slidably connected to the two guide rails 311, and the sliding base 342 and the guide rails 311 cooperate to achieve a function of sliding and guiding up and down.

In order to realize the function that the polarity of the electronic component of PCB board 200 detected, the utility model discloses set up CCD camera 391 on base 31, acquire the electronic component's of PCB board 200 image information through CCD camera 391 to with the control system cooperation, can realize carrying out the function that detects to the polarity of the part element that awaits measuring of PCB board 200, CCD camera 391 includes CCD (being charge-coupled device) 3911 and light source 3912, and CCD3911 installs in one side of base 31 through first support 392. In order to solve the problem that some specific elements (for example, a heat-sensitive element) need to be heated during the inspection, a heat gun 393 for heating the element to be inspected is provided on the base 31, the heat gun 393 is mounted on a second bracket 394, the second bracket 394 is driven by a lifting cylinder 395 and can move up and down, so that the height position of the heat gun 393 is adjusted, and the lifting cylinder 395 is fixed on the other side of the base 31 through a connecting plate. The hot air gun 393 can heat the element to be detected, so that the thermosensitive element can be detected, and the accuracy of a detection result is ensured. The hot air gun is matched with the control system, so that the automatic heating function can be realized.

The probe module 3 can adjust the distance between the two probes 333 through the width adjusting component 35, so as to measure electronic components, especially smaller components, with different sizes on the PCB 200, for example, 0.25 × 0.125mm components, which is greatly improved compared with 0.6 × 0.3mm, which is currently mainstream. The probe holder 32 can be fixed on the rotation driving mechanism 341, and the position is adjusted by the rotation driving mechanism 341 and the longitudinal driving mechanism 343, according to different coordinates of the electronic components on the PCB 200, the physical values of the inductance, capacitance and resistance components on the whole PCB 200 are measured. The probe assembly 3 is further provided with a detection camera 37, a CCD camera 391 and a hot air gun 393, and the operation of the probe 333 can be detected in real time by the detection camera 37. By providing the CCD camera 391, a function of detecting the polarity of the element to be detected can be realized. By providing the heat gun 393, a device to be tested such as a heat sensitive device can be heated, thereby ensuring the accuracy of the detection result. In addition, the probe module 3 is further provided with a rotation driving mechanism 341 and a longitudinal driving mechanism 343, which can rotate and longitudinally move the probe holder 32, so as to adjust the probe 333 to a suitable position, so as to meet the requirement of automatically detecting the components to be detected at different spatial positions.

The utility model discloses full-automatic first inspection machine 100's working process as follows:

s1, importing the original data into the control system to generate the control program;

s2, loading the PCB 200 to be tested, and clamping and positioning the PCB 200 by the clamping and positioning mechanism 2;

s3, the control system drives the probe 333 to measure;

s4, the hot air gun 393 heats the specific device under test;

s5, the CCD camera 391 detects the polarity of the element;

and S6, automatically generating an electronic form for uploading.

The utility model adopts the full-automatic first piece inspection machine 100 to detect the PCB 200, and the whole process is intelligent and precise; the labor cost is reduced, automatic searching can be realized, the efficiency is high, the measurement result automatically generates a form and is automatically compared, errors are not easy to occur, the size of a measurement element can reach 0.25 x 0.125mm, and the limit of manual operation is broken through; the thermosensitive element is automatically heated by the hot air gun, and the effect is higher and easy to control.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. The utility model provides a full-automatic first workpiece inspection machine which characterized in that: it includes:

the clamping and positioning mechanism comprises a bottom plate, wherein a first side rail and a second side rail for erecting a PCB to be tested are arranged on the bottom plate; the first driving device can drive the clamping and positioning mechanism to move and position on the workbench along the Y direction;

the probe module comprises a base, a probe seat and two groups of probe assemblies arranged on the probe seat, wherein the base is provided with a position adjusting assembly for adjusting the longitudinal position and/or the horizontal position of the probe seat, and each group of probe assemblies comprises a bearing platform, a clamping component arranged on the bearing platform and a probe clamped by the clamping component; the second driving device can drive the probe module to move and position above the workbench along the X direction; and the number of the first and second groups,

2. A full-automatic first workpiece inspection machine according to claim 1, wherein support portions for supporting and limiting opposite sides of a PCB to be inspected are formed on the first side rail and the second side rail, positioning blocks for limiting the front end of the PCB are provided on the first side rail and/or the second side rail, top limit blocks are provided on the first side rail and the second side rail, clamping pieces are provided on the inner side of the first side rail and/or the inner side of the second side rail, and the clamping pieces are driven by a lifting drive mechanism to move towards a direction close to or away from the top limit blocks.

3. A fully automated first item inspection machine according to claim 1, wherein: the bottom plate is provided with a guide rail, and the first side rail and/or the second side rail are/is connected with the guide rail in a sliding manner, so that the width between the first side rail and the second side rail can be adjusted.

4. A fully automated first item inspection machine according to claim 2, wherein: the supporting part is a sliding groove formed in the inner side of the top of the first side rail and the inner side of the top of the second side rail.

5. A fully automated first item inspection machine according to claim 1, wherein: the probe seat is provided with a width adjusting part and a transverse sliding rail, the bearing platform of each group of probe assemblies is connected below the width adjusting part and driven by the width adjusting part to slide along the transverse sliding rail to adjust the distance, and the width adjusting part is controlled by the control system to act.

6. A fully automated first item inspection machine according to claim 5, wherein: the width adjusting component is a linear motor, the linear motor is provided with two driving sliding blocks capable of reciprocating, and each bearing platform is installed below one driving sliding block.

7. A fully automated first item inspection machine according to claim 1, wherein: the probe seat is provided with a detection camera which is controlled by the control system to detect the working condition of the probe.

8. A fully automated first item inspection machine according to claim 1, wherein: the position adjusting assembly comprises a rotary driving mechanism arranged on the base, and the rotary driving mechanism is connected with the probe seat and drives the probe seat to rotate.

9. A fully automated first inspection machine according to claim 8, wherein: the position adjusting assembly further comprises a sliding seat connected with the base in a longitudinal sliding mode and a longitudinal driving mechanism used for driving the sliding seat to slide, and the rotary driving mechanism is installed on the sliding seat.

10. A fully automated first item inspection machine according to claim 1, wherein: the base is provided with a CCD camera controlled by the control system to detect the polarity of the element to be detected and/or a hot air gun for heating the element to be detected.