CN114047368B - Automatic fine-adjustment full-function detection equipment and detection method thereof - Google Patents
Automatic fine-adjustment full-function detection equipment and detection method thereof Download PDFInfo
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- CN114047368B CN114047368B CN202210023037.0A CN202210023037A CN114047368B CN 114047368 B CN114047368 B CN 114047368B CN 202210023037 A CN202210023037 A CN 202210023037A CN 114047368 B CN114047368 B CN 114047368B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G—PHYSICS
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Abstract
The invention provides automatic fine adjustment full-function detection equipment and a detection method thereof, wherein the detection equipment comprises a main body frame for bearing the equipment, an electric system in the main body frame and a detection platform in the main body frame, wherein the detection platform is provided with a fine adjustment mechanism, a positioning mechanism, a moving mechanism and a detection mechanism; the moving mechanism stretches across the detection platform, and the fine adjustment mechanism is positioned on the moving mechanism and used for fine adjustment of the product; the positioning mechanism is positioned above the fine adjustment mechanism and used for detecting the product. According to the automatic fine-adjustment full-function detection equipment provided by the invention, a brand-new four-axis drive is designed to finely adjust the position of a product, the position of the product is accurately positioned through a CCD camera, the fine-adjustment possibility and accuracy are realized, a detection weight penetrates through a detection plate during detection, an internal pressure sensor is detected while the electrical connection of the product is detected, one-side positioning and full-function detection are realized, and the detection efficiency and the detection accuracy of an enterprise on the product are improved.
Description
Technical Field
The present invention relates to an automatic detection device, and more particularly, to an automatic fine-tuning full-function detection device and a detection method applied thereto.
Background
At present, electronic products need to carry out electricity detection after finishing production, make it satisfy corresponding electricity requirement, this just requires to carry out electricity between product and the detection probe and is connected, it is well known, electricity is connected and is needed the cooperation of high accuracy and is refuted and connect, if there is not the shell that the restriction removed, the probe of interface just must carry out high-precision contact and keep the measuring time with the product, need guarantee the stability of product and probe at this in-process, just can have good detection, because the interface of electronic products all is the appearance of small-size, consequently, need operating personnel to carry out manual operation in the testing process and just can satisfy the detection demand, so just can't realize the scale detection of product, influence whole production detection efficiency.
Meanwhile, in the traditional detection process, the product needs to be accurately positioned, the product is directly positioned by using a jig, in the process, the product can only carry out electrical detection and cannot detect other items, for example, a central control board of a notebook computer is I-shaped in structure, a flexible wire joint is outwards extended from the middle for electrical connection, pressure sensors are arranged at four corners of the central control board and used for sensing pressure to carry out control operation, the flexible wire joint is made of rubber and plastic joints, the size is small, and the flexible wire joint cannot be fixed for convenient installation, so that the position of the flexible wire joint at one side of the central control board cannot be determined, when the flexible wire joint is connected and electrified for detection, the pressure sensors are also electrified and activated, if the flexible wire joint is detected at the moment, the connection signal of the pressure sensors can be directly detected through electrical connection, the existing equipment can not detect the pressure of the flexible wire joint at the same time, so that the flexible wire joint needs to be connected again during pressure detection, the production detection efficiency is directly influenced, and the production economic benefit of an enterprise is further influenced.
Due to the characteristics of the flexible wire joint, an operator is required to perform manual operation in the detection process, and the position of the joint is uncertain, so that streamlined operation cannot be formed, and products can only be manually checked one by one, so that the labor cost is increased, and the detection efficiency is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an automatic fine setting full function check out test set and detection method, designs brand-new equipment structure, carries out the accurate positioning to the patchcord joint of central control board, carries out accurate judgement through the CDD camera to the position of joint again to use this as the basis to carry out electricity and connect, this in-process again carries out pressure detection to the pressure sensor in central control board four corners, realizes the once location full function of central control board and detects, improves the detection efficiency of enterprise greatly, reduces the cost of labor.
In order to solve the technical problems, the technical scheme of the invention is as follows: a product to be detected is a central control panel of a notebook computer, the central control panel is I-shaped, a flexible wire joint extends from one side of the central control panel, one end of the flexible wire joint is fixedly connected with the central control panel, the other end of the flexible wire joint is freely placed and is not fixed, pressure sensors are arranged on the periphery of the central control panel, and the flexible wire joint and the pressure sensors need to be detected simultaneously; the detection equipment comprises a main body frame for bearing the equipment, an electrical system in the main body frame and a detection platform in the main body frame, wherein the detection platform is provided with a fine adjustment mechanism, a positioning mechanism, a moving mechanism and a detection mechanism; the moving mechanism spans the detection platform, bears a product jig for detection and positioning, and moves on the detection platform; the fine adjustment mechanism is positioned on the moving mechanism, freely moves on the moving mechanism, is positioned at one side of the product jig and faces the product jig to perform fine adjustment on the product; the positioning mechanism is positioned above the fine adjustment mechanism and faces one end of the moving mechanism; the detection mechanism is positioned in the main body frame and faces the other end of the moving mechanism to detect the product;
the fine adjustment mechanism adopts a four-axis linkage mechanism and comprises a movable base, a supporting platform, a four-axis drive and a suction head; the movable base is positioned on the moving mechanism, is matched with the moving mechanism and freely moves on the moving mechanism; the supporting table is positioned on one side of the movable base, is fixedly connected with the movable base and bears the product jig on the surface; the four-axis drive is positioned on the movable base and connected with the movable base, and one side of the four-axis drive is connected with the suction head; the suction head is positioned on one side of the four-axis drive and is positioned above the product jig;
the positioning mechanism is positioned above the main body frame, is connected with the top of the main body frame and comprises a moving assembly and a CCD camera, wherein the moving assembly is positioned on the main body frame, is fixedly connected with the main body frame and is distributed along the vertical direction; the CCD cameras are positioned below the moving assembly, connected with the moving assembly and facing the product jig, and each CCD camera adopts two cameras as a group and is matched for use;
the detection mechanism comprises a detection plate, a detection motor, a movable bracket and a detection weight; the detection motor is positioned below the top of the main body frame, is fixedly connected with the main body frame and drives the movable bracket; the movable bracket is positioned below the detection motor, is connected with the detection motor and moves in the vertical direction; the detection weights are positioned in the movable support, matched with the movable support, penetrate through the detection plate and are abutted against the product to provide the weight for pressure detection, and four detection weights are arranged and respectively correspond to the pressure sensors on four corners of the product; the detection plate is positioned below the movable bracket, is fixedly connected with the movable bracket and is matched with the detection weight;
when the device works, a product is clamped and placed on the product jig through the mechanical arm, the appearance of the product is matched with the product jig, the CCD camera moves downwards along with the moving assembly, the front surface of the CCD camera faces the product jig to shoot and position, the deviation between the product and a standard position is detected, the fine adjustment mechanism absorbs a flexible wire joint on the product through the suction head, four-axis linkage is used for fine adjustment of the position, the CCD camera is used for confirming, the product jig fixes the position of the product after confirmation, the moving mechanism drives the product jig and the fine adjustment mechanism to move to the position below the detection mechanism, the detection motor is started at the moment to drive the moving support to descend at a constant speed, the detection plate is pressed on the surface of the product to realize electrical conduction, and the detection weights are simultaneously pressed on the four corners of the product, and after the electricity is conducted, product detection is carried out, the electrical performance of the product and the pressure sensors at four corners are simultaneously detected, and detection data are displayed outwards through the electricity connection, so that automatic detection is completed.
Further, the four-axis drive comprises a drive support, an X-axis linear drive, a Y-axis linear drive, a Z-axis linear drive and an R-axis rotary drive; the X-axis linear drive is positioned on the movable base, is connected with the drive support and realizes the horizontal movement of the drive support along the X-axis direction; the Y-axis linear drive is positioned on one side of the X-axis linear drive and is positioned on one side of the drive support, and the horizontal movement of the drive support is realized along the Y-axis direction; the Z-axis linear drive is positioned below the drive support, and the vertical movement of the drive support is realized along the Z-axis direction; the R-axis rotary drive is positioned at one side of the suction head, one end of the R-axis rotary drive is connected with the drive support, and the other end of the R-axis rotary drive is connected with the suction head to drive the suction head to realize rotary motion in space.
Furthermore, the driving support is composed of a plurality of sliding blocks which are matched with each other, and movement or rotation in the space is realized under the action of X-axis linear driving, Y-axis linear driving, Z-axis linear driving and R-axis rotary driving.
Furthermore, the bottom surface of the detection plate is provided with a detection probe which corresponds to a flexible wire joint on the product.
Further, each detection weight comprises a detection column, a weight block and a supporting pad; the four supporting pads are uniformly distributed in the movable support and bear the weight blocks; the weight block is positioned on the supporting pad, and the bottom surface of the weight block is in contact with the supporting pad; the detection column penetrates through the weight block, simultaneously penetrates through the movable support and the detection plate, and moves downwards to abut against the product.
Furthermore, each detection weight adopts a weight with the weight of 800g, the error is +/-0.3 g, the pressure of fingers of an operator is simulated, the simulated working state of the central control panel is carried out, and the detection is realized.
Furthermore, the detection motor is connected with the movable support through a screw rod to drive the movable support to move at a constant speed, and the moving speed is 3-10 mm/s.
Further, the movable support comprises a fixed support, a movable rail and a weight box; the fixed support is positioned inside the main body frame and fixed at the top of the main body frame; the moving tracks are positioned at two sides of the fixed support and fixed on the fixed support; the weight box is positioned on one side of the moving track and is positioned below the fixed support, is connected with the detection motor through a lead screw, moves in the vertical direction along the moving track and bears the detection weight.
Furthermore, the product jig is provided with a positioning hole, the positioning hole is arranged on the lower surface of the product and communicated with a vacuum air source, and negative pressure is formed after the product is positioned to adsorb the product in the product jig.
Furthermore, the moving mechanism adopts a guide rail structure and is arranged on the detection platform, one detection platform is provided with a plurality of parallel moving mechanisms which are in one-to-one correspondence with the fine adjustment mechanisms, the positioning mechanisms and the detection mechanisms, and the detection platform of one device is provided with multi-station detection.
Further, the detection method comprises the following steps: firstly, clamping a product on the product jig by a manipulator for placing, matching the product appearance with the product jig, and determining the appearance and the position of the product by the product jig; secondly, the CCD camera moves downwards along with the moving assembly, the front surface of the CCD camera faces the product jig, a product in the product jig is photographed and positioned, a position photo of a flexible wire joint on the product is collected and compared with a standard position photo, fine tuning data is obtained by calculating the data difference between the central line of the flexible wire joint and the central line of the product jig, and the fine tuning data is transmitted to the fine tuning mechanism; thirdly, the fine adjustment mechanism absorbs a flexible wire joint on a product through the suction head, fine adjustment of the position of four-axis linkage is carried out through fine adjustment data, the flexible wire joint is moved to a standard detection position, fourthly, the CCD camera is used for shooting again, the obtained picture shot again is compared with the standard picture, and the product jig is used for generating negative pressure to fix the position of the product after the data are confirmed to be accurate; fifthly, the moving mechanism drives the product jig and the fine adjustment mechanism to move together to the position below the detection mechanism, and the product jig and the fine adjustment mechanism are positioned through the moving mechanism; and sixthly, starting the detection motor to drive the movable support to descend at a constant speed, pressing the detection plate to the surface of the product, enabling the probes on the detection plate to be abutted to the flexible wire joints to realize electrical conduction, simultaneously pressing the detection weights at four corners of the product, detecting the product after the electrical conduction, simultaneously detecting the electrical performance of the product and the pressure sensors at the four corners, and displaying detection data outwards through electrical connection to finish automatic detection.
Further, in the first step, the product jig and the product specification correspond to each other, a product of one specification corresponds to a product jig of one specification, and different products are detected and need to be replaced with the product jig of different sizes.
Further, in the second step, the CCD camera captures two side edges of the product jig that limit the product space, calculates the center line of the product jig, and simultaneously captures two side edges of the cord joint to calculate the center line of the cord joint, compares the center line with the center line of the product jig, and calculates the fine adjustment data.
Furthermore, four detection weights in the sixth step adopt standard weight and are abutted to pressure sensors on products, detection data of the pressure sensors are displayed on a display communicated with detection equipment through connection of flexible wire joints, and rapid detection is achieved.
Compared with the prior art, the automatic fine-adjustment full-function detection equipment provided by the invention has the advantages that a brand-new four-axis drive is designed to finely adjust the position of a product, the position of the product is accurately positioned through the CCD camera, the fine-adjustment possibility and accuracy are realized, a detection weight penetrates through the detection plate during detection, the internal pressure sensor is detected while the electrical connection of the product is detected, one-side positioning and full-function detection are realized, and the detection efficiency and the detection accuracy of an enterprise on the product are improved.
Drawings
Fig. 1 shows a schematic structural diagram of the present invention.
Fig. 2 shows a schematic structural view of the fine adjustment mechanism of the present invention.
Fig. 3 shows a schematic structural view of the positioning mechanism of the present invention.
Fig. 4 shows a schematic configuration of the detection mechanism of the present invention.
FIG. 5 shows a schematic structural diagram of the detection platform of the present invention.
Fig. 6 shows a schematic structural diagram of a product fixture and a product to be tested according to the present invention.
Wherein: 1. the device comprises a main body frame, 2, a detection platform, 3, a fine adjustment mechanism, 4, a positioning mechanism, 5, a moving mechanism, 6, a detection mechanism, 7, a product jig, 8, a product to be detected, 31, a moving base, 32, a supporting table, 33, a four-axis drive, 34, a suction head, 331, a drive support, 332, an X-axis linear drive, 333, a Y-axis linear drive, 334, a Z-axis linear drive, 335, an R-axis rotary drive, 41, a moving assembly, 42, a CCD camera, a detection plate 61, 62, a detection motor, 63, a moving support, 64, a detection weight, 631, a fixed support, 632, a moving track, 633, a weight box, 641, a detection column, 642, a weight block, 643, a support pad, 71, a positioning hole and 81, and a flexible wire joint.
Detailed Description
As shown in the figure, the automatic fine-tuning full-function detection device comprises a main body frame 1 for bearing the device, an electrical system in the main body frame 1, and a detection platform 2 in the main body frame 1, wherein a fine-tuning mechanism 3, a positioning mechanism 4, a moving mechanism 5 and a detection mechanism 6 are arranged on the detection platform 2; the moving mechanism 5 spans the detection platform 2, bears a product jig 7 for detection and positioning, and moves on the detection platform 2; the fine adjustment mechanism 3 is positioned on the moving mechanism 5, freely moves on the moving mechanism 5, is positioned on one side of the product jig 7 and faces the product jig 7, and is used for fine adjustment of a product; the positioning mechanism 4 is positioned above the fine adjustment mechanism 3 and faces one end of the moving mechanism 5; the detection mechanism 6 is positioned in the main body frame 1 and faces the other end of the moving mechanism 5 to detect the product;
the fine adjustment mechanism 3 adopts a four-axis linkage mechanism and comprises a movable base 31, a support table 32, a four-axis drive 33 and a suction head 34; the movable base 31 is positioned on the moving mechanism 5, is matched with the moving mechanism 5 and can freely move on the moving mechanism 5; the supporting platform 32 is located at one side of the movable base 31, is fixedly connected with the movable base 31, and bears the product jig 7 on the surface; the four-axis drive 33 is positioned on the movable base 31, is connected with the movable base 31, and is connected with the sucker 34 at one side; the suction head 34 is positioned at one side of the four-axis drive 33 and is positioned above the product jig 7;
the positioning mechanism 4 is located above the main body frame 1, is connected with the top of the main body frame 1, and comprises a moving assembly 41 and a CCD camera 42, wherein the moving assembly 41 is located on the main body frame 1, is fixedly connected with the main body frame 1, and is distributed along the vertical direction; the CCD cameras 42 are located below the moving assembly 41, connected to the moving assembly 41, and face the product fixture 7, and each CCD camera 42 uses two cameras as a group and is used in cooperation;
the detection mechanism 6 comprises a detection plate 61, a detection motor 62, a movable bracket 63 and a detection weight 64; the detection motor 62 is positioned below the top of the main body frame 1, is fixedly connected with the main body frame 1, and drives the moving bracket 63; the movable bracket 63 is positioned below the detection motor 62, is connected with the detection motor and moves in the vertical direction; the detection weights 64 are positioned in the movable bracket 63, matched with the movable bracket 63, penetrate through the detection plate 61 and are abutted against the product to provide the weight for pressure detection, and four detection weights 64 are arranged and respectively correspond to the pressure sensors on four corners of the product; the detection plate 61 is positioned below the movable bracket 63, is fixedly connected with the movable bracket 63, and is matched with the detection weight 64.
In one embodiment, the four-axis drive 33 includes a drive support 331, an X-axis linear drive 332, a Y-axis linear drive 333, a Z-axis linear drive 334, and an R-axis rotary drive 335; the X-axis linear drive 332 is positioned on the moving base 31, is connected with the drive support 331, and realizes the horizontal movement of the drive support 331 along the X-axis direction; the Y-axis linear drive 333 is positioned at one side of the X-axis linear drive 332 and at the same time positioned at one side of the drive support 331, and realizes the horizontal movement of the drive support 331 along the Y-axis direction; the Z-axis linear driver 334 is located below the driving support 331, and realizes the vertical movement of the driving support 331 along the Z-axis direction; r axle rotary drive 335 be located one side of suction head 34, one end is connected the drive support 331, one end is connected suction head 34, drive suction head 34 realize the rotation in the space, the high accuracy fine setting is realized in the four-axis linkage, the fine setting size reaches 1 um.
In one embodiment, the driving support 331 comprises a plurality of sliding blocks which are matched with each other, and the movement or rotation in the space is realized under the actions of the X-axis linear drive 332, the Y-axis linear drive 333, the Z-axis linear drive 334 and the R-axis rotary drive 335, so that the flexible wire joint of the product can be accurately adjusted according to the photo comparison, and the joint is ensured to correspond to the detection plate 61.
In one embodiment, the bottom surface of the detection plate 61 is provided with detection probes corresponding to the flexible cord joints on the product, when the detection plate 61 descends to the surface of the product, the detection probes are in contact with the flexible cord joints to realize electrical connection, and the detection plate 61 maintains a downward pressing state to ensure the stability of the product in the whole detection process and ensure the accuracy of detection data.
In one embodiment, each of the check weights 64 includes a check post 641, a weight block 642, and a support pad 643; the four supporting pads 643 are uniformly distributed in the movable bracket 63 and bear the weight blocks 642; the weight block 642 is positioned on the supporting pad 643, and the bottom surface of the weight block is in contact with the supporting pad 643; the detection column 641 penetrates through the weight block 642, penetrates through the movable bracket 63 and the detection plate 61 at the same time, moves downwards to abut against a product, a rubber pad is arranged at the bottom of the detection column 641, when the rubber pad abuts against the product, the movable bracket continues to move downwards, the weight block 642 is fixedly connected with the detection column 641, therefore, the weight of the weight block 642 is applied to the surface of the product through the detection column 641, and is not born by the support pad 643 any more, and because the movable bracket 63 moves at a constant speed, no additional acceleration pressure is generated on the product, and the pressure sensors at four corners of the product are ensured to receive the detection of standard pressure.
In one embodiment, each of the check weights 64 is a weight with a weight of 800g, the error is ± 0.3g, and the weight of 800g is determined by experiments to be the weight pressed by the fingers of a normal person, so that the standard weight is set to 800g during detection, the pressure of the fingers of an operator is simulated, and the simulated working state of the center control panel is performed to realize detection.
In one embodiment, the detection motor 62 is connected with the movable support 63 through a lead screw to drive the movable support 63 to move at a constant speed, the moving speed is 3-10mm/s, and experiments show that the influence of the generated acceleration on the pressure is minimum when the weight moves to the surface of a product in the speed range.
In one embodiment, the moving bracket 63 comprises a fixed support 631, a moving rail 632 and a weight box 633; the fixed support 631 is located inside the main body frame 1 and fixed on the top of the main body frame 1; the moving track 632 is located at two sides of the fixed support 631 and fixed on the fixed support 631; the weight box 633 is positioned at one side of the moving track 632, is positioned below the fixed support 631, is connected with the detection motor 62 through a screw rod, moves in the vertical direction along the moving track 632, and bears the detection weight 64.
In one embodiment, the product fixture 7 is provided with a positioning hole 71, the positioning hole 71 is arranged on the lower surface of the product and is communicated with a vacuum air source, a negative pressure is formed after the product is positioned, the product is adsorbed in the product fixture 7, the phenomenon that a flexible wire joint of the product is bent in the product fixture 7 can be effectively prevented, and therefore the positioning accuracy of the CCD camera 42 is ensured.
In one embodiment, the moving mechanism 5 is a guide rail structure and is disposed on the detection platform 2, and a plurality of parallel moving mechanisms 5 are disposed on one detection platform 2 and correspond to a plurality of fine adjustment mechanisms 3, positioning mechanisms 4 and detection mechanisms 6 one by one, so that multi-station detection is formed on the detection platform 2 of one device, and the detection efficiency is improved.
In one embodiment, the detection method is as follows: firstly, clamping a product on a product jig 7 through a manipulator for placing, matching the product appearance with the product jig 7, and determining the product appearance and position through the product jig 7; secondly, the CCD camera 42 moves downward along with the moving component 41, the front surface faces the product fixture 7, the product in the product fixture 7 is photographed and positioned, the position picture of the flexible wire joint on the product is collected and compared with the standard position picture, fine tuning data is obtained by calculating the data difference between the center line of the flexible wire joint and the center line of the product fixture 7, and the fine tuning data is transmitted to the fine tuning mechanism 3; thirdly, the fine adjustment mechanism 3 sucks the flexible wire joint on the product through the suction head 34, fine adjustment of the position of four-axis linkage is carried out through fine adjustment data, and the flexible wire joint is moved to a standard detection position; fourthly, taking a picture again through the CCD camera 42, comparing the picture obtained by taking the picture again with a standard picture, and fixing the position of the product by utilizing the negative pressure generated by the product jig 7 after confirming that the data is accurate; fifthly, the moving mechanism 5 drives the product jig 7 and the fine adjustment mechanism 3 to move together to the lower part of the detection mechanism 6, and the product jig and the fine adjustment mechanism are positioned by the moving mechanism 5; sixthly, the detection motor 62 is started to drive the movable support 63 to descend at a constant speed, the detection plate 61 is pressed to the surface of the product, the probes on the detection plate 61 are abutted to the flexible wire joints to achieve electrical conduction, the detection weights 64 are simultaneously pressed at four corners of the product, the product detection is performed after the electrical conduction, the electrical performance of the product and the pressure sensors at the four corners are simultaneously detected, the detection data are displayed outwards through electrical connection, and automatic detection is completed.
In one embodiment, in the first step, the product jigs 7 correspond to product specifications, a product of one specification corresponds to a product jig of one specification, and different products are detected to require the product jigs 7 of different sizes to be replaced.
In one embodiment, in the second step, the CCD camera 42 captures two sides of the product fixture 7 that limit the product space, calculates the center line of the product fixture 7, and captures two sides of the flex connector to calculate the center line of the flex connector, and compares the center line with the center line of the product fixture 7 to calculate the fine tuning data.
In one embodiment, in the sixth step, the four detection weights 64 adopt standard weights, and are abutted against pressure sensors on the product, and detection data of the pressure sensors are displayed on a display communicated with the detection equipment through connection of flexible wire joints, so that rapid detection is realized.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (14)
1. A product to be detected is a central control panel of a notebook computer, the central control panel is I-shaped, a flexible wire joint extends from one side of the central control panel, one end of the flexible wire joint is fixedly connected with the central control panel, the other end of the flexible wire joint is freely placed and is not fixed, pressure sensors are arranged on the periphery of the central control panel, and the flexible wire joint and the pressure sensors need to be detected simultaneously; the detection equipment comprises a main body frame for bearing the equipment, an electrical system in the main body frame and a detection platform in the main body frame, wherein the detection platform is provided with a fine adjustment mechanism, a positioning mechanism, a moving mechanism and a detection mechanism; the moving mechanism spans the detection platform, bears a product jig for detection and positioning, and moves on the detection platform; the fine adjustment mechanism is positioned on the moving mechanism, freely moves on the moving mechanism, is positioned at one side of the product jig and faces the product jig to perform fine adjustment on the product; the positioning mechanism is positioned above the fine adjustment mechanism and faces one end of the moving mechanism; the detection mechanism is positioned in the main body frame and faces the other end of the moving mechanism to detect the product;
the device is characterized in that the fine adjustment mechanism adopts a four-axis linkage mechanism and comprises a movable base, a supporting table, a four-axis drive and a suction head; the movable base is positioned on the moving mechanism, is matched with the moving mechanism, freely moves on the moving mechanism and bears the whole fine adjustment mechanism; the supporting table is positioned on one side of the movable base, is fixedly connected with the movable base, bears the product jig on the surface, and is used for placing the product jig and a product to be detected; the four-axis drive is positioned on the movable base and connected with the movable base, and meanwhile, one side of the four-axis drive is connected with the suction head, so that the suction head can be accurately adjusted in space by utilizing the four-axis linkage principle; the suction head is positioned on one side of the four-axis drive and is positioned above the product jig at the same time, and is used for sucking the flexible wire joint on the product and adjusting the flexible wire joint to a detection position;
the positioning mechanism is positioned above the main body frame, is connected with the top of the main body frame and comprises a moving assembly and a CCD camera, wherein the moving assembly is positioned on the main body frame, is fixedly connected with the main body frame and is distributed along the vertical direction to drive the CCD camera to move and adjust the focal length; the CCD cameras are positioned below the moving assembly, connected with the moving assembly and facing the product jig, two cameras are adopted in each CCD camera as a group and are matched for use, position pictures of the product are photographed and compared, and then guide data are provided for the action of the fine adjustment mechanism;
the detection mechanism comprises a detection plate, a detection motor, a movable bracket and a detection weight; the detection motor is positioned below the top of the main body frame, is fixedly connected with the main body frame and drives the movable support to move at a constant speed in the vertical direction; the movable bracket is positioned below the detection motor, is connected with the detection motor, moves in the vertical direction and bears the detection weight; the detection weights are positioned in the movable support, matched with the movable support, penetrate through the detection plate and are abutted to the product to provide the weight for pressure detection, the detection weights are provided with four pressure sensors which respectively correspond to four corners of the product, when the weight of the detection weights is completely pressed on the surface of the product, the detection weights do not move along with the movable support and stand on the surface of the product, and standard pressure detection is realized; the detection plate is positioned below the movable support, is fixedly connected with the movable support, is matched with the detection weight and is in contact with a flexible wire joint of a product, and electrical connection is realized.
2. The automatic fine-tuning full-function detection device according to claim 1, wherein the four-axis drive comprises a drive support, an X-axis linear drive, a Y-axis linear drive, a Z-axis linear drive and an R-axis rotary drive; the X-axis linear drive is positioned on the movable base, is connected with the drive support and realizes the horizontal movement of the drive support along the X-axis direction; the Y-axis linear drive is positioned on one side of the X-axis linear drive and is positioned on one side of the drive support, and the horizontal movement of the drive support is realized along the Y-axis direction; the Z-axis linear drive is positioned below the drive support, and the vertical movement of the drive support is realized along the Z-axis direction; the R-axis rotary drive is positioned at one side of the suction head, one end of the R-axis rotary drive is connected with the drive support, and the other end of the R-axis rotary drive is connected with the suction head to drive the suction head to realize rotary motion in space.
3. The automatic fine-adjustment full-function detection device as claimed in claim 2, wherein the driving support is composed of a plurality of sliding blocks which are matched with each other, and the movement or rotation in the space is realized under the action of the X-axis linear driving, the Y-axis linear driving, the Z-axis linear driving and the R-axis rotary driving.
4. The automatic fine-adjustment full-function detection device as claimed in claim 1, wherein the bottom surface of the detection plate is provided with detection probes corresponding to the flexible cord connectors on the product, the detection probes are contacted with the flexible cord connectors and then kept in contact with the flexible cord connectors, and an electronic system of the device is operated to connect the product to a power supply to realize electrical connection.
5. The apparatus according to claim 1, wherein each of said test weights comprises a test column, a weight block and a support pad; the four supporting pads are uniformly distributed in the movable support, positioned at the bottom of the weight block and used for bearing the weight block; the weight block is positioned on the supporting pad, the bottom surface of the weight block is in contact with the supporting pad, and the weight block moves along with the movable support until the weight block presses the surface of a product; the detection column penetrates through the weight block, simultaneously penetrates through the movable support and the detection plate, moves downwards to abut against a product, when the detection column abuts against the surface of the product, the movable support continues to move downwards, the weight block is separated from the support pad, the weight is supported through a contact point of the detection column and the surface of the product, and then standard pressure is applied to the detection surface of the product.
6. The apparatus as claimed in claim 5, wherein the weight of each check weight is 600-1000g, so as to ensure the weight of the check weight and improve the checking accuracy.
7. The automatic fine-adjustment full-function detection device according to claim 1, wherein the detection motor is connected with the movable support through a lead screw to drive the movable support to move at a constant speed, so that influence of acceleration on a product is reduced.
8. The automatic fine-tuning full-function test device according to claim 1, wherein the movable support comprises a fixed support, a movable rail and a weight box; the fixed support is positioned in the main body frame, is fixed at the top of the main body frame and bears the whole movable support; the movable rails are positioned at two sides of the fixed support, are fixed on the fixed support and provide movable support and rails for the weight box; the weight box is positioned on one side of the moving track and is positioned below the fixed support, is connected with the detection motor through a lead screw, moves in the vertical direction along the moving track and bears the detection weight.
9. The automatic fine-adjustment full-function detection device according to claim 1, wherein the product fixture is provided with a positioning hole, the positioning hole is arranged on the lower surface of a product and communicated with a vacuum air source, negative pressure is formed after the product is positioned, the product is adsorbed in the product fixture, and the situation that the product is warped in space and cannot be judged by shooting is prevented.
10. The automatic fine-adjustment full-function detection device according to claim 1, wherein the moving mechanism is a guide rail structure and is arranged on the detection platform, and a plurality of parallel moving mechanisms are arranged on one detection platform and correspond to the fine-adjustment mechanisms, the positioning mechanisms and the detection mechanisms one by one, so that multi-station detection is formed on the detection platform of one device.
11. The method for testing an automatic fine-tuning full-function testing device according to any one of claims 1-10, wherein the testing method comprises the following steps:
firstly, clamping a product on the product jig by a manipulator for placing, matching the product appearance with the product jig, and determining the appearance and the position of the product by the product jig;
secondly, the CCD camera moves downwards along with the moving assembly, the front surface of the CCD camera faces the product jig, a product in the product jig is photographed and positioned, a position photo of a flexible wire joint on the product is collected and compared with a standard position photo, fine tuning data is obtained by calculating the data difference between the central line of the flexible wire joint and the central line of the product jig, and the fine tuning data is transmitted to the fine tuning mechanism;
thirdly, the fine adjustment mechanism absorbs the flexible wire joint on the product through the suction head, fine adjustment of the position of four-axis linkage is carried out through fine adjustment data, and the flexible wire joint is moved to a standard detection position;
fourthly, shooting again through the CCD camera, comparing the picture obtained by shooting again with a standard picture, and fixing the position of the product by utilizing the negative pressure generated by the product jig after confirming that the data is accurate;
fifthly, the moving mechanism drives the product jig and the fine adjustment mechanism to move together to the position below the detection mechanism, and the product jig and the fine adjustment mechanism are positioned through the moving mechanism;
and sixthly, starting the detection motor to drive the movable support to descend at a constant speed, pressing the detection plate to the surface of the product, enabling the probes on the detection plate to be abutted to the flexible wire joints to realize electrical conduction, simultaneously pressing the detection weights at four corners of the product, detecting the product after the electrical conduction, simultaneously detecting the electrical performance of the product and the pressure sensors at the four corners, and displaying detection data outwards through electrical connection to finish automatic detection.
12. The method as claimed in claim 11, wherein in the first step, the product jigs correspond to product specifications, a product of one specification corresponds to a product jig of one specification, and different products are inspected to replace the product jigs of different sizes.
13. The inspection method of claim 12, wherein in the second step, the CCD camera captures two sides of the product fixture that limit the product space, calculates the center line of the product fixture, and captures two sides of the flex connector to calculate the center line of the flex connector, which is compared with the center line of the product fixture to calculate the trimming data.
14. The detection method of the automatic fine-tuning full-function detection device as claimed in claim 13, wherein in the sixth step, the four detection weights adopt standard weights and are abutted against the pressure sensors on the product, and detection data of the pressure sensors are displayed on a display communicated with the detection device through connection of the flexible wire joints, so that rapid detection is realized.
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| EP2717122B1 (en) * | 2012-10-04 | 2018-12-05 | BlackBerry Limited | Camera-equipped stylus pen cap |
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| CN107528509A (en) * | 2016-06-21 | 2017-12-29 | 李征 | A kind of four shaft step motor control systems of laser welding machining tool |
| CN109511258B (en) * | 2018-12-25 | 2023-12-05 | 东莞市沃德精密机械有限公司 | Automatic mounting equipment |
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| CN110465447A (en) * | 2019-08-09 | 2019-11-19 | 深圳市瑞飞科技有限公司 | Automatic dress pin point glue assembly line |
| CN113126004A (en) * | 2021-04-21 | 2021-07-16 | 厦门山高科技有限公司 | Flexible joint test machine |
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Address after: 215000 Building D, No. 18, Baihe street, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Weidazhi Technology Co.,Ltd. Address before: 215000 Building D, No. 18, Baihe street, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU WEIDAZHI ELECTRONIC TECHNOLOGY Co.,Ltd. |