CN114324161A - Electronic chip visual detection device - Google Patents

Abstract

The invention discloses an electronic chip visual detection device, which relates to the technical field of electronic chip visual detection devices and comprises a bottom plate, a mobile unit and a camera detection unit; the left side and the right side of the upper end of the bottom plate are provided with side supporting plates; the mobile unit contains the spreader, control the motor, control the screw rod, the sliding groove board, front and back slide bar and front and back screw rod, the upper end at two limit faggings is connected respectively at both ends about the spreader, control the motor and install the upper end at right side fagging, control the right-hand member of screw rod about the output shaft of motor, the left end of controlling the screw rod rotates the upper end of connecting at left side fagging, this electronic chip visual detection device, after the chip is stably put, can carry out the distribution in the whole plane to it and detect, visual detection effect is provided, and can carry out the adjustment of height to the chip of co-altitude, application range is wider, more can satisfy the visual detection demand of chip.

Description

An electronic chip visual inspection device

technical field

The invention relates to the technical field of electronic chip visual inspection devices, in particular to an electronic chip visual inspection device.

Background technique

When producing chips for motherboards of some electronic products, the appearance must be inspected after the production is completed to ensure the integrity of the appearance, and then the test can be conducted before it can be put into the market. Angle detection, the use of more limited.

In the prior art, the patent with the publication number of CN209280864U discloses an electronic chip detection device, which can accurately connect the detection probe with the to-be-detected part of the electronic chip to improve the detection accuracy; and save manpower, and one inspection worker can replace four. Personal workload, improve work efficiency; at the same time, the force can be controlled during detection to avoid unnecessary damage to the electronic chip; including the operation table, detection probe and display screen, the detection probe is electrically connected to the display screen; also Including left support plate, right support plate, left fixed plate, right fixed plate, left limit rod, right limit rod, left limit spring, right limit spring, pressure plate, mounting plate, first step motor, turntable, The upper hinged screw, the threaded pipe, the lower hinged screw, the motor base, the first rotating shaft, the second stepping motor, the circular placing plate, the PLC controller and the second rotating shaft, the top of the circular placing plate is provided with a circular and equiangular Four sets of positioning grooves.

It mainly performs basic detection on the circuit operation of the chip, and cannot rely on cameras, etc., for external visual inspection, and its movement is not convenient enough to better comprehensively detect the chip.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the existing defects and provide a visual inspection device for electronic chips. After the chip is stably placed, it can perform distribution inspection in the entire plane to provide visual inspection effects, and can be used for different heights. The height of the chip is adjusted, the use range is wider, the visual inspection requirements of the chip can be better met, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present invention provides the following technical solutions: a visual detection device for electronic chips, comprising a base plate, a moving unit and a camera detection unit;

Bottom plate: Temple plates are installed on the left and right sides of the upper end;

Mobile unit: includes a horizontal column, left and right motors, left and right screws, sliding groove plates, front and rear slide bars and front and rear screws, the left and right ends of the horizontal column are respectively connected to the upper ends of the two temple plates, and the left and right motors are installed on the right The upper ends of the side braces, the output shafts of the left and right motors are connected to the right ends of the left and right screws, the left ends of the left and right screws are rotatably connected to the upper ends of the left temple plates, and the upper ends of the sliding groove plates are slidably connected to the horizontal column. At the lower end, the left and right screws are threadedly connected to the middle of the sliding groove plate, the lower ends of the sliding groove plate are slidably connected with front and rear sliding rods, and the front and rear screw rods are threadedly connected to the lower ends of the sliding groove plate and are located on the upper side of the front and rear sliding rods; Through the rotation of the left and right motors, the left and right screws can be used to make the sliding slot plate move stably left and right under the guidance of the horizontal column, which provides the left and right movement in the plane for the chip detection. Guide, use the front and rear screws to make the front and rear movement more stable.

Camera detection unit: installed on the front end of the sliding groove plate.

Further, the moving unit also includes a rear connecting bar and a front loading plate, the rear ends of the front and rear sliding bars are connected to the rear connecting bars, the rear ends of the front and rear screw rods are rotatably connected to the rear connecting bars, and the front and rear sliding bars are connected to the rear connecting bars. The front end is connected to the lower side of the rear end of the front mounting plate, and the front ends of the front and rear screws are rotatably connected to the upper side of the rear end of the front mounting plate. Through the connection between the rear connecting rod and the front loading plate, the front and rear sliding bars and the front and rear screw rods can move forward and backward synchronously, which provides a stable foundation for the forward and backward movement of the detection.

Further, the camera detection unit includes front and rear motors, front and rear main gears, slave screw gear rings, sliding horizontal plates, fixed horizontal plates and vertical screws. The output shaft is connected to the front and rear main gears, the secondary helical gear ring is rotatably connected to the front end of the sliding groove plate, the secondary helical gear ring is meshed with the front and rear main gears, and the front and rear screw rods are threadedly connected to the middle of the secondary helical gear ring, so A sliding horizontal plate is slidably connected to the middle of the front end of the front loading plate, a fixed horizontal plate is installed on the upper side of the front end of the front loading plate, the vertical screw is threadedly connected to the middle of the fixed horizontal plate, and the lower end of the vertical screw is rotatably connected In the middle of the upper end of the sliding cross plate. Through the rotation of the front and rear motors and the meshing connection between the front and rear main gears and the slave screw ring, the slave screw ring can drive the front and rear screws to rotate, so that it can move forward and backward during detection, and the vertical screw rotates under the fixed and horizontal plate. The sliding horizontal plate can be moved up and down smoothly, providing the basis for height adjustment for detection.

Further, the camera detection unit further includes a lock rod cap and a detection camera, the lock rod cap is threadedly connected to the upper end of the vertical screw, and the detection camera is installed on the lower end of the sliding horizontal plate. By rotating the locking rod cap to make it fit with the upper end of the fixed horizontal plate, the angle of the rotated vertical screw can be fixed. When detecting the movement, the rotation of the vertical screw can be avoided to adjust the detection height, thereby affecting the detection accuracy. The inspection camera can take pictures and inspect the chip.

Further, it also includes a detection lifting unit, the detection lifting unit includes a lifting box, a lifting guide column, a detection platform and a lifting screw, a lifting box is installed on the lower end of the bottom plate, and the four lifting guide columns are respectively slidably connected to the lifting box. Four corners, the upper ends of the four lifting guide columns are respectively connected to the four corners of the lower end of the detection platform, and a lifting screw is rotatably connected to the middle of the lower end of the detection platform. Through the rotation of the lifting screw, the detection platform can move up and down smoothly under the guidance of the four lifting guide columns, which provides a high basis for the detection of more kinds of chips.

Further, the detection lifting unit also includes a helical helical gear ring and a fixed column arc plate, the helical helical gear ring is rotatably connected to the middle of the lower end of the bottom plate, the lifting screw is threadedly connected to the middle of the helical helical gear ring, and the Two fixed column arc plates are installed on the front side of the lower end of the base plate. Through the rotation of the helical helical gear ring, it can drive the lifting screw to rotate to provide power transmission for the lifting.

Further, the detection lifting unit also includes a rotating tooth column and a main helical gear, the rotating tooth column is rotatably connected to the lower ends of the two fixed column arc plates, and the rear end of the rotating tooth column is installed with a main helical gear, so The main helical gear is meshed with the helical helical gear ring. By rotating the rotating gear column, the helical helical gear ring can be stably rotated by the meshing of the main helical gear and the helical helical gear ring.

Further, it also includes a platform pad and a rear limit bar, a platform pad is placed on the upper end of the detection platform, and the rear limit bar is installed at the rear end of the detection platform. The platform pad can make the placed chip more stable, and the rear limit bar can limit the position on the rear side to prevent the chip from falling.

Further, a supporting square column is also included, and the four corners of the lower end of the bottom plate are installed with supporting square columns. The device is well supported by four supporting square columns.

Further, it also includes an elevator screw and a ground plate, the lower ends of the four supporting square columns are all screwed with an elevator screw, and the lower end of the elevator screw is installed with a ground plate. Rotate the elevator screw to adjust the level of the device to make it work stably, and use the ground plate to make the placement more stable.

Compared with the prior art, the beneficial effects of the present invention are: the electronic chip visual inspection device has the following advantages:

1. The electronic chip visual inspection device is equipped with a moving unit. Through the rotation of the left and right motors, the left and right screws can be used to make the sliding slot plate move stably left and right under the guidance of the horizontal column, and provide the left and right movement in the plane for chip inspection. The front and rear sliding bars can be used for good guidance during the detection of front and rear movement, and the front and rear screws are used to make the front and rear movement more stable.

2. The electronic chip visual inspection device is equipped with a camera detection unit. Through the rotation of the front and rear motors, the front and rear main gears are meshed with the slave screw gear ring, so that the screw gear ring can drive the front and rear screws to rotate, so that the front and rear screws can be rotated during detection. Moving, through the vertical screw rotating under the fixed horizontal plate, the sliding horizontal plate can be moved up and down smoothly, providing the basis for height adjustment for detection.

3. The camera detection unit provided by the electronic chip visual detection device can fix the angle of the rotated vertical screw by rotating the locking rod cap to make it fit with the upper end of the fixed horizontal plate. The rotation of the vertical screw adjusts the height of the detection, which affects the accuracy of the detection. The detection camera can take pictures of the chip for detection.

4. The electronic chip visual inspection device is also provided with a detection and lifting unit, which rotates the rotating gear column, and uses the meshing of the main helical gear and the helical helical gear ring to drive the helical helical gear ring to rotate the lifting screw, so that the detection platform can be lifted and lowered at four levels. Under the guidance of the guide post, it moves up and down smoothly, which provides a high foundation for adapting to the detection of more kinds of chips.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the partial enlarged structural schematic diagram of the place A in Fig. 1 of the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of the left side of the present invention.

In the picture: 1 base plate, 2 temple plates, 3 moving units, 31 horizontal columns, 32 left and right motors, 33 left and right screws, 34 sliding groove plates, 35 front and rear slide bars, 36 front and rear screws, 37 rear connecting rods, 38 front loading plates , 4 camera detection units, 41 front and rear motors, 42 front and rear main gears, 43 slave screw rings, 44 sliding horizontal plates, 45 fixed horizontal plates, 46 vertical screws, 47 locking rod caps, 48 detection cameras, 5 detection lift units, 51 Lifting box, 52 lifting guide column, 53 testing platform, 54 lifting screw, 55 helical screw gear ring, 56 fixed column arc plate, 57 rotating tooth column, 58 main helical gear, 6 platform backing plate, 7 rear limit bar, 8 Support square column, 9 liter screw, 10 ground plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIGS. 1-3 , this embodiment provides a technical solution: a visual inspection device for electronic chips, including a base plate 1 , a moving unit 3 and a camera inspection unit 4 ;

Bottom plate 1: Temple plates 2 are installed on the left and right sides of the upper end;

Mobile unit 3: including a horizontal column 31, left and right motors 32, left and right screws 33, sliding groove plates 34, front and rear slide bars 35 and front and rear screws 36, the left and right ends of the horizontal column 31 are respectively connected to the upper ends of the two temple plates 2, The left and right motors 32 are installed on the upper end of the right side temple plate 2 , the output shafts of the left and right motors 32 are connected to the right ends of the left and right screw rods 33 , the left ends of the left and right screw rods 33 are rotatably connected to the upper end of the left side temple plate 2 , and the upper end of the sliding groove plate 34 Slidingly connected to the lower end of the horizontal column 31, the left and right screws 33 are threadedly connected to the middle of the sliding groove plate 34, the lower end of the sliding groove plate 34 is slidably connected with front and rear sliding rods 35, and the front and rear screw rods 36 are threadedly connected to the lower end of the sliding groove plate 34 and located at the bottom of the sliding groove plate 34. The upper side of the front and rear sliding rods 35; through the rotation of the left and right motors 32, the left and right screws 33 can be used to make the sliding groove plate 34 move stably left and right under the guidance of the horizontal column 31, and provide the left and right movement in the plane for chip detection. The front and rear sliding bars 35 can be well guided during the detection of forward and backward movement, and the forward and backward movement is more stable by using the front and rear screws 36 .

The mobile unit 3 also includes a rear connecting bar 37 and a front loading plate 38. The rear ends of the front and rear sliding bars 35 are connected to the rear connecting bars 37, the rear ends of the front and rear screw rods 36 are rotatably connected to the rear connecting bars 37, and the front ends of the front and rear sliding bars 35 are connected to the rear connecting bar 37. The lower side of the rear end of the front mounting plate 38 and the front ends of the front and rear screws 36 are rotatably connected to the upper side of the rear end of the front mounting plate 38 . Through the connection between the rear connecting rod 37 and the front loading plate 38, the front and rear sliding bars 35 and the front and rear screw rods 36 can be moved forward and backward synchronously, which provides a stable basis for the detection of the forward and backward movement.

Camera detection unit 4 : installed on the front end of the sliding groove plate 34 .

The camera detection unit 4 includes a front and rear motor 41, a front and rear main gear 42, a slave screw ring 43, a sliding horizontal plate 44, a fixed horizontal plate 45 and a vertical screw 46. The front and middle of the sliding groove plate 34 is installed with a front and rear motor 41. The front and rear motors 41 The output shaft is connected to the front and rear main gears 42, the secondary screw ring 43 is rotatably connected to the front end of the sliding groove plate 34, the secondary screw ring 43 is meshed with the front and rear main gears 42, and the front and rear screws 36 are threadedly connected to the middle of the secondary screw ring 43. , a sliding horizontal plate 44 is slidably connected to the middle of the front end of the front loading plate 38, a fixed horizontal plate 45 is installed on the upper side of the front end of the front loading plate 38, the vertical screw 46 is threadedly connected to the middle of the fixed horizontal plate 45, and the lower end of the vertical screw 46 rotates Connected to the middle of the upper end of the sliding cross plate 44 . Through the rotation of the front and rear motors 41 and the meshing connection between the front and rear main gears 42 and the secondary helical gear ring 43, the secondary helical gear ring 43 can drive the front and rear screw rods 36 to rotate, so that the front and rear can be moved during detection. The fixed rotation of the plate 45 can make the sliding horizontal plate 44 move up and down smoothly, providing a basis for height adjustment for detection.

The camera detection unit 4 also includes a lock rod cap 47 and a detection camera 48 , the lock rod cap 47 is threadedly connected to the upper end of the vertical screw 46 , and the detection camera 48 is installed on the lower end of the sliding horizontal plate 44 . By rotating the locking rod cap 47 to make it fit with the upper end of the fixed horizontal plate 45, the angle of the rotated vertical screw 46 can be fixed. When detecting movement, the rotation of the vertical screw 46 can be avoided to adjust the height of detection, thereby affecting the detection. To ensure the accuracy, the detection camera 48 can take pictures for detection of the chip.

It also includes a detection lifting unit 5. The detection lifting unit 5 includes a lifting box 51, a lifting guide column 52, a detection platform 53 and a lifting screw 54. A lifting box 51 is installed on the lower end of the bottom plate 1, and the four lifting guide columns 52 are respectively slidably connected to the lifting device. The four corners of the box 51 and the upper ends of the four lifting guide columns 52 are respectively connected to the four corners of the lower end of the detection platform 53 , and the lower end of the detection platform 53 is rotatably connected to a lifting screw 54 in the middle. Through the rotation of the lift screw 54, the detection platform 53 can be moved up and down smoothly under the guidance of the four lift guide columns 52, which provides a high basis for adapting to the detection of more kinds of chips.

The detection and lifting unit 5 also includes a helical helical gear ring 55 and a fixed column arc plate 56 . Two fixed column arc plates 56 are installed on the front side. Through the rotation of the helical helical gear ring 55, it can drive the lifting screw 54 to rotate, so as to provide power transmission for the lifting.

The detection lifting unit 5 also includes a rotating tooth column 57 and a main helical gear 58. The rotating tooth column 57 is rotatably connected to the lower ends of the two fixed column arc plates 56. The rear end of the rotating tooth column 57 is installed with a main helical gear 58. 58 is engaged with the helical helical gear ring 55 . By rotating the gear column 57, the helical helical gear ring 55 can be stably rotated by the engagement of the main helical gear 58 with the helical helical gear ring 55.

It also includes a platform pad 6 and a rear limit bar 7 , a platform pad 6 is placed on the upper end of the detection platform 53 , and the rear limit bar 7 is installed at the rear end of the detection platform 53 . The platform pad 6 can make the placed chip more stable, and the rear limit bar 7 can limit the position on the rear side to prevent the chip from falling.

It also includes a supporting square column 8, and the four corners of the lower end of the bottom plate 1 are installed with the supporting square column 8. The device can be well supported by four supporting square columns 8 .

It also includes an elevator screw 9 and a grounding plate 10 . The lower ends of the four supporting square columns 8 are all threadedly connected with the elevator screw 9 , and the grounding plate 10 is installed on the lower end of the elevator screw 9 . Rotating the elevator screw 9 can adjust the level of the device to make it work stably, and use the ground plate 10 to make the placement more stable.

The working principle of the electronic chip visual inspection device provided by the present invention is as follows: firstly, the rotating gear column 57 is rotated, and the main helical gear 58 is engaged with the helical helical gear ring 55, so that the helical helical gear ring 55 drives the lifting screw 54 to rotate, so that the The detection platform 53 moves up and down steadily under the guidance of the four lifting guide columns 52. After adjusting the height of the detection platform 53, the chip to be detected is placed at the designated position on the platform pad 6, and the left and right motors 32 and the front and rear motors are passed through. The cooperation of 41 makes the detection camera 48 move in the horizontal plane range to realize the photo detection of each part of the chip. During detection, when the focal length and height need to be adjusted, the vertical screw 46 is rotated to make the sliding horizontal plate 44 drive the detection camera. 48 can be moved up and down. After adjustment, turn the locking rod cap 47 to make it fit with the upper end of the fixed horizontal plate 45, and fix the angle of the rotated vertical screw 46, which is more stable in use and more convenient for visual inspection. fast.

It is worth noting that the left and right motors 32 and the front and rear motors 41 disclosed in the above embodiments all use servo motors, the detection camera 48 is of the brand Cognex, and the input ends of the left and right motors 32 and the front and rear motors 41 are respectively electrically connected to external control switches. The output terminal of the group, the output terminal of the detection camera 48 is electrically connected to the input terminal of the external control switch group, and the external control switch group controls the left and right motors 32, the front and rear motors 41 and the detection camera 48 to work using methods commonly used in the prior art.

The above descriptions are only embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technologies Fields are similarly included in the scope of patent protection of the present invention.

Claims (10)

1. An electronic chip visual detection device which is characterized in that: comprises a bottom plate (1), a mobile unit (3) and a camera detection unit (4);

base plate (1): the left side and the right side of the upper end are both provided with a side supporting plate (2);

mobile unit (3): comprises a transverse column (31), a left motor, a right motor (32), a left screw rod, a right screw rod (33), a sliding groove plate (34), a front sliding rod, a rear sliding rod (35) and a front screw rod and a rear screw rod (36), the left end and the right end of the transverse column (31) are respectively connected with the upper ends of the two side supporting plates (2), the left and right motors (32) are arranged at the upper end of the right side supporting plate (2), the output shafts of the left and right motors (32) are connected with the right ends of the left and right screw rods (33), the left end of the left screw rod (33) and the right screw rod (33) are rotatably connected with the upper end of the left side supporting plate (2), the upper end of the sliding groove plate (34) is connected with the lower end of the cross column (31) in a sliding way, the left screw rod and the right screw rod (33) are connected with the middle part of the sliding groove plate (34) in a threaded manner, the lower end of the sliding groove plate (34) is connected with a front sliding rod (35) and a rear sliding rod (35) in a sliding way, the front and rear screw rods (36) are in threaded connection with the lower end of the sliding groove plate (34) and are positioned on the upper side of the front and rear sliding rods (35);

camera detection unit (4): is arranged at the front end of the sliding groove plate (34).

2. The electronic chip visual inspection device of claim 1, wherein: the mobile unit (3) further comprises a rear connecting strip (37) and a front mounting plate (38), the rear end of the front and rear sliding rods (35) is connected with the rear connecting strip (37), the rear ends of the front and rear screw rods (36) are connected with the rear connecting strip (37) in a rotating mode, the front ends of the front and rear sliding rods (35) are connected to the lower side of the rear end of the front mounting plate (38), and the front ends of the front and rear screw rods (36) are connected to the upper side of the rear end of the front mounting plate (38) in a rotating mode.

3. The electronic chip visual inspection device of claim 2, wherein: the camera detection unit (4) comprises a front motor (41), a rear motor (41), a front main gear (42), a rear gear ring (43), a sliding transverse plate (44), a fixed transverse plate (45) and a vertical screw rod (46), a front motor (41) and a rear motor (41) are arranged in the middle of the front end of the sliding groove plate (34), an output shaft of the front motor (41) and the rear motor (41) is connected with a front main gear (42) and a rear main gear (42), the slave screw ring (43) is rotationally connected with the front end of the sliding groove plate (34), the slave screw ring (43) is meshed with the front and rear main gears (42), the front and rear screw rods (36) are connected with the middle part of the slave screw ring (43) in a threaded manner, the middle part of the front end of the front mounting plate (38) is connected with a sliding transverse plate (44) in a sliding way, a transverse fixing plate (45) is arranged on the upper side of the front end of the front mounting plate (38), the vertical screw rod (46) is in threaded connection with the middle part of the transverse fixing plate (45), the lower end of the vertical screw rod (46) is rotatably connected to the middle part of the upper end of the sliding transverse plate (44).

4. The electronic chip visual inspection device of claim 3, wherein: the camera detection unit (4) further comprises a lock rod cap (47) and a detection camera (48), the lock rod cap (47) is connected to the upper end of the vertical screw rod (46) in a threaded mode, and the detection camera (48) is installed at the lower end of the sliding transverse plate (44).

5. The electronic chip visual inspection device of claim 1, wherein: the detection lifting unit (5) comprises a lifting box (51), lifting guide columns (52), a detection platform (53) and lifting screws (54), the lifting box (51) is installed at the lower end of the bottom plate (1), the four lifting guide columns (52) are respectively connected to four corners of the lifting box (51) in a sliding mode, the upper ends of the four lifting guide columns (52) are respectively connected to four lower corners of the detection platform (53), and the middle of the lower end of the detection platform (53) is rotatably connected with the lifting screws (54).

6. The electronic chip visual inspection device of claim 5, wherein: detect lift unit (5) and still contain oblique screw ring (55) and decide post arc board (56), screw ring (55) rotate to one side and connect in the lower extreme middle part of bottom plate (1), lifting screw (54) threaded connection is in the middle part of oblique screw ring (55), two decide post arc boards (56) are installed to the lower extreme front side of bottom plate (1).

7. The electronic chip visual inspection device of claim 6, wherein: the detection lifting unit (5) further comprises a rotary tooth column (57) and a main helical gear (58), the rotary tooth column (57) is rotatably connected to the lower ends of the two fixed column arc plates (56), the main helical gear (58) is installed at the rear end of the rotary tooth column (57), and the main helical gear (58) is in meshed connection with the helical gear ring (55).

8. The electronic chip visual inspection device of claim 5, wherein: still include platform backing plate (6) and back spacing strip (7), platform backing plate (6) have been placed to the upper end of testing platform (53), the rear end at testing platform (53) is installed in back spacing strip (7).

9. The electronic chip visual inspection device of claim 1, wherein: the support square column is characterized by further comprising support square columns (8), wherein the support square columns (8) are installed at four corners of the lower end of the bottom plate (1).

10. The electronic chip visual inspection device of claim 9, wherein: the ground plate is characterized by further comprising a lifter screw (9) and a ground plate (10), the lower ends of the four supporting square columns (8) are connected with the lifter screw (9) in a threaded mode, and the ground plate (10) is installed at the lower end of the lifter screw (9).

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