CN214277943U - Six outward appearance inspection devices of piece formula electronic components box-type - Google Patents
Six outward appearance inspection devices of piece formula electronic components box-type Download PDFInfo
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- CN214277943U CN214277943U CN202120236338.2U CN202120236338U CN214277943U CN 214277943 U CN214277943 U CN 214277943U CN 202120236338 U CN202120236338 U CN 202120236338U CN 214277943 U CN214277943 U CN 214277943U
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Abstract
The utility model provides a six-side appearance inspection device of a chip electronic component box type, a plurality of components are arranged in a carrying box, the carrying box is arranged on a conveyor belt and sequentially passes through an inspection unit above the conveyor belt; each inspection unit is connected with the central processing unit. The method comprises the following steps: the device comprises a top surface inspection unit, a side surface inspection unit, a turnover unit and a bottom surface inspection unit. The first camera of the top surface inspection unit acquires top surface images of the components, the plurality of side cameras of the side surface inspection unit acquire four side surface images of the components, and the second camera of the bottom surface inspection unit acquires bottom surface images of the components. The utility model discloses a components and parts neatness nature of arranging has simplified the operation degree of difficulty greatly, improves six visual inspection's efficiency and rate of accuracy.
Description
Technical Field
The utility model relates to an automation equipment field especially relates to a six visual inspection devices of piece formula electronic components box-type.
Background
In the prior art, chip electronic components are generally arranged in a bulk material mode by lining up the electronic components into the edge of a larger rotary transparent glass disc through a vibration disc. And then, using a plurality of cameras arranged above and below the edge of the rotary glass disc and at other positions to respectively shoot six faces of each electronic component on the edge of the rotary glass disc. The method can not ensure that all side surfaces of each capacitor can face the camera at a consistent and optimal angle, and the appearance inspection effect has great limitation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is an object to provide a six visual inspection devices of chip electronic components box-type utilizes components and parts neatness nature, has simplified the operation degree of difficulty greatly, improves visual inspection's efficiency and rate of accuracy.
In particular, the utility model relates to a six external appearance inspection devices of chip electronic components box-type, inspection device has the conveyer belt; a plurality of components are loaded into a carrying box, and the carrying box is placed on the conveying belt and sequentially passes through the inspection unit above the conveying belt; each inspection unit is connected with the central processing unit, and the inspection unit comprises:
the top surface inspection unit is provided with a first camera with a downward lens;
the side inspection unit is provided with a plurality of suction heads capable of moving up and down and a plurality of side cameras, the bottom of each suction head is provided with a downward suction disc or a downward gripper, the side cameras are arranged above the conveyor belt, and the side cameras are one group or two groups of cameras with opposite lenses;
the overturning unit is provided with an upper mechanism, a lower mechanism and an overturning mechanism, the upper mechanism is provided with an inverted idle box, and the lower mechanism is flush with the conveyor belt; the upper mechanism and the lower mechanism are both connected with the turnover mechanism, and the turnover mechanism is rotated to exchange the upper position and the lower position of the upper mechanism and the lower mechanism;
the bottom surface inspection unit is provided with a second camera with a downward lens;
the first camera acquires top images of the components, the side cameras acquire four side images of the components, and the second camera acquires bottom images of the components.
Preferably, the side cameras are two groups of cameras with opposite lenses, the side inspection unit comprises two independent subunits, and the carrier box sequentially passes through the two subunits above the conveyor belt:
the device comprises a longitudinal side surface inspection unit, a positioning unit and a positioning unit, wherein the longitudinal side surface inspection unit is provided with a left camera, a right camera and a row of longitudinal suction heads capable of moving up and down, the bottom of each longitudinal suction head is provided with a downward suction disc or a downward gripper, lenses of the left camera and the right camera are opposite left and right and are positioned above a conveyor belt, and components are moved to the middle positions of the left camera and the right camera under the driving of the longitudinal suction heads;
the transverse side surface inspection unit is provided with a front camera, a rear camera and a row of transverse suction heads capable of moving up and down, the bottom of each transverse suction head is provided with a downward suction disc or a downward gripper, the front camera lens and the rear camera lens are opposite and located above the conveyor belt, and components are moved to the middle positions of the front camera and the rear camera lens under the driving of the longitudinal suction heads.
Preferably, the longitudinal array of tips is moved in a lateral direction; the transverse suction heads are moved in a row in the longitudinal direction.
Preferably, the plurality of side cameras are a group of cameras with opposite lenses, and the plurality of suction heads which can move up and down and rotate around the center of the vertical shaft by a preset angle are arranged in a row; under the driving of the sucker, a pair of side surfaces of the component move to the middle position of a group of cameras; and under the condition that the sucker rotates by 90 degrees, the other pair of side faces of the component rotate to the middle position of one group of cameras.
Preferably, the turnover unit further comprises a vibration mechanism, and the upper mechanism and the lower mechanism are further connected with the vibration mechanism.
Preferably, along the conveyor belt, there are further provided: and the waste product removing unit is provided with a suction head used for grabbing unqualified components and putting the components into the waste material box.
The utility model discloses an inspection device owing to be provided with top surface inspection unit, side inspection unit, upset unit, bottom surface inspection unit along the conveyer belt, consequently can traverse six faces of each components and parts completely orderly, specially adapted tantalum electric capacity or piece formula aluminium electric capacity. Six visual inspection devices of electronic component of this scheme of adoption compares with prior art and has following advantage:
(1) the scheme does not need to convert the electronic elements from a disordered stacking state to orderly arrangement by using a vibrating disk mode for the electronic elements, the operation can cause the mutual friction and collision of the electronic elements to damage the surfaces of the electronic elements, and in addition, the equipment cost can be increased.
(2) This scheme does not adopt rotatory glass dish, need not see through the glass face and observes the bottom surface. Because the glass surface is used for a long time, the surface is worn or stained to cause the misjudgment of the inspection.
(3) In the scheme, the position of each electronic component is highly consistent with the angle and the distance of the observation camera, so that the unified and fine observation of six surfaces of each electronic component can be realized. In the prior art, the arrangement positions of the electronic components on the glass plate have certain differences relative to the angle and distance of each observation camera, so that certain adverse effects are brought to fine observation.
(4) After the inspection is finished, the electronic components are arranged in the carrying box in order all the time, so that the subsequent taping process is facilitated, the feeding operations such as vibration disc sequencing and orientation are omitted, and the cost and the possibility of damaging the surfaces of the components again are reduced. In the prior art, the electronic components are output in a disordered stacking state, and the subsequent braiding process still needs to adopt feeding operations such as vibration disc sorting, orientation and the like, so that the operation not only increases the surface damage possibility of the electronic components, but also increases the equipment cost.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of a box-type six-sided appearance inspection device for chip electronic components according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a top surface inspection unit;
FIG. 3 is a schematic view of a longitudinal side inspection unit;
FIG. 4 is a schematic view of a lateral side inspection unit;
fig. 5 is a front view of the flipping unit;
FIG. 6 is a perspective view of the reversing unit before the magazine reverses;
fig. 7 is a perspective view of the magazine of the reversing unit after reversing.
Detailed Description
In the field of chip electronic component production and detection, automation is realized by transferring the loading boxes among all processes. When a plurality of components are placed in the carrier box, in the appearance inspection, six-side appearance inspection needs to be performed in the carrier box, and finally, the components are taken out from the carrier box, taped and packaged. The mode can avoid appearance damage of components caused by stacking and mutual collision in operation.
Example one
As shown in fig. 1, the inspection apparatus has a conveyor belt for placing and moving the cassettes. Along the conveyor belt there are mainly provided: the system comprises a conveyor belt inlet 1, a top surface inspection unit 2, side surface inspection units (a longitudinal side surface inspection unit 3, a transverse side surface inspection unit 4, a turnover unit 5, a bottom surface inspection unit 6, a waste removal unit 7 and a conveyor belt outlet 8), image information acquired by the units can be transmitted to a central processing unit which is remotely connected with the units, and each component in a box is numbered.
As shown in fig. 2, in the ceiling surface inspection unit 2, a first camera 203 is provided. The first camera 203 is above the conveyor belt with the lens facing downward. The first camera 203 can shoot the components one by one, so that the top surface of each component is traversed; alternatively, the first camera 203 can photograph the top surfaces of all the components in the cassette at once. The first camera 203 is controlled by the first Y-direction slide table 201 and the first X-direction slide table 202. When the top surfaces of the components are shot one by one, the camera lens and the carrying box can move relatively, and the camera lens can be aligned to the top surface of one component at each time. The image is transmitted to a central processing unit to determine whether the top surface is defective.
The side inspection unit comprises two separate subunits, respectively along the conveyor belt: a longitudinal side inspection unit 3 and a transverse side inspection unit 4. The order of the two on the conveyor belt can also be reversed.
As shown in fig. 3, the longitudinal side inspection unit 3 has a row of longitudinal suction heads 305, the number and longitudinal distribution position of the longitudinal suction heads 305 correspond to the row of components arranged longitudinally in the magazine; there are also left and right cameras 304. The second Z-direction slide table 303 controls the vertical movement of the longitudinal suction head 305, the longitudinal suction head 305 captures the corresponding component and moves upwards to the height of the left and right cameras 304, and the left and right cameras 304 respectively face the left and right sides of the component. The second Y-direction slide table 302 controls the Y-direction movement of the left and right cameras 304. At this time, a method that the lens and the component array move longitudinally relative to each other can be adopted, so that the lens can shoot the left side and the right side of the components one by one. The left and right sides of all the columns of electronic components can also be photographed by adopting a static method. After the photographing is finished, the vertical suction head 305 moves downwards to place the components into the original position of the carrying box. The second X-direction slide table 301 controls the movement of the longitudinal suction heads 305 in the X direction, and the carrier box is displaced by a row distance in the transverse direction X direction, so that the longitudinal suction heads 305 pick up the next row of longitudinally arranged components in a row, and the appearance inspection is performed longitudinally row by row. After all components are shot, the carrying box moves to the next station along the conveying belt. The image is transmitted to the central processing unit so as to judge whether the left side surface and the right side surface have flaws.
As shown in fig. 4, the lateral side inspection unit 4 has a row of lateral suction heads 405, the number and the longitudinal distribution position of the lateral suction heads 405 correspond to a row of components arranged laterally in the magazine; there are also front and rear cameras 404. The third Z-direction slide table 403 controls the vertical movement of the transverse suction head 405, the transverse suction head 405 picks up the corresponding component and moves upwards to the height of the front and rear cameras 404, and the front and rear cameras 404 face the front and rear sides of the component respectively. The third X-direction slide table 401 controls the X-direction movement of the front and rear cameras 404. At this time, a method of relative transverse movement of the lens and the component array can be adopted, so that the lens can shoot the front side and the rear side of the components one by one. The front side and the rear side of all the lines of electronic components can be aligned to photograph by adopting a static method. After the photographing is finished, the transverse sucker 405 moves downwards to place the components in a transverse row into the original positions of the carrying boxes. The third Y-direction slide 402 controls the movement of the transverse suction head 405 in the Y direction, and the transverse suction head 405 is shifted by one line in the longitudinal Y direction, so that the transverse suction head 405 can suck the next line of transversely arranged components in a queue for transverse line-by-line appearance inspection. After all components are shot, the carrying box moves to the next station along the conveying belt. The image is transmitted to a central processing unit to determine whether the front and rear sides are defective.
As shown in fig. 5, the flipping unit 5 is used to flip the component upside down, and after flipping, the bottom surface of the component faces upward. The turnover unit comprises a loading box 501, a transfer box 502, a servo motor 503, a linear vibrator 504 and a box pressing plate 505. First, the upper mechanism is provided with an inverted transfer box 502 and a box pressing plate 505, which are suspended above the lower mechanism. The lower mechanism is flush with the conveyor belt and houses a carrier box 501 containing components. The tilting mechanism is configured as a mechanism that can rotate around the center, and the rotation is controlled by a servo motor 503. As shown in fig. 6 and 7, the positions of the upper and lower mechanisms can be changed after 180 ° rotation. The linear vibrator 504 is connected to the upper and lower mechanisms and can drive the upper and lower mechanisms to slightly vibrate.
First, the upper mechanism and the lower mechanism are moved toward each other, and the transfer cassette 502 is aligned with the component-mounted magazine 501 and clamped by the cassette pressing plate 505. The servo motor 503 changes the positions of the upper and lower mechanisms, and after the change, the upper mechanism and the transfer box 502 before the change are located below as shown in the figure, and the lower mechanism and the component-mounted carrier box 501 before the change are located above as shown in fig. 7. Then, the linear vibrator 504 is used to vibrate the up and down mechanism so that the component falls into the lower relay cassette 502. At this time, the bottom surface of the component is already facing upward. Finally, the original loading box 501 with the components is changed into an empty box, and the original transfer box 502 is changed into a loading box with the overturned components. The new cassette is sent to the next station.
And a bottom surface inspection unit 6 provided with a second camera having the same structure as the top surface inspection unit 1. The second camera is arranged above the conveyor belt, and the lens faces downwards. The second camera can shoot the components one by one, so that the bottom surface of each component is traversed; or the second camera can shoot the bottom surfaces of all the components in the carrying box at one time. When the bottom surfaces of the components are shot one by one, the camera lens and the carrying box can move relatively, and the camera lens can be aligned to the bottom surface of one component every time. The image is transmitted to a central processing unit so as to judge whether the bottom surface has defects.
And the waste product removing unit 7 is provided with a suction head and is used for grabbing unqualified components and putting the unqualified components into a waste material box. The acceptable components then continue in the magazine and exit the conveyor exit 8. In the whole process of six-face appearance inspection, the components are arranged in sequence all the time, and appearance damage caused by stacking and mutual collision in operation is avoided.
According to above-mentioned detection device, the utility model discloses a six outward appearance inspection methods of piece formula electronic components box-type, concrete step is as follows.
S1: the loading box enters the conveyor belt;
s2: through the top surface inspection unit, the first camera traverses the top surface of each component or shoots the top surfaces of all the components at one time, and the images are transmitted to the central processing unit;
s3: through the side surface inspection unit, the suction heads grab corresponding components and move upwards to the heights of the side surface cameras; the side cameras traverse four sides of each inspection component or shoot the sides of all components at one angle at a time, and the images are transmitted to the central processing unit;
s4: turning the component up and down through a turning unit so that the bottom surface of the turned component faces upwards;
s5: through the bottom surface inspection unit, the second camera traverses the bottom surface of each component or shoots the bottom surfaces of all the components at one time, and the images are transmitted to the central processing unit;
s6: rejecting unqualified components;
s7: the carriers exit the conveyor.
Since the side inspection unit includes two independent longitudinal side inspection units and transverse side inspection units, step S3 specifically includes the following sub-steps:
s301: through the longitudinal side surface inspection unit, a row of longitudinal suction heads grab the corresponding components and move upwards to the heights of the left and right cameras, and the left and right cameras traverse the left and right side surfaces of each inspection component or shoot the left and right side surfaces of all the components at one time;
s302: the column of longitudinal suction heads moves downwards to put the corresponding components back to the original positions;
s303: through the transverse side surface inspection unit, a row of transverse suction heads grab the corresponding components and move upwards to the heights of the front and rear cameras, and the front and rear cameras traverse the front and rear side surfaces of each inspection component or shoot the front and rear side surfaces of all the components at one time;
s304: and the row of transverse suckers moves downwards to put the corresponding components back to the original positions.
In the flipping unit, step S4 specifically includes the following sub-steps:
s401: the upper mechanism and the lower mechanism move oppositely, and the no-load box is aligned and clamped with the load box provided with the components;
s402: the turnover mechanism rotates to change the positions of the upper mechanism and the lower mechanism, after the change, the previous upper mechanism and the idle box are positioned below, and the previous lower mechanism and the loading box provided with components are positioned above;
s403: the vibration mechanism vibrates the upper mechanism and the lower mechanism, and the components fall into a no-load box below the vibration mechanism;
s404: the upper mechanism and the lower mechanism move back to back, and the no-load box is separated from the load box with the components.
Example two
The side inspection unit is different from the first embodiment, and other units are the same as the first embodiment.
The plurality of suction heads of the side inspection unit are arranged in a row. The number and the transverse distribution position of the suction heads correspond to a row of components longitudinally arranged in the carrying box. The suction head can move up and down and rotate around the center by a preset angle. The side cameras are a group of front and rear cameras.
The suction head grabs the corresponding component and moves upwards to the height of the front camera and the rear camera, and the front camera and the rear camera respectively face to the front side and the rear side of the component. The front and back cameras traverse the front and back sides of each inspection component or shoot the front and back sides of all components at one time. Then, the suction head drives the component to rotate 90 degrees, and after the component rotates, the original left side and the original right side of the component face the front camera and the back camera. The front camera and the rear camera continue to acquire images of the left side surface and the right side surface. Then, the suction head drives the component to rotate 90 degrees in the opposite direction, so that the component is reset.
The suction heads are longitudinally displaced by a row distance, so that the suction head array sucks the next row of transversely arranged components, and the appearance inspection is carried out transversely row by row. After all components are shot, the carrying box moves to the next station along the conveying belt. The image is transmitted to the central processing unit so as to judge whether the left, right, front and back side surfaces have flaws.
EXAMPLE III
The side inspection unit is different from the first embodiment, and other units are the same as the first embodiment.
The plurality of suction heads of the side inspection unit are arranged in a row. The number and the longitudinal distribution position of the suction heads correspond to a column of components which are longitudinally arranged in the carrying box. The suction head can move up and down and rotate around the center by a preset angle. The plurality of side cameras are a group of left and right cameras.
The suction head grabs the corresponding component and upwards moves to the height of the left camera and the right camera, and the left camera and the right camera respectively face the left side and the right side of the component. The left and right cameras traverse the left and right side surfaces of each inspection component or shoot the left and right side surfaces of all the components at one time. Then, the suction head drives the component to rotate 90 degrees, and after the component rotates, the original front side and the original back side of the component face to the left camera and the right camera. The left and right cameras continue to acquire images of the front and rear sides. Then, the suction head drives the component to rotate 90 degrees in the opposite direction, so that the component is reset.
And the carrying boxes are transversely displaced by a row distance, so that the suction head array sucks the next row of longitudinally arranged components, and the longitudinal row-by-row appearance inspection is carried out. After all components are shot, the carrying box moves to the next station along the conveying belt. The image is transmitted to the central processing unit so as to judge whether the left, right, front and back side surfaces have flaws.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (6)
1. A six-side appearance inspection device of a chip electronic component box is characterized in that the inspection device is provided with a conveyor belt; a plurality of components are loaded into a carrying box, and the carrying box is placed on the conveying belt and sequentially passes through the inspection unit above the conveying belt; each inspection unit is connected with the central processing unit, and the inspection unit comprises:
the top surface inspection unit is provided with a first camera with a downward lens;
the side inspection unit is provided with a plurality of suction heads capable of moving up and down and a plurality of side cameras, the bottom of each suction head is provided with a downward suction disc or a downward gripper, the side cameras are arranged above the conveyor belt, and the side cameras are one group or two groups of cameras with opposite lenses;
the overturning unit is provided with an upper mechanism, a lower mechanism and an overturning mechanism, the upper mechanism is provided with an inverted idle box, and the lower mechanism is flush with the conveyor belt; the upper mechanism and the lower mechanism are both connected with the turnover mechanism, and the turnover mechanism is rotated to exchange the upper position and the lower position of the upper mechanism and the lower mechanism;
the bottom surface inspection unit is provided with a second camera with a downward lens;
the first camera acquires top images of the components, the side cameras acquire four side images of the components, and the second camera acquires bottom images of the components.
2. The inspection apparatus of claim 1, wherein the plurality of side cameras are two sets of lens-opposing cameras, the side inspection unit comprises two separate subunits, and the cassettes pass through two subunits above the conveyor belt in sequence:
the device comprises a longitudinal side surface inspection unit, a positioning unit and a positioning unit, wherein the longitudinal side surface inspection unit is provided with a left camera, a right camera and a row of longitudinal suction heads capable of moving up and down, the bottom of each longitudinal suction head is provided with a downward suction disc or a downward gripper, lenses of the left camera and the right camera are opposite left and right and are positioned above a conveyor belt, and components are moved to the middle positions of the left camera and the right camera under the driving of the longitudinal suction heads;
the transverse side surface inspection unit is provided with a front camera, a rear camera and a row of transverse suction heads capable of moving up and down, the bottom of each transverse suction head is provided with a downward suction disc or a downward gripper, the front camera lens and the rear camera lens are opposite and located above the conveyor belt, and components are moved to the middle positions of the front camera and the rear camera lens under the driving of the longitudinal suction heads.
3. The inspection device of claim 2, wherein the longitudinal tip array moves in a transverse direction; the transverse suction heads are moved in a row in the longitudinal direction.
4. The inspection apparatus according to claim 1, wherein said plurality of side cameras are a group of lens-opposed cameras, and said plurality of suction heads which can move up and down and rotate by a predetermined angle about a vertical axis center are arranged in a row; under the driving of the sucker, a pair of side surfaces of the component move to the middle position of a group of cameras; and under the condition that the sucker rotates by 90 degrees, the other pair of side faces of the component rotate to the middle position of one group of cameras.
5. The inspection apparatus according to any one of claims 1 to 4, wherein the inverting unit further comprises a vibrating mechanism, the upper mechanism and the lower mechanism being further connected to the vibrating mechanism.
6. The inspection apparatus according to any one of claims 1 to 4, wherein there is further provided along the conveyor belt: and the waste product removing unit is provided with a suction head used for grabbing unqualified components and putting the components into the waste material box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120236338.2U CN214277943U (en) | 2021-01-28 | 2021-01-28 | Six outward appearance inspection devices of piece formula electronic components box-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120236338.2U CN214277943U (en) | 2021-01-28 | 2021-01-28 | Six outward appearance inspection devices of piece formula electronic components box-type |
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| Publication Number | Publication Date |
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| CN214277943U true CN214277943U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120236338.2U Active CN214277943U (en) | 2021-01-28 | 2021-01-28 | Six outward appearance inspection devices of piece formula electronic components box-type |
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| Country | Link |
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| CN (1) | CN214277943U (en) |
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- 2021-01-28 CN CN202120236338.2U patent/CN214277943U/en active Active
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Address after: 214000 East 1st Half of Workshop and 6th Floor of Auxiliary Building, Building D, No. 503, Dadong Road, Wuxi Economic Development Zone, Jiangsu Province Patentee after: JIANGSU EEEST ADVANCED TECHNOLOGY Co.,Ltd. Address before: Block E-4, building C, international science and technology cooperation Park, 2 Taishan Road, New District, Wuxi City, Jiangsu Province, 214000 Patentee before: JIANGSU EEEST ADVANCED TECHNOLOGY Co.,Ltd. |
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