CN216955765U - Appearance defect detection equipment - Google Patents
Appearance defect detection equipment Download PDFInfo
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- CN216955765U CN216955765U CN202123118398.3U CN202123118398U CN216955765U CN 216955765 U CN216955765 U CN 216955765U CN 202123118398 U CN202123118398 U CN 202123118398U CN 216955765 U CN216955765 U CN 216955765U
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- feeding
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Abstract
The utility model discloses appearance defect detection equipment which comprises a feeding tray bin, a feeding transplanting device, a feeding conversion mechanism, a CCD (charge coupled device) detection mechanism, a discharging conversion mechanism, a discharging transplanting device and a discharging tray bin which are sequentially arranged; the feeding conversion mechanism and the discharging conversion mechanism respectively comprise a taking and placing device and a first Z-axis driving device for driving the taking and placing device to move up and down; the CCD detection mechanism comprises a detection station and a CCD detection Z-axis module, the CCD detection Z-axis module comprises a second Z-axis driving device and a CCD detection device arranged on the second Z-axis driving device, the CCD detection Z-axis module corresponds to the detection station, and the detection station is connected between the feeding conversion mechanism and the discharging conversion mechanism through an XY theta axial driving mechanism. The automatic detection of the product is realized, the working efficiency is high, the detection quality is high, the labor cost is saved, and the mass detection of the product is facilitated.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to appearance defect detection equipment which is mainly used for wafer appearance detection.
Background
The manufacturing process of the wafer is also continuously advanced, and in order to effectively ensure the yield of the wafer product, the defect detection is usually performed on the appearance of the wafer after the wafer is manufactured and formed.
In the traditional technology, the detection of the appearance defects of the wafer is usually realized by manually detecting the wafer with naked eyes, the detection mode has low efficiency and high labor intensity of personnel, the problems of false detection or missing detection are easy to occur, and the quality of the wafer product leaving the factory cannot be ensured; later, detection equipment for automatically detecting wafers appeared, which can improve detection efficiency and detection quality, but the requirements of high alignment requirement and extremely low false detection rate (almost zero false detection and missing detection rate) are still difficult to meet.
Therefore, there is a need for an improvement of existing appearance defect detecting apparatuses.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an appearance defect detecting apparatus, which is provided with a feeding and transferring device, a feeding and transferring mechanism, a CCD detecting mechanism, a discharging and transferring mechanism, and a discharging and transferring device, which are sequentially arranged, and a detecting station connected between the feeding and transferring mechanism and the discharging and transferring mechanism through an XY θ axial driving mechanism, so as to realize automatic detection of products.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an appearance defect detection device comprises a feeding tray bin, a feeding transplanting device, a feeding conversion mechanism, a CCD detection mechanism, a blanking conversion mechanism, a blanking transplanting device and a blanking tray bin which are sequentially arranged;
the feeding conversion mechanism and the discharging conversion mechanism respectively comprise a taking and placing device and a first Z-axis driving device for driving the taking and placing device to move up and down; the CCD detection mechanism comprises a detection station and a CCD detection Z-axis module, the CCD detection Z-axis module comprises a second Z-axis driving device and a CCD detection device arranged on the second Z-axis driving device, the CCD detection Z-axis module corresponds to the detection station, and the detection station is connected between the feeding conversion mechanism and the discharging conversion mechanism through an XY theta axial driving mechanism.
As a preferred scheme, the feeding tray bin and the discharging tray bin both comprise a bin and a lifting device for driving the bin to move up and down, and a plurality of material tray loading ports which are arranged in parallel and used for placing material trays are arranged in the bin; the feeding transplanting device and the discharging transplanting device respectively comprise a material tray storage area for placing a material tray and a translation mechanism for driving the material tray storage area to move between a material tray loading port and the taking and placing device.
Preferably, the tray loading port is provided with a fool-proof part.
As a preferred scheme, a first ion fan is arranged on both the input side of the feeding transplanting device and the first output side of the discharging transplanting device; the loading transplanting device is further provided with a sweeping head, and the sweeping head is located between the input side of the loading transplanting device and the loading conversion mechanism.
Preferably, a sensor for detecting whether a product exists in the tray is further arranged at the input side of the feeding and transplanting device.
As a preferred scheme, the taking and placing device comprises a suction disc frame and a vacuum suction disc arranged at the bottom of the suction disc frame, wherein a buffer assembly is arranged on the suction disc frame, and a product avoidance space is further arranged on the vacuum suction disc.
As a preferable scheme, the feeding transplanting device and the discharging transplanting device are both arranged along the X-axis direction, the feeding switching mechanism and the discharging switching mechanism are respectively arranged at the outer sides of the feeding transplanting device and the discharging transplanting device, and the CCD detecting mechanism is arranged between the inner side of the feeding transplanting device and the inner side of the discharging transplanting device.
As a preferable scheme, the XY θ axial driving mechanism includes a Y axial driving mechanism, an X axial driving mechanism disposed on the Y axial driving mechanism, and a θ axial driving mechanism disposed on the X axial driving mechanism, and the detection station is disposed on the θ axial driving mechanism.
As a preferred scheme, a defective product tray is arranged on the second output side of the blanking transplanting device, the blanking conversion mechanism further comprises a transverse driving device, the first Z-axis driving device is arranged on the transverse driving device, and the transverse driving device drives the taking and placing device to move to and fro between the defective product tray and the tray storage area.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme shows that:
the automatic detection device is mainly characterized in that a feeding and transplanting device, a feeding conversion mechanism, a CCD detection mechanism, a discharging conversion mechanism and a discharging and transplanting device are sequentially arranged, and a detection station is arranged in a matched manner and is connected between the feeding conversion mechanism and the discharging conversion mechanism through an XY theta axial driving mechanism, so that the automatic detection of products is realized, the working efficiency is high, the detection quality is high, the labor cost is saved, and the mass detection of the products is facilitated;
secondly, the feeding tray bin and the discharging tray bin are arranged, and the feeding transplanting device are arranged in a matched mode, so that automatic feeding and discharging of products are achieved, the automation degree is improved, and the product detection efficiency is further improved;
moreover, a defective material tray is arranged on the second output side of the blanking and transplanting device, the corresponding blanking conversion mechanism further comprises a transverse driving device, the first Z-axis driving device is arranged on the transverse driving device, and the transverse driving device drives the taking and placing device to move to and fro between the defective material tray and a material tray storage area; and automatic sorting of products is realized.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a perspective view of the preferred embodiment of the present invention (without the upper frame);
FIG. 4 is a perspective view of another perspective of the preferred embodiment of the present invention (without the upper housing);
FIG. 5 is a partial structural view of a preferred embodiment of the present invention (CCD detecting mechanism and XY θ axial driving mechanism);
FIG. 6 is a partial structural view of the preferred embodiment of the present invention (loading and unloading transplanting device);
FIG. 7 is a partial structure diagram of the preferred embodiment of the present invention (material loading tray, material unloading tray, defective material tray);
FIG. 8 is a schematic view of a feed tray magazine according to a preferred embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at A;
FIG. 10 is a schematic view of a feed conversion mechanism according to a preferred embodiment of the present invention;
fig. 11 is a schematic view of a blanking conversion mechanism according to a preferred embodiment of the utility model.
The attached drawings indicate the following:
10. feeding tray bin 11 and storage bin
12. Lifting device 121 and lifting cylinder
122. Storage bin mounting rack 101 and charging tray loading port
102. Fool-proof part 20 and feeding transplanting device
21. Tray storage area 211 and positioning PIN
22. Translation mechanism
23. First ion blower 24, sweep pier
30. Feeding conversion mechanism 31 and taking and placing device
311. Suction cup holder 312 and vacuum suction cup
313. Buffer assembly 32 and first Z-axis driving device
33. Second ion blower 34, counterpoint camera
35. Overvoltage stroke sensor 40 and CCD detection mechanism
41. Detection station 42 and CCD detection Z-axis module
421. Second Z-axis driving device 422 and CCD detection device
50. Blanking conversion mechanism 51 and lateral driving device
60. Blanking and transplanting device 61 and defective product tray
70. Blanking disc bin 80 and lower frame
81. Marble table-board 811 and marble diving platform
90. Upper frame 100 and material tray
1001. Insertion groove 1002, baffle
110. XY theta axial driving mechanism 1101, Y axial driving mechanism
1102. An X-axis drive mechanism 1103, and a θ -axis drive mechanism.
Detailed Description
Referring to fig. 1 to 11, a specific structure of a preferred embodiment of the present invention is shown, which includes a feeding tray bin 10, a feeding and transplanting device 20, a feeding and switching mechanism 30, a CCD detection mechanism 40, a discharging and switching mechanism 50, a discharging and transplanting device 60, and a discharging tray bin 70, which are sequentially arranged;
the feeding transplanting device 20 and the discharging transplanting device 60 are arranged along the X-axis direction, the feeding switching mechanism 30 and the discharging switching mechanism 50 are respectively arranged on the outer sides of the feeding transplanting device 20 and the discharging transplanting device 60, and the CCD detecting mechanism 40 is arranged between the inner side of the feeding transplanting device 20 and the inner side of the discharging transplanting device 60.
The feeding and transplanting device 20, the feeding conversion mechanism 30, the CCD detection mechanism 40, the blanking conversion mechanism 50 and the blanking and transplanting device 60 are all arranged on a marble table-board 81, the marble table-board 81 is arranged at the top of the lower rack 80, and the feeding disc bin 10 and the blanking disc bin 70 are both arranged on the lower rack 80 and are both positioned beside the marble table-board 81; the marble table surface 81 is provided with a marble diving platform 811 at the position of the CCD detection mechanism 40, and the CCD detection mechanism 40 is arranged at the front end of the marble diving platform 811; in addition, the lower frame 80 is further provided with an upper frame 90 covering the feeding tray bin 10, the feeding and transplanting device 20, the feeding switching mechanism 30, the CCD detecting mechanism 40, the discharging switching mechanism 50, the discharging and transplanting device 60, and the discharging tray bin 70.
The upper charging tray bin 10 and the lower charging tray bin 70 both comprise a bin 11 and a lifting device 12 for driving the bin 11 to move up and down, and a plurality of charging tray loading ports 101 which are arranged in parallel and used for placing charging trays 100 are arranged in the bin 11; the lifting device 12 comprises a lifting cylinder 121 and a bin mounting rack 122 arranged on the lifting cylinder 121, a guide rail is arranged on the bin mounting rack 122, and the lifting cylinder 121 drives the bin 11 to be movably arranged on the bin mounting rack 122;
the tray loading port 101 is provided with a fool-proof part 102, the tray 100 is correspondingly further included, the bottom of the tray 100 is provided with an insertion groove 1001 matched with the fool-proof part 102, the insertion groove 1001 is matched with the fool-proof part 102, four corners of the tray 100 are provided with baffle plates 1002, and the total thickness of placed products does not exceed the height of the baffle plates 1002; a sensor for detecting whether the total thickness of the placed products exceeds the baffle 1002 is further arranged on the bin mounting frame 122; preferably, the tray loading openings 101 are 7 in a spaced arrangement.
The feeding and transplanting device 20 and the discharging and transplanting device 60 both comprise a tray storage area 21 for placing trays and a translation mechanism 22 for driving the tray storage area 21 to move back and forth between the tray loading port 101 and the pick-and-place device 31;
the input side of the feeding transplanting device 20 and the first output side of the discharging transplanting device 60 are both provided with a first ion fan 23; the loading and transplanting device 20 is also provided with a wharf 24, and the wharf 24 is positioned between the input side of the loading and transplanting device 20 and the loading switching mechanism 30; a sensor for detecting whether a material tray has a product is arranged at the input side of the feeding and transplanting device 20;
preferably, be provided with the location PIN211 that is used for the charging tray location on the charging tray deposit area 21, location PIN211 has four, and sets up respectively in the four corners of charging tray deposit area 21, and is corresponding, charging tray 100 has the locating hole with location PIN211 looks adaptation.
The feeding conversion mechanism 30 and the discharging conversion mechanism 50 both comprise a taking and placing device 31 and a first Z-axis driving device 32 for driving the taking and placing device 31 to move up and down; the CCD detecting mechanism 40 comprises a detecting station 41 and a CCD detecting Z-axis module 42, the CCD detecting Z-axis module 42 comprises a second Z-axis driving device 421 and a CCD detecting device 422 arranged on the second Z-axis driving device 421, wherein the CCD detecting device 422 is an AOI detecting device, the CCD detecting Z-axis module 42 is arranged corresponding to the detecting station 41, and the detecting station 41 is connected between the feeding conversion mechanism 30 and the discharging conversion mechanism 50 through an XY theta axial driving mechanism 110; before the detection station 41 detects, the code scanning head 24 scans the codes;
a defective material tray 61 is arranged on a second output side of the blanking and transplanting device 60, the blanking conversion mechanism 50 further comprises a transverse driving device 51, the first Z-axis driving device 32 is arranged on the transverse driving device 51, and the transverse driving device 51 drives the taking and placing device 31 to move to and fro between the defective material tray 61 and the material tray storage area 21; a counting sensor is also arranged on the defective product tray 61;
in addition, the pick-and-place device 31 comprises a suction cup holder 311 and a vacuum suction cup 312 arranged at the bottom of the suction cup holder 311, wherein a buffer component 313 is arranged on the suction cup holder 311, the buffer component 313 is used for offsetting the self weight of the vacuum suction cup 312, and a product avoidance position and a tray avoidance position are also arranged on the vacuum suction cup 312;
preferably, the feeding switching mechanism 30 further includes a second ion blower 33, an alignment camera 34 and an overpressure stroke sensor 35, the second ion blower 33 is disposed toward the bottom of the vacuum chuck 312, the alignment camera 34 is disposed toward the top of the vacuum chuck 312, and the overpressure stroke sensor 35 is disposed beside the buffer assembly 313.
The XY θ axial driving mechanism 110 includes a Y axial driving mechanism 1101, an X axial driving mechanism 1102 arranged on the Y axial driving mechanism 1101, and a θ axial driving mechanism 1103 arranged on the X axial driving mechanism 1102, and the detection station 41 is arranged on the θ axial driving mechanism 1103.
Detailed description the detection method of this example is as follows:
firstly, the loading and transplanting device 20 takes products from the loading tray bin 10 and then drives the products to move to the position below the loading switching mechanism 30;
secondly, the feeding conversion mechanism 30 grabs the product, meanwhile, the detection station 41 moves to the position below the feeding conversion mechanism 30, and then the feeding conversion mechanism 30 puts the product on the detection station 41;
fourthly, the detection station 41 moves to the position below the CCD detection Z-axis module 42, and after the CCD detection Z-axis module 42 detects the product, the detection station 41 moves to the position below the blanking conversion mechanism 50;
fifthly, after the product is grabbed by the blanking conversion mechanism 50, the blanking transplanting device 60 moves to the position below the blanking conversion mechanism 50, the blanking conversion mechanism 50 places the product in the blanking transplanting device 60 to be blanked to the blanking tray bin 70, or the blanking conversion mechanism 50 moves to the position above the defective material tray 61 to place the product in the defective material tray 61.
The design of the utility model is characterized in that:
the automatic detection device is mainly characterized in that a feeding and transplanting device, a feeding conversion mechanism, a CCD detection mechanism, a discharging conversion mechanism and a discharging and transplanting device are sequentially arranged, and a detection station is arranged in a matched manner and is connected between the feeding conversion mechanism and the discharging conversion mechanism through an XY theta axial driving mechanism, so that the automatic detection of products is realized, the working efficiency is high, the detection quality is high, the labor cost is saved, and the mass detection of the products is facilitated;
secondly, the feeding tray bin and the discharging tray bin are arranged, and the feeding transplanting device are arranged in a matched mode, so that automatic feeding and discharging of products are achieved, the automation degree is improved, and the product detection efficiency is further improved;
moreover, a defective material tray is arranged on the second output side of the blanking and transplanting device, the corresponding blanking conversion mechanism further comprises a transverse driving device, the first Z-axis driving device is arranged on the transverse driving device, and the transverse driving device drives the taking and placing device to move to and fro between the defective material tray and a material tray storage area; and automatic sorting of products is realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. An appearance defect detecting apparatus characterized in that: the automatic feeding and transplanting device comprises a feeding tray bin, a feeding and transplanting device, a feeding conversion mechanism, a CCD detection mechanism, a discharging conversion mechanism, a discharging and transplanting device and a discharging tray bin which are sequentially arranged;
the feeding conversion mechanism and the discharging conversion mechanism respectively comprise a taking and placing device and a first Z-axis driving device for driving the taking and placing device to move up and down; the CCD detection mechanism comprises a detection station and a CCD detection Z-axis module, the CCD detection Z-axis module comprises a second Z-axis driving device and a CCD detection device arranged on the second Z-axis driving device, the CCD detection Z-axis module corresponds to the detection station, and the detection station is connected between the feeding conversion mechanism and the discharging conversion mechanism through an XY theta axial driving mechanism.
2. The appearance defect detecting apparatus according to claim 1, characterized in that: the feeding tray bin and the discharging tray bin respectively comprise a bin and a lifting device for driving the bin to move up and down, and a plurality of material tray loading ports which are arranged in parallel and used for placing material trays are arranged in the bin; the feeding transplanting device and the discharging transplanting device respectively comprise a material tray storage area for placing a material tray and a translation mechanism for driving the material tray storage area to move between a material tray loading port and the taking and placing device.
3. The appearance defect detecting apparatus according to claim 2, characterized in that: the charging tray loading port is provided with a fool-proof part.
4. The appearance defect detecting apparatus according to claim 2, characterized in that: the input side of the feeding transplanting device and the first output side of the discharging transplanting device are both provided with first ion fans; the loading transplanting device is further provided with a sweeping head, and the sweeping head is located between the input side of the loading transplanting device and the loading switching mechanism.
5. The appearance defect detecting apparatus according to claim 1 or 4, characterized in that: and a sensor for detecting whether a material tray has a product is arranged on the input side of the feeding and transplanting device.
6. The appearance defect detecting apparatus according to claim 1, characterized in that: the pick-and-place device comprises a suction disc frame and a vacuum suction disc arranged at the bottom of the suction disc frame, wherein a buffer assembly is arranged on the suction disc frame, and a product avoidance space is further arranged on the vacuum suction disc.
7. The appearance defect detecting apparatus according to claim 1 or 2, characterized in that: the feeding transplanting device and the discharging transplanting device are arranged along the X axial direction, the feeding conversion mechanism and the discharging conversion mechanism are respectively arranged on the outer sides of the feeding transplanting device and the discharging transplanting device, and the CCD detection mechanism is arranged between the inner side of the feeding transplanting device and the inner side of the discharging transplanting device.
8. The appearance defect detecting apparatus according to claim 7, wherein: the XY theta axial driving mechanism comprises a Y axial driving mechanism, an X axial driving mechanism arranged on the Y axial driving mechanism and a theta axial driving mechanism arranged on the X axial driving mechanism, and the detection station is arranged on the theta axial driving mechanism.
9. The appearance defect detecting apparatus according to claim 2, characterized in that: the second output side of the blanking transplanting device is provided with a defective product tray, the blanking conversion mechanism further comprises a transverse driving device, the first Z-axis driving device is arranged on the transverse driving device, and the transverse driving device drives the taking and placing device to move to and fro in the defective product tray and the tray storage area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123118398.3U CN216955765U (en) | 2021-12-13 | 2021-12-13 | Appearance defect detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123118398.3U CN216955765U (en) | 2021-12-13 | 2021-12-13 | Appearance defect detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955765U true CN216955765U (en) | 2022-07-12 |
Family
ID=82307103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123118398.3U Active CN216955765U (en) | 2021-12-13 | 2021-12-13 | Appearance defect detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955765U (en) |
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2021
- 2021-12-13 CN CN202123118398.3U patent/CN216955765U/en active Active
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