CN219871632U

CN219871632U - Detection device

Info

Publication number: CN219871632U
Application number: CN202321025415.5U
Authority: CN
Inventors: 余峰; 胡英; 徐贵阳; 刘欢; 张鹏
Original assignee: Wuhan DR Llaser Technology Corp Ltd
Current assignee: Wuhan DR Llaser Technology Corp Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-20
Anticipated expiration: 2033-04-28

Abstract

The application discloses a detection device. The detection device comprises: the first conveying mechanism comprises a first conveying assembly and a visual positioning piece, wherein the visual positioning piece is used for acquiring position information of a workpiece conveyed by the first conveying assembly; the position adjusting mechanism is arranged at the downstream of the first conveying mechanism, is in communication connection with the visual positioning piece and is used for correcting the position of the workpiece according to the position information so as to adjust the position of the workpiece to be a preset position; the detection mechanism is arranged at the downstream of the position adjusting mechanism and comprises a carrying disc assembly and a detection assembly, the carrying disc assembly is provided with a carrying part for fixing a workpiece and is used for conveying the workpiece from a station to be detected to a detection station, the detection assembly is in butt joint with the workpiece at the detection station and is used for detecting, and the preset position is consistent with the position of the carrying part at the station to be detected; the first conveying mechanism is used for conveying the workpiece. Through the mode, the detection device provided by the application can be used for efficiently detecting the workpiece.

Description

Detection device

Technical Field

The application relates to the technical field of semiconductor test equipment, in particular to a detection device.

Background

HJT (Heterojunction with Intrinsic Thin layer, heterojunction with internal thin layer) solar cell belongs to novel heterojunction cell, has advantages such as conversion efficiency is higher, preparation flow is succinct more, and the comprehensive properties is better than current battery technology, along with the continuous update and development of industry technology, HJT battery is expected to become next generation mainstream.

The existing EL (Electro Luminescence )/IV (volt-ampere characteristic) detection device is usually characterized in that a probe detection module is integrally arranged on a UVW adjustment table, a battery piece is visually positioned at a feeding station, and the position of the probe module is adjusted through the UVW adjustment table to match the position of the battery piece. Although the alignment function of the probe and the battery piece can be realized in this way, the structure is redundant, and the probe module needs to be adjusted once every time the probe module is detected, so that the detection efficiency is low, and the method is not suitable for the detection of the double-piece battery, such as the HJT double-piece battery.

Disclosure of Invention

The utility model mainly provides a detection device to solve the problem of low detection efficiency for a workpiece.

In order to solve the technical problems, the utility model adopts a technical scheme that: a detection device is provided. The detection device comprises: a first transport mechanism comprising a first transport assembly and a visual locator for obtaining positional information of a workpiece conveyed via the first transport assembly; the position adjusting mechanism is arranged at the downstream of the first conveying mechanism, is in communication connection with the visual positioning piece and is used for correcting the position of the workpiece according to the position information so as to adjust the position of the workpiece to a preset position; the detection mechanism is arranged at the downstream of the position adjusting mechanism and comprises a carrying disc assembly and a detection assembly, the carrying disc assembly is provided with a carrying part for fixing the workpiece and is used for conveying the workpiece from a station to be detected to a detection station, the detection assembly is in butt joint with the workpiece at the detection station and is used for detecting, and the preset position is consistent with the position of the carrying part at the station to be detected; and the first conveying mechanism is used for conveying the workpiece from the first conveying assembly to the position adjusting mechanism and conveying the corrected workpiece from the position adjusting mechanism to the bearing part at the station to be inspected.

In some embodiments, the first conveying assembly is a belt conveying mechanism conveying along a first direction, and comprises two groups of conveying belts arranged side by side along a second direction perpendicular to the first direction, and the two groups of conveying belts are used for conveying multiple groups of workpieces in sequence, and each group of workpieces comprises two workpieces arranged on the two groups of conveying belts side by side;

the visual positioning piece is arranged above the first conveying assembly and is used for acquiring the position information of at least one group of workpieces;

the two position adjusting mechanisms are arranged side by side along the second direction, and the position adjusting mechanisms are UVW positioning platforms or XY theta positioning platforms.

In some embodiments, the first transport mechanism further includes two centering assemblies disposed side by side, the centering assemblies being disposed on both sides of the conveyor belt for centering the corresponding workpiece on the first transport assembly in advance, and the centering assemblies being disposed in front of the visual positioning member with respect to a conveying direction of the first transport mechanism.

In some embodiments, the carrier assembly includes a carrier and a first drive member coupled to the carrier and configured to drive rotation of the carrier;

A plurality of groups of bearing parts are uniformly distributed on the bearing plate along the circumferential direction, and each group of bearing parts comprises two bearing parts which are distributed side by side along the circumferential direction;

the detection assembly comprises a probe assembly and a second driving piece, the probe assembly is arranged above and/or below the bearing part, the second driving piece is used for driving the probe assembly to lift, and the probe assembly is in butt joint with the workpiece located on the bearing part.

In some embodiments, the bearing part comprises a hollow frame arranged on the carrying disc and at least two groups of adsorption components connected to the hollow frame, and the adsorption components are used for adsorbing and fixing one group of workpieces.

In some embodiments, each group of the bearing parts comprises a hollowed-out frame arranged on the carrying disc and a strip-shaped adsorption piece extending along the circumferential direction of the carrying disc, wherein the adsorption piece is provided with adsorption holes or suction nozzles. In some embodiments, the probe assembly comprises two layers of probe rows, each layer of probe row comprises two groups of probes arranged side by side, and each group of probes is arranged in one-to-one correspondence with the bearing part;

the second driving piece drives the two layers of probe rows to be far away from each other and in a loosening state so as to receive the bearing part conveyed from the station to be detected; the second driving piece drives the two layers of probe rows to be close to each other and to be in a pressing state so as to butt-joint the corresponding workpieces.

In some embodiments, the first handling mechanism includes a third driving member, a distance varying member, and at least one set of picking members, where a set of picking members includes two picking members disposed side by side along the second direction, the distance varying member is disposed on the third driving member, the third driving member is configured to drive the distance varying member to reciprocate along the first direction, at least one set of picking members is mounted on the distance varying member, the distance varying member drives two picking members disposed side by side to move along the second direction, and adjusts a distance between the two picking members disposed side by side along the second direction, and one set of picking members is configured to correspondingly pick a set of workpieces.

In some embodiments, the first handling mechanism further comprises a mounting member, the driving end of the third driving member is connected to the mounting member, the picking members are in two groups, one group of picking members is mounted at one end of the mounting member, the distance changing member is mounted at the other end of the mounting member, and the other group of picking members is mounted on the distance changing member;

wherein a group of pick-up members which are not mounted on the variable-pitch member reciprocate between the first transport assembly and the position adjusting mechanism under the drive of the third driving member for transporting a group of workpieces from the first transport assembly to the position adjusting mechanism, the other group of picking pieces mounted on the distance changing piece are driven by the third driving piece to reciprocate between the position adjusting mechanism and the bearing part of the station to be inspected, and the picking pieces are used for conveying one group of workpieces from the position adjusting mechanism to the bearing part of the station to be inspected.

In some embodiments, the distance changing piece is a distance changing cylinder, and the two pick-up pieces are respectively arranged at two extending ends of the distance changing cylinder.

In some embodiments, the carrying disc comprises four carrying parts, the carrying parts sequentially rotate to pass through a station to be detected, a detection station, a discharging station and a wheel blank station, the station to be detected and the discharging station are oppositely arranged along the first direction, and the detection station and the wheel blank station are oppositely arranged along the second direction;

the detection device further comprises a second conveying mechanism and a second conveying mechanism, the second conveying mechanism is arranged at the downstream of the detection mechanism and corresponds to the arrangement of the unloading station, the conveying direction of the second conveying mechanism is the first direction, the second conveying mechanism is used for conveying the workpieces from the unloading station to the second conveying mechanism, and the second conveying mechanism is further used for enlarging the distance between two adjacent workpieces.

In some embodiments, the second transport mechanism is identical in structure to the first transport mechanism and the second transport mechanism is identical in structure to the first transport mechanism.

The beneficial effects of the application are as follows: the application discloses a detection device, which is different from the prior art. The application can be used for correcting the position of the workpiece based on the position information, so that the position of the workpiece to be detected can be adjusted to a preset position in advance in the transportation process of the workpiece to be detected, the workpiece can be transported to the position adjusting mechanism and the bearing part of the carrying disc assembly from the first transportation assembly in sequence by adopting the first transportation mechanism, so that the position of the workpiece in the transportation process can be ensured not to change, and the detection assembly can be directly abutted to the workpiece at the detection station and detect the workpiece after the turntable assembly transports the workpiece from the station to be detected to the detection station.

Drawings

For a clearer description of embodiments of the application or of solutions in the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only some embodiments of the application, from which, without the inventive effort, other drawings can be obtained for a person skilled in the art, in which:

FIG. 1 is a schematic diagram of an embodiment of a detecting device according to the present application;

FIG. 2 is a schematic top view of the position adjustment mechanism of the detection apparatus shown in FIG. 1;

FIG. 3 is a schematic view of the position adjustment mechanism shown in FIG. 2;

fig. 4 is a schematic view of the structure of the carrier plate assembly in the inspection apparatus shown in fig. 1.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terms "first," "second," "third," and the like in embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The present application provides a detecting device 100, referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an embodiment of the detecting device provided by the present application, fig. 2 is a schematic structural diagram of a position adjusting mechanism in the detecting device shown in fig. 1, and fig. 3 is a schematic structural diagram of the position adjusting mechanism shown in fig. 2; fig. 4 is a schematic view of the structure of the carrier plate assembly in the inspection apparatus shown in fig. 1.

The detection device 100 can be applied to the fields of solar cell, chip or integrated circuit manufacturing, for example, for detecting electrical properties and/or defects of a finished product or a semi-finished product at a certain stage in a chip or an integrated circuit, and is particularly suitable for detecting electrical properties and/or defects of a semi-cell in a solar cell.

The present application is described by taking a half-cell in the solar cell field as a workpiece to be detected for EL detection as an example, so as to describe the structure and the operation flow of the detection device 100 provided by the present application.

The detection device 100 comprises a first conveying mechanism 10, a position adjusting mechanism 20, a detection mechanism 30 and a first conveying mechanism 40, wherein the first conveying mechanism 10, the position adjusting mechanism 30 and the detection mechanism 30 are sequentially distributed along a production line, the first conveying mechanism 40 can be arranged on one side or the upper side of the first conveying mechanism 10, the position adjusting mechanism 20 and the detection mechanism 30, and a pick-up piece of the first conveying mechanism 40 reciprocates and takes and discharges materials above the first conveying mechanism 10, the position adjusting mechanism 20 and the detection mechanism 30 so as to finish conveying.

The first transport mechanism 10 includes a first transport assembly 12 and a visual positioning member 14, the visual positioning member 14 for acquiring positional information of a workpiece 101 conveyed via the first transport assembly 12; the position adjusting mechanism 20 is disposed downstream of the first transporting mechanism 10 and is connected to the vision positioner 12 in a communication manner, and is configured to correct the position of the workpiece 101 according to the position information, and adjust the position of the workpiece 101 to a preset position; the detection mechanism 30 is arranged at the downstream of the position adjustment mechanism 20 and comprises a carrier disc assembly 32 and a detection assembly 34, the carrier disc assembly 32 is provided with a carrying part 320 for fixing the workpiece 101 and is used for conveying the workpiece 101 from the station to be detected to the detection station, the detection assembly 34 is in butt joint with the workpiece 101 at the detection station and detects, and the preset position is consistent with the position of the carrying part 320 at the station to be detected; the first conveying mechanism 40 is used for conveying the workpiece 101 from the first conveying assembly 12 to the position adjusting mechanism 20 and conveying the corrected workpiece 101 from the position adjusting mechanism 20 to the carrying part 320 at the station to be inspected.

Wherein the workpiece 101 may be a half-cell, the workpiece 101 may be put on the first transporting assembly 12, the first transporting assembly 12 is used for transporting the workpiece 101, the visual positioning member 14 acquires position information of the workpiece 101 during transporting the workpiece 101, and a transporting state of the workpiece 101 is continuous during transporting the workpiece 101, as an implementation scheme, the first transporting assembly 12 transports the workpiece 101 step by step, and the visual positioning member 14 acquires position information of the workpiece 101 when the workpiece is transported to the visual positioning member 14 step by step.

The first transporting assembly 12 may sequentially transport a single workpiece 101, or may sequentially transport multiple groups of workpieces 101, each group of workpieces 101 including multiple workpieces 101 arranged side by side, for example, each group of workpieces 101 including two, three, or four equal numbers of workpieces 101.

The visual positioning member 14 may be a visual positioning camera, video camera, or CCD (Charge coupled Device) image sensor, etc., which is capable of capturing visual images, and the present application is not particularly limited thereto.

The vision positioning part 14 transmits the acquired position information of the workpiece 101 to the position adjusting mechanism 20, and preferably, in the process of conveying the workpiece 101 from the first conveying assembly 21 to the position adjusting mechanism 20 by the first conveying mechanism 40, data processing is synchronously performed, so that the position adjusting mechanism 20 can acquire the position information (such as the position and the angle) required to be corrected of the workpiece 101 in time, and after the workpiece 101 is placed on the position adjusting mechanism 20, the position adjusting mechanism 20 can correct the position of the workpiece 101 so that the position of the workpiece 101 is adjusted to a preset position, and therefore, the workpiece 101 can be directly and without readjustment to interface with the detecting assembly 34 when being in a subsequent detecting station, especially, for a plurality of workpieces 101, such as two workpieces 101, the position adjustment of which is completed before entering the detecting assembly 34, so that a plurality of workpieces 101 can be detected by using the same detecting assembly 34.

The first conveying mechanism 40 can accurately convey the workpiece 101 from the first conveying assembly 12 to the position adjusting mechanism 20 in an automatic mode, and convey the corrected workpiece 101 from the position adjusting mechanism 20 to the bearing part 320 at the station to be detected, through the automatic operation step, the change of the current position of the workpiece 101 caused by other reasons such as manual work can be avoided, further, operation errors are brought to subsequent positions for correcting, detecting, butting and other scenes, and the butting accuracy of the detecting assembly 34 and the workpiece 101 can be further improved, so that the detection efficiency is improved.

The first carrying mechanism 40 can sequentially complete the two-step carrying actions, or preferably simultaneously complete the two-step carrying actions, thereby further saving the detection time and relatively improving the detection efficiency.

The detection mechanism 30 comprises a carrying disc assembly 32 and a detection assembly 34, the carrying disc assembly 32 is provided with a carrying part 320 for fixing the workpiece 101, the carrying part 320 can be a suction nozzle mechanism, a groove structure, a surrounding baffle structure or a positioning column and other structures, so that the workpiece 101 is accurately fixed, the position of the workpiece 101 is ensured not to change, and the detection assembly 34 can be directly abutted against the workpiece 101 at the detection station after the carrying disc assembly 32 conveys the workpiece 101 from the station to be detected to the detection station, so that the detection efficiency is improved.

Wherein the carrier plate assembly 32 can perform transfer of the workpiece 101 by linear motion or rotational motion, for example, transfer from a station to be inspected to a detection station, and the detection assembly 34 can be an EL (Electro Luminescence ) and/or IV (volt-ampere characteristic) detection assembly to detect electrical properties and/or defects of the workpiece 101.

According to the application, when the first conveying component 12 is used for conveying the workpiece 101, the visual positioning component 14 is adopted to obtain the position information of the workpiece 101 in advance and transmit the position information to the position adjusting mechanism 20, the position adjusting mechanism 20 can correct the position of the workpiece 101 based on the position information, so that the position of the workpiece 101 is adjusted to be a preset position, the first conveying mechanism 40 is adopted to convey the workpiece 101 from the first conveying component 12 to the position adjusting mechanism 20 and the bearing part 320 of the carrying disc component 32 in sequence, so that the position of the workpiece 101 is ensured not to change in the conveying process, and the rotating disc component 32 is used for conveying the workpiece 101 from the station to be detected to the detecting station, therefore, the detecting component 34 can be directly abutted to the workpiece 101 at the detecting station and can detect the workpiece 101 at the detecting station after the rotating disc component 32 is used for conveying the workpiece 101 from the station to be detected, and the position of the detecting component 34 is not required to be adjusted in advance by the UW adjusting table of the detecting module in the prior art, and the position of the workpiece 101 can be directly abutted to the detecting component 34 is not required to be detected by the detecting component 34, and the position of the detecting component 34 is required to be detected in a mode of detecting the detecting component 34 is greatly.

In this embodiment, the first transporting assembly 12 is configured to sequentially transport multiple groups of workpieces 101 along a first direction, each group of workpieces 101 includes two workpieces 101 disposed side by side along a second direction perpendicular to the first direction, and the visual positioning element 14 is configured to obtain position information of at least one group of workpieces 101; the position adjusting mechanism 20 can be used for adjusting the deflection angle of each workpiece 101 to a preset angle and aligning each workpiece 101 in each group of workpieces 101 along a preset direction, so that the positions of the workpieces 101 are adjusted to preset positions, and the positions of one group of workpieces 101 can be adjusted at the same time, thereby further improving the detection efficiency and saving the detection time.

The first transporting assembly 12 may be a belt transporting mechanism, a roller transporting mechanism, a slide transporting mechanism, or the like, which may be an integral structure to simultaneously transport a set of workpieces 101, for example, the first transporting assembly 12 may be a belt transporting mechanism of an integral structure, which may sequentially transport a plurality of sets of workpieces 101; the first transport assembly 12 may also be a split freestanding structure, for example, the first transport assembly 12 may include a plurality of belt transport mechanisms disposed side-by-side, one for each group of workpieces 101.

Referring to fig. 1, in the present embodiment, the first transporting assembly 12 is a belt transporting mechanism that transports in a first direction, and includes two sets of conveyor belts disposed side by side in a second direction perpendicular to the first direction for transporting a plurality of sets of workpieces 101 in sequence, wherein two workpieces 101 disposed side by side in the second direction are used as one set of workpieces 101, and each set of workpieces 101 can be transported synchronously. As a preferred way, see fig. 1, two workpieces 101 of each group of workpieces 101 are transported side by side in the second direction on two groups of conveyor belts.

The number of the visual positioning members 14 may be one or two or more, and one visual positioning member 14 may simultaneously perform positioning photographing on one set of workpieces 101, or the number of the visual positioning members 14 may be identical to the number of the workpieces 101 in each set of workpieces 101, so that each visual positioning member 14 may perform photographing positioning on the corresponding workpiece 101. Referring to fig. 1, two workpieces 101 are simultaneously imaged with one visual positioning member 14.

After the position information of the current workpiece 101 is acquired, the current position information is compared with a preset position to obtain a deviation value such as a deflection angle and a position, so that the adjustment assembly 20 corrects the position of the current workpiece 101 based on the deviation value.

Specifically, after being adjusted by the position adjusting mechanism 20, the deflection angles of the workpieces 101 in each group of workpieces 101 are the same and aligned in a predetermined direction. It will be appreciated that in practice, each workpiece 101 in each set of workpieces 101 will ultimately be aligned with the inspection assembly 34.

The position adjustment mechanism 20 may be a UVW positioning platform, the specific specifications of which are not limited.

Referring to fig. 2 and 3, the position adjusting mechanism may also be an xyθ positioning platform, which includes an X-direction adjusting member 22 and a Y-direction adjusting member 24, both of which may be linear motors driving the sliding blocks to move on the sliding rails to complete adjustment, and further includes a θ -direction adjusting member 23 driven to rotate by a rotating motor. The position adjustment mechanism 20 may be any other commercially available device having angle adjustment and linear adjustment functions, and the present application is not limited thereto.

The number of the position adjusting mechanisms 20 is consistent with the number of the workpieces 101 in each group of workpieces 101, and each position adjusting mechanism 20 correspondingly adjusts the position of one workpiece 101. Referring to fig. 1, 2 and 3, two position adjustment mechanisms 20 are positioned side-by-side in a second direction and interface with the aforementioned first transport assembly 12.

Further, the first transporting mechanism 10 further includes at least two sets of centering assemblies 16 disposed side by side, the number of the centering assemblies 16 is consistent with the number of the workpieces 101 in each set of workpieces 101, and each set of workpieces 101 is disposed in a one-to-one correspondence manner, the centering assemblies 16 are used for centering and positioning the corresponding workpieces 101 on the first transporting assembly 12 in advance so as to primarily correct the positions of the workpieces 101, so that the subsequent position adjusting mechanism 20 can adjust the positions of the workpieces 101 to preset positions by fine adjustment, the efficiency of adjusting the positions of the workpieces 101 is improved, and the working efficiency of the detecting device 100 is further improved.

The centering assembly 16 may include two sets of adjustment rollers disposed on two sides of the path along which the workpiece 101 is transported by the first transport assembly 12, and perform centering and positioning on the workpiece 101 by clamping, so as to implement preliminary correction on the position thereof. Alternatively, the centering assembly 16 includes a guide baffle and an adjustment roller, and the guide baffle and the adjustment roller are respectively disposed on two sides of the path of the first conveying assembly 12 for conveying the workpiece 101, and the guide baffle can guide and cooperate with the adjustment roller to perform centering positioning on the workpiece 101.

Referring to fig. 1, the centering assembly 16 is two centering clips disposed side-by-side on either side of the double conveyor belt of the first conveyor assembly 12.

In this embodiment, the centering component 16 is disposed opposite to the head end of the first transporting component 12, the visual positioning component 14 is disposed opposite to the tail end of the first transporting component 12, and the visual positioning component 14 is disposed above the first transporting component 12, at least for acquiring the position information of a group of workpieces 101 at the tail end of the first transporting component 12.

The centering component 16 is arranged at the head end of the first conveying component 12, so that the workpiece 101 can be centered and positioned at first, the initial correction of the workpiece 101 can be finished, and the defects of workpiece falling and the like in the conveying process caused by poor placement posture of the workpiece 101 can be effectively avoided; the visual positioning member 14 is relatively disposed at the tail end of the first conveying assembly 12, so that the position of the workpiece 101 before leaving the first conveying assembly 12 can be effectively confirmed, and the initial position of the workpiece 101 on the position adjusting mechanism 20 can be ensured to be the same as the position information acquired by the visual positioning member 14, so that the situation that the position adjusting mechanism 20 is invalid or inaccurate in correction can be effectively avoided, and the adjustment efficiency of the workpiece 101 can be effectively improved.

In this embodiment, the carrier assembly 32 includes a carrier 322 and a first driving member 324, wherein a plurality of groups of bearing portions 320 are disposed on the carrier 322, and the first driving member 324 is connected to the carrier 322 and is used for driving the carrier 322 to rotate; each group of bearing parts 320 are circumferentially and equidistantly distributed along the rotation direction, and each group of bearing parts 320 comprises a plurality of bearing parts 320 corresponding to one group of workpieces 101 and are used for correspondingly bearing one group of workpieces 101; specifically, each set of carrying parts 320 includes two carrying parts 320 distributed side by side in the circumferential direction; the detecting assembly 34 includes a probe assembly 340 and a second driving member 342, the probe assembly 340 is disposed above and/or below the carrying portion 320, the second driving member 342 is used for driving the probe assembly 340 to lift, and the probe assembly 340 is used for abutting the workpiece 101 located on the carrying portion 320.

Referring to fig. 1, in this embodiment, a detecting device 100 is provided with a station to be detected, a detecting station, a discharging station, and a wheel-empty station; the carrying disc 322 comprises four extending ends, each extending end is provided with a group of carrying parts 320, each group of carrying parts 320 can be sequentially and alternately positioned at a station, namely, each group of carrying parts 320 sequentially rotate to pass through a station to be inspected, a detection station, a discharging station and a wheel blank station, wherein the number of workpieces 101 in each group of workpieces 101 is the same as the number of carrying parts 320 in each group of carrying parts 320, in this embodiment, two carrying parts 320 are arranged side by side along the circumferential direction; the first driving member 324 may be a motor or a motor, an output end of the motor or the motor is connected with the turntable 322, or the first driving member 324 includes a motor and a gear assembly, the motor drives the turntable 322 through the gear assembly, or the first driving member 324 includes a rack and pinion assembly and a cylinder, and the cylinder can drive the turntable 322 to rotate through the rack and pinion assembly.

The carrier plate assembly 32 is in a rotary transportation mode, so that each group of carrier parts 320 can circulate among stations, the occupied area of the carrier plate assembly 32 can be effectively reduced, the transportation efficiency can be improved, the butt joint with the workpiece 101 can be conveniently realized and the detection can be completed by matching with the lifting mode of the probe assembly 340 in the detection assembly 34, and the detection efficiency can be effectively improved.

Referring to fig. 1, in this embodiment, the station to be inspected is a loading station, when the carrying portions 320 are located at the station, since the two carrying portions 320 are arranged side by side along the circumferential direction, when the carrying portions 320 are located at the loading station, the two carrying portions 320 are just arranged side by side along the second direction.

Referring to fig. 4, in the present embodiment, each set of carrying portion 320 includes a hollow frame 323 disposed on a carrying tray 322 and two sets of adsorption assemblies 321 connected to the hollow frame 323, the adsorption assemblies 321 are provided with suction nozzles or suction holes to adsorb and fix the workpieces 101 on the carrying portion 320 in an adsorption manner, and each set of adsorption assemblies 321 is used for adsorbing and fixing one set of workpieces 101.

Each group of the adsorption components 321 is configured to adsorb and fix and support a corresponding workpiece 101, each group of the adsorption components 321 includes a plurality of adsorption members 326 extending along a circumferential direction, the adsorption members 326 are connected to the hollow frame 323, the number of the adsorption members 326 may be two, three or four, the adsorption members 326 are provided with suction nozzles or adsorption holes, and the plurality of adsorption members 326 in each group further define a carrying portion 320 for fixing the workpiece 101. Wherein the suction member 326 is positioned so as to avoid the position to be detected of the workpiece 101. The suction members 326 are circumferentially arranged so as to avoid the position to be inspected of the workpiece 101 (the battery cell).

The adsorption piece 326 is in a strip shape and extends along the circumferential direction of the carrying disc 322 relatively, so that the support stability of the workpiece 101 is met, the area of the workpiece 101 shielded by the adsorption piece is reduced as much as possible by utilizing the strip-shaped structure of the adsorption piece, the position to be detected of the workpiece 101 (the battery piece) is avoided, and double-sided detection of the workpiece 101 (the battery piece) from above and below can be realized.

In other embodiments, the probe assembly 340 may also employ a single-sided inspection of the workpiece 101 from above or below.

Optionally, the adsorption component 321 may also be an adsorption frame, and the adsorption frame is provided with a suction nozzle or a suction hole in a surrounding manner.

The probe assembly 340 includes two layers of probe rows 344, each layer of probe row 344 includes a plurality of groups of probes 345 arranged side by side, the plurality of groups of probes 345 are arranged in one-to-one correspondence with the workpiece 101, each group of probes 345 includes a plurality of probes, and the probes are used for butting with corresponding contacts or grid lines on the workpiece 101 to form a path, so as to detect corresponding performance indexes of the workpiece 101; the second driving member 342 drives the two probe rows 344 to be separated from each other in the vertical direction to take a loose posture so as to receive the carrying portion 320 conveyed from the station to be inspected; the second driving member 342 drives the two-layered probe rows 344 to approach each other in the vertical direction in a pressed posture to respectively butt-joint the respective workpieces 101 from above and below.

Referring to fig. 1, in the present embodiment, each layer of probe row 344 includes two groups of probes 345 symmetrically arranged, and the two groups of probes 345 are correspondingly arranged with the two carrying portions 320 of the carrier plate assembly 32, so as to be used for simultaneously detecting two workpieces 101 arranged on the two carrying portions 320; the second driving member 342 may be a motor opening and closing linkage mechanism for driving the two-layer probe row 344 to be loosened or pressed, wherein the two-layer probe row 344 is mounted on a sliding rail supporting member through an adapter plate, the sliding rail supporting member is arranged along a vertical direction, and the probe row 344 is ensured to move along the vertical direction, so that damage to the workpiece 101 can be avoided.

Specifically, the motor opening and closing linkage mechanism of the prior art may include a first link and a second link, and are respectively connected to the two-layer probe row 344. When the workpiece 101 (battery piece) to be inspected is conveyed from the station to be inspected to the inspection station, the second driving member 342 drives the two-layer probe row 344 to be loosened along the vertical direction, and when the carrying portion 320 carrying the workpiece 101 to be inspected reaches the inspection station, the second driving member 342 drives the two-layer probe row 344 to be closely pressed along the vertical direction, and the probe row 344 contacts the portion to be inspected of the workpiece 101 (battery piece) to complete the inspection. Then, the second driving member 344 drives the two probe rows 344 to be released in the vertical direction, the carrying portion 320 carrying the workpiece 101 to be inspected moves to the next station, and the carrying portion 320 located at the station to be inspected drives the next group of workpieces 101 to be inspected to move to the inspection station.

Those skilled in the art will appreciate that the probes 345 of the probe row 344 may be a plurality of parallel probe 345 or may be an array of probe 345. One skilled in the art can set the position to be inspected according to the grid line waiting of the workpiece 101 (battery cell) to be inspected.

As shown in fig. 1, the probe row 344 in fig. 1 includes an upper layer and a lower layer, which are respectively located on the upper side and the lower side of the carrying portion 320, and respectively contact the workpiece 101 from above and below during butt joint, and the application is not limited thereto, and the probe row 344 may also include only one layer, which is suitable for detecting batteries such as IBC batteries and other single-sided grid lines. The probe row 344 may be disposed above the carrying portion 320, or below the carrying portion 320, where the probe row 344 is mounted on a sliding rail support through an adapter plate, and the sliding rail support is disposed along a vertical direction, and the driving device controls the probe row 344 to rise or fall, and approach or leave the workpiece 101.

The first handling mechanism 40 includes a third driving member 42, a distance varying member 44, and at least one set of picking members 46, where at least one set of picking members 46 is mounted on the distance varying member 44, and optionally, some picking members 46 are not mounted on the distance varying member 44, the distance varying member 44 is disposed on the third driving member 42, the third driving member 42 is configured to drive the distance varying member 44 to reciprocate along a first direction, and the distance varying member 44 drives two picking members 46 disposed side by side to move along a second direction to adjust a distance between adjacent picking members 46, and one set of picking members 46 is configured to correspondingly pick a set of workpieces 101. Referring to fig. 1, in the present embodiment, the set of pickup pieces 46 includes two pickup pieces 46 arranged side by side in the second direction.

To facilitate the transportation of the workpieces 101, the distance between two workpieces 101 transported side by side on the first transporting assembly 12 is slightly wider to avoid collision between adjacent workpieces 101, and to reduce the size of the detecting mechanism 30, the distance between the carrying portions 320 and the probe groups 345 arranged side by side is slightly narrower, so that the distance between two adjacent carrying portions 320 in each group of carrying portions 320 is smaller than the distance between two adjacent workpieces 101 in each group of workpieces 101 on the first transporting assembly 12. In the position adjustment mechanism 30, since a large distance is required between the position adjustment mechanisms arranged side by side for angle and position adjustment, the distance between the workpieces 101 needs to be reduced before the inspection to satisfy the measurement range of the inspection workpiece 34. The application can adjust the space between the workpieces 101 in real time according to the requirement by adding the distance changing piece 44 so as to meet the space requirement during detection or transportation.

The third driving member 42 may be an electric sliding table or a belt driving mechanism, and the driving direction thereof is the first direction; the distance varying member 44 may be a distance varying cylinder, the plurality of picking members 46 are arranged side by side along the second direction and are respectively installed at two extending ends of the distance varying cylinder 44, or the distance varying member 44 includes two, three or the like number of independent cylinders, the plurality of picking members 46 are respectively arranged at the extending ends of the plurality of independent cylinders, and the driving direction of the distance varying member 44 is the second direction so as to realize the distance varying between the two picking members 46 side by side; the pick-up member 43 may be a suction cup, may pick up the workpiece 101 by suction, and may keep the position of the workpiece 101 unchanged before and after picking up.

Alternatively, the picking member 46 may be a group from which the workpieces 101 are sequentially transported from the first transport assembly 12 to the position adjustment mechanism 20 and the carrier plate assembly 32.

In this embodiment, the two pickup pieces 46 are provided, the first carrying mechanism 40 further includes a mounting piece 45, the driving end of the third driving piece 42 is connected to the mounting piece 45, one pickup piece 46 is mounted at one end of the mounting piece 45, the distance-varying piece 44 is mounted at the other end of the mounting piece 45, and the other pickup piece 46 is mounted on the distance-varying piece 44; wherein, a group of picking members 46 which are not mounted on the distance changing member 44 reciprocate between the first conveying member 12 and the position adjusting mechanism 20 under the driving of the third driving mechanism 42 for conveying a group of workpieces 101 from the first conveying assembly 12 to the position adjusting mechanism 20, and another group of picking members 46 which are mounted on the distance changing member 44 reciprocate between the position adjusting mechanism 20 and the bearing part 320 of the station to be inspected under the driving of the third driving mechanism 42 for conveying a group of workpieces 101 from the position adjusting mechanism 20 to the bearing part 320 of the station to be inspected.

The two groups of pick-up members 46 can pick up and carry the workpieces 101 at different positions at the same time, so that the carrying efficiency of the workpieces 101 can be further improved, and the detection efficiency of the workpieces 101 can be improved.

The carrier tray assembly 32 is also used for conveying the detected workpiece 101 to a discharging station; the inspection device 100 further includes a second transporting mechanism 50 and a second transporting mechanism 60, the second transporting mechanism 50 is disposed downstream of the inspection mechanism 30, the second transporting mechanism 60 is used for transporting the workpieces 101 from the unloading station to the second transporting mechanism 50, and the second transporting mechanism 60 is further used for enlarging a distance between two adjacent workpieces 101.

The second carrying mechanism 60 is used for unloading, and is also used for enlarging the distance between two adjacent workpieces 101 so as to meet the transportation requirement of the second carrying mechanism 60, and the specific structure thereof can refer to the first carrying mechanism 40 and is not described again.

The second transport mechanism 50 may refer to the structure of the first transport assembly 12, and the second transport mechanism 50 is configured to convey the detected workpiece to a next process, for example, to a sorting device, where the sorting device may sort the detected workpiece 101 to the next process and sort the detected workpiece 101 to a recycling station based on the detection result of the workpiece 101 by the detection device 100.

Referring to fig. 1, in this embodiment, a station to be inspected (loading station) and a station to be discharged are correspondingly disposed in a first direction, the inspection station is disposed between the station to be inspected and the station to be discharged, and two bearing portions 320 are disposed in the station to be inspected and the station to be discharged just side by side in a second direction.

The second transporting mechanism 60 has the same structure as the first transporting mechanism 10, and is a double belt transporting device having two transporting directions arranged side by side in the second direction.

The second carrying mechanism 50 has the same structure as the first carrying mechanism 40, the third driving member 42 drives the picking members 46 to reciprocate in the first direction, and the two picking members 46 are arranged side by side in the second direction.

According to the detection device 100 disclosed by the application, the direction of the assembly line is vertical (first direction), two half-cell pieces (workpieces 101) are conveyed side by side along the first direction through the first conveying assembly 12, the pick-up piece 46 of the first conveying mechanism 40 conveys the two half-cell pieces to the two position adjusting mechanisms 20 which are arranged side by side, meanwhile, the two adjusted half-cell pieces on the position adjusting mechanisms 20 are conveyed to the carrying part 320 of the carrying disc assembly 32, which is positioned at a station to be detected (a feeding station), by the pick-up piece 46 of the first conveying mechanism 40, the distance between the two half-cell pieces is reduced by the distance changing piece 44 in the conveying process so as to adapt to the carrying part 320 and the probe assembly 340 of the detection assembly 34, the carrying part 320 positioned at the station to be detected is rotated 90 degrees to reach the detection station, the two-layer probe rows 344 are pressed, the two half-cell pieces are detected, the two-layer probe rows 344 are loosened after detection, the carrying part 320 is rotated 90 again to reach the unloading station, the two half-cell pieces are conveyed to the carrying part 320 through the second conveying mechanism 50 to the carrying part 60 to complete the unloading process, and the two half-cell pieces are conveyed in the conveying process, so that the two half-cell pieces are changed in the distance.

The detection device 100 of the application has the same material inlet and outlet directions, can be well abutted with equipment positioned at the upstream and downstream of the detection device, and the detection assembly 34 is positioned at the side parts of the first conveying assembly 12 and the second conveying mechanism 60, so that the detection device is convenient to install and overhaul.

Based on this, the present application also provides a solar cell production line (not shown), which includes the detection device 100 as described above, wherein the detection device 100 is used for performing performance detection on a half-cell of a solar cell.

The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.

Claims

1. A detection apparatus, characterized by comprising:

a first transport mechanism comprising a first transport assembly and a visual locator for obtaining positional information of a workpiece conveyed via the first transport assembly;

the position adjusting mechanism is arranged at the downstream of the first conveying mechanism, is in communication connection with the visual positioning piece and is used for correcting the position of the workpiece according to the position information and adjusting the position of the workpiece to a preset position;

The detection mechanism is arranged at the downstream of the position adjusting mechanism and comprises a carrying disc assembly and a detection assembly, the carrying disc assembly is provided with a carrying part for fixing the workpiece and is used for conveying the workpiece from a station to be detected to a detection station, the detection assembly is in butt joint with the workpiece at the detection station and is used for detecting, and the preset position is consistent with the position of the carrying part at the station to be detected;

and the first conveying mechanism is used for conveying the workpiece from the first conveying assembly to the position adjusting mechanism and conveying the corrected workpiece from the position adjusting mechanism to the bearing part at the station to be inspected.

2. The inspection apparatus of claim 1 wherein said first transport assembly is a belt conveyor mechanism for transporting in a first direction, comprising two sets of conveyor belts disposed side-by-side in a second direction perpendicular to the first direction for sequentially transporting a plurality of sets of said workpieces, each set of said workpieces comprising two of said workpieces disposed side-by-side on two sets of said conveyor belts;

3. The inspection device of claim 2, wherein the first transport mechanism further comprises two centering assemblies disposed side-by-side, the centering assemblies being disposed on both sides of the conveyor belt for centering the corresponding workpiece on the first transport assembly in advance, and the centering assemblies being disposed in front of the vision positioner with respect to a transport direction of the first transport mechanism.

4. The detection apparatus according to claim 2, wherein the carrier assembly comprises a carrier and a first drive member coupled to the carrier and configured to drive the carrier in rotation;

5. The apparatus according to claim 4, wherein each group of the carrying parts comprises a hollow frame arranged on the carrying disc and two groups of adsorption components connected to the hollow frame, and each group of adsorption components is used for adsorbing and fixing one group of workpieces.

6. The detecting device according to claim 4 or 5, wherein each group of the carrying parts comprises a hollowed-out frame arranged on the carrying disc and a strip-shaped adsorbing member extending along the circumferential direction of the carrying disc, and the adsorbing member is provided with adsorbing holes or sucking nozzles.

7. The detection device according to claim 4, wherein the probe assembly comprises two layers of probe rows, each layer of probe rows comprises two groups of probes arranged side by side, and each group of probes is arranged in one-to-one correspondence with the bearing part;

8. The inspection apparatus of claim 4 wherein said first handling mechanism includes a third drive member, a displacement member and at least one set of picking members, one set of picking members including two picking members disposed side-by-side along said second direction, said displacement member disposed on said third drive member for driving said displacement member to reciprocate along said first direction, at least one set of picking members mounted on said displacement member, said displacement member driving two picking members disposed side-by-side along said second direction, a set of picking members for correspondingly picking up a set of said workpieces, and a spacing between said two picking members disposed side-by-side along said second direction.

9. The inspection apparatus according to claim 8, wherein the first handling mechanism further comprises a mounting member, the driving end of the third driving member is connected to the mounting member, the picking members are in two groups, one group of the picking members is mounted at one end of the mounting member, the distance changing member is mounted at the other end of the mounting member, and the other group of the picking members is mounted on the distance changing member;

10. The detecting device according to claim 8 or 9, wherein the distance varying member is a distance varying cylinder, and the two pick-up members are respectively mounted at two protruding ends of the distance varying cylinder.

11. The inspection apparatus of claim 8 wherein said carrier tray comprises four sets of said carrier sections, each set of said carrier sections rotating sequentially past a station to be inspected, a detection station, a discharge station and a wheel-empty station, said stations being disposed opposite one another in said first direction, said stations being disposed opposite one another in said second direction;

the detection device further comprises a second conveying mechanism and a second carrying mechanism, wherein the second conveying mechanism is arranged at the downstream of the detection mechanism and corresponds to the arrangement of the unloading station, the conveying direction of the second conveying mechanism is the first direction, and the second carrying mechanism is used for carrying the workpiece from the unloading station to the second conveying mechanism.

12. The inspection apparatus of claim 11 wherein the second transport mechanism is identical in construction to the first transport mechanism and the second transport mechanism is identical in construction to the first transport mechanism.