A battery shell turnover positioning appearance inspection device

Abstract

The application discloses a turnover positioning appearance inspection equipment for a battery shell, which comprises a discharging positioning turnover conveying device and an automatic appearance inspection device. The discharging positioning turnover conveying device comprises a position degree correction mechanism, a conveying supply line, a transfer mechanical arm and a transfer mechanism. The automatic appearance inspection device comprises a discharging line group and an inner-outer inspection group. The inner-outer inspection group comprises an inner surface inspection mechanical arm, an inner surface image acquisition inspection part, an outer surface inspection mechanical arm and an outer surface image acquisition inspection part. The application can realize the alignment of the battery shell at equal intervals and the correction of the position degree after cleaning, meet the precision requirement of the appearance inspection device, make the appearance inspection operation more efficient and the detection more accurate. The mechanical arm is used for the detection displacement adjustment and cooperation of the outer surface and the inner surface, the image acquisition station setting on the traditional detection line is reduced, the detection line stroke is greatly reduced, and the detection is very efficient. The application can adapt to the high-speed cleaning line.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of battery shell's turnover positioning appearance inspection equipment, belong to the technical field of battery shell blanking detection. BACKGROUND

[0002] Power battery system (power battery PACK, battery pack) is the core energy source for providing driving power for new energy vehicles, and is one of the most critical components of new energy vehicles. The power battery system mainly consists of battery modules, electrical systems, thermal management systems, housings and BMS components, and the battery modules, electrical systems, thermal management systems and BMS are packaged by the housing to form the main body of the power battery system.

[0003] The power battery system housing (battery housing) as the carrier of the battery module plays a key role in the stable operation and safety protection of the battery module. In addition to ensuring strength, stiffness and collision safety requirements, it also meets the design requirements of IP67 protection level of electrical equipment housing.

[0004] Currently, the battery housing mainly adopts a rectangular housing with an open top. In order to meet the structural strength requirements, a forging forming method is generally used. After the battery housing is forged and formed, it needs to be cleaned by a water washing line to remove oil stains and other contaminants. After cleaning, it is discharged for appearance inspection. The appearance inspection needs to detect the top surface of the rectangular housing, the outer peripheral wall surface of the rectangular housing and the inner cavity of the rectangular housing, so as to ensure the quality stability of qualified battery housings.

[0005] In the prior art, the water washing line needs to suspend the rectangular housing with a certain degree of freedom. A support column is generally used to support the rectangular housing in the inner cavity for supporting and loading. In this way, the rectangular housing has a certain degree of freedom, and each angle is washed in place without dead angles. When using such a water washing line, the position of the rectangular housing on the support column has a large deviation after water washing and drying. When the battery housing is discharged and turned over, it is difficult to ensure the position accuracy, so it is difficult to dock with the rear-end appearance inspection device. It needs to be adjusted by rectifying, equidistant adjusting and conveying line, which undoubtedly increases the cost of equipment, and the turnover efficiency is low, and it is also easy to cause damage to the outer surface of the battery housing.

[0006] In addition, the traditional appearance inspection device generally adopts multi-surface detection mechanism for cooperation, that is, a battery shell conveying belt needs to be first set, a plurality of image detection parts corresponding to the outer peripheral wall surface are set along the conveying direction of the battery shell conveying belt, a top image detection part needs to be set, after the outer surface detection, the battery shell needs to be flipped by a flipping mechanism to be open upward, after the flipping, the rotating direction control is needed to be performed by the probe type image acquisition part for the detection of each wall surface in the cavity, so that the detection efficiency is very low, the number of image acquisition parts involved is large, and the image to appearance detection efficiency is low. SUMMARY

[0007] The purpose of the present application is to solve the above-mentioned problems of the prior art, aiming at the problems of the traditional water washing line, such as poor accuracy of battery shell unloading position, position adjustment by using correction and correction conveying line affecting turnover efficiency, too many detection positions involved in appearance inspection, and other problems, a battery shell turnover positioning appearance inspection equipment is proposed.

[0008] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is:

[0009] A battery shell turnover positioning appearance inspection equipment, the battery shell is a rectangular shell with an opening, the turnover positioning appearance inspection equipment is arranged at the discharging end of the battery shell water washing line,

[0010] The turnover positioning appearance inspection equipment comprises a discharging positioning turnover conveying device and an automatic appearance detection device,

[0011] The discharging positioning turnover conveying device comprises a position degree correction mechanism, at least one conveying supply line, a transfer mechanical arm for transferring the battery shell at the discharging end of the battery shell water washing line to the position degree correction mechanism, and a transfer mechanism for transferring the battery shell on the position degree correction mechanism to the conveying supply line,

[0012] The transfer mechanical arm is provided with a pickup carrier, and the pickup carrier is provided with a plurality of negative pressure pickup parts distributed at linear intervals,

[0013] The position degree correction mechanism comprises at least one linear correction belt, and a plurality of battery shell position degree correction seats are arranged at intervals on the linear correction belt,

[0014] The transfer mechanism comprises a transfer rack capable of switching displacement between the linear correction belt and the conveying supply line, the transfer rack is provided with a transfer rack capable of linear displacement in the direction of the linear correction belt, and the transfer rack is provided with a transfer negative pressure pickup part,

[0015] The automatic appearance detection device comprises a discharging line group for battery shell classification and discharging, an inner and outer detection group corresponding to the conveying supply line one by one,

[0016] The inner and outer detection group comprises an inner surface detection mechanical arm for adsorbing the top wall surface of the battery shell on the conveying supply line, an inner surface image acquisition detection part cooperating with the inner surface detection mechanical arm, an outer surface detection mechanical arm for cooperating with the inner surface detection mechanical arm to adsorb the inner cavity top wall of the battery shell, and an outer surface image acquisition detection part cooperating with the outer surface detection mechanical arm,

[0017] The inner surface detection mechanical arm has an outer surface detection displacement cooperating with the inner surface image acquisition detection part, and the outer surface detection mechanical arm has an inner surface detection displacement cooperating with the outer surface image acquisition detection part and a discharging displacement cooperating with the discharging line group.

[0018] The discharging line group comprises at least one qualified product discharging line and at least one NG discharging line.

[0019] Preferably, the battery shell position degree correction carrier comprises a carrier base body, a vertical plate provided on the carrier base body and having a horizontal support top wall surface,

[0020] A group of opposite side walls of the vertical plate are respectively provided with a plurality of correction guide wheels, and another group of opposite side walls are respectively provided with rocker wheel groups. A pivot shaft rocker arm is provided between the two rocker wheel groups and is pivoted on the vertical plate. The rocker wheel group comprises a yawing carrier provided on the free end of the pivot shaft rocker arm and having a free rotation degree. Three correction guide wheels are uniformly and circumferentially distributed on the yawing carrier.

[0021] Preferably, the linear correction belt comprises a pitch adjustment sliding rail. The bottom of the carrier base body is provided with an adjustment sliding seat for slidingly connecting with the pitch adjustment sliding rail. The carrier base body and the pitch adjustment sliding rail have a position degree limiting cooperation part for relative loosening or locking.

[0022] Preferably, the pitch adjustment sliding rail has a linear adjustment displacement in the same direction as the displacement direction of the transfer rack.

[0023] Preferably, the plurality of negative pressure pickup parts on the pickup carrier respectively have a relative interval adjustment displacement, and any negative pressure pickup part has a rotation adjustment displacement.

[0024] Preferably, the discharging positioning and turnover conveying device comprises an emergency discharging conveying belt provided on the side of the position degree correction mechanism away from the conveying supply line. The emergency discharging conveying belt is within the transfer stroke range of the transfer mechanical arm.

[0025] Preferably, the inner-outer detection group comprises a detection part carrier arranged between the inner surface detection mechanical arm and the corresponding outer surface detection mechanical arm, and a inner surface detection carrier with pivot swing adjustment displacement is arranged on one side of the detection part carrier towards the inner surface detection mechanical arm for carrying the inner surface image acquisition detection part, and a outer surface detection carrier with pivot swing adjustment displacement is arranged on one side of the detection part carrier towards the outer surface detection mechanical arm for carrying the outer surface image acquisition detection part.

[0026] Preferably, the unloading positioning and turnover conveying device comprises two parallel arranged conveying supply lines, and the position degree correction mechanism comprises two linear correction belts corresponding to the two conveying supply lines,

[0027] The pickup end of each negative pressure pickup part on the pickup carrier is arranged in two, and the pickup ends of the negative pressure pickup parts form two pickup lines, which are matched with the linear correction belts one by one.

[0028] The transfer line belt corresponding to the conveying supply line is arranged on the transfer rack, and at least two transfer negative pressure pickup parts are arranged on any transfer line belt.

[0029] Preferably, the inner surface detection mechanical arm is provided with an inner surface detection pickup frame, and two inner surface detection negative pressure pickup ends for matching the conveying supply lines are arranged on the inner surface detection pickup frame.

[0030] The outer surface detection mechanical arm is provided with an outer surface detection pickup frame, and the outer surface detection negative pressure pickup ends corresponding to the inner surface detection negative pressure pickup ends are arranged on the outer surface detection pickup frame.

[0031] The inner-outer detection group comprises two inner surface image acquisition detection parts matched with the inner surface detection negative pressure pickup ends and two outer surface image acquisition detection parts matched with the outer surface detection negative pressure pickup ends.

[0032] The beneficial effects of the present application mainly include:

[0033] 1. The battery shell can be cleaned, aligned, equidistant and corrected in position, which meets the feeding precision requirement of the appearance detection device, and makes the appearance detection operation more efficient and the detection more accurate.

[0034] 2. The mechanical arm is used for adjusting and cooperating the displacement of the outer surface and the inner surface, which reduces the image acquisition station setting on the traditional detection line, and greatly reduces the detection line stroke, so that the detection is very efficient.

[0035] 3. Meet the material buffer, multi-line material conveying coordination operation demand, can adapt to cooperate with high-speed cleaning line, the overall operation is smooth and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0036] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0037] Figure 1 Figure 1 is a schematic diagram of the overall structure of a battery shell turnover positioning appearance inspection equipment according to the present application.

[0038] Figure 2 Figure 2 is a schematic diagram of the structure of the unloading positioning turnover conveying device according to the present application.

[0039] Figure 3 Figure 3 is another perspective view of the structure of the unloading positioning turnover conveying device according to the present application.

[0040] Figure 4 Figure 4 is a schematic diagram of the structure of the automatic appearance inspection device according to the present application.

[0041] Figure 5 Figure 5 is another perspective view of the structure of the automatic appearance inspection device according to the present application.

[0042] Figure 6 Figure 6 is a schematic diagram of the structure of the battery shell position degree correction carrier according to the present application.

[0043] Figure 7 Figure 7 is a side view of the structure of the battery shell position degree correction carrier according to the present application.

[0044] Figure 8 Figure 8 is another side view of the structure of the battery shell position degree correction carrier according to the present application. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0046] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related application, and are not a limitation on the application. In addition, it should be noted that only parts related to the application are shown in the drawings for ease of description. It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict.

[0047] The application provides a turnover positioning appearance inspection device of a battery shell, the battery shell is a rectangular shell with an opening, and the turnover positioning appearance inspection device is arranged at a discharging end of a battery shell washing line.

[0048] As shown in Figures 1 to 8 , the turnover positioning appearance inspection device comprises a discharging positioning turnover conveying device 1 and an automatic appearance detection device 2.

[0049] As shown in Figures 1 to 3 , the discharging positioning turnover conveying device 1 comprises a position degree correction mechanism 3, at least one conveying supply line 4, a transfer mechanical arm 5 for transferring the battery shell at the discharging end of the battery shell washing line to the position degree correction mechanism 3, and a transfer mechanism 6 for transferring the battery shell on the position degree correction mechanism 3 to the conveying supply line.

[0050] The transfer mechanical arm 5 is provided with a pickup carrier 51, and the pickup carrier 51 is provided with a plurality of negative pressure pickup parts 52 distributed at linear intervals.

[0051] The position degree correction mechanism 3 comprises at least one linear correction belt 31, and the linear correction belt 31 is provided with a plurality of battery shell position degree correction seats 32 arranged at intervals.

[0052] The transfer mechanism 6 comprises a transfer row frame 61 capable of switching displacement between the linear correction belt and the conveying supply line, the transfer row frame 61 is provided with a transfer material frame 62 linearly displaced along the linear correction belt, and the transfer material frame 62 is provided with a transfer negative pressure pickup part 63.

[0053] The specific operation process of the discharging positioning turnover conveying device 1 is as follows:

[0054] There are generally a plurality of linearly and uniformly spaced battery shell support tables at the discharging end of the battery shell washing line, and the battery shell is open downwardly sleeved on the battery shell support table, and has a large degree of freedom, so that the position degree of the discharged battery shell has a large difference, and it is difficult to achieve accurate position degree discharging.

[0055] The unloading positioning and turnover conveying device 1 in the case can realize synchronous picking of several battery shells on the discharging end through the picking carrier 51. When picking, the negative pressure picking part 52 is brought into abutment with the top wall of the battery shell through crimping, and then negative pressure adsorption is performed. At this time, only the picking requirement needs to be met, and the position degree is not required.

[0056] After the transfer mechanical arm 5 picks up the battery shell, it is transferred to the position degree correction mechanism 3, so that the picking carrier 51 is relatively positioned with the linear correction belt 31. At this time, the battery shell is placed one by one on the battery shell position degree correction carrier 32, and the battery shell falls under its own weight, and the position degree correction and re-distant between each other are realized through the battery shell position degree correction carrier 3.

[0057] At this time, the transfer mechanism 6 realizes batch synchronous turnover of the battery shell through the transfer rack 62, so that the position degree accuracy of the battery shell transferred to the conveying and feeding line 4 is high, and the mutual equidistance accuracy is also high. Therefore, when the conveying and feeding line 4 supplies the automatic appearance detection device, the relative accuracy of detection picking can be met.

[0058] As shown in Figure 1 , Figure 4 and Figure 5 , the automatic appearance detection device 2 includes an unloading line group 7 for battery shell classification and unloading, and an inner and outer detection group 8 corresponding to the conveying and feeding line.

[0059] The inner and outer detection group 8 includes an inner surface detection mechanical arm 81 for adsorbing the top wall surface of the battery shell on the conveying and feeding line, an inner surface image acquisition detection part 82 cooperating with the inner surface detection mechanical arm, an outer surface detection mechanical arm 83 cooperating with the inner surface detection mechanical arm for adsorbing the inner cavity top wall of the battery shell, and an outer surface image acquisition detection part 84 cooperating with the outer surface detection mechanical arm. The inner surface detection mechanical arm has an outer surface detection displacement cooperating with the inner surface image acquisition detection part, and the outer surface detection mechanical arm has an inner surface detection displacement cooperating with the outer surface image acquisition detection part, and an unloading displacement cooperating with the unloading line group.

[0060] The unloading line group 7 includes at least one qualified product unloading line 71 and at least one NG unloading line 72.

[0061] When the automatic appearance detection device 2 in the case operates, the conveying and feeding line 4 conveys the battery shell with corrected position degree and guaranteed spacing to the inner and outer detection group 8 with matched position degree.

[0062] At this time, the inner surface detection mechanical arm 81 picks up the top wall of the battery shell on the conveying feeding line 4, and is transferred to a position opposite the inner surface image acquisition detection part 82. The relative movement of the inner surface detection mechanical arm 81 carrying the battery shell is realized through the immobility of the inner surface image acquisition detection part 82, so as to realize the detection of the five wall surfaces of the inner cavity of the battery shell.

[0063] When the detection of the inner cavity of the battery shell is completed, the battery shell is transferred between the inner surface detection mechanical arm 81 and the outer surface detection mechanical arm 83. At this time, the pickup end of the outer surface detection mechanical arm 83 penetrates into the inner cavity of the battery shell and adsorbs the top wall of the inner cavity. At this time, the inner surface detection mechanical arm 81 is released, and the outer surface detection mechanical arm 83 carries the battery shell to a position opposite the outer surface image acquisition detection part 84. At this time, the outer surface detection mechanical arm 83 performs relative detection displacement on the battery shell, so as to realize the detection of the outer peripheral wall and the top wall of the battery shell.

[0064] It should be noted that when the inner surface detection mechanical arm 81 detects that there is a defect in the inner cavity wall surface, the defective product is directly unloaded by the outer surface detection mechanical arm 83. When there is no defect in the inner surface, the outer surface detection of the outer surface image acquisition detection part 84 is performed, and the qualified or defective products are respectively unloaded.

[0065] The qualified products are placed on the qualified product unloading line 71 for conveying, and the defective products are placed on the NG unloading line 72 for conveying.

[0066] In a specific embodiment, as shown in Figures 6 to 8 The battery shell position degree correction carrier 32 includes a carrier base body 321 and a vertical plate 322 provided on the carrier base body and having a horizontal support top wall surface.

[0067] A group of opposite side walls of the vertical plate 322 are respectively provided with a plurality of correction guide wheels 323, and another group of opposite side walls are respectively provided with rocker wheel groups 324. A pivot shaft is provided between the two rocker wheel groups 324 and is pivotally connected to the vertical plate. The rocker wheel group includes a yaw carrier 3241 provided on the free end of the pivot shaft and having a free rotation degree. The yaw carrier is provided with three correction guide wheels 3242 uniformly and circularly distributed.

[0068] Specifically, when the battery shell falls on the battery shell position degree correction carrier 32 due to its own weight, the four walls of the inner cavity of the battery shell are respectively corrected in position by the correction guide wheels 323 and the rocker wheel groups 324.

[0069] The two side walls of the deviation correcting guide wheel 323 form a relative matching structure, which ensures the guiding accuracy requirement in the thickness direction of the battery shell, and the relative displacement of the guiding is relatively smooth. The other group of small narrow walls are deviated by the two rocker wheel groups 324. When the battery shell falls to adjust the position, the two rocker wheel groups 324 are connected by the pivot rocker arm 325, so that they are guided by the deviation correcting guide wheel 3242 when falling, thereby meeting the correction position accuracy requirement. At the same time, when the transfer mechanism 6 transfers the battery shell, the displacement of the battery shell position correction carrier 32 is also relatively smooth.

[0070] In one embodiment, as shown in Figures 1 to 3 The linear correction belt 31 includes a spacing adjustment sliding rail 311. The bottom of the carrier base 321 is provided with an adjustment seat for slidingly connecting to the spacing adjustment sliding rail. The carrier base and the spacing adjustment sliding rail are provided with a position limiting matching part 312 for relative release or locking.

[0071] Specifically, the spacing of the battery shell support table on the battery shell washing line has certain specification differences. Therefore, by adjusting the position of the carrier base 321 on the spacing adjustment sliding rail 311, flexible adaptation can be achieved.

[0072] In one embodiment, the spacing adjustment sliding rail has a linear adjustment displacement in the same direction as the displacement direction of the transfer rack.

[0073] That is, the relative position adjustment of the linear correction belt 31 between the conveying and feeding line 4 and the transfer robot arm 5 can be realized, and the transfer coordination distance adjustment requirement can be met.

[0074] In one embodiment, the plurality of negative pressure pickup parts on the pickup carrier 51 respectively have relative spacing adjustment displacements, and any negative pressure pickup part has a rotation adjustment displacement.

[0075] Specifically, the negative pressure pickup part has an automatic adjustment stroke on the pickup carrier 51, which meets the spacing requirement of the battery shell and meets the flexible and adaptive adaptation requirement.

[0076] In addition, it should be noted that the battery shell on the battery shell support table on the battery shell washing line has a rotation deviation, which is mainly caused by the required degrees of freedom in the cleaning process. The negative pressure pickup part can meet the rotation positioning requirement of the picked battery shell through the rotation displacement adjustment. The rotation adjustment is generally realized based on the position sensor of the negative pressure pickup part itself or the visual position sensor on the running path of the negative pressure pickup part, so that the deviation amount can be collected and converted into the rotation adjustment driving amount.

[0077] In one specific embodiment, the unloading positioning and turnover conveying device 1 comprises an emergency discharge conveying belt 9 arranged on the side of the position degree correction mechanism away from the conveying supply line, and the emergency discharge conveying belt is within the transfer stroke range of the transfer mechanical arm.

[0078] Specifically, in the case of emergency such as operation stagnation of the automatic appearance detection device 2 or the position degree correction mechanism 3, the battery shell can be unloaded through the emergency discharge conveying belt 9, and manual collection and classification processing is performed, so as to ensure the smooth operation of the cleaning line. When the rear-end fault is eliminated, the normal operation can be restored.

[0079] In one specific embodiment, as shown in FIGS. 5 and Figure 6 The inner and outer detection groups comprise a detection part carrier arranged between the inner surface detection mechanical arm and the corresponding outer surface detection mechanical arm, the side of the detection part carrier facing the inner surface detection mechanical arm is provided with an inner surface detection carrier capable of pivoting and adjusting the displacement of the inner surface image acquisition detection part, and the side of the detection part carrier facing the outer surface detection mechanical arm is provided with an outer surface detection carrier capable of pivoting and adjusting the displacement of the outer surface image acquisition detection part.

[0080] Specifically, the pivoting and adjusting displacement adjustment of the inner surface detection carrier and the outer surface detection carrier can meet the angle range adjustment cooperating with the mechanical arm, which is flexible and efficient.

[0081] In one specific embodiment, the unloading positioning and turnover conveying device comprises two conveying supply lines arranged in parallel, and the position degree correction mechanism comprises two linear correction belts corresponding to the two conveying supply lines.

[0082] Any negative pressure pickup part on the pickup carrier is respectively provided with two pickup ends arranged at intervals, and the pickup ends of the plurality of negative pressure pickup parts form two pickup line belts, and the pickup line belts correspond to the linear correction belts one by one.

[0083] The transfer rack is provided with two transfer line belts corresponding to the conveying supply lines one by one, and any transfer line belt is provided with at least two transfer negative pressure pickup parts.

[0084] Such design meets the double-line detection supply requirement, and the linear correction belt can provide a certain buffer to meet the efficient speed matching requirement with the cleaning line, and maintain reliable correction and product output.

[0085] In one specific embodiment, the inner surface detection mechanical arm is provided with an inner surface detection pickup rack, and the inner surface detection pickup rack is provided with two inner surface detection negative pressure pickup ends for cooperating with the conveying supply lines respectively,

[0086] The outer surface detection mechanical arm is provided with an outer surface detection picking frame, and the outer surface detection picking frame is provided with an outer surface detection negative pressure picking end corresponding to the inner surface detection negative pressure picking end one by one.

[0087] The inner and outer detection group includes two inner surface image acquisition detection parts corresponding to the inner surface detection negative pressure picking end one by one, and two outer surface image acquisition detection parts corresponding to the outer surface detection negative pressure picking end one by one.

[0088] In this way, the double-line detection high-efficiency cooperation demand is met, and the two are realized in a tidal manner. Meanwhile, the inner surface detection mechanical arm and the outer surface detection mechanical arm can realize the synchronous online detection of two battery shells, so that the detection is more efficient.

[0089] It can be found from the above description that the battery shell cleaning can realize the whole alignment equidistance and position degree correction, meet the appearance inspection device feeding precision demand, make the appearance inspection operation more efficient and the detection more accurate. The mechanical arm is used for the displacement adjustment and cooperation of the outer surface and the inner surface, reduces the traditional detection line image acquisition station setting, greatly reduces the detection line stroke, makes the detection very efficient. The material buffering, multi-line material conveying and coordinated operation demand are met, the high-speed cleaning line can be adapted, the overall operation is smooth and efficient.

[0090] The term "comprising" or any other similar word is intended to cover non-exclusive inclusion, so that the process, method, article or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to the process, method, article or equipment / device.

[0091] So far, the technical solutions of the present application have been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical solutions after the changes or replacements will fall within the protection scope of the present application.

Claims

1. A battery shell turnover positioning appearance inspection equipment, the battery shell is a rectangular shell with an open end, the turnover positioning appearance inspection equipment is arranged at the discharge end of a battery shell washing line, characterized in that: the turnover positioning appearance inspection equipment comprises a discharge positioning turnover conveying device and an automatic appearance detection device, the discharge positioning turnover conveying device comprises a position degree correction mechanism, at least one conveying supply line, a transfer mechanical arm for transferring the battery shell at the discharge end of the battery shell washing line to the position degree correction mechanism, and a transfer mechanism for transferring the battery shell at the position degree correction mechanism to the conveying supply line, the transfer mechanical arm is provided with a pickup carrier, and the pickup carrier is provided with a plurality of negative pressure pickup parts arranged at linear intervals, the position degree correction mechanism comprises at least one linear correction belt, and the linear correction belt is provided with a plurality of battery shell position degree correction seats arranged at intervals, the transfer mechanism comprises a transfer row frame capable of switching displacement between the linear correction belt and the conveying supply line, the transfer row frame is provided with a transfer rack capable of linearly moving along the linear correction belt, and the transfer rack is provided with a transfer negative pressure pickup part, the automatic appearance detection device comprises a discharge line group for classifying and discharging the battery shell, and an inner and outer detection group corresponding to the conveying supply line, the inner and outer detection group comprises an inner surface detection mechanical arm for adsorbing the top wall surface of the battery shell on the conveying supply line, an inner surface image acquisition detection part corresponding to the inner surface detection mechanical arm, an outer surface detection mechanical arm corresponding to the inner surface detection mechanical arm and adsorbing the inner cavity top wall of the battery shell, and an outer surface image acquisition detection part corresponding to the outer surface detection mechanical arm, the inner surface detection mechanical arm is provided with an outer surface detection displacement corresponding to the inner surface image acquisition detection part, the outer surface detection mechanical arm is provided with an inner surface detection displacement corresponding to the outer surface image acquisition detection part and a discharge displacement corresponding to the discharge line group, and the discharge line group comprises at least one qualified product discharge line and at least one NG discharge line.

2. The battery shell turnover positioning appearance inspection equipment according to claim 1, characterized in that: the battery shell position degree correction seat comprises a seat base body and a vertical plate provided on the seat base body and having a horizontal support top wall surface, a plurality of correction guide wheels are arranged on one set of opposite side walls of the vertical plate, respectively, another set of opposite side walls are respectively provided with a rocker wheel group, a pivot shaft is arranged on the vertical plate between the two rocker wheel groups, the rocker wheel group comprises a deflection carrier provided on the free end of the pivot shaft and having a free rotation degree, and three correction guide wheels are uniformly and circumferentially arranged on the deflection carrier.

3. The battery shell turnover positioning appearance inspection equipment according to claim 2, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The linear correction belt comprises a pitch adjustment slide rail, the bottom of the carrier base body is provided with an adjustment slide seat for slidingly connecting with the pitch adjustment slide rail, and the carrier base body and the pitch adjustment slide rail are provided with position degree limiting cooperation parts for relative loosening or locking.

4. The battery shell appearance inspection equipment according to claim 3, wherein: The pitch adjustment slide rail has a linear adjustment displacement in the same direction as the displacement direction of the transfer rack.

5. The battery shell appearance inspection equipment according to claim 3, wherein: The negative pressure pickup parts on the pickup carrier respectively have relative interval adjustment displacements, and any negative pressure pickup part has a rotary adjustment displacement.

6. The battery shell appearance inspection equipment according to claim 1, wherein: The unloading positioning and transfer conveying device comprises an emergency unloading conveying belt arranged on the side of the position degree correction mechanism away from the conveying supply line, and the emergency unloading conveying belt is within the transfer stroke range of the transfer mechanical arm.

7. The battery shell appearance inspection equipment according to claim 1, wherein: The inner and outer detection groups comprise a detection part carrier arranged between the inner surface detection mechanical arm and the corresponding outer surface detection mechanical arm, the side of the detection part carrier facing the inner surface detection mechanical arm is provided with an inner surface detection table for carrying the inner surface image acquisition detection part and having a pivot swing adjustment displacement, and the side of the detection part carrier facing the outer surface detection mechanical arm is provided with an outer surface detection table for carrying the outer surface image acquisition detection part and having a pivot swing adjustment displacement.

8. The battery shell appearance inspection equipment according to any one of claims 1-7, wherein: The unloading positioning and transfer conveying device comprises two parallel conveying supply lines, the position degree correction mechanism comprises two linear correction belts corresponding to the two conveying supply lines, Any negative pressure pickup part on the pickup carrier is respectively provided with two pickup ends arranged at intervals, the pickup ends of the negative pressure pickup parts form two pickup lines, the pickup lines correspond to the linear correction belts, The transfer rack is provided with two transfer lines corresponding to the conveying supply lines, and any transfer line is provided with at least two transfer negative pressure pickup parts.

9. The battery shell appearance inspection equipment according to claim 8, wherein: The inner surface detection mechanical arm is provided with an inner surface detection pickup carrier, and the inner surface detection pickup carrier is provided with two inner surface detection negative pressure pickup ends for respectively cooperating with the conveying supply lines, The outer surface detection mechanical arm is provided with an outer surface detection pickup carrier, and the outer surface detection pickup carrier is provided with outer surface detection negative pressure pickup ends corresponding to the inner surface detection negative pressure pickup ends, and The inner and outer detection groups comprise two inner surface image acquisition detection parts matched with the inner surface detection negative pressure pickup ends one by one, and two outer surface image acquisition detection parts matched with the outer surface detection negative pressure pickup ends one by one.

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