A sorting mechanism for cylindrical cells

Abstract

The application discloses a kind of sorting mechanism of cylindrical battery, including annular conveying chain, blanking conveying chain, material distribution subassembly, first positioning assembly and second positioning assembly, a plurality of fixtures are provided on annular conveying chain, and the side of annular conveying chain is provided with first connecting position and second connecting position, the side close to annular conveying chain of blanking conveying chain is provided with third connecting position and fourth connecting position, the end of annular conveying chain and blanking conveying chain is connected with material distribution subassembly, first positioning assembly and second positioning assembly are further provided on annular conveying chain and blanking conveying chain;By setting material distribution subassembly, the fixture with battery can be separated to blanking conveying chain, and the fixture without battery moves along annular conveying chain in circulation, so that battery is sequentially arranged, to avoid the situation of empty material, then cooperate with mechanical hand to pick up and place on the conveying chain of assembly equipment, so that the assembly efficiency of battery can be improved and the failure of assembly equipment caused by empty material can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery cell sorting, in particular to a sorting mechanism for cylindrical battery cells. BACKGROUND

[0002] With the continuous expansion of the demand for lithium batteries, the terminal application market has increasingly high quality requirements for lithium batteries. The consistency requirements for lithium batteries (especially power batteries) are becoming increasingly stringent in the current terminal application market. From the perspective of the lithium battery industry standards that have been issued, requirements for the consistency and safety of battery cells have also been proposed.

[0003] When the battery cell is assembled, the battery cell is placed on the conveying chain by the mechanical hand, and then sequentially fed into the assembly equipment for processing. The battery cell is generally placed on the jig during the conveying process to avoid scratching the battery cell. However, when the mechanical hand is feeding, there will be empty jigs in the jigs arranged neatly on the conveying chain. When the empty jigs enter the assembly equipment along with the conveying chain, it will result in low assembly efficiency and cause the assembly equipment to malfunction.

[0004] In view of this, the prior art still needs to be improved and developed. SUMMARY

[0005] In view of the deficiencies of the prior art described above, the purpose of the present application is to provide a sorting mechanism for cylindrical battery cells, which aims to solve the problem of empty jigs in the jigs after the mechanical hand feeds, which not only leads to low assembly efficiency, but also causes the assembly equipment to malfunction.

[0006] The technical solution adopted by the present application to solve the technical problems is as follows:

[0007] A sorting mechanism for cylindrical battery cells, comprising:

[0008] An annular conveying chain is provided with a plurality of jigs for holding battery cells. One side of the annular conveying chain is provided with a first connecting position and a second connecting position;

[0009] A discharging conveying chain is arranged on one side of the annular conveying chain. The side of the discharging conveying chain close to the annular conveying chain is provided with a third connecting position and a fourth connecting position. The third connecting position is in communication with the first connecting position, and the fourth connecting position is in communication with the second connecting position;

[0010] A material distribution assembly is arranged at the end where the annular conveying chain and the discharging conveying chain are connected, so as to distribute the jigs carrying the battery cells to the discharging conveying chain, and move the jigs without carrying the battery cells along the annular conveying chain in a circulating manner;

[0011] A first positioning assembly is arranged on the ring-shaped conveying chain and used for positioning the jig;

[0012] A second positioning assembly is arranged on the discharging conveying chain and used for positioning the battery cell after the battery cell is separated.

[0013] Further, the separating assembly comprises:

[0014] A first baffle is arranged on the ring-shaped conveying chain; the width of the first baffle gradually increases along the rotation direction of the ring-shaped conveying chain;

[0015] A second baffle is arranged on the discharging conveying chain; the width of the second baffle gradually decreases along the rotation direction of the ring-shaped conveying chain; the two sides of the first baffle and the second baffle facing each other are arranged at intervals to form a guide channel; one end of the guide channel is open on the ring-shaped conveying chain, and the other end is open on the discharging conveying chain;

[0016] The first baffle and the second baffle are located at the top of the jig, and the upper surfaces of the first baffle and the second baffle are lower than the upper surface of the battery cell.

[0017] Further, the two sides of the first baffle and the second baffle facing each other are arc surfaces to form an arc-shaped guide channel.

[0018] Further, a guide wheel is rotatably arranged on the arc surface of the first baffle and the second baffle.

[0019] Further, the sorting mechanism of the cylindrical battery cell further comprises:

[0020] A first ring-shaped guide strip is arranged inside the ring-shaped conveying chain;

[0021] A second ring-shaped guide strip is arranged on the ring-shaped conveying chain; one side of the second ring-shaped guide strip close to the discharging conveying chain is provided with a connecting port;

[0022] An arc-shaped guide strip is arranged at the connecting port of the second ring-shaped guide strip; the arc-shaped guide strip cooperates with the second ring-shaped guide strip to form an arc-shaped guide edge at the first connecting position and the third connecting position and the second connecting position and the fourth connecting position, and is used for guiding the jig.

[0023] Further, a third baffle is arranged between the ring-shaped conveying chain and the discharging conveying chain.

[0024] Further, the first positioning assembly comprises:

[0025] A first blocking cylinder is arranged on the inner side of the ring-shaped conveying chain; a tapered block is arranged on the extending end of the first blocking cylinder;

[0026] The first positioning cylinder is arranged on the inner side of the annular conveying chain, and the extending end of the first positioning cylinder is provided with a first positioning block.

[0027] The second blocking cylinder is arranged on the inner side of the annular conveying chain, and the extending end of the second blocking cylinder is provided with a tapered block.

[0028] Further, the first positioning assembly further comprises:

[0029] The second positioning cylinder is arranged on the inner side of the annular conveying chain, and the extending end of the second positioning cylinder is provided with a second positioning block.

[0030] The third blocking cylinder is arranged on the inner side of the annular conveying chain, and the extending end of the third blocking cylinder is provided with a tapered block.

[0031] Further, the second positioning assembly comprises:

[0032] The fourth blocking cylinder is arranged on one side of the blank conveying chain, and the extending end of the fourth blocking cylinder is provided with a tapered block.

[0033] The third positioning cylinder is arranged on one side of the blank conveying chain, and the extending end of the third positioning cylinder is provided with a third positioning block.

[0034] The fifth blocking cylinder is arranged on one side of the blank conveying chain, and the extending end of the fifth blocking cylinder is provided with a tapered block.

[0035] Further, the inner side of the annular conveying chain is provided with a sixth blocking cylinder, and the extending end of the sixth blocking cylinder is provided with a tapered block.

[0036] Compared with the prior art, the beneficial effects of the present application are:

[0037] In the application, a plurality of jigs are arranged on the annular conveying chain, and a first connecting position and a second connecting position are arranged on one side of the annular conveying chain. One side of the annular conveying chain provided with the first connecting position is provided with a blanking conveying chain. The side close to the annular conveying chain of the blanking conveying chain is provided with a third connecting position and a fourth connecting position. The third connecting position is connected with the first connecting position, and the fourth connecting position is connected with the second connecting position. In this way, the jigs can move on the annular conveying chain and the blanking conveying chain. The end of the annular conveying chain connected with the blanking conveying chain is provided with a material distribution assembly. The annular conveying chain and the blanking conveying chain are also provided with a first positioning assembly and a second positioning assembly, so as to facilitate the positioning of the jigs and facilitate the feeding and discharging. By arranging the annular conveying chain and the blanking conveying chain and arranging the material distribution assembly between the two, the jigs with the battery cells can be separated to the blanking conveying chain, and the jigs without the battery cells move along the annular conveying chain in a circulating manner, so that the battery cells are arranged in sequence, and the empty material condition is avoided. Then, the mechanical hand is combined to grasp and place on the conveying chain of the assembly equipment, so as to improve the assembly efficiency of the battery cells and avoid the fault of the assembly equipment caused by the empty material. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is a schematic diagram of the overall structure of the application.

[0039] Figure 2 It is an enlarged schematic diagram of A in the application. Figure 1

[0040] Figure 3 It is a schematic diagram of the structure of the first annular guide strip and the second annular guide strip of the application.

[0041] Figure 4 It is a schematic diagram of the structure of the first positioning assembly of the application.

[0042] Figure 5 It is a schematic diagram of the structure of the second positioning assembly of the application.

[0043] The figure number mark represents: 1, annular conveying chain; 11, first connecting position; 12, second connecting position; 13, first annular guide strip; 14, second annular guide strip; 15, sixth stop position air cylinder; 2, jig; 3, battery cell; 4, blanking conveying chain; 41, third connecting position; 42, fourth connecting position; 43, arc-shaped guide strip; 5, material distribution assembly; 51, first baffle; 52, second baffle; 6, first positioning assembly; 61, first stop position air cylinder; 62, first positioning air cylinder; 63, first positioning block; 64, second stop position air cylinder; 65, second positioning air cylinder; 66, second positioning block; 67, third stop position air cylinder; 7, second positioning assembly; 71, fourth stop position air cylinder; 72, third positioning air cylinder; 73, third positioning block; 74, fifth stop position air cylinder; 8, third baffle; 9, conical block. DETAILED DESCRIPTION ​

[0044] In order to make the objects, technical solutions and effects of the present application clearer, more explicit, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0045] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0046] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In the prior art, the assembly device is generally arranged on the conveying chain, the mechanical hand grabs the battery cell 3 in the feeding tray to the conveying chain, and transports it to the assembly device for assembly, and the battery cell 3 is generally placed on the jig 2 during the conveying process to avoid scratching the battery cell 3. However, there is generally an empty material in the feeding tray, that is, there is no battery cell 3 placed in the placing groove in the feeding tray, and then the mechanical hand grabs the battery cell 3 and places it on the jig 2 of the conveying chain, and the jig 2 with empty material enters the assembly device, which not only leads to low assembly efficiency, but also causes failure of the assembly device. Generally, for the jig 2 with empty material on the conveying chain, a replenishment mechanical hand can also be added to replenish the jig 2 with empty material, but this way not only needs to increase the mechanical hand, but also needs to increase the detection equipment and the replenishment station, etc., thereby increasing the assembly cost. Moreover, the number of battery cells 3 for replenishment is limited, which needs to be replenished at any time, and also increases the labor cost.

[0048] In view of the deficiencies of the prior art, the embodiment provides a sorting mechanism for cylindrical battery cells, and specifically refers to the following.

[0049] As shown in the accompanying Figure 1 and the accompanying Figure 2 , a sorting mechanism for cylindrical battery cells includes an annular conveying chain 1, a blanking conveying chain 4, a separating assembly 5, a first positioning assembly 6, and a second positioning assembly 7. A plurality of jigs 2 are arranged on the annular conveying chain 1, and the plurality of jigs 2 move in a circulating manner under the action of the annular conveying chain 1. The jigs 2 are used to hold battery cells 3. One side of the annular conveying chain 1 is provided with a first connecting position 11 and a second connecting position 12. The first connecting position 11 and the second connecting position 12 are located on the same side, and the direction from the first connecting position 11 to the second connecting position 12 is the rotating direction of the annular conveying chain 1. The blanking conveying chain 4 is arranged on the side of the annular conveying chain 1 where the first connecting position 11 is located. The side of the blanking conveying chain 4 close to the annular conveying chain 1 is provided with a third connecting position 41 and a fourth connecting position 42. The first connecting position 11 is connected with the third connecting position 41, and the second connecting position 12 is connected with the fourth connecting position 42, so that the jigs 2 can move on the annular conveying chain 1 and the blanking conveying chain 4, thereby facilitating the separation of the battery cells 3. The separating assembly 5 is arranged at the position where the first connecting position 11 of the annular conveying chain 1 and the third connecting position 41 of the blanking conveying chain 4 are connected. The jigs 2 carrying the battery cells 3 can be separated to the blanking conveying chain 4 by the separating assembly, thereby facilitating the blanking, while the jigs 2 without the battery cells 3 remain on the annular conveying chain 1 for recycling.

[0050] By arranging the annular conveying chain 1 and the blanking conveying chain 4 and arranging the separating assembly 5 between the two, the jigs 2 with the battery cells 3 can be separated to the blanking conveying chain 4, while the jigs 2 without the battery cells 3 move in a circulating manner along the annular conveying chain 1, so that the battery cells 3 are arranged in sequence, avoiding the occurrence of empty materials. Then, the mechanical hand is combined to grab and place on the conveying chain of the assembly device, thereby improving the assembly efficiency of the battery cells 3 and avoiding the assembly device from malfunctioning due to empty materials. Moreover, compared with the way of increasing a replenishing mechanical hand to replenish in the prior art, the structure of the present application is simple and low in cost, and does not need to arrange a detection station and a detection device, and does not need manual back-and-forth replenishment.

[0051] Specifically, the upper mechanical hand is arranged on the side of the ring-shaped conveying chain 1 away from the discharging conveying chain 4, and the lower mechanical hand is arranged on the side of the discharging conveying chain 4 away from the ring-shaped conveying chain 1. The upper mechanical hand is used to place the battery cell 3 in the feeding tray into the jig 2 on the ring-shaped conveying chain 1, and then the plurality of jigs 2 pass through the material separating assembly 5, and the jig 2 carrying the battery cell 3 is separated to the discharging conveying chain 4, and then the lower mechanical hand grabs the battery cells 3 arranged in order and moves to the conveying chain of the assembly device, so that the empty material on the feeding to the conveying chain of the assembly device can be avoided. In the present application, a sorting mechanism is arranged before the mechanical hand feeds, so that the jig 2 carrying the battery cell 3 can be arranged in order. When the lower mechanical hand feeds to the conveying chain of the assembly device, the grabbing position in the lower mechanical hand can grab the battery cell 3, so that the empty material on the lower mechanical hand can be avoided, the assembly efficiency of the battery cell 3 is effectively improved, and the failure of the assembly device caused by the empty material is avoided.

[0052] In the present embodiment, the upper mechanical hand and the lower mechanical hand are prior art and are not shown in the figure; and the feeding tray is prior art, which is used for transferring the battery cell 3 and is internally provided with a placing groove in which the battery cell 3 is arranged. The placing groove in the feeding tray can have empty material.

[0053] In the present embodiment, the jig 2 is in a cylindrical shape, and the top of the jig 2 is provided with a containing groove, and the battery cell 3 is also in a cylindrical shape and is arranged in the containing groove and moves with the jig 2.

[0054] As shown in the accompanying drawings, Figure 1 The sorting mechanism of the cylindrical battery cell further includes a first positioning assembly 6 and a second positioning assembly 7. The first positioning assembly 6 is arranged on the ring-shaped conveying chain 1 and is used to position the jig 2, so as to facilitate the upper mechanical hand to place the battery cell 3 in the feeding tray on the jig 2 of the ring-shaped conveying chain 1. The second positioning assembly 7 is arranged on the discharging conveying chain 4 and is used to position the battery cell 3 after separation, so as to facilitate the lower mechanical hand to take away the battery cell 3 arranged in order and place it on the conveying chain of the assembly device.

[0055] The right side of the ring-shaped conveying chain 1 is the feeding position, the left side of the ring-shaped conveying chain 1 is the separating position, the left side of the ring-shaped conveying chain 1 is connected with the discharging conveying chain 4, and the first positioning assembly 6 is arranged on the right side of the ring-shaped conveying chain 1 and is used to position the jig 2 at the feeding position of the ring-shaped conveying chain 1, so as to facilitate the upper mechanical hand to feed. The second positioning assembly 7 is arranged on the side of the discharging conveying chain 4 away from the ring-shaped conveying chain 1 and is used to position the jig 2 carrying the battery cell 3 after separation, that is, to position the battery cell 3, so as to facilitate the lower mechanical hand to take material.

[0056] In an embodiment of the present application, as shown in the accompanying drawings, Figure 2As shown, the material distribution assembly 5 comprises a first baffle 51 and a second baffle 52, the first baffle 51 is arranged on the annular conveying chain 1, and the width of the first baffle 51 gradually increases along the rotation direction of the annular conveying chain 1, so as to provide a guiding effect for the battery cell 3, the second baffle 52 is arranged on the discharging conveying chain 4, and the first baffle 51 and the second baffle 52 are oppositely arranged, and the width of the second baffle 52 gradually decreases along the rotation direction of the annular conveying chain 1, so as to correspond to the shape of the first baffle 51; the two sides of the first baffle 51 and the second baffle 52 facing each other are arranged at intervals, and the two sides of the first baffle 51 and the second baffle 52 facing each other are both inclined, so as to form a guiding channel therebetween, one end of the guiding channel is open on the annular conveying chain 1, and the other end is open on the discharging conveying chain 4; by arranging the two openings of the guiding channel on the two conveying chains respectively, under the action of the annular conveying chain 1, the jig 2 carrying the battery cell 3 will enter the guiding channel and be guided to the discharging conveying chain 4, and the jig 2 without carrying the battery cell 3 will continue to move in circulation under the action of the annular conveying belt.

[0057] In the embodiment, the first baffle 51 and the second baffle 52 are located at the top of the jig 2, that is, the jig 2 does not contact the first baffle 51 and the second baffle 52; the upper surfaces of the first baffle 51 and the second baffle 52 are lower than the upper surface of the battery cell 3, when the annular conveying chain 1 drives the jig 2 carrying the battery cell 3 to move to the position of the material distribution assembly 5, the battery cell 3 passes through one end of the guiding channel, and under the action of the guiding channel, the battery cell 3 drives the jig 2 to change the moving direction, and under the continuous action of the annular conveying chain 1 and the discharging conveying chain 4, the battery cell 3 moves to the other end of the guiding channel and moves to the discharging conveying chain 4, and then moves to the position of the second positioning assembly 7 and is positioned by the second positioning assembly 7; at the same time, the jig 2 without carrying the battery cell 3 is located at the bottom of the first baffle 51 and the second baffle 52, and will continue to move in circulation under the action of the annular conveying chain 1, and will not change the moving direction.

[0058] By arranging the first baffle 51 and the second baffle 52 between the upper surface of the jig 2 and the upper surface of the battery cell 3, and arranging the guiding channel between the first baffle 51 and the second baffle 52, the jig 2 carrying the battery cell 3 can be guided and the moving direction can be changed, so as to play a role in distributing materials, and the material distribution structure of the present application is not only simple, but also does not need manual control and care, and can automatically distribute materials.

[0059] In the embodiment, the two sides of the first baffle 51 and the second baffle 52 are arc surfaces, and the two arc surfaces are symmetrical to each other, so as to ensure that the distances in the guide channels are the same. The arc surfaces near the openings of the guide channels close to the annular conveying chain 1 have smaller curvature, and the arc surfaces near the openings of the guide channels close to the discharging conveying chain 4 have larger curvature. Therefore, the battery cell 3 and the jig 2 can be first guided to the discharging conveying chain 4 by the change of the smaller curvature, and then the battery cell 3 and the jig 2 can be completely moved to the discharging conveying chain 4 by the change of the larger curvature, so as to facilitate the discharging conveying chain 4 to move the jig 2 carrying the battery cell 3 to the position of the second positioning assembly 7.

[0060] In the embodiment, the guide wheels are arranged on the arc surfaces of the first baffle 51 and the second baffle 52. In the process of distributing the battery cells 3, in order to avoid the friction between the outer surface of the battery cell 3 and the arc surfaces of the first baffle 51 and the second baffle 52, the guide wheels are arranged on the arc surfaces of the first baffle 51 and the second baffle 52 on the side facing each other. The guide wheels protrude from the arc surfaces. After the guide wheels are arranged, the distances between the guide channels can be adjusted to meet the requirement that the battery cell 3 can pass through. By arranging the guide wheels, the outer surface of the battery cell 3 can be in point contact with the guide wheels, so as to reduce the friction between the outer surface of the battery cell 3 and the inside of the guide channels.

[0061] Further, the outer surface of the guide wheel is provided with a rubber film, which can effectively avoid the friction damage or scratch of the outer surface of the battery cell 3.

[0062] As shown in the drawings, as shown in the drawings, Figure 3As shown, the sorting mechanism of the cylindrical battery cell further comprises a first annular guide strip 13, a second annular guide strip 14 and an arc-shaped guide strip 43; the annular conveying chain 1 and the discharging conveying chain 4 are both prior art, the annular conveying chain 1 comprises an inner ring and an outer ring, the annular conveying chain 1 rotates around the two rotating discs, and the two rotating discs are located inside the inner ring of the annular conveying chain 1, the first annular guide strip 13 is located at the edge of the inner ring of the annular conveying chain 1, which provides a guiding effect for the jig 2 and also avoids the jig 2 from separating from the surface of the chain plate of the annular conveying chain 1; the outer ring edge of the annular conveying chain 1 is provided with the second annular guide strip 14, the second annular guide strip 14 cooperates with the first annular guide strip 13, so that the jig 2 moves between them; the side of the second annular guide strip 14 close to the discharging conveying chain 4 is provided with a connecting port, that is, one opening is cut on one side of the second annular guide strip 14; the connecting port of the second annular guide strip 14 is provided with the arc-shaped guide strip 43, the two ends of the arc-shaped guide strip 43 are connected with the two ends of the connecting port of the second annular guide strip 14 respectively, so that the second annular guide strip 14 cooperates with the arc-shaped guide strip 43 to form a closed annular guide strip; and one side of the arc-shaped guide strip 43 is located at the edge of the discharging conveying chain 4, that is, the arc-shaped guide strip 43 wraps the discharging conveying chain 4, and the two ends of the arc-shaped guide strip 43 are arc-shaped, so as to facilitate guiding the jig 2 to enter the discharging conveying chain 4, or facilitating guiding the jig 2 after the battery cell 3 is grabbed by the lower mechanical hand to enter the annular conveying chain 1.

[0063] Specifically, the battery cell 3 in the feeding tray is placed into the jig 2 through the cooperation of the first positioning assembly 6 and the upper mechanical hand, the jig 2 moves to the position of the distributing assembly 5 under the action of the annular conveying chain 1, the distributing assembly 5 distributes the jig 2 carrying the battery cell 3 to the discharging conveying chain 4, and at the position of the distributing assembly 5, the arc-shaped guide strip 43 is arc-shaped, which also facilitates guiding the jig 2 to enter the discharging conveying chain 4; after the jig 2 carrying the battery cell 3 enters the discharging conveying chain 4, the jig 2 is positioned through the second positioning assembly 7, the lower mechanical hand grabs the battery cell 3, the jig 2 after the battery cell 3 is grabbed moves to the arc-shaped position of the arc-shaped guide strip 43 along with the discharging conveying chain 4, and under the action of the arc-shaped guide strip 43, the jig 2 moves to the annular conveying chain 1 to continue to carry the battery cell 3 for sorting.

[0064] Further, the upper surfaces of the second annular guide strip 14 and the first annular guide strip 13 are lower than the upper surface of the jig 2, so as to facilitate guiding and limiting the jig 2.

[0065] In the embodiment, the third baffle 8 is arranged between the annular conveying chain 1 and the discharging conveying chain 4, the two ends of the third baffle 8 are arranged at intervals with the arc-shaped guide strip 43, so as to leave an opening for the jig 2 to enter and move out between the third baffle 8 and the arc-shaped guide strip 43; meanwhile, the third baffle 8 also avoids the empty jig 2 or the jig 2 carrying the battery cell 3 from flowing into each other.

[0066] In the embodiment, as shown in the attachedFigure 4 As shown, the first positioning assembly 6 includes a first blocking cylinder 61, a first positioning cylinder 62, and a second blocking cylinder 64. The first blocking cylinder 61 is arranged on the inner side of the annular conveying chain 1 and located at the inner ring position of the annular conveying chain 1. The first blocking cylinder 61 is provided with a tapered block 9 at the extending end. By starting the first blocking cylinder 61, the tapered block 9 can extend to the chain plate of the annular conveying chain 1 and be used to block the movement of the jig 2. The inner side of the annular conveying chain 1 is also provided with the first positioning cylinder 62, which is located at the inner ring position of the annular conveying chain 1. The extending end of the first positioning cylinder 62 is provided with a first positioning block 63. The side of the first positioning block 63 away from the first positioning cylinder 62 is provided with an arc-shaped positioning groove. The arc-shaped positioning groove cooperates with the outer surface of the jig 2. By the arc-shaped positioning groove, multiple jigs 2 can be positioned synchronously to ensure the spacing between adjacent jigs 2 and meet the requirements of the upper mechanical arm feeding. The inner ring position of the annular conveying chain 1 is also provided with the second blocking cylinder 64, which is located on the side of the first positioning block 63 away from the first blocking cylinder 61. The extending end of the second blocking cylinder 64 is also provided with a tapered block 9, which is used to block the jig 2 on the side of the first positioning block 63 to avoid interference between the jig 2 behind and the jig 2 cooperating with the first positioning block 63.

[0067] In the embodiment, the first positioning assembly 6 further includes a second positioning cylinder 65 and a third blocking cylinder 67. The second positioning cylinder 65 is arranged on the inner side of the annular conveying chain 1 and located on the side of the second blocking cylinder 64 away from the first positioning cylinder 62. The extending end of the second positioning cylinder 65 is provided with a second positioning block 66. The side of the second positioning block 66 away from the second positioning cylinder 65 is provided with an arc-shaped positioning groove, which is used to position the jig 2. The inner ring position of the annular conveying chain 1 is also provided with the third blocking cylinder 67, which is located on the side of the second positioning block 66 away from the second blocking cylinder 64. The extending end of the third blocking cylinder 67 is provided with a tapered block 9.

[0068] The first blocking cylinder 61, the second blocking cylinder 64, the third blocking cylinder 67, the first positioning cylinder 62, and the second blocking cylinder 64 are located on the same side. After the extending ends extend, they are all located on the chain plate of the annular conveying chain 1. The first positioning cylinder 62 and the second positioning cylinder 65 can be started according to requirements. Specifically, the first positioning block 63 and the second positioning block 66 have the same structure. The side of the first positioning block 63 and the second positioning block 66 is provided with eight arc-shaped positioning grooves, which are used to fix the jig 2. Generally, the upper mechanical arm will feed fourteen battery cells 3 at the same time. At this time, the first positioning cylinder 62 and the second positioning cylinder 65 need to be started synchronously, and the first blocking cylinder 61 and the third blocking cylinder 67 are started at the same time. When eight battery cells 3 need to be fed, only the first blocking cylinder 61, the first positioning cylinder 62, and the second blocking cylinder 64 need to be started.

[0069] One embodiment of this application is shown in the appendix. Figure 5 As shown, the second positioning component 7 includes a fourth-position cylinder 71, a third-position cylinder 72, and a fifth-position cylinder 74. The fourth-position cylinder 71, the third-position cylinder 72, and the fifth-position cylinder 74 are all located on the side of the unloading conveyor chain 4 away from the annular conveyor chain 1, and are arranged sequentially along the rotation direction of the unloading conveyor chain 4. The extended ends of the fourth-position cylinder 71 and the fifth-position cylinder 74 are each provided with a conical block 9, and the two are located on both sides of the third-position cylinder 72. The extended end of the third-position cylinder 72 is provided with a third-positioning block 73. The side of the third-positioning block 73 away from the third-positioning cylinder 72 is provided with an arc-shaped positioning groove, which can be arranged according to the gripping position of the lower robotic arm.

[0070] One embodiment of this application is shown in the appendix. Figure 4 As shown, a sixth-position cylinder 15 is provided on the inner side of the annular conveyor chain 1. A conical block 9 is provided on the extended end of the sixth-position cylinder 15. The sixth-position cylinder 15 is located in the inner circle of the annular conveyor chain 1 and is close to the side of the unloading conveyor chain 4. That is, the sixth-position cylinder 15 and the first-position cylinder 61 are located on both sides of the inner circle of the annular conveyor chain 1. After the extended end of the sixth-position cylinder 15 extends out, it is located on the chain plate of the annular conveyor chain 1 close to the unloading conveyor chain 4, and is used to block the empty fixture 2 after material separation. Through the sixth-position cylinder 15, the empty fixture 2 after material separation and the fixture 2 on the unloading conveyor chain 4 that takes away the battery cell 3 can move sequentially on the annular conveyor chain 1.

[0071] Specifically, in the initial state, the sixth gear cylinder 15 is in a retracted state. The empty fixture 2 after material separation moves back to the loading position of the circular conveyor chain 1 under the action of the circular conveyor chain 1. After the robot arm grabs the battery cell 3, the fifth gear cylinder 74 is released, allowing the fixture 2 to move. At the same time, the sixth gear cylinder 15 is activated, which can first move multiple empty fixtures 2 on the unloading conveyor chain 4 to the circular conveyor chain 1. Then, the sixth gear cylinder 15 retracts, causing the empty fixtures 2 after material separation to move cyclically, so as to avoid the fixture 2 from being blocked at the second connecting position 12 of the circular conveyor chain 1 and the fourth connecting position 42 of the unloading conveyor chain 4.

[0072] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the solutions disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the invention are indicated by the claims.

Claims

1. A sorting mechanism for cylindrical battery cells, characterized in that, include: Circular conveyor chain; The annular conveyor chain is equipped with multiple fixtures for holding the discharge cores; The annular conveyor chain is provided with a first connection position and a second connection position on one side; A feeding conveyor chain is disposed on one side of the annular conveyor chain; a third connecting position and a fourth connecting position are disposed on the side of the feeding conveyor chain near the annular conveyor chain, the third connecting position is connected to the first connecting position, and the fourth connecting position is connected to the second connecting position; The material distribution component is located at one end of the annular conveyor chain and the unloading conveyor chain to distribute the jigs carrying the battery cells onto the unloading conveyor chain, and to circulate the jigs not carrying the battery cells along the annular conveyor chain. A first positioning component is disposed on the annular conveyor chain and is used to position the fixture; The second positioning component is disposed on the feeding conveyor chain and is used to position the battery cells after they have been sorted. The first annular guide bar is disposed inside the annular conveyor chain; The second annular guide bar is disposed outside the annular conveyor chain; The second annular guide bar has a connection port on the side near the feeding conveyor chain; An arc-shaped guide strip is disposed at the connection port of the second annular guide strip; the arc-shaped guide strip cooperates with the second annular guide strip to form an arc-shaped guide edge at the first connection position and the third connection position, and the second connection position and the fourth connection position, for guiding the fixture; The material dispensing component includes: A first baffle is disposed at the upper end of the annular conveyor chain; the width of the first baffle gradually increases along the rotation direction of the annular conveyor chain. A second baffle is disposed at the upper end of the feeding conveyor chain; the width of the second baffle gradually decreases along the rotation direction of the annular conveyor chain; the first baffle and the second baffle are arranged at intervals on opposite sides to form a guide channel; one end of the guide channel is located on the annular conveyor chain, and the other end is located on the feeding conveyor chain. The first baffle and the second baffle are located at the top of the fixture, and the upper surfaces of the first baffle and the second baffle are lower than the upper surface of the battery cell; The first positioning component includes: The first gear cylinder is located inside the annular conveyor chain; the extended end of the first gear cylinder is provided with a conical block; A first positioning cylinder is disposed on the inner side of the annular conveyor chain; a first positioning block is disposed on the extended end of the first positioning cylinder, and an arc-shaped positioning groove is disposed on the side of the first positioning block away from the first positioning cylinder. The second gear cylinder is located inside the annular conveyor chain; the second gear cylinder is located on one side of the first positioning block, and the extended end of the second gear cylinder is provided with a conical block.

2. The cylindrical battery cell sorting mechanism according to claim 1, characterized in that, Both sides of the first baffle and the second baffle are arc-shaped surfaces to form an arc-shaped guide channel.

3. The cylindrical battery cell sorting mechanism according to claim 2, characterized in that, Guide wheels are rotatably mounted on the arc-shaped surfaces of the first baffle and the second baffle.

4. The cylindrical battery cell sorting mechanism according to claim 1, characterized in that, A third baffle is provided between the annular conveyor chain and the unloading conveyor chain.

5. The cylindrical battery cell sorting mechanism according to claim 1, characterized in that, The first positioning component further includes: The second positioning cylinder is located inside the annular conveyor chain; the extended end of the second positioning cylinder is provided with a second positioning block, and the side of the second positioning block away from the second positioning cylinder is provided with an arc-shaped positioning groove. The third gear cylinder is located inside the annular conveyor chain; the third gear cylinder is located on one side of the second positioning block, and the extended end of the third gear cylinder is provided with a conical block.

6. The cylindrical battery cell sorting mechanism according to claim 1, characterized in that, The second positioning component includes: A fourth-position cylinder is located on one side of the feeding conveyor chain; a conical block is provided at the extended end of the fourth-position cylinder. The third positioning cylinder is located on one side of the feeding conveyor chain; the extended end of the third positioning cylinder is provided with a third positioning block, and the side of the third positioning block away from the third positioning cylinder is provided with an arc-shaped positioning groove. The fifth gear cylinder is located on one side of the feeding conveyor chain; the fifth gear cylinder is located on one side of the third positioning block, and the extended end of the fifth gear cylinder is provided with a conical block.

7. The cylindrical battery cell sorting mechanism according to claim 1, characterized in that, A sixth-position cylinder is provided on the inner side of the annular conveyor chain, and a conical block is provided on the extended end of the sixth-position cylinder.

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