CN216996514U - Tray conveying mechanism for bearing battery core - Google Patents

Abstract

The utility model provides a tray conveying mechanism for bearing an electric core, which comprises a conveying line, a positioning assembly and a stopping assembly, wherein the positioning assembly and the stopping assembly are arranged on the conveying line, the positioning assembly is used for positioning and matching with a tray, the stopping assembly is used for stopping the front side of the tray, the tray conveying mechanism also comprises a non-return assembly, the non-return assembly is arranged on the conveying line on one side, away from the stopping assembly, of the positioning assembly and is used for stopping the rear side of the tray, and the non-return assembly comprises a mounting seat, a non-return piece and a resetting device. According to the tray conveying mechanism, the stopping component, the non-return component and the positioning component are matched, so that the tray can be accurately positioned, and the integral positioning accuracy of the tray in place is effectively improved.

Description

Tray conveying mechanism for bearing battery core

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a tray conveying mechanism for bearing a battery cell.

Background

Electric core among the lithium ion power battery needs to use a large amount of trays to bear electric core when becoming test procedure, and the tray that bears electric core transports the dispatch through roller conveying system and accomplishes the technology production requirement, and the tray transports to the process equipment in-process at the roller transfer chain, need realize accurate location requirement to the tray, makes things convenient for the process equipment manipulator to get and puts the electric core of bearing on the tray, present common tray positioning method: the roller conveying line stopping mechanism and the positioning pin jacking mechanism are coordinated with the positioning requirement after the tray is in place; the positioning method has the defect of low positioning accuracy, after the tray is blocked by the stopping mechanism of the roller conveying line, the tray is influenced by the inertia of the stopping mechanism due to the impact of the tray, the tray rebounds, the positioning pin jacking mechanism deviates from the positioning hole at the bottom of the tray, the positioning of the tray is easy to lose efficacy, the tray is deviated by the jacking mechanism of the positioning pin, the manipulator is influenced to take and place the battery cell, and in the serious condition, the manipulator grabs the battery cell and places the tray, the battery cell and the tray are interfered, extruded and damaged, and the safety risk of ignition of the battery cell occurs.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a tray conveying mechanism for bearing a battery cell, so as to solve the problem that the positioning accuracy of the existing tray positioning is low.

The technical scheme of the utility model is realized as follows:

the utility model provides a tray conveying mechanism for bearing battery cores, which comprises a conveying line, a positioning assembly and a stopping assembly, wherein,

the conveying line is used for conveying a tray bearing the battery core;

the positioning assembly is arranged on the conveying line and used for positioning and matching with the tray;

the stopping component is arranged at the front end of the conveying direction of the conveying line and close to the positioning component and is used for stopping the front side of the tray,

the tray is characterized by also comprising a non-return assembly, the non-return assembly is arranged on a conveying line on which one side of the positioning assembly, which is far away from the stopping assembly, is used for blocking the rear side of the tray, the non-return assembly comprises a mounting seat, a non-return piece and a resetting device, wherein,

the top of the mounting seat is provided with a mounting groove extending along the front-back direction of the mounting seat, and the mounting groove is opposite to the conveying direction of the conveying line;

one end of the non-return piece is hinged with one end of the mounting groove, which is far away from the positioning assembly, the other end of the non-return piece extends upwards in an inclined mode to form a guide part, a blocking part is formed on the front end face of the guide part, the blocking part is used for limiting the rear side face of the tray, and the top end of the guide part is higher than the conveying line bearing surface in a non-external force state;

the resetting device is arranged between the guide part and the mounting groove and used for limiting the overturning of the check piece relative to the mounting groove.

On the basis of the technical scheme, preferably, through pin holes are formed in two side walls of one end, far away from the positioning assembly, of the mounting groove, a pin shaft hinged with the pin holes is arranged at one end of the non-return piece, and a limiting surface is arranged on the bottom surface in the mounting groove and used for limiting the angle of the non-return piece rotating around the axis of the pin shaft.

Further, it is preferred, the lower surface of non return spare is provided with contact surface and the inclined plane that extends in the slant, wherein, the contact surface is the plane setting, and the contact surface setting is in the bottom surface at the non return spare at round pin axle below place, and the contact surface laminates with spacing face mutually, and the inclined plane setting is in the below of block portion, and inclined plane and contact surface handing-over department are just to the round pin axle in vertical direction.

Furthermore, preferably, the resetting device comprises a barrel and an elastic part, the barrel is vertically and fixedly arranged on the inclined plane and is close to one end of the blocking part, the barrel is inserted into the mounting hole in the mounting groove, one end of the elastic part is fixed with the bottom surface of the mounting hole, and the other end of the elastic part abuts against the inner top surface of the barrel.

On the basis of the technical scheme, preferably, the conveying line comprises a conveying frame and conveying rollers, the conveying rollers are arranged at equal intervals along the length direction of the conveying frame, and the positioning assembly, the stop assembly and the non-return assembly are arranged on the conveying frame and are located below the conveying rollers.

Further, it is preferred, locating component is provided with two sets ofly on the carriage, locating component includes first mount, first cylinder and locating pin, first mount fixed mounting is on the carriage, and the stiff end fixed mounting of first cylinder is on first mount, and the flexible end and the vertical fixed connection of locating pin of first cylinder, locating pin are used for being connected with the locating hole of tray bottom.

Further, it is preferred, the stop assembly includes a second fixing frame, a second cylinder and a baffle, the second fixing frame is fixedly mounted on the conveying frame on the front side of the first fixing frame, the fixing end of the second cylinder is fixedly mounted on the second fixing frame, the telescopic end of the second cylinder vertically upwards is horizontally and fixedly connected with the baffle, and the baffle is used for limiting the front side surface of the tray.

Further, preferably, the non-return assembly further comprises a third fixing frame, the second fixing frame is fixedly installed on the conveying frame on the rear side of the first fixing frame, and the installation seat is fixedly installed in the middle of the third fixing frame.

Preferably, the conveying rollers on the conveying frames at the tops of the second fixing frame and the third fixing frame are all arranged in a vacant mode, and auxiliary rollers are arranged on two inner sides of the conveying frames corresponding to the second fixing frame and the third fixing frame.

Preferably, the conveying frame on which the two sides of the positioning assembly are arranged is provided with a sensing element.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the utility model discloses a tray conveying mechanism for bearing an electric core, which is characterized in that a positioning component and a stopping component are sequentially arranged at the front end in the conveying direction of a conveying frame, a non-return component is arranged at the rear end in the conveying direction of the conveying frame and close to the positioning component, when a tray is conveyed on a conveying line, a guide part is pressed downwards and smoothly passes through the non-return component, after the tray passes through the non-return component, the non-return component is reset under the action of a resetting device, so that a stopping part stops the tray from retreating, after the tray is accurately stopped on the conveying line, the front side of the tray can be stopped through the stopping component, the rear side of the tray can be stopped through the stopping part, the tray rebounding and retreating phenomenon is avoided, and then the positioning component is accurately butted with a positioning hole at the bottom of the tray, so that the integral positioning precision of the tray in place is effectively improved;

(2) the inclined plane and the contact surface cross joint of the bottom of the non-return part are positioned right in the vertical direction to the pin shaft, so that when the guide part is pressed, one end of the non-return part can rotate around the pin shaft, and meanwhile, when the non-return part resets, the contact surface can be abutted against the limiting surface on the bottom surface of the mounting groove, so that the turnover angle of the non-return part is limited, and the non-return part can be effectively blocked against the tray to prevent the tray from retreating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective structure diagram of a tray conveying mechanism for carrying battery cells disclosed by the utility model;

fig. 2 is a schematic plan structure diagram of a tray conveying mechanism for carrying battery cells disclosed by the utility model;

FIG. 3 is a schematic perspective view of a check assembly according to the present disclosure;

FIG. 4 is a schematic plan view of the check assembly of the present disclosure;

FIG. 5 is a schematic illustration of the construction of the disclosed mounting cup and check;

the attached drawings are as follows:

p, a tray; 1. a conveying line; 2. a positioning assembly; 3. a gear stop assembly; 4. a check assembly; 41. a mounting seat; 42. a check member; 43. a resetting device; 421. a guide section; 422. a blocking portion; 411. mounting grooves; 412. a pin hole; 423. a pin shaft; 4111. a limiting surface; 424. a contact surface; 425. an inclined surface; 431. a barrel; 432. an elastic member; 4112. mounting holes; 11. a carriage; 12. a conveying roller; 21. a first fixing frame; 22. a first cylinder; 23. positioning pins; 31. a second fixing frame; 32. a second cylinder; 33. a baffle plate; 44. a third fixing frame; 13. an auxiliary roller; 14. an inductive element.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, with reference to fig. 2 to 5, an embodiment of the present invention discloses a tray conveying mechanism for carrying battery cells, including a conveying line 1, a positioning assembly 2, and a stopping assembly 3.

Wherein, transfer chain 1 is used for the transmission to bear the tray P of electric core, and transfer chain 1 sets up to the roller transfer chain, specifically can drive the roller by outside actuating mechanism and rotate to make tray P transmit on transfer chain 1.

Locating component 2 sets up on transfer chain 1, be used for carrying out location coordination with tray P, before fixing a position tray P, because of tray P when transmitting on transfer chain 1, stop transfer chain 1 work back at preset position, tray P is because certain inertial force, can slide forward, stop in locating component 2 below that can not be fine, therefore, need keep off earlier tray P and stop, this embodiment has set up at the front end of transfer chain 1 direction of transmission and is close to locating component 2 and has kept off subassembly 3, transmit preset position at tray P, for example when needing the manipulator to snatch, it stops subassembly 3 and starts to keep off, implement to block tray P front side, thereby make tray P stop sliding, and make tray P fall on locating component 2, with locating component 2 cooperation location.

However, in the actual process, when keeping off and stopping subassembly 3 and implement to block tray P, tray P can produce and retreat owing to have certain slip potential energy, stops subassembly 3 back at the fender in the collision, and tray P can't be accurate stop directly over locating component 2 this moment, and this can lead to locating component 2 can't effectively fix a position with tray P, and then can't realize accurate location.

For this reason, the tray conveying mechanism who bears electric core that this embodiment disclosed still includes non return subassembly 4, and is specific, and non return subassembly 4 sets up and keeps away from at locating component 2 and stop transfer chain 1 at subassembly 3 one side place for implement to block tray P rear side.

Check assembly 4 includes a mounting block 41, a check 42, and a reset device 43.

Wherein, mount pad 41, fixed mounting is on transfer chain 1, and the mount pad 41 top has along its fore-and-aft direction extension's mounting groove 411 for install check piece 42, and mounting groove 411 is just to transfer chain 1 direction of transfer.

Check 42 is a strip-like arrangement, and check 42 is in clearance fit with mounting slot 411. One end of the check piece 42 is hinged to one end, far away from the positioning assembly 2, of the mounting groove 411, the other end of the check piece 42 extends upwards in an inclined mode to form a guide portion 421, a blocking portion 422 is formed on the front end face of the guide portion 421, the blocking portion 422 faces the positioning assembly 2, the blocking portion 422 is used for limiting the rear side face of the tray P, and the top end of the guide portion 421 is higher than the bearing face of the conveying line 1 in an external force-free state.

The restoring means 43 is provided between the guide portion 421 and the mounting groove 411 for restricting the inversion of the check member 42 with respect to the mounting groove 411.

Adopt above-mentioned technical scheme, when tray P transmits on transfer chain 1, push down guide portion 421, guide portion 421 overturns for mount pad 41, and imbed in mounting groove 411, tray P can pass through non return subassembly 4 smoothly this moment, after through non return subassembly 4, non return 42 receives the effect of resetting means 43 to reset, guide portion 421 exceeds the transfer chain 1 loading end this moment, can block tray P through stopper 422 and retreat, after tray P accurate off-position on transfer chain 1, can block tray P front side through keeping off subassembly 3, can block tray P rear side through stopper 422, avoid appearing tray P bounce-back and retreat the phenomenon, accurate butt joint of rethread locating component 2 and tray P bottom locating hole, thereby effectively improve the whole positioning accuracy after tray P targets in place.

In order to facilitate the inversion of the check member 42 in the mounting groove 411, referring to fig. 3-5, the embodiment adopts the following scheme: two side walls of one end, far away from the positioning component 2, of the mounting groove 411 are provided with through pin holes 412, one end of the check piece 42 is provided with a pin shaft 423 hinged with the pin holes 412, and the bottom surface in the mounting groove 411 is provided with a limiting surface 4111 for limiting the angle of the check piece 42 rotating around the axis of the pin shaft 423 in a reverse direction. From this setting, when non return piece 42 is pressed, non return piece 42 overturns around round pin 423, makes guide portion 421 to embedding in the mounting groove 411, when non return piece 42 does not have exogenic action, resetting means 43 can promote guide portion 421, and make non return piece 42 overturn in the opposite direction, and non return piece 42 hinged end supports the back with spacing face 4111 simultaneously, can restrict non return piece 42 and continue the upset, thereby restriction non return piece 42 rotation angle, guaranteed that non return piece 42 can effectually block tray P and prevent it from retreating.

In order to further enable the check member 42 to be capable of turning into the installation groove 411 and limit the turning angle thereof during resetting, the scheme adopted by the embodiment is as follows: the lower surface of the check piece 42 is provided with a contact surface 424 and an inclined surface 425 extending obliquely upwards, wherein the contact surface 424 is arranged in a plane, the contact surface 424 is arranged on the bottom surface of the check piece 42 below the pin 423, the contact surface 424 is attached to the limiting surface 4111, the inclined surface 425 is arranged below the blocking part 422, and the joint of the inclined surface 425 and the contact surface 424 is opposite to the pin 423 in the vertical direction. From this setting, can guarantee that guide portion 421 when the pressurized, the one end of non return piece 42 can rotate around round pin 423, and simultaneously, when non return piece 42 resets, contact surface 424 can support with the spacing face 4111 of mounting groove 411 bottom surface and hold to restriction non return piece 42 rotation angle has guaranteed that non return piece 42 can effectually block tray P and prevent it from retreating.

In order to enable the check member 42 to be reset, the resetting device 43 disclosed in this embodiment includes a cylinder 431 and an elastic member 432, the cylinder 431 is vertically and fixedly disposed on the inclined surface 425 and is close to one end of the blocking portion 422, the mounting groove 411 is provided therein for the cylinder 431 to be inserted into the mounting hole 4112, one end of the elastic member 432 is fixed to the bottom surface of the mounting hole 4112, and the other end of the elastic member 432 abuts against the inner top surface of the cylinder 431. From this setting, in the initial state, elastic component 432 is because self elastic deformation, support the barrel 431, and then make the spacing face 4111 laminating of contact surface 424 and the mounting groove 411 bottom surface of non return piece 42, when tray P slided to non return piece 42, guide 421 compressed, guide 421 compresses elastic component 432 through barrel 431, barrel 431 inserts in mounting hole 4112 simultaneously, can make non return piece 42 upset embed in mounting groove 411, after tray P passed through non return piece 42, elastic component 432 extends, support non return piece 42, make non return piece 42 overturn in the opposite direction, and can support with spacing face 4111 through contact surface 424, prescribe a limit to the upset angle of non return piece 42, make blocking portion 422 can implement to block tray P from this. In the present embodiment, the elastic member 432 is preferably a spring.

As some preferred embodiments, referring to fig. 1 and 2, the conveyor line 1 includes a conveying frame 11 and conveying rollers 12, the conveying rollers 12 are arranged at equal intervals along the length direction of the conveying frame 11, and the positioning assembly 2, the stopping assembly 3 and the non-return assembly 4 are all mounted on the conveying frame 11 and are all located below the conveying rollers 12. The conveyor rolls 12 may be driven in rotation on the carriage 11 by driving means, which are known in the art.

In this embodiment, the positioning assembly 2 is provided with two sets on the conveying frame 11, so that the tray P can be accurately and effectively positioned. The positioning assembly 2 comprises a first fixing frame 21, a first air cylinder 22 and a positioning pin 23, the first fixing frame 21 is fixedly installed on the conveying frame 11, a fixed end of the first air cylinder 22 is fixedly installed on the first fixing frame 21, a telescopic end of the first air cylinder 22 is vertically and fixedly connected with the positioning pin 23, and the positioning pin 23 is used for being connected with a positioning hole in the bottom of the tray P. The positioning pin 23 can be driven to vertically upwards connect the positioning hole at the bottom of the tray P by extending the first air cylinder 22, so that the fine positioning effect on the tray P is achieved.

In this embodiment, the stop assembly 3 includes a second fixing frame 31, a second cylinder 32 and a baffle 33, the second fixing frame 31 is fixedly mounted on the conveying frame 11 at the front side of the first fixing frame 21, the fixing end of the second cylinder 32 is fixedly mounted on the second fixing frame 31, the telescopic end of the second cylinder 32 is vertically upward and horizontally and fixedly connected with the baffle 33, and the baffle 33 is used for limiting the front side surface of the tray P. When the tray P is transferred to a predetermined position, for example, when the robot is required to grasp, the stopping assembly 3 is started, specifically, the telescopic end of the second cylinder 32 extends vertically upward to drive the baffle 33 to be higher than the top surface of the conveying roller 12, so as to stop the front side surface of the tray P.

In order to facilitate installation of the check assembly 4, the check assembly 4 further includes a third fixing frame 44, the second fixing frame 31 is fixedly installed on the conveying frame 11 at the rear side of the first fixing frame 21, and the installation base 41 is fixedly installed in the middle of the third fixing frame 44. Therefore, the middle part of the rear side of the tray P can be blocked by the check assembly 4, and the tray P is prevented from retreating.

Because the baffle 33 in the stopping assembly 3 needs to stretch out of the top of the conveying roller 12, the backstop 42 of the backstop assembly 4 also needs to stretch out of the top of the conveying roller 12, in order to avoid the interference of the baffle 33 and the backstop 42 by the conveying roller 12 on the conveying frame 11, the scheme adopted by the embodiment is as follows: the conveying rollers 12 on the conveying frame 11 at the tops of the second fixing frame 31 and the third fixing frame 44 are both arranged in a vacant way, and the auxiliary rollers 13 are arranged on two inner sides of the conveying frame 11 corresponding to the second fixing frame 31 and the third fixing frame 44. Therefore, when the tray P is transported to the position, the tray P can be transported by the auxiliary rollers 13 on both sides of the conveying frame 11, and the conveying rollers 12 can be conducted in an auxiliary manner.

The conveying frame 11 at two sides of the positioning component 2 is provided with a sensing element 14, and the sensing element 14 is a proximity switch or a photoelectric sensor. From this setting, can detect whether there is tray P through this position through sensing element 14, when sensing element 14 detected the signal, feed back the PLC system, the PLC system carries out to keep off and stops subassembly 3 and start, then restarts locating component 2, above-mentioned signal feedback mechanism belongs to prior art.

The working principle of the utility model is as follows:

when tray P transmits on transfer chain 1, push down guide portion 421, guide portion 421 overturns for mount pad 41, and imbed in mounting groove 411, tray P can pass through non return subassembly 4 smoothly this moment, after passing through non return subassembly 4, non return 42 receives the effect of resetting means 43 to reset, guide portion 421 exceeds 1 loading end of transfer chain this moment, can block tray P through stop 422 and retreat, after accurate off-position on transfer chain 1 of tray P, can block tray P front side through keeping off stop subassembly 3, can block tray P rear side through stop 422, avoid appearing tray P bounce-back and retreat the phenomenon, accurate butt joint of rethread locating component 2 and tray P bottom locating hole, thereby effectively improve the whole positioning accuracy after tray P targets in place.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A tray conveying mechanism for bearing battery cores comprises a conveying line (1), a positioning assembly (2) and a stopping assembly (3), wherein,

the conveying line (1) is used for conveying a tray (P) carrying the battery core;

the positioning assembly (2) is arranged on the conveying line (1) and is used for positioning and matching with the tray (P);

the stopping component (3) is arranged at the front end of the transmission direction of the transmission line (1) and close to the positioning component (2) and is used for stopping the front side of the tray (P),

the method is characterized in that: the tray is characterized by further comprising a check assembly (4), wherein the check assembly (4) is arranged on the conveying line (1) on one side, far away from the blocking and stopping assembly (3), of the positioning assembly (2) and used for blocking the rear side of the tray (P), the check assembly (4) comprises a mounting seat (41), a check piece (42) and a resetting device (43), wherein,

the top of the mounting seat (41) is provided with a mounting groove (411) extending along the front-back direction of the mounting seat, and the mounting groove (411) is opposite to the transmission direction of the conveying line (1);

one end of the check piece (42) is hinged with one end, far away from the positioning assembly (2), of the mounting groove (411), the other end of the check piece (42) extends upwards in an inclined mode to form a guide part (421), a blocking part (422) is formed on the front end face of the guide part (421), the blocking part (422) is used for limiting the rear side face of the tray (P), and the top end of the guide part (421) is higher than the bearing face of the conveying line (1) in the state of no external force;

the resetting device (43) is arranged between the guide part (421) and the mounting groove (411) and used for limiting the overturning of the check piece (42) relative to the mounting groove (411).

2. The tray conveying mechanism for carrying battery cells of claim 1, wherein: one end both sides wall that locating component (2) were kept away from in mounting groove (411) is provided with pinhole (412) that link up, the one end of non return spare (42) is provided with round pin axle (423) of being connected with pinhole (412) hinge, the bottom surface has spacing face (4111) in mounting groove (411), is used for the restriction non return spare (42) wind the angle of the axle center reversal of round pin axle (423).

3. The tray conveying mechanism for carrying battery cells of claim 2, wherein: the lower surface of the check piece (42) is provided with a contact surface (424) and an inclined surface (425) extending obliquely upwards, wherein the contact surface (424) is arranged in a plane mode, the contact surface (424) is arranged on the bottom surface of the check piece (42) below the pin shaft (423), the contact surface (424) is attached to the limiting surface (4111), the inclined surface (425) is arranged below the blocking portion (422), and the joint of the inclined surface (425) and the contact surface (424) is opposite to the pin shaft (423) in the vertical direction.

4. The tray conveying mechanism for carrying battery cells of claim 3, wherein: the resetting device (43) comprises a cylinder body (431) and an elastic piece (432), the cylinder body (431) is vertically and fixedly arranged on the inclined surface (425) and is close to one end of the blocking portion (422), the mounting groove (411) is internally provided with a mounting hole (4112) for the cylinder body (431) to be inserted into, one end of the elastic piece (432) is fixed with the bottom surface of the mounting hole (4112), and the other end of the elastic piece (432) abuts against the inner top surface of the cylinder body (431).

5. The tray conveying mechanism for carrying battery cells of claim 1, wherein: the conveying line (1) comprises a conveying frame (11) and conveying rollers (12), the conveying rollers (12) are arranged at equal intervals along the length direction of the conveying frame (11), and the positioning assembly (2), the stop assembly (3) and the non-return assembly (4) are all installed on the conveying frame (11) and are located below the conveying rollers (12).

6. The tray conveying mechanism for carrying battery cells of claim 5, wherein: locating component (2) are provided with two sets ofly on carriage (11), locating component (2) include first mount (21), first cylinder (22) and locating pin (23), first mount (21) fixed mounting is on carriage (11), and the stiff end fixed mounting of first cylinder (22) is on first mount (21), and the flexible end and the vertical fixed connection of locating pin (23) of first cylinder (22), locating pin (23) are used for being connected with the locating hole of tray (P) bottom.

7. The tray conveying mechanism for carrying battery cells of claim 5, wherein: keep off and stop subassembly (3) including second mount (31), second cylinder (32) and baffle (33), second mount (31) fixed mounting is on carriage (11) of first mount (21) front side, and the stiff end fixed mounting of second cylinder (32) is on second mount (31), the flexible end of second cylinder (32) vertical upwards and with baffle (33) horizontal fixed connection, baffle (33) are used for spacing tray (P) leading flank.

8. The tray conveying mechanism for carrying battery cells of claim 7, wherein: the non-return assembly (4) further comprises a third fixing frame (44), the second fixing frame (31) is fixedly installed on the conveying frame (11) on the rear side of the first fixing frame (21), and the installation seat (41) is fixedly installed in the middle of the third fixing frame (44).

9. The tray conveying mechanism for carrying battery cells of claim 7, wherein: conveying rollers (12) on the conveying frames (11) at the tops of the second fixing frame (31) and the third fixing frame (44) are arranged in a vacant mode, and auxiliary rollers (13) are arranged on the two inner sides of the conveying frames (11) corresponding to the second fixing frame (31) and the third fixing frame (44).

10. The tray conveying mechanism for carrying battery cells of claim 5, wherein: and induction elements (14) are arranged on the conveying frames (11) on two sides of the positioning assembly (2).

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