CN219928906U

CN219928906U - A draw tape device for quick type location of changing of electric core

Info

Publication number: CN219928906U
Application number: CN202320476249.4U
Authority: CN
Inventors: 寿春飞; 邵毓章; 曹骥; 曹政
Original assignee: Zhejiang Hangke Technology Co Ltd
Current assignee: Zhejiang Hangke Technology Co Ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-10-31
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a drawstring device for quick die change and positioning of an electric core, which comprises a sorting device, a first conveying device and a second conveying device; the sorting device comprises a bracket and a battery sorting manipulator, and the bracket is arranged beside the second conveying device; the battery sorting manipulator is arranged at the top of the bracket; the first conveying device comprises a first supporting frame and a first linear conveying line, the first linear conveying line is arranged at the top of the supporting frame, the output end of the first conveying line extends to the input front end of the second conveying device, and a third sensor is arranged on the first linear conveying line; the second conveying device comprises a second supporting frame and a plurality of sets of second linear conveying lines, the second linear conveying lines are arranged at the top of the second supporting frame side by side, the conveying directions of the second linear conveying lines and the first linear conveying lines are mutually perpendicular, and the input front ends of the second linear conveying lines are in butt joint with the output tail ends of the first linear conveying lines. The beneficial effects of the utility model are as follows: the batteries of different models can be clamped, carried and sorted.

Description

A draw tape device for quick type location of changing of electric core

Technical Field

The utility model relates to a drawstring device for quick die change and positioning of an electric core, and belongs to the field of lithium battery transportation.

Background

With the rapid development of the lithium battery industry, square lithium ion batteries are currently the preferred object of many digital and electrical product applications, and compared with cylindrical batteries, the square lithium ion batteries have stronger plasticity and can be customized according to the specific requirements of the carried products, which also causes the batteries to be different in size, whether the manufacturing process or the application standard, and have no clear standard division as the cylindrical batteries. In square lithium ion battery's production process, because customization production is generally universal, model tens of thousands on the market of this type of battery, processing technology and transportation equipment are difficult to carry out unified division, and different batteries need arrive different transportation lines and transport, and current transfer chain can only carry the battery of a model simultaneously usually, causes the efficiency reduction of different model batteries when carrying, and also confuse easily in the transportation, and the manipulator is in case the wrong sorting takes place, also can't detect the battery and place unreasonably when carrying to lead to the battery to lay unreasonably.

Disclosure of Invention

In order to solve the problems, the utility model provides the drawstring device for quick battery cell replacement and positioning, which not only can adapt to square batteries of different types and carry out transportation or assembly, but also can carry out proper detection and protection on the batteries in the process, thereby improving the practicality and safety performance of the equipment.

The technical scheme adopted for solving the technical problems is as follows: a draw tape device for quick type location of changing of electric core, its characterized in that: comprises a sorting device, a first conveying device and a second conveying device;

the sorting device comprises a bracket and a battery sorting manipulator, and the bracket is arranged beside the second conveying device; the battery sorting manipulator is arranged at the top of the bracket and is used for transferring the batteries on the first conveying device to the second conveying device;

the first conveying device comprises a first supporting frame and a first linear conveying line, the first linear conveying line is arranged at the top of the supporting frame, the output end of the first conveying line extends to the input front end of the second conveying device, and a third sensor is assembled on the first linear conveying line and used for detecting the conveying condition of batteries on the first linear conveying line;

the second conveying device comprises a second supporting frame and a plurality of sets of second linear conveying lines, the second linear conveying lines are arranged on the top of the second supporting frame side by side, the conveying directions of the second linear conveying lines and the first linear conveying lines are mutually perpendicular, the input front ends of the second linear conveying lines are in butt joint with the output tail ends of the first linear conveying lines, and the output rear ends of the second linear conveying lines are in butt joint with different conveying lines; and a fourth sensor is movably arranged on the second supporting frame and used for detecting the battery conveying condition on the second linear conveying line.

Further, the first linear conveying line comprises a first linear conveying frame, a first conveying belt and a first driving mechanism, wherein the first conveying belt is rotatably arranged on the first linear conveying frame, and the first conveying belt is divided into a plurality of battery conveying areas which are arranged side by side in the width direction through guide bars; each battery conveying area corresponds to a set of third sensors and is used for detecting the conveying condition of batteries in the corresponding battery conveying area; a side pushing mechanism is arranged on the long frame edge of the first linear conveying frame, and the pushing end of the side pushing mechanism stretches along the width direction of the first conveying belt; and a blocking block is arranged on the short frame edge of the output end part of the first linear conveying frame.

Further, the second linear conveying line comprises a second linear conveying frame, a second conveying belt and a second driving mechanism, wherein a drag chain frame is arranged at the input end part of the linear conveying frame, two ends of the drag chain frame are respectively fixed on the frame edges of the linear conveying frame which are oppositely arranged along the conveying direction, and a movable chain is movably arranged on the drag chain frame; the fourth sensor is arranged on the drag chain frame in a sliding way and is connected with the movable chain; the second conveying belt is arranged on the second linear conveying frame side by side and connected in a rotating manner for conveying the batteries; the second driving mechanism is arranged on the second linear conveying frame, and an output part of the second driving mechanism is connected with an input part of the second conveying belt and is used for driving the second conveying belt to move so as to convey the batteries.

Further, the second linear conveying line belongs to unidirectional transportation, the second linear conveying frame bottom is provided with the gyro wheel that is used for keeping second conveyer belt tensioning force, and the number and the position of gyro wheel set up according to second conveyer belt actual length, the interval is invariable between the gyro wheel.

Further, the battery sorting manipulator comprises a mechanical arm and a clamping jaw, wherein the mechanical arm is arranged at the top of the bracket; the clamping jaw comprises a mounting seat and a clamping part, and the mounting seat is mounted at the action end part of the mechanical arm; the clamping part is arranged at the bottom of the mounting seat and comprises a fixed plate, a clamping cylinder and a clamping block, and the fixed plate is arranged at the bottom of the mounting seat through a plurality of sets of buffer connection components; the clamping cylinder is arranged at the bottom of the fixed plate and is provided with a pair of clamping end parts which move oppositely or reversely, and the clamping end parts are matched with the clamping blocks; the clamping blocks on the two clamping end parts are opposite to each other to form a clamp for clamping the battery.

Further, the mechanical arm comprises a rotating base, an action arm and a driving device, wherein the rotating base is arranged at the top of the bracket and is provided with a rotating part capable of rotating around a vertical central axis; the driving device is arranged on the rotating base, and the power output end part of the driving device is connected with the rotating part of the rotating base and is used for driving the rotating part to rotate around the vertical central axis of the rotating base; the action arm is arranged on the rotating base, one end of the action arm is connected with the rotating part of the rotating base, and the other end of the action arm is provided with a clamping jaw.

Further, the clamping jaw further comprises a first detection mechanism, the first detection mechanism comprises a first sensor mounting frame and a first sensor, the first sensor mounting frame is arranged on the side face of the clamping block, and an arc-shaped groove is formed in the first sensor mounting frame; the first sensor is arranged on the arc-shaped groove.

Further, the arc groove is a 90-degree arc groove, and the first sensor is movably arranged on the arc groove and can rotate by 90 degrees, so that the battery is positioned and detected.

Further, the clamping block is made of insulating materials.

Further, the buffer connection assembly comprises a linear bearing, a guide rod and a spring, wherein the linear bearing is fixedly arranged in the fixed plate in a penetrating manner; the guide rod is slidably arranged in the linear bearing in a penetrating way, the upper end of the guide rod is connected with the mounting seat, and the lower end of the guide rod is connected with the anti-falling ring and is used for preventing the guide rod from falling out of the linear bearing; the spring sleeve is arranged outside the guide rod, the upper end of the spring sleeve is connected with the mounting seat, and the lower end of the spring sleeve is connected with the fixing plate.

Further, the buffer connection assembly further comprises a second detection mechanism for monitoring the clamping and conveying actions of the clamping jaw, the second detection mechanism comprises a second sensor mounting frame and a second sensor, the second sensor mounting frame is arranged on the side face of the fixing plate, and the top of the second sensor mounting frame is provided with an induction sheet; the second sensor is installed in the side of mount pad to interval about with the second sensor mounting bracket is relative, is equipped with on the second sensor and supplies the male detection seam of sensing piece, during the use, the sensing piece can reciprocate under the pulling of spring, and then can adjust the degree of depth of inserting the detection seam, makes the light that the second sensor launched change, thereby detects the model information of battery.

The beneficial effects of the utility model are as follows: 1. the batteries with different types can be clamped and carried through the sorting device, and the batteries can be carried to a designated position through the rotary mechanical arm, so that the type sorting is completed; 2. when different batteries are clamped and carried, the rationality of the batteries is monitored by using detection equipment, and the unreasonable placement of the batteries caused by wrong sorting is prevented.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the sorting apparatus in fig. 1.

Fig. 3 is an enlarged schematic view of the battery sorting robot of fig. 2.

Fig. 4 is a schematic view of the first conveying apparatus in fig. 1.

Fig. 5 is a schematic view of the second conveying apparatus in fig. 1.

Fig. 6 is a schematic structural view of the second linear conveyor line of fig. 5.

Description of the drawings: 100. a sorting device; 101. a bracket; 102. a battery sorting manipulator; 120. a mechanical arm; 121. a rotating base; 122. an action arm; 123. a driving device; 130. a clamping jaw; 131. a mounting base; 132. a clamping part; 1321. a fixing plate; 1322. a clamping cylinder; 1323. a clamping block; 140. a first detection mechanism; 141. a first sensor mount; 142. a first sensor; 1411. an arc-shaped groove; 150. a buffer connection assembly; 151. a linear bearing; 152. a guide rod; 153. a spring; 160. a second detection mechanism; 161. a second sensor mount; 162. a second sensor; 200. a first conveying device; 201. a first support frame; 202. a first linear conveyor line; 220. a battery transport zone; 221. a first linear transport frame; 222. a first conveyor belt; 223. a first driving mechanism; 224. a third sensor; 225. a side pushing mechanism; 226. a blocking piece; 300. a second conveying device; 301. a second support frame; 302. a second linear conveyor line; 303. a fourth sensor; 310. a second linear transport frame; 320. a second conveyor belt; 330. a second driving mechanism; 340. a roller; 311. a drag chain frame; 312. a movable chain; 400. and a battery.

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.

A drawstring device for quick battery core change positioning, which comprises a sorting device 100, a first conveying device 200 and a second conveying device 300;

the sorting device 100 is used as a mechanical unit core and comprises a bracket 101 and a battery sorting manipulator 102, wherein the bracket 101 is arranged beside the second conveying device 300; the battery sorting manipulator 102 is disposed on top of the bracket 101 and is used for transferring the battery 400 on the first conveying device 200 to the second conveying device 300;

the first conveying device 200 includes a first supporting frame 201 and a first linear conveying line 202, the first linear conveying line 202 is disposed at the top of the supporting frame 201, the output end of the first conveying line 202 extends to the input front end of the second conveying device 300, and a third sensor 224 is disposed on the first linear conveying line 202, for detecting whether the battery reaches a corresponding position and whether the battery specification is too large or too small, and the position of the third sensor 224 can be freely adjusted;

the second conveying device 300 includes a second supporting frame 301 and a plurality of sets of second linear conveying lines 302, the second linear conveying lines 302 are arranged on the top of the second supporting frame 301 side by side, the second linear conveying lines 302 are perpendicular to the first linear conveying lines 202, the input front ends of the second linear conveying lines 302 are butted with the output tail ends of the first linear conveying lines 202, and the output rear ends of the second linear conveying lines 302 are butted with different conveying lines; a fourth sensor 303 is movably disposed on the second supporting frame 301 for detecting the battery conveying condition on the second linear conveyor line 302.

In some embodiments of the present utility model, the first linear conveyor line 202 is configured to uniformly convey the batteries, and includes a first linear conveyor frame 221, a first conveyor belt 222, and a first driving mechanism 223, where the first conveyor belt 222 is rotatably disposed on the first linear conveyor frame 221, and the first conveyor belt 222 is divided into four battery conveying areas 220 disposed side by side in the width direction by a guide bar 227; each battery conveying area 220 corresponds to a set of third sensors 224, and is used for detecting the conveying condition of the batteries in the corresponding battery conveying area; a side pushing mechanism 225 is arranged on the long frame edge of the first linear conveying frame 221, and the pushing end of the side pushing mechanism 225 stretches along the width direction of the first conveying belt 222; the short frame edge of the output end of the first linear conveying frame 221 is provided with a blocking block 226, that is, the end of the first linear conveying frame 221 close to the second linear conveying line 302 is provided with the blocking block 226, which can cooperate with the side pushing mechanism 225 to transport and fix the batteries in a parallel and level manner.

In some embodiments of the present utility model, an adjusting leg is disposed at the bottom of the first supporting frame 201 to adjust the levelness of the first linear conveying line 202.

In some embodiments of the present utility model, the second linear conveyor line 302 includes a second linear conveyor frame 310, a second conveyor belt 320, and a second driving mechanism 330, where a drag chain frame 311 is disposed at an input end of the linear conveyor frame 310, two ends of the drag chain frame 311 are respectively fixed on opposite frame edges of the linear conveyor frame 310 along a conveying direction, and a movable chain 312 is movably disposed on the drag chain frame 311; the fourth sensor 303 is slidably disposed on the drag chain frame 311 and connected to the movable chain 312, and the fourth sensor 303 can move on the drag chain frame 311 under the pulling of the movable chain 312 to detect the conveying condition of the batteries on the second conveying belt 320; the second conveying belt 320 is disposed on the second linear conveying frame 310 in parallel, and is connected in a rotating manner, for conveying the battery; the second driving mechanism 330 is disposed on the second linear conveying frame 310, and an output portion thereof is connected to an input portion of the second conveying belt 320, for driving the second conveying belt 320 to move to convey the battery.

In some embodiments of the present utility model, the second linear conveyor line 302 belongs to unidirectional transportation, rollers 340 for maintaining the tension of the second conveyor belt 320 are disposed at the bottom of the second linear conveyor frame 310, the number and positions of the rollers 340 are set according to the actual length of the second conveyor belt 320, and the interval between the rollers 340 is constant.

In some embodiments of the present utility model, the length and width of the second conveyor belt 320 may be different, the second conveyor belt 320 is disposed on top of the second linear conveyor frame 310 side by side, and the conveying surfaces of the second conveyor belt 320 are located at the same horizontal level, so as to correspondingly transport batteries with different specifications and sizes. The second linear conveyor line 302 is an end conveyor line of the apparatus, and each second conveyor belt 320 is a different battery next process position, and is therefore divided into a plurality of conveyor lines with different specifications, and the position of the fourth sensor 303 at this position corresponds to camera monitoring, and by monitoring and checking the batteries on the different second conveyor belts 320 by means of the reciprocating movement of the movable chain 312, the battery specification placement errors are prevented.

In some embodiments of the present utility model, the bracket 101 is a steel pipe bracket, and is disposed at a central symmetrical position of the input front end of the second linear conveyor line 302, and can cover the second conveyor belt 320 of the second linear conveyor line 302; the clamping jaw 130 of the battery sorting manipulator 102 can be suspended right above the output rear end of the first linear conveying line 202 after crossing the second linear conveying line 302, and enough rotation distance is reserved to adjust the specific position on the second linear conveying line 302, so as to transfer the battery on the first linear conveying line 202 to the corresponding second conveying belt 320 of the second linear conveying line 302, thereby realizing sorting and transportation of the battery.

In some embodiments of the present utility model, the battery sorting robot 102 includes a robot arm 120 and a clamping jaw 130, where the robot arm 120 is mounted on top of the stand 101; the clamping jaw 130 comprises a mounting seat 131 and a clamping part 132, wherein the mounting seat 131 is rotatably mounted on the action end part of the mechanical arm 120; the clamping part 132 is installed at the bottom of the installation seat 131 and comprises a fixed plate 1321, a clamping cylinder 1322 and a clamping block 1323, wherein the fixed plate 1321 is installed at the bottom of the installation seat 131 through a plurality of sets of buffer connection assemblies 150; the clamping cylinder 1321 is disposed at the bottom of the fixed plate 1321, the clamping cylinder 1321 has a pair of clamping ends 1324 that move in opposite directions or move in opposite directions, and the clamping ends are fitted with clamping blocks 1323; the clamping blocks 1323 on the two clamping ends are opposite to each other to form a clamp for clamping the battery.

In some embodiments of the present utility model, the mechanical arm 120 includes a rotating base 121, an actuating arm 122 and a driving device 123, the rotating base 121 is mounted on the top of the stand 101, and the rotating base 121 has a rotating portion capable of rotating around a vertical central axis; the driving device 123 is disposed on the rotating base 121, and a power output end of the driving device 123 is connected to a rotating portion of the rotating base 121, so as to drive the rotating portion to rotate around a vertical central axis of the rotating base 121; the operation arm 122 is provided on the rotation base 121, one end of which is connected to the rotation portion of the rotation base 121, and the other end of which is provided with the jaw 130. The driving means 123 is not limited to pneumatic or electric driving.

In some embodiments of the present utility model, the rotation angle of the mechanical arm 120 is 180 ° to 360 °, and the clamping jaw 130 is mounted at the end of the mechanical arm 120, so as to transfer the battery on the first linear conveyor line 202 to the corresponding second conveyor belt 320 of the second linear conveyor line 302 disposed perpendicularly to each other.

In some embodiments of the present utility model, the clamping jaw 130 further includes a first detecting mechanism 140, where the first detecting mechanism 140 includes a first sensor mounting frame 141 and a first sensor 142, the first sensor mounting frame 141 is disposed on a side surface of the clamping block 1323, and an arc-shaped slot 1411 is disposed on the first sensor mounting frame 141; the first sensor is a laser ranging sensor and is mounted on the arc-shaped slot 1411.

In some embodiments of the present utility model, the arc-shaped slot 1411 is a 90 ° arc-shaped slot, and the first sensor 142 is movably mounted on the arc-shaped slot 1411 to realize a 90 ° rotation, thereby performing a positioning detection on the battery.

In some embodiments of the present utility model, the ray angle of the light source of the first sensor 142 varies based on the square lithium batteries with different lengths, the in-place condition of the batteries is measured and determined, and whether the same length is detected, if the length is too small, the detection cannot be performed, and a corresponding alarm unit is connected to remind the staff to replace the batteries.

In some embodiments of the present utility model, the clamping block 1323 is made of an insulating material, such as EPDM rubber, which can be used as a direct contact type insulating material in lithium battery production and transportation, and its excellent corrosion resistance and heat resistance can face various battery abnormalities.

In some embodiments of the present utility model, the buffer connection assemblies 150 are respectively disposed at four corners of the mounting base, and include a linear bearing 151, a guide rod 152 and a spring 153, where the linear bearing 151 is fixedly disposed in the fixing plate 1321; the guide rod 152 slidably penetrates through the linear bearing 151, and the upper end of the guide rod 152 is connected with the mounting seat 131, and the lower end is connected with the anti-drop ring 154 for preventing the guide rod 152 from dropping out of the linear bearing 151; the spring 153 is sleeved outside the guide rod 152, and the upper end of the spring is connected with the mounting seat 131, and the lower end of the spring is connected with the fixed plate 1321. The quality and test variation data between lithium batteries with the same specification degree are similar, the quality comparison before and after battery clamping is adopted in the design of the position to help staff to further judge the specification difference of the batteries, the increase of the weight of the batteries can cause the deformation of the springs, so that the installation position sensed by the sensor is lowered, and if the lowering height difference is too large or too small, the sensor can be detected to trigger an alarm to remind the staff to replace the batteries.

In some embodiments of the present utility model, the buffer connection assembly 150 further includes a second detecting mechanism 160 for monitoring the clamping and transporting actions of the clamping jaw, the second detecting mechanism 160 includes a second sensor mounting frame 161 and a second sensor 162, the second sensor mounting frame 161 is disposed on a side surface of the fixed plate 1321, and the top is provided with a sensing piece; the second sensor 162 is mounted on the side of the mounting base 131 and is opposite to the second sensor mounting rack 161 in vertical interval, the second sensor 162 is provided with a detection slot for the insertion of the sensing piece, and when in use, the sensing piece can move up and down under the pulling of the spring, and then the depth of the insertion detection slot can be adjusted, so that the light emitted by the second sensor 162 is changed, and the model information of the battery is detected.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A draw tape device for quick type location of changing of electric core, its characterized in that: comprises a sorting device (100), a first conveying device (200) and a second conveying device (300);

the sorting device (100) comprises a bracket (101) and a battery sorting manipulator (102), wherein the bracket (101) is arranged beside the second conveying device (300); the battery sorting manipulator (102) is arranged at the top of the bracket (101) and is used for transferring batteries on the first conveying device (200) to the second conveying device (300);

the first conveying device (200) comprises a first supporting frame (201) and a first linear conveying line (202), the first linear conveying line (202) is arranged at the top of the supporting frame (201), the output tail end of the first linear conveying line (202) extends to the input front end of the second conveying device (300), and a third sensor (224) is assembled on the first linear conveying line (202) and used for detecting the conveying condition of batteries on the first linear conveying line (202);

the second conveying device (300) comprises a second supporting frame (301) and a plurality of sets of second linear conveying lines (302), the second linear conveying lines (302) are arranged on the top of the second supporting frame (301) side by side, the input front end of each second linear conveying line (302) is in butt joint with the output tail end of each first linear conveying line (202), and the output rear ends of the second linear conveying lines (302) are in butt joint with different conveying lines; a fourth sensor (303) is movably arranged on the second supporting frame (301) and is used for detecting the battery conveying condition on the second linear conveying line (302).

2. A drawstring apparatus for quick change of cell positioning as defined in claim 1, wherein: the first linear conveying line (202) comprises a first linear conveying frame (221), a first conveying belt (222) and a first driving mechanism (223), wherein the first conveying belt (222) is rotatably arranged on the first linear conveying frame (221), and the first conveying belt (222) is divided into a plurality of battery conveying areas (220) which are arranged side by side in the width direction through guide bars; each battery conveying area (220) corresponds to a set of third sensors (224) for detecting the conveying condition of the batteries in the corresponding battery conveying area; a side pushing mechanism (225) is arranged on the long frame edge of the first linear conveying frame (221), and the pushing end of the side pushing mechanism (225) stretches along the width direction of the first conveying belt (222); a blocking block (226) is arranged on the short frame edge of the output end part of the first linear conveying frame (221).

3. A drawstring apparatus for quick change of cell positioning as claimed in claim 2, wherein: the second linear conveying line (302) comprises a second linear conveying frame (310), a second conveying belt (320) and a second driving mechanism (330), wherein a drag chain frame (311) is arranged at the input end part of the linear conveying frame (310), two ends of the drag chain frame (311) are respectively fixed on the frames of the linear conveying frame (310) which are oppositely arranged along the conveying direction, and a movable chain (312) is movably arranged on the drag chain frame (311); the fourth sensor (303) is arranged on the drag chain frame (311) in a sliding way and is connected with the movable chain (312); the second conveying belt (320) is arranged on the second linear conveying frame (310) side by side and connected in a rotating manner for conveying the batteries; the second driving mechanism (330) is arranged on the second linear conveying frame (310), and the output part of the second driving mechanism is connected with the input part of the second conveying belt (320) and is used for driving the second conveying belt (320) to move so as to convey the batteries.

4. A drawstring apparatus for quick change positioning of a battery cell as set forth in claim 3, wherein: the second linear conveying line (302) belongs to unidirectional transportation, and rollers (340) for maintaining the tensioning force of the second conveying belt (320) are arranged at the bottom of the second linear conveying frame (310).

5. A drawstring apparatus for quick change of cell positioning as defined in claim 1, wherein: the battery sorting manipulator (102) comprises a mechanical arm (120) and a clamping jaw (130), wherein the mechanical arm (120) is arranged at the top of the bracket (101); the clamping jaw (130) comprises a mounting seat (131) and a clamping part (132), and the mounting seat (131) is rotatably mounted at the action end part of the mechanical arm (120); the clamping part (132) is arranged at the bottom of the mounting seat (131) and comprises a fixed plate (1321), a clamping cylinder (1322) and a clamping block (1323), wherein the fixed plate (1321) is arranged at the bottom of the mounting seat (131) through a plurality of sets of buffer connection assemblies (150); the clamping cylinder (1322) is arranged at the bottom of the fixed plate (1321), the clamping cylinder (1322) is provided with a pair of clamping ends which move in opposite directions or in opposite directions, and the clamping ends are matched with the clamping blocks (1323); the clamping blocks (1323) on the two clamping end parts are opposite to each other to form a clamp for clamping the battery.

6. The drawstring apparatus for quick change of cell positioning of claim 5, wherein: the mechanical arm (120) comprises a rotating base (121), an action arm (122) and a driving device (123), wherein the rotating base (121) is arranged at the top of the bracket (101), and the rotating base (121) is provided with a rotating part capable of rotating around a vertical central axis; the driving device (123) is arranged on the rotating base (121), and the power output end part of the driving device (123) is connected with the rotating part of the rotating base (121) and is used for driving the rotating part to rotate around the vertical central axis of the rotating base (121); the action arm (122) is arranged on the rotating base (121), one end of the action arm is connected with the rotating part of the rotating base (121), and the other end of the action arm is provided with the clamping jaw (130).

7. The ribbon pulling device for quick change positioning of a battery cell as defined in claim 6, wherein: the clamping jaw (130) further comprises a first detection mechanism (140), the first detection mechanism (140) comprises a first sensor mounting frame (141) and a first sensor (142), the first sensor mounting frame (141) is arranged on the side face of the clamping block (1323), and an arc-shaped groove (1411) is formed in the first sensor mounting frame (141); the first sensor (142) is mounted on the arcuate slot (1411).

8. The ribbon pulling device for quick change positioning of a battery cell as defined in claim 7, wherein: the buffer connection assembly (150) comprises a linear bearing (151), a guide rod (152) and a spring (153), wherein the linear bearing (151) is fixedly arranged in the fixed plate (1321) in a penetrating manner; the guide rod (152) is slidably arranged in the linear bearing (151) in a penetrating manner, the upper end of the guide rod (152) is connected with the mounting seat (131), and the lower end of the guide rod is connected with the anti-falling ring, so that the guide rod (152) is prevented from falling out of the linear bearing (151); the spring (153) is sleeved outside the guide rod (152), the upper end of the spring is connected with the mounting seat (131), and the lower end of the spring is connected with the fixing plate (1321).

9. The ribbon pulling device for quick change positioning of a battery cell as defined in claim 8, wherein: the buffer connection assembly (150) further comprises a second detection mechanism (160) for monitoring the clamping and conveying actions of the clamping jaws, the second detection mechanism (160) comprises a second sensor mounting frame (161) and a second sensor (162), the second sensor mounting frame (161) is arranged on the side face of the fixed plate (1321), and the top of the second sensor mounting frame is provided with an induction piece; the second sensor (162) is arranged on the side surface of the mounting seat (131) and is opposite to the second sensor mounting frame (161) in an up-down interval, and a detection slot for inserting the sensing piece is formed in the second sensor (162).