CN219683310U - Multi-cell efficient screening device - Google Patents

Abstract

The utility model discloses a multi-cell efficient screening device, which comprises: the battery cell conveying assembly is connected with the battery cell limiting assembly and the battery cell jacking assembly respectively, the battery cell conveying assembly is used for conveying battery cell groups, the battery cell limiting assembly is used for limiting the battery cell groups in the battery cell conveying assembly, and the battery cell jacking assembly is used for jacking the battery cell groups away from the battery cell conveying assembly. According to the multi-cell efficient screening device, the cell group which is continuously placed in the cell position is obtained, so that the mechanical clamping jaw of the next operation station can grasp the cell group better. Therefore, through supplementing the empty battery cell position, the automatic pairing and position supplementing of the empty battery cell position is realized, the battery cells in the battery cell position are continuously placed, the process is automatically carried out, the efficiency is high, and the production efficiency of the whole wire is greatly improved.

Description

Multi-cell efficient screening device

Technical Field

The utility model relates to the technical field of battery cell conveying, in particular to a multi-battery cell efficient screening device.

Background

With the progress of scientific technology, the production and manufacturing technology of the battery cell has reached a higher automation level. And particularly, the battery cells are conveyed on the conveyor belt, the multiple battery cells can be conveyed together through the tray module, meanwhile, NG battery cells in the tray module can be removed and screened by using the mechanical clamping jaw, the NG battery cells are prevented from flowing into the next operation station, and the automatic and high-efficiency production and manufacture of the battery cells are realized.

However, when a NG cell exists in a certain group of cells, the traditional method for removing and screening the NG cell is to take out the NG cell in the tray module through the mechanical clamping jaw, and the empty cell position of the tray module is complemented after the mechanical clamping jaw is removed, so that the cells of the tray module are concentrated in a region, the mechanical clamping jaw of the next station is convenient to grasp, and the process is time-consuming, tedious and low in efficiency, and is unfavorable for the production efficiency of the whole line.

Disclosure of Invention

Based on this, it is necessary to provide a multi-cell efficient screening device aiming at the technical problem of how to realize automatic pairing and bit compensation of the vacant cell bit.

This high-efficient sieving mechanism of many electric cores, this high-efficient sieving mechanism of many electric cores includes: the battery cell conveying assembly is connected with the battery cell limiting assembly and the battery cell jacking assembly respectively, the battery cell conveying assembly is used for conveying a battery cell group, the battery cell limiting assembly is used for limiting the battery cell group in the battery cell conveying assembly, and the battery cell jacking assembly is used for jacking the battery cell group away from the battery cell conveying assembly;

the battery cell conveying assembly comprises a conveying frame, a conveying motor and conveying belt assembling pieces, wherein the conveying motor is arranged at the front end of the conveying frame, one conveying belt assembling piece is respectively arranged at two sides of the conveying frame, and the conveying motor is respectively in driving connection with the two conveying belt assembling pieces;

the battery cell limiting assembly comprises limiting cylinders, limiting pieces and sensors, wherein a plurality of limiting cylinders are respectively arranged on two sides of the conveying frame, one limiting piece is connected to the output end of each limiting cylinder, a battery cell position is formed between the two corresponding limiting pieces on two sides of the conveying frame, the two limiting pieces are jointly used for being in contact with a battery cell placed at the battery cell position so as to limit the battery cell to the battery cell position, one sensor is arranged beside each limiting cylinder, and the sensors are used for sensing whether the battery cell exists in the battery cell position corresponding to the limiting cylinder;

the battery cell jacking assembly comprises a cylinder mounting plate, jacking cylinders and a battery cell supporting plate, wherein the cylinder mounting plate is fixedly arranged below the conveying frame, a plurality of jacking cylinders are fixedly arranged on the cylinder mounting plate, each jacking cylinder corresponds to one battery cell position, the output end of each jacking cylinder is connected with one battery cell supporting plate, the battery cell supporting plate is positioned at the bottom of the battery cell position, and the battery cell supporting plate is used for supporting a battery cell placed at the battery cell position.

In one embodiment, the front end and the rear end of the cylinder mounting plate are respectively provided with a connecting block, the two connecting blocks are formed by extending upwards from the surface of the cylinder mounting plate in a protruding mode, the connecting blocks at the front end of the cylinder mounting plate are fixedly connected with the front end of the conveying frame, and the connecting blocks at the rear end of the cylinder mounting plate are fixedly connected with the rear end of the conveying frame.

In one embodiment, the cylinder mounting plate and the carriage are preceded by a mounting space in which each jacking cylinder is located.

In one embodiment, the installation space is respectively communicated with each cell position, and the cell support plate is positioned at the top of the installation space.

In one embodiment, the conveying frame comprises two guide cross bars arranged in parallel and two fixed longitudinal bars arranged in parallel, the end parts of the guide cross bars and the end parts of the fixed longitudinal bars are mutually connected to form an L-shaped structure, and the two guide cross bars and the two fixed longitudinal bars form a square frame structure together.

In one embodiment, each of the guide rails is provided with one of the conveyor belt assemblies.

In one embodiment, the conveyor belt assembly comprises a front end synchronizing wheel, a synchronous belt and a rear end synchronizing wheel, wherein the front end synchronizing wheel is rotatably installed at the front end of the guide cross rod adjacent to the conveying motor, the rear end synchronizing wheel is rotatably installed at the rear end of the guide cross rod, the synchronous belt surrounds the guide cross rod and is respectively sleeved on the front end synchronizing wheel and the rear end synchronizing wheel, and the conveying motor is in transmission connection with the front end synchronizing wheel.

In one embodiment, the conveying motor comprises a mounting frame, a servo motor, a driving wheel and a driven wheel, wherein the mounting frame is mounted and fixed below the front end of the guide cross rod, the servo motor is mounted in the mounting frame, the driving wheel is mounted on the outer side wall of the mounting frame and is coaxially and rotatably connected with an output shaft of the servo motor, the driven wheel is coaxially and rotatably connected with a front end synchronous wheel, and the driving wheel is in transmission connection with the driven wheel through a belt.

In one embodiment, the electric core limiting assembly further comprises mounting frames, one mounting frame is arranged on the outer side of each guide cross rod, and a plurality of limiting cylinders are arranged on each mounting frame.

In one embodiment, the sensor is mounted and fixed on the mounting frame.

According to the multi-cell high-efficiency screening device, the conveying belt assembly on two sides of the conveying frame is driven by the conveying motor to move, so that the cells which are not limited by the limiting pieces continue to advance along the conveying direction of the conveying belt, after the NG cells are screened out, the corresponding sensors sense that the cell positions of the NG cells are in the vacant state, at the moment, all the cells in the region from the rear end of the conveying direction of the conveying belt to the cell positions in the vacant state are lifted away from the conveying belt assembly by the lifting cylinder and the cell supporting plate, and the cells in the region still stay on the original cell positions and are not influenced by the conveying belt assembly; then, if the region from the empty cell position to the front end of the conveying direction of the conveying belt is still provided with the empty cell position, the region is between the two empty cell positions, the limiting piece in the region is withdrawn from the cell position by the limiting cylinder, the conveying motor is started, at the moment, the cell in the cell position continuously advances under the action of the conveying belt assembly and enters the empty cell position, the cell in the empty cell position is limited to stay in the cell position due to the existence of the limiting piece behind the empty cell position, and finally, the limiting piece withdrawn from the cell position is retracted into the cell position by the limiting cylinder, so that the cell in the cell position is limited again. And similarly, if a plurality of vacant cell positions exist, repeating the above processes, so that the cell groups continuously placed in the cell positions are obtained, and the mechanical clamping jaw of the next operation station can be used for better grabbing the cell groups. Therefore, through supplementing the empty battery cell position, the automatic pairing and position supplementing of the empty battery cell position is realized, the battery cells in the battery cell position are continuously placed, the process is automatically carried out, the efficiency is high, and the production efficiency of the whole wire is greatly improved.

Drawings

FIG. 1 is a schematic diagram of a multi-cell high-efficiency screening apparatus according to an embodiment;

FIG. 2 is a schematic diagram of a structure of the multi-cell high-efficiency screening device according to another view angle in the embodiment shown in FIG. 1;

FIG. 3 is a schematic diagram of a multi-cell high-efficiency screening apparatus in a fully loaded cell state;

FIG. 4 is a schematic diagram of a structure of a multi-cell high-efficiency screening apparatus according to another view angle in the embodiment shown in FIG. 1;

FIG. 5 is a schematic diagram of a partial structure of a multi-cell high-efficiency screening apparatus according to an embodiment;

FIG. 6 is a schematic diagram of a partial structure of a multi-cell high-efficiency screening apparatus according to an embodiment;

fig. 7 is a schematic diagram of a multi-cell high-efficiency screening apparatus with empty cells.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. 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; can be mechanically or electrically connected; 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.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1, 2, 3 and 4, the present utility model provides a multi-cell efficient screening device, which includes: the battery cell conveying assembly 110, the battery cell limiting assembly 120 and the battery cell jacking assembly 130 are respectively connected with the battery cell limiting assembly 120 and the battery cell jacking assembly 130, the battery cell conveying assembly 110 is used for conveying a battery cell group, the battery cell limiting assembly 120 is used for limiting the battery cell group 90 in the battery cell conveying assembly 110, and the battery cell jacking assembly 130 is used for jacking the battery cell group 90 away from the battery cell conveying assembly 110. The cell group 90 is composed of a plurality of cells 91.

The cell conveying assembly 110 comprises a conveying frame 111, a conveying motor 112 and conveying belt combining pieces 113, wherein the conveying motor 112 is arranged at the front end of the conveying frame 111, one conveying belt combining piece 113 is respectively arranged on two sides of the conveying frame 111, and the conveying motor 112 is respectively in driving connection with the two conveying belt combining pieces 113.

The electric core limiting assembly 120 comprises limiting cylinders 121, limiting pieces 122 and sensors 123, wherein a plurality of limiting cylinders 121 are respectively arranged on two sides of the conveying frame 111, the output end of each limiting cylinder 121 is connected with one limiting piece 122, an electric core position 124 is formed between the two corresponding limiting pieces 122 on two sides of the conveying frame 111, the two limiting pieces 122 are jointly used for being in contact with an electric core placed on the electric core position 124 so as to limit the electric core on the electric core position 124, one sensor 123 is arranged on the side of each limiting cylinder 121, and the sensors 123 are used for sensing whether the electric core exists in the electric core position 124 corresponding to the limiting cylinder 121.

As shown in fig. 1 to 5, the battery cell jacking assembly 130 includes a cylinder mounting plate 131, jacking cylinders 132 and a battery cell supporting plate 133, the cylinder mounting plate 131 is mounted and fixed under the conveying frame 111, a plurality of jacking cylinders 132 are mounted and fixed on the cylinder mounting plate 131, each jacking cylinder 132 corresponds to one battery cell position 124, an output end of each jacking cylinder 132 is connected with one battery cell supporting plate 133, the battery cell supporting plate 133 is located at the bottom of the battery cell position 124, and the battery cell supporting plate 133 is used for supporting a battery cell placed at the battery cell position 124.

According to the multi-cell efficient screening device 10, the conveying motor 112 drives the conveyor belt assembly 113 on two sides of the conveying frame 111 to move, so that the cells which are not limited by the limiting piece 122 continue to advance along the conveying direction of the conveyor belt, after the NG cells are screened out, the corresponding sensors 123 sense that the cell positions 124 of the NG cells are in an empty state, at the moment, all the cells in the area between the rear end of the conveying direction of the conveyor belt and the cell positions 124 in the empty state are lifted away from the conveyor belt assembly 113 by the lifting cylinder 132 and the cell support plate 133, and therefore the cells in the area still stay on the original cell positions 124 and are not influenced by the conveyor belt assembly 113. Then, if there is an empty cell position 124 in the area from the empty cell position 124 to the front end of the conveying direction of the conveying belt, the area between the two empty cell positions 124 is the area between the two empty cell positions 124, the limiting member 122 in the area is withdrawn from the cell position 124 by the limiting cylinder 121, the conveying motor 112 is started, at this time, the cell in the cell position 124 will continue to travel under the action of the conveying belt assembly 113 and enter the empty cell position 124, and due to the existence of the limiting member 122 behind the empty cell position 124, the cell entering the empty cell position 124 is limited to stay in the cell position 124, and finally, the limiting member 122 withdrawn from the cell position 124 is retracted into the cell position 124 by the limiting cylinder 121, and the cell in the cell position 124 is limited again. Similarly, if there are a plurality of empty cell positions 124, the above process is repeated, so as to obtain the cell groups 90 continuously placed in the cell positions 124, so that the mechanical clamping jaw of the next operation station can better grip the cell groups 90. Thus, through the supplement to the above-mentioned vacant electric core position 124, the automatic pairing and position supplementing of the vacant electric core position 124 is realized, so that the electric core 91 in the electric core position 124 is continuously placed, the process is automatically carried out, the efficiency is high, and the production efficiency of the whole wire is greatly improved.

As shown in fig. 1 and 5, in one embodiment, the front and rear ends of the cylinder mounting plate 131 are respectively provided with a joint block 1311, and both joint blocks 1311 are formed by protruding upward from the surface of the cylinder mounting plate 131, the joint block 1311 at the front end of the cylinder mounting plate 131 is fixedly connected to the front end of the carriage 111, and the joint block 1311 at the rear end of the cylinder mounting plate 131 is fixedly connected to the rear end of the carriage 111. Further, the cylinder mounting plate 131 and the carriage 111 have a mounting space 134 in front thereof, and each jacking cylinder 132 is located in the mounting space 134. Further, the installation spaces 134 are respectively communicated with the respective cell sites 124, and the cell support plates 133 are positioned at the top of the installation spaces 134. In this way, two connection blocks 1311 are formed by the front and rear ends of the cylinder mounting plate 131 protruding upward such that the cylinder mounting plate 131 and the carriage 111 have the mounting space 134 in front thereof so as to receive the jacking cylinder 132 and the cell support plate 133.

As shown in fig. 6, in one embodiment, the carriage 111 includes two guide rails 1111 disposed in parallel and two fixed longitudinal bars 1112 disposed in parallel, the ends of the guide rails 1111 and the ends of the fixed longitudinal bars 1112 are connected to each other to form an L-shaped structure, and the two guide rails 1111 and the two fixed longitudinal bars 1112 together form a square frame structure. The two guide rails 1111 and the two fixed rails 1112 are fixedly connected to each other at their ends to form a square frame structure. The end of the guide cross bar 1111 and the end of the fixed vertical bar 1112 may be detachably connected by screw fastening, rivet fastening, or welding to form a stable square frame structure.

As shown in fig. 6, in one embodiment, each guide rail 1111 is provided with a conveyor belt assembly 113. Further, the conveyor belt assembly 113 includes a front end synchronizing wheel 1131, a synchronous belt 1132 and a rear end synchronizing wheel 1133, the front end synchronizing wheel 1131 is rotatably mounted at the front end of the guiding cross bar 1111 adjacent to the conveying motor 112, the rear end synchronizing wheel 1133 is rotatably mounted at the rear end of the guiding cross bar 1111, the synchronous belt 1132 surrounds the guiding cross bar 1111 and is respectively sleeved on the front end synchronizing wheel 1131 and the rear end synchronizing wheel 1133, and the conveying motor 112 is in transmission connection with the front end synchronizing wheel 1131. In this way, the timing belt 1132 above the guide rail 1111 will make contact with the cells in the cell site 124, and if there is no restriction by the stopper 122, the timing belt 1132 will move the cells in the cell site 124 when in operation.

It can be appreciated that the width of the cell position 124 between the two limiting members 122 is matched with the cell, and since the limiting members 122 are empty by the limiting cylinder 121, the width of the cell position 124 between the two limiting members 122 can be adjusted, and therefore the cell at the cell position 124 can be respectively abutted against the two synchronous belts 1132 and receive the friction force of the two synchronous belts 1132.

As shown in fig. 6, in one embodiment, the conveying motor 112 includes a mounting frame 1121, a servo motor 1122, a driving wheel 1123 and a driven wheel 1124, the mounting frame 1121 is mounted and fixed below the front end of the guide rail 1111, the servo motor 1122 is mounted in the mounting frame 1121, the driving wheel 1123 is mounted on the outer side wall of the mounting frame 1121 and is coaxially and rotatably connected with the output shaft of the servo motor 1122, the driven wheel 1124 is coaxially and rotatably connected with the front end synchronous wheel 1131, and the driving wheel 1123 is in transmission connection with the driven wheel 1124 through a belt (not shown). The two front synchronizing wheels 1131 are connected by a synchronizing shaft. Thus, when the servo motor 1122 works, the two synchronous belts 1132 can be driven to synchronously operate through the driving wheel 1123 and the driven wheel 1124.

As shown in fig. 6, in one embodiment, the cell limiting assembly 120 further includes mounting frames 125, and one mounting frame 125 is disposed on an outer side of each guide rail 1111, and a plurality of limiting cylinders 121 are mounted on each mounting frame 125. Further, the sensor 123 is mounted and fixed on the mounting frame 125. Each of the limiting cylinders 121 is laterally associated with a sensor 123. The sensor 123 is used for sensing whether a battery core exists in the battery core position 124 corresponding to the limiting cylinder 121. The mounting frame 125 is a frame structure member which is mounted and fixed on the outer side of the guide cross bar 1111 in an extending manner and is used for widening the area of the conveying frame 111 so as to facilitate the mounting of the limiting cylinder 121, the limiting piece 122 and the sensor 123.

As shown in fig. 7, a schematic diagram of a state of the multi-cell high efficiency screening apparatus with empty cells is shown, that is, NG (failed) cells exist in some cell positions 124, and the NG cells are taken out by external mechanical clamping jaws, so that the cell positions are in the empty state.

In order to facilitate understanding of the automatic position compensation principle of the empty cells of the multi-cell high-efficiency screening device, as shown in fig. 7, all the cell positions in the multi-cell high-efficiency screening device are now re-labeled. All the cell bits are marked as a first cell bit 1, a second cell bit 2, a third cell bit 3, a fourth cell bit 4, a fifth cell bit 5, a sixth cell bit 6, a seventh cell bit 7, an eighth cell bit 8, a ninth cell bit 9, a tenth cell bit 10, an eleventh cell bit 11, a twelfth cell bit 12, a thirteenth cell bit 13, a fourteenth cell bit 14, a fifteenth cell bit 15, and a sixteenth cell bit 16 in order from the front end of the carriage 111. When the NG cell is taken out, for example, the fifth cell bit 5 and the eighth cell bit 8 are NG cells and removed, the fifth cell bit 5 and the eighth cell bit 8 are in the idle state. Firstly, lifting cylinders below the positions of the first battery cell position 1 to the fourth battery cell position 4 and the ninth battery cell position 9 to the sixteenth battery cell position 16 rise, so that the battery cells positioned on the positions of the first battery cell position 1 to the fourth battery cell position 4 and the ninth battery cell position 9 to the sixteenth battery cell position 16 are separated from a synchronous belt below, then the limit cylinders of the positions of the fifth battery cell position 5 to the eighth battery cell position 8 retract, a conveying motor is started, the synchronous belt drives the battery cells to supplement the empty battery cells of the eighth battery cell position 8, then the lifting cylinders of the positions of the sixth battery cell position 6 to the eighth battery cell position 8 rise, the limit cylinders extend, and finally the limit cylinders of the positions of the first battery cell position 1 to the fourth battery cell position 4 retract, the lifting cylinders descend, and the synchronous belt supplements the battery cells. Thereby completing the automatic position compensation of the empty battery cell. The compensation principle of the vacant cell position at other positions is referred to the above process.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. Many electric cores high-efficient sieving mechanism, its characterized in that includes: the battery cell conveying assembly is connected with the battery cell limiting assembly and the battery cell jacking assembly respectively, the battery cell conveying assembly is used for conveying a battery cell group, the battery cell limiting assembly is used for limiting the battery cell group in the battery cell conveying assembly, and the battery cell jacking assembly is used for jacking the battery cell group away from the battery cell conveying assembly;

the battery cell conveying assembly comprises a conveying frame, a conveying motor and conveying belt assembling pieces, wherein the conveying motor is arranged at the front end of the conveying frame, one conveying belt assembling piece is respectively arranged at two sides of the conveying frame, and the conveying motor is respectively in driving connection with the two conveying belt assembling pieces;

the battery cell limiting assembly comprises limiting cylinders, limiting pieces and sensors, wherein a plurality of limiting cylinders are respectively arranged on two sides of the conveying frame, one limiting piece is connected to the output end of each limiting cylinder, a battery cell position is formed between the two corresponding limiting pieces on two sides of the conveying frame, the two limiting pieces are jointly used for being in contact with a battery cell placed at the battery cell position so as to limit the battery cell to the battery cell position, one sensor is arranged beside each limiting cylinder, and the sensors are used for sensing whether the battery cell exists in the battery cell position corresponding to the limiting cylinder;

the battery cell jacking assembly comprises a cylinder mounting plate, jacking cylinders and a battery cell supporting plate, wherein the cylinder mounting plate is fixedly arranged below the conveying frame, a plurality of jacking cylinders are fixedly arranged on the cylinder mounting plate, each jacking cylinder corresponds to one battery cell position, the output end of each jacking cylinder is connected with one battery cell supporting plate, the battery cell supporting plate is positioned at the bottom of the battery cell position, and the battery cell supporting plate is used for supporting a battery cell placed at the battery cell position.

2. The multi-cell efficient screening device according to claim 1, wherein a connection block is respectively provided at the front end and the rear end of the cylinder mounting plate, both connection blocks are formed by extending upward from the surface of the cylinder mounting plate, the connection block at the front end of the cylinder mounting plate is fixedly connected with the front end of the carriage, and the connection block at the rear end of the cylinder mounting plate is fixedly connected with the rear end of the carriage.

3. The multi-cell high efficiency screening apparatus according to claim 1 or 2, wherein the cylinder mounting plate and the carriage are preceded by a mounting space in which each of the jacking cylinders is located.

4. The multi-cell high-efficiency screening device according to claim 3, wherein the installation spaces are respectively communicated with the cell positions, and the cell support plates are positioned at the top of the installation spaces.

5. The multi-cell efficient screening device according to claim 1, wherein the conveying frame comprises two guide cross bars arranged in parallel and two fixed longitudinal bars arranged in parallel, the end parts of the guide cross bars and the end parts of the fixed longitudinal bars are mutually connected to form an L-shaped structure, and the two guide cross bars and the two fixed longitudinal bars form a square frame structure together.

6. The multiple cell high efficiency screening apparatus of claim 5, wherein each of said guide rails is provided with one of said conveyor belt assemblies.

7. The multi-cell high-efficiency screening device of claim 6, wherein the conveyor belt assembly comprises a front-end synchronizing wheel, a synchronous belt and a rear-end synchronizing wheel, the front-end synchronizing wheel is rotatably mounted at the front end of the guide cross bar adjacent to the conveying motor, the rear-end synchronizing wheel is rotatably mounted at the rear end of the guide cross bar, the synchronous belt surrounds the guide cross bar and is respectively sleeved on the front-end synchronizing wheel and the rear-end synchronizing wheel, and the conveying motor is in transmission connection with the front-end synchronizing wheel.

8. The multi-cell efficient screening device according to claim 7, wherein the conveying motor comprises a mounting frame, a servo motor, a driving wheel and a driven wheel, the mounting frame is mounted and fixed below the front end of the guide cross rod, the servo motor is mounted in the mounting frame, the driving wheel is mounted on the outer side wall of the mounting frame and is coaxially and rotatably connected with an output shaft of the servo motor, the driven wheel is coaxially and rotatably connected with the front end synchronous wheel, and the driving wheel is in transmission connection with the driven wheel through a belt.

9. The multi-cell efficient screening device of claim 8, wherein the cell limiting assembly further comprises mounting frames, one mounting frame is arranged on the outer side of each guide cross rod, and a plurality of limiting cylinders are arranged on each mounting frame.

10. The multi-cell high efficiency screening device of claim 9, wherein the sensor is mounted and secured to the mounting frame.