CN216730547U

CN216730547U - Reciprocating feeding device and battery shell processing system

Info

Publication number: CN216730547U
Application number: CN202220146181.9U
Authority: CN
Inventors: 李贵高
Original assignee: Yuanbo Intelligent Technology Co ltd
Current assignee: Yuanbo Intelligent Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-14
Anticipated expiration: 2032-01-18

Abstract

The application relates to the field, in particular to a reciprocating feeding device and a battery shell processing system, which comprise a main sliding frame, a clamping assembly, a clamping driving mechanism and a reciprocating driving mechanism, wherein the main sliding frame comprises two groups of sliding rods arranged in parallel and sliding pieces arranged below the sliding rods, and the arrangement direction of the two groups of sliding rods is perpendicular to the arrangement direction of a processing procedure; the sliding piece is used for being connected with the rack in a sliding mode, the sliding direction of the sliding piece is parallel to the arrangement direction of the treatment processes, and the sliding rod is connected with the sliding piece in a sliding mode, and the sliding direction of the sliding piece is perpendicular to the arrangement direction of the treatment processes; the clamping assemblies are provided with a plurality of groups, each group of clamping assemblies comprises two clamping pieces which are matched with each other, and the two clamping pieces are connected to the two groups of sliding rods in a one-to-one correspondence manner; the clamping driving mechanism is used for driving the sliding piece to drive the two groups of sliding rods to be close to or far away from each other, and the reciprocating driving mechanism is used for driving the two groups of sliding rods to move along the length direction of the reciprocating driving mechanism. The application has the advantages of low manufacturing and maintenance cost and simple and stable structure.

Description

Reciprocating feeding device and battery shell processing system

Technical Field

The application relates to the field, especially, relate to reciprocal material feeding unit and battery case system of processing.

Background

Most of the current processes for processing work pieces include a plurality of processes, such as a first leveling, a first trimming, a second trimming and a second leveling, during the trimming process after the battery case is formed. In practical arrangement, two adjacent processing procedures are usually arranged at equal intervals, so that the reciprocating feeding device can be arranged to feed the workpieces between the two adjacent processing procedures.

In the related art, the reciprocating feeding device mainly comprises a conveying frame connected to a rack in a sliding manner, a plurality of clamping mechanisms arranged on the conveying frame, and a reciprocating driving mechanism used for driving the conveying frame to move in a reciprocating manner. The direction of the conveying frame is consistent with the arrangement direction of the treatment processes, and the moving distance of the conveying frame at each time is matched with the distance between two adjacent treatment processes under the driving action of the reciprocating driving mechanism; meanwhile, the number of the clamping mechanisms is matched with the number of the processing procedures, and the distance between two adjacent clamping mechanisms is matched with the distance between two adjacent processing procedures.

All be provided with the power supply in every fixture to make fixture can press from both sides tightly and loosen the work piece, and when actual centre gripping was carried, still need control the synchronous work of the power supply among all fixtures, could realize the synchronization of centre gripping action, this makes whole reciprocal material feeding unit's cost higher relatively.

SUMMERY OF THE UTILITY MODEL

In a first aspect, the present application provides a reciprocating feeding device for reducing the cost of the entire reciprocating feeding device.

The application provides a reciprocal material feeding unit adopts following technical scheme:

a reciprocating feeding device comprises a main sliding frame, a clamping assembly, a clamping driving mechanism and a reciprocating driving mechanism, wherein the main sliding frame comprises two groups of sliding rods arranged in parallel and sliding pieces arranged below the sliding rods, and the arrangement direction of the two groups of sliding rods is perpendicular to the arrangement direction of a treatment process; the sliding piece is connected with the rack in a sliding mode, the sliding direction of the sliding piece is parallel to the arrangement direction of the treatment processes, and the sliding rod is connected with the sliding piece in a sliding mode, and the sliding direction of the sliding piece is perpendicular to the arrangement direction of the treatment processes; the clamping assemblies are provided with a plurality of groups, each group of clamping assemblies comprises two clamping pieces which are matched with each other, and the two clamping pieces are connected to the two groups of sliding rods in a one-to-one correspondence manner; the clamping driving mechanism is used for driving the sliding piece to drive the two groups of sliding rods to be close to or far away from each other, and the reciprocating driving mechanism is used for driving the two groups of sliding rods to move along the length direction of the reciprocating driving mechanism.

By adopting the technical scheme, the clamping driving mechanism drives the two groups of the sliding rods to be close to each other, so that clamping pieces on the two groups of the sliding rods are matched to stably clamp the workpiece, and then the reciprocating driving mechanism is utilized to drive the sliding rods to move along the length direction of the sliding rods, so that the purpose of clamping the workpiece to move horizontally can be achieved. The clamping action of the reciprocating feeding device in the scheme shares one power source, and the motion of the power source can drive all clamping components to synchronously complete the clamping or loosening action without additional control, so that the manufacturing cost and the control cost of the whole reciprocating feeding device can be relatively reduced.

Optionally, the clamping driving mechanism includes a power assembly and a servo motor, the power assembly includes a swing arm rotatably connected to the frame and two connecting rods, and the servo motor is used for driving the swing arm to rotate; one ends of the two connecting rods are hinged to the swing arm, the two hinged points are symmetrical relative to a rotating shaft of the swing arm, the other ends of the two connecting rods are hinged to the two sliding pieces in a one-to-one correspondence mode, and the rotating shaft of the swing arm is located in the middle of a central connecting line of the two sliding pieces.

Through adopting above-mentioned technical scheme, servo motor orders about the swing arm and rotates, utilizes two connecting rods with swing arm pivoted power transmission to with the frame slide on the sliding member of being connected, can reach and order about the purpose that two sliding members are close to each other or keep away from, even make two sets of slide bars can be close to or keep away from so that the effect that the centre gripping subassembly realized pressing from both sides tightly or unclamped under centre gripping actuating mechanism's drive action. Simultaneously, utilize swing arm turned angle and the translation distance of sliding part to link to the turned angle of accessible control servo motor carries out effective control to the translation distance of sliding part, so that adjust the displacement distance of slide bar in the actual debugging process.

Optionally, a set of sliding parts connected below the sliding rods are at least two, the number of the power assemblies is the same as that of the sliding parts below a single sliding rod, the sliding parts correspond to one another one by one, and the clamping driving mechanism further comprises a linkage assembly used for transmitting the power of the servo motor to the swing arm in the power assembly.

Through adopting above-mentioned technical scheme, the cooperation of power component and sliding piece can form the application of force point of ordering about the slide bar and removing, and when whole slide bar length is longer, the stability that two sets of slide bars are close to each other or keep away from can be maintained in the existence of a plurality of application of force points, and the unstable condition of centre gripping that reduces the centre gripping subassembly and appear because of excessively keeping away from the application of force point takes place.

Optionally, the linkage assembly comprises linkage arms, adjusting arms and linkage rods, the number of the linkage arms is the same as that of the swing arms, and the linkage arms are parallel to each other; one end of each linkage arm is coaxially fixed with the corresponding swing arm one by one, and the other end of each linkage arm is provided with a movable groove along the length direction of the linkage arm; the number of the adjusting arms is the same as that of the linkage arms, the adjusting arms are connected in a one-to-one correspondence mode, one end of each adjusting arm is rotatably connected with a movable block which can be embedded into the movable groove, the other end of each adjusting arm is connected with the rack in a sliding mode, and the sliding direction of each adjusting arm is parallel to the length direction of the sliding rod; the linkage rod is used for connecting two adjacent adjusting arms.

Through adopting above-mentioned technical scheme, when one of them swing arm received servo motor direct drive and rotated, utilize the linkage subassembly can be with the moment of torsion of swing arm stably transmit to all power assembly's swing arm on to order about synchronous and stable rotation of all swing arms, thereby reach and drive about the purpose that the sliding part removed in step and stable.

Optionally, reciprocating drive mechanism is including sliding the sharp lead screw module of connecting in the drive mainboard of frame and being used for ordering about the drive mainboard removal, the glide direction of drive mainboard is on a parallel with slide bar length direction, and is two sets of the tip of slide bar slides and connects in drive mainboard and glide direction perpendicular to slide bar length direction.

Through adopting above-mentioned technical scheme, regard sharp lead screw module as slide bar reciprocating motion's power supply, simple structure and practicality are strong.

Optionally, the sliding seat is fixedly connected to the lower side of the sliding part, the sliding seat is connected with a sliding rail in a sliding mode, and the sliding rail is used for fixedly connecting the rack.

Through adopting above-mentioned technical scheme, by the cooperation of sliding between slide and the slide rail, can realize sliding between sliding and being connected with the frame, and correspondingly, the slide rail also can realize perpendicular spacing effect on both sliding directions to the slide to inject the position of sliding at frame length direction.

In a second aspect, the present application provides a battery case processing system.

The application provides a battery case system of processing adopts following technical scheme:

a battery shell processing system comprises a rack, a shell leveling device, a first trimming device, a second trimming device and the reciprocating feeding device, wherein the rack is sequentially provided with a first leveling station, a first trimming station, a second trimming station and a second leveling station at equal intervals along the length direction of the rack; the shell flattening device is provided with two groups, wherein one group of the shell flattening device is positioned at a first flattening station, and the other group of the shell flattening device is positioned at a second flattening station.

Through adopting above-mentioned technical scheme, obtain one and can carry out the processing system of flattening and side cut to battery case, and reciprocal material feeding unit in this processing system has simple structure and the stable effect of centre gripping transport.

Optionally, first flattening station, first cut edge station, second cut edge station and second flattening station all are equipped with and are used for jacking battery case to the climbing mechanism of same height, climbing mechanism includes the jacking board and is used for ordering about the jacking cylinder of jacking board vertical migration.

Through adopting above-mentioned technical scheme, climbing mechanism's setting can be with battery case jacking to same height to centre gripping subassembly carries out centre gripping and transport to the battery case that is in same height among the reciprocal material feeding unit of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

the synchronous driving of a plurality of clamping assemblies is realized through one power source, the overall cost is low, and the structure is simple and stable;

the cooperation of a plurality of power components and glide is formed with a plurality of application of force points that order about the slide bar and remove, is convenient for maintain the stability that the slide bar removed.

Drawings

FIG. 1 is a general schematic view of a reciprocating feed apparatus in an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of an embodiment of the present application for showing a linkage assembly and a servo motor;

FIG. 4 is a schematic diagram showing a power assembly in an embodiment of the present application;

FIG. 5 is a schematic diagram for showing a linkage assembly in an embodiment of the present application.

FIG. 6 is an enlarged schematic view of portion B of FIG. 1;

fig. 7 is an overall schematic view of a battery case processing system in an embodiment of the present application.

Description of reference numerals: 1. a main sliding frame; 11. a slide bar; 111. a guide wheel; 12. a sliding member; 2. a clamping member; 3. a clamping drive mechanism; 31. a power assembly; 311. swinging arms; 312. a connecting rod; 32. a linkage assembly; 321. a linkage arm; 3211. a movable groove; 322. an adjusting arm; 3221. a movable block; 323. a linkage rod; 33. a servo motor; 4. a reciprocating drive mechanism; 41. a linear screw rod module; 42. driving the main board; 421. a guide block; 5. a mounting seat; 6. a frame; 7. a housing leveling device; 8. a first trimming device; 9. a second trimming device; 10. a jacking mechanism.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Most of the current processes for processing work pieces include a plurality of processes, such as a first leveling, a first trimming, a second trimming, and a second leveling, in the trimming process after the battery case is formed. In practice, two adjacent treatment processes are usually arranged on the frame 6 at equal distances, so that a reciprocating feeding device can be arranged to feed the workpieces between the two adjacent treatment processes.

The embodiment of the application discloses reciprocal material feeding unit. Referring to fig. 1, the reciprocating feeding device comprises a main sliding frame 1, a clamping assembly, a clamping driving mechanism 3 and a reciprocating driving mechanism 4. The main sliding frame 1 comprises two groups of sliding rods 11 arranged in parallel and sliding pieces 12 arranged below the sliding rods 11, the length direction of the two groups of sliding rods 11 is consistent with the arrangement direction of the treatment process, and the arrangement direction of the two groups of sliding rods 11 is perpendicular to the length direction of the two groups of sliding rods. The sliding rod 11 is connected with the sliding piece 12 in a sliding mode, the sliding direction of the sliding rod 11 is parallel to the length direction of the sliding rod, meanwhile, the sliding piece 12 is connected to the rack 6 in a sliding mode, and the sliding direction of the sliding piece 12 is perpendicular to the length direction of the sliding rod 11; so that the two sets of slide bars 11 can move along the length direction of the slide bars relative to the frame 6, and can move towards or away from each other along with the movement of the sliding piece 12.

Correspondingly, the clamping assemblies are provided with a plurality of groups, each group of clamping assemblies comprises two clamping pieces 2 which are matched with each other, and the two clamping pieces 2 are connected to the two groups of sliding rods 11 in a one-to-one correspondence manner; meanwhile, the clamping driving mechanism 3 is used for driving the sliding piece 12 to drive the two groups of sliding rods 11 to move close to or away from each other, so that the clamping assembly can clamp or loosen the workpiece. In addition, the reciprocating driving mechanism 4 is used for driving the two sets of sliding rods 11 to move along the length direction thereof, so as to achieve the purpose of clamping a workpiece to perform fixed-distance movement.

Specifically, referring to fig. 1 and 2, there are two sliding members 12 connected below a single sliding rod 11, and correspondingly, the reciprocating feeding device further includes two mounting seats 5 for fixedly connecting with the frame 6, and the positions of the two mounting seats 5 correspond to the positions of the two sliding members 12 of the sliding rod 11 one by one. Meanwhile, two sliding pieces 12 corresponding to the two groups of sliding rods 11 are connected to the upper side of the mounting seat 5; in this embodiment, the sliding member 12 is a rectangular plate.

A sliding seat is fixedly connected below the sliding part 12, correspondingly, a sliding rail matched with the sliding seat is fixedly installed on the upper side of the mounting seat 5, and the sliding connection between the sliding part 12 and the mounting seat 5 is realized through the sliding fit between the sliding rail and the sliding seat. In addition, a sliding seat is also fixedly arranged on the upper side of the sliding piece 12; correspondingly, the lower surface of the sliding rod 11 is fixedly provided with a guide rail matched with the sliding seat, so that the sliding connection between the sliding part 12 and the sliding rod 11 is realized.

Referring to fig. 1, the clamping assembly is adapted to an external structure of a workpiece to clamp the workpiece, in this embodiment, taking the workpiece as a battery case as an example, two clamping members 2 in the clamping assembly are matched to be capable of abutting against two side walls of the battery case which face away from the battery case; specifically, the clamping piece 2 is in an L-shaped block shape and is fixedly connected with the sliding rod 11 through a bolt; meanwhile, the end part of the clamping piece 2, which is abutted against the side wall of the battery shell, can be correspondingly provided with an elastic silica gel block so as to reduce the rigid collision to the battery shell in the clamping process.

Referring to fig. 3 and 4, the clamping driving mechanism 3 is used for driving the sliding member 12 to drive the two sets of sliding rods 11 to move close to or away from each other, and specifically, the clamping driving mechanism 3 includes two power assemblies 31, a linkage assembly 32 installed between the two power assemblies 31 for transmitting power, and a servo motor 33 for outputting power.

Referring to fig. 1 and 4, two power assemblies 31 are connected to two mounting seats 5 in a one-to-one correspondence for converting the power of a servo motor 33 into the movement of a sliding member 12; specifically, the power assembly 31 includes a swing arm 311 and two connecting rods 312, and the swing arm 311 is rotatably connected to the mounting base 5 through a vertical rotating shaft, so as to rotatably connect the swing arm 311 and the frame 6. Meanwhile, the two connecting rods 312 are respectively arranged at two sides of the rotating shaft, one end of each connecting rod 312 close to the rotating shaft is hinged with the swing arm 311, the two hinged points are in central symmetry with the rotating shaft, and the end parts of the two connecting rods 312, which are deviated from each other, are hinged to the two sliding pieces 12, which are connected with the mounting base 5 in a sliding manner, in a one-to-one correspondence manner.

Referring to fig. 3 and 5, the linkage assembly 32 is used for transmitting the power of one swing arm 311 to the other swing arm 311, and specifically, the linkage assembly 32 includes a linkage arm 321, an adjusting arm 322 and a linkage bar 323. The linkage arms 321 are parallel, an end of one linkage arm 321 is fixedly connected with a rotating shaft of one swing arm 311, and an end of the other linkage arm 321 is fixedly connected with a rotating shaft of the other swing arm 311.

The two adjusting arms 322 are parallel to each other, and the two adjusting arms 322 are connected to the two linkage arms 321 in a one-to-one correspondence manner; specifically, one end of the adjusting arm 322 is connected with the frame 6 in a sliding manner through the combination of the sliding block and the guide rail, the sliding direction of the end of the adjusting arm 322 is the same as the arrangement direction of the treatment processes, and the other end of the adjusting arm 322 is rotatably connected with a movable block 3221; correspondingly, the linkage arm 321 is provided with a movable groove 3211 along the length direction thereof for the movable block 3221 to be embedded and slide. In addition, the linkage rod 323 is in a long bar shape, one end of the linkage rod 323 is fixedly connected to one adjusting arm 322, and the other end of the linkage rod 323 is fixedly connected to the other adjusting arm 322; an output shaft of the servo motor 33 is fixedly connected to a rotating shaft to which one of the swing arms 311 is connected.

When one of the swing arms 311 is directly driven by the servo motor 33 to rotate, the torque of the swing arm 311 can be stably transmitted to the swing arms 311 of all the power assemblies 31 by the linkage assembly 32, so as to drive all the swing arms 311 to synchronously and stably rotate, thereby achieving the purpose of synchronously and stably driving the sliding member 12 to move.

Referring to fig. 1, the reciprocating driving mechanism 4 is used for driving two sets of sliding rods 11 to move reciprocally along the length direction of the sliding rods 11, and specifically, the reciprocating driving mechanism 4 includes a linear screw rod module 41 and a driving main board 42. The linear lead screw module 41 is fixedly mounted on the frame 6, and the driving main board 42 is connected to the slider of the linear lead screw module 41, so as to realize the sliding connection between the driving main board 42 and the frame 6.

Meanwhile, referring to fig. 6, the end of the slide bar 11 is connected with the driving main plate 42 in a sliding manner, and the sliding direction of the end of the slide bar 11 is perpendicular to the length direction of the slide bar 11. Specifically, two guide wheels 111 are arranged at the end part of the sliding rod 11 close to the driving main plate 42, and the two guide wheels 111 are arranged at intervals along the length direction of the sliding rod 11; accordingly, the driving main plate 42 is formed with a guide block 421, a length direction of the guide block 421 is perpendicular to a length direction of the slide bar 11, and the guide block 421 can be inserted into a gap between the two guide wheels 111. The sliding connection between the end of the sliding rod 11 and the driving main plate 42 can be realized by the cooperation between the two guiding wheels 111 and the guiding block 421.

The implementation principle of the reciprocating feeding device in the embodiment of the application is as follows: the clamping driving mechanism 3 drives the two groups of sliding rods 11 to approach each other, so that the clamping pieces 2 on the two groups of sliding rods 11 can be matched to stably clamp a workpiece, and then the reciprocating driving mechanism 4 drives the sliding rods 11 to move along the length direction of the sliding rods, so that the purpose of clamping the workpiece to translate can be achieved. The cooperation of the plurality of power assemblies 31 and the glide 12 forms a plurality of force application points for driving the movement of the slide bar 11, thereby facilitating maintaining the stability of the movement of the slide bar 11.

The embodiment of the application discloses battery case system of processing. Referring to fig. 7, the battery shell processing system comprises a frame 6, a shell leveling device 7, a first edge cutting device 8, a second edge cutting device 9 and the reciprocating feeding device; wherein, frame 6 is provided with first flattening station, first cut edge station, second cut edge station and second flattening station along self length direction in proper order and equidistance. Correspondingly, the first edge cutting device 8 is arranged at the first edge cutting station, and the second edge cutting device 9 is arranged at the second edge cutting station; there are two sets of housing screeding devices 7, one set of housing screeding devices 7 mounted to the first screeding station and the other set of housing screeding devices 7 mounted to the second screeding station.

In addition, the first leveling station, the first trimming station, the second trimming station and the second leveling station are all provided with jacking mechanisms 10 for jacking the battery shell to the same height; specifically, in this embodiment, the jacking mechanism 10 may include a jacking plate and a jacking cylinder for driving the jacking plate to move vertically.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a reciprocal material feeding unit which characterized in that: the device comprises a main sliding frame (1), a clamping assembly, a clamping driving mechanism (3) and a reciprocating driving mechanism (4), wherein the main sliding frame (1) comprises two groups of sliding rods (11) which are arranged in parallel and a sliding piece (12) arranged below the sliding rods (11), and the arrangement direction of the two groups of sliding rods (11) is perpendicular to the arrangement direction of a treatment process; the sliding piece (12) is connected with the rack (6) in a sliding mode, the sliding direction of the sliding piece is parallel to the arrangement direction of the treatment processes, and the sliding rod (11) is connected with the sliding piece (12) in a sliding mode, and the sliding direction of the sliding piece is perpendicular to the arrangement direction of the treatment processes;

the clamping assemblies are provided with a plurality of groups, each group of clamping assemblies comprises two clamping pieces (2) which are matched with each other, and the two clamping pieces (2) are connected to the two groups of sliding rods (11) in a one-to-one correspondence manner; the clamping driving mechanism (3) is used for driving the sliding piece (12) to drive the two groups of sliding rods (11) to be close to or far away from each other, and the reciprocating driving mechanism (4) is used for driving the two groups of sliding rods (11) to move along the length direction of the reciprocating driving mechanism.

2. The reciprocating feeding device of claim 1, wherein: the clamping driving mechanism (3) comprises a power assembly (31) and a servo motor (33), the power assembly (31) comprises a swing arm (311) and two connecting rods (312), the swing arm (311) is rotatably connected to the rack (6), and the servo motor (33) is used for driving the swing arm (311) to rotate; one end of each of the two connecting rods (312) is hinged to the corresponding swing arm (311), the two hinged points are symmetrical relative to the rotating shaft of the corresponding swing arm (311), the other end of each of the two connecting rods (312) is hinged to the corresponding sliding piece (12), and the rotating shaft of the corresponding swing arm (311) is located in the middle of the connecting line of the centers of the two sliding pieces (12).

3. The reciprocating feeding device of claim 2, wherein: the clamping driving mechanism (3) comprises at least two sliding pieces (12) connected below the sliding rods (11), the number of the power assemblies (31) is the same as that of the sliding pieces (12) below a single sliding rod (11), the two sliding pieces correspond to each other one by one, and the power of the servo motor (33) is transmitted to a linkage assembly (32) on a swing arm (311) in the power assemblies (31).

4. The reciprocating feeding device of claim 3, wherein: the linkage assembly (32) comprises linkage arms (321), adjusting arms (322) and linkage rods (323), the number of the linkage arms (321) is the same as that of the swing arms (311), and the linkage arms (321) are parallel to each other; one end of each linkage arm (321) is coaxially fixed with the corresponding swing arm (311) one by one, and the other end of each linkage arm (321) is provided with a movable groove (3211) along the length direction of the linkage arm; the number of the adjusting arms (322) is the same as that of the linkage arms (321), the adjusting arms are connected in a one-to-one correspondence manner, one end of each adjusting arm (322) is rotatably connected with a movable block (3221) which can be embedded into the movable groove (3211), the other end of each adjusting arm (322) is connected with the rack (6) in a sliding manner, and the sliding direction of each adjusting arm is parallel to the length direction of the sliding rod (11); the linkage rod (323) is used for connecting two adjacent adjusting arms (322).

5. The reciprocating feeding device of claim 1, wherein: reciprocating drive mechanism (4) including slide and connect in drive mainboard (42) of frame (6) and be used for driving the straight line lead screw module (41) that drive mainboard (42) removed, the glide direction of drive mainboard (42) is on a parallel with slide bar (11) length direction, and is two sets of the tip of slide bar (11) slides and connects in drive mainboard (42) and glide direction perpendicular to slide bar (11) length direction.

6. The reciprocating feeding device of claim 1, wherein: the sliding seat is fixedly connected to the lower portion of the sliding part (12), the sliding seat is connected with a sliding rail in a sliding mode, and the sliding rail is used for fixedly connecting the rack (6).

7. A battery case processing system is characterized in that: the automatic material cutting machine comprises a rack (6), a shell flattening device (7), a first edge cutting device (8), a second edge cutting device (9) and a reciprocating feeding device as claimed in any one of claims 1 to 6, wherein the rack (6) is sequentially provided with a first flattening station, a first edge cutting station, a second edge cutting station and a second flattening station at equal intervals along the length direction of the rack, the first edge cutting device (8) is located at the first edge cutting station, and the second edge cutting device (9) is located at the second edge cutting station; the shell flattening devices (7) are divided into two groups, wherein one group of shell flattening devices (7) are located at a first flattening station, and the other group of shell flattening devices (7) are located at a second flattening station.

8. The battery case processing system according to claim 7, wherein: first flattening station, first cutting edge station, second cutting edge station and second flattening station all are equipped with and are used for jacking to climbing mechanism (10) of same height with battery case, climbing mechanism (10) are including the jacking board with be used for ordering about the jacking cylinder of jacking board vertical migration.