Auxiliary sheet taking mechanism and sheet taking system
The electrode acquisition process is optimized by the vacuum adsorption component and drive mechanism of the auxiliary electrode picking mechanism, which solves the low efficiency problem caused by repeated shaking of the robot arm and achieves more efficient electrode picking and stacking.
Patent Information
- Application Number
- CN202422718835.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-07
AI Technical Summary
During the film-taking process, the robot arm needs to repeatedly shake the film every time it obtains the electrode, resulting in a long reciprocating cycle of the film-taking process, which affects the stacking efficiency.
An auxiliary film-taking mechanism is adopted, which uses a vacuum adsorption component to obtain the electrode and moves and rotates along the guide rail through a driving mechanism to reduce the shaking of the film. The robot directly absorbs the electrode from the vacuum adsorption component, simplifying the film-taking process.
It effectively reduces the time it takes for the robot to take the sheets from the magazine and shake them, improves the stacking efficiency, and shortens the reciprocating cycle for taking the sheets.
Smart Images
Figure CN223457733U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of cell taking, in particular to an auxiliary taking mechanism and a taking system. BACKGROUND
[0002] In the new energy lithium battery industry, the laminating machine in the industry has become mature, and the cartridge feeding is a kind of pole piece feeding in the laminating machine, and the taking time is a key part affecting the efficiency of the equipment.
[0003] In the related art, the pole piece is usually taken from the cartridge by a mechanical hand. In the process of taking the pole piece by the mechanical hand, a shaking action is performed to effectively reduce the occurrence of the pole piece taking situation. After the shaking action is completed, the obtained pole piece is placed on a deviation rectifying platform. Then, the mechanical hand is reset, and the actions of taking the pole piece from the cartridge, shaking and placing on the deviation rectifying platform are repeated.
[0004] However, in the process of repeatedly taking the pole piece from the cartridge and shaking by the mechanical hand until the pole piece is placed on the deviation rectifying platform, the shaking action needs to be repeatedly performed every time the pole piece is taken, which causes a long reciprocating cycle of the taking process and affects the laminating efficiency. SUMMARY
[0005] The application provides an auxiliary taking mechanism and a taking system, which can solve the technical problem that the shaking action needs to be repeatedly performed every time the pole piece is taken by the mechanical hand in the related art, which causes a long reciprocating cycle of the taking process and affects the laminating efficiency.
[0006] In a first aspect, an embodiment of the application provides an auxiliary taking mechanism, which comprises: a frame body, the frame body is provided with a guide rail, the guide rail extends along the height direction of the frame body; a taking device, the taking device is slidingly installed on the guide rail, the taking device comprises a rotating mechanism and a vacuum adsorption assembly connected to the rotating mechanism; a first driving mechanism, the first driving mechanism is installed on the frame body, and the first driving mechanism is connected to the taking device, and the first driving mechanism is configured to drive the taking device to move along the extension direction of the guide rail.
[0007] In combination with the first aspect, in an implementation manner, the taking device further comprises a fixing mechanism, the fixing mechanism is slidingly installed on the guide rail, and the fixing mechanism is connected to the first driving mechanism; the rotating mechanism comprises a second driving mechanism and a rotating shaft connected to the second driving mechanism, the second driving mechanism is configured to drive the rotating shaft to move around the axis line of the rotating shaft, and the vacuum adsorption assembly is installed on the rotating shaft.
[0008] In combination with the first aspect, in an implementation manner, the rotating shaft is connected with two groups of the vacuum adsorption assemblies, and the two groups of the vacuum adsorption assemblies are installed on the opposite upper and lower sides of the rotating shaft.
[0009] In combination with the first aspect, in an implementation form of the auxiliary sheet taking mechanism, the vacuum suction assembly is provided with a vacuum pressure gauge; the auxiliary sheet taking mechanism further comprises a controller, which is respectively connected with the vacuum pressure gauge and the first driving mechanism.
[0010] In combination with the first aspect, in an implementation form of the auxiliary sheet taking mechanism, the fixing mechanism comprises a connecting frame and a sliding block fixed to the connecting frame, the connecting frame is slidingly installed on the guide rail through the sliding block, and the second driving mechanism is installed on the connecting frame.
[0011] In combination with the first aspect, in an implementation form of the auxiliary sheet taking mechanism, the vacuum suction assembly is located in the connecting frame, and the connecting frame is fixed with a bearing, and the rotating shaft is arranged through the bearing.
[0012] In combination with the first aspect, in an implementation form of the auxiliary sheet taking mechanism, the frame body comprises two groups of supports, the two groups of supports are arranged on opposite sides of the connecting frame, each group of supports is fixed with the guide rail, and the opposite sides of the connecting frame are fixed with the sliding blocks matched with the guide rails.
[0013] In combination with the first aspect, in an implementation form of the auxiliary sheet taking mechanism, the first driving mechanism is arranged between the connecting frame and one group of supports.
[0014] In combination with the first aspect, in an implementation form of the auxiliary sheet taking mechanism, the vacuum suction assembly is located in the connecting frame, and the connecting frame is fixed with a bearing, and the rotating shaft is arranged through the bearing.
[0015] In combination with the second aspect, in an implementation form of the auxiliary sheet taking mechanism, the auxiliary sheet taking mechanism further comprises at least two sheet blowing structures, the at least two sheet blowing structures are arranged on opposite sides of the sheet clamp; the sheet clamp is provided with a sheet taking opening, and opposite inner side walls of the sheet taking opening are provided with brushes.
[0016] The technical scheme provided by the embodiments of the present application has the following beneficial effects:
[0017] By setting the auxiliary sheet taking mechanism, the vacuum adsorption assembly in the sheet taking device can be used to first obtain the sheet in the clip, the first driving mechanism drives the sheet taking device to move, so that the vacuum adsorption assembly can be shaken up and down along the extension direction of the guide rail, which can effectively prevent the sheet from being taken, and after the vacuum adsorption assembly completes the sheet taking, it can be rotated from the side close to the clip to the side away from the clip under the driving of the rotating mechanism, and the mechanical hand can directly suck the sheet from the vacuum adsorption assembly. In the process of the sheet taking device sucking the sheet from the clip, the mechanical hand can complete the process of sucking the sheet from the vacuum adsorption assembly to placing the sheet on the deviation rectifying platform in the previous step. After the vacuum adsorption assembly sucks the sheet in the clip and rotates to the side convenient for the mechanical hand to grasp the sheet, the mechanical hand can return to the position close to the vacuum adsorption assembly again, and directly suck the sheet on the vacuum adsorption assembly away, so as to reduce the time of the mechanical hand directly taking the sheet from the clip and shaking the sheet, solve the technical problem that the mechanical hand needs to repeatedly shake the sheet every time the sheet is obtained, and cause the reciprocating period of the sheet taking process to be long, and affect the laminating efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0019] Figure 1 The auxiliary sheet taking mechanism provided in the embodiment of the present application is shown in a perspective view.
[0020] Figure 2 The auxiliary sheet taking mechanism provided in the embodiment of the present application is shown in a side view.
[0021] Figure 3 The auxiliary sheet taking mechanism provided in the embodiment of the present application is shown in a top view.
[0022] Figure 4 The auxiliary sheet taking mechanism provided in the embodiment of the present application is shown in a perspective view.
[0023] Figure 5 The auxiliary sheet taking mechanism provided in the embodiment of the present application is shown in a perspective view.
[0024] In the drawings:
[0025] 1, frame; 11, guide rail; 12, support;
[0026] 2, the taking device; 21, the fixed mechanism; 211, the connecting frame; 2111, the bearing; 212, the sliding block; 22, the second driving mechanism; 23, the rotating shaft; 24, the vacuum suction assembly; 241, the suction cup;
[0027] 3, the first driving mechanism;
[0028] 4, the pole piece clamp;
[0029] 5, the baffle. DETAILED DESCRIPTION
[0030] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the present application.
[0031] The embodiment of the present application provides an auxiliary taking mechanism, which can solve the technical problem that the mechanical hand needs to repeatedly perform the action of shaking the sheet every time the sheet is taken, resulting in a long reciprocating cycle of the taking process and affecting the stacking efficiency.
[0032] Referring to Figure 1 The auxiliary taking mechanism provided by the embodiment of the present application can include: a frame body 1, the frame body 1 is provided with a guide rail 11, the guide rail 11 extends along the height direction of the frame body 1; a taking device 2, the taking device 2 is slidingly installed on the guide rail 11, the taking device 2 includes a rotating mechanism and a vacuum suction assembly 24 connected to the rotating mechanism; a first driving mechanism 3, the first driving mechanism 3 is installed on the frame body 1, and the first driving mechanism 3 is connected to the taking device 2, the taking device 2 is slidingly installed on the frame body 1, and the first driving mechanism 3 is configured to drive the taking device 2 to move along the extension direction of the guide rail 11, the vacuum suction assembly 24 can be driven by the taking device 2 to move along the guide rail 11 synchronously with the taking device 2, at this time the vacuum suction assembly 24 can complete the action of shaking up and down under the driving of the first driving mechanism 3, and the change of the height position of the vacuum suction assembly 24 in the vertical direction can also be realized.
[0033] The auxiliary sheet taking mechanism is arranged, the vacuum adsorption assembly 24 of the sheet taking device 2 is used to first obtain the pole piece in the magazine, the magazine is usually placed below the sheet taking device 2, the first driving mechanism 3 drives the sheet taking device 2 to move, that is, drives the vacuum adsorption assembly 24 to move, the vacuum adsorption assembly 24 can first move to the magazine under the drive of the first driving mechanism 3, obtains the pole piece from the magazine, then the vacuum adsorption assembly 24 is shaken up and down along the extension direction of the guide rail 11, as many pole pieces as possible are shaken down, and the pole pieces are effectively prevented from being taken, after the vacuum adsorption assembly 24 completes the sheet taking, the first driving mechanism 3 drives the vacuum adsorption assembly 24 to move upwards, that is, moves towards the direction away from the magazine, so that the vacuum adsorption assembly 24 is close to the taking position of the mechanical hand, in the process of moving along the rail 11 or after the movement along the rail 11 is completed, the vacuum adsorption assembly 24 can be rotated from one side close to the magazine to one side convenient for the mechanical hand to grasp the pole piece under the drive of the rotating mechanism, preferably, the vacuum adsorption assembly 24 adsorbed with the pole piece can be rotated from below to above, the mechanical hand can directly suck the pole piece from the vacuum adsorption assembly 24 at this time, in the process of the sheet taking device 2 sucking the pole piece from the magazine, the mechanical hand can complete the process of sucking the pole piece from the vacuum adsorption assembly 24 to placing on the deviation rectifying platform in the previous step, after the vacuum adsorption assembly 24 sucks the pole piece in the magazine and rotates to the side away from the magazine, the mechanical hand can be back to the position close to the vacuum adsorption assembly 24 again, and directly sucks away the pole piece on the vacuum adsorption assembly 24, the method reduces the time of the mechanical hand directly taking the pole piece from the magazine and shaking the pole piece, solves the technical problem that the mechanical hand needs to repeatedly shake the pole piece every time the pole piece is obtained in the related art, so that the reciprocating period of the taking process is long, and the stacking efficiency is affected.
[0034] Referring to Figure 3As shown, in some optional embodiments, the piece taking device 2 can further comprise a fixing mechanism 21, the fixing mechanism 21 is slidingly installed on the guide rail 11, the fixing mechanism 21 is connected with the first driving mechanism 3, that is, the first driving mechanism 3 can drive the fixing mechanism 21 to move along the extension direction of the guide rail 11; the rotating mechanism comprises a second driving mechanism 22 and a rotating shaft 23 connected with the second driving mechanism, the second driving mechanism 22 is configured to drive the rotating shaft 23 to move around the axis of the rotating shaft 23, the vacuum suction assembly 24 is installed on the rotating shaft 23, in the embodiment of the present application, the way that the vacuum suction assembly 24 obtains the pole piece from the magazine is through vacuum suction, after the second driving mechanism 22 is connected with the fixing mechanism 21, the second driving mechanism 22 can also be driven by the fixing mechanism 21 to move along the extension direction of the guide rail 11, in addition, the second driving mechanism 22 can also drive the rotating shaft 23 to move around the axis of the rotating shaft 23, so that the vacuum suction assembly 24 can be turned over by 180° or other angles after sucking the pole piece from the magazine, mainly for placing the pole piece towards the side close to the mechanical hand, the mechanical hand can more conveniently suck the pole piece from the vacuum suction assembly 24 from the appropriate angle or position, it should be understood that after the vacuum suction assembly 24 sucks the pole piece from the magazine and completes the turning over, the vacuum suction assembly 24 can stop sucking the pole piece, so that the mechanical hand can more quickly suck away the pole piece, further saving the pole piece suction time.
[0035] In some optional embodiments, the rotating shaft 23 is connected with two groups of the vacuum adsorption assemblies 24, and the two groups of the vacuum adsorption assemblies 24 are installed on the opposite upper and lower sides of the rotating shaft 23. In the embodiments of the present application, since two groups of the vacuum adsorption assemblies 24 are arranged, after one group of the vacuum adsorption assemblies 24 sucks the pole piece and rotates to the side close to the mechanical arm, the first driving mechanism 3 directly drives the vacuum adsorption assembly 24 to move downward to the position close to the cartridge, and the other group of the vacuum adsorption assembly 24 which does not suck the pole piece in the previous step repeats the process of sucking the pole piece. It should be understood that, at this time, by arranging two groups of the vacuum adsorption assemblies 24, the time for the vacuum adsorption assembly 24 to rotate from the side close to the mechanical arm back to the side close to the cartridge can be saved, that is, after the mechanical arm sucks away the pole piece from the vacuum adsorption assembly 24, the first driving mechanism 3 can immediately drive the vacuum adsorption assembly 24 to move downward, without rotating the vacuum adsorption assembly 24 back to the side close to the cartridge to suck the pole piece, but directly using the other group of the vacuum adsorption assembly 24 to suck. Preferably, each group of the vacuum adsorption assemblies 24 can include a suction cup 241 and a vacuum generator connected to the suction cup. The vacuum generator is connected to the suction cup 241 through a pipeline, and the working of the suction cup 241 can be controlled by starting and stopping the vacuum generator. Preferably, after the suction cup 241 sucks the pole piece from the cartridge and completes the turning, the vacuum generator is turned off, and then the suction cup 241 breaks the vacuum. After the mechanical arm sucks away the pole piece, the vacuum generator is turned on during the process that the taking device 2 moves downward along the track, and gradually starts to suck the vacuum, until the suction cup 241 sucks the pole piece and maintains the vacuum state before the suction cup 241 turns.
[0036] In some optional embodiments, the vacuum adsorption assembly 24 is provided with a vacuum pressure gauge, and in the embodiments of the present application, the vacuum generator can be considered as having the vacuum pressure gauge. The auxiliary taking device further includes a controller, and the controller is signal connected with the vacuum pressure gauge and the first driving mechanism 3, that is, in the embodiments of the present application, whether the vacuum generator stops continuously sucking the vacuum can be judged by the value in the vacuum pressure gauge. When the value in the vacuum pressure gauge reaches the rated value, a signal is fed back to the controller, the controller can judge that the suction cup 241 has completed the sucking of the pole piece, and then controls the first driving mechanism 3 to drive the fixing mechanism 21 to move upward. Further, the controller can be signal connected with the second driving mechanism 22, and after the controller judges that the suction cup 241 has completed the sucking of the pole piece, the second driving mechanism 22 can be controlled to drive the rotating shaft 23 to rotate during the process that the fixing mechanism 21 moves upward, further saving the taking time of the taking device 2.
[0037] Referring to Figure 4As shown, in some optional embodiments, the fixing mechanism 21 comprises a connecting frame 211 and a sliding block 212 fixed to the connecting frame 211, the connecting frame 211 is slidingly installed on the guide rail 11 through the sliding block 212, and the second driving mechanism 22 is installed on the connecting frame 211. In the embodiment of the application, the connecting frame 211 can be provided as a square frame, which is surrounded by a plurality of plate members, and the sliding block 212 is fixed to one of the side plate members. The sliding block 212 can guide the movement of the connecting frame 211 by sliding along the guide rail 11, so as to reduce the occurrence of deviation of the connecting frame 211 as much as possible during sliding, thereby reducing the influence of the movement of the connecting frame 211 on the film taking of the film taking device 2.
[0038] Preferably, the vacuum adsorption assembly 24 is located in the connecting frame 211, and the connecting frame 211 is fixed with a bearing 2111, and the rotating shaft 23 penetrates the bearing 2111. The connecting mode of the rotating shaft 23 and the connecting frame 211 can be that a rod member is fixed on the connecting frame 211, the rotating shaft 23 penetrates the rod member, and the two ends of the rod member are respectively fixed to the opposite plate members of the connecting frame 211, that is, the rod member is fixed relative to the connecting frame 211, and the rotating shaft 23 rotates relative to the rod member during rotation. In the embodiment of the application, the connecting mode of the rotating shaft 23 and the connecting frame 211 is that a through hole is formed in one side plate member of the connecting frame 211, the bearing 2111 penetrates the through hole, one end of the rotating shaft 23 penetrates the bearing 2111, the bearing 2111 can support the rotating shaft 23 to a certain extent, and can also reduce friction during rotation, so that the rotation is smoother. Preferably, the other end of the rotating shaft 23 penetrates the other side plate member of the connecting frame 211, that is, the two ends of the rotating shaft 23 penetrate the opposite side plate members of the connecting frame 211. The other end of the rotating shaft 23 can be connected with the second driving mechanism 22, the shaft of the second driving mechanism 22 is connected with the rotating shaft 23 through a shaft coupling, and the shaft coupling is fixed to the connecting frame 211.
[0039] Referring to Figure 2As shown, in some optional embodiments, the frame body 1 comprises two groups of supports 12, and each group of the supports 12 is fixed with the guide rail 11. The opposite sides of the connecting frame body 211 are fixed with the sliding block 212 matched with the guide rail 11. Each group of the supports 12 can have multiple horizontal columns and vertical columns, and the guide rail 11 is fixed on the vertical column. The horizontal column and the vertical column can be hollow columns to save the manufacturing materials of the supports 12. In addition, a reinforcing plate can be fixed at the joint of the horizontal column and the vertical column to enhance the connection stability of the horizontal column and the vertical column. In the embodiments of the present application, the supports 12 can be arranged on only one side of the connecting frame body 211, that is, the connecting frame body 211 can be regarded as a suspension structure. Further, each side plate of the connecting frame body 211 can be provided with a weight-reducing hole, and the adjacent two side plates are connected by welding and additionally provided with a reinforcing plate. This arrangement reduces the overall weight of the connecting frame body 211 while improving the supporting performance. Arranging only one group of supports 12 can save the manufacturing materials of the auxiliary sheet taking mechanism and reduce the production cost.
[0040] Preferably, the first driving mechanism 3 is arranged between the connecting frame body 211 and one group of the supports 12. Preferably, the first driving mechanism 3 is arranged apart from the sliding block 212 to effectively avoid the influence of the first driving mechanism 3 on the movement of the sliding block 212. Further, when two groups of the supports 12 are arranged on the opposite sides of the connecting frame body 211, the first driving mechanism 3 can be arranged between only one group of the supports 12 and the connecting frame body 211, so that the first driving mechanism 3 can drive the connecting frame body 211 to move and save the driving resources. In some other embodiments, the first driving mechanism 3 can also be arranged between the two groups of the supports 12 and the connecting frame body 211, and the two first driving mechanisms 3 can be signal connected to synchronously drive the connecting frame body 211.
[0041] Referring to Figure 5 As shown, the present application also provides a sheet taking system which can comprise the auxiliary sheet taking mechanism. The sheet taking system further comprises a sheet clip 4 arranged below the sheet taking device 2, and the first driving mechanism 3 can be configured to drive the sheet taking device 2 to obtain the sheet in the sheet clip 4. Arranging the sheet clip 4 below the sheet taking device 2 can facilitate sheet taking. When the sheet taking device 2 moves under the driving of the first driving mechanism 3, part of the position of the suction cup 241 can extend into the cavity of the sheet clip 4 for placing the sheet. Using the auxiliary sheet taking mechanism to take the sheet in the sheet clip 4, that is, using the auxiliary sheet taking mechanism as a transfer mechanism of the sheet clip 4 and the mechanical hand, can shorten the reciprocating cycle of sheet taking and stacking and improve the stacking efficiency.
[0042] Preferably, the polar piece clip 4 is connected with a lifting mechanism, the lifting mechanism drives the polar piece clip 4 to move along the extension direction of the guide rail 11, and the lifting mechanism can drive the polar piece clip 4 to move upward by a certain distance after the polar piece in the polar piece clip 4 is sucked, so that the suction cup 241 can suck the polar piece at the same height each time.
[0043] In some optional embodiments, the polar piece taking system can further include at least two polar piece blowing structures, the at least two polar piece blowing structures are arranged on opposite sides of the polar piece clip, and the polar piece blowing structures can blow air to the side of the suction cup 241 when the suction cup 241 sucks the polar piece, so that part of the polar piece is blown off; the polar piece clip 4 has a polar piece taking opening, and opposite inner side walls of the polar piece taking opening are each provided with a brush, preferably, part of the position of the suction cup 241 when taking the polar piece can extend into the cavity of the polar piece clip 4 from the polar piece taking opening, in order to prevent the polar piece, in addition to the polar piece blowing structure, a brush is arranged, when the suction cup 241 extending into the cavity of the polar piece clip 4 wants to extend out of the polar piece taking opening, the brush can brush off at least part of the polar piece on the suction cup 241, further reducing the occurrence of the polar piece. Preferably, the polar piece taking system further includes at least two baffles 5, and the at least two baffles 5 are arranged on opposite sides of the polar piece clip 4, the baffle 5 can be fixed on the opposite sides of the polar piece clip 4, and in the process of taking the polar piece, whether blowing, brushing or shaking the polar piece, dust on the polar piece can be shaken down, in order to enhance the neatness of the work station, the baffle 5 can block part of the dust flying into the air or falling to the ground. Preferably, a dust suction mechanism can be arranged on the two sides of the polar piece clip 4, the dust suction mechanism can suck away at least part of the dust generated in the process of blowing, brushing or shaking the polar piece, further enhancing the neatness of the work station.
[0044] In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0045] It should be noted that, in the present application, the relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0046] The foregoing is considered as illustrative only of the principles of the application. Numerous modifications and changes will readily occur to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Therefore, the application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An auxiliary sheet taking mechanism characterized by comprising: It includes: a frame (1) mounted with a guide rail (11) extending along the height direction of the frame (1); a film taking device (2) slidingly mounted on the guide rail (11), the film taking device (2) comprising a rotating mechanism and a vacuum suction assembly (24) connected to the rotating mechanism; a first driving mechanism (3) mounted on the frame (1) and connected to the film taking device (2), the first driving mechanism (3) being configured to drive the film taking device (2) to move along the extension direction of the guide rail (11).
2. The auxiliary film taking mechanism according to claim 1, wherein: the film taking device (2) further comprises a fixing mechanism (21) slidingly mounted on the guide rail (11), the fixing mechanism (21) being connected to the first driving mechanism (3); the rotating mechanism comprises a second driving mechanism (22) and a rotating shaft (23) connected to the second driving mechanism (22), the second driving mechanism (22) being configured to drive the rotating shaft (23) to move around the axis of the rotating shaft (23), and the vacuum suction assembly (24) being mounted on the rotating shaft (23).
3. The auxiliary film taking mechanism according to claim 2, wherein: the rotating shaft (23) is connected to two groups of the vacuum suction assembly (24), and the two groups of the vacuum suction assembly (24) are mounted on the opposite upper and lower sides of the rotating shaft (23).
4. The auxiliary film taking mechanism according to claim 3, wherein: the vacuum suction assembly (24) is provided with a vacuum pressure gauge; the auxiliary film taking mechanism further comprises a controller signal connected to the vacuum pressure gauge and the first driving mechanism (3) respectively.
5. The auxiliary film taking mechanism according to claim 2, wherein: the fixing mechanism (21) comprises a connecting frame (211) and a sliding block (212) fixed to the connecting frame (211), the connecting frame (211) being slidingly mounted on the guide rail (11) through the sliding block (212), and the second driving mechanism (22) being mounted on the connecting frame (211).
6. The auxiliary film taking mechanism according to claim 5, wherein: the vacuum suction assembly (24) is located in the connecting frame (211), and the connecting frame (211) is fixed with a bearing (2111), and the rotating shaft (23) penetrates through the bearing (2111).
7. The auxiliary film taking mechanism according to claim 5, wherein: the frame (1) comprises two groups of supports (12), and the two groups of supports (12) are located on the opposite sides of the connecting frame (211), each group of supports (12) is fixed with the guide rail (11), and the opposite sides of the connecting frame (211) are fixed with the sliding blocks (212) matched with the guide rail (11).
8. The auxiliary film taking mechanism according to claim 7, wherein: The first driving mechanism (3) is arranged between the connecting frame (211) and one of the groups of the supports (12).
9. A sheet retrieval system characterized by, The film taking system further comprises: The pole piece clip (4) is arranged below the film taking device (2).
10. The film taking system according to claim 9, wherein: The film taking system further comprises at least two film blowing structures arranged on opposite sides of the pole piece clip (4). The pole piece clip (4) has a film taking opening, and each of the opposite inner side walls of the film taking opening is provided with a brush.