Pole piece conveying mechanism of lithium battery winding machine

Abstract

The utility model discloses a pole piece conveying mechanism of a lithium battery winding machine. The pole piece conveying mechanism comprises a frame seat, a conveying roller group, an upper guide plate, a lower guide plate and a position adjusting module, wherein the conveying roller group is used for conveying; the upper guide plate and the lower guide plate are respectively used for limiting and guiding a positive pole piece and a negative pole piece which are conveyed; the upper guide plate and the lower guide plate are both obliquely arranged on one side of the frame base, and the upper guide plate and the lower guide plate are arranged in a central symmetry mode; the upper guide plate and the lower guide plate are each provided with a specification adaptation module. The specification adaptation modules are respectively matched with the corresponding upper guide plate and the lower guide plate to respectively form guide channels adaptive to the positive pole piece and the negative pole piece; the conveying roller set is arranged at one end of the upper guide plate and one end of the lower guide plate. The position adjusting module is installed on the frame base and connected with the upper guide plate and the lower guide plate. The positive and negative pole piece conveying device not only can accurately convey positive and negative pole pieces with different specifications in an alignment manner, but also can remove dust attached in the feeding process of the positive and negative pole pieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lithium battery production equipment, especially relates to a lithium battery winding machine's pole piece conveying mechanism. BACKGROUND

[0002] The lithium battery winding machine is the key equipment for winding the positive pole piece, the negative pole piece and the diaphragm into the electric core according to the specific structure in the lithium battery manufacturing process.

[0003] The current lithium battery winding machine usually adopts the manual feeding mode to send the material to the winding mechanism for processing, but manual feeding can cause the positive and negative pole piece feeding inaccuracy, deviation, and further affect the subsequent processing, seriously affect the quality of the product, if the conveying mechanism with fixed structure and position is used for conveying, only single specification positive and negative pole piece can be conveyed, and the conveying needs of different specifications of positive and negative pole pieces cannot be met, and the positive and negative pole pieces are also easy to attach dust in the feeding process. SUMMARY

[0004] The utility model aims at overcoming the insufficient of prior art, provide a kind of pole piece conveying mechanism of lithium battery winding machine, the pole piece conveying mechanism not only can accurately convey different specifications of positive and negative pole piece, and also can remove the dust attached in the feeding process of positive and negative pole piece.

[0005] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is:

[0006] A pole piece conveying mechanism of a lithium battery winding machine, comprising a frame, a conveying roller group for driving the positive and negative pole pieces, an upper guide plate and a lower guide plate for limiting and guiding the conveyed positive and negative pole pieces, respectively, and a position adjustment module for adjusting the position of the upper and lower guide plates.

[0007] The upper and lower guide plates are inclinedly arranged on one side of the frame, and the upper and lower guide plates are centrally symmetrically arranged; the upper and lower guide plates are each provided with a specification adaptation module;

[0008] The specification adaptation modules are respectively matched with the corresponding upper and lower guide plates to form a guide channel adapted to the positive and negative pole pieces, respectively.

[0009] The conveying roller group is arranged at one end of the upper and lower guide plates.

[0010] The position adjustment module is installed on the frame and connected with the upper and lower guide plates, respectively.

[0011] In the technical solution, the specification adaptation modules are matched with the corresponding upper guide plates and lower guide plates respectively, and guide channels for adapting the positive and negative electrode plates are formed respectively, even if the specifications of the positive and negative electrode plates change, the corresponding guide channels can be adjusted by adjusting the corresponding specification adaptation modules, so that the guide channels adapt to the corresponding positive and negative electrode plates, and the corresponding positive and negative electrode plates are guided. Further, the positions of the corresponding upper guide plates and lower guide plates are adjusted by the position adjusting module, so that the guide channel of the positive electrode plate is aligned with the guide channel of the negative electrode plate, thereby accurately conveying positive and negative electrode plates of different specifications.

[0012] Further, the upper guide plate and the lower guide plate are inclinedly arranged on one side of the frame seat through the sliding support assembly.

[0013] Further, the sliding support assembly comprises a sliding rail seat, a sliding rail, a sliding block, a first connecting seat;

[0014] The sliding rail seat is arranged on one side of the frame seat;

[0015] The sliding rail is arranged on the sliding rail seat;

[0016] The sliding block is slidably arranged on the sliding rail;

[0017] The upper guide plate and the lower guide plate are connected with the respective sliding blocks through the respective first connecting seats, so as to move along the extension direction of the respective sliding rails.

[0018] Further, the position adjusting module is arranged between the corresponding two sliding support assemblies, and comprises a lead screw, a nut, a bearing, a second connecting seat, a driving motor and a position adjusting seat;

[0019] The position adjusting seat is mounted on the frame seat;

[0020] The lead screw is mounted on the position adjusting seat through the bearing;

[0021] The nut is connected with the lead screw;

[0022] The upper guide plate and the lower guide plate are connected with the respective sliding blocks through the respective second connecting seats, so as to move along the extension direction of the respective lead screws;

[0023] The driving motor is connected with the lead screw to drive the lead screw to rotate.

[0024] Further, the specification adaptation module comprises a baffle and an adjusting assembly;

[0025] The baffle is arranged in the corresponding upper guide plate and lower guide plate respectively, the length of the baffle is consistent with the length of the upper guide plate and the lower guide plate, and the baffle is provided with an adjusting structure;

[0026] The adjusting assembly and the adjusting structure cooperate to adjust the positions of the corresponding baffle plates in the corresponding upper guide plates and lower guide plates, so as to cooperate with the corresponding upper guide plates and lower guide plates respectively to form the guide channels suitable for the positive and negative electrode plates respectively.

[0027] Further, the adjusting structure is an array of elliptical holes distributed along the length direction of the baffle plate.

[0028] The adjusting assembly is a bolt-nut assembly, each of which cooperates with each of the elliptical holes in the array of elliptical holes to adjust the positions of the corresponding baffle plates in the corresponding upper guide plates and lower guide plates.

[0029] Further, the baffle plate has a cross section in the shape of "L".

[0030] Further, the upper guide plate and the lower guide plate are each provided with a dust suction cavity, and the upper guide plate and the lower guide plate are each provided with a dust suction hole communicating the dust suction cavity and the guide channel.

[0031] The dust collector is mounted on the frame.

[0032] The dust collector communicates with the dust suction cavities of the upper guide plate and the lower guide plate.

[0033] Further, the dust suction holes are arranged at the bottom and the side edge of the guide channel.

[0034] Further, the dust suction holes at the side edge of the guide channel are elliptical dust suction holes, and the dust suction holes at the bottom of the guide channel are arranged along the length direction of the guide channel.

[0035] Compared with the prior art, the technical scheme has the following principles and advantages:

[0036] 1. The specification adaptation module cooperates with the corresponding upper guide plate and lower guide plate to form the guide channels suitable for the positive and negative electrode plates respectively. Even if the specifications of the positive and negative electrode plates change, the corresponding specification adaptation module can be adjusted to adjust the width of the corresponding guide channel, so that the guide channel adapts to the corresponding positive and negative electrode plates to guide the corresponding positive and negative electrode plates. Further, the position adjustment module adjusts the positions of the corresponding upper guide plate and lower guide plate, so that the guide channel of the positive electrode plate is aligned with the guide channel of the negative electrode plate, thereby accurately aligning and conveying positive and negative electrode plates of different specifications.

[0037] 2. With the help of a vacuum cleaner, before the positive and negative electrode plates are conveyed and guided (the positive and negative electrode plates are not in the corresponding guide channels), the dust adhering to the guide channels can be sucked away through the suction holes located at the bottom of the guide channels. During the conveying and guiding of the positive and negative electrode plates, the dust adhering to the positive and negative electrode plates can be sucked away again through the suction holes located on the side of the guide channels. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the services required in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the electrode conveying mechanism of a lithium battery winding machine according to an embodiment of the present invention;

[0040] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0041] Figure 3 This is a schematic diagram of a specification adaptation module and an upper guide plate forming a guide channel for adapting to positive electrode sheets in an electrode sheet conveying mechanism of a lithium battery winding machine according to an embodiment of the present invention.

[0042] Figure label:

[0043] 1-Frame; 2-Conveying roller assembly; 3-Upper guide plate; 4-Lower guide plate; 5-Position adjustment module; 6-Baffle; 7-Adjustment component; 8-Guide channel; 9-Sliding support component; 10-Elliptical hole array; 11-Dust suction hole; 12-Positive electrode input platform; 13-Negative electrode input platform. Detailed Implementation

[0044] The present invention will be further described below with reference to specific embodiments:

[0045] like Figures 1 to 3 As shown, the electrode conveying mechanism of a lithium battery winding machine described in this embodiment includes a frame 1, a conveying roller group 2 for driving the conveying of positive electrode and negative electrode, an upper guide plate 3 and a lower guide plate 4 for limiting and guiding the conveyed positive electrode and negative electrode respectively, a position adjustment module 5 for adjusting the position of the upper guide plate 3 and the lower guide plate 4, and a sliding support assembly 9.

[0046] The upper guide plate 3 and the lower guide plate 4 are both obliquely arranged on one side of the frame base 1 through the sliding support assembly 9, and the upper guide plate 3 and the lower guide plate 4 are centrally symmetrically arranged; the upper guide plate 3 and the lower guide plate 4 are both provided with adjustable specification adaptation modules; the specification adaptation modules are respectively matched with the corresponding upper guide plate 3 and the lower guide plate 4, and respectively form the guide channels 8 for adapting the positive and negative electrode plates. The high end of the upper guide plate 3 is connected with the positive electrode plate input platform 12, and the low end of the lower guide plate 4 is connected with the negative electrode plate input platform 13.

[0047] The conveying roller group 2 is arranged at one end of the upper guide plate 3 and the lower guide plate 4.

[0048] The position adjusting module 5 is installed on the frame base 1 and connected with the upper guide plate 3 and the lower guide plate 4.

[0049] Specifically, in the embodiment, the sliding support assembly 9 includes a sliding rail seat, a sliding rail, a sliding block, a first connecting seat; the sliding rail seat is arranged on one side of the frame base 1; the sliding rail is arranged on the sliding rail seat; the sliding block is slidingly arranged on the sliding rail; the upper guide plate 3 and the lower guide plate 4 are both connected with the respective sliding blocks through the respective first connecting seats, so as to move along the extension direction of the respective sliding rails.

[0050] Specifically, in the embodiment, the position adjusting module 5 is arranged between the corresponding two sliding support assemblies 9 and includes a lead screw, a nut, a bearing, a second connecting seat, a driving motor and a position adjusting seat; the position adjusting seat is installed on the frame base 1; the lead screw is installed on the position adjusting seat through the bearing; the nut is connected with the lead screw; the upper guide plate 3 and the lower guide plate 4 are both connected with the respective sliding blocks through the respective second connecting seats, so as to move along the extension direction of the respective lead screws; the driving motor (not shown) is arranged in the frame base and connected with the lead screw to drive the lead screw to rotate.

[0051] Specifically, in the embodiment, the specification adaptation module includes a baffle 6 and an adjusting assembly 7; the baffle 6 is respectively arranged in the corresponding upper guide plate 3 and the lower guide plate 4, the length of the baffle 6 is consistent with the length of the upper guide plate 3 and the lower guide plate 4, and the baffle 6 is provided with an adjusting structure; the adjusting assembly 7 is matched with the adjusting structure to adjust the position of the corresponding baffle 6 in the corresponding upper guide plate 3 and the lower guide plate 4, so as to be matched with the corresponding upper guide plate 3 and the lower guide plate 4 respectively, and respectively form the guide channels 8 for adapting the positive and negative electrode plates.

[0052] In the above, the adjusting structure is an array of elliptical holes 10 distributed along the length direction of the baffle 6; the adjusting assembly 7 is a bolt and nut assembly, each bolt and nut assembly is matched with each elliptical hole in the array of elliptical holes 10 to adjust the position of the corresponding baffle 6 in the corresponding upper guide plate 3 and the lower guide plate 4.

[0053] The cross section of the baffle 6 is in the shape of “L”.

[0054] In addition, in the embodiment, the inner part of the upper guide plate 3 and the lower guide plate 4 is provided with a dust suction cavity, and the upper guide plate 3 and the lower guide plate 4 are provided with a dust suction hole 11 which communicates the dust suction cavity and the guide channel 8; a dust collector (not shown) is installed on the frame 1; the dust collector communicates with the dust suction cavity of the upper guide plate 3 and the dust suction cavity of the lower guide plate 4.

[0055] In the above, the dust suction hole 11 is arranged at the bottom of the guide channel 8 and the side away from the baffle. The dust suction hole 11 located at the side of the guide channel 8 is an elliptical dust suction hole 11, and the dust suction hole 11 located at the bottom of the guide channel 8 is arranged along the length direction of the guide channel 8.

[0056] The working principle of the embodiment is as follows:

[0057] First, after loosening the nut in the bolt-nut assembly, the baffle 6 is pushed to displace along the length direction of the elliptical hole in the elliptical hole array 10, and after adjusting the positions of the corresponding baffles 6 in the corresponding upper guide plate 3 and lower guide plate 4, the nut in the bolt-nut assembly is tightened, thereby forming the guide channel 8 which is adapted to the positive and negative electrode plates.

[0058] Then, the driving motor in the position adjusting module 5 works to drive the screw rod to rotate, and under the cooperation of the nut and the second connecting seat, the corresponding upper guide plate 3 and lower guide plate 4 are driven to move along the extension direction of the respective screw rods (adopting the screw rod transmission principle to convert the rotary motion into linear motion), so that the guide channel 8 of the positive electrode plate is aligned with the guide channel 8 of the negative electrode plate, thereby realizing accurate alignment and conveying different specifications of positive and negative electrode plates.

[0059] In the embodiment, the sliding support assembly 9 plays a role of supporting the corresponding upper guide plate 3 and lower guide plate 4 and assisting the position adjusting module 5 to adjust the position of the corresponding upper guide plate 3 and lower guide plate 4, specifically, through the sliding cooperation of the sliding block and the sliding rail, the resistance encountered by the position adjusting module 5 in adjusting the position of the corresponding upper guide plate 3 and lower guide plate 4 can be reduced.

[0060] In addition, in the embodiment, under the action of the dust collector, the dust adhering to the guide channel 8 can be sucked away through the dust suction hole 11 located at the bottom of the guide channel 8 before conveying and guiding the positive and negative electrode plates (the positive and negative electrode plates are not in the corresponding guide channel 8). In the process of conveying and guiding the positive and negative electrode plates, the dust adhering to the positive and negative electrode plates can be sucked away through the dust suction hole 11 located at the side of the guide channel 8.

[0061] The electrode plate conveying mechanism described in the embodiment not only can accurately align and convey different specifications of positive and negative electrode plates, but also can remove the dust adhering to the positive and negative electrode plates during feeding.

[0062] The above-mentioned embodiments are only the preferred embodiments of the present application, and are not intended to limit the scope of the present application, so that any changes made according to the shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An electrode conveying mechanism for a lithium battery winding machine, characterized in that, It includes a frame, a set of conveying rollers for driving the conveying of positive and negative electrode sheets, an upper guide plate and a lower guide plate for limiting and guiding the conveyed positive and negative electrode sheets respectively, and a position adjustment module for adjusting the position of the upper guide plate and the lower guide plate. Both the upper guide plate and the lower guide plate are inclinedly arranged on one side of the frame, and the upper guide plate and the lower guide plate are symmetrically arranged at the center; both the upper guide plate and the lower guide plate are provided with adjustable specification adapter modules. The specification adaptation module cooperates with the corresponding upper guide plate and lower guide plate to form guide channels for adapting the positive electrode sheet and the negative electrode sheet, respectively. The conveying roller assembly is located at one end of the upper guide plate and the lower guide plate; The position adjustment module is mounted on the frame and connected to the upper guide plate and the lower guide plate respectively.

2. The electrode conveying mechanism of a lithium battery winding machine according to claim 1, characterized in that, Both the upper guide plate and the lower guide plate are inclinedly mounted on one side of the frame via a sliding support assembly.

3. The electrode conveying mechanism of a lithium battery winding machine according to claim 2, characterized in that, The sliding support assembly includes a slide rail base, a slide rail, a slider, and a first connecting base; The slide rail seat is located on one side of the frame; The slide rail is mounted on the slide rail base; The slider is slidably mounted on the slide rail; The upper guide plate and the lower guide plate are both connected to their respective sliders via their respective first connecting seats, thereby moving along the extension direction of their respective slide rails.

4. The electrode conveying mechanism of a lithium battery winding machine according to claim 2 or 3, characterized in that, The position adjustment module is disposed between two corresponding sliding support components and includes a lead screw, a nut, a bearing, a second connecting seat, a drive motor, and a position adjustment seat; The position adjustment seat is mounted on the frame; The lead screw is mounted on the position adjustment seat via bearings; The nut is connected to the lead screw; The upper guide plate and the lower guide plate are both connected to their respective sliders through their respective second connecting seats, so as to move along the extension direction of their respective lead screws; The drive motor is connected to the lead screw and drives the lead screw to rotate.

5. The electrode conveying mechanism of a lithium battery winding machine according to claim 1, characterized in that, The specification adaptation module includes a baffle and an adjustment component; The baffles are respectively installed in the corresponding upper guide plate and lower guide plate, and their length is the same as that of the upper guide plate and lower guide plate. The baffles are provided with an adjustment structure. The adjustment components and adjustment structures work together to adjust the positions of the corresponding baffles within the corresponding upper and lower guide plates, thereby cooperating with the corresponding upper and lower guide plates to form guide channels adapted to the positive and negative electrode sheets.

6. The electrode conveying mechanism of a lithium battery winding machine according to claim 5, characterized in that, The adjustment structure is an array of elliptical holes distributed along the length of the baffle; The adjustment component is a bolt and nut assembly. Each bolt and nut assembly cooperates with each elliptical hole in the elliptical hole array to adjust the position of the corresponding baffle in the corresponding upper guide plate and lower guide plate.

7. The electrode conveying mechanism of a lithium battery winding machine according to claim 5 or 6, characterized in that, The cross-section of the baffle is "L" shaped.

8. The electrode conveying mechanism of a lithium battery winding machine according to claim 1, characterized in that, Both the upper guide plate and the lower guide plate are provided with dust collection cavities inside, and both the upper guide plate and the lower guide plate are provided with dust collection holes that connect their respective dust collection cavities and guide channels. A vacuum cleaner is installed on the frame; The vacuum cleaner is connected to the suction cavity of the upper guide plate and the suction cavity of the lower guide plate.

9. The electrode conveying mechanism of a lithium battery winding machine according to claim 8, characterized in that, The dust extraction holes are located at the bottom and sides of the guide channel.

10. The electrode conveying mechanism of a lithium battery winding machine according to claim 9, characterized in that, The dust suction holes located on the side of the guide channel are elliptical, while the dust suction holes located at the bottom of the guide channel are arranged along the length of the guide channel.

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