Dust collection device for pole piece cutting and pole piece cutting system

Abstract

The embodiment of the utility model provides a dust collection device for pole piece cutting and a pole piece cutting system, and relates to the field of lithium battery manufacturing. The dust collection device for pole piece cutting comprises an outer box body, an inner box body and a dust collection pipe, wherein a feeding port, a discharging port and a first operation port are formed in the outer box body, the feeding port and the discharging port are oppositely arranged and used for inputting and outputting pole pieces, and the first operation port is located between the feeding port and the discharging port and used for containing the cutting device; the inner box body is contained in the outer box body, one end of the inner box body is open and faces the pole piece, one end of the dust suction pipe is communicated with the inner box body, and the other end of the dust suction pipe penetrates through the first operation opening. In the operation process, the pole piece can enter the outer box body through the feeding port, the cutting device penetrates through the first operation port to cut the pole piece, the inner box body and the outer box body can conduct double-layer blocking on generated dust so as to reduce dust overflow, the dust suction pipe is used for efficiently adsorbing the dust, and then the dust suction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery manufacturing, specifically, relate to a dust collection device and pole piece cutting system for pole piece cutting. BACKGROUND

[0002] In the lithium battery manufacturing process, usually need to cut the pole piece operation. But in the cutting process will produce a large amount of dust, the existing dust collection device can absorb a certain amount of dust, but because the existence of cutting device makes dust collection efficiency is limited, inevitably there is a part of dust overflow problem. UTILITARY MODEL CONTENTS

[0003] The utility model provides a dust collection device and pole piece cutting system for pole piece cutting, it can avoid the cutting device through the first operation mouth, and reduces dust overflow through the cooperation of inner box and outer box, then by dust absorption pipe carries out efficient adsorption, and then improves dust collection efficiency.

[0004] The embodiment of the utility model can be realized as follows:

[0005] The embodiment of the utility model provides a dust collection device for pole piece cutting, it includes:

[0006] Outer box, inner box and dust absorption pipe;

[0007] Among them, the outer box is formed with inlet, outlet and first operation mouth, the inlet and the outlet are oppositely arranged and are used to input and output pole piece, the first operation mouth is located between the inlet and the outlet and is used to accommodate cutting device;

[0008] The inner box is accommodated in the outer box, one end of the inner box is open and is arranged towards the pole piece, one end of the dust absorption pipe is communicated with the inner box, and the other end is arranged in the first operation mouth.

[0009] Optionally, the dust collection device for pole piece cutting further includes a blowing piece, the blowing piece and the dust absorption pipe are respectively communicated with both ends of the inner box.

[0010] Optionally, the second operation mouth is formed on the inner box, and the second operation mouth is communicated with the first operation mouth and is used to pass through the cutting device.

[0011] Optionally, the opening area of the second operation mouth is less than the opening area of the first operation mouth.

[0012] Optionally, the dust collection device for pole piece cutting further includes a support plate, and the support plate is used to abut against the pole piece.

[0013] Optionally, the support plate is provided with hollow holes, and two groups of the inner box bodies are arranged on the two sides of the support plate.

[0014] Optionally, the dust collection device for the pole piece cutting comprises a transmission member, and at least part of the transmission member is accommodated in the outer box body and used for transmitting the pole piece.

[0015] Optionally, the transmission member comprises a transmission roller, a transmission driving source, a pressing roller and a pressing driving source, the transmission roller and the pressing roller are used for abutting the two sides of the pole piece, the transmission driving source is in driving connection with the transmission roller and located outside the outer box body, and the pressing driving source is in driving connection with the pressing roller and located outside the outer box body.

[0016] Optionally, the number of the transmission members is two groups, and the two groups of the transmission members are respectively located inside the inlet and inside the outlet.

[0017] The embodiment of the utility model also provides a pole piece cutting system, comprising:

[0018] the dust collection device for the pole piece cutting;

[0019] The cutting device is arranged in the first operation port and used for cutting the pole piece.

[0020] The dust collection device for the pole piece cutting and the pole piece cutting system have the beneficial effects, for example:

[0021] The dust collection device for the pole piece cutting comprises an outer box body, an inner box body and a dust collection pipe, wherein the outer box body is provided with an inlet, an outlet and a first operation port, the inlet and the outlet are oppositely arranged and used for inputting and outputting the pole piece, the first operation port is located between the inlet and the outlet and used for accommodating the cutting device, the inner box body is accommodated in the outer box body, one end of the inner box body is open and faces the pole piece, one end of the dust collection pipe is communicated with the inner box body, and the other end is arranged in the first operation port.

[0022] The pole piece cutting system comprises the cutting device and the dust collection device for the pole piece cutting, the cutting device is arranged in the first operation port and used for cutting the pole piece, and the pole piece cutting system has all the functions of the dust collection device for the pole piece cutting. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, based on the embodiments in the present application, all other embodiments obtained without creative labor are within the scope of protection of the present application.

[0024] Figure 1 The overall structure schematic diagram of the dust collection device for pole piece cutting provided in the embodiments of the present application is shown in the figure.

[0025] Figure 2 The partial structure schematic diagram of the dust collection device for pole piece cutting provided in the embodiments of the present application is shown in the figure.

[0026] Figure 3 The partial cross-section schematic diagram of the dust collection device for pole piece cutting provided in the embodiments of the present application is shown in the figure.

[0027] Figure 4 The overall structure schematic diagram of the pole piece cutting system provided in the embodiments of the present application is shown in the figure.

[0028] Icon: 100 - dust collection device for pole piece cutting; 110 - outer box body; 111 - inlet; 112 - outlet; 113 - first operation port; 120 - inner box body; 121 - second operation port; 130 - dust collection pipe; 140 - blowing piece; 150 - support plate; 151 - hollow hole; 160 - transmission piece; 161 - transmission roller; 162 - transmission driving source; 163 - pressing roller; 164 - pressing driving source; 200 - cutting device; 300 - pole piece; 1000 - pole piece cutting system. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that like reference numerals and letters refer to like items in the several views, and that no further delineation thereof is needed.

[0032] In the description of the utility model, it needs to be explained that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the utility model product is used, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0033] In addition, if the terms "first", "second" and the like are used only to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] The terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article or device comprising the element.

[0035] Unless otherwise explicitly specified and limited, the terms "provide", "connect" and the like should be broadly understood, for example, "connect" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0037] As mentioned in the background, in the lithium battery manufacturing process, the pole piece 300 usually needs to be cut. But a lot of dust will be produced in the cutting process, and the existing dust collection device can absorb a certain amount of dust, but because of the existence of the cutting device 200, the dust collection efficiency is limited, and there is inevitably a problem of partial dust overflow.

[0038] Please refer to Figure 1 and Figure 4The dust suction device 100 for pole piece cutting and the pole piece cutting system 1000 provided in the embodiment of the utility model can solve the above problems, and the following will be described in detail.

[0039] Reference Figure 1 And Figure 3 The dust suction device 100 for pole piece cutting is applied to the pole piece cutting system 1000, the dust suction device 100 for pole piece cutting includes an outer box body 110, an inner box body 120 and a dust suction pipe 130, wherein the outer box body 110 is formed with an inlet 111, an outlet 112 and a first operation port 113, the inlet 111 and the outlet 112 are oppositely arranged and used for inputting and outputting the pole piece 300, and the first operation port 113 is located between the inlet 111 and the outlet 112 and used for accommodating the cutting device 200; the inner box body 120 is accommodated in the outer box body 110, one end of the inner box body 120 is open and faces the pole piece 300, one end of the dust suction pipe 130 is communicated with the inner box body 120, and the other end is arranged in the first operation port 113.

[0040] In the operation process, the pole piece 300 can enter the outer box body 110 through the inlet 111, the cutting device 200 is arranged in the first operation port 113 to cut the pole piece 300, the inner box body 120 and the outer box body 110 can double-layer block the generated dust to reduce the dust overflow, and the dust suction pipe 130 is used for high-efficiency adsorption of the dust, thereby improving the dust suction efficiency.

[0041] In the embodiment, the outer box body 110 and the inner box body 120 are both in the cuboid structure; of course, in other embodiments of the utility model, the outer box body 110 and the inner box body 120 can also be in the cylindrical structure, the prism structure and the like, the outer shapes of the two can also be inconsistent, and the specific outer shape of the two is not limited.

[0042] In the embodiment, the inlet 111 and the outlet 112 are both in the strip shape, thereby facilitating the input and output of the thin piece with a certain width.

[0043] Reference Figure 2 In order to provide a certain supporting force for the pole piece 300 and avoid excessive tension of the pole piece 300 in the cutting process, the dust suction device 100 for pole piece cutting can further include a supporting plate 150, and the supporting plate 150 is used for abutting against the pole piece 300.

[0044] And, the support plate 150 is formed with a hollow hole 151, and two groups of inner box bodies 120 are arranged on both sides of the support plate 150, and the two groups of inner box bodies 120 are located on the upper side and the lower side of the cut pole piece 300 respectively. During the cutting process, most of the dust will flow to the upper side, but there is still a small part of the dust flowing to the lower side, and by arranging the two groups of inner box bodies 120, the adsorption degree of the dust can be improved as much as possible.

[0045] With reference to Figure 2 , the dust collection device 100 for pole piece cutting further comprises a blowing piece 140, and the blowing piece 140 and the dust collection pipe 130 are respectively communicated with two ends of the inner box body 120.

[0046] Specifically, the blowing piece 140 can be a wind knife, which is used to provide a positive pressure from one end of the inner box body 120, so that the generated dust can flow towards the dust collection pipe 130, and then be sucked away under the negative pressure effect of the dust collection pipe 130.

[0047] With reference to Figure 2 , in order to ensure that the dust generated by cutting gathers in the inner cavity of the inner box body 120 as much as possible, the second operation port 121 can be formed on the inner box body 120, and the second operation port 121 is communicated with the first operation port 113 and used for penetrating the cutting device 200.

[0048] And, in order to reduce the amount of dust overflowing from the inner cavity of the inner box body 120 to the outer box body 110, the opening area of the second operation port can be smaller than the opening area of the first operation port 113.

[0049] In the embodiment, the second operation port 121 is in a strip shape, which facilitates the strip-shaped blade on the cutting device 200 to be put in and taken out; of course, in other embodiments of the utility model, the second operation port 121 can also be in a circular shape, a fan shape, a rectangular shape or other shapes, and the specific shape of the second operation port 121 is not limited.

[0050] With reference to Figure 1 and Figure 3 , in order to improve the moving efficiency of the pole piece 300 before and after the cutting operation, the dust collection device 100 for pole piece cutting can comprise a transmission piece 160, and at least part of the transmission piece 160 is accommodated in the outer box body 110 and used for transmitting the pole piece 300.

[0051] In the embodiment, the number of transmission pieces 160 is two groups, and the two groups of transmission pieces 160 are respectively located on the inner side of the feeding port 111 and the inner side of the discharging port 112. Of course, in other embodiments of the utility model, the number of transmission pieces 160 can also be one, three or four groups, and the specific arrangement position and number of each group of transmission pieces 160 are not limited.

[0052] Specifically, the conveying member 160 comprises a conveying roller 161, a conveying driving source 162, a pressing roller 163 and a pressing driving source 164, the conveying roller 161 and the pressing roller 163 are used to abut against two sides of the pole piece 300, the conveying driving source 162 is in driving connection with the conveying roller 161 and is located outside the outer box body 110, and the pressing driving source 164 is in driving connection with the pressing roller 163 and is located outside the outer box body 110.

[0053] It should be noted that the pressing driving source 164 is used to increase the rotating power to drive the conveying roller 161 to rotate, and the pole piece 300 is driven to flow from the feeding port 111 to the discharging port 112 through the friction between the conveying roller 161 and the pole piece 300. The pressing driving source 164 is used to provide linear movement power to drive the pressing roller 163 to approach or move away from the conveying roller 161, so that the pole piece 300 is abutted between the pressing roller 163 and the conveying roller 161, thereby improving the transmission and cutting stability of the pole piece 300, and avoiding the pole piece 300 from vibrating during the transmission and cutting process.

[0054] It should be noted that the conveying driving source 162 can be a rotary electric cylinder, a rotary pneumatic cylinder or a rotary hydraulic cylinder, and the specific power form of the conveying driving source 162 is not limited; similarly, the pressing driving source 164 can be a linear electric cylinder, a linear pneumatic cylinder or a linear hydraulic cylinder, and the specific power form of the pressing driving source 164 is not limited.

[0055] Reference Figure 1 and Figure 4 The embodiment of the utility model further provides a pole piece cutting system 1000, including: cutting device 200 and dust collection device 100 for pole piece cutting, wherein the cutting device 200 is arranged in the first operation port 113 and is used for cutting the pole piece 300. In operation, the cutting edge of the cutting device 200 is used to extend into the inner cavity of the inner box body 120, and the cutting operation on the pole piece 300 is realized by contacting the pole piece 300, and the pole piece cutting system 1000 has all the functions of the dust collection device 100 for pole piece cutting.

[0056] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A dust extraction device for electrode cutting, characterized by, The application relates to a dust collection device for cutting a pole piece. The dust collection device for cutting a pole piece comprises an outer box body (110), an inner box body (120) and a dust collection pipe (130). The outer box body (110) is provided with an inlet (111), an outlet (112) and a first operation opening (113), the inlet (111) and the outlet (112) are oppositely arranged and used for inputting and outputting pole pieces (300), and the first operation opening (113) is located between the inlet (111) and the outlet (112) and used for accommodating a cutting device (200). The inner box body (120) is accommodated in the outer box body (110), one end of the inner box body (120) is open and faces the pole pieces (300), one end of the dust collection pipe (130) is communicated with the inner box body (120), and the other end of the dust collection pipe (130) penetrates through the first operation opening (113).

2. The dust extraction device for pole piece cutting according to claim 1, characterized in that, The dust collection device for cutting a pole piece further comprises a blowing piece (140), the blowing piece (140) and the dust collection pipe (130) are respectively communicated with two ends of the inner box body (120).

3. The dust extraction device for pole piece cutting according to claim 1, characterized in that, The inner box body (120) is provided with a second operation opening (121), the second operation opening (121) is communicated with the first operation opening (113) and used for penetrating the cutting device (200).

4. The dust extraction device for pole piece cutting according to claim 3, characterized in that, The opening area of the second operation opening (121) is smaller than that of the first operation opening (113).

5. The dust extraction device for pole piece cutting of claim 1, wherein, The dust collection device for cutting a pole piece further comprises a support plate (150), and the support plate (150) is used for abutting against the pole pieces (300).

6. The dust extraction device for pole piece cutting according to claim 5, characterized in that The support plate (150) is provided with hollow holes (151), and two groups of the inner box bodies (120) are respectively arranged on two sides of the support plate (150).

7. Dust extraction device for pole piece cutting according to any one of claims 1-6, characterized in that, The dust collection device for cutting a pole piece comprises a transmission member (160), and at least part of the transmission member (160) is accommodated in the outer box body (110) and used for transmitting the pole pieces (300).

8. The dust extraction device for pole piece cutting according to claim 7, characterized in that, The transmission member (160) comprises a transmission roller (161), a transmission driving source (162), a pressing roller (163) and a pressing driving source (164), the transmission roller (161) and the pressing roller (163) are used for abutting against two sides of the pole pieces (300), the transmission driving source (162) is in transmission connection with the transmission roller (161) and located outside the outer box body (110), and the pressing driving source (164) is in transmission connection with the pressing roller (163) and located outside the outer box body (110).

9. The dust extraction device for pole piece cutting of claim 7, wherein, The number of the transmission members (160) is two, and two groups of the transmission members (160) are respectively located inside the inlet (111) and inside the outlet (112).

10. A pole piece cutting system (1000), characterized by, The application further relates to a cutting device (200) and the dust collection device for cutting a pole piece. The cutting device (200) penetrates through the first operation opening (113) and is used for cutting the pole pieces (300). ​

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