Pole lug metal strap beveling equipment

Abstract

The utility model belongs to the technical field of tab processing, and particularly relates to tab metal strap beveling equipment which comprises an unwinding mechanism, a leveling device, a stepping device, a cleaning device and a winding mechanism which are sequentially arranged, and an edge cutting device, an edge pressing device and an edge grinding device are further sequentially arranged between the stepping device and the cleaning device. A tab metal belt sequentially passes through the stepping device, the leveling device, the edge cutting device, the edge pressing device, the edge grinding device and the cleaning device and is finally wound by the winding mechanism, and the tab metal belt passes through the edge cutting device, the edge pressing device and the edge grinding device to realize automatic edge chamfering work, so that edge grinding processing of the tab metal belt is realized, burrs are effectively prevented from being generated, and the production efficiency of the tab metal belt is improved. And in the process, the machining operation of rolling or grinding the tab metal belt in the traditional edge grinding machining process is not needed, errors are reduced to a great extent, the edge grinding accuracy of the tab metal belt can be remarkably improved, and the qualified rate of finished tabs is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tab processing, in particular to a tab metal strip chamfering device. Background Art

[0002] Tabs are a raw material for lithium-ion polymer battery products. Common mobile phone batteries, Bluetooth batteries, laptop batteries, etc. all need tabs. With the rapid development of the new energy industry, lithium-ion batteries are also widely used in the new energy industry. Tabs are a raw material for lithium-ion polymer battery products. As one of the materials for lithium-ion power batteries, tabs are also developing in the direction of being wider, thicker, and requiring higher requirements. After the hot pressing process, the tab metal strip needs to be chamfered. If the chamfering is not done, the four corners of the tab metal strip will pierce the diaphragm and aluminum film during the welding process between the tab metal strip and the battery.

[0003] At present, most of the tab metal strips on the market are chamfered by rolling or grinding. This chamfering method easily causes the tab metal strip to deviate and produce burrs, and the existing chamfering treatment method easily leads to large dimensional errors, which reduces the accuracy of the tab and further leads to a low qualified rate of the finished tab. Therefore, it is necessary to design a chamfering device for the tab metal strip to overcome the shortcomings of the existing technology. Utility Model Content

[0004] The utility model aims to provide a device for chamfering a metal strip of a pole lug, aiming to solve the technical problems in the prior art that the traditional chamfering treatment method is prone to produce burrs, the dimensional error after processing is large, and the qualified rate of the finished pole lug products is low.

[0005] To achieve the above-mentioned purpose, the utility model provides a device for chamfering a metal strip of a pole ear, comprising a reeling mechanism, a leveling device, a stepping device, a cleaning device and a reeling mechanism which are arranged in sequence, and a chamfering device, a pressing device and a grinding device are also arranged in sequence between the stepping device and the cleaning device.

[0006] The edge trimming device comprises an edge trimming workbench and an edge trimming mold arranged on the edge trimming workbench.

[0007] The edge chamfering die is installed on the edge chamfering workbench. The edge chamfering die comprises a die body and an extrusion portion arranged on the inner wall of the die body. A drawing hole is arranged through the die body.

[0008] The edge pressing device includes two edge pressing seats, and a pair of upper edge pressing shafts and lower edge pressing shafts placed up and down are arranged between the two edge pressing seats. Two upper grinding wheels that can move left and right are coaxially arranged on the upper edge pressing shaft, and limiting nuts are respectively arranged on both sides of each upper grinding wheel. Two lower grinding wheels that can move left and right are coaxially arranged on the lower edge pressing shaft, and limiting nuts are respectively arranged on both sides of each lower grinding wheel.

[0009] The edge grinding device comprises an edge grinding workbench, on which two grinding wheels movable left and right are arranged, and an edge grinding mold is arranged between the two grinding wheels.

[0010] The stepping device comprises a stepping motor, an upper stepping roller and a lower stepping roller, wherein the lower stepping roller is connected to the output end of the stepping motor.

[0011] The leveling device comprises at least one set of leveling rollers, and the leveling roller set comprises three transmission rollers, and the three transmission rollers are distributed in a triangle.

[0012] The cleaning device comprises an upper brush roller and a lower brush roller which are arranged one above the other, and the upper brush roller and the lower brush roller are respectively provided with brushes.

[0013] A guide wheel is arranged between the leveling device and the stepping device, and a guide wheel is arranged between the cleaning device and the winding mechanism.

[0014] Beneficial effects of the utility model:

[0015] During use of the utility model, the pole lug metal strip is placed in the unwinding mechanism, and under the traction of the rewinding mechanism, the pole lug metal strip passes through the stepping device, the leveling device, the edge trimming device, the edge pressing device, the edge grinding device and the cleaning device in sequence, and is finally rewinded by the rewinding mechanism. The pole lug metal strip passes through the edge trimming device, the edge pressing device and the edge grinding device to realize automatic chamfering, thereby realizing the edge grinding of the pole lug metal strip, effectively preventing the generation of burrs, and the process does not require the rolling or grinding processing operations of the pole lug metal strip during the traditional edge grinding processing, which greatly reduces the error, can significantly improve the accuracy of the edge grinding of the pole lug metal strip, and effectively improves the qualified rate of the finished pole lug products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the edge trimming die of the utility model.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the edge pressing device of the utility model.

[0019] Figure 4It is a front view of the edge pressing device of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the edge grinding device of the utility model.

[0021] In the figure: 1 - unwinding mechanism; 2 - leveling device; 21 - leveling roller group; 211 - driving roller; 3 - stepping device; 31 - upper stepping roller; 32 - lower stepping roller; 4 - edge trimming device; 41 - edge trimming workbench; 42 - edge trimming mold; 5 - edge pressing device; 51 - edge pressing seat; 52 - upper edge trimming shaft; 53 - lower edge trimming shaft; 54 - upper grinding wheel; 55 - limiting nut; 56 - lower grinding wheel; 6 - edge grinding device; 61 - edge grinding workbench; 62 - grinding wheel; 63 - edge grinding mold; 7 - cleaning device; 71 - upper brush roller; 72 - lower brush roller; 8 - winding mechanism; 9 - guide wheel; 10 - pole ear metal strip. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying 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 present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to the specific circumstances. "

[0026] See Figures 1 to 5 A device for chamfering a metal strip of a tab comprises an unwinding mechanism 1, a leveling device 2, a stepping device 3, a cleaning device 7 and a rewinding mechanism 8 which are arranged in sequence, and an edge trimming device 4, an edge pressing device 5 and an edge grinding device 6 are arranged in sequence between the stepping device 3 and the cleaning device 7.

[0027] Preferably, the edge trimming device 4 includes an edge trimming workbench 41 and an edge trimming mold 42 disposed on the edge trimming workbench 41 .

[0028] Preferably, the edge chamfering die 42 is installed on the edge chamfering workbench 41 , and the edge chamfering die 42 comprises a die body 421 and an extrusion portion arranged on the inner wall of the die body 421 , and a drawing hole 422 is arranged through the die body 421 .

[0029] Preferably, the edge pressing device 5 includes two edge pressing seats 51, and a pair of upper edge pressing shafts 52 and lower edge pressing shafts 53 are arranged between the two edge pressing seats 51. Two upper grinding wheels 54 that can move left and right are coaxially arranged on the upper edge pressing shaft 52, and limit nuts 55 are arranged on both sides of each upper grinding wheel 54, and two lower grinding wheels 56 that can move left and right are coaxially arranged on the lower edge pressing shaft 53, and limit nuts 55 are arranged on both sides of each lower grinding wheel 56. The upper edge pressing shaft 52 and the lower edge pressing shaft 53 can move up and down between the two edge pressing seats 51 to adjust the thickness of the metal strip after edge pressing; the upper grinding wheel 54 and the lower grinding wheel 56 can move left and right to adapt to metal strips of different widths.

[0030] Preferably, the edge grinding device 6 comprises an edge grinding workbench 61 , on which two grinding wheels 62 movable left and right are arranged, and an edge grinding mold 63 is arranged between the two grinding wheels 62 .

[0031] Preferably, the stepping device 3 includes a stepping motor (not shown in the figure), an upper stepping roller 31 and a lower stepping roller 32, and the lower stepping roller 32 is connected to the output end of the stepping motor.

[0032] Preferably, the leveling device 2 includes at least one set of leveling rollers 21 , and the leveling roller set 21 includes three transmission rollers 211 , and the three transmission rollers 211 are distributed in a triangle.

[0033] Preferably, the cleaning device 7 comprises an upper brush roller 71 and a lower brush roller 72 which are arranged one above the other, and the upper brush roller 71 and the lower brush roller 72 are respectively provided with brushes.

[0034] Preferably, a guide wheel 9 is provided between the leveling device 2 and the stepping device 3 , and a guide wheel 9 is provided between the cleaning device 7 and the winding mechanism 8 .

[0035] Working principle: The unchamfered pole lug metal strip 10 is led out from the unwinding mechanism 1, and the bent unchamfered pole lug metal strip 10 is straightened by the leveling device 2, and then guided by the guide wheel 9, the stepping device 3 drives the metal strip to move, the edge trimming device 4 trims the edge of the unchamfered pole lug metal strip 10, the edge pressing device 5 compacts the remaining part after trimming, the edge grinding device 6 grinds off the part extending after compaction, and the cleaning device 7 cleans the dirt remaining on the metal strip after chamfering, and finally the chamfered metal strip is rolled up on the winding device 8 through the guide wheel 9.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for chamfering a metal strip of a tab, comprising an unwinding mechanism, a leveling device, a stepping device, a cleaning device and a winding mechanism arranged in sequence, characterized in that: An edge trimming device, an edge pressing device and an edge grinding device are arranged in sequence between the stepping device and the cleaning device.

2. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: The edge trimming device comprises an edge trimming workbench and an edge trimming mold arranged on the edge trimming workbench.

3. The device for chamfering a metal strip of a tab according to claim 2, characterized in that: The edge chamfering die is installed on the edge chamfering workbench. The edge chamfering die comprises a die body and an extrusion portion arranged on the inner wall of the die body. A drawing hole is arranged through the die body.

4. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: The edge pressing device includes two edge pressing seats, and a pair of upper edge pressing shafts and lower edge pressing shafts placed up and down are arranged between the two edge pressing seats. Two upper grinding wheels that can move left and right are coaxially arranged on the upper edge pressing shaft, and limiting nuts are respectively arranged on both sides of each upper grinding wheel. Two lower grinding wheels that can move left and right are coaxially arranged on the lower edge pressing shaft, and limiting nuts are respectively arranged on both sides of each lower grinding wheel.

5. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: The edge grinding device comprises an edge grinding workbench, on which two grinding wheels movable left and right are arranged, and an edge grinding mould is arranged between the two grinding wheels.

6. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: The stepping device comprises a stepping motor, an upper stepping roller and a lower stepping roller, wherein the lower stepping roller is connected to the output end of the stepping motor.

7. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: The leveling device comprises at least one set of leveling rollers, and the leveling roller set comprises three transmission rollers, and the three transmission rollers are distributed in a triangle.

8. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: The cleaning device comprises an upper brush roller and a lower brush roller which are arranged one above the other, and the upper brush roller and the lower brush roller are respectively provided with brushes.

9. The device for chamfering a metal strip of a tab according to claim 1, characterized in that: A guide wheel is arranged between the leveling device and the stepping device, and a guide wheel is arranged between the cleaning device and the winding mechanism.

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