Hobbing device for battery pole piece production

Abstract

The utility model relates to the technical field of hobbing, and discloses a hobbing device for battery pole piece production, which comprises a bottom plate and a gear motor, the upper side of the bottom plate is fixedly provided with a mounting plate and two support plates which are symmetrically distributed left and right, and a main rubber roller and a main smooth roller are rotatably arranged between the support plates; a transmission assembly used for connecting the main rubber roller and the main smooth roller is installed between the right supporting plate and the installation plate. The upper side of the main smooth roller abuts against a hobbing die, the upper side of the main rubber roller abuts against an auxiliary rubber roller, first bearing seats are rotationally installed at the two ends of the hobbing die, and second bearing seats are rotationally installed at the two ends of the auxiliary rubber roller. A first pressing mechanism used for pressing the first bearing seat and a second pressing mechanism used for pressing the second bearing seat are installed above the supporting plate. Pole piece materials can be smoothly guided and conveyed out by the main rubber roller and the auxiliary rubber roller after being rolled and cut, the structure integration degree is high, compactness and reasonability are achieved, and the smoothness of the pole piece rolling and cutting procedure can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rolling cutting, in particular to a rolling cutting device for producing battery pole pieces. Background Art

[0002] In the cutting and stacking process, in order to improve the cutting efficiency of the electrode materials (including positive electrode materials and negative electrode materials), rotary cutting is often used to improve the production efficiency of battery electrodes.

[0003] The rolling cutting device currently used mainly includes a reduction motor, a rolling cutting die and a smooth roller. The smooth roller is rotatably installed between a pair of support plates, the rolling cutting die is located above the smooth roller, and bearing seats are rotatably installed at both ends of the rolling cutting die. The bearing seats are installed on the support plates through screws and nuts. The rolling cutting die on the smooth roller can be pressed by screwing the nut, or the rolling cutting die can be disassembled and maintained.

[0004] However, during application, it is found that in order to ensure that the rolling cutting effect of the rolling cutting mold is in the best condition, the rolling cutting mold needs to be disassembled regularly for maintenance or replacement. The installation and disassembly operations in the existing installation method are relatively cumbersome and the operation time is long. In addition, the pole piece after rolling cutting is prone to slight deformation after being subjected to the pressure of rolling cutting, and an additional rubber roller needs to be set for guiding and conveying, and the integration is not high.

[0005] Therefore, in order to solve the above problems, a rolling cutting device for producing battery pole pieces is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a rolling cutting device for battery pole piece production, which is convenient for installation and disassembly of the rolling cutting mold and integrates structures such as rubber rollers, thereby solving the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rolling cutting device for battery pole piece production, comprising a bottom plate and a reduction motor, a mounting plate and two left-right symmetrically distributed support plates are fixedly installed on the upper side of the bottom plate, the mounting plate is located on the right side of the right support plate, the reduction motor is located on the right side of the mounting plate, a main rubber roller and a main light roller are rotatably installed between the support plates, and the main rubber roller is located on the rear side of the main light roller;

[0008] The right end of the main rubber roller passes through the support plate, the right end of the main optical roller passes through the support plate and the mounting plate, the right end of the main optical roller is connected to the output end of the reduction motor, and a transmission assembly for connecting the main rubber roller and the main optical roller is installed between the support plate and the mounting plate on the right side;

[0009] The upper side of the main optical roller abuts against a rolling cutting mold, the upper side of the main rubber roller abuts against a secondary rubber roller, both ends of the rolling cutting mold are rotatably mounted with a first bearing seat, both ends of the secondary rubber roller are rotatably mounted with a second bearing seat, and a first clamping mechanism for clamping the first bearing seat and a second clamping mechanism for clamping the second bearing seat are installed above the support plate.

[0010] Specifically, the rolling cutting mold includes a secondary optical roller and a pole piece contour protrusion. The two ends of the secondary optical roller are rotatably assembled with the first bearing seat. The circumferential side surface of the secondary optical roller is integrally formed with a shoulder, a pole piece contour protrusion and a positioning hole protrusion. The shoulder is located at the two ends of the secondary optical roller, the pole piece contour protrusion is located between the two shoulders, and the positioning hole protrusion is located on the circumferential side surface of the secondary optical roller on the inner side of the pole piece contour protrusion.

[0011] Furthermore, the pole piece contour protrusions are at least two continuously arranged along the circumference of the secondary optical roller.

[0012] Specifically, the transmission assembly includes a synchronous wheel and a synchronous belt. The main rubber roller and the main optical roller are fixedly mounted with a synchronous wheel at one end close to the mounting plate, and a synchronous belt is sleeved between the synchronous wheels.

[0013] Specifically, the first clamping mechanism includes a guide rod and a second screw. The first clamping mechanism includes a guide rod and a second screw. A pair of first through holes distributed front and back are opened on the top of the first bearing seat. Guide rods are installed in the first through holes. The lower ends of the guide rods are fixedly assembled with support plates respectively. A stop block is arranged above the first bearing seat. The stop block is slidably assembled on the guide rod. The two ends of the stop block are screwed with the first screws for tightening the guide rods. The center of the stop block is screwed with the second screw for tightening the first bearing seat.

[0014] Furthermore, both ends of the top of the block are provided with second through holes for passing the guide rod, both ends of the block are horizontally provided with first screw holes for passing the first screw, and the center of the block is vertically provided with a second screw hole for screwing the second screw.

[0015] Specifically, the second clamping mechanism includes a screw and a nut. The top of the second bearing seat is provided with a pair of third through holes distributed front and back. Screws are installed in the third through holes. The lower ends of the screws are fixedly assembled with support plates, and the upper ends of the screws are threaded with nuts for tightening the second bearing seat.

[0016] Specifically, a nano-ceramic coating is provided on the circumferential side of the rolling-cutting die.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] When the reduction motor is working, it can synchronously drive the main light roller and the main rubber roller through the transmission component, and rotate the rolling cutting mold and the auxiliary rubber roller due to the tight pressure. After the pole piece material is rolled and formed into a battery pole piece, it is smoothly guided and transported out by the main rubber roller and the auxiliary rubber roller. The structure is highly integrated, compact and reasonable, which can improve the smoothness of the pole piece rolling cutting process;

[0019] The first clamping mechanism can clamp the rolling-cutting mold on the main smooth roller to ensure the rolling-cutting quality, and can also facilitate the rapid installation and disassembly of the rolling-cutting mold; the second clamping mechanism can clamp the auxiliary rubber roller on the main rubber roller, and also facilitate the maintenance of the auxiliary rubber roller, thereby reducing the operation workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic three-dimensional diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic front view of the structure of the utility model;

[0022] Figure 3 This is a schematic structural perspective view of the rolling cutting die of the utility model;

[0023] Figure 4 It is a schematic three-dimensional diagram of the structure of two continuous pole piece contour protrusions of the utility model;

[0024] Figure 5 This is a schematic diagram of a battery pole piece rolled out by the utility model;

[0025] Figure 6 for Figure 2 Schematic cross-sectional view of the structure along the AA axis.

[0026] In the figure: 1 mounting plate, 2 reduction motor, 3 transmission assembly, 31 synchronous wheel, 32 synchronous belt, 4 support plate, 5 bottom plate, 6 main optical roller, 7 rolling cutting die, 71 shaft shoulder, 72 pole piece contour protrusion, 73 positioning hole protrusion, 74 secondary optical roller, 8 first clamping mechanism, 81 first screw, 82 guide rod, 83 second screw, 84 block, 9 second clamping mechanism, 91 screw, 92 nut, 10 main rubber roller, 11 secondary rubber roller, 12 second bearing seat, 13 first bearing seat. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1 and Figure 2 The utility model provides a rolling cutting device for battery pole piece production, including a bottom plate 5 and a reduction motor 2. A mounting plate 1 and two left-right symmetrically distributed support plates 4 are fixedly installed on the upper side of the bottom plate 5. The mounting plate 1 is located on the right side of the right support plate 4, and the reduction motor 2 is located on the right side of the mounting plate 1. The mounting plate 1 and the reduction motor 2 are installed on the cabinet of the cutting and stacking machine when in use; a main rubber roller 10 and a main optical roller 6 are rotatably installed between the support plates 4, and the main rubber roller 10 is located on the rear side of the main optical roller 6.

[0029] The right end of the main rubber roller 10 passes through the support plate 4, the right end of the main optical roller 6 passes through the support plate 4 and the mounting plate 1, the right end of the main optical roller 6 is connected to the output end of the reduction motor 2, and a transmission component 3 for connecting the main rubber roller 10 and the main optical roller 6 is installed between the right support plate 4 and the mounting plate 1; the reduction motor 2 can directly rotate the main optical roller 6, and synchronously rotate the main rubber roller 10 through the transmission component 3 to provide power.

[0030] A rolling-cutting die 7 is abutted against the upper side of the main optical roller 6, and the rolling-cutting die 7 is used for rotary cutting of the pole piece. A secondary rubber roller 11 is abutted against the upper side of the main rubber roller 10. First bearing seats 13 are rotatably mounted on both ends of the rolling-cutting die 7, and second bearing seats 12 are rotatably mounted on both ends of the secondary rubber roller 11. A first clamping mechanism 8 for clamping the first bearing seat 13 and a second clamping mechanism 9 for clamping the second bearing seat 12 are installed above the support plate 4; the first clamping mechanism 8 is used to apply pressure on the first bearing seat 13, so as to facilitate clamping the rolling-cutting die 7 on the main optical roller 6, and the first clamping mechanism 8 also facilitates the rapid installation and disassembly of the rolling-cutting die 7, and the second clamping mechanism 9 is used to apply pressure on the second bearing seat 12, so as to facilitate clamping the secondary rubber roller 11 on the main rubber roller 10.

[0031] For details, please refer to Figure 3The rolling cutting mold 7 includes an auxiliary optical roller 74 and a pole piece contour protrusion 72. The two ends of the auxiliary optical roller 74 are rotatably assembled with the first bearing seat 13. The circumferential side surface of the auxiliary optical roller 74 is integrally formed with a shoulder 71, a pole piece contour protrusion 72 and a positioning hole protrusion 73. The shoulder 71 is located at both ends of the auxiliary optical roller 74, and the pole piece contour protrusion 72 is located between the two shoulders 71. The positioning hole protrusion 73 is located on the circumferential side surface of the auxiliary optical roller 74 on the inner side of the pole piece contour protrusion 72; the pole piece contour protrusion 72 is in contact with the battery pole piece to be formed. The shapes of the electrodes are consistent with each other, and the positioning hole protrusion 73 corresponds to the positioning hole on the battery electrode. According to the manufacturing requirements, a positioning hole protrusion 73 can be provided on the circumferential side surface of the auxiliary optical roller 74 inside the contour protrusion 72 of each electrode. When the auxiliary optical roller 74 rotates, the two shaft shoulders 71 limit the edge of the electrode material and guide it for transportation, and the electrode contour protrusion 72 and the positioning hole protrusion 73 can be squeezed with the main optical roller 6 to complete the rolling of the electrode material to form a battery electrode. The shape of each battery electrode cut out is as follows: Figure 5 shown.

[0032] Furthermore, the pole piece contour protrusions 72 are at least two continuously arranged along the circumference of the auxiliary optical roller 74 to meet the production rhythm; for ease of understanding, the structure of the two pole piece contour protrusions 72 continuously arranged along the circumference is as follows: Figure 4 shown.

[0033] For details, please refer to Figure 6 The transmission assembly 3 includes a synchronous wheel 31 and a synchronous belt 32. The main rubber roller 10 and the main optical roller 6 are fixedly installed with a synchronous wheel 31 at one end close to the mounting plate 1. A synchronous belt 32 is sleeved between the synchronous wheels 31. When the front synchronous wheel 31 is rotated by the main optical roller 6, the rear main rubber roller 10 can be driven to rotate synchronously and in the same direction through the synchronous belt 32 and the rear synchronous wheel 31.

[0034] Specifically, the first clamping mechanism 8 includes a guide rod 82 and a second screw 83. A pair of first through holes distributed front and back are opened on the top of the first bearing seat 13. The first through holes are vertically arranged. Guide rods 82 are installed in the first through holes. The lower ends of the guide rods 82 are fixedly assembled with the support plates 4 respectively. A stop block 84 is arranged above the first bearing seat 13. The stop block 84 is slidably assembled on the guide rod 82. The two ends of the stop block 84 are screwed with the first screws 81 for tightening the guide rod 82, and the center of the stop block 84 is screwed with the second screw 83 for tightening the first bearing seat 13; second through holes for passing the guide rod 82 are opened at the two ends of the top of the stop block 84, first screw holes for passing the first screws 81 are horizontally opened at the two ends of the stop block 84, and a second screw hole for screwing the second screw 83 is vertically opened at the center of the stop block 84.

[0035] The stopper 84 and the first bearing seat 13 can be lifted and lowered along the guide rod 82. When the first screw 81 is tightened, the stopper 84 can be pressed against the guide rod 82 to position the stopper 84. Then, the first bearing seat 13 can be tightened by screwing the second screw 83 to ensure the cutting strength between the rolling-cutting mold 7 and the main light roller 6. When inspecting and maintaining the rolling-cutting mold 7, the stopper 84 and the first bearing seat 13 can be removed by removing the first screw 81, thereby achieving the purpose of quickly installing and disassembling the rolling-cutting mold 7.

[0036] Specifically, the second clamping mechanism 9 includes a screw 91 and a nut 92. A pair of third through holes distributed front and back are opened on the top of the second bearing seat 12. The third through holes are vertically arranged. Screws 91 are installed in the third through holes. The lower ends of the screws 91 are fixedly assembled with the support plates 4 respectively, and the upper ends of the screws 91 are screwed with nuts 92 for tightening the second bearing seat 12. After tightening the nuts 92, the second bearing seat 12 can be pressed down, thereby clamping the auxiliary rubber roller 11 and the main rubber roller 10, to ensure the ability to guide and transport the electrode material.

[0037] Specifically, the material of the rolling die 7 and the main light roller 6 is 45 steel, which has the advantages of high strength and deformation resistance. The circumferential side of the rolling die 7 is provided with a nano-ceramic coating, which can improve the hardness and wear resistance of the rolling die 7, thereby improving the service life.

[0038] The working principle of this embodiment:

[0039] The reduction motor 2 is installed in the cutting and stacking machine and is electrically connected to the controller. When the reduction motor is working, it can synchronously rotate the main rubber roller 10 and the main light roller 6 after being driven by the transmission component 3. Due to the opposing pressure, the rolling cutting mold 7 and the auxiliary rubber roller 11 are synchronously rotated. The electrode material passes through the rolling cutting mold 7 and the main light roller 6 and is rolled to form a battery electrode, and the battery electrode is promptly sent out by the rotating auxiliary rubber roller 11 and the main rubber roller 10; the rolling cutting mold 7 and the main light roller 6 can be clamped by the first clamping mechanism 8 to ensure the rolling quality, and the rolling cutting mold 7 can also be quickly disassembled and installed back by the first screw 81, which is conducive to frequent maintenance work and reduces the operation amount of the staff; in addition, the second clamping mechanism 9 can also clamp the auxiliary rubber roller 11 and the main rubber roller 10, which is also convenient for the maintenance of the auxiliary rubber roller 11.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A rolling cutting device for battery pole piece production, characterized in that: It comprises a bottom plate (5) and a reduction motor (2); a mounting plate (1) and two support plates (4) symmetrically distributed on the left and right are fixedly mounted on the upper side of the bottom plate (5); the mounting plate (1) is located on the right side of the right support plate (4); the reduction motor (2) is located on the right side of the mounting plate (1); a main rubber roller (10) and a main optical roller (6) are rotatably mounted between the support plates (4); the main rubber roller (10) is located on the rear side of the main optical roller (6); The right end of the main rubber roller (10) passes through the support plate (4), the right end of the main optical roller (6) passes through the support plate (4) and the mounting plate (1), the right end of the main optical roller (6) is connected to the output end of the reduction motor (2), and a transmission assembly (3) for connecting the main rubber roller (10) and the main optical roller (6) is installed between the support plate (4) and the mounting plate (1) on the right side; The upper side of the main light roller (6) is in contact with a rolling cut mold (7), the upper side of the main rubber roller (10) is in contact with an auxiliary rubber roller (11), both ends of the rolling cut mold (7) are rotatably mounted with a first bearing seat (13), both ends of the auxiliary rubber roller (11) are rotatably mounted with a second bearing seat (12), and a first clamping mechanism (8) for clamping the first bearing seat (13) and a second clamping mechanism (9) for clamping the second bearing seat (12) are mounted above the support plate (4).

2. A rolling cutting device for battery pole piece production according to claim 1, characterized in that: The rolling cutting die (7) comprises an auxiliary roller (74) and a pole piece contour protrusion (72), the two ends of the auxiliary roller (74) are rotatably assembled with the first bearing seat (13), and a shaft shoulder (71), a pole piece contour protrusion (72) and a positioning hole protrusion (73) are integrally formed on the circumferential side surface of the auxiliary roller (74), the shaft shoulder (71) is located at the two ends of the auxiliary roller (74), the pole piece contour protrusion (72) is located between the two shaft shoulders (71), and the positioning hole protrusion (73) is located on the circumferential side surface of the auxiliary roller (74) on the inner side of the pole piece contour protrusion (72).

3. A rolling cutting device for battery pole piece production according to claim 2, characterized in that: The pole piece contour protrusions (72) are at least two continuously arranged along the circumference of the secondary optical roller (74).

4. The rolling cutting device for producing battery pole pieces according to claim 1, characterized in that: The transmission assembly (3) comprises a synchronous wheel (31) and a synchronous belt (32); the main rubber roller (10) and the main optical roller (6) are both fixedly mounted with a synchronous wheel (31) at one end close to the mounting plate (1); and the synchronous belt (32) is sleeved between the synchronous wheels (31).

5. The rolling cutting device for producing battery pole pieces according to claim 1, characterized in that: The first clamping mechanism (8) comprises a guide rod (82) and a second screw (83). A pair of first through holes distributed frontally and rearwardly are provided on the top of the first bearing seat (13). A guide rod (82) is installed in each of the first through holes. The lower ends of the guide rods (82) are fixedly assembled with the support plates (4), respectively. A stop block (84) is provided above the first bearing seat (13). The stop block (84) is slidably assembled on the guide rod (82). The two ends of the stop block (84) are screwed with the first screws (81) for tightening the guide rod (82), and the center of the stop block (84) is screwed with the second screw (83) for tightening the first bearing seat (13).

6. A rolling cutting device for producing battery pole pieces according to claim 5, characterized in that: Both ends of the top of the stop block (84) are provided with second through holes for passing the guide rod (82), both ends of the stop block (84) are provided with first screw holes for passing the first screw (81) horizontally, and a second screw hole for screwing the second screw (83) is vertically provided at the center of the stop block (84).

7. The rolling cutting device for producing battery pole pieces according to claim 1, characterized in that: The second clamping mechanism (9) comprises a screw rod (91) and a nut (92); a pair of third through holes distributed front and rear are provided on the top of the second bearing seat (12); screw rods (91) are installed in the third through holes; the lower ends of the screw rods (91) are fixedly assembled with the support plates (4) respectively; and the upper ends of the screw rods (91) are screwed with nuts (92) for tightening the second bearing seat (12).

8. The rolling cutting device for producing battery pole pieces according to claim 1, characterized in that: The circumferential side of the rolling-cutting die (7) is provided with a nano-ceramic coating.

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