Pole piece input deviation rectifying mechanism

Abstract

The utility model discloses a pole piece input deviation rectifying mechanism which comprises a fixed seat and an anti-shake roller rotationally installed in the fixed seat, a driving motor and a servo motor are fixedly installed at the lower end of the fixed seat, a lead screw is fixedly installed at the output end of the driving motor, a driving cam is fixedly installed at the output end of the servo motor, and the lead screw is fixedly installed at the output end of the driving cam. A linear guide rail is fixedly installed on the outer side of the fixing base and slidably connected with the connecting rod, a lower clamping roller is fixedly installed on the outer side of the fixing base, a lower clamping plate is fixedly installed on the outer side of the lower clamping roller, an upper clamping roller is slidably installed in the fixing base, and an upper clamping plate is fixedly installed on the outer side of the upper clamping roller. According to the pole piece input deviation rectifying mechanism, through the arrangement of the rotating cam, the clamping roller clamping plate is driven by the rotating cam, compared with a lead screw direct-acting cam, the occupied space is small, the cost is low, the clamping pressure is driven by servo according to a torque mode, the torque is constant, and the using stability of the mechanism is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of polar piece input deviation correction, specifically to a polar piece input deviation correction mechanism. BACKGROUND

[0002] With the widespread use of clean energy, the application of batteries is gradually popularizing, and in the process of producing lithium batteries, the polar pieces of lithium batteries need to be processed, in which process the polar pieces of lithium batteries need to be wound and cut, and a deviation correction mechanism needs to be used in the process to avoid affecting the subsequent winding after the polar pieces are cut;

[0003] However, the existing deviation correction mechanism still has some use defects in use, the existing polar piece conveying mechanism conveys the polar pieces, and the polar piece conveying mechanism pulls the polar pieces to the winding needle direction by clamping the polar pieces with clamps, so as to convey the polar pieces into the winding needle for winding. The wound battery cell is composed of positive polar pieces, negative polar pieces and separators. During winding or conveying, the relative positions of the positive polar pieces and the negative polar pieces are easy to deviate, resulting in inclination of the winding or cutting position, which cannot meet the subsequent processing needs.

[0004] Patent application publication No. CN214827703U discloses a polar piece deviation correction mechanism, which passes the polar piece between the clamping roller and the deviation correction roller, then starts the clamping drive to drive the clamping roller to move towards the deviation correction roller, so that the clamping roller and the deviation correction roller cooperate to clamp the polar piece. Then start the deviation correction motor to drive the mounting bracket to swing, so as to achieve the purpose of deviation correction. The utility model also sets a transmission assembly. When the deviation correction is completed, the transmission assembly drives the deviation correction roller to rotate, so that the polar piece moves under the drive of the deviation correction roller, achieving the purpose of conveying the polar piece. The utility model has the functions of deviation correction and polar piece conveying, which is beneficial to improving the work efficiency.

[0005] In the above-mentioned disclosed patent, the deviation correction mechanism in the patent solves the above-mentioned problems, but the deviation correction mechanism still has the following problems in use. In the process of using the deviation correction mechanism, the polar piece needs to be clamped by the deviation correction roller and the clamping roller, and the clamping drive control structure controls the movement of the clamping roller and cooperates with the deviation correction roller to complete the clamping. However, the clamping force may be too low or too high due to the change of the cylinder pressure inside the clamping drive, which may affect the normal clamping of the polar piece.

[0006] In view of the above problems, it is urgent to make innovative design on the basis of the original deviation correction structure. UTILITY MODEL CONTENTS

[0007] The utility model discloses a purpose lies in providing a kind of pole piece input deviation rectification mechanism to solve the problem of needing to be gripped to pole piece by deviation rectification roller and clamping roller in the above background art, and clamping driving part control structure will control clamping roller to move and cooperate deviation rectification roller to complete clamping, and in the process of clamping, the force of clamping can be influenced by the change of cylinder pressure inside clamping driving part, it is easy to cause the situation that clamping force is too low or big, it is easy to cause the problem of the normal clamping of the pole piece.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of pole piece input deviation rectification mechanism, including fixed seat and the anti-shake roller of fixed seat inside rotation installation;

[0009] The lower end of the fixed seat is fixedly installed with a driving motor and a servo motor, and the output end of the driving motor is fixedly installed with a lead screw, the output end of the servo motor is fixedly installed with a driving cam, and the outer side of the driving cam is rotatably installed with a connecting rod, the outer side of the fixed seat is fixedly installed with a linear guide rail, and the linear guide rail is slidably connected with the connecting rod, the outer side of the fixed seat is fixedly installed with a lower clamp roller, and the outer side of the lower clamp roller is fixedly installed with a lower clamp plate.

[0010] The inner side of the fixed seat is slidably installed with an upper clamp roller, the outer side of the upper clamp roller is fixedly installed with an upper clamp plate, and the upper clamp roller is rotatably connected with the connecting rod, and the upper clamp plate and the lower clamp plate are provided with a pole piece.

[0011] Preferably, the inner side of the fixed seat is provided with a hinge shaft and a swing rod, the swing rod is located outside the hinge shaft, and the inner side of the hinge shaft is provided with a shaft core, a bearing and a gland.

[0012] Preferably, the inner side of the fixed seat is provided with a lead screw swing center, and the lead screw swing center is located outside the lead screw.

[0013] Preferably, the inner side of the fixed seat is provided with a slide rail, and the slide rail is slidably connected with the swing rod.

[0014] Preferably, the outer side of the fixed seat is provided with a protective cover, and the protective cover is located outside the hinge shaft.

[0015] Preferably, the outer side of the fixed seat is provided with a sheet feeding clamp swing center, and the sheet feeding clamp swing center is located at the lower end of the anti-shake roller.

[0016] Preferably, the lower clamp roller and the lower clamp plate are located at the lower end of the upper clamp roller and the upper clamp plate, and the lower end surface of the lower clamp plate is fixedly connected with the fixed seat.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. Through the setting of the rotary cam, the clamping roller clamping plate is driven by the rotary cam, compared with the screw direct-acting cam, the rotary cam occupies small space and has low cost, the clamping pressure is driven by a servo torque mode, the torque is constant, and the stability of the use of the mechanism is improved;

[0019] 2. Through the setting of the roller clamping plate, the assembly error of each part, the error caused by the deviation of the pole piece after passing through the pole piece feeding clamp and cutting from the original position and the like are corrected and offset by using an electric control mode, the deviation of the pole piece head feeding is offset, and the consistency of the movement direction of the pole piece feeding clamp is maintained;

[0020] 3. Further, an edge detection sensor is added at the starting position of the pole piece, and real-time closed-loop control can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is a three-dimensional structure schematic diagram of the upper clamping plate of the utility model;

[0023] Figure 3 It is a three-dimensional structure schematic diagram of the driving motor of the utility model;

[0024] Figure 4 It is a three-dimensional structure schematic diagram of the hinge shaft of the utility model;

[0025] Figure 5 It is a three-dimensional structure schematic diagram of the lower clamping roller of the utility model;

[0026] Figure 6 It is a sectional structure schematic diagram of the fixed seat of the utility model.

[0027] In the drawing: 1, fixed seat; 2, anti-shake roller; 3, pole piece feeding clamp swing center; 4, hinge shaft; 5, swing rod; 6, slide rail; 7, driving motor; 8, screw rod; 9, servo motor; 10, driving cam; 11, connecting rod; 12, linear guide rail; 13, lower clamping roller; 14, upper clamping roller; 15, lower clamping plate; 16, upper clamping plate; 17, pole piece; 18, screw rod swing center; 19, protective cover. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In specific embodiments, such as Figures 1-5As shown, the basic use of the mechanism is disclosed;

[0030] The fixed seat 1 and the anti-shake roller 2 rotatingly installed inside the fixed seat 1;

[0031] The lower end of the fixed seat 1 is fixedly installed with a driving motor 7 and a servo motor 9, the output end of the driving motor 7 is fixedly installed with a lead screw 8, the output end of the servo motor 9 is fixedly installed with a driving cam 10, the outer side of the driving cam 10 is rotatingly installed with a connecting rod 11, the outer side of the fixed seat 1 is fixedly installed with a linear guide rail 12, the linear guide rail 12 is slidingly connected with the connecting rod 11, the outer side of the fixed seat 1 is fixedly installed with a lower clamp roller 13, and the outer side of the lower clamp roller 13 is fixedly installed with a lower clamp plate 15;

[0032] The inner side of the fixed seat 1 is slidingly installed with an upper clamp roller 14, the outer side of the upper clamp roller 14 is fixedly installed with an upper clamp plate 16, and the upper clamp roller 14 is rotatingly connected with the connecting rod 11, and the upper clamp plate 16 and the lower clamp plate 15 are provided with a pole piece 17.

[0033] When the pole piece 17 is put into the correction mechanism, the pole piece 17 needs to be clamped by the lower clamp plate 15 and the upper clamp plate 16, in this process, the servo motor 9 needs to drive the driving cam 10 to rotate, the driving cam 10 rotates to drive the connecting rod 11 to move outside the linear guide rail 12, and the connecting rod 11 moves to drive the upper clamp roller 14 to move inside the fixed seat 1, at this time, the upper clamp roller 14 moves to the lower clamp roller 13 and drives the upper clamp plate 16 to move close to the lower clamp plate 15, at this time, the upper clamp plate 16 and the lower clamp plate 15 clamp the pole piece 17, thus the clamping process of the mechanism to the pole piece 17 is completed, the clamping process of the pole piece 17 is completed by the rotation of the driving cam 10, which can ensure the stability of the clamping force of the mechanism to the pole piece 17.

[0034] In one of the specific embodiments, as Figures 1-6 shown, the use principle of the mechanism is disclosed;

[0035] The inner side of the fixed seat 1 is provided with a hinge shaft 4 and a swing rod 5, the swing rod 5 is located outside the hinge shaft 4, and the inner side of the hinge shaft 4 is provided with a shaft core, a bearing and a gland;

[0036] The inner side of the fixed seat 1 is provided with a lead screw swing center 18, and the lead screw swing center 18 is located outside the lead screw 8;

[0037] The inner side of the fixed seat 1 is provided with a sliding rail 6, and the sliding rail 6 is slidingly connected with the swing rod 5;

[0038] The outer side of the fixed seat 1 is provided with a protective cover 19, and the protective cover 19 is located outside the hinge shaft 4.

[0039] In the use of the pole piece 17 deviation rectification mechanism, A, B, R constitute a triangle, wherein the vertex, the right bottom fixed, the left bottom is movable, when the length R value changes, namely the left bottom position changes, its movement trajectory is composed by the intersection point of the right bottom and the vertex center circle (the description is attached Figure 6 The B side is swinged relative to the original position when the B side is swinged relative to the original position;

[0040] A triangle is composed of the screw rod swing center 18, the sheet feeding clamp swing center 3 and the hinge shaft 4, wherein the screw rod swing center 18 and the sheet feeding clamp swing center 3 are connected with the fixed base 1, the hinge shaft 4, the sheet feeding clamp swing center 3 and the sheet feeding clamp constitute the same rigid body, the hinge shaft 4 is pushed to move along the axial direction by the screw rod 8 nut, the sheet feeding clamp swings around the sheet feeding clamp swing center 3, and the sheet feeding clamp swing angle θ can be calculated by the screw rod 8 nut moving value R.

[0041] On the basis of the above embodiment, as Figures 1-6 The process of reducing the error of the structure is disclosed;

[0042] The outer side of the fixed base 1 is provided with the sheet feeding clamp swing center 3, and the sheet feeding clamp swing center 3 is located at the lower end of the anti-shake roller 2.

[0043] The lower clamp roller 13 and the lower clamp plate 15 are located at the lower end of the upper clamp roller 14 and the upper clamp plate 16, and the lower end surface of the lower clamp plate 15 is fixedly connected with the fixed base 1.

[0044] In the use of the pole piece 17 deviation rectification mechanism, the driving motor 7 works and drives the screw rod 8 to rotate, the screw rod 8 rotates and drives the hinge shaft 4 to slide outside the slide rail 6, and the hinge shaft 4 moves and drives the swing rod 5 to swing, so that the swing rod 5 adjusts the angle of the pole piece 17 with the anti-shake roller 2, and reduces the deviation error of the pole piece 17.

[0045] The assembly error of each part and the error of the pole piece 17 after passing through the sheet feeding clamp roller and cutting and the deviation of the original position of the pole piece 17 are rectified by using the electric control mode, and the practicability of the whole is improved.

[0046] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pole piece insertion and correction mechanism, comprising a fixed seat (1) and an anti-shake roller (2) rotatably mounted inside the fixed seat (1); Its characteristics are: A driving motor (7) and a servo motor (9) are fixedly mounted on the lower end of the fixed seat (1), and a screw rod (8) is fixedly mounted on the output end of the driving motor (7), a driving cam (10) is fixedly mounted on the output end of the servo motor (9), and a connecting rod (11) is rotatably mounted on the outer side of the driving cam (10), a linear guide rail (12) is fixedly mounted on the outer side of the fixed seat (1), and the linear guide rail (12) is slidably connected to the connecting rod (11), a lower clamping roller (13) is fixedly mounted on the outer side of the fixed seat (1), and a lower clamping plate (15) is fixedly mounted on the outer side of the lower clamping roller (13); An upper clamping roller (14) is slidably mounted inside the fixed seat (1), and an upper clamping plate (16) is fixedly mounted on the outer side of the upper clamping roller (14). The upper clamping roller (14) is rotatably connected to the connecting rod (11), and a pole piece (17) is provided between the upper clamping plate (16) and the lower clamping plate (15).

2. The electrode insertion and correction mechanism according to claim 1, characterized in that: A hinge shaft (4) and a rocker arm (5) are provided inside the fixing seat (1), and the rocker arm (5) is located outside the hinge shaft (4), and a shaft core, a bearing and a pressure cover are provided inside the hinge shaft (4).

3. The electrode insertion and correction mechanism according to claim 1, characterized in that: A screw rod swing center (18) is provided inside the fixing seat (1), and the screw rod swing center (18) is located outside the screw rod (8).

4. The electrode insertion and correction mechanism according to claim 1, characterized in that: A slide rail (6) is provided inside the fixing seat (1), and the slide rail (6) is slidably connected to the rocker (5).

5. The electrode insertion and correction mechanism according to claim 1, characterized in that: A protective cover (19) is provided on the outside of the fixing seat (1), and the protective cover (19) is located on the outside of the hinge shaft (4).

6. The electrode insertion and correction mechanism according to claim 1, characterized in that: A film feeding clamp swing center (3) is provided on the outer side of the fixing seat (1), and the film feeding clamp swing center (3) is located at the lower end of the anti-shake roller (2).

7. The electrode insertion and correction mechanism according to claim 1, characterized in that: The lower clamping roller (13) and the lower clamping plate (15) are located directly below the upper clamping roller (14) and the upper clamping plate (16), and the lower end surface of the lower clamping plate (15) is fixedly connected to the fixing seat (1).

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