Continuous battery cell pressing equipment capable of replacing isostatic pressing

Abstract

The utility model relates to continuous battery cell pressing equipment capable of replacing isostatic pressing. The continuous battery cell pressing equipment comprises two steel belt conveying mechanisms, more than one pressing mechanism, a rack and a distance adjusting mechanism, the steel belt conveying mechanism comprises two conveying rollers and a steel belt; the material pressing mechanism comprises a pressing roller set and a material pressing driving piece. A pressing area of the steel belt is located between the upper pressing roller and the lower pressing roller. The distance adjusting mechanism is connected with the side plates through the top beam. The utility model has the advantages that: (1) the steel belt conveying mechanism not only plays a role in conveying materials, but also plays a role in pre-pressing the battery cell material bag, so that the initial thickness of the battery cell material bag is kept within a proper range, and the influence on subsequent pressing caused by overlarge thickness of the battery cell material bag is avoided; (2) the battery core material package is clamped between the two steel belts to be pressed, so that the material structure is prevented from being damaged by pressing due to overlarge pressure; and (3) the pressure of the plurality of pressing mechanisms is increased step by step, so that the pressing stability is improved, and the uneven thickness of the material bag is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery processing technical field, especially a continuous electric core pressure equipment of replacement isostatic pressing. BACKGROUND

[0002] The pressure of the electric core material package is an important process in the lithium battery production process, and the main purpose is to make the internal materials (positive and negative plates, diaphragms, etc.) of the electric core tightly contact through mechanical pressure, while maintaining appropriate porosity. But the existing pressure equipment generally presses the electric core material package through pneumatic, hydraulic and other driving methods, which belongs to beat production, and the control precision of pressure size and pressure time is relatively high, online pressure cannot be realized, and there are factors such as low feeding and discharging efficiency and unstable pressure quality. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a continuous electric core pressure equipment of replacement isostatic pressing, which can realize online pressure of the electric core material package.

[0004] In order to achieve the above-mentioned utility model purposes, the utility model provides a continuous electric core pressure equipment of replacement isostatic pressing, which comprises two steel belt conveying mechanisms, one or more than one pressure mechanism, a rack and a distance adjusting mechanism.

[0005] The rack comprises two side plates and a top beam, and the two steel belt conveying mechanisms are arranged on the corresponding side plates up and down. The steel belt conveying mechanism comprises two conveying rollers and a steel belt, and the steel belt is connected with the two conveying rollers. The conveying roller is connected with a conveying driving mechanism.

[0006] The pressure mechanism comprises a pressure roller group and a pressure driving part. The pressure roller group comprises an upper pressure roller and a lower pressure roller, and the upper pressure roller and the lower pressure roller are both connected with a pressure roller rotation driving part. The pressure area of the steel belt is located between the upper pressure roller and the lower pressure roller. The pressure driving part is connected above the upper pressure roller.

[0007] The distance adjusting mechanism is connected with the side plate through the top beam.

[0008] Preferably, the distance adjusting mechanism is a worm gear and worm lifting machine.

[0009] Further, the setting number of the worm gear and worm lifting machine is two groups, and the two groups of worm gear and worm lifting machines are respectively arranged on the two sides of the corresponding side plate.

[0010] Preferably, the pressure driving part is an oil cylinder.

[0011] As a further improvement of the utility model, further comprising a position adjusting assembly, the position adjusting assembly comprises an adjusting rod, a connecting block and a moving seat; the end of the conveying roller is provided with a bearing, the conveying roller is connected with the side plate through the bearing, the side plate is provided with an adjusting groove, the moving seat is located in the adjusting groove, the connecting block is connected on the side plate, the adjusting rod is threadedly connected with the connecting block, and the end of the adjusting rod is connected with the moving seat.

[0012] As a further improvement of the utility model, the length of the steel belt of the upper steel belt conveying mechanism is smaller than the length of the steel belt of the lower steel belt conveying mechanism.

[0013] As a further improvement of the utility model, the number of the material pressing mechanisms is three, and the three material pressing mechanisms are arranged side by side.

[0014] The continuous battery cell pressing equipment of the utility model is compared with prior art, and has the advantages that:

[0015] The continuous battery cell pressing equipment of the utility model is compared with prior art, and has the advantages that:

[0016] (1) The steel belt conveying mechanism plays a role in conveying material and also has a pre-pressing effect on the battery cell material package, so that the initial thickness of the battery cell material package can be kept within a proper range, and the thickness of the battery cell material package is prevented from being too large and affecting subsequent pressing;

[0017] (2) The battery cell material package is pressed between two steel belts, so that the material structure is prevented from being damaged by excessive pressure;

[0018] (3) The pressure of the multiple material pressing mechanisms is gradually increased, so that the material pressing stability is improved, and the thickness of the material package is prevented from being uneven. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model relates to a continuous battery cell pressing equipment of a replacement isostatic pressing structure schematic view;

[0020] Figure 2 A cross-sectional view of a continuous battery cell pressing equipment for replacing isostatic pressing of the utility model;

[0021] Figure 3 A front view of a continuous battery cell pressing equipment for replacing isostatic pressing of the utility model;

[0022] Figure 4 An online pressing schematic diagram of a battery cell material package;

[0023] Figure 5 A position adjusting assembly structure schematic diagram. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model are further explained in detail in combination with the accompanying drawings.

[0025] As Figures 1-4 indicated, a continuous battery cell pressing equipment for replacing isostatic pressing of the utility model, including two steel belt conveying mechanisms 1, more than one pressing mechanism 3, rack 4, and distance adjusting mechanism 6;

[0026] Rack 4 includes two side plates 41 and top beam 43, and two steel belt conveying mechanisms 1 are arranged up and down through the corresponding side plates 41;Steel belt conveying mechanism 1 includes two conveying rollers 11 and steel belt 12, and steel belt 12 is connected with two conveying rollers 11;Conveying roller 11 is connected with conveying drive mechanism 2;

[0027] Pressing mechanism 3 includes pressing roller group 31 and pressing drive part 32, and pressing roller group 31 includes upper pressing roller 311 and lower pressing roller 312, and upper pressing roller 311 and lower pressing roller 312 are both connected with pressing roller rotation drive part 33, and the pressing area 122 of steel belt 12 is located between upper pressing roller 311 and lower pressing roller 312;Pressing drive part 3 is connected above upper pressing roller 311;

[0028] Distance adjusting mechanism 6 is connected with side plate 41 through top beam 43.

[0029] The utility model discloses a continuous electric core pressure equipment of alternative isostatic pressure, places electric core material package 7 in the conveyance area 121 of steel band 12, and passes from between two steel band conveyance mechanisms 1 to carry out pre -pressing and initial positioning, prepares for the subsequent pressure material of electric core material package 7, and the conveyance drive mechanism 2 can be the existing motor drive, makes steel band 12 drive electric core material package 7 to convey to the pressure material area 122 of steel band 12, and the pressure roller rotation drive part 33 can be the existing motor drive, and the upper pressure roller 311 and lower pressure roller 312 synchronous rotation, and the upper pressure roller 311 is under the action of pressure material drive part 3 and applies pressure downward, and the electric core material package 7 of pressure material area 122 is extruded between the upper pressure roller 311 and lower pressure roller 312, wherein, steel band 12 replaces the upper and lower surfaces of electric core material package 7 and directly contacts with the roll surface, and the pressure resistance of steel band 12 is better, can protect the surface of electric core material package 7 to a certain extent, avoids uneven stress, causes unnecessary indentation, after the pressure of each pressure roller group 31, electric core material package 7 is conveyed from the discharge end of conveyance area 121, to realize the on-line pressure of electric core material package 7.

[0030] The pitch adjusting mechanism 6 is preferably a worm gear elevator, which has compact structure and strong carrying capacity. The pitch adjusting mechanism 6 adjusts the distance between the upper and lower steel bands 12 to adapt to the pre-pressing and pressure of electric core material packages 7 of different sizes. The number of the worm gear elevators is two, and the two worm gear elevators are arranged on the two sides of the corresponding side plates 41, so that the two sides of the side plates 41 can be lifted at the same time. After the height adjustment of the steel band conveyance mechanism 1, the steel bands 12 always remain in a horizontal state, avoiding tilting and affecting the pressure effect.

[0031] The number of the pressure mechanisms 3 is three, and the three pressure mechanisms 3 are arranged side by side. The pressure drive 32 is preferably an oil cylinder, which can adjust the pressure of each upper pressure roller 311 on the electric core material package 7, so that the electric core material package 7 receives an increasing pressure during on-line transmission, improving the pressure quality.

[0032] The electric core material package 7 is transmitted on the steel band 12 of the lower steel band conveyance mechanism 1, and the length of the steel band 12 of the upper steel band conveyance mechanism 1 is less than that of the lower steel band conveyance mechanism 1, which is more convenient for pre-pressing the electric core material package 7 by the upper and lower steel band conveyance mechanisms 1.

[0033] The continuous electric core pressure equipment of the utility model also includes a position adjusting assembly 5, as shown in Figure 5As shown, the position adjusting assembly 5 comprises an adjusting rod 51, a connecting block 52 and a moving seat 53; the end of the conveying roller 11 is provided with a bearing 13, the conveying roller 11 is connected with the side plate 41 through the bearing 13, the side plate 41 is provided with an adjusting groove 42, the moving seat 53 is located in the adjusting groove 42, the connecting block 52 is connected on the side plate 41, the adjusting rod 51 is threadedly connected with the connecting block 52, and the end of the adjusting rod 51 is connected with the moving seat 53. The adjusting rod 51 is screwed to move the moving seat 53 in the adjusting groove 42, so that the tightness of the steel belt 12 on the conveying roller 11 is adjusted, and the relaxation of the steel belt 12 after repeated extrusion is avoided, thereby affecting the on-line transmission.

[0034] The above has described the preferred embodiments of the utility model creation in detail, but the utility model creation is not limited to the described embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model creation, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A continuous cell compacting apparatus as an alternative to isostatic pressing, characterized in that, The machine comprises two steel belt conveying mechanisms, more than one material pressing mechanism, a frame, and a distance adjusting mechanism. The frame comprises two side plates and a top beam, and the two steel belt conveying mechanisms are arranged on the side plates in an up-down manner. The steel belt conveying mechanism comprises two conveying rollers and a steel belt, and the steel belt is connected with the two conveying rollers. The material pressing mechanism comprises a pressing roller set and a pressing driving element.

2. A continuous cell compacting apparatus as claimed in claim 1, wherein, The pressing roller set comprises an upper pressing roller and a lower pressing roller, and the upper pressing roller and the lower pressing roller are both connected with a pressing roller rotating driving element.

3. A continuous cell compacting apparatus to replace isostatic pressing as claimed in claim 2, wherein, The pressing area of the steel belt is located between the upper pressing roller and the lower pressing roller.

4. A continuous cell compacting apparatus to replace isostatic pressing as claimed in claim 1, wherein, The pressing driving element is connected above the upper pressing roller.

5. A continuous cell compacting apparatus to replace isostatic pressing as claimed in claim 1, wherein, The distance adjusting mechanism is connected with the side plates through the top beam.

6. A continuous cell compacting apparatus to replace isostatic pressing as claimed in claim 1, wherein, The distance adjusting mechanism is a worm gear elevator.

7. A continuous cell compacting apparatus as claimed in claim 1, wherein, The number of the worm gear elevators is two, and the two worm gear elevators are arranged on the two sides of the side plates respectively. The pressing driving element is an oil cylinder. The machine further comprises a position adjusting assembly, which comprises an adjusting rod, a connecting block, and a moving seat. The end of the conveying roller is provided with a bearing, and the conveying roller is connected with the side plate through the bearing. The side plate is provided with an adjusting groove, and the moving seat is located in the adjusting groove. The connecting block is connected on the side plate, the adjusting rod is threadedly connected with the connecting block, and the end of the adjusting rod is connected with the moving seat. The length of the steel belt of the upper steel belt conveying mechanism is less than the length of the steel belt of the lower steel belt conveying mechanism. The number of the material pressing mechanisms is three, and the three material pressing mechanisms are arranged side by side.

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