New energy battery fixing steel belt extrusion molding electrical testing equipment

Abstract

The utility model relates to the technical field of new energy battery fixing steel belt production, in particular to new energy battery fixing steel belt extrusion molding and electrical testing equipment which comprises a workbench, an extrusion molding coating mechanism, a molding mechanism, an electrical testing mechanism and a winding mechanism. The plastic extruding and coating mechanism, the shaping mechanism, the electric measuring mechanism and the winding mechanism are sequentially arranged on the workbench; the extrusion molding coating mechanism comprises an extruder and an extrusion molding die, the extrusion end of the extruder is connected with the extrusion molding die, the workbench is provided with an extrusion molding guide roller, and the extrusion molding guide roller is used for guiding a steel belt towards the extrusion molding die. According to the utility model, the problem of high difficulty in automatic production of the packaging steel belt of the existing new energy battery pack is solved, manpower and material resources are saved, the automation degree is improved, and the insulativity and safety are ensured after electrical testing.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy battery fixing steel strip production, in particular to an extrusion molding and electrical testing device for a new energy battery fixing steel strip. Background Technique

[0002] The fixing steel strip of a new energy vehicle battery is a device for fixing a new energy vehicle battery pack. In a new energy vehicle, a battery pack is usually composed of multiple battery monomers. To ensure the safety and stability of the battery pack during vehicle operation, it is necessary to use a fixing steel strip to firmly fix the battery pack at a specific position of the vehicle. It is usually made of high-strength and corrosion-resistant steel, and an insulating material needs to be set outside the steel strip to ensure the firmness, long-term reliability and safety of the fixation. The structural design of the fixing steel strip should consider the size and shape of the battery pack, as well as the structural characteristics of the vehicle, to ensure that the entire battery pack can be completely wrapped and fixed.

[0003] In the production process of the existing fixing steel strip, generally a heat shrinkable tube is sleeved on the outer surface of the steel strip, and the heat shrinkable tube is heated and coated on the outside of the steel strip through the heating process. However, the stability of the heat shrinkable tube is poor and the flexibility is poor, which affects the use of the structure. Therefore, a steel strip structure with an extrusion-coated insulating layer appears. After extrusion, the steel strip needs to be tested. The existing test is completed manually, with a high cost. Therefore, new improvements need to be made to the existing steel strip preparation. Summary of the Utility Model

[0004] To solve the above problems, the utility model solves the problem of high difficulty in the automated production of the packaging steel strip of the existing new energy battery pack, saves manpower and material resources, improves the degree of automation, and is an extrusion molding and electrical testing device for a new energy battery fixing steel strip that ensures insulation and safety after electrical testing.

[0005] The technical solution adopted by the utility model is: an extrusion molding and electrical testing device for a new energy battery fixing steel strip, including a workbench, an extrusion coating mechanism, a shaping mechanism, an electrical testing mechanism and a winding mechanism. The extrusion coating mechanism, the shaping mechanism, the electrical testing mechanism and the winding mechanism are sequentially arranged on the workbench; the extrusion coating mechanism includes an extruder and an extrusion die. The extrusion end of the extruder is connected to the extrusion die, and the workbench is provided with an extrusion guiding roller for guiding the steel strip towards the extrusion die.

[0006] A further improvement to the above solution is that the extrusion die includes a die body, a first extrusion channel, a second extrusion channel, a third extrusion channel, and an extrusion cavity provided in the die body. The extrusion cavity horizontally penetrates both ends of the die body. An inlet seat and an outlet seat are respectively provided at both ends of the die body. An inlet channel is provided at one end of the die body. One end of the inlet channel is connected to the extrusion end of the extruder, and the other end is respectively connected to the first extrusion channel, the second extrusion channel, and the third extrusion channel.

[0007] A further improvement to the above solution is that the shaping mechanism includes a shaping box body, a cleaning nozzle, a first rolling assembly, and a second rolling assembly sequentially arranged in the shaping box body. The cleaning nozzle is used to blow air and clean the outer surface of the insulating layer. The first rolling assembly performs primary rolling on the insulating layer, and the second rolling assembly performs secondary rolling on the steel strip that has undergone primary rolling.

[0008] A further improvement to the above solution is that the electrical measurement mechanism includes two electrical measurement stretching rollers, an appearance detection component, an electrical measurement box, and an electrical measurement component. The two electrical measurement stretching rollers are used to stretch and transmit the steel strip tension into the electrical measurement box. The appearance detection component is arranged on the workbench and is located on one side of the electrical measurement box. The electrical measurement component is arranged in the electrical measurement box.

[0009] A further improvement to the above solution is that the electrical measurement component includes two mounting brackets, shock-absorbing elements, a vibrating bracket, a vibrating motor, a string of steel balls, and a conductive brush. The two mounting brackets are symmetrically arranged. The shock-absorbing elements are arranged on the opposite sides of the two mounting brackets. The two ends of the vibrating bracket are connected to the shock-absorbing elements. The vibrating motor is arranged on the vibrating bracket. A plurality of strings of steel balls are arranged on the vibrating bracket. The vibrating motor is used to drive the vibrating bracket to vibrate, so as to drive the strings of steel balls to shake. The conductive brush is located below the strings of steel balls to correspond to the lower surface of the steel strip.

[0010] A further improvement to the above solution is that the first extrusion channel is provided with a first annular channel and a first oblique channel. The first annular channel is used to connect the inlet channel and the first oblique channel. There are two first oblique channels, and the two first oblique channels are symmetrically arranged with the extrusion cavity as the center. The first oblique channel is used to extrude the material towards the extrusion cavity.

[0011] A further improvement to the above solution is that the second extrusion channel is provided with a second annular channel and a second oblique channel. The second annular channel is used to connect the inlet channel and the second oblique channel. There are two second oblique channels, and the two second oblique channels are symmetrically arranged with the extrusion cavity as the center. The second oblique channel is used to extrude the material towards the extrusion cavity.

[0012] A further improvement to the above solution is that the third extrusion channel is provided with a third annular channel and a third inclined channel. The third annular channel is used to connect the introduction channel and the third inclined channel. There are two third inclined channels, and the two third inclined channels are symmetrically arranged with the extrusion cavity as the center. The third inclined channel is used to extrude the material towards the extrusion cavity.

[0013] A further improvement to the above solution is that the first inclined channel is used to extrude and form a first material layer on the steel belt, the second inclined channel is used to extrude and form a second material layer on the first material layer, and the third channel is used to extrude and form a third material layer on the second material layer; the first material layer, the second material layer and the third material layer are combined to form an insulating layer.

[0014] A further improvement to the above solution is that the first roll pressing assembly includes a first upper roll group and a first lower roll group. First condensation pipes are arranged in both the first upper roll group and the first lower roll group to roll press, cool and shape the insulating layer; the second roll pressing assembly includes a second upper roll group and a second lower roll group. Second condensation pipes are arranged in both the second upper roll group and the second lower roll group to roll press, cool and shape the insulating layer.

[0015] A further improvement to the above solution is that the first upper roll group is provided with a first upper roll shaping groove, the first lower roll group is provided with a first lower roll shaping groove, the first upper roll shaping groove and the first lower roll shaping groove are arranged opposite to each other, and the first condensation pipe is close to the first upper roll shaping groove and the first lower roll shaping groove to cool and shape the insulating layer.

[0016] A further improvement to the above solution is that the second upper roll group is provided with a second upper roll shaping groove, the second lower roll group is provided with a second lower roll shaping groove, the second upper roll shaping groove and the second lower roll shaping groove are arranged opposite to each other, and the second condensation pipe is close to the second upper roll shaping groove and the second lower roll shaping groove to cool and shape the insulating layer.

[0017] A further improvement to the above solution is that a marking assembly is arranged behind the electrical measurement box of the electrical measurement assembly. The marking assembly includes a pressing cylinder and a marking pen arranged on the pressing cylinder. The pressing cylinder is used to drive the marking pen to mark the steel belt.

[0018] A further improvement to the above solution is that the electrical measurement stretching roller is provided with a driving motor, and the driving motor is used to drive the electrical measurement stretching roller to rotate to drive the steel belt to transmit.

[0019] A further improvement to the above solution is that the appearance detection component includes an upper CCD camera, an upper light source, a lower CCD camera, and a lower light source; the upper CCD camera is used to photograph and detect the upper surface of the insulating layer, the lower CCD camera is used to photograph and detect the lower surface of the insulating layer, the upper light source is used to supplement light for the upper surface of the insulating layer, and the lower light source is used to supplement light for the lower surface of the insulating layer.

[0020] A further improvement to the above solution is that the shock-absorbing element includes a first shock-absorbing connecting seat and a second shock-absorbing connecting seat. A shock-absorbing spring is arranged between the first shock-absorbing connecting seat and the second shock-absorbing connecting seat. The mounting bracket is provided with a mounting groove, and two sets of shock-absorbing elements are provided. The two sets of shock-absorbing elements are respectively arranged on the two side walls of the mounting groove; a connecting convex block is arranged on the vibration bracket, and one end of the connecting convex block extends towards the mounting groove.

[0021] A further improvement to the above solution is that the first shock-absorbing connecting seat is arranged on the side wall of the mounting groove, and the second shock-absorbing connecting seat is arranged on the connecting convex block.

[0022] A method for electrically testing the shaping of a steel strip includes the new energy battery fixed steel strip extrusion shaping and electrical testing equipment described above;

[0023] The method for electrically testing the shaping of a steel strip includes the following steps:

[0024] Step S1, shaping of the insulating layer of the steel strip: Feed the steel strip into the shaping box. First, blow and cool the outer surface of the insulating layer through a cleaning nozzle for preliminary shaping, and then successively enter the first rolling assembly and the second rolling assembly. The first rolling assembly cooperates with the first upper roller group and the first lower roller group, and under the action of the first condensing pipe, roll and cool the entering insulating layer for shaping; after completing one cooling and shaping, enter the second rolling assembly again, cooperate with the second upper roller group and the second lower roller group, and under the action of the second condensing pipe, roll and cool the entering insulating layer for shaping.

[0025] Step S2, electrical testing of the steel strip: After the insulating layer of the steel strip is roll-shaped, feed the steel strip into the electrical testing box through the electrical testing stretching roller. Before entering the electrical testing box, visually detect the appearance of the insulating layer on the steel strip through the appearance detection component; after completion of the detection, enter the electrical testing component. The vibration motor of the electrical testing component drives the vibration bracket to vibrate, and at the same time drives the steel ball string to move along the transmission direction of the steel strip to pierce and conduct electricity test the insulating layer of the steel strip. At the same time, the conductive brush conducts a contact test under the steel ball string.

[0026] The beneficial effects of the present utility model are:

[0027] Compared with the existing steel strip preparation, the utility model successively extrudes and coats an insulating layer on the steel strip, then cools and shapes the insulating layer through a shaping mechanism, conducts an electrical test through an electrical testing mechanism after the cooling and shaping is completed, and then winds up the steel strip after the electrical test is completed, realizing the automated production of the steel strip without manual intervention. It solves the problem of high difficulty in the automated production of the packaging steel strip for existing new energy battery packs, saves manpower and material resources, improves the degree of automation, and ensures the insulation and safety after the electrical test.

[0028] The extruder in the extrusion coating mechanism is connected to the extrusion die. The steel strip is guided towards the extrusion die through the guide roller, ensuring the position stability of the steel strip during the extrusion process and realizing the precise extrusion coating of the steel strip. The extrusion die includes a first extrusion channel, a second extrusion channel, and a third extrusion channel, which can achieve multi-channel extrusion, enabling the steel strip to be coated with multiple layers of materials at the same time, improving the flexibility and diversity of production. The inlet channel of the extrusion die can be connected to different extrusion ends, realizing rapid die change and adjustment, adapting to the extrusion production of steel strips with different specifications and requirements, and reducing the die change time and cost. The shaping mechanism can perform shaping treatment on the extruded steel strip as needed, ensuring that the size and shape of the product meet the requirements, and improving the processing precision and consistency of the product. The equipment is equipped with an electrical testing mechanism, which can conduct an electrical test on the steel strip online, monitor the product quality in real time, discover problems in a timely manner and make adjustments, improving the product quality control ability.

[0029] The shaping mechanism can blow air and clean the outer surface of the insulating layer through the cleaning nozzle, ensuring that the surface of the insulating layer is clean and dust-free, and improving the quality and reliability of the insulating layer. The first roll pressing component performs primary roll forming on the insulating layer, enabling the insulating layer to obtain an appropriate thickness and flatness, and improving the appearance and performance of the insulating layer. The second roll pressing component performs secondary roll pressing on the steel strip that has undergone primary roll forming, further processing and adjusting the thickness and flatness of the insulating layer, and ensuring the stability of the product size and quality. The setting of the shaping mechanism enables the entire production process to achieve automated operation, improves production efficiency, reduces human intervention, and reduces production costs. Through primary and secondary roll forming, precise forming of the insulating layer can be achieved, ensuring that the thickness and flatness of the insulating layer meet the requirements, and improving the processing precision and consistency of the product.

[0030] The electrical measurement mechanism enables the tension of the steel strip to be stretched and transmitted into the electrical measurement box through the setting of the electrical measurement stretching rollers, which is beneficial for subsequent electrical performance tests. The appearance detection component is located on one side of the electrical measurement box and is used to detect the appearance of the steel strip, including surface quality, flatness, etc., which helps to timely detect surface defects and problems and improve the appearance quality of the product. The electrical test component is set inside the electrical measurement box and can test the electrical performance of the steel strip, including detection of electrical conductivity, insulation performance, etc., to ensure that the product meets the electrical performance requirements. Two groups of electrical measurement stretching rollers are set, which can transmit the tension of the steel strip more stably and evenly, improving the accuracy and reliability of the test. The function of the electrical measurement mechanism enables real-time monitoring and testing of the electrical performance and appearance of the steel strip, which is beneficial for ensuring product quality and reducing the defective rate in production.

[0031] The electrical test component can effectively reduce the influence of external vibration on the test results and improve the stability and accuracy of the test by setting structures such as mounting brackets and shock-absorbing elements. The vibration motor drives the vibration bracket to vibrate, driving the shaking of the steel ball string, enabling comprehensive detection of the electrical performance of the steel strip during the test. The conductive brush is located under the steel ball string and is used to contact the lower surface of the steel strip, ensuring the reliability and accuracy of the electrical test. Multiple groups of steel ball strings are set, increasing the coverage area of the test area, which is beneficial for more comprehensive test analysis of the electrical performance of the steel strip. Through the driving method of the vibration motor, the automated test of the electrical performance of the steel strip is realized, improving the test efficiency, reducing human intervention, and reducing the test time and cost. Combining the design of the vibration bracket and the steel ball string, the efficient test of the electrical performance of the steel strip is realized, which is beneficial for improving production efficiency and product quality control.

[0032] The steel strip shaping and electrical measurement method realizes the precise cooling and shaping of the insulating layer of the steel strip through the shaping box, cleaning nozzle, first rolling component, and second rolling component in step S1, ensuring that the thickness and flatness of the insulating layer meet the requirements and improving the processing accuracy and consistency of the product. The appearance detection component in step S2 is used for visual detection of the appearance of the insulating layer on the steel strip, including surface quality, flatness, etc., which helps to timely detect surface defects and problems and improve the appearance quality of the product. The steel strip is sent into the electrical measurement box through the electrical measurement stretching rollers, and under the action of the electrical test component, the automated test of the electrical performance of the steel strip is realized, including puncture conduction test and contact test, which is beneficial for ensuring that the electrical performance of the product meets the requirements. The integrated process of steel strip shaping and electrical measurement is realized, improving production efficiency, reducing the defective rate in production, and reducing labor costs. The comprehensive monitoring and testing of the internal and external appearance and electrical performance of the insulating layer of the steel strip are realized, which is beneficial for improving the product quality control ability. Description of the Drawings

[0033] Figure 1It is a three-dimensional structural schematic diagram of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries of the present utility model;

[0034] Figure 2 is Figure 1 The three-dimensional structural schematic diagram of another perspective of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries in

[0035] Figure 3 is Figure 1 The front view structural schematic diagram of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries in

[0036] Figure 4 is Figure 1 The structural schematic diagram of the extrusion die of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries in

[0037] Figure 5 is Figure 1 The structural schematic diagram of the extrusion die of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries in

[0038] Figure 6 is Figure 1 The structural schematic diagram of the shaping mechanism of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries in

[0039] Figure 7 is Figure 1 The structural schematic diagram of the electrical testing mechanism of the extrusion molding and electrical testing equipment for the fixing steel belt of new energy batteries in

[0040] Explanation of reference numerals: Workbench 1, Extrusion guiding roller 11;

[0041] Extrusion coating mechanism 2, Extruder 21, Extrusion die 22, Die body 221, First extrusion channel 222, First annular channel 2221, First inclined channel 2222, Second extrusion channel 223, Second annular channel 2231, Second inclined channel 2232, Third extrusion channel 224, Third annular channel 2241, Third inclined channel 2242, Extrusion cavity 225, Introduction seat 226, Discharge seat 227, Introduction channel 228

[0042] Shaping mechanism 3, Shaping box body 31, Cleaning nozzle 32, First roller pressing assembly 33, First upper roller group 331, First upper roller shaping groove 3311, First lower roller group 332, First lower roller shaping groove 3321, Second roller pressing assembly 34, Second upper roller group 341, Second upper roller shaping groove 3411, Second lower roller group 342, Second lower roller shaping groove 3421, Second condensing pipe 343,

[0043] Electrical measurement mechanism 4, electrical measurement stretching roller 41, appearance detection component 42, upper CCD camera 421, upper light source 422, lower CCD camera 423, lower light source 424, electrical measurement box 43, electrical measurement test component 44, mounting bracket 441, mounting groove 4411, shock-absorbing element 442, first shock-absorbing connection seat 4421, second shock-absorbing connection seat 4422, shock-absorbing spring 4423, vibration bracket 443, connecting bump 4431, vibration motor 444, steel ball string 445, conductive brush 446

[0044] Rewinding mechanism 5, marking component 6, pressing cylinder 61, marking pen 62 Detailed implementation manners

[0045] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

[0046] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. Such as Figures 1 to 7As shown in the figure, in an embodiment of the present utility model, a plastic extrusion and shaping electrical testing device for fixing steel strips of new energy batteries is involved, including a workbench 1, a plastic extrusion and coating mechanism 2, a shaping mechanism 3, an electrical testing mechanism 4, and a winding mechanism 5. The plastic extrusion and coating mechanism 2, the shaping mechanism 3, the electrical testing mechanism 4, and the winding mechanism 5 are sequentially arranged on the workbench 1. The plastic extrusion and coating mechanism 2 includes an extruder 21 and a plastic extrusion die 22. The extrusion end of the extruder 21 is connected to the plastic extrusion die 22. The workbench 1 is provided with a plastic extrusion guide roller 11, and the plastic extrusion guide roller 11 is used to guide the steel strip towards the plastic extrusion die 22. In this embodiment, the steel strip is successively extruded and coated with an insulating layer, then the insulating layer is cooled and shaped by the shaping mechanism 3. After the cooling and shaping are completed, electrical testing is performed by the electrical testing mechanism 4, and after the electrical testing is completed, winding is carried out, realizing the automated production of the steel strip without manual intervention. It solves the problem of high difficulty in the automated production of the packaging steel strips of existing new energy battery packs, saves manpower and material resources, improves the degree of automation, and ensures insulation and safety after electrical testing.

[0048] Referring to Figure 4 As shown in the figure, the plastic extrusion die 22 includes a die body 221, a first extrusion channel 222, a second extrusion channel 223, a third extrusion channel 224, and an extrusion cavity 225 arranged in the die body 221. The extrusion cavity 225 horizontally penetrates both ends of the die body 221. Both ends of the die body 221 are respectively provided with an inlet seat 226 and an outlet seat 227. One end of the die body 221 is provided with an inlet channel 228. One end of the inlet channel 228 is connected to the extrusion end of the extruder 21, and the other end is respectively connected to the first extrusion channel 222, the second extrusion channel 223, and the third extrusion channel 224. In this embodiment, the extruder 21 in the plastic extrusion and coating mechanism 2 is connected to the plastic extrusion die 22, and the steel strip is guided towards the plastic extrusion die 22 through the guide roller, ensuring the position stability of the steel strip during the plastic extrusion process and realizing the precise plastic extrusion and coating of the steel strip. The plastic extrusion die 22 includes a first extrusion channel 222, a second extrusion channel 223, and a third extrusion channel 224, which can realize multi-channel extrusion, enabling the steel strip to be coated with multiple layers of materials at the same time, improving the flexibility and diversity of production. The inlet channel 228 of the plastic extrusion die 22 can be connected to different extrusion ends, realizing rapid die change and adjustment, adapting to the plastic extrusion production of steel strips with different specifications and requirements, and reducing the die change time and cost. The shaping mechanism 3 can perform shaping treatment on the extruded steel strip as needed, ensuring that the size and shape of the product meet the requirements and improving the processing accuracy and consistency of the product. The device is equipped with an electrical testing mechanism 4, which can perform electrical testing on the steel strip online, monitor the product quality in real time, discover problems in a timely manner and make adjustments, improving the product quality control ability.

[0049] Referring to Figure 5As shown in the figure, the first extrusion channel 222 is provided with a first annular channel 2221 and a first inclined channel 2222. The first annular channel 2221 is used to connect the inlet channel 228 and the first inclined channel 2222. There are two first inclined channels 2222, and the two first inclined channels 2222 are symmetrically arranged with the extrusion cavity 225 as the center. The first inclined channel 2222 is used to extrude the material towards the extrusion cavity 225. The second extrusion channel 223 is provided with a second annular channel 2231 and a second inclined channel 2232. The second annular channel 2231 is used to connect the inlet channel 228 and the second inclined channel 2232. There are two second inclined channels 2232, and the two second inclined channels 2232 are symmetrically arranged with the extrusion cavity 225 as the center. The second inclined channel 2232 is used to extrude the material towards the extrusion cavity 225. The third extrusion channel 224 is provided with a third annular channel 2241 and a third inclined channel 2242. The third annular channel 2241 is used to connect the inlet channel 228 and the third inclined channel 2242. There are two third inclined channels 2242, and the two third inclined channels 2242 are symmetrically arranged with the extrusion cavity 225 as the center. The third inclined channel 2242 is used to extrude the material towards the extrusion cavity 225. In this embodiment, by setting multiple annular channels and symmetrically arranged inclined channels, precise extrusion of the material towards the extrusion cavity 225 is achieved, which is beneficial to ensuring the uniformity and stability of the material flow during the extrusion process. By setting multiple extrusion channels, multi-channel extrusion can be carried out simultaneously, improving production efficiency and reducing the production cycle, meeting the requirements of modern manufacturing for equipment high-efficiency. The precise extrusion channel design helps to control the flow trajectory and speed of the material, thereby improving the consistency and quality stability of the product. Through the precise extrusion channel design, the flow and utilization of the raw material can be effectively controlled, reducing the scrap rate and increasing the material utilization rate.

[0050] The first inclined channel 2222 is used to extrude and form a first material layer on the steel belt. The second inclined channel 2232 is used to extrude and form a second material layer on the first material layer. The third channel is used to extrude and form a third material layer on the second material layer. The first material layer, the second material layer and the third material layer are combined to form an insulating layer. In this embodiment, through the method of layered extrusion, multiple layers of materials are formed on the steel belt. Each layer is precisely controlled and extruded, which is beneficial to forming a composite insulating layer and improving the uniformity and stability of the insulating layer. The first inclined channel 2222 forms the first material layer, the second inclined channel 2232 forms the second material layer on it, and the third inclined channel 2242 forms the third material layer on the second material layer. These layers are combined to form an insulating layer, which has good insulation performance and durability. The insulating layer formed by multi-layer extrusion has better insulation performance and mechanical properties, which is beneficial to improving the quality and reliability of the product.

[0051] Refer to Figure 6 As shown, the shaping mechanism 3 includes a shaping box body 31, a cleaning nozzle 32, a first rolling assembly 33, and a second rolling assembly 34 that are sequentially arranged in the shaping box body 31; the cleaning nozzle 32 is used to blow air and clean the outer surface of the insulating layer, the first rolling assembly 33 performs primary rolling forming on the insulating layer, and the second rolling assembly 34 performs secondary rolling on the steel strip that has undergone primary rolling forming. In this embodiment, the shaping mechanism 3 can blow air and clean the outer surface of the insulating layer through the cleaning nozzle 32, ensuring that the surface of the insulating layer is clean and dust-free, improving the quality and reliability of the insulating layer. The first rolling assembly 33 performs primary rolling forming on the insulating layer, enabling the insulating layer to obtain an appropriate thickness and flatness, improving the appearance and performance of the insulating layer. The second rolling assembly 34 performs secondary rolling on the steel strip that has undergone primary rolling forming, further processing and adjusting the thickness and flatness of the insulating layer, ensuring the stability of the product size and quality. The setting of the shaping mechanism 3 enables the entire production process to achieve automated operation, improving production efficiency, reducing human intervention, and lowering production costs. Through primary and secondary rolling forming, precise forming of the insulating layer can be achieved, ensuring that the thickness and flatness of the insulating layer meet the requirements, improving the processing accuracy and consistency of the product.

[0052] The first rolling assembly 33 includes a first upper roll group 331 and a first lower roll group 332, and first condensing pipes 333 are arranged in both the first upper roll group 331 and the first lower roll group 332 to cool and shape the insulating layer by rolling; the second rolling assembly 34 includes a second upper roll group 341 and a second lower roll group 342, and second condensing pipes 343 are arranged in both the second upper roll group 341 and the second lower roll group 342 to cool and shape the insulating layer by rolling. In this embodiment, condensing pipes are arranged in the first rolling assembly 33 and the second rolling assembly 34, and precise cooling of the insulating layer is achieved through rolling cooling and shaping, ensuring that the thickness and flatness of the insulating layer meet the requirements, improving the processing accuracy and consistency of the product. Through the setting of the condensing pipes, the temperature of the insulating layer during the rolling process can be effectively controlled, preventing material deformation or quality problems caused by excessive temperature, which is beneficial to ensuring the quality stability of the product. The precise cooling and shaping design helps to increase the production speed, reduce the production cycle, improve production efficiency, and meet the requirements of modern manufacturing for equipment high-efficiency.

[0053] The first upper roller set 331 is provided with a first upper roller shaping groove 3311, the first lower roller set 332 is provided with a first lower roller shaping groove 3321, the first upper roller shaping groove 3311 and the first lower roller shaping groove 3321 are arranged oppositely, and the first condensing pipe 333 is close to the first upper roller shaping groove 3311 and the first lower roller shaping groove 3321 to cool and shape the insulating layer. Specifically, the second upper roller set 341 is provided with a second upper roller shaping groove 3411, the second lower roller set 342 is provided with a second lower roller shaping groove 3421, the second upper roller shaping groove 3411 and the second lower roller shaping groove 3421 are arranged oppositely, and the second condensing pipe 343 is close to the second upper roller shaping groove 3411 and the second lower roller shaping groove 3421 to cool and shape the insulating layer. In this embodiment, through the corresponding shaping grooves arranged in the first upper roller set 331 and the first lower roller set 332 and the first condensing pipe 333 close to the shaping grooves, precise cooling and shaping of the insulating layer are achieved, ensuring that the shape and thickness of the insulating layer meet the requirements, improving the processing precision and consistency of the product. The combined design of the shaping groove and the condensing pipe helps to control the temperature of the insulating layer during the shaping process, prevent material deformation or quality problems caused by excessive temperature, and is conducive to ensuring the quality stability of the product. Through the combined design of the shaping groove and the condensing pipe, energy consumption can be effectively reduced, the energy utilization efficiency is improved, and it conforms to the development trend of energy conservation and environmental protection.

[0054] Referring to Figure 7 As shown, the electrical measurement mechanism 4 includes electrical measurement tension rollers 41, an appearance detection component 42, an electrical measurement box 43, and an electrical measurement component 44. There are two sets of electrical measurement tension rollers 41, and the two sets of electrical measurement tension rollers 41 are used to stretch and transmit the steel strip tension into the electrical measurement box 43; the appearance detection component 42 is arranged on the workbench 1 and is located on one side of the electrical measurement box 43, and the electrical measurement component 44 is arranged in the electrical measurement box 43. In this embodiment, due to the arrangement of the electrical measurement tension rollers 41 in the electrical measurement mechanism 4, the tension of the steel strip can be stretched and transmitted into the electrical measurement box 43, which is beneficial for subsequent electrical performance tests. The appearance detection component 42 is located on one side of the electrical measurement box 43 and is used to detect the appearance of the steel strip, including surface quality, flatness, etc., which helps to timely discover surface defects and problems and improve the appearance quality of the product. The electrical measurement component 44 is arranged in the electrical measurement box 43 and can test the electrical performance of the steel strip, including detections of electrical conductivity, insulation performance, etc., to ensure that the product meets the electrical performance requirements. By arranging two sets of electrical measurement tension rollers 41, the tension of the steel strip can be transmitted more stably and evenly, improving the accuracy and reliability of the test. The function of the electrical measurement mechanism 4 enables real-time monitoring and testing of the electrical performance and appearance of the steel strip, which is beneficial for ensuring the product quality and reducing the defective rate in production.

[0055] The electrical test component 44 includes a mounting bracket 441, a shock-absorbing element 442, a vibration bracket 443, a vibration motor 444, a steel ball string 445, and a conductive brush 446. There are two sets of the mounting brackets 441, and the two sets of mounting brackets 441 are symmetrically arranged. The shock-absorbing element 442 is arranged on the opposite side of the two sets of mounting brackets 441. Both ends of the vibration bracket 443 are connected to the shock-absorbing element 442. The vibration motor 444 is arranged on the vibration bracket 443. There are multiple sets of the steel ball strings 445, and all the multiple sets of steel ball strings 445 are arranged on the vibration bracket 443. The vibration motor 444 is used to drive the vibration bracket 443 to vibrate, so as to drive the steel ball string 445 to shake. The conductive brush 446 is located below the steel ball string 445 to correspond to the lower surface of the steel strip. In this embodiment, by arranging structures such as the mounting bracket 441 and the shock-absorbing element 442, the electrical test component 44 can effectively reduce the influence of external vibration on the test results, and improve the stability and accuracy of the test. The vibration motor 444 drives the vibration bracket 443 to vibrate, driving the steel ball string 445 to shake, so that the electrical performance of the steel strip can be comprehensively detected during the test. The conductive brush 446 is located below the steel ball string 445 and is used to contact the lower surface of the steel strip, ensuring the reliability and accuracy of the electrical test. Multiple sets of steel ball strings 445 are provided, increasing the coverage area of the test region, which is beneficial to a more comprehensive test analysis of the electrical performance of the steel strip. Through the driving method of the vibration motor 444, the automatic test of the electrical performance of the steel strip is realized, improving the test efficiency, reducing the human intervention, and reducing the test time and cost. Combining the design of the vibration bracket 443 and the steel ball string 445, the efficient test of the electrical performance of the steel strip is realized, which is beneficial to improving the production efficiency and product quality control.

[0056] A marking component 6 is arranged behind the electrical test component 44 in the electrical test box 43. The marking component 6 includes a pressing cylinder 61 and a marking pen 62 arranged on the pressing cylinder 61. The pressing cylinder 61 is used to drive the marking pen 62 to mark a mark on the steel strip. In this embodiment, by driving the marking pen 62 to mark on the steel strip through the pressing cylinder 61, an automatic marking process is realized, improving the accuracy and consistency of the marking. The marking component 6 can mark corresponding marks on the steel strip, which is beneficial to the production traceability and quality management of the product, and improves the traceability and management efficiency of the product. Especially mark the previous electrical test results.

[0057] The electrical test stretching roller 41 is provided with a driving motor (not shown in the figure), and the driving motor (not shown in the figure) is used to drive the electrical test stretching roller 41 to rotate, so as to drive the steel strip to be transmitted. In this embodiment, by using the driving motor (not shown in the figure) to drive the rotation of the electrical test stretching roller 41, it can stop or decelerate during the marking and drawing.

[0058] The appearance detection component 42 includes an upper CCD camera 421, an upper light source 422, a lower CCD camera 423, and a lower light source 424; the upper CCD camera 421 is used to photograph and detect the upper surface of the insulating layer, the lower CCD camera 423 is used to photograph and detect the lower surface of the insulating layer, the upper light source 422 is used to supplement light for the upper surface of the insulating layer, and the lower light source 424 is used to supplement light for the lower surface of the insulating layer. In this embodiment, the upper CCD camera 421 and the lower CCD camera 423 are used to photograph and detect the upper surface and the lower surface of the insulating layer, realizing a comprehensive visual inspection of the insulating layer, which is beneficial to discovering surface defects, foreign objects, or other quality problems. The light supplement design of the upper light source 422 and the lower light source 424 helps to provide sufficient light irradiation, improving the clarity and contrast of the detection image, which is beneficial to improving the accuracy and precision of the detection. Through the combined design of the CCD camera and the light source, an automated visual inspection process is realized, reducing the complexity of manual inspection and improving the consistency and efficiency of the inspection.

[0059] The shock-absorbing element 442 includes a first shock-absorbing connection seat 4421 and a second shock-absorbing connection seat 4422. A shock-absorbing spring 4423 is arranged between the first shock-absorbing connection seat 4421 and the second shock-absorbing connection seat 4422. The mounting bracket 441 is provided with a mounting groove 4411. There are two groups of shock-absorbing elements 442, and the two groups of shock-absorbing elements 442 are respectively arranged on the two side walls of the mounting groove 4411; a connecting convex block 4431 is arranged on the vibration bracket 443, and one end of the connecting convex block 4431 extends towards the mounting groove 4411. In this embodiment, by arranging the shock-absorbing spring 4423 between the first shock-absorbing connection seat 4421 and the second shock-absorbing connection seat 4422, and arranging the shock-absorbing element 442 on the two side walls of the mounting groove 4411, the shock-absorbing effect on the equipment vibration is realized, which helps to improve the equipment stability and operation smoothness. The design of the connecting convex block 4431 helps to fix the shock-absorbing element 442, effectively controlling the vibration amplitude of the equipment, reducing the influence of the vibration during the equipment operation on other components, and being beneficial to extending the service life of the equipment parts. The setting of the shock-absorbing element 442 helps to reduce the unstable factors generated by the equipment due to vibration, improving the stability and reliability of the equipment, which is beneficial to ensuring the stable progress of the production process. The setting of the shock-absorbing element 442 can reduce the influence of the equipment vibration on the working environment and the operators, improving the safety of the equipment, which is beneficial to ensuring the safe production at the production site.

[0060] A steel strip shaping electrical measurement method includes the new energy battery fixed steel strip extrusion shaping electrical measurement equipment described above; the steel strip shaping electrical measurement method includes the following steps:

[0061] Step S1, shaping of the steel strip insulation layer: Feed the steel strip into the shaping box body 31. First, blow air to cool and preliminarily shape the outer surface of the insulation layer through the cleaning nozzle 32, and then successively enter the first rolling component 33 and the second rolling component 34. The first rolling component 33 cooperates with the first upper roll group 331 and the first lower roll group 332, and under the action of the first condensing pipe 333, roll and cool and shape the incoming insulation layer; after one cooling and shaping, enter the second rolling component 34, cooperate with the second upper roll group 341 and the second lower roll group 342, and under the action of the second condensing pipe 343, roll and cool and shape the incoming insulation layer; Step S2, electrical measurement of the steel strip: After the insulation layer of the steel strip is roll-shaped, feed the steel strip into the electrical measurement box 43 through the electrical measurement and stretching roller 41. Before entering the electrical measurement box 43, visually inspect the appearance of the insulation layer on the steel strip through the appearance detection component 42; after the inspection, enter the electrical measurement component 44. The vibration motor 444 of the electrical measurement component 44 drives the vibration bracket 443 to vibrate, and at the same time drives the steel ball string 445 to move along the transmission direction of the steel strip to pierce and conduct electricity test the insulation layer of the steel strip. At the same time, the conductive brush 446 conducts a contact test under the steel ball string 445. In this embodiment, for the steel strip shaping and electrical measurement method, through the shaping box body 31, the cleaning nozzle 32, the first rolling component 33 and the second rolling component 34 in step S1, precise cooling and shaping of the steel strip insulation layer are realized, ensuring that the thickness and flatness of the insulation layer meet the requirements, and improving the processing precision and consistency of the product. The appearance detection component 42 in step S2 is used to visually inspect the appearance of the insulation layer on the steel strip, including surface quality, flatness, etc., which helps to timely detect surface defects and problems and improve the appearance quality of the product. Feed the steel strip into the electrical measurement box 43 through the electrical measurement and stretching roller 41. Under the action of the electrical measurement component 44, automatic testing of the electrical properties of the steel strip is realized, including piercing and conducting electricity test and contact test, which is beneficial to ensuring that the electrical properties of the product meet the requirements. The integrated process of shaping and electrical measurement of the steel strip is realized, improving the production efficiency, reducing the defective rate in production, and reducing the labor cost. The comprehensive monitoring and testing of the internal and external appearance and electrical properties of the steel strip insulation layer are realized, which is beneficial to improving the product quality control ability.

[0062] The above embodiments only represent several implementation manners of the present invention, and their descriptions are relatively specific and detailed, but should not be construed as limiting the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

1. A fixed steel strip extrusion and shaping electrical testing device for new energy batteries, characterized in that: It includes a workbench, an extrusion coating mechanism, a shaping mechanism, an electrical measurement mechanism, and a winding mechanism. The extrusion coating mechanism, the shaping mechanism, the electrical measurement mechanism, and the winding mechanism are sequentially arranged on the workbench. The extrusion coating mechanism includes an extruder and an extrusion die. The extrusion end of the extruder is connected to the extrusion die. The workbench is provided with an extrusion guide roller for guiding the steel strip towards the extrusion die. The extrusion die includes a die body, a first extrusion channel, a second extrusion channel, a third extrusion channel, and an extrusion cavity arranged in the die body. The extrusion cavity horizontally penetrates both ends of the die body. An inlet seat and an outlet seat are respectively arranged at both ends of the die body. An inlet channel is arranged at one end of the die body. One end of the inlet channel is connected to the extrusion end of the extruder, and the other end is respectively connected to the first extrusion channel, the second extrusion channel, and the third extrusion channel. The shaping mechanism includes a shaping box body, a cleaning nozzle, a first rolling component, and a second rolling component sequentially arranged in the shaping box body. The cleaning nozzle is used for blowing and cooling and cleaning the outer surface of the insulating layer. The first rolling component performs primary rolling forming on the insulating layer. The second rolling component performs secondary rolling on the steel strip that has undergone primary rolling forming. The electrical measurement mechanism includes two sets of electrical measurement stretching rollers, an appearance detection component, an electrical measurement box, and an electrical measurement component. The two sets of electrical measurement stretching rollers are used for stretching and transmitting the steel strip tension into the electrical measurement box. The appearance detection component is arranged on the workbench and is located on one side of the electrical measurement box. The electrical measurement component is arranged in the electrical measurement box. The electrical measurement component includes two sets of mounting brackets, shock-absorbing elements, a vibrating bracket, a vibrating motor, a string of steel balls, and a conductive brush. The two sets of mounting brackets are symmetrically arranged. The shock-absorbing elements are arranged on the opposite sides of the two sets of mounting brackets. Both ends of the vibrating bracket are connected to the shock-absorbing elements. The vibrating motor is arranged on the vibrating bracket. A plurality of sets of the string of steel balls are arranged on the vibrating bracket. The vibrating motor is used to drive the vibrating bracket to vibrate, so as to drive the string of steel balls to shake. The conductive brush is located below the string of steel balls to correspond to the lower surface of the steel strip. A marking component is arranged behind the electrical measurement box of the electrical measurement component. The marking component includes a pressing cylinder and a marking pen arranged on the pressing cylinder. The pressing cylinder is used to drive the marking pen to mark a mark on the steel strip.

2. The extruding and shaping electrical testing equipment for the fixing steel strip of the new energy battery according to claim 1, wherein: The first extrusion channel is provided with a first annular channel and a first inclined channel. The first annular channel is used to connect the inlet channel and the first inclined channel. There are two first inclined channels, and the two first inclined channels are symmetrically arranged with the extrusion cavity as the center. The first inclined channel is used to extrude the material towards the extrusion cavity.

3. The extrusion shaping and electrical testing equipment for the fixing steel strip of the new energy battery according to claim 2, wherein: The second extrusion channel is provided with a second annular channel and a second inclined channel. The second annular channel is used to connect the inlet channel and the second inclined channel. There are two second inclined channels, and the two second inclined channels are symmetrically arranged with the extrusion cavity as the center. The second inclined channel is used to extrude the material towards the extrusion cavity.

4. The extrusion and shaping electrical testing equipment for fixing steel strips of new energy batteries according to claim 3, characterized in that: The third extrusion channel is provided with a third annular channel and a third inclined channel. The third annular channel is used to connect the introduction channel and the third inclined channel. There are two third inclined channels, and the two third inclined channels are symmetrically arranged with the extrusion cavity as the center. The third inclined channel is used to extrude the material towards the extrusion cavity.

5. The extrusion and shaping electrical measurement device for fixing the steel belt of the new energy battery according to claim 4, characterized in that: The first inclined channel is used to extrude a first material layer on the steel belt. The second inclined channel is used to extrude a second material layer on the first material layer. The third channel is used to extrude a third material layer on the second material layer. The first material layer, the second material layer and the third material layer are combined to form an insulating layer.

6. The extrusion and shaping electrical testing equipment for fixing steel strips of new energy batteries according to claim 1, characterized in that: The first rolling component includes a first upper roller group and a first lower roller group. First condensation tubes are arranged in both the first upper roller group and the first lower roller group to cool and shape the insulating layer by rolling. The second rolling component includes a second upper roller group and a second lower roller group. Second condensation tubes are arranged in both the second upper roller group and the second lower roller group to cool and shape the insulating layer by rolling.

7. The extrusion molding and electrical testing equipment for fixing steel strips of new energy batteries according to claim 6, characterized in that: The first upper roller group is provided with a first upper roller shaping groove, and the first lower roller group is provided with a first lower roller shaping groove. The first upper roller shaping groove and the first lower roller shaping groove are arranged opposite to each other. The first condensation tube is close to the first upper roller shaping groove and the first lower roller shaping groove to cool and shape the insulating layer. The second upper roller group is provided with a second upper roller shaping groove, and the second lower roller group is provided with a second lower roller shaping groove. The second upper roller shaping groove and the second lower roller shaping groove are arranged opposite to each other. The second condensation tube is close to the second upper roller shaping groove and the second lower roller shaping groove to cool and shape the insulating layer.

8. The extrusion and shaping electrical testing equipment for fixing steel strips of new energy batteries according to claim 1, characterized in that: The electrical measurement and stretching roller is provided with a driving motor, and the driving motor is used to drive the electrical measurement and stretching roller to rotate to drive the steel belt to transmit. The appearance detection component includes an upper CCD camera, an upper light source, a lower CCD camera and a lower light source. The upper CCD camera is used to photograph and detect the upper surface of the insulating layer. The lower CCD camera is used to photograph and detect the lower surface of the insulating layer. The upper light source is used to supplement light for the upper surface of the insulating layer, and the lower light source is used to supplement light for the lower surface of the insulating layer.

9. The extrusion and shaping electrical measurement device for the fixing steel strip of the new energy battery according to claim 1, characterized in that: The shock-absorbing element includes a first shock-absorbing connecting seat and a second shock-absorbing connecting seat. A shock-absorbing spring is arranged between the first shock-absorbing connecting seat and the second shock-absorbing connecting seat. The mounting bracket is provided with a mounting groove. There are two groups of shock-absorbing elements, and the two groups of shock-absorbing elements are respectively arranged on the two side walls of the mounting groove. A connecting convex block is arranged on the vibration bracket, and one end of the connecting convex block extends towards the mounting groove.

10. The extrusion and shaping electrical measurement device for fixing steel strips of new energy batteries according to claim 9, characterized in that: The first shock-absorbing connecting seat is arranged on the side wall of the mounting groove, and the second shock-absorbing connecting seat is arranged on the connecting convex block.

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