Silver paste tank structure for coating silver paste

Abstract

The utility model discloses a silver paste tank structure for coating silver paste. And the two self-adaptive mechanisms and the scrapers are symmetrically arranged on the two sides of the smearing wheel on the rack. Each self-adaptive mechanism is composed of at least three passive linear freedom degrees arranged in an annular array mode, and free movement and elastic feedback within a certain range can be provided. When the smearing wheel jumps, according to the jumping direction, the corresponding linear freedom degree in one self-adaptive mechanism is compressed, the stroke retracts, and elastic force storage is achieved; the self-adaptive mechanism introduced in the utility model can respond to the jumping of the smearing wheel in real time, dynamically adjust the position and the angle, and ensure that the constant contact area and the constant contact angle are kept between the scraper and the smearing wheel when the smearing wheel jumps. And the stability and the reliability of the production process are obviously improved by the self-adaptability. And the impact force is effectively absorbed and dispersed, so that the occurrence of collapse phenomena is greatly reduced, and the service lives of the scraping blade and the smearing wheel are prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical component processing, in particular to a silver paste tank structure for coating silver paste. Background Art

[0002] The positive electrode is a key component of lithium-ion batteries. It is usually made of a mixture of active materials, conductive agents and binders, and coated on metal foil (such as aluminum foil). Silver paste coating is an important process to improve the conductivity and stability of the positive electrode. Silver paste has good conductivity and corrosion resistance. By coating with silver paste, a uniform conductive layer can be formed on the surface of the positive electrode, thereby reducing the internal resistance and improving the charge and discharge efficiency of the battery.

[0003] The silver paste tank structure for coating the positive electrode with silver paste usually includes a silver paste tank body, a coating wheel, and a scraper made of white plastic steel material. In this structure, a tank body for placing silver paste is provided on the silver paste tank body, and white plastic steel scrapers are provided on both sides of the tank body. One side of the coating wheel is embedded in the silver paste outlet groove formed by the two scrapers. In actual operation, the coating wheel will rotate to evenly coat the silver paste on the positive electrode. The scraper serves to scrape off excess silver paste to ensure uniformity and consistency of coating.

[0004] If the gap between the smear wheel and the scraper is not set properly, the smear wheel may encounter uneven resistance during rotation, resulting in jumping. Or the viscosity and density of the silver paste may affect the stability of the smear wheel, resulting in jumping. When the smear wheel jumps, the impact force it generates will destroy the balance between the smear wheel and the scraper, causing the contact pressure between them to increase instantly and make rigid contact; therefore, when the smear wheel jumps, it will either collapse itself due to the fixation of the silver paste tank, or collapse the scraper.

[0005] In order to solve this technical problem, the prior art has adopted a variety of structures for improvement; for example, as disclosed in Chinese utility model patent CN202122498802.8, a silver paste tank structure for coating the positive electrode with silver paste, in which springs perpendicular to the axial direction of the coating wheel are arranged at both ends of the silver paste tank body for elastic cooperation, so that the scraper blade can still fit tightly to the outer side of the coating wheel when the coating wheel jumps, thereby ensuring that the scraper blade always keeps in contact with the coating wheel and dissipates the jumping force to avoid collapse.

[0006] However, this arrangement still has some problems: the traditional mode is to set springs perpendicular to the axis of the coating wheel at both ends of the silver paste tank body for elastic matching, but the force generated by the bouncing of the coating wheel is not necessarily perpendicular to the axis of the coating wheel. When the coating wheel is tilted and bouncing, the force of the traditional spring is not the best relative force angle for its elastic extrusion, and thus collapse may still occur. In other words, the adaptability of the traditional technology is insufficient.

[0007] To this end, the utility model provides a silver paste tank structure for coating silver paste. Utility Model Content

[0008] In view of this, the embodiment of the utility model hopes to provide a silver paste tank structure for coating silver paste to solve the following technical problems in the prior art: when the coating wheel is tilted and bounced, how to adapt based on the relative force angle to prevent possible collapse, and at least provide a beneficial option for this; the technical solution of the utility model is implemented as follows:

[0009] A silver paste tank structure for coating silver paste, comprising a conventional coating wheel 1 for coating silver paste and a motor for driving the coating wheel 1 to rotate, and also comprising a frame 2 with a receiving groove 201, wherein the receiving groove 201 contains silver paste, and the coating wheel 1 is arranged in the receiving groove 201; the coating wheel 1 is embedded in the interior of the receiving groove 201, so that the silver paste can be retained on the outside of the coating wheel 1, and when the coating wheel 1 rotates, the silver paste is transferred to the outside of the coating wheel 1, so that the positive electrode sheet can be coated by the coating wheel 1; based on the above conventional technology, the improvement of this scheme is that: on the frame 2, two adaptive mechanisms 4 and scrapers 202 are symmetrically arranged on both sides of the coating wheel 1. Each adaptive mechanism 4 is composed of at least three passive linear degrees of freedom arranged in a ring array, which can provide free movement and elastic feedback within a certain range. When the smear wheel 1 bounces, according to the direction of the bounce, the corresponding linear degree of freedom in one adaptive mechanism 4 will be compressed, the stroke will be retracted and elastic force will be stored; while the corresponding linear degree of freedom in the other adaptive mechanism 4 will be stretched, the stroke will be output and elastic force will be stored. This mechanism enables the accommodating groove 201 of the frame 2 to adjust its angle according to the bouncing direction of the smear wheel 1 to ensure that the contact area and angle between the scraper 202 and the smear wheel 1 remain constant.

[0010] In one embodiment, a certain adaptation gap 203 is designed between the receiving groove 201 of the frame 2 and the coating wheel 1. This adaptation gap 203 provides a certain movement space for the coating wheel 1 when it jumps. When the coating wheel 1 jumps, due to the existence of the adaptation gap 203, the coating wheel 1 can move freely within a certain range without being immediately restricted or hindered by the receiving groove 201. This design not only ensures that the silver paste can be continuously and evenly coated on the coating wheel 1, but also provides sufficient execution time for the linear freedom of the adaptive mechanism 4. During this period of time, the adaptive mechanism 4 can make corresponding adjustments according to the jumping of the coating wheel 1 to maintain the optimal contact state between the scraper 202 and the coating wheel 1.

[0011] In one embodiment, the frame 2 is slidably matched with the fixed frame 3 through the sliding module 301. The sliding module 301 is composed of a slider and an optical axis, and the slider slides outside the optical axis in the form of clearance fit. The slider is fixed on the frame 2, and the optical axis is fixed on the fixed frame 3. When the smear wheel 1 jumps, the frame 2 can slide along the jumping direction to a certain amount to adapt to the jumping of the smear wheel. At the same time, due to the clearance fit between the slider and the optical axis, the frame 2 can also make a certain amount of angular displacement.

[0012] In one embodiment, the adaptive mechanism 4 is composed of a first frame 401 and a second frame 402 that are opposite to each other, wherein the first frame 401 is fixed to the outside of the frame 2. Between the first frame 401 and the second frame 402, a plurality of elastic linear modules 404 are evenly arranged in the form of a ring array. These elastic linear modules 404 are used to output linear degrees of freedom, that is, they can be extended or moved within a certain range. When the smear wheel 1 jumps, these elastic linear modules 404 will be extended or moved accordingly according to the direction and strength of the jump, thereby adjusting the angle and position of the frame 2 to maintain the optimal contact state between the scraper 202 and the smear wheel 1.

[0013] In one embodiment, when the coating wheel 1 bounces, the bounce will generate a force on the frame 2 along the direction of the bounce. In conventional technology, the frame 2 is fixed, which often leads to damage to the scraper 202 or the coating wheel 1. However, in the present technical solution, the frame 2 can be dynamically adjusted according to the direction of the bouncing force. The frame 2 transmits the bouncing force to the first frame 401, and then the first frame 401 further transmits the force to all elastic linear modules 404. Based on the direction of the bounce, there will always be an elastic linear module 404 that is first subjected to the force (based on the principle that the straight line between two points is the shortest). The elastic linear module 404 that is first subjected to the force will expand and contract according to the direction of the force and elastically store force, thereby causing the first frame 401 to move along the same force direction and angle to offset the impact of the bounce.

[0014] Since the elastic linear modules 404 are evenly arranged in the form of a ring array between the first frame 401 and the second frame 402, the first frame 401 can be adjusted in a universal angle to adapt to the three-dimensional direction of the force. At the same time, the above-described process not only occurs on the adaptive mechanism 4 in the force direction, but the other adaptive mechanism 4 will also make adaptive adjustments according to the displacement of the frame 2 and the change of the three-dimensional angle, and cooperate with the first frame 401 to support it, so as to prevent the frame 2 from vibrating in another direction.

[0015] In one embodiment, when the smear wheel 1 bounces and forms a point contact with the wall structure of the receiving groove 201 of the frame 2 through the matching gap 203, the two adaptive mechanisms 4 and their elastic linear modules 404 start to work and adjust the position and angle to adapt to the jumping of the smear wheel. As the smear wheel 1 continues to jump, when it completely forms a surface contact with the wall structure of the receiving groove 201 through the matching gap 203, the two adaptive mechanisms 4 and their elastic linear modules 404 will drive the frame 2 to adjust the position and angle completely along the jumping direction of the smear wheel 1. In this process, the contact area and angle between the scraper 202 and the smear wheel 1 remain unchanged, thereby avoiding collapse.

[0016] When the jumping phenomenon ends, since the two adaptive mechanisms 4 are in an elastic force storage state, as the smear wheel 1 stops jumping and leaves the wall structure of the accommodating groove 201 (from surface contact to point contact), the force on the two adaptive mechanisms 4 gradually decreases, which is insufficient to maintain the elastic force storage state, so they will gradually reset. When the smear wheel 1 completely returns to the matching gap 203, the two adaptive mechanisms 4 are completely reset to the initial state.

[0017] In one embodiment, the elastic linear module 404 includes a telescopic cylinder 4041, and the cylinder body and piston rod of the telescopic cylinder 4041 are respectively and universally hinged to the first frame 401 and the second frame 402 on their respective opposite sides through a coupling 4042;

[0018] The telescopic cylinder 4041 is provided with a spring 4043, and one end and the other end of the spring 4043 abut against respective opposite sides of the first frame 401 and the second frame 402. The telescopic cylinder 4041 is a hydraulic buffer cylinder.

[0019] In one embodiment, every three adjacent telescopic cylinders 4041 are arranged in an N-shape or an I-shape. The purpose of such arrangement is to form a mutual compensation relationship between each linear degree of freedom.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. Adaptability: The adaptive mechanism introduced in the utility model can respond to the vibration of the smear wheel in real time, dynamically adjust the position and angle, and ensure that the contact area and angle between the scraper and the smear wheel are constant when the smear wheel is vibrating. This adaptability significantly improves the stability and reliability of the production process.

[0022] 2. Reduce the phenomenon of collapse: In traditional technology, the vibration of the smear wheel easily leads to the collapse of the scraper or the smear wheel. The technology of the utility model effectively absorbs and disperses the impact force through the design of the elastic linear module and the tapered flared elastic part, thereby greatly reducing the occurrence of collapse and extending the service life of the scraper and the smear wheel.

[0023] 3. Improve production efficiency: Due to the reduction of collapse and equipment downtime, the utility model can improve production efficiency. The failure rate on the production line is reduced, which not only reduces the damage to the equipment caused by instantaneous impact, but also enhances the durability of the entire system. This design enables the equipment to operate stably for a longer period of time and reduces the frequency of maintenance and replacement of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a three-dimensional position diagram of the coating wheel of the utility model in cooperation with the whole machine;

[0026] Figure 2 It is a top view schematic diagram of the frame and the fixing frame of the utility model;

[0027] Figure 3 It is a three-dimensional schematic diagram of the frame and the fixing frame of the utility model, wherein part (a) is a schematic diagram of the scraper blade being loaded, and part (b) is a schematic diagram of the scraper blade being unloaded;

[0028] Figure 4 Schematic diagram of the adaptive mechanism of the present invention; (a), (b) and (c) are schematic diagrams of all parts of the adaptive mechanism, the adaptive mechanism after the flexible cover is removed, and a schematic diagram of the telescopic cylinder structure after part of the spring is removed;

[0029] Figure 5 This is a schematic diagram of another spring solution of the second embodiment of the utility model.

[0030] Figure numerals: 1. coating wheel; 2. frame; 201. accommodating groove; 202. scraper; 203. adaptation gap; 3. fixed frame; 301. sliding module; 4. adaptive mechanism; 401. first frame; 402. second frame; 403. flexible cover; 404. elastic linear module; 4041. telescopic cylinder; 4042. coupling; 4043. spring; 40431. flared elastic part. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model. Therefore, the utility model is not limited to the specific embodiments disclosed below;

[0032] Embodiment 1:

[0033] In the prior art, when the smear wheel 1 tilts and bounces, the force generated may not be completely perpendicular to the axial direction of the smear wheel. In this case, the traditional spring may not be able to withstand this force at the optimal elastic extrusion angle, resulting in potential collapse. This is because the elastic effect of the spring depends largely on the direction and angle of the force it receives. When the force direction is inconsistent with the axis of the spring, the spring may not provide sufficient elastic reaction force to effectively buffer the bounce of the smear wheel; for this purpose, please refer to Figure 1-4 , this specific implementation will provide relevant technical solutions to solve the above technical problems:

[0034] A silver paste tank structure for coating silver paste, comprising a conventional coating wheel 1 for coating silver paste and a motor for driving the coating wheel 1 to rotate, and also comprising a frame 2 with a receiving groove 201, wherein the receiving groove 201 contains silver paste, and the coating wheel 1 is arranged in the receiving groove 201; the coating wheel 1 is embedded in the receiving groove 201, so that the silver paste can be retained on the outside of the coating wheel 1, and when the coating wheel 1 rotates, the silver paste is transferred to the outside of the coating wheel 1, so that the positive electrode sheet can be coated by the coating wheel 1; based on the above conventional technology, the improvement of the present scheme is that: on both sides of the coating wheel 1, two adaptive mechanisms 4 and scrapers 202 are symmetrically arranged on the frame 2;

[0035] The adaptive mechanism 4 includes at least three passive linear degrees of freedom arranged in a circular array. When the smear wheel 1 bounces, based on the direction of the bounce, the corresponding linear degree of freedom in one adaptive mechanism 4 is compressed, the stroke is retracted and elastic force is stored, and the corresponding linear degree of freedom in another adaptive mechanism 4 is pulled, the stroke is output and elastic force is stored, so that the angle of the accommodating groove 201 of the frame 2 is adjusted to an angle consistent with the direction of the bounce, so that the contact area and angle between the scraper 202 and the smear wheel 1 remain constant.

[0036] Specifically: The design of the adaptive mechanism 4 utilizes the elasticity principle and the force balance principle in physical mechanics. When the coating wheel 1 bounces, due to the passive adjustment of the linear degrees of freedom in the adaptive mechanism 4 on both sides, the frame 2 can be tilted accordingly to maintain the optimal contact angle between the scraper 202 and the coating wheel 1. This design ensures that no matter how the coating wheel 1 bounces, the scraper 202 can contact it with a constant pressure and angle, thereby maintaining the uniformity and quality of the coating.

[0037] It can be understood that in the above technical solution: the silver paste tank structure significantly improves the stability and quality of the coating process by introducing the adaptive mechanism 4. The adaptive mechanism 4 can adjust the angle of the frame 2 in real time to adapt to the jumping of the coating wheel 1, thereby maintaining the optimal contact state between the scraper 202 and the coating wheel 1. This design not only reduces the uneven coating or quality problems caused by the jumping of the coating wheel, but also extends the service life of the scraper and the coating wheel, and reduces the maintenance cost.

[0038] In the technical solution provided in this embodiment, please refer to Figure 2 There is an adaptation gap 203 between the accommodating groove 201 and the smear wheel 1. When jumping occurs, the smear wheel 1 can have a certain adaptation space, which can not only keep the silver paste coating, but also leave enough time for the linear freedom of the adaptive mechanism 4 to perform.

[0039] Specifically: The design of the adaptation gap 203 is based on the gap matching principle and dynamic adjustment principle in physical mechanics. By setting the adaptation gap 203 between the receiving groove 201 and the smear wheel 1, the smear wheel 1 is allowed to have enough space to move when jumping, avoiding instantaneous collision or jamming caused by jumping. At the same time, this gap also provides response time for the adaptive mechanism 4, so that it can quickly adjust according to the real-time position of the smear wheel 1, ensuring that the scraper 202 always maintains close and stable contact with the smear wheel 1.

[0040] It can be understood that in the above technical solution: the design of the adaptation gap 203 significantly improves the flexibility and adaptability of the silver paste tank structure. It allows the coating wheel 1 to have sufficient freedom to adjust when jumping, thereby ensuring the continuity and uniformity of the silver paste coating. At the same time, this design also provides the necessary response time for the adaptive mechanism 4, enabling it to function more effectively, further improving the stability and quality of the coating process.

[0041] In the technical solution provided in this embodiment, please refer to Figure 3: It also includes a fixed frame 3, and the frame 2 is slidably matched with the fixed frame 3 through a sliding module 301. Among them, the sliding module 301 includes a slider and an optical axis, and the slider slides outside the optical axis in the form of clearance fit, wherein the slider is fixed to the frame 2, and the optical axis is fixed to the fixed frame 3. The sliding module 301 has three functions: it ensures the force support of the frame 2 and relieves the pressure of the adaptive mechanism 4; it prevents unnecessary non-jumping force from affecting the linear freedom of the adaptive mechanism 4; when the jumping phenomenon occurs, the frame 2 can slide and displace a certain amount along the jumping direction and adapt.

[0042] At the same time, the purpose of the clearance fit between the slider and the optical axis is to prevent the frame 2 from performing a true linear displacement along the jumping direction, otherwise the function of the adaptive mechanism 4 cannot be performed normally. When there is a certain amount of clearance between the slider and the optical axis, the frame 2 itself can perform a certain amount of angular displacement according to the jumping direction. According to the traditional mechanical design concept, this will cause the frame 2 to vibrate, which is an undesirable phenomenon. However, the two adaptive mechanisms 4 arranged based on the technical solution can be elastically adapted, so that neither the vibration phenomenon will occur nor the normal use of the adaptive mechanism 4 will be affected.

[0043] Specifically: The design of the sliding module 301 utilizes the principle of clearance fit, allowing the frame 2 to slide and make slight angle adjustments when affected by the bouncing of the coating wheel. The gap between the slider and the optical axis prevents the frame 2 from having a strict linear displacement in the bouncing direction, thereby allowing the adaptive mechanism 4 to exert its elastic adaptation function.

[0044] It can be understood that in the above technical solution: the design of the sliding module 301 enhances the flexibility and stability of the silver paste tank structure. It not only provides force support for the frame 2 and reduces the pressure of the adaptive mechanism 4, but also prevents unnecessary non-jumping forces from interfering with the linear freedom of the adaptive mechanism 4. When the coating wheel jumps, the frame 2 can slide and adjust the angle flexibly, ensuring that the adaptive mechanism 4 can effectively play its elastic adaptation function, thereby maintaining the stability and quality of the coating process. This design utilizes the principles of mechanical clearance and elastic adaptation, solves the vibration problem that may occur in traditional mechanical designs, and provides a more stable and efficient solution for the silver paste coating of positive electrodes in the production process of lithium-ion batteries.

[0045] Preferably, Figure 1 As shown in FIG. 3 , the scraper blade 202 is in the shape of a thin strip, but only one end of the scraper blade 202 is fixed on the frame 2. When the smear wheel 1 bounces, based on the adaptive adjustment principle of the adaptive mechanism 4 described later, the scraper blade 202 in the shape of a thin strip with one end fixed has a certain adaptive angle adjustment ability similar to a thin steel sheet, and can work better with the adaptive mechanism 4 described later.

[0046] In the technical solution provided in this embodiment, please refer to Figure 4 : The adaptive mechanism 4 includes a first frame 401 and a second frame 402 opposite to each other, the first frame 401 is fixed outside the frame 2, and the second frame 402 is fixed on the fixed frame 3; elastic linear modules 404 for outputting linear degrees of freedom are evenly arranged between the first frame 401 and the second frame 402 in the form of a ring array.

[0047] Specifically: The design of the adaptive mechanism 4 utilizes the elastic principle and the force balance principle in physical mechanics. The arrangement (annular array) of the elastic linear modules 404 ensures that no matter in which direction the smear wheel 1 jumps, at least one or more modules can be extended or moved accordingly to adapt to the jump. Through this design, the adaptive mechanism 4 can adjust the angle and position of the frame 2 in real time to maintain a constant contact area and angle between the scraper 202 and the smear wheel 1.

[0048] It can be understood that in the above technical solution: the design of the adaptive mechanism 4 significantly improves the stability and quality of silver paste coating. By using the elastic linear module 404, the mechanism can quickly and accurately adjust the angle and position of the frame 2 when the coating wheel 1 jumps, thereby ensuring that the scraper 202 always maintains a close and stable contact with the coating wheel 1. This design not only reduces the uneven coating or quality problems caused by the jumping of the coating wheel, but also extends the service life of the scraper and the coating wheel, and reduces the maintenance cost.

[0049] In the technical solution provided in this embodiment, please refer to Figures 1 to 4 When the coating wheel 1 bounces, the frame 2 is pressed to feed in the direction of the bounce based on the direction of the bounce. The conventional frame 2 is fixed, which is why the scraper 202 or the coating wheel 1 in the conventional technology may collapse. However, in the present technical solution, the frame 2 transmits the force of the bounce to the first frame 401 based on the direction of the bounce, and the first frame 401 further transmits the force of the bounce to all the elastic linear modules 404 based on the force of the bounce. Based on the direction of the jump, there will always be an elastic linear module 404 that is first subjected to force (the straight line between two points is the shortest, and the elastic linear module 404 that is first affected based on the force direction is the elastic linear module 404 mentioned above as "the corresponding linear degree of freedom is compressed / tensioned", and the elastic linear module 404 of the adaptive mechanism 4 resists and pulls and elastically stores force based on the force direction, which will involve the first frame 401 to move along the same force direction and angle to achieve offset; and because the elastic linear modules 404 for outputting linear degrees of freedom are evenly arranged in the form of a ring array between the first frame 401 and the second frame 402, the first frame 401 can be adjusted in a universal angle to fully adapt to the three-dimensional direction of the force;

[0050] At the same time, the above-mentioned mode is only for the adaptive mechanism 4 in the force direction; the other adaptive mechanism 4 will also realize adaptive feeding coordination according to the displacement of the frame 2 and the change of the three-dimensional angle, and cooperate and support through its first frame 401 to prevent the vibration of the frame 2 in another direction.

[0051] Specifically: This embodiment utilizes the elastic principle and force balance principle in physical mechanics. Through the elastic force storage and telescopic functions of the elastic linear module 404 and the universal angle adjustment capability between the first frame 401 and the second frame 402, the frame 2 is dynamically adjusted to adapt to the jumping of the coating wheel 1.

[0052] It can be understood that in the above technical solution: this embodiment significantly improves the stability and quality of silver paste coating. The dynamic adjustment function of the adaptive mechanism 4 effectively offsets the impact of the vibration of the coating wheel 1 on the frame 2 and the scraper 202. This design not only avoids the risk of damage to the scraper 202 and the coating wheel 1, but also ensures the uniformity and consistency of the coating process.

[0053] In the technical solution provided in this embodiment, please refer to Figures 1 to 4 : Under the synergistic effect of the above-mentioned two adaptive mechanisms 4, when the smear wheel 1 jumps, it contacts the wall structure of the receiving groove 201 of the frame 2 through the adaptation gap 203 to form a point contact state, and the two adaptive mechanisms 4 and their elastic linear modules 404 begin to perform the above-mentioned work; when the smear wheel 1 continues to jump and completely contacts the wall structure of the receiving groove 201 of the frame 2 through the adaptation gap 203 to form a surface contact state, the two adaptive mechanisms 4 and their elastic linear modules 404 will drive the frame 2 to adjust the position and angle completely along the jumping direction of the smear wheel 1. During this period, the scraper 202 keeps a constant contact area and angle with the smear wheel 1, so no collapse will occur.

[0054] When the jumping phenomenon ends, since the two adaptive mechanisms 4 are in the state of elastic force storage (and the so-called "passive linear degree of freedom" above), when the smear wheel 1 stops jumping, when the wall structure of the accommodating groove 201 changes from surface contact to point contact, the force on the two adaptive mechanisms 4 gradually becomes insufficient to maintain the elastic force storage, so the two adaptive mechanisms 4 are gradually reset; when the smear wheel 1 returns to the adaptation gap 203, the adaptive mechanism 4 is completely reset.

[0055] It is understandable that in the above technical solution: this design enables the scraper 202 to always maintain a constant contact area and angle with the smear wheel 1 during the jumping process of the smear wheel 1, thereby avoiding the problem of scraper or smear wheel collapse that may occur in the traditional technology. The elastic force storage design of the adaptive mechanism 4 enables it to automatically reset after the jumping ends, preparing for the next jumping.

[0056] In the technical solution provided in this embodiment, please refer to Figure 4 : The elastic linear module 404 includes a telescopic cylinder 4041, and the cylinder body and the piston rod of the telescopic cylinder 4041 are respectively and universally hinged to the respective sides of the first frame 401 and the second frame 402 that are opposite to each other through a coupling 4042;

[0057] The telescopic cylinder 4041 is provided with a spring 4043, and one end and the other end of the spring 4043 abut against respective opposite sides of the first frame 401 and the second frame 402. The telescopic cylinder 4041 is a hydraulic buffer cylinder.

[0058] Specific:

[0059] 1) Telescopic cylinder 4041: It has telescopic function and can adjust the length.

[0060] The cylinder body and piston rod of the telescopic cylinder 4041 are universally hinged on the mutually opposite sides of the first frame 401 and the second frame 402 through the coupling 4042. This universal hinge design enables the telescopic cylinder 4041 to move and adjust freely in multiple directions to adapt to different jumping and mechanical requirements.

[0061] The telescopic cylinder 4041 is preferably an oil-pressure buffer cylinder, which means that it uses oil as a medium to provide a buffer and smooth telescopic action. The oil pressure buffer helps to reduce shock and vibration, thereby protecting the mechanism from damage.

[0062] 2) Spring 4043: It is sleeved on the outside of the telescopic cylinder 4041, and one end and the other end of the spring 4043 are respectively pressed against the respective opposite sides of the first frame 401 and the second frame 402. The function of the spring 4043 is to provide elastic support and buffer. When the telescopic cylinder 4041 is extended or retracted, the spring 4043 will be compressed or stretched accordingly, thereby absorbing and dispersing the impact force and vibration generated by the bouncing of the coating wheel. By adjusting the stiffness and preload of the spring 4043, the response characteristics and stability of the elastic linear module 404 can be further optimized.

[0063] 3) Coupling 4042: used to connect the cylinder body and piston rod of telescopic cylinder 4041 with the first frame 401 and the second frame 402. It allows telescopic cylinder 4041 to move and adjust freely in multiple directions while maintaining stable connection and transmission efficiency.

[0064] Preferably, a flexible cover 403 is installed between the first frame 401 and the second frame 402 to cover all the elastic linear modules 404 for dust prevention.

[0065] In the technical solution provided in this embodiment, please refer to Figure 4 Every three adjacent telescopic cylinders 4041 are arranged in an N-shape or an I-shape. The purpose of such arrangement is to form a mutual compensation relationship between each linear degree of freedom.

[0066] Specifically: by arranging the telescopic cylinders 4041 in an N-shape or an I-shape, the linear degree of freedom (i.e., its telescopic ability) of each telescopic cylinder 4041 can form a mutually compensating relationship with other adjacent telescopic cylinders 4041. This means that when a telescopic cylinder 4041 is extended or shortened for some reason (such as the bouncing of the smear wheel), its adjacent telescopic cylinder 4041 can be shortened or extended accordingly to maintain the stability and balance of the entire adaptive mechanism. This arrangement helps to enhance the stability and flexibility of the adaptive mechanism. Since the telescopic cylinders 4041 can compensate for each other, the entire mechanism can better adapt to changes in external forces and the bouncing of the smear wheel, thereby maintaining the optimal contact state between the scraper and the smear wheel.

[0067] At the same time, the N-shaped or I-shaped arrangement also helps to disperse the stress and impact caused by the bouncing of the coating wheel. When a telescopic cylinder 4041 is impacted, its adjacent telescopic cylinder 4041 can share part of the stress, thereby reducing the stress level of a single telescopic cylinder 4041 and extending its service life. In addition, this arrangement can also optimize space utilization, so that the adaptive mechanism occupies a smaller space while maintaining high performance.

[0068] It can be understood that when the force generated by the bouncing of the coating wheel 1 is perpendicular to the axial direction of the coating wheel, Figure 4 The conical arrangement shown will be adapted by multiple sets of elastic linear modules 404, thereby alleviating the vertical bouncing force.

[0069] Furthermore: under this arrangement, when a telescopic cylinder 4041 and its mounted spring 4043 reach the maximum stroke or telescopic point, the adjacent relatively inclined telescopic cylinders 4041 and springs 4043 still have a certain amount of stroke and telescopic amount, which can be adapted and compensated to improve the operation effect of the mechanism.

[0070] In summary, in view of the related problems in the conventional technology, this specific embodiment is based on the silver paste tank structure for coating silver paste provided above, and adopts the following technical means or features to achieve the solution:

[0071] (1) Function of the adaptive mechanism 4: The design of this embodiment introduces two symmetrically arranged adaptive mechanisms 4, which can dynamically respond to the vibration of the smear wheel 1. When the smear wheel 1 vibrates, the adaptive mechanism adjusts the position and angle through the elastic linear module 404 to adapt to the vibration of the smear wheel 1.

[0072] (2) Elastic linear module 404: The combination of telescopic cylinder 4041 and spring 4043 in the elastic linear module 404 makes the module elastic and buffering. When the smear wheel 1 bounces, the telescopic cylinder 4041 can be extended and retracted to adapt to the bounce, while the spring 4043 provides elastic support to absorb and disperse the impact force. This design effectively reduces the damage to the scraper and the smear wheel caused by instantaneous impact.

[0073] (3) Mutually compensating telescopic cylinder arrangement: Every three adjacent telescopic cylinders are arranged in an N-shape or an I-shape, forming a mutually compensatory relationship between the linear degrees of freedom. This arrangement enhances the stability and flexibility of the adaptive mechanism 4, enabling the mechanism to better adapt to the bouncing of the smear wheel and maintain the optimal contact state between the scraper 202 and the smear wheel.

[0074] Example 2: Please refer to Figure 5 The difference between this embodiment and the first embodiment is that the spring 4043 has a conical flared elastic portion 40431 facing a portion of the first frame 401 .

[0075] In this embodiment, the above-mentioned design enables this end of the spring 4043 to have a larger elastic deformation area. When the telescopic cylinder 4041 is extended and retracted, the elastic part with the conical expansion can better adapt to and buffer the force, providing smoother elastic feedback.

[0076] Specifically, the flared design increases the contact area between the spring 4043 and the first frame 401, which helps to disperse stress and reduce local wear. The conical structure allows the spring 4043 to deform more evenly when subjected to force, thereby improving the durability and service life of the spring. This design also helps to provide a more stable support force when the telescopic cylinder 4041 is in motion, reducing vibration and noise.

[0077] Furthermore, in coordination with the overall mechanism: the tapered flared elastic portion 40431 works in coordination with the telescopic cylinder 4041, the first frame 401, and the entire adaptive mechanism 4 to ensure the stability of the smear wheel 1 when it bounces and the constant contact between the scraper 202 and the smear wheel. When the smear wheel 1 bounces, this specially designed spring portion can respond quickly, absorbing and dispersing the impact force generated by the bounce through its elastic deformation. At the same time, since the stress is better dispersed, the overall stability of the spring is improved. When facing the force from the first frame, the spring can transmit the force more evenly, reducing accidental failures caused by stress concentration.

[0078] Understandably, in dynamic applications, such as springs in linear actuators, the flared design also helps reduce vibration and noise because stress is more evenly distributed, reducing the possibility of sudden breakage or deformation.

[0079] In summary, the tapered flared elastic portion 40431 improves the performance and reliability of the entire elastic linear module 404 and the adaptive mechanism 4.

[0080] The above-mentioned embodiments only express the implementation methods of the relevant practical applications of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A silver paste tank structure for coating silver paste, comprising a coating wheel (1) for coating silver paste and a motor for driving the coating wheel (1) to rotate, and also comprising a frame (2) provided with a receiving groove (201), wherein the receiving groove (201) contains silver paste, and the coating wheel (1) is arranged in the receiving groove (201); characterized in that: On both sides of the smear wheel (1), two adaptive mechanisms (4) and scrapers (202) are symmetrically arranged on the frame (2); The adaptive mechanism (4) comprises at least three passive linear degrees of freedom arranged in a ring array. When the smear wheel (1) bounces, based on the direction of the bounce, the corresponding linear degree of freedom in one of the adaptive mechanisms (4) is compressed, its stroke is retracted and elastic force is stored, and the corresponding linear degree of freedom in another adaptive mechanism (4) is pulled, its stroke is output and elastic force is stored, so that the angle of the accommodating groove (201) is adjusted to an angle consistent with the direction of the bounce, so that the contact area and angle between the scraper (202) and the smear wheel (1) remain constant.

2. The silver paste tank structure for coating silver paste according to claim 1, characterized in that: An adaption gap (203) is provided between the accommodating groove (201) and the smear wheel (1) on the left and right sides.

3. The silver paste tank structure for coating silver paste according to claim 1, characterized in that: It also comprises a fixed frame (3), the frame (2) slidingly cooperates with the fixed frame (3) via a sliding module (301), the force support of the frame (2) relieves the pressure of the adaptive mechanism (4), and prevents unnecessary non-jumping force from affecting the linear freedom of the adaptive mechanism (4); when jumping occurs, the frame (2) can slide and displace a certain amount along the jumping direction and adapt.

4. The silver paste tank structure for coating silver paste according to any one of claims 1 to 3, characterized in that: The adaptive mechanism (4) comprises a first frame (401) and a second frame (402) which are opposite to each other, and the first frame (401) is fixedly arranged outside the frame (2); Elastic linear modules (404) for outputting the linear degree of freedom are evenly arranged between the first frame (401) and the second frame (402) in the form of a ring array.

5. The silver paste tank structure for coating silver paste according to claim 4, characterized in that: The elastic linear module (404) comprises a telescopic cylinder (4041), the cylinder body and the piston rod of the telescopic cylinder (4041) are respectively and universally hinged to the respective opposite sides of the first frame (401) and the second frame (402) through a coupling (4042); The telescopic cylinder (4041) is provided with a spring (4043) on its outer sleeve, and one end and the other end of the spring (4043) abut against respective opposite sides of the first frame (401) and the second frame (402).

6. The silver paste tank structure for coating silver paste according to claim 5, characterized in that: Every three adjacent telescopic cylinders (4041) are arranged in an N-shape or an I-shape.

7. The silver paste tank structure for coating silver paste according to claim 5, characterized in that: The telescopic cylinder (4041) is an oil pressure buffer cylinder.

8. The silver paste tank structure for coating silver paste according to claim 5, characterized in that: The spring (4043) faces a portion of the first frame (401) that is a conical expanded elastic portion (40431).

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