Multi-stage fine scraping device with thorough cleaning function

Abstract

The utility model relates to the field of scraping devices, in particular to a multi-stage fine scraping device which is thorough in cleaning. The technical problems that in the using process of the scraping device, due to the fact that a scraping roller and a wiping roller are of a rigid structure, the adaptability is poor, the function is single, too many accumulative errors exist in the attaching process of a scraper and the roller face, scraped objects are prone to being adhered to a scraper body and a clamping plate, and the dust collection effect is poor are solved. According to the technical scheme, the multi-stage fine scraping device with the thorough cleaning function comprises a support and further comprises a scraper, a scraping selecting piece and a dust suction hood. According to the utility model, the bosses on the bearing box can be matched with the holes on the bearing seat of the roller press and are fixed on the bearing seat of the roller press, so that the size chain is shortened, the fitting tightness with the roller surface can be enhanced, the scrapping caused by pressing an adhesive material adhered to the roller surface into a pole piece is avoided, the adhesion amount of a scraped material is reduced, and online wet roller wiping is carried out.

Description

Technical Field

[0001] The utility model relates to the field of scraping devices, in particular to a multi-stage fine scraping device with thorough cleaning. Background Art

[0002] The lithium battery industry is a new industry that has emerged in the past decade. Many production technologies are derived from other industries. Due to the different characteristics of the industry, its technical maturity will inevitably have a growth process, and the roller surface cleaning scraper is no exception. The source of scraper technology is very wide, such as steel rolling, papermaking, textiles, printing, food and other industries, and the relevant technical literature is even more vast. The scraper currently used in the lithium battery roller press is basically the same as the CN201720218996 patent: there is only one scraper for each roller. Although the steel scraper has a long life, it is easy to damage the roller; the polymer material is not easy to damage the roller, but the blade is easy to wear and has a short life, which is difficult to achieve both. In addition, the two sets of mechanisms with separate functions of the scraping roller and the wiping roller adopt a rigid structure, poor adaptability, and a single function. The rotation of the scraper frame is mostly pneumatic, with a small amount being manual. The compressibility of the gas in the cylinder and the elasticity of the scraper are used to press against the roller surface. The whole is fixed with bolts. Manual adjustment lacks precise measurement methods, and the fit is low, which affects the scraping effect. All visible scraper mechanisms are connected to the frame of the roller press rather than to the roller bearing seat. There are too many cumulative errors in the fit between the scraper and the roller surface. A separate ash hopper is set up for the scraped material. The air inlet cross-section of the collection port is large, the pipeline resistance is large, the dust capture rate is low, and the energy consumption is high, which can easily affect the use effect and convenience of the entire scraping device. Utility Model Content

[0003] In order to overcome the problems that during the use of the scraping device, the scraping roller and the wiping roller adopt a rigid structure, poor adaptability, and single function, there are too many cumulative errors in the fit between the scraper and the roller surface, and the scraped material is easily adhered to the blade body and the clamping plate, resulting in poor dust collection effect.

[0004] The technical scheme of the utility model is: a multi-stage fine scraping device for thorough cleaning, comprising a bracket, a knife seat, a scraper, a pressure plate, a scraping option, a scraper bracket, a scraper pressure plate, a bearing box, a bearing, a fixing sleeve, a special-shaped elbow, a clamp, a cylinder, a tail swing pin and a dust hood, and also comprising a multi-stage knife seat installed on an adaptive knife holder, a closed dust removal device and the adaptive knife holder are integrated into one, a knife seat is arranged at the upper end of the bracket, a scraper and a scraping option are clamped on the knife seat, a scraper bracket is fixedly installed on the knife seat, a scraper pressure plate is arranged on the scraper and the scraping option, a bearing on the shaft head of the bracket is placed in a bearing box and positioned with a fixing sleeve, a boss on the bearing box can cooperate with a hole on a roller press bearing seat and be fixed on the roller press bearing seat, a clamp on the special-shaped elbow connected to the bracket is connected to a rod end joint at one end of the cylinder, a tail swing seat at the other end of the cylinder cooperates with the tail swing pin, and the tail swing pin can be fixed on the roller press bearing seat.

[0005] Preferably, by providing a boss on the bearing box that can cooperate with the hole on the roller press bearing seat and be fixed on the roller press bearing seat, the dimension chain is shortened, the close fit with the roller surface can be enhanced, and the adhesives adhering to the roller surface are prevented from being pressed into the pole piece and causing scrapping, the adhesion amount of the scraped material is reduced, and online wet wiping roller is performed. The tangent of the scraper and the scraper in the scraping option at the contact point with the roller surface is at an angle of 15 to 30°, and the width direction is close to a vertical state. The scraped material can freely settle into the hollow cavity, and then the suspended particles are sucked away through the special-shaped elbow and the negative pressure hose connected thereto. The larger particle size particles are captured by negative pressure and settled by their own weight, and are collected in the hollow bracket. The dust hood is opened regularly for manual cleaning, which can greatly improve the use effect and convenience of the entire scraping device.

[0006] As a preferred embodiment, the shape of the bracket is similar to a rotating body, and the bearings at both ends are connected to the tool holder, so the installation accuracy is easy to ensure. By adjusting the air line pressure, the line pressure is controlled, and the cylinder also acts as a gas spring to enhance adaptability.

[0007] Preferably, the scraper is fixed on the blade holder by a pressure plate. The scraper serves as a front stage and is made of metal or non-metal material to scrape off adhesions with larger particle sizes or in agglomerated form.

[0008] Preferably, the scraping option includes a plate-shaped single-edged first blade body for scraping function, a second blade body with an eagle-beak structure, a first wiping piece and a scraping head for wiping function, a second wiping piece and a special-shaped sponge strip, a third wiping piece and a non-woven fabric. The first blade body is made of engineering plastic and carbon fiber. The lower part of the scraping option has mounting holes connected to the blade holder. The upper end of the first wiping piece is equipped with a scraping head. The scraping head is shaped like a car wiper strip and is made of soft rubber material. Due to the soft material, it can enhance the fit with the roller surface, taking into account both scraping and wiping functions.

[0009] Preferably, the second blade body is made of polymer material, and its head is eagle-beak-shaped, which can reduce the adhesion of scraped material. The special-shaped sponge strip is inserted into the interior of the second wiping piece, and the non-woven fabric is wrapped on the third wiping piece. The two ends are tied tightly at the hanging points, both of which play a role in wiping the roller surface. The special-shaped sponge strip and non-woven fabric can be moistened with detergent for online wet wiping of the roller, and can be replaced at any time when dirty.

[0010] Preferably, the tangent line at the contact point between the scraper and the roller surface in the scraper or scraping option is at an angle of 15 to 30 degrees, and the width direction of the scraper or scraping option is close to vertical, so that the scraped material can freely settle into the hollow cavity, reducing accumulation and agglomeration on the scraping option.

[0011] Preferably, the separation area formed by the scraper and the scraping option is communicated with the hollow cavity of the bracket, forming a relatively sealed space with a very small gap with the dust hood. The suspended particles are sucked away through the special-shaped elbow and the negative pressure hose connected thereto, and the larger particles are captured by negative pressure and settled by their own weight and collected in the hollow bracket. The accumulated scraped materials that cannot be sucked away by the negative pressure are manually cleaned by opening the dust hood periodically.

[0012] Beneficial effects of the utility model:

[0013] 1. The adaptive structure of the scraper, scraping option, dust hood and roller surface is set to replace the original rigid structure, so as to enhance the close fit with the roller surface, scrape off finer attached dust, prevent the adhesives adhering to the roller surface from being pressed into the pole piece and causing scrapping, and reduce the adhesion of the scraped objects. The scraped objects can settle freely into the hollow cavity, and the larger particle size particles are collected in the hollow bracket through negative pressure capture and self-weight sedimentation. The dust hood is opened regularly for manual cleaning, which can improve the use effect and convenience of the entire scraping device to a certain extent;

[0014] 2. Cleaning agents introduced through scraping options and pipelines, such as silicone oil, anhydrous alcohol, deionized water, etc., can be wet-wiped online and can be replaced at any time after being dirty;

[0015] 3. The tangent line at the contact point between the scraper in the scraping option and the roller surface is at an angle of 15° to 30°, which enhances the scraping effect and reduces the wear of the roller surface. The width direction of the scraping option is close to a vertical state, and the scraped material can freely settle into the hollow cavity, reducing the accumulation of agglomerates on the scraping option;

[0016] 4. A relatively sealed space with a small gap is formed by the scraper, scraping option and the dust hood to suck away suspended particles. Larger particles are captured by negative pressure and settle by their own weight. The dust hood should be opened regularly for manual cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 What is shown is a schematic diagram of the split three-dimensional structure of the utility model;

[0019] Figure 3 What is shown is a schematic diagram of a cross-sectional structure of the utility model perpendicular to the axis of the rotating shaft;

[0020] Figure 4 What is shown is a schematic diagram of the three-dimensional structure of the scraper cross section of the utility model.

[0021] Explanation of the reference numerals: 1- bracket, 2- knife seat, 3- scraper, 4- pressure plate, 5- scraping option, 6- scraper bracket, 7- scraper pressure plate, 8- bearing box, 9- bearing, 10- fixing sleeve, 11- special-shaped elbow, 12- clamp, 13- cylinder, 14- tail pin, 15- dust hood, 16- roller surface, 5A- first knife body, 5B-1- scraping head, 5B-2- first wiping piece, 5C- second knife body, 5D-1- special-shaped sponge strip, 5D-2- second wiping piece, 5E-1- non-woven fabric, 5E-2- third wiping piece. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a multi-stage fine scraping device for thorough cleaning, including a bracket 1, a knife holder 2, a scraper 3, a pressure plate 4, a scraping option 5, a scraper bracket 6, a scraper pressure plate 7, a bearing box 8, a bearing 9, a fixing sleeve 10, a special-shaped elbow 11, a clamp 12, a cylinder 13, a swing pin 14 and a dust cover 15. The multi-stage knife holder is installed on the self-adaptive knife holder, and the closed dust removal device is integrated with the self-adaptive knife holder. The shape of the bracket 1 is similar to a rotating body. , the bearings at both ends are connected with the knife seat 2, the number of components is reduced, the dimension chain is shortened, the cumulative error is reduced, and the installation accuracy is easy to ensure. By adjusting the air circuit pressure, the line pressure is controlled, the clamp 12 adjusts the cylinder stroke and the spatial position of the scraping device, and the gas spring of the cylinder strengthens the adaptability. The knife seat 2 is arranged on the upper end of the bracket 1, and the scraper 3 is fixed on the knife seat 2 by the pressing plate 4. The scraper 3 is used as the front stage and is made of metal or non-metal material to scrape off larger particles or agglomerated adhesions.

[0024] See also Figure 2-4 , because the scraping device is symmetrical, Figure 2Only a part is shown. In this embodiment, the blade holder 2 is clamped with a scraper 3 and a scraping option 5. The scraping option 5 includes a first blade body 5A, a second blade body 5C, a scraping head 5B-1, a first wiping piece 5B-2, a special-shaped sponge strip 5D-1, a second wiping piece 5D-2, a non-woven fabric 5E-1, and a third wiping piece 5E-2. The scraping option 5 has mounting holes at the bottom to connect with the blade holder 2. The level and scraping and wiping functional parts are selected according to the specific working conditions or technical requirements such as the electrode material system, the adhesive properties, and the cleanliness requirements. The first blade body 5A and the scraper 3 are both plate-shaped single-edge blades. The first blade body 5A is made of engineering plastics and carbon fiber. The first blade 5A is selected as the first scraper, which is an option to enhance the scraping function. The upper end of the first wiping member 5B-2 is equipped with a scraping head 5B-1, which is shaped like a car wiper blade and is made of soft rubber material. Due to the soft material, it has both scraping and wiping functions. The second blade 5C is made of polymer material, and its head has an eagle-beak structure, which can reduce the adhesion of the scraped objects. The special-shaped sponge strip 5D-1 is inserted into the interior of the second wiping member 5D-2, and the non-woven fabric 5E-1 is wrapped around the third wiping member 5E-2, with both ends tied tightly at the hanging points, both of which play a role in wiping the roller surface, and the special-shaped sponge strip 5D-1 and the non-woven fabric 5E-1 can be moistened with a detergent. , such as silicone oil, anhydrous alcohol, deionized water, etc., for online wet wiping of the roller, which can be replaced at any time after being dirty. A scraper bracket 6 is fixedly installed on the knife seat 2, and a scraper pressure plate 7 is fixedly installed on the scraping option 5. The bearing 9 on the shaft head of the bracket 1 is placed in the bearing box 8 and positioned with a fixed sleeve 10. The boss on the bearing box 8 can cooperate with the hole on the roller press bearing seat and be fixed on the roller press bearing seat. The clamp 12 on the special-shaped elbow 11 connected to the bracket 1 is connected to the rod end joint at one end of the cylinder 13. The swing tail seat at the other end of the cylinder 13 cooperates with the swing tail pin 14, and the swing tail pin 14 can be fixed on the roller press bearing seat. Scraping option 5 The tangent line at the contact point between the scraper and the roller surface 16 is at an angle of 15 to 30 degrees, and the width direction of the scraping option 5 is close to a vertical state. The scraped material can freely settle into the hollow cavity, reducing the accumulation and agglomeration on the scraping option 5. The separation area formed by the scraping option 5 is connected to the hollow cavity of the bracket 1. The scraping option 5 and the dust hood 15 form a relatively sealed space with a very small gap. The suspended particles are sucked away through the special-shaped elbow 11 and the negative pressure hose connected thereto, and the larger particle size particles are captured by negative pressure and settled by their own weight and collected in the hollow bracket 1. The accumulated scraped materials that cannot be sucked away by negative pressure are manually cleaned by opening the dust hood 15 regularly.

[0025] When the scraping device is working, the support 1, which is similar to a rotating body in shape, first contacts the roller surface, and controls the pressure of the scraper line by adjusting the air circuit pressure. The cylinder also acts as a gas spring, which is equivalent to floating contact. The scraper 3 is used as the front stage and is made of metal or non-metal material to scrape off the larger particle size or agglomerated adhesions.

[0026] Then, through the selection and configuration of the scraping option 5, the fine scraping and wiping functions are completed. The edge position of the scraper at the rear stage should match the pressure of the scraper 3 line. The elasticity of the blade body itself is used to generate a little adaptability. The scraping head 5B-1 is similar in shape to the wiper blade of a car, and is made of soft rubber material, taking into account the scraping and wiping functions. The second blade body 5C is made of polymer material, and its head has an eagle-like structure, which can reduce the adhesion of the scraped objects. The non-woven fabric 5E-1 is wrapped on the third wiping piece 5E-2, and the two ends are tied tightly at the hanging point, both of which play a role in wiping the roller surface. The special-shaped sponge strip 5D-1 and the non-woven fabric 5E-1 can be moistened with a detergent, such as silicone oil, anhydrous alcohol, deionized water, etc., to perform online wet wiping rollers, which can be replaced at any time after being dirty;

[0027] Then adjust the cylinder stroke and the spatial position of the scraping device through the clamp 12. The tangent of the scraper in the scraping option 5 and the roller surface 16 at the contact point is at an angle of 15 to 30 degrees, also known as the pressure angle. The larger the pressure angle, the greater the scraping force, but it is easy to damage the roller and the cutting edge. The smaller the pressure angle, the poorer the scraping effect. The width direction of the scraping option 5 is close to a vertical state, and the scraped material can freely settle into the hollow cavity, reducing the accumulation and agglomeration on the scraping option 5. The scraping option 5 and the dust hood 15 form a relatively sealed space with a very small gap. The suspended particles are sucked away through the special-shaped elbow 11 and the negative pressure hose connected thereto. The larger particle size particles are captured by negative pressure and settled by their own weight and collected in the hollow bracket 1. The accumulated scraped materials that cannot be sucked away by negative pressure are manually cleaned by opening the dust hood 15 regularly.

[0028] Through the above steps, the close fit with the roller surface 16 can be enhanced, the adhesives adhering to the roller surface are prevented from being pressed into the pole piece and causing scrapping, the adhesion amount of the scraped material is reduced, and the online dry or wet wiping roller is performed. The roller can be replaced at any time after being dirty. The tangent of the scraper blade and the roller surface 16 at the contact point is 15 to 30 degrees. The scraper 3 and the scraping option 5 are close to a vertical state in the width direction. The scraped material can freely settle in the hollow cavity, reducing the accumulation and agglomeration on the scraping option 5. The scraping option 5 and the dust hood 15 form a relatively sealed space with a very small gap. The suspended particles are sucked away by the special-shaped elbow 11 and the negative pressure hose connected thereto. The larger particle size particles are captured by negative pressure and settled by their own weight and collected in the hollow bracket 1. The dust hood 15 is opened regularly for manual cleaning, thereby greatly improving the use effect and convenience of the entire scraping device.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A multi-stage fine scraping device for thorough cleaning, comprising a knife seat (2) for mounting a scraper (3), a bracket (1) connected to the knife seat (2), and a cylinder connected between the bracket (1) and a roller press to drive the scraper (3) to contact or leave the roller surface; characterized in that: The invention also comprises a multi-stage blade holder installed on an adaptive blade holder, a closed dust removal device integrated with the adaptive blade holder, the multi-stage blade holder comprising at least two stages of multi-stage scrapers clamped on a blade holder (2) connected to a bracket (1), the adaptive blade holder comprising bearing boxes at both ends of the bracket (1) connected to a roller bearing seat, a cylinder (13) driving the bracket to rotate, the closed dust removal device comprising a partition formed by the multi-stage scrapers on the blade holder (2) communicating with the cavity of the bracket (1), and a relatively closed space formed by a dust hood (15) and a roller surface (16).

2. A multi-stage fine scraping device for thorough cleaning according to claim 1, characterized in that: The scraping option (5) includes a first blade body (5A) made of engineering plastics, carbon fiber, and a plate-shaped single cutting edge.

3. A multi-stage fine scraping device for thorough cleaning according to claim 1, characterized in that: The scraping option (5) comprises a first scraping member (5B-2) and a scraping head (5B-1). The scraping head (5B-1) is installed on the upper end of the first scraping member (5B-2). The scraping head (5B-1) is similar in shape to a car windshield wiper strip and is made of soft rubber material.

4. A multi-stage fine scraping device for thorough cleaning according to claim 1, characterized in that: The scraping option (5) includes a second blade body (5C), which is made of polymer material and has an eagle-beak-shaped head.

5. A multi-stage fine scraping device for thorough cleaning according to claim 1, characterized in that: The scraping option (5) comprises a second wiping member (5D-2) and a special-shaped sponge strip (5D-1), wherein the special-shaped sponge strip (5D-1) is inserted into the interior of the second wiping member (5D-2).

6. A multi-stage fine scraping device for thorough cleaning according to claim 1, characterized in that: The scraping option (5) comprises a third wiping piece (5E-2) and a non-woven fabric (5E-1). The non-woven fabric (5E-1) is wrapped around the third wiping piece (5E-2), and the two ends are fastened at the hanging point.

7. A multi-stage fine scraping device for thorough cleaning according to claim 1, characterized in that: The tangent line at the contact point between the scraper (3) and the scraping option (5) and the roller surface (16) is at an angle of 15 to 30 degrees, and the width direction of the scraper (3) and the scraping option (5) is close to a vertical state.

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