Colloidal particle feeding device for electric brush sheet

Abstract

The utility model discloses a colloidal particle feeding device for an electric brush sheet, which comprises an electric brush sheet assembly, an absorbing and punching assembly and a material rolling assembly, and is characterized in that the electric brush sheet assembly comprises a terminal and an electric brush sheet body; the suction punching assembly comprises a suction punching support, a punching driving motor arranged on the suction punching support, a punching column arranged on an output shaft of the punching driving motor and a punching plate arranged on the suction punching support, the punching column penetrates through the punching plate, and a punching opening allowing the punching column to penetrate through is formed in the middle of the punching plate. The upper end of the punching plate is further provided with a roll glue discharging opening which allows colloidal particle roll glue to stretch into and downwards extends into the punching opening. According to the utility model, the colloidal particle roll glue is automatically stripped from the auxiliary paper and then conveyed to the punching opening, the roll glue is correspondingly sucked and punched into a proper size and then pasted on the electric brush sheet, the assembly of the electric brush sheet is completed, the whole process is high in automation degree and high in accuracy, does not need manpower, saves time and labor, ensures the production quality, reduces the production cost, and improves the production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of brush sheet preparation technology, and in particular to a granule feeding device for brush sheets. Background Technology

[0002] The main function of brushes in DC motors is to connect and conduct current between the plug and the brushes, ensuring that the brushes contact the commutator at the correct contact angle and providing appropriate pressure to the brushes so that they contact the commutator surface with a certain pressure, thereby ensuring that the current can be smoothly conducted through the plug, brushes, and brushes to the commutator.

[0003] Traditional production processes involve manual or semi-automatic cutting, drilling, and riveting by workers, resulting in low production efficiency, unstable product quality, low product qualification rate, and high labor costs. This fails to meet the demand for standardized, mechanized, and large-scale production of brush assemblies. Utility Model Content

[0004] To address the aforementioned shortcomings, the purpose of this utility model is to provide a granule feeding device for brush sheets. This device automatically peels off the backing paper from the granule roll and conveys it to the corresponding cutting slot below. The granule roll is then sucked up, cut into appropriate sizes, and pasted onto the brush sheet to complete the assembly of the brush sheet. The entire process is highly automated and precise, requires no manual labor, saves time and effort, ensures production quality, reduces production costs, and improves production efficiency.

[0005] The technical solution adopted by this utility model to achieve the above objectives is as follows:

[0006] A granule feeding device for brush plates includes a brush plate assembly, the brush plate assembly including a terminal connected as a whole into a strip and a brush plate body disposed on the terminal, and a suction and punching assembly mounted on a platform, and a roll assembly disposed on the suction and punching assembly. The suction and punching assembly includes a suction and punching bracket mounted on the platform, a punching drive motor disposed on the suction and punching bracket, a punching column disposed on the output shaft of the punching drive motor, and a punching plate disposed on the suction and punching bracket and penetrated by the punching column. The punching plate has a punching opening in the middle for the punching column to pass through, and the upper end of the punching plate also has a roll feeding port for the granule roll to extend into and downward into the punching opening.

[0007] As a further improvement of this utility model, the suction punching assembly further includes a suction motor disposed at one end of the punching column near the punching drive motor, and at least one suction port connected to the suction motor is formed in the middle of the punching column.

[0008] As a further improvement of this utility model, the suction punching assembly further includes a first stamping limiting plate disposed on the output shaft of the punching drive motor, a stamping pressing plate disposed on one end of the suction punching bracket away from the punching drive motor, and a winding structure disposed on the other end of the suction punching bracket away from the punching drive motor, wherein the punching column and the suction motor are disposed on the first stamping limiting plate.

[0009] As a further improvement of this utility model, the winding structure includes a winding reel disposed on the other end of the suction punching bracket away from the punching drive motor, a winding motor disposed at the rear end of the winding reel, a winding limiting bracket connected to the output shaft of the winding motor, a main winding reel disposed on the winding limiting bracket and connected to the output shaft of the winding motor, a secondary winding reel disposed on the winding limiting bracket, and a storage reel mounted on the platform.

[0010] As a further improvement of this utility model, the winding structure further includes at least one first winding adjustment guide rail disposed on the suction and punching bracket, at least one first winding adjustment slider slidably disposed on the first winding adjustment guide rail, a winding platform disposed on the first winding slider, and at least one second winding adjustment guide rail mounted on the platform, and at least one second winding adjustment slider slidably disposed on the second winding adjustment guide rail. The winding roll and winding motor are disposed on the winding platform, and the storage roll is disposed on the second winding adjustment slider.

[0011] As a further improvement of this utility model, the end of the stamping pressure plate facing the punching column is formed with a brush plate sliding groove for sliding and limiting the power supply brush plate body, and a terminal sliding groove provided at the lower end of the brush plate sliding groove for sliding and limiting the terminal.

[0012] As a further improvement of this utility model, the terminal is provided with several through holes, and the end of the stamping pressure plate facing the punching post is provided with at least one through groove that matches the through holes. The end of the punching plate facing the stamping pressure plate is provided with at least one through post that can pass through the through groove and penetrate the through holes.

[0013] As a further improvement of this utility model, the brush body is V-shaped, with one side of the V-shape disposed on the terminal. The suction and punching assembly also includes a brush fixing structure disposed on the punching pressure plate. The brush fixing structure includes a brush fixing guide rail disposed on the suction and punching bracket, a brush fixing slider slidably disposed on the brush fixing guide rail, and a brush fixing post disposed on the brush fixing slider. The lower end of the brush fixing post forms a triangular prism that matches the V-shaped structure of the brush body.

[0014] As a further improvement of this utility model, the roll assembly includes a roll support mounted on the suction and punching assembly, at least one roll motor mounted on the roll support, a roll spool mounted on the output shaft of the roll motor, at least one secondary paper motor mounted on the roll support, and a secondary paper spool mounted on the secondary paper motor.

[0015] The beneficial effects of this utility model are as follows:

[0016] By configuring this granule feeding device to include a brush assembly, the brush assembly includes a terminal connected as a whole strip and a brush body disposed on the terminal, and also includes a suction and punching assembly mounted on a platform and a roll assembly disposed on the suction and punching assembly. The suction and punching assembly includes a suction and punching bracket mounted on the platform, a punching drive motor disposed on the suction and punching bracket, a punching column disposed on the output shaft of the punching drive motor, and a punching plate disposed on the suction and punching bracket and penetrated by the punching column. The punching plate has a punching opening in the middle for the punching column to pass through, and the upper end of the punching plate also has a roll feeding port for the granule roll to extend into and downward into the punching opening.

[0017] The entire roll of adhesive granules is wound onto the roll assembly, which holds and stores the roll. In use, the roll is pulled from the roll assembly, the backing paper is peeled off, and the roll is fed into the adhesive feeding port. The roll enters the position directly opposite the cutting slit, and the brush assembly is positioned to pick up the cutting assembly directly opposite the cutting slit. The cutting drive motor starts, driving the cutting column on its output shaft to advance towards the cutting slit. As the cutting column passes through the cutting slit, it cuts the roll of adhesive granules into appropriately sized granules and presses them onto the brush body, completing the assembly of the brush body with adhesive. The entire process is highly automated and precise, requiring no manual labor, saving time and effort, ensuring production quality, reducing production costs, and improving production efficiency.

[0018] The above is an overview of the utility model's technical solution. The following description, in conjunction with the accompanying drawings and specific embodiments, will further illustrate the utility model. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0020] Figure 2 This is a schematic diagram of the brush assembly.

[0021] Figure 3 A schematic diagram of the overall punching assembly is provided.

[0022] Figure 4 To extract a partial structural cross-sectional view of the punching assembly;

[0023] Figure 5 This is a partial structural diagram of the process when adhesive particles are pressed onto the brush plate body.

[0024] Figure 6 This is a schematic diagram of the stamping pressure plate.

[0025] Figure 7 This is a schematic diagram of the punching column and the suction motor.

[0026] In the diagram: 1. Brush assembly; 11. Terminal; 111. Through hole; 12. Brush body; 2. Suction and punching assembly; 21. Suction and punching bracket; 22. Punching drive motor; 23. Punching column; 231. Suction port; 24. Punching plate; 241. Punching opening; 242. Roll feed port; 243. Through column; 25. Suction motor; 26. First stamping limit plate; 27. Stamping pressure plate; 271. Brush sliding groove; 272. Terminal sliding groove; 273. Through groove; 28. Rewinding structure; 2801. Rewinding roll; 2802. Rewinding motor; 2803. 2804. Rewinding limit bracket; 2805. Main rewinding shaft; 2806. Slave rewinding shaft; 2807. Storage shaft; 2808. First rewinding adjustment guide rail; 2809. First rewinding adjustment slider; 28000. Rewinding platform; 2810. Second rewinding adjustment guide rail; 2811. Second rewinding adjustment slider; 29. ​​Brush plate fixing structure; 291. Brush plate fixing guide rail; 292. Brush plate fixing slider; 293. Brush plate fixing post; 3. Roll assembly; 31. Roll support; 32. Roll motor; 33. Roll shaft; 34. Secondary paper motor; 35. Secondary paper shaft. Detailed Implementation

[0027] To further illustrate the technical means and effects adopted by this utility model to achieve its intended purpose, the specific implementation methods of this utility model will be described in detail below with reference to the accompanying drawings and preferred embodiments.

[0028] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Please refer to Figures 1 to 7 This utility model provides a granule feeding device for brush sheets, including a brush sheet assembly 1. The brush sheet assembly 1 includes a terminal 11 connected as a whole strip and a brush sheet body 12 disposed on the terminal 11. It also includes a suction and punching assembly 2 mounted on a platform and a roll assembly 3 disposed on the suction and punching assembly 2. The suction and punching assembly 2 includes a suction and punching bracket 21 mounted on the platform, a punching drive motor 22 disposed on the suction and punching bracket 21, a punching column 23 disposed on the output shaft of the punching drive motor 22, and a punching plate 24 disposed on the suction and punching bracket 21 and penetrated by the punching column 23. The punching plate 24 has a punching opening 241 in the middle for the punching column 23 to pass through. The upper end of the punching plate 24 also has a roll feeding port 242 for the granule roll to extend into and downward into the punching opening 241.

[0032] The entire roll of adhesive granules is wound onto the roll assembly 3, which holds and stores the roll. In use, the roll is pulled out from the roll assembly 3, the backing paper is peeled off, and the roll is fed into the adhesive feeding port 242. The roll enters the position of the cutting opening 241 from the adhesive feeding port 242. The brush assembly 1 enters the position of the suction cutting assembly 2 facing the cutting opening 241. The cutting drive motor 22 starts and drives the cutting column 23 on its output shaft to move towards the cutting opening 241. As the cutting column 23 passes through the cutting opening 241, it cuts the roll of adhesive granules into appropriately sized granules and presses them onto the brush body 12, completing the assembly of the brush body with adhesive. The whole process is highly automated and precise, requires no manual labor, saves time and effort, ensures production quality, reduces production costs, and improves production efficiency.

[0033] To ensure the cut adhesive particles adhere more precisely to the brush plate body 12, such as Figure 1 , Figures 3 to 4 as well as Figure 7 As shown, the suction and punching assembly 2 also includes a suction motor 25 disposed at one end of the punching column 23 near the punching drive motor 22. The middle part of the punching column 23 has at least one suction port 231 connected to the suction motor 25. When the punching drive motor 22 drives the punching column 23 forward, the suction motor 25 starts at the same time to generate suction, so that the cut rubber particles are adsorbed on the suction port 231 and punched and pasted onto the brush body 12 by the punching column 23. By adsorbing the cut rubber particles through the suction port 231, the position of the rubber particles is fixed, effectively preventing the rubber particles from shifting or falling off, so that the cut rubber particles are more accurately pasted onto the brush body 12, thereby improving the assembly accuracy of this rubber particle feeding device.

[0034] Preferred, such as Figure 7 As shown, the number of suction ports 231 is three sets evenly distributed within the punching column 23, thereby making its adsorption force on the adhesive particles more uniform and more conducive to making the cut adhesive particles more accurately adhere to the brush plate body 12.

[0035] The size of the rubber particles cut by the punching column 23 can be set according to the actual situation, so no specific limitation is made in this embodiment.

[0036] Preferred, such as Figure 7 As shown, a limiting post can also be fitted outside the punching post 23. The limiting post is fixed on the punching plate 24 to limit the punching post 23, prevent the punching post 23 from shifting during the movement, and improve the assembly accuracy of this granule feeding device.

[0037] For other structural settings of this suction punching assembly 2, such as Figure 1 , Figures 3 to 6 As shown, the suction and punching assembly 2 further includes a first stamping limiting plate 26 disposed on the output shaft of the punching drive motor 22, a stamping pressure plate 27 disposed on one end of the suction and punching bracket 21 away from the punching drive motor 22, and a winding structure 28 disposed on the other end of the suction and punching bracket 21 away from the punching drive motor 22. The punching column and the suction motor 25 are disposed on the first stamping limiting plate 26, thereby realizing the purpose of the punching drive motor 22 driving the punching column 23 and the suction motor 25 to push and retract through the first stamping limiting plate 26. By setting the stamping pressure plate 27, the brush assembly 1 is conveyed to the stamping pressure plate 27 by an external conveying mechanism for processing. The stamping pressure plate 27 slides and limits the brush assembly 1, thereby preventing the brush assembly 1 from shifting or falling during processing, further improving the assembly accuracy of this granule feeding device. By setting the winding structure 28, the cut scraps are recycled, reducing the accumulation of scraps that could cause the suction and punching assembly 2 to malfunction.

[0038] Regarding the connection method of the first stamping limiting plate 26 and the punching plate 24, as follows: Figure 1 and Figure 3 As shown, a stamping telescopic column and a corresponding stamping spring sleeved on the stamping telescopic column are also provided between the stamping first limiting plate 26 and the punching plate. When the punching drive motor 22 starts, it drives the stamping first limiting plate 26 forward. The stamping telescopic column on the stamping first limiting plate 26 simultaneously drives the punching plate on it forward, so that the punching plate presses against the stamping first limiting plate 26 to fix and limit the brush assembly 1. The stamping drive motor 22 continues to push, and at this time the stamping telescopic column... When the column is locked, the pressure spring is compressed for buffering, and the cutting plate 24 is driven to continue to advance, thereby driving the cutting column 23 to extend into the cutting opening 241 to cut the rubber granule roll and attach the rubber granules to the brush body 12. By setting the pressure telescopic column and the corresponding pressure spring sleeved on the pressure telescopic column, the pressure of the cutting drive motor 22 is buffered, effectively reducing the impact force on the brush body 12 and preventing the brush body 12 from being damaged by the instantaneous impact force.

[0039] Preferred, such as Figure 1 and Figure 3As shown, to prevent the stamping first limiting plate 26 and the punching plate 24 from shifting during the driving process, which would lead to inaccurate cutting of the rubber roll and installation, a limiting post is also provided between the stamping first limiting plate 26, the punching plate 24 and the stamping pressing plate 27, which passes through the limiting post in sequence. The stamping first limiting plate 26 and the punching plate 24 slide on the limiting post, thereby effectively preventing the stamping first limiting plate 26 and the punching plate 24 from shifting during the driving process, which would lead to inaccurate cutting of the rubber roll and installation.

[0040] The specific structural configuration of the winding structure 28 is as follows: Figure 1 As shown, the winding structure 28 includes a winding reel 2801 disposed on the other end of the suction and punching bracket 21 away from the punching drive motor 22, a winding motor 2802 disposed at the rear end of the winding reel 2801, a winding limiting bracket 2803 connected to the output shaft of the winding motor 2802, a main winding reel 2804 disposed on the winding limiting bracket 2803 and connected to the output shaft of the winding motor 2802, a secondary winding reel 2805 disposed on the winding limiting bracket 2803, and a storage reel 2806 mounted on the platform. Preferably, the lower end of the suction and punching bracket 21 has a recycling hole for the cut scraps to pass through and be recycled. The cut scrap material emerges from the lower end of the roll feed port 242, is adjusted by the take-up shaft 2801, and enters between the main take-up shaft 2804 and the secondary take-up shaft 2805. The take-up motor 2802 drives the main take-up shaft 2804 to rotate, and the secondary take-up shaft 2805 is also driven to rotate, thereby limiting the forward movement of the cut scrap material and providing it with forward propulsion. Finally, the cut scrap material is collected in the storage shaft 2806. Preferably, a motor is also provided on one side of the storage shaft 2806 to drive the storage shaft 2806 to complete the collection of the cut scrap material.

[0041] To make this winding structure 28 more practical, such as Figure 1As shown, the winding structure 28 further includes at least one first winding adjustment guide rail 2807 disposed on the suction punching bracket 21, at least one first winding adjustment slider 2808 slidably disposed on the first winding adjustment guide rail 2807, a winding platform 2809 disposed on the first winding slider, and at least one second winding adjustment guide rail 2810 mounted on the platform, and at least one second winding adjustment slider 2811 slidably disposed on the second winding adjustment guide rail 2810. The winding roll 2801 and the winding motor 2802 are disposed on the winding platform 2809, and the storage roll 2806 is disposed on the first winding adjustment guide rail 2807. On the second winding adjustment slider 2811, the winding structure 28 can slide on the first winding adjustment guide rail 2807 via the first winding adjustment slider 2808, thereby driving the winding platform 2809 to move, thereby changing the position of the winding roll 2801, winding motor 2802, main winding roll 2804, and secondary winding roll 2805. In addition, by sliding on the second winding adjustment guide rail 2810 via the second winding adjustment slider 2811, the position of the storage roll 2806 can be changed. Thus, the winding structure 28 can be positionally adjusted to adapt to different specifications of scrap materials, further improving the practicality of the winding structure 28.

[0042] Preferred, such as Figure 1 As shown, there are two sets of the first winding adjustment guide rail 2809 and two sets of the first winding adjustment slider 2810, which are evenly arranged on both sides of the winding platform 2811, so that the adjustment force of the winding platform 2811 is more balanced and will not deviate on one side.

[0043] The specific method by which the stamping pressure plate 27 limits the position of the brush assembly 1 is as follows: Figure 6 As shown, the stamping pressure plate 27 has a brush plate sliding groove 271 at one end facing the punching column 23, which is a sliding limiter for the brush plate body 12, and a terminal sliding groove 272 at the lower end of the brush plate sliding groove 271, which is a sliding limiter for the terminal. The external conveying mechanism places the brush plate body 12 in the brush plate assembly 1 into the brush plate sliding groove 271 for sliding, and places the terminal 11 into the terminal sliding groove 272 for sliding, thereby limiting the position of the brush plate assembly 1 and preventing the brush plate assembly 1 from shifting or falling off during the movement, which would lead to the problem of inaccurate adhesion of the adhesive particles, thus improving the assembly accuracy of this adhesive particle feeding device.

[0044] The specific method by which the punching plate 24 limits the position of the brush assembly 1 is as follows: Figure 2 and Figure 5As shown, several through holes 111 are formed on the terminal 11. At least one through groove 273 matching the through holes 111 is formed on one end of the stamping pressure plate 27 facing the punching post 23. At least one through post 243 is provided on one end of the punching plate 24 facing the stamping pressure plate 27, which can pass through the through groove 273 and penetrate the through holes 111. When the punching plate 24 is pressed in the direction of the stamping pressure plate 27, it cooperates with the speed of the external conveying mechanism to convey the brush assembly 1, so that the through post 243 on the punching plate 24 passes through the through groove 273 and enters the through hole 111 while being pushed forward, thereby positioning the terminal 11 and preventing the brush assembly 1 from shifting or falling off during the movement, which would cause the problem of inaccurate bonding of the adhesive particles, thus improving the assembly accuracy of this adhesive particle feeding device.

[0045] To further improve the accuracy of adhesive particles adhering to the brush plate body 12, such as Figure 1 , Figure 3 as well as Figure 4 As shown, the brush body 12 is V-shaped, with one side of the V-shape attached to the terminal 11 and the other end suspended and parallel to the punching plate 23. The suction punching assembly 2 also includes a brush fixing structure 29 mounted on the punching pressure plate 27. The brush fixing structure 29 includes a brush fixing guide rail 291 mounted on the suction punching bracket 21, a brush fixing slider 292 slidably mounted on the brush fixing guide rail 291, and a brush fixing post 293 mounted on the brush fixing slider 292. The lower end of the brush fixing post 293 forms a triangular prism that matches the V-shaped structure of the brush body 12. Preferably, a motor that can drive the brush fixing slider 292 to slide downwards may also be provided on the brush fixing slider 292. After the external conveying mechanism conveys the brush assembly 1 into place, the brush fixing slider 292 slides downward along the brush fixing guide rail 291 under the drive of the motor, so that the brush fixing post 293 set thereon is inserted into the V-shape of the brush body 12, thereby limiting the position of the brush body 12 and preventing the V-shaped brush body 12 from deforming during the stamping process, which would cause the glue particles to be inaccurately pasted.

[0046] Regarding the specific structural configuration of the roll assembly 3, as follows: Figure 1As shown, the roll assembly 3 includes a roll support 31 mounted on the suction and punching assembly 2, at least one roll motor 32 mounted on the roll support 31, a roll spool 33 mounted on the output shaft of the roll motor 32, at least one roll auxiliary paper motor 34 mounted on the roll support 31, and a roll auxiliary paper spool 35 mounted on the roll auxiliary paper motor 34. The adhesive granules are wound on the roll spool 33. When needed, the roll motor 32 is started to release the adhesive granules wound on the roll spool 33. The released adhesive granules can be wound onto the roll auxiliary paper spool 35 after the auxiliary paper is peeled off by a robotic arm or manually. Subsequently, the roll auxiliary paper motor 34 can automatically peel off the subsequent auxiliary paper. The adhesive granules after the auxiliary paper is peeled off enter the punching opening 241 for punching.

[0047] Preferred, such as Figure 1 As shown, multiple rollers for limiting the rolling of rubber granules can also be provided on the roll support 31, so that the rolling of rubber granules can be conveyed more accurately and smoothly.

[0048] It should be noted that the granule feeding device for brush plates disclosed in this utility model is an improvement on the specific structure, but the specific control method is not an innovation of this utility model. The motor, telescopic column, spring, slide rail, slider, reel, and other components involved in this utility model can be general standard parts or components known to those skilled in the art. Their structure, principle, and control method are all known to those skilled in the art through technical manuals or conventional experimental methods.

[0049] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, other structures obtained by using the same or similar technical features as the above embodiments of the present utility model are all within the protection scope of the present utility model.

Claims

1. A granule feeding device for brush plates, comprising a brush plate assembly, the brush plate assembly including a terminal connected as a whole into a strip and a brush plate body disposed on the terminal, characterized in that: It also includes a suction and punching assembly mounted on a platform, and a roll assembly mounted on the suction and punching assembly. The suction and punching assembly includes a suction and punching bracket mounted on the platform, a punching drive motor mounted on the suction and punching bracket, a punching column mounted on the output shaft of the punching drive motor, and a punching plate mounted on the suction and punching bracket and penetrated by the punching column. The punching plate has a punching opening in the middle for the punching column to pass through, and the upper end of the punching plate also has a roll feeding port for the rubber granules to extend into and downward into the punching opening.

2. The granule feeding device for brush sheets according to claim 1, characterized in that: The suction and punching assembly further includes a suction motor disposed at one end of the punching column near the punching drive motor, and at least one suction port connected to the suction motor is formed in the middle of the punching column.

3. The granule feeding device for brush sheets according to claim 2, characterized in that: The suction and punching assembly further includes a first punching limiting plate disposed on the output shaft of the punching drive motor, a punching pressure plate disposed on one end of the suction and punching bracket away from the punching drive motor, and a winding structure disposed on the other end of the suction and punching bracket away from the punching drive motor. The punching column and the suction motor are disposed on the first punching limiting plate.

4. The granule feeding device for brush sheets according to claim 3, characterized in that: The winding structure includes a winding reel disposed on the other end of the suction punching bracket away from the punching drive motor, a winding motor disposed at the rear end of the winding reel, a winding limiting bracket connected to the output shaft of the winding motor, a main winding reel disposed on the winding limiting bracket and connected to the output shaft of the winding motor, a secondary winding reel disposed on the winding limiting bracket, and a storage reel mounted on the platform.

5. The granule feeding device for brush sheets according to claim 4, characterized in that: The winding structure further includes at least one first winding adjustment guide rail disposed on the suction and punching bracket, at least one first winding adjustment slider slidably disposed on the first winding adjustment guide rail, a winding platform disposed on the first winding slider, and at least one second winding adjustment guide rail disposed on the platform, and at least one second winding adjustment slider slidably disposed on the second winding adjustment guide rail. The winding reel and winding motor are disposed on the winding platform, and the winding reel is disposed on the second winding adjustment slider.

6. The granule feeding device for brush sheets according to claim 3, characterized in that: The stamping pressure plate has a brush plate sliding groove at one end facing the punching column, which is a sliding limit for the power supply brush plate body, and a terminal sliding groove at the lower end of the brush plate sliding groove, which is used to slide and limit the terminal.

7. The granule feeding device for brush sheets according to claim 6, characterized in that: The terminal has several through holes, and the end of the stamping plate facing the punching post has at least one through groove that matches the through holes. The end of the punching plate facing the stamping plate has at least one through post that can pass through the through groove and penetrate the through holes.

8. The granule feeding device for brush sheets according to claim 3, characterized in that: The brush body is V-shaped, with one side of the V-shape positioned on a terminal. The suction and punching assembly also includes a brush fixing structure mounted on the punching plate. The brush fixing structure includes a brush fixing guide rail mounted on the suction and punching bracket, a brush fixing slider slidably mounted on the brush fixing guide rail, and a brush fixing post mounted on the brush fixing slider. The lower end of the brush fixing post forms a triangular prism that matches the V-shaped structure of the brush body.

9. The granule feeding device for brush sheets according to claim 1, characterized in that: The roll assembly includes a roll support mounted on the suction and punching assembly, at least one roll motor mounted on the roll support, a roll spool mounted on the output shaft of the roll motor, at least one secondary paper motor mounted on the roll support, and a secondary paper spool mounted on the secondary paper motor.

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