Filler crushing device for industrial machining
By designing an industrial mechanical crushing device including an outer sleeve and a grinding device, the problem of the crushing object becoming dulled by winding the shaft and the crushing knife is solved, and a more efficient crushing effect and a longer service life are achieved.
Patent Information
- Application Number
- CN202510333075.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-04-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the crushing process of existing industrial machinery crushing devices, the crushing substances are easily wrapped around the rotating shaft, resulting in the need to be cleaned regularly, and the crushing knife will easily become dull after being used for a long time, affecting the crushing effect.
A crushing device including a crushing cylinder, a drive motor, a crushing shaft, an outer sleeve and a grinding device are designed. The outer sleeve is fixed to the inner wall of the crushing cylinder through a grinding device to prevent the crushing substance from contacting the crushing shaft. The crushing knife is kept sharp by the grinding device and extends its service life.
It effectively avoids crushing objects wrapping on the shaft, reduces cleaning frequency, extends the service life of the crushing knife, improves the crushing effect, and protects the crushing shaft and drive motor.
Smart Images

Figure CN119869693A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of industrial machinery production, in particular to a filler crushing device used for industrial machinery processing. Background Art
[0002] Industry is the product of the development of social division of labor, and has gone through several stages of development, including handicraft industry and machine industry. Industry is a component of the secondary industry, and is mainly divided into light industry and heavy industry. Industrial machinery refers to the equipment and tools used in the industrial production process.
[0003] Industrial machinery often needs to be filled with fillers during production. In order to ensure that the fillers are evenly distributed after filling, the fillers need to be crushed. During the crushing process of the currently used crushing device, the crushed material is easily entangled on the shaft, resulting in the need to clean the shaft regularly. In addition, the crushing blade is prone to become blunt after being used for a long time, affecting the crushing effect. Summary of the invention
[0004] In view of the deficiencies in the prior art, the present invention provides a filler crushing device for industrial mechanical processing, which solves the problems that in the crushing process of the currently used crushing devices, the crushed materials are easily entangled on the rotating shaft, resulting in the need to regularly clean the rotating shaft, and the crushing blades are prone to become blunt after being used for a long time, affecting the crushing effect.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a filler crushing device for industrial mechanical processing, specifically comprising: A grinding cylinder, which has a cylindrical structure with upper and lower sealed ends, and a driving motor arranged on the top of the grinding cylinder, the driving motor is fixedly connected to the top of the grinding cylinder through a bracket, the driving shaft of the driving motor passes through the grinding cylinder and extends into the inside of the grinding cylinder, one end of the driving motor located inside the grinding cylinder is fixedly connected to the grinding shaft, and a grinding device is sleeved on the outside of the grinding shaft; A filter air port having a square structure and a filter device arranged on one side of the filter air port, wherein the filter air port is opened on the side of the pulverizing cylinder; A feed inlet, which is arranged at the top of the pulverizing cylinder, and the bottom of the feed inlet is connected to the inside of the pulverizing cylinder; A discharge port, which is arranged at the bottom of the grinding cylinder, and the top of the discharge port is connected to the inside of the grinding cylinder; The pulverizing device comprises: An outer sleeve, the outer sleeve having a cylindrical structure, and a grinding device arranged on one side of the outer sleeve, one end of the grinding device being fixedly connected to the outer sleeve, and one end of the grinding device away from the outer sleeve being fixedly connected to the inner wall of the crushing barrel; A fixed ring, which has an annular structure, and a crushing knife arranged on the side of the fixed ring, one end of the crushing knife is fixedly connected to the fixed ring, multiple groups of crushing knives are arranged and evenly distributed on the fixed ring, a sealing ring is arranged outside the fixed ring, one end of the crushing knife away from the fixed ring penetrates the sealing ring and is fixedly connected to the sealing ring, and the top and bottom of the sealing ring are rotatably connected to the outer sleeve through a sealing bearing.
[0006] A crushing device is provided. When in use, the driving motor drives the crushing shaft to rotate, the crushing shaft drives the fixed ring to rotate, and the fixed ring drives the crushing knife to rotate, so that the material entering the crushing barrel can be crushed by the crushing knife. Since an outer sleeve is provided on the outside of the crushing shaft, the outer sleeve is fixed to the inner wall of the crushing barrel through a grinding device. Therefore, the chopped material inside the crushing barrel will not contact the crushing shaft, and the material will not be entangled on the crushing shaft. There is no need to clean the crushing shaft regularly. It is easy to use and can protect the crushing shaft and the driving motor to avoid the crushing shaft from winding and getting stuck and damaging the driving motor.
[0007] Preferably, the outer sleeve and the fixed ring are evenly arranged in multiple groups and distributed alternately, the outer sleeve is sleeved on the outside of the crushing shaft and is slidably connected to the crushing shaft, and the fixed ring is sleeved on the outside of the crushing shaft and is fixedly connected to the crushing shaft.
[0008] Preferably, the crushing knife is arranged between the grinding devices on adjacent outer sleeves, and the crushing knife is arranged in an arc shape.
[0009] Preferably, the grinding device includes a fixed seat, a sliding groove is provided on one side of the fixed seat, the inner wall of the sliding groove is slidably connected to the sliding seat, one side of the sliding seat is fixedly connected to an extrusion spring, the side of the extrusion spring away from the sliding seat is fixedly connected to the inner wall of the sliding groove, and the side of the sliding seat away from the extrusion spring is fixedly connected to a grinding head. A grinding device is provided, when the crushing knife rotates with the crushing shaft, it passes between the two groups of fixed seats, and the grinding head is pressed against the crushing knife under the elastic force of the extrusion spring. The crushing knife and the grinding head slide relatively, and the crushing knife can be polished by the grinding head, so as to avoid the crushing knife becoming blunt after long-term use, and conveniently extend the maintenance cycle of the crushing knife. It is easy to use and has a stable cutting effect.
[0010] Preferably, one end of the fixing seat is fixedly connected to the outer sleeve, and one end of the fixing seat away from the outer sleeve is fixedly connected to the inner wall of the pulverizing barrel.
[0011] Preferably, the grinding devices on adjacent outer sleeves are arranged relatively to each other, the bottom of the grinding head is arranged in an arc shape, the crushing knife is arranged in an arc shape, the sliding seat can slide inside the slide groove, and the crushing knife can gradually enter under the grinding head from one end while rotating, and lift the grinding head from one end of the grinding head, so as to facilitate the tilting of the grinding head, so that the tilting of the grinding head can adapt to the tilting of the blade of the crushing knife, so that the grinding head can be attached to the blade of the crushing knife for grinding, and the grinding effect is better.
[0012] Preferably, the filtering device includes an annular air duct, the side of the annular air duct is connected to an air inlet pipe, the bottom of the air inlet pipe passes through and is fixedly connected to a sealing frame, the inner walls of the sealing frame are slidably connected to a filter screen and a baffle, one side of the annular air duct is connected to an air suction fan through a connecting pipe, and a filtering device is provided. When in use, air is drawn by the air suction fan, and the airflow inside the pulverizing barrel drives the flying catkins to enter the air inlet pipe through the filter air port, and the flying catkins are filtered out by the filter screen inside the air inlet pipe, so as to prevent the flying catkins inside the pulverizing barrel from being discharged from the feed port and the discharge port to pollute the working environment, thereby facilitating the reduction of the flying catkins content in the working environment and protecting the health of the staff.
[0013] Preferably, the bottom of the filter screen and the baffle both pass through the sealing frame and are slidably connected to the sealing frame. The suction fan is fixedly connected to the side of the pulverizing barrel through a bracket. A filter screen and a baffle are provided. When the filter screen needs to be cleaned, the baffle can be pushed into the sealing frame and the filter screen can be pulled out of the sealing frame. At this time, the baffle blocks the air inlet pipe, and the blocked air inlet pipe stops working, so the filter screen can be cleaned. When one group of filter screens is cleaned, the other filter screens can continue to be cleaned. When the filter screen is cleaned, the filter screen is pushed into the sealing frame again, and then the baffle is pulled out. The cleaning operation of the filter screen is relatively convenient, and the normal operation of the device is not affected during cleaning, which facilitates improving the working efficiency of the device.
[0014] Preferably, the air inlet pipes are provided in multiple groups and correspond one-to-one to the filter air outlets, and one end of the air inlet pipe away from the annular air duct is connected to the filter air outlet.
[0015] The present invention provides a filler crushing device for industrial mechanical processing, which has the following beneficial effects: 1. A filler crushing device for industrial mechanical processing is provided with a crushing device. When in use, a driving motor drives the crushing shaft to rotate, the crushing shaft drives the fixed ring to rotate, and the fixed ring drives the crushing knife to rotate, so that the material entering the crushing barrel can be crushed by the crushing knife. Since an outer sleeve is provided on the outside of the crushing shaft, and the outer sleeve is fixed to the inner wall of the crushing barrel by a grinding device, the shredded material inside the crushing barrel will not contact the crushing shaft, and the material will not be entangled on the crushing shaft. There is no need to clean the crushing shaft regularly. It is easy to use and can protect the crushing shaft and the driving motor to prevent the crushing shaft from winding and getting stuck and damaging the driving motor.
[0016] 2. This filler crushing device used for industrial mechanical processing is provided with a grinding device. When the crushing knife rotates with the crushing shaft, it passes between two sets of fixed seats. Under the elastic force of the extrusion spring, the grinding head is pressed onto the crushing knife. The crushing knife and the grinding head slide relatively with each other, and the crushing knife can be polished by the grinding head, so as to avoid the crushing knife becoming blunt after long-term use, and it is convenient to extend the maintenance cycle of the crushing knife. It is easy to use and has a stable cutting effect.
[0017] 3. A filler crushing device for industrial mechanical processing, the crushing knife is set in an arc shape, the sliding seat can slide inside the slide groove, the crushing knife can gradually enter under the grinding head from one end while rotating, and lift the grinding head from one end of the grinding head, so that the grinding head can be tilted, and the inclination of the grinding head can adapt to the inclination of the crushing knife blade, so that the grinding head can be attached to the blade of the crushing knife for grinding, and the grinding effect is better.
[0018] 4. This filler crushing device used for industrial mechanical processing is provided with a filtering device. When in use, air is sucked through the suction fan, and the airflow inside the crushing cylinder drives the flying catkins into the air inlet pipe through the filter air port. The flying catkins are filtered out by the filter net inside the air inlet pipe, so that the flying catkins inside the crushing cylinder are prevented from being discharged from the feed port and the discharge port to pollute the working environment, which is convenient for reducing the flying catkins content in the working environment and protecting the health of the workers.
[0019] 5. This filler crushing device used for industrial mechanical processing is provided with a filter screen and a baffle. When the filter screen needs to be cleaned, the baffle can be pushed into the sealing frame and the filter screen can be pulled out of the sealing frame. At this time, the baffle blocks the air inlet pipe, and the blocked air inlet pipe stops working, and the filter screen can be cleaned. When one group of filter screens is cleaned, the other filter screens can continue to be cleaned. When the filter screen is cleaned, the filter screen is pushed into the sealing frame again, and then the baffle can be pulled out. The cleaning operation of the filter screen is relatively convenient, and the normal operation of the device is not affected during cleaning, which is convenient for improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 This is a schematic diagram of the structure of the pulverizing device of the present invention; Figure 4 This is a schematic diagram of the internal structure of the outer sleeve of the present invention; Figure 5 This is a schematic diagram of the disassembled structure of the grinding device of the present invention; Figure 6It is a schematic diagram of the structure of the filtering device of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the air inlet pipe of the present invention.
[0021] In the figure: 1. crushing cylinder; 2. driving motor; 3. crushing shaft; 4. crushing device; 41. outer sleeve; 42. grinding device; 421. fixed seat; 422. slide groove; 423. sliding seat; 424. extrusion spring; 425. grinding head; 43. fixing ring; 44. crushing knife; 45. sealing ring; 5. filter air outlet; 6. feed port; 7. filter device; 71. annular air duct; 72. air inlet pipe; 73. suction fan; 74. sealing frame; 75. filter screen; 76. baffle; 8. discharge port. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example
[0023] See also Figure 1-Figure 4 The present invention provides a technical solution: a filler crushing device for industrial mechanical processing, specifically comprising: A pulverizing barrel 1, which has a cylindrical structure with upper and lower sealed ends, and a driving motor 2 arranged on the top of the pulverizing barrel 1, the driving motor 2 is fixedly connected to the top of the pulverizing barrel 1 through a bracket, the driving shaft of the driving motor 2 passes through the pulverizing barrel 1 and extends into the inside of the pulverizing barrel 1, one end of the driving motor 2 located inside the pulverizing barrel 1 is fixedly connected to a pulverizing shaft 3, and a pulverizing device 4 is sleeved on the outside of the pulverizing shaft 3; A filter air port 5 having a square structure and a filter device 7 arranged on one side of the filter air port 5, the filter air port 5 being opened on the side of the pulverizing cylinder 1; A feed port 6 is provided at the top of the pulverizing cylinder 1, and a bottom of the feed port 6 is connected to the inside of the pulverizing cylinder 1; A discharge port 8 is provided at the bottom of the grinding cylinder 1, and a top of the discharge port 8 is communicated with the inside of the grinding cylinder 1; The crushing device 4 comprises: An outer sleeve 41, which has a cylindrical structure, and a grinding device 42 arranged on one side of the outer sleeve 41, one end of the grinding device 42 is fixedly connected to the outer sleeve 41, and one end of the grinding device 42 away from the outer sleeve 41 is fixedly connected to the inner wall of the grinding cylinder 1; A fixing ring 43 having an annular structure and a crushing knife 44 arranged on the side of the fixing ring 43, one end of the crushing knife 44 is fixedly connected to the fixing ring 43, multiple groups of crushing knives 44 are arranged and evenly distributed on the fixing ring 43, a sealing ring 45 is arranged outside the fixing ring 43, one end of the crushing knife 44 away from the fixing ring 43 penetrates the sealing ring 45 and is fixedly connected to the sealing ring 45, and the top and bottom of the sealing ring 45 are rotatably connected to the outer sleeve 41 through a sealing bearing.
[0024] The outer sleeve 41 and the fixing ring 43 are evenly arranged in multiple groups and distributed alternately. The outer sleeve 41 is sleeved on the outside of the crushing shaft 3 and is slidably connected to the crushing shaft 3. The fixing ring 43 is sleeved on the outside of the crushing shaft 3 and is fixedly connected to the crushing shaft 3.
[0025] The crushing knife 44 is disposed between the grinding devices 42 on adjacent outer sleeves 41 , and the crushing knife 44 is configured in an arc shape.
[0026] A crushing device 4 is provided. When in use, the driving motor 2 drives the crushing shaft 3 to rotate, the crushing shaft 3 drives the fixing ring 43 to rotate, and the fixing ring 43 drives the crushing knife 44 to rotate, so that the material entering the crushing cylinder 1 can be crushed by the crushing knife 44. Since an outer sleeve 41 is provided on the outside of the crushing shaft 3, the outer sleeve 41 is fixed to the inner wall of the crushing cylinder 1 through a grinding device 42. Therefore, the shredded material inside the crushing cylinder 1 will not contact the crushing shaft 3, and the material will not be entangled on the crushing shaft 3. There is no need to clean the crushing shaft regularly. It is easy to use and can protect the crushing shaft 3 and the driving motor 2 to prevent the crushing shaft 3 from being entangled and stuck and damaging the driving motor 2. Example
[0027] See also Figure 1-Figure 5On the basis of the first embodiment, the present invention provides a technical solution: the grinding device 42 includes a fixed seat 421, a slide groove 422 is provided on one side of the fixed seat 421, a sliding seat 423 is slidably connected to the inner wall of the slide groove 422, a pressing spring 424 is fixedly connected to one side of the sliding seat 423, a side of the pressing spring 424 away from the sliding seat 423 is fixedly connected to the inner wall of the slide groove 422, a side of the sliding seat 423 away from the pressing spring 424 is fixedly connected to a grinding head 425, one end of the fixed seat 421 is fixedly connected to the outer sleeve 41, and an end of the fixed seat 421 away from the outer sleeve 41 is fixedly connected to the inner wall of the crushing cylinder 1, the grinding devices 42 on adjacent outer sleeves 41 are arranged oppositely, the bottom of the grinding head 425 is arranged in an arc shape, and the grinding device 42 is provided, when the crushing knife 43 rotates with the crushing shaft 3, it passes between the two groups of fixed seats 421 The grinding head 425 is pressed against the crushing knife 43 under the elastic force of the extrusion spring 424, and the crushing knife 43 and the grinding head 425 slide relatively, and the crushing knife 43 can be polished by the grinding head 425, so as to avoid the crushing knife 43 becoming blunt after long-term use, and to extend the maintenance cycle of the crushing knife 43. The crushing knife 43 is convenient to use, and the cutting effect is stable. The crushing knife 43 is arranged in an arc shape, and the sliding seat 423 can slide inside the slide groove 422. The crushing knife 43 can gradually enter from one end under the grinding head 425 while rotating, and lift up the grinding head 425 from one end of the grinding head 425, so as to make the grinding head 425 tilted, so that the tilt of the grinding head 425 can adapt to the tilt of the blade of the crushing knife 43, so that the grinding head 425 can be attached to the blade of the crushing knife 43 for grinding, and the grinding effect is better. Example
[0028] See also Figure 1-Figure 6On the basis of the first and second embodiments, the present invention provides a technical solution: the filtering device 7 includes an annular air duct 71, the side of the annular air duct 71 is connected with an air inlet duct 72, the bottom of the air inlet duct 72 penetrates and is fixedly connected with a sealing frame 74, the inner wall of the sealing frame 74 is slidably connected with a filter screen 75 and a baffle 76, one side of the annular air duct 71 is connected with an air suction fan 73 through a connecting pipe, the bottom of the filter screen 75 and the baffle 76 penetrate the sealing frame 74 and are slidably connected with the sealing frame 74, the air suction fan 73 is fixedly connected to the side of the crushing cylinder 1 through a bracket, the air inlet duct 72 is provided with multiple groups and corresponds to the filter air port 5 one by one, the end of the air inlet duct 72 away from the annular air duct 71 is connected with the filter air port 5, and the filtering device 7 is provided. When in use, the air is sucked by the air suction fan 73, and the airflow inside the crushing cylinder 1 drives the flying catkins to enter the air inlet duct 72 through the filter air port 5, and passes through the air inlet duct 72. The filter screen 75 can filter out flying catkins to prevent flying catkins inside the crushing cylinder 1 from being discharged from the feed port 6 and the discharge port 8 to pollute the working environment, thereby reducing the flying catkins content in the working environment and protecting the health of the staff. The filter screen 75 and the baffle plate 76 are provided. When it is necessary to clean the filter screen 75, the baffle plate 76 can be pushed into the sealing frame 74 and the filter screen 75 can be pulled out from the sealing frame 74. At this time, the baffle plate 76 blocks the air inlet pipe 72, and the blocked air inlet pipe 72 stops working, so the filter screen 75 can be cleaned. When one group of filter screens 75 is cleaned, the other filter screens 75 can continue to perform the cleaning work. When the filter screen 75 is cleaned, the filter screen 75 is pushed into the sealing frame 74 again, and then the baffle plate 76 is pulled out. The cleaning operation of the filter screen 75 is relatively convenient, and the normal operation of the device is not affected during cleaning, which is convenient for improving the working efficiency of the device.
[0029] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.
Claims
1. A filler crushing device for industrial mechanical processing, specifically comprising: A pulverizing cylinder (1), the pulverizing cylinder (1) having a cylindrical structure with upper and lower sealed ends, and a driving motor (2) arranged at the top of the pulverizing cylinder (1), the driving motor (2) being fixedly connected to the top of the pulverizing cylinder (1) via a bracket, the driving shaft of the driving motor (2) passing through the pulverizing cylinder (1) and extending into the interior of the pulverizing cylinder (1), one end of the driving motor (2) located inside the pulverizing cylinder (1) being fixedly connected to a pulverizing shaft (3), and a pulverizing device (4) being sleeved on the outer side of the pulverizing shaft (3); A filter air port (5), the filter air port (5) having a square structure, and a filter device (7) arranged on one side of the filter air port (5), the filter air port (5) being opened on the side of the pulverizing cylinder (1); A feed inlet (6), the feed inlet (6) being arranged at the top of the pulverizing cylinder (1), the bottom of the feed inlet (6) being in communication with the interior of the pulverizing cylinder (1); A discharge port (8), the discharge port (8) being arranged at the bottom of the grinding cylinder (1), and the top of the discharge port (8) being communicated with the interior of the grinding cylinder (1); The filler crushing device for industrial machinery is characterized in that the crushing device (4) comprises: An outer sleeve (41), the outer sleeve (41) having a cylindrical structure, and a grinding device (42) arranged on one side of the outer sleeve (41), one end of the grinding device (42) being fixedly connected to the outer sleeve (41), and one end of the grinding device (42) away from the outer sleeve (41) being fixedly connected to the inner wall of the grinding cylinder (1); A fixing ring (43) having an annular structure, and a crushing knife (44) arranged on the side of the fixing ring (43), one end of the crushing knife (44) being fixedly connected to the fixing ring (43), a plurality of groups of the crushing knives (44) being arranged and evenly distributed on the fixing ring (43), a sealing ring (45) being arranged outside the fixing ring (43), one end of the crushing knife (44) away from the fixing ring (43) penetrating the sealing ring (45) and being fixedly connected to the sealing ring (45), and the top and bottom of the sealing ring (45) being rotatably connected to the outer sleeve (41) via a sealing bearing.
2. A filler crushing device for industrial mechanical processing according to claim 1, characterized in that: The outer sleeve (41) and the fixing ring (43) are evenly arranged in multiple groups and are distributed alternately; the outer sleeve (41) is sleeved on the outside of the pulverizing shaft (3) and is slidably connected to the pulverizing shaft (3); the fixing ring (43) is sleeved on the outside of the pulverizing shaft (3) and is fixedly connected to the pulverizing shaft (3).
3. The filler crushing device for industrial mechanical processing according to claim 1, characterized in that: The crushing knife (44) is arranged between the grinding devices (42) on adjacent outer sleeves (41), and the crushing knife (44) is arranged in an arc shape.
4. The filler crushing device for industrial mechanical processing according to claim 1, characterized in that: The grinding device (42) comprises a fixed seat (421), a sliding groove (422) is provided on one side of the fixed seat (421), a sliding seat (423) is slidably connected to the inner wall of the sliding groove (422), a pressing spring (424) is fixedly connected to one side of the sliding seat (423), a side of the pressing spring (424) away from the sliding seat (423) is fixedly connected to the inner wall of the sliding groove (422), and a grinding head (425) is fixedly connected to the side of the sliding seat (423) away from the pressing spring (424).
5. A filler crushing device for industrial mechanical processing according to claim 4, characterized in that: One end of the fixing seat (421) is fixedly connected to the outer sleeve (41), and one end of the fixing seat (421) away from the outer sleeve (41) is fixedly connected to the inner wall of the pulverizing cylinder (1).
6. The filler crushing device for industrial mechanical processing according to claim 4, characterized in that: The grinding devices (42) on adjacent outer sleeves (41) are arranged opposite to each other, and the bottom of the grinding head (425) is arranged to be arc-shaped.
7. The filler crushing device for industrial mechanical processing according to claim 1, characterized in that: The filtering device (7) comprises an annular air duct (71), the side of the annular air duct (71) being connected to an air inlet duct (72), the bottom of the air inlet duct (72) being penetrated by and fixedly connected to a sealing frame (74), the inner wall of the sealing frame (74) being slidably connected to a filter screen (75) and a baffle (76), and one side of the annular air duct (71) being connected to an air intake fan (73) via a connecting pipe.
8. The filler crushing device for industrial mechanical processing according to claim 7, characterized in that: The bottoms of the filter screen (75) and the baffle (76) both penetrate the sealing frame (74) and are slidably connected to the sealing frame (74), and the air suction fan (73) is fixedly connected to the side of the pulverizing cylinder (1) via a bracket.
9. The filler crushing device for industrial mechanical processing according to claim 7, characterized in that: The air inlet pipes (72) are provided in multiple groups and correspond one-to-one with the filter air ports (5); one end of the air inlet pipe (72) away from the annular air pipe (71) is connected to the filter air port (5).