Grinding device for powder processing

Abstract

The utility model provides a grinding device for powder processing, and relates to the technical field of powder processing equipment, the grinding device for powder processing comprises a rack, a rotatable ball milling tank is arranged on the rack, a driving structure is arranged on the rack, and the driving structure is used for driving the ball milling tank to rotate; by arranging the filter screen, materials can be filtered, so that the materials which are completely ground pass through the filter screen and enter the collecting cover to be collected, the materials can be discharged in the grinding process, and after the materials are discharged, the materials in the ball-milling tank can be reduced; at the moment, materials which are not completely ground can be better and faster ground through the steel balls in the ball milling tank, the grinding speed is increased, the working efficiency is improved, the filter screen can be protected by arranging a shielding frame and an arc-shaped protection baffle, the influence of the falling steel balls on the filter screen is avoided, and the service life of the filter screen is prolonged. And the service life and normal filtering operation of the filter screen are ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of powder processing equipment, specifically a grinding device for powder processing. Background Technology

[0002] In the chemical industry, powder processing is used to produce various chemical raw materials and additives. Precise powder processing ensures the uniformity and efficiency of chemical reactions, improving the quality of chemical products. The powder processing process involves multiple stages, including crushing, grinding, and classification. Each stage has a significant impact on the final powder quality. As a key step that determines the particle size of the powder, the quality of the technology and equipment used directly affects whether the powder can meet the stringent requirements of various industries. Ball mills are a common type of grinding equipment in powder processing.

[0003] Ball mills typically utilize centrifugal force during rotation to lift internal steel balls, which then pulverize the material through interaction with the grinding media. After pulverization, the steel balls and material are poured out of the mill jar together, separating them outside the jar. The steel balls are then loaded back into the jar for the next grinding cycle. The problem with this type of ball mill is that the separation of the milled material requires emptying both the steel balls and material from the jar, a time-consuming and labor-intensive process with low efficiency. Therefore, a grinding device for powder processing is needed to solve these technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a grinding device for powder processing, which aims to solve the problems in the prior art.

[0005] To achieve the above objectives, one embodiment of the present invention provides a grinding apparatus for powder processing, comprising:

[0006] frame;

[0007] A ball mill jar is mounted on a frame. The ball mill jar is rotatable. The diameter of the inside of the ball mill jar gradually increases from both ends to the middle. Two discharge ports are symmetrically opened in the middle of the ball mill jar.

[0008] A drive structure, mounted on the frame, is used to drive the milling jar to rotate.

[0009] Two filter screens are installed inside the discharge port, with each filter screen corresponding to a discharge port.

[0010] Two shielding frames are symmetrically installed on the inner wall of the ball mill jar. An arc-shaped protective baffle is fixedly connected to the end of each of the two shielding frames. The arc-shaped protective baffle corresponds to the position of the filter screen. The arc-shaped protective baffle is one-to-one with the filter screen. The arc-shaped protective baffle is used to protect the filter screen. Multiple material passage holes are provided on each of the two arc-shaped protective baffles.

[0011] A collection hood is mounted on the frame, with a portion of the ball mill jar located inside the collection hood, which is used to collect the material discharged from the discharge port;

[0012] A conveying auger is connected to the bottom of the collection hood, and the conveying auger is used to convey the material collected by the collection hood.

[0013] Preferably, a cleaning structure is connected to one side of the collection hood. The cleaning structure includes a support frame, an electric push rod, a mounting plate, and a cleaning brush assembly. The support frame is installed on one side of the collection hood, the electric push rod is installed on the top side of the support frame, the mounting plate is connected to the output end of the electric push rod, and two positioning holes are provided on the mounting plate. The cleaning brush assembly is detachably mounted on the mounting plate.

[0014] Preferably, the cleaning brush assembly includes a connecting threaded rod, a cleaning brush, and a connecting nut. There are two connecting threaded rods, which are inserted into the positioning holes. Each connecting threaded rod corresponds to a positioning hole. The cleaning brush is connected to the ends of the two connecting threaded rods. There are also two connecting nuts, which are threadedly connected to the connecting threaded rods. Each connecting nut corresponds to a connecting threaded rod.

[0015] Preferably, the drive structure includes a motor mounting bracket, a motor, a drive gear, a bearing housing, a rotating shaft, and a driven gear. The motor mounting bracket is installed on one side of the frame, and the motor is mounted on the motor mounting bracket. The drive gear is connected to the output end of the motor. There are two bearing housings, which are symmetrically installed on the top side of the frame. There are two rotating shafts, both of which are connected to the grinding jar. The rotating shafts are connected to the bearing housings, and there is a one-to-one correspondence between the rotating shafts and the bearing housings. The driven gear is connected to one of the rotating shafts, and the driven gear meshes with the drive gear.

[0016] Preferably, a transmission assembly is provided between the rotating shaft and the conveying auger. The transmission assembly includes a first pulley, a second pulley, and a connecting shaft. The first pulley is connected to a rotating shaft, the second pulley is connected to the first pulley via a belt, one end of the connecting shaft is connected to the second pulley, and the other end of the connecting shaft is connected to the input shaft of the conveying auger.

[0017] Preferably, the ball mill jar is provided with a feed inlet, the inner wall of the feed inlet is threaded with a sealing plug, and the outer surface of the sealing plug is fixedly connected with a rotating lever.

[0018] Preferably, the frame includes a support base and mounting bases, and there are two mounting bases, which are symmetrically mounted on the top side of the support base.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. By setting up a filter screen, materials can be filtered, allowing fully ground materials to pass through the filter screen and enter the collection hood for collection. This allows materials to be discharged during the grinding process, and after the materials are discharged, the material inside the ball mill jar will be reduced. At this time, the steel balls inside the ball mill jar can grind the incompletely ground materials better and faster, increasing the grinding speed and improving work efficiency. Furthermore, by setting up a shield and an arc-shaped protective baffle, the filter screen can be protected to avoid the impact of falling steel balls, ensuring the life of the filter screen and normal filtration operation.

[0021] 2. By setting up a collection hood and a conveying auger, the ground powder can be collected and conveyed, making the collection and conveying of powder operation relatively simple.

[0022] 3. By setting up a cleaning brush, the filter screen can be cleaned during the ball milling process, which greatly avoids material clogging of the filter screen and ensures that the filter screen can perform normal filtration and discharge operations. In addition, the setting of connecting threaded rod and connecting nut makes the installation and removal of the cleaning brush easy, and it is easy to replace the cleaning brush when it is damaged. Attached Figure Description

[0023] Figure 1 This is a first-view structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0025] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the ball mill jar of this utility model;

[0027] Figure 5 This is a schematic diagram of the cleaning structure of this utility model;

[0028] Figure 6 This is a schematic diagram of the arc-shaped protective baffle of this utility model.

[0029] In the diagram: 10. Frame; 11. Support base; 12. Mounting seat; 13. Motor mounting bracket; 14. Motor; 15. Drive gear; 16. Bearing seat; 17. Rotating shaft; 18. Driven gear; 19. Pulley 1; 20. Grinding jar; 21. Filter screen; 22. Baffle frame; 23. Arc-shaped protective baffle; 231. Material passage hole; 24. Sealing plug; 30. Collection cover; 40. Conveying auger; 41. Pulley 2; 42. Connecting shaft; 50. Cleaning structure; 51. Support frame; 52. Electric push rod; 53. Mounting plate; 54. Connecting threaded rod; 55. Cleaning brush; 56. Connecting nut. Detailed Implementation

[0030] The present invention will now be further described with reference to the accompanying drawings.

[0031] like Figures 1 to 6 As shown, a grinding device for powder processing includes a frame 10, on which a rotatable ball mill jar 20 is mounted. A drive structure is mounted on the frame 10 to rotate the ball mill jar 20. Two discharge ports are symmetrically located at the center of the ball mill jar 20. The diameter of the ball mill jar 20 gradually increases from both ends towards the center, allowing material to move towards the discharge ports located in the center of the ball mill jar 20. Filter screens 21 are installed on the inner walls of both discharge ports. Two baffles 22 are symmetrically installed on the inner walls of the ball mill jar 20. Arc-shaped protective baffles 23 are fixedly connected to the ends of both baffles 22. The arc-shaped protective baffles 23 correspond to the positions of the filter screens 21. 3 corresponds one-to-one with the filter screen 21. The arc-shaped protective baffle 23 is used to protect the filter screen 21, to prevent the steel ball from contacting the filter screen 21 and causing damage to the filter screen 21. It can also greatly prevent the material from adhering to the surface of the arc-shaped protective baffle 23. Both arc-shaped protective baffles 23 are provided with multiple material passage holes 231. A collection hood 30 is provided on the frame 10. A part of the ball mill jar 20 is located inside the collection hood 30. The collection hood 30 is used to collect the material discharged from the discharge port. The bottom of the collection hood 30 is conical in shape, which facilitates the collection and conveying of materials. The end of the collection hood 30 is connected to a conveying auger 40. The conveying auger 40 is used to convey the material in the collection hood 30 to a specific position.

[0032] During the process of the ball mill jar 20 rotating to grind the material with the internal steel balls, the fully ground powder will pass through the filter screen 21 and enter the collection hood 30 for collection, while the incompletely ground material will be blocked by the filter screen 21 and continue to be ground inside the ball mill jar 20. This allows the material to be discharged during the grinding process. After the material is discharged, the amount of material inside the ball mill jar 20 will be reduced, and what remains is the incompletely ground material. At this time, the steel balls inside the ball mill jar 20 can grind the incompletely ground material better and faster, thereby increasing the grinding speed.

[0033] It is important to note that the discharge port of the conveying auger 40 can be connected to the feed hopper of the lifting auger used in the powder bagging machine, allowing the ground powder to directly enter the feed hopper of the lifting auger used in the powder bagging machine. This simplifies the subsequent bagging operation. The distance between the shield 22 and the arc-shaped protective baffle 23, the maximum distance between the arc-shaped protective baffle 23 and the inner wall of the ball mill jar 20, and the maximum distance between the shield 22 and the inner wall of the ball mill jar 20 are all smaller than the diameter of the steel ball. The diameter of the feed hole 231 is also smaller than the diameter of the steel ball, which prevents the steel ball from entering between the arc-shaped protective baffle 23 and the ball mill jar 20. This not only prevents the steel ball from damaging the filter screen 21 but also prevents the steel ball from clogging the gap between the arc-shaped protective baffle 23 and the ball mill jar 20. This ensures that the fully ground powder can be smoothly discharged through the filter screen 21 to the outside of the ball mill jar 20.

[0034] like Figure 1 , Figure 2 and Figure 5 A cleaning structure 50 is provided on one side of the collection cover 30. The cleaning structure 50 is used to clean the filter screen 21, thereby greatly avoiding the clogging of the filter screen 21. The cleaning structure 50 includes a support frame 51 connected to the collection cover 30. An electric push rod 52 is fixedly installed on the top side of the support frame 51. An installation plate 53 is fixedly connected to the output end of the electric push rod 52. Two positioning holes are opened on the installation plate 53. A detachable cleaning brush assembly is provided on the installation plate 53. The cleaning brush assembly includes two connecting threaded rods 54 inserted into the two positioning holes. A cleaning brush 55 is fixedly connected to the end of the two connecting threaded rods 54. The cleaning brush 55 is located above the ball mill jar 20 and corresponds to the position of the filter screen 21. A connecting nut 56 is threadedly connected to the outer surface of the two connecting threaded rods 54.

[0035] The cleaning brush 55 can be adjusted to a suitable position via the electric push rod 52, and the bristles of the cleaning brush 55 can be made to fit tightly against the ball mill jar 20. During the process of the ball mill jar 20 rotating to grind the material, the filter screen 21 rotates accordingly. When the filter screen 21 rotates to the position corresponding to the cleaning brush 55, the bristles of the cleaning brush 55 will clean the filter screen 21, thereby greatly avoiding the clogging of the filter screen 21 and ensuring the normal operation of the material discharge.

[0036] When installing the cleaning brush 55, first insert the connecting threaded rod 54 into the positioning hole and make the cleaning brush 55 fit against the mounting plate 53. Then, thread the connecting nut 56 onto the connecting threaded rod 54 and make the connecting nut 56 fit tightly against the mounting plate 53. This completes the installation of the cleaning brush 55, making the installation of the cleaning brush 55 relatively simple. It is also easy to remove the cleaning brush 55 and replace it when the bristles of the cleaning brush 55 are damaged.

[0037] It should be noted that the length of the cleaning brush 55 is greater than the length of the filter screen 21, which allows the cleaning brush 55 to thoroughly clean the filter screen 21. Furthermore, the bristles of the cleaning brush 55 can enter the mesh of the filter screen 21 for cleaning, resulting in a better cleaning effect on the filter screen 21.

[0038] like Figure 1-3 The drive structure includes a motor mounting bracket 13 connected to the frame 10 and two bearing seats 16 mounted on the top of the frame 10. A motor 14 is mounted on the motor mounting bracket 13. A drive gear 15 is connected to the output end of the motor 14. A rotating shaft 17 connected to the ball mill jar 20 is connected to each of the two bearing seats 16. A driven gear 18 that meshes with the drive gear 15 is connected to one of the rotating shafts 17.

[0039] During the grinding operation, the motor 14 is started, and the rotating shaft 17 drives the grinding jar 20 to rotate under the transmission action of the drive gear 15 and the driven gear 18, thereby causing the steel balls inside the grinding jar 20 to grind the material.

[0040] like Figure 1-3 A transmission assembly is provided between the rotating shaft 17 and the conveying auger 40. The transmission assembly includes a pulley 19 connected to the rotating shaft 17. The pulley 19 is connected to a pulley 41 via a belt drive. A connecting shaft 42 is connected to the inner wall of the keyway of the pulley 41. The connecting shaft 42 is connected to the input shaft of the conveying auger 40.

[0041] like Figure 1 and Figure 2 The ball mill jar 20 is provided with a feed inlet, and a sealing plug 24 is threadedly connected to the inner wall of the feed inlet. A rotating lever is fixedly connected to the outer surface of the sealing plug 24.

[0042] During the filling operation, the material can be added into the ball mill jar 20 through the feed port. During the grinding operation, the sealing plug 24 is threadedly connected to the feed port to seal the feed port. The sealing plug 24 can be rotated and separated from the feed port by rotating the dial plate.

[0043] like Figure 1-3 The frame 10 includes a support base 11, and two mounting seats 12 are symmetrically connected to the top side of the support base 11. Bearing seats 16 are installed on the top side of the mounting seats 12, and the bearing seats 16 correspond one-to-one with the mounting seats 12.

[0044] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0045] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A grinding device for powder processing, characterized by, Include: Frame (10); Ball mill jar (20) is arranged on the frame (10), the ball mill jar (20) can rotate, the diameter inside the ball mill jar (20) gradually increases from both ends to the middle part, two discharge ports are symmetrically arranged in the middle part of the ball mill jar (20); Driving structure is installed on the frame (10), and the driving structure is used to drive the ball mill jar (20) to rotate; Two filter screens (21) are installed inside the discharge port, and the filter screen (21) corresponds to the discharge port one by one; Two shielding frames (22) are symmetrically installed on the inner wall of the ball mill jar (20), the end of the two shielding frames (22) is fixedly connected with the arc-shaped protective baffle (23), the arc-shaped protective baffle (23) corresponds to the position of the filter screen (21), the arc-shaped protective baffle (23) corresponds to the filter screen (21) one by one, the arc-shaped protective baffle (23) is used for protecting the filter screen (21), a plurality of material holes (231) are arranged on the two arc-shaped protective baffles (23); Collecting cover (30) is arranged on the frame (10), a part of the ball mill jar (20) is located in the inside of the collecting cover (30), and the collecting cover (30) is used for collecting the material discharged from the discharge port; The conveying auger (40) is connected with the bottom end of the collecting cover (30), and the conveying auger (40) is used for conveying the material collected by the collecting cover (30).

2. The grinding device for powder processing according to claim 1, wherein One side of the collecting cover (30) is connected with the cleaning structure (50), the cleaning structure (50) includes a supporting frame (51), an electric push rod (52), a mounting plate (53) and a cleaning brush assembly, the supporting frame (51) is installed on one side of the collecting cover (30), the electric push rod (52) is installed on the top side of the supporting frame (51), the mounting plate (53) is connected with the output end of the electric push rod (52), two positioning holes are formed in the mounting plate (53), and the cleaning brush assembly is detachably arranged on the mounting plate (53).

3. The grinding device for powder processing according to claim 2, wherein The cleaning brush assembly includes a connecting threaded rod (54), a cleaning brush (55) and a connecting nut (56), the number of the connecting threaded rod (54) is two, the connecting threaded rod (54) is inserted into the inside of the positioning hole, the connecting threaded rod (54) corresponds to the positioning hole one by one, the cleaning brush (55) is connected with the end of the two connecting threaded rods (54), the number of the connecting nut (56) is two, the connecting nut (56) is screwed with the connecting threaded rod (54), and the connecting nut (56) corresponds to the connecting threaded rod (54) one by one.

4. The grinding device for powder processing according to claim 2, wherein The driving structure comprises a motor mounting frame (13), a motor (14), a driving gear (15), a bearing seat (16), a rotating shaft (17) and a driven gear (18), the motor mounting frame (13) is installed on one side of the rack (10), the motor (14) is installed on the motor mounting frame (13), the driving gear (15) is connected with the output end of the motor (14), the number of the bearing seat (16) is two, the two bearing seats (16) are symmetrically installed on the top side of the rack (10), the number of the rotating shaft (17) is two, the two rotating shafts (17) are connected with the ball mill jar (20), the rotating shaft (17) is connected with the bearing seat (16), the rotating shaft (17) corresponds to the bearing seat (16) one by one, the driven gear (18) is connected with one rotating shaft (17), and the driven gear (18) is engaged with the driving gear (15).

5. The grinding device for powder processing according to claim 4, wherein Transmission assembly is arranged between the rotating shaft (17) and the conveying auger (40), the transmission assembly comprises a pulley one (19), a pulley two (41) and a connecting shaft (42), the pulley one (19) is connected with one rotating shaft (17), the pulley two (41) is in transmission connection with the pulley one (19) through a belt, one end of the connecting shaft (42) is connected with the pulley two (41), and the other end of the connecting shaft (42) is connected with the input shaft of the conveying auger (40).

6. The grinding device for powder processing according to claim 4, wherein The ball mill jar (20) is provided with a feed inlet, the inner wall of the feed inlet is threadedly connected with a sealing plug (24), and the outer surface of the sealing plug (24) is fixedly connected with a rotating handle.

7. The grinding device for powder processing according to claim 6, wherein The rack (10) comprises a supporting base (11) and a mounting seat (12), the number of the mounting seat (12) is two, and the two mounting seats (12) are symmetrically installed on the top side of the supporting base (11).

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