Ball mill for pigment production

Abstract

The utility model discloses a ball mill for pigment production, which belongs to the technical field of ball mills and comprises a support, two bearing seats, a barrel, a feeding component and a driving component, the barrel is rotatably connected with the bearing seats through hollow pipes, a connecting rod is arranged in the hollow pipe at one end of the barrel in a penetrating manner, one end of the connecting rod is connected with the support, and a scraper is arranged in the barrel. And the scraping plate extends in the barrel body along the length direction of the barrel body. According to the utility model, the scraping plate is arranged in the barrel body, so that powder adhered to the inner wall can be scraped, the ball milling time of the pigment powder is shortened, the production efficiency is improved, and the energy consumption is reduced; the scraping plate is arranged on the downstream side when the opening rotates and cannot be hit by the working ball during working, and meanwhile, the scraping plate cannot affect discharging at the opening during discharging; a stainless steel layer is arranged on the lining plate, pigment quality is guaranteed, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball mills, in particular to a ball mill for pigment production. Background Art

[0002] In the experimental production process of pigments like red iron oxide, the ball mill is a key piece of equipment responsible for crushing, mixing, and homogenizing the raw materials to ensure the quality and performance of the final product. Existing ball mill drums typically have an inner lining to protect the drum. During milling, pigment powder tends to adhere to the drum wall, reducing milling efficiency and prolonging milling time. Furthermore, working balls such as zirconium beads are prone to colliding with the inner lining, causing impurities to fall off and mix into the raw material, impacting pigment product quality. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a ball mill for pigment production, which can reduce the materials adhering to the inner wall of the cylinder during ball milling and improve the ball milling efficiency.

[0004] Technical solution: In order to solve the above technical problems, the technical solution adopted by this utility model is as follows:

[0005] A ball mill for pigment production includes a bracket, two bearing seats symmetrically arranged on the bracket, a barrel rotatably connected between the two bearing seats and used to accommodate working balls, a feeding assembly for feeding material into the barrel, and a driving assembly for driving the barrel to rotate. The barrel is rotatably connected to the bearing seat through a hollow tube, a connecting rod is provided through the hollow tube at one end of the barrel, one end of the connecting rod is connected to the bracket, a scraper is provided in the barrel, which is connected to the connecting rod and used to scrape off material adhering to the inner wall of the barrel, and the scraper extends within the barrel along the length direction of the barrel.

[0006] Furthermore, an opening is provided on the top wall of the cylinder, and a cover for sealing the opening is detachably connected to the cylinder.

[0007] Furthermore, the driving assembly drives the cylinder to rotate clockwise or counterclockwise, and the scraper is arranged on the downstream side of the opening when it rotates.

[0008] Furthermore, the feeding assembly includes a feeding motor and a first reducer connected to the feeding motor, a feeding shell passing through the hollow tube, and a spiral blade arranged in the feeding shell and connected to the first reducer.

[0009] Furthermore, one end of the scraper is connected to the connecting rod, and the other end of the scraper is connected to the feed shell.

[0010] Furthermore, the driving assembly includes a driving motor, a second reducer connected to the driving motor, and a driving gear connected to the second reducer, and the outer wall of the cylinder is connected to a ring gear corresponding to the driving gear.

[0011] Furthermore, the cylinder includes a plurality of inner lining plates arranged on the inner wall thereof, and a stainless steel layer is provided on the inner lining plates.

[0012] Furthermore, a discharge hopper is provided on the bracket at a position corresponding to the opening of the cylinder.

[0013] Furthermore, a dust cover is provided on the bracket at a position corresponding to the discharge hopper.

[0014] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0015] 1. By setting a scraper inside the cylinder, the powder adhering to the inner wall can be scraped off, reducing the ball milling time of the pigment powder, improving production efficiency and reducing energy consumption;

[0016] 2. The scraper is set on the downstream side of the opening when it rotates, so it will not be hit by the working ball during operation. At the same time, the scraper will not affect the discharge of the material at the opening when discharging;

[0017] 3. The inner lining plate is provided with a stainless steel layer, which will not produce impurities when working, ensuring the quality of the pigment and effectively preventing corrosion and wear inside the equipment, thereby extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 2 Schematic diagram of the structure of the cylinder, feed assembly and drive assembly of the embodiment;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the dust cover of the embodiment;

[0021] Figure 4 2. It is a schematic diagram of the cross-sectional structure of the gear ring of the embodiment;

[0022] Figure 5 It is a schematic diagram of the lining plate structure of the embodiment. DETAILED DESCRIPTION

[0023] The present invention will be further illustrated below with reference to specific embodiments. The embodiments are implemented based on the technical solutions of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0024] like Figure 1As shown, the present invention is a ball mill for pigment production, a ball mill for pigment production, including a bracket 1, a bearing seat 2, a cylinder 3, a feeding assembly 4 and a driving assembly 5. The bracket 1 includes a plurality of supporting legs 11 and a supporting plate 12. The supporting plate 12 is fixed at a certain height by the supporting legs 11. The support plate 12 can be used to place a receiving container under the supporting plate 12. There are two bearing seats 2, and the two bearing seats 2 are symmetrically arranged on the supporting plate 12. The bottom of the bearing seat 2 is provided with a first base, and the bearing seat 2 is connected to the support plate 12 through the first base. The cylinder 3 is rotatably connected to the two bearings. Between the seats 2, the cylinder 3 is hollow cylindrical, and the two ends of the cylinder 3 are respectively connected to hollow tubes 31. The two ends of the cylinder 3 are rotatably connected to the corresponding bearing seat 2 through the hollow tubes 31. A bearing is provided in the bearing seat 2, and the hollow tube 31 is interference-connected in the bearing inner ring of the bearing seat 2. A working chamber is provided in the cylinder 3 for accommodating a working ball. In this embodiment, the working ball is a zirconium bead. The feeding assembly 4 is arranged at one end of the cylinder 3. The feeding assembly 4 is used to transport the pigment powder into the cylinder 3. The driving assembly 5 is arranged on the side of the other end of the cylinder 3 for driving the cylinder 3 to rotate.

[0025] like Figure 1 and Figure 2 As shown, the feeding assembly 4 includes a feeding motor 41, a first reducer 42, a feeding shell 43 and a spiral blade 44. The feeding motor 41, the first reducer 42 and the bottom of the feeding shell 43 are all connected to the second base, the second base is connected to the first base, the feeding motor 41 is connected to the first reducer 42, the output shaft of the first reducer 42 is located in the feeding shell 43, the spiral blade 44 is located in the feeding shell 43 and is connected to the output shaft of the first reducer 42, the spiral blade 44 is a shaftless spiral blade, and the feeding The shell 43 passes through the hollow tube 31, and there is a gap between the outer wall of the feed shell 43 and the hollow tube 31, so that the hollow tube 31 will not hit the feed shell 43 when rotating. The part of the feed shell 43 located outside the cylinder 3 is provided with a feed port, and the discharge port of the feed shell 43 is located at the tail end of the feed shell 43 and is connected to the working chamber in the cylinder 3. The pigment powder to be ball-milled enters the feed shell 43 from the feed port, and the spiral blade 44 rotates under the drive of the feed motor 41. The spiral blade 44 continuously drives the powder to move forward and enter the cylinder 3.

[0026] like Figure 1 、 Figure 2 and Figure 4As shown, the driving assembly 5 includes a driving motor 51, a second reducer 52 and a driving gear 53. The bottoms of the driving motor 51 and the second reducer 52 are both connected to the support plate 12. The driving motor 51 is connected to the second reducer 52. The second output shaft 521 of the second reducer 52 is connected to the driving gear 53. The driving gear 53 is arranged on the side of one end of the cylinder 3. The outer wall of the cylinder 3 is connected to a ring gear 54. The position of the ring gear 54 corresponds to the driving gear 53 and the ring gear 54 is engaged with the driving gear 53. When the driving motor 51 is working, it drives the driving gear 53 to rotate, and the driving gear 53 drives the cylinder 3 to rotate through the ring gear 54.

[0027] like Figure 3 、 Figure 4 and Figure 5 As shown, the cylinder 3 includes a plurality of inner lining plates 32 arranged on its inner wall. The inner lining plates 32 are arc-shaped plates. Two countersunk holes are provided on the inner lining plates 32. The inner lining plates 32 are detachably connected to the cylinder body 3 by passing countersunk bolts through the countersunk holes. The plurality of inner lining plates 32 are spread all over the inner wall of the cylinder 3. A stainless steel layer 321 is provided on the inner lining plates 32. The stainless steel layer 321 is arranged on the inner side of the inner lining plates 32. The stainless steel layer 321 is made of high-strength stainless steel material and will not generate impurities when the working ball collides. It can not only resist the impact of hard particles such as zirconium beads, but also effectively prevent corrosion and wear inside the equipment, thereby extending the service life of the equipment.

[0028] like Figure 1 、 Figure 2 and Figure 4As shown, an opening is provided on the top wall of the cylinder 3, and a cover 7 for sealing the opening is detachably connected to the cylinder 3. A frame is provided around the opening, and the cover 7 is bolted to the frame. A handle is provided on the cover 7 for easy extraction. An inner lining plate 32 is also detachably connected to the inner lining plate 32 on the inner wall of the cylinder 3 to form a cylindrical working surface. Before ball milling, the cover 7 is opened to place the working balls, and then the cover 7 is closed. A discharge hopper 13 is provided on the bracket 1 at a position corresponding to the opening of the cylinder 3. A discharge port is provided on the support plate 12 of the bracket 1. The upper end of the discharge hopper 13 is connected to the discharge port. When the cylinder 3 is rotated so that the opening faces downward, the opening of the cylinder 3 is located above the discharge port. When unloading is required, the cover 7 is opened, the cylinder 3 is rotated so that the opening faces downward, and the milled powder and working balls are poured out from the opening and enter the receiving container through the discharge hopper 13. The receiving container waits to be sent to the next filtration step. The dust cover 14 is provided on the bracket 1 and corresponds to the position of the discharge hopper 13. The lower port of the dust cover 14 is connected to the discharge hopper 13. The dust cover 14 is located on both sides of the cylinder body 3. When the cylinder body 3 rotates, the opening of the cylinder body 3 passes through the dust cover 14. Most of the rotation trajectory of the opening of the cylinder body 3 is located in the dust cover 14. There is a gap between the dust cover 14 and the cylinder body 3. A rubber plate can be set at the gap to seal the gap without affecting the rotation of the cylinder body 3 while blocking most of the dust. The dust cover 14 is provided with an arc baffle in the front and back directions below the cylinder body 3. The upper end of the arc baffle is close to the outer wall of the cylinder body 3, and a rubber plate is provided to reduce dust leakage. When unloading is required, the cover 7 is removed and the cylinder body 3 is rotated. The dust and working balls in the cylinder 3 are poured out from the opening and enter the discharge hopper 13 under the guidance of the dust cover 14.

[0029] like Figure 1 、 Figure 2 and Figure 3 As shown, a connecting rod 61 is provided in the hollow tube 31 at one end of the cylinder 3 away from the feeding assembly 4, and the outer end of the connecting rod 61 is connected to the support plate 12 of the bracket 1. A rubber plate can be provided at the outer end of the connecting rod 61 to seal the gap between the hollow tube 31, and the inner end of the connecting rod 61 is located in the cylinder 3. A scraper 62 connected to the connecting rod 61 is provided in the cylinder 3. The scraper 62 extends in the cylinder 3 along the length direction of the cylinder 3. One end of the scraper 62 is connected to the connecting rod 61 through a side rod, and the other end of the scraper 62 is connected to the feed shell 43 through a side rod. The upper side of the scraper 62 is close to the inner wall of the lining plate 32, and the driving assembly 5 drives the cylinder 3 to rotate clockwise or counterclockwise. The scraper 62 is arranged on the downstream side when the opening rotates. In this embodiment, Figure 3As shown, the cylinder 3 rotates clockwise, and the scraper 62 is arranged on the right side of the opening. When the cylinder 3 drives the working ball to rotate, the working ball rises to a certain height on the left side of the opening and then falls, so as not to fall on the scraper 62. When the material adhering to the inner wall of the lining plate 32 passes through the scraper 62, it will be scraped off by the scraper 62 and fall to the bottom to continue to be processed by the working ball, thereby reducing the ball milling time of the pigment powder, improving production efficiency and reducing energy consumption.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A ball mill for pigment production, characterized in that: The invention comprises a bracket (1), two bearing seats (2) symmetrically arranged on the bracket (1), a cylinder (3) rotatably connected between the two bearing seats (2) and used to accommodate working balls, a feeding assembly (4) for feeding material into the cylinder (3), and a driving assembly (5) for driving the cylinder (3) to rotate, wherein the cylinder (3) is rotatably connected to the bearing seat (2) through a hollow tube (31), a connecting rod (61) is provided through the hollow tube (31) at one end of the cylinder (3), one end of the connecting rod (61) is connected to the bracket (1), a scraper (62) connected to the connecting rod (61) and used to scrape off materials adhering to the inner wall of the cylinder (3) is provided in the cylinder (3), and the scraper (62) extends in the cylinder (3) along the length direction of the cylinder (3).

2. The ball mill for pigment production according to claim 1, characterized in that An opening is provided on the top wall of the cylinder (3), and a sealing cover (7) for sealing the opening is detachably connected to the cylinder (3).

3. The ball mill for pigment production according to claim 2, characterized in that The driving assembly (5) drives the cylinder (3) to rotate clockwise or counterclockwise, and the scraper (62) is arranged on the downstream side of the opening when the opening rotates.

4. The ball mill for pigment production according to claim 1, characterized in that The feeding assembly (4) comprises a feeding motor (41) and a first reducer (42) connected to the feeding motor (41), a feeding shell (43) passing through the hollow tube (31), and a spiral blade (44) arranged in the feeding shell (43) and connected to the first reducer (42).

5. The ball mill for pigment production according to claim 4, characterized in that: One end of the scraper (62) is connected to the connecting rod (61), and the other end of the scraper (62) is connected to the feed shell (43).

6. The ball mill for pigment production according to claim 1, characterized in that The driving assembly (5) comprises a driving motor (51), a second reducer (52) connected to the driving motor (51), and a driving gear (53) connected to the second reducer (52); the outer wall of the cylinder (3) is connected to a gear ring (54) corresponding to the driving gear (53).

7. The ball mill for pigment production according to claim 1, characterized in that: The cylinder (3) comprises a plurality of inner lining plates (32) arranged on the inner wall thereof, and a stainless steel layer (321) is provided on the inner lining plates (32).

8. The ball mill for pigment production according to claim 2, characterized in that: A discharge hopper (13) is provided on the bracket (1) at a position corresponding to the opening of the cylinder (3).

9. The ball mill for pigment production according to claim 8, characterized in that: A dust cover (14) is provided on the bracket (1) at a position corresponding to the discharge hopper (13).

Images