Screening machine for milk powder processing

Abstract

The utility model discloses a milk powder processing screening machine which comprises a base plate, four bottom plates are fixedly installed on the upper portion of the base plate, springs are fixedly connected to the upper portions of the four bottom plates, connecting blocks are fixedly connected to the upper ends of the four springs, and a shell is fixedly installed at the ends of the four connecting blocks. Two vibration motors are fixedly installed outside the shell, a sieve tray is fixedly installed on the inner side of the shell, a tray is fixedly installed on the portion, below the sieve tray, of the inner side of the shell, and a discharging structure is arranged on the upper portion of the sieve tray. According to the screening machine for milk powder processing, through the combined action of the rocker, the rotating rod and the feeding bin, when the rocker is rotated, the feeding bin can rotate on the screening disc along with rotation of the rotating rod, milk powder in the feeding bin can be flatly laid on the screening disc due to rotation of the feeding bin when falling onto the screening disc from a bin opening, and the milk powder is prevented from being accumulated on the screening disc; and when the screening tray vibrates to screen milk powder, the screening efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of milk powder processing, especially a screening machine for milk powder processing. BACKGROUND

[0002] Screening is a processing technology that divides raw materials with uneven particle sizes into more uniform particle sizes, and is one of the commonly used devices in milk powder processing, facilitating particle classification of milk powder processing raw materials.

[0003] A screening device for milk powder is disclosed in Chinese Patent No. CN214022000U, which belongs to the field of screening technology and includes a box body. A feed hopper is installed on the outside of the box body, and a screening assembly is arranged inside the box body. The utility model is characterized in that a conical cylinder connected to a rotating motor is arranged inside the box body. The side wall of the conical cylinder is provided with a screen mesh, and the lower end of the conical cylinder is provided with a discharge pipe threadedly connected to a cover. This structure uses the rotating motor to drive the conical cylinder to rotate, thereby improving the screening effect of the screen mesh on milk powder. Then, the screen frame is removed, the sliding block II connected to the two sides of the material collecting groove II is inserted into the sliding groove I, the cover is loosened and removed, and the collection of large-particle milk powder can be realized. In this utility model, a blast pipe is connected between the output end of the fan body and the feed pipe. After the screening operation is completed, the valve I is closed, the valve II is opened, and the fan body is operated to blow out and collect the residual milk powder on the surface of the screen mesh.

[0004] However, the existing milk powder screening machine does not have a flat laying function, which causes the milk powder to accumulate on the screen mesh, reduces the screening rate, and increases the time cost. Moreover, the feeding rate of the feeding bin cannot be changed, which causes the screen mesh to be blocked due to excessive milk powder. SUMMARY

[0005] The main purpose of the utility model is to provide a screening machine for milk powder processing, which can effectively solve the technical problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A screening machine for milk powder processing includes a chassis, four bottom plates fixedly installed on the upper part of the chassis, springs fixedly connected to the upper part of each of the four bottom plates, connecting blocks fixedly connected to the upper end of each of the four springs, an outer shell fixedly installed on the end of each of the four connecting blocks, two vibration motors fixedly installed on the outside of the outer shell, a screen disc fixedly installed on the inner side of the outer shell, a tray fixedly installed below the screen disc on the inner side of the outer shell, and a discharge structure provided on the upper part of the screen disc.

[0008] The discharge structure comprises a ball bearing, the ball bearing is fixedly installed at the upper portion of the sieve disc, an inner ring of the ball bearing is fixedly connected with a rotating rod, the outer portion of the rotating rod is fixedly installed with a sleeve, the upper portion of the rotating rod is fixedly installed with a rocker, and the outer portion of the sleeve is fixedly installed with a feeding bin.

[0009] As a further scheme of the utility model, the outer portion of the shell is equipped with a discharge port, a chute is formed on the inner side of the shell above the sieve disc, the end of the feeding bin is fixedly installed with a sliding block, and the sliding block is adaptively matched with the chute.

[0010] As a further scheme of the utility model, the inner portion of the feeding bin is equipped with an auxiliary structure, the auxiliary structure comprises two horizontal rods, the two horizontal rods are fixedly installed in the inner portion of the feeding bin, and the side of the feeding bin is movably installed with a baffle.

[0011] As a further scheme of the utility model, the width of the baffle is greater than the width of the feeding bin, and the baffle is fixedly installed with a limiting strip on the side in the inner portion of the feeding bin.

[0012] As a further scheme of the utility model, two fixing blocks are arranged above and below the ends of the baffle on the side of the feeding bin, the two fixing blocks below the baffle are provided with through holes, the through holes are provided with internal threads, the through hole internal threads are connected with bolts, and the top portions of the two bolts are provided with film pieces.

[0013] As a further scheme of the utility model, the tray is inclined at a certain angle in the shell, and the position of the tray below the discharge port is lower.

[0014] The utility model discloses the following beneficial effects:

[0015] The utility model discloses the common action of rocker, rotating rod and feeding bin, when the rocker rotates, the feeding bin rotates on the sieve disc along with the rotation of the rotating rod, when the milk powder in the feeding bin falls from the bin mouth to the sieve disc, the milk powder is laid flat on the sieve disc due to the rotation of the feeding bin, preventing the milk powder from accumulating on the sieve disc, and when the sieve disc vibrates to screen the milk powder, the screening efficiency is higher.

[0016] The common action of the baffle in the feeding bin, the fixing block and the bolt outside the feeding bin adjusts the size of the bin mouth of the feeding bin, changes the falling speed of the milk powder in the feeding bin, and prevents the milk powder falling on the sieve disc from blocking the mesh of the sieve disc. DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model discloses a kind of milk powder processing sieve separator;

[0018] Figure 2 It is the shell internal view of the utility model discloses a kind of milk powder processing sieve separator;

[0019] Figure 3 This is an enlarged view of the feed hopper of a screening machine for milk powder processing according to this utility model;

[0020] Figure 4 This is a cross-sectional view of the feed hopper of a screening machine for milk powder processing according to this utility model;

[0021] Figure 5 This utility model relates to a screening machine for milk powder processing. Figure 4 Enlarged view of point A in the middle;

[0022] Figure 6 This utility model relates to a screening machine for milk powder processing. Figure 3 Enlarged view of section B in the middle.

[0023] In the diagram: 1. Chassis; 2. Base plate; 3. Outer shell; 4. Vibration motor; 5. Discharge port; 6. Screen plate; 7. Tray; 8. Discharge structure; 9. Spring; 10. Connecting block; 11. Slide groove; 12. Ball bearing; 13. Rotating rod; 14. Sleeve; 15. Rocker arm; 16. Feed bin; 17. Sliding block; 18. Auxiliary structure; 19. Baffle; 20. Crossbar; 21. Limiting strip; 22. Fixing block; 23. Bolt. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] like Figures 1-6 As shown, a screening machine for milk powder processing includes a chassis 1, four base plates 2 are fixedly installed on the upper part of the chassis 1, springs 9 are fixedly connected to the upper part of each of the four base plates 2, connecting blocks 10 are fixedly connected to the upper ends of each of the four springs 9, and outer shells 3 are fixedly installed at the ends of the four connecting blocks 10. Two vibrating motors 4 are fixedly installed on the outside of the outer shells 3, a screen plate 6 is fixedly installed on the inside of the outer shells 3, and a tray 7 is fixedly installed on the inside of the outer shells 3 below the screen plate 6. A discharge structure 8 is provided on the upper part of the screen plate 6.

[0026] The discharge structure 8 includes a ball bearing 12, which is fixedly installed on the upper part of the screen plate 6. A rotating rod 13 is fixedly connected to the inner ring of the ball bearing 12. A sleeve 14 is fixedly installed on the outside of the rotating rod 13. A rocker arm 15 is fixedly installed on the upper part of the rotating rod 13. A feed hopper 16 is fixedly installed on the outside of the sleeve 14.

[0027] In this embodiment, the outer shell 3 is provided with a discharge port 5, and the inner side of the outer shell 3 is provided with a sliding groove 11 above the screen plate 6. The end of the feed bin 16 is fixedly installed with a slider 17, and the slider 17 is adapted to the sliding groove 11.

[0028] The rocker 15 is fixedly connected with the rotating rod 13, the rotating rod 13 is rotatably installed in the bearing of the ball bearing 12, the outside of the sleeve 14 is fixedly installed into the feeding bin 16, all rotating the rocker 15 can drive the feeding bin 16 to rotate above the sieve tray 6, and the effect that the materials in the feeding bin 16 are laid on the sieve tray 6 is achieved.

[0029] In the embodiment, the inside of the feeding bin 16 is provided with an auxiliary structure 18, the auxiliary structure 18 comprises two cross rods 20, the two cross rods 20 are fixedly installed in the inside of the feeding bin 16, and the feeding bin 16 movably installs the baffle 19 on one side.

[0030] In the embodiment, the width of the baffle 19 is greater than the width of the feeding bin 16, and the baffle 19 is fixedly installed with the limiting strip 21 on one side in the inside of the feeding bin 16.

[0031] The two cross rods 20 block the baffle 19, so that the baffle 19 cannot be inclined due to its own gravity, the width of the baffle 19 is greater than the width of the feeding bin 16, so that the baffle 19 can completely close the bin mouth of the feeding bin 16, and the limiting strip 21 on one side of the baffle 19 can limit the baffle 19 in the feeding bin 16.

[0032] In the embodiment, two fixed blocks 22 are arranged above and below the baffle 19 on one side of the feeding bin 16, the two fixed blocks 22 below the baffle 19 are provided with through holes, the through holes are provided with internal threads, the through holes are connected with bolts 23 in a threaded manner, and the top of the two bolts 23 is provided with a film.

[0033] When the baffle 19 is moved in the feeding bin 16 to adjust the size of the bin mouth, the bolt 23 is screwed upwards so that the film on the upper part of the bolt 23 abuts against the baffle 19, so that the baffle 19 is fixed and cannot move during feeding.

[0034] In the embodiment, the tray 7 is inclined at a certain angle in the shell 3, and the position of the tray 7 is relatively low.

[0035] The tray 7 is inclined at an angle, and the position of the tray 7 is relatively low, the milk powder falling on the sieve tray 6 falls on the tray 7 and slides out of the discharge port 5 through vibration.

[0036] It should be noted that the utility model is a kind of screening machine for milk powder processing, when using, first, baffle 19 is extracted to a certain extent, and baffle 19 is fixed by tightening bolt 23, two vibration motors 4 are powered to start vibration motor 4, then milk powder is poured into feeding bin 16;

[0037] The feeding bin 16 is rotated above the sieve disc 6 by shaking the rocker 15, and the milk powder falls from the bin opening of the feeding bin 16 on the sieve disc 6 as the feeding bin 16 is rotated above the sieve disc 6, and the milk powder and impurities such as gravel with smaller mesh holes on the sieve disc 6 fall from the mesh holes to the tray 7 located below the sieve disc 6 as the sieve disc 6 is vibrated by the vibration motor 4, and the material on the tray 7 slides out of the discharge port 5 as the vibration motor 4 vibrates, because the tray 7 is inclined at a certain angle and the tray 7 is located at a lower position of the discharge port 5.

[0038] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A sifting machine for processing milk powder, characterized by: Including chassis (1), the upper portion of the chassis (1) is fixedly installed with four bottom plates (2), the upper portion of four bottom plates (2) is fixedly connected with spring (9), the upper end of four spring (9) is fixedly connected with connecting block (10), the end of four connecting block (10) is fixedly installed with shell (3), the outside of shell (3) is fixedly installed with two vibration motors (4), the inner side of shell (3) is fixedly installed with sieve tray (6), the inner side of shell (3) is fixedly installed with tray (7) below sieve tray (6), the upper portion of sieve tray (6) is equipped with discharge structure (8). The discharge structure (8) includes a ball bearing (12), the ball bearing (12) is fixedly installed on the upper portion of the sieve tray (6), the inner ring of the ball bearing (12) is fixedly connected with a rotating rod (13), the outer portion of the rotating rod (13) is fixedly installed with a sleeve (14), the upper portion of the rotating rod (13) is fixedly installed with a rocker (15), the outer portion of the sleeve (14) is fixedly installed with a feed bin (16).

2. The screening machine for milk powder processing according to claim 1, characterized in that: The outer portion of the shell (3) is provided with a discharge port (5), the inner side of the shell (3) is provided with a chute (11) above the sieve tray (6), the end of the feed bin (16) is fixedly installed with a sliding block (17), the sliding block (17) is adaptively matched with the chute (11).

3. The screening machine for milk powder processing according to claim 1, characterized in that: The inside of the feed bin (16) is provided with an auxiliary structure (18), the auxiliary structure (18) includes two cross bars (20), the two cross bars (20) are fixedly installed inside the feed bin (16), the feed bin (16) is movably installed with a baffle (19) on one side.

4. The screening machine for milk powder processing according to claim 3, characterized in that: The width of the baffle (19) is greater than the width of the feed bin (16), the baffle (19) is fixedly installed with a limiting strip (21) on one side inside the feed bin (16).

5. The screening machine for milk powder processing according to claim 3, characterized in that: Two fixed blocks (22) are provided above and below both ends of the baffle (19) on one side of the feed bin (16), the two fixed blocks (22) below the baffle (19) are provided with through holes, the through holes are provided with internal threads, and the through hole internal threads are connected with bolts (23), the top of the two bolts (23) is provided with a film.

6. The screening machine for milk powder processing according to claim 1, characterized in that: The tray (7) is inclined at a certain angle in the shell (3), and the position of the discharge port (5) is lower.

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