A flour sifting machine for biscuit and cake production
By introducing a rotatable rotating plate and servo motor drive into the flour sieving machine, the automatic alternation of screens is achieved, solving the problem of screen clogging and ensuring the continuity and efficiency of flour sieving.
Patent Information
- Application Number
- CN202522044001.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-23
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-23
AI Technical Summary
The sieves of existing flour sieving machines used in biscuit and pastry production are prone to clogging, resulting in low sieving efficiency and cumbersome cleaning, which affects continuous production.
Design a sieving machine with a rotating plate, which uses negative pressure feeding and servo motor drive to achieve automatic alternating use of the screens, avoiding manual cleaning and ensuring continuous production.
It improves the cleaning efficiency of flour sieving, enables continuous production without stopping the machine for cleaning, and enhances production efficiency.
Smart Images
Figure CN224673154U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of flour sieving, specifically a flour sieving machine for biscuit and pastry production. Background Technology
[0002] Flour sieving machines for biscuit and pastry production are essential equipment in food processing, primarily used for sieving flour and removing impurities to ensure the fineness and uniformity of the raw materials. Their features include a closed structure design that effectively prevents dust spillage, and continuous production and automatic grading and screening capabilities, thus improving production efficiency.
[0003] When a screening machine is performing screening operations, large particles of impurities will remain on the upper part of the screen. Over time, these particles will accumulate and clog the mesh, resulting in low screening efficiency. To address this issue, existing screening machines have designed the screen to be detachable. The screen needs to be removed for cleaning and then reinstalled. This process is cumbersome, time-consuming, inefficient, and affects the continuity of screening. Summary of the Invention
[0004] This invention provides a flour sieving machine for biscuit and pastry production to solve the above-mentioned problems.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a flour sieving machine for biscuit and pastry production, comprising a sieving machine body, a feeding mechanism, a sieving mechanism, and a waste discharge mechanism, wherein: The feeding mechanism includes a feeding cylinder installed on the top of the sieve body and fed by negative pressure. A screening cylinder is installed inside the sieve body. The screening cylinder is connected to the feeding cylinder through a feeding pipe. An electric control valve is installed at the upper end of the feeding pipe. The sieving mechanism includes a rotating plate rotatably connected inside the sieving cylinder and rotatable by a motor. The rotating plate is symmetrically equipped with through-screen frames, and baffles are symmetrically installed in the middle of the rotating plate. The waste discharge mechanism is installed at the bottom of the screening cylinder and is used to discharge waste material from the screen.
[0006] Preferably, the feeding mechanism further includes a negative pressure fan, a feeding pipe is installed at the top of the feeding cylinder, a negative pressure connector is installed at the side end of the feeding cylinder, and the negative pressure fan and the negative pressure connector are connected by a negative pressure pipe.
[0007] Preferably, rotating disks are symmetrically installed on both sides of the rotating plate, a rotating shaft is installed on the outer side of the rotating disk, a rotating platform is symmetrically installed inside the screening cylinder, and a rotating hole is provided on the inner side of the rotating platform for rotatable connection with the rotating shaft.
[0008] Preferably, a servo motor is installed on the outside of the screening machine body, and the output shaft of the servo motor passes through the screening machine body and the rotating table and is fixedly connected to the rotating shaft on one side of the rotating plate. A vibrator is installed on the upper end of the rotating plate.
[0009] Preferably, the rotating plate and the baffle are arranged perpendicularly and are cross-shaped as a whole, a screen is installed inside the screen frame, and both the baffle and the rotating plate are rotatably connected to the screening cylinder.
[0010] Preferably, the waste discharge mechanism includes a waste discharge cylinder installed at the bottom right side of the screening cylinder, a waste pipe installed at the bottom of the waste discharge cylinder, and a waste discharge trough located at the side end of the screening machine body installed at the end of the waste pipe.
[0011] Preferably, a discharge cylinder is installed at the bottom left side of the screening cylinder, and a material inlet is opened on the outside of the screening machine body. A collection cylinder is placed in the material inlet, and the collection cylinder is perpendicular to the discharge cylinder.
[0012] Compared with the prior art, this utility model provides a flour sieving machine for biscuit and pastry production, which has the following beneficial effects: This invention uses a screening cylinder and a baffle on a rotating plate to divide the inside of the screening cylinder into two non-communicating spaces. With the help of the rotatable rotating plate, the two screens can be used alternately, and the other screen is automatically cleaned when one screen is in use, eliminating the need for manual cleaning by stopping the machine. This allows the screening machine to operate continuously and improves cleaning efficiency. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of this utility model; Figure 3 This is a schematic diagram of the installation of the screening mechanism of this utility model; Figure 4 This is a diagram showing the internal structure of the screening cylinder of this utility model; Figure 5 This is a schematic diagram of the sieving mechanism of this utility model.
[0014] In the diagram: 1. Screening machine body; 11. Feeding port; 12. Feed pipe; 13. Screening cylinder; 14. Discharge cylinder; 15. Collection cylinder; 2. Feeding mechanism; 21. Negative pressure fan; 22. Negative pressure pipe; 23. Feeding cylinder; 231. Feeding pipe; 232. Negative pressure connector; 3. Screening mechanism; 31. Baffle; 32. Screen frame; 321. Screen mesh; 33. Rotating plate; 34. Rotating disk; 341. Rotating shaft; 35. Servo motor; 36. Rotating table; 37. Rotating hole; 38. Vibrator; 4. Waste discharge mechanism; 41. Waste discharge cylinder; 42. Waste pipe; 43. Waste discharge trough. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Please see the appendix Figures 1-3 This utility model discloses a flour sieving machine for biscuit and pastry production, including a sieving machine body 1, a feeding mechanism 2, a sieving mechanism 3, and a waste discharge mechanism 4, wherein: The feeding mechanism 2 includes a feeding cylinder 23 installed on the top of the sieve body 1 and fed by negative pressure. A screening cylinder 13 is installed inside the sieve body 1. The screening cylinder 13 is connected to the feeding cylinder 23 through a feeding pipe 12. An electric control valve is installed at the upper end of the feeding pipe 12. The sieving mechanism 3 includes a rotating plate 33 that is rotatably connected inside the sieving cylinder 13 and is driven by a motor. The rotating plate 33 is symmetrically equipped with a through-screen frame 32, and a baffle 31 is symmetrically installed in the middle of the rotating plate 33. The waste discharge mechanism 4 is installed at the bottom of the screening cylinder 13 and is used to discharge the waste material on the screen 321.
[0017] Please refer to the appendix. Figure 1-2 The feeding mechanism 2 also includes a negative pressure fan 21, a feeding pipe 231 is installed on the top of the feeding cylinder 23, a negative pressure connector 232 is installed on the side of the feeding cylinder 23, and the negative pressure fan 21 and the negative pressure connector 232 are connected by a negative pressure pipe 22.
[0018] Specifically, the flour is fed through the feed pipe 231 connected to an external container for storing flour. At this time, the negative pressure fan 21 is started. The negative pressure fan 21 drives the airflow in the feeding cylinder 23 through the negative pressure pipe 22, so that the flour is drawn into the feeding cylinder 23 from the feed pipe 231 under the influence of the airflow. Then the flour enters the sieving machine body 1 through the feeding cylinder 23.
[0019] Please refer to the appendix. Figure 3 Appendix Figure 4 , attached Figure 5 The rotating plate 33 is symmetrically equipped with rotating disks 34 on both sides, and a rotating shaft 341 is installed on the outer side of the rotating disk 34. The screening cylinder 13 is symmetrically equipped with rotating platforms 36, and the inner side of the rotating platform 36 is provided with rotating holes 37 that are rotatably connected to the rotating shaft 341.
[0020] Specifically, the rotating plate 33 can be rotated via the rotating shaft 341 and the rotating table 36.
[0021] Furthermore, a servo motor 35 is installed on the outside of the screening machine body 1. The output shaft of the servo motor 35 passes through the screening machine body 1 and the rotating table 36 and is fixedly connected to the rotating shaft 341 on one side of the rotating disk 34. A vibrator 38 is installed on the upper end of the rotating plate 33.
[0022] Specifically, the servo motor 35 can control the rotation of the rotating shaft 341, which in turn drives the rotating plate 33 to rotate. The servo motor 35 is controlled by a PL controller to ensure that the rotation angle remains accurate. The vibrator 38 can provide vibration force when sieving to prevent flour from accumulating and clogging on the screen 321.
[0023] Furthermore, the rotating plate 33 and the baffle 31 are arranged perpendicularly and are in a cross shape. A screen 321 is installed inside the screen frame 32. Both the baffle 31 and the rotating plate 33 are rotatably connected to the screening cylinder 13.
[0024] Specifically, the baffles 31 are distributed downwards, which can isolate the left and right sides of the screening cylinder 13 when the left screen 321 is used for screening and the right screen 321 is used for waste discharge.
[0025] Please refer to the appendix. Figure 1 Appendix Figure 3 The waste discharge mechanism 4 includes a waste discharge cylinder 41 installed at the bottom right side of the screening cylinder 13. A waste pipe 42 is installed at the bottom of the waste discharge cylinder 41, and a waste discharge trough 43 located at the side end of the screening machine body 1 is installed at the end of the waste pipe 42.
[0026] Specifically, after being vibrated and falling, the impurities at the bottom of the screen 321 on the right are discharged from the screening cylinder 13 through the discharge cylinder. Then, the impurities fall along the waste pipe 42 to the waste discharge trough 43 and are finally discharged through the waste discharge trough 43.
[0027] Furthermore, a discharge cylinder 14 is installed at the bottom left side of the screening cylinder 13, and a material inlet 11 is opened on the outside of the screening machine body 1. A collection cylinder 15 is placed inside the material inlet 11, and the collection cylinder 15 is perpendicular to the discharge cylinder 14.
[0028] Specifically, the sifted flour is discharged downward from the feeding cylinder 14 and enters the collecting cylinder 15. After the collecting cylinder 15 has collected a large amount of sifted flour, the collecting cylinder 15 can be taken out through the feeding port 11 to transfer the flour.
[0029] The working principle and usage process of this utility model are as follows: During sieving, material is fed through the feeding pipe 231. At this time, the negative pressure fan 21 is started, and the negative pressure fan 21 drives the airflow in the feeding cylinder 23 through the negative pressure pipe 22. The flour is drawn into the feeding cylinder 23 from the feeding pipe 231 by the airflow. Then, the flour enters the sieving machine body 1 through the feeding pipe 12 and enters the left side of the sieving cylinder 13. At this time, the flour is sieved and filtered by the screen 321 on the left side of the rotating plate 33. The vibrator 38 is started to vibrate the rotating plate 33 to keep the flour sieving normally. The baffle 31 can prevent the flour from entering the right side of the sieving cylinder 13. The sieved flour is discharged downward from the discharge cylinder 14 and enters the collection cylinder 15. After a period of time, large particles of impurities will accumulate on the upper end of the screen 321, clogging the mesh of the screen 321. At this time, the feeding is stopped and the servo motor 35 is started. The servo motor 35 drives the rotating shaft 341 to rotate 180°. The rotating shaft 341 drives the rotating plate 33 to rotate 180°. The rotating plate 33 drives the baffle 31 to rotate 180°. At this time, the screen 321, which was originally located on the left side, rotates to the right side of the screening cylinder 13 after the rotating plate 33 rotates, with the side with accumulated impurities facing down. At this time, the screening operation can continue. The screen 321, which was originally located on the right side, performs the filtering operation. Under the action of the vibrator 38, the large particles of impurities on the screen 321 that rotates to the right side are shaken off and move down along the waste discharge cylinder 41 and waste pipe 42 and are finally discharged from the screening machine body 1 through the waste discharge trough 43.
Claims
1. A flour sieving machine for biscuit and pastry production, comprising a sieving machine body (1), characterized in that, It also includes a feeding mechanism (2), a screening mechanism (3), and a waste discharge mechanism (4), wherein: The feeding mechanism (2) includes a feeding cylinder (23) installed on the top of the sieve body (1) and fed by negative pressure. The sieve body (1) is equipped with a screening cylinder (13), and the screening cylinder (13) is connected to the feeding cylinder (23) through a feeding pipe (12). The sieving mechanism (3) includes a rotating plate (33) that is rotatably connected inside the sieving cylinder (13) and can be rotated by a motor. The rotating plate (33) is symmetrically equipped with a through sieve frame (32), and a baffle (31) is symmetrically installed in the middle of the rotating plate (33). The waste discharge mechanism (4) is installed at the bottom of the screening cylinder (13) to discharge waste material on the screen (321).
2. The flour sieving machine for biscuit and pastry production according to claim 1, characterized in that: The feeding mechanism (2) also includes a negative pressure fan (21), a feeding pipe (231) is installed on the top of the feeding cylinder (23), a negative pressure connector (232) is installed on the side of the feeding cylinder (23), and the negative pressure fan (21) and the negative pressure connector (232) are connected by a negative pressure pipe (22).
3. A flour sieving machine for biscuit and pastry production according to claim 2, characterized in that: Rotating plates (34) are symmetrically installed on both sides of the rotating plate (33). A rotating shaft (341) is installed on the outer side of the rotating plate (34). A rotating table (36) is symmetrically installed inside the screening cylinder (13). A rotating hole (37) is provided on the inner side of the rotating table (36) and is rotatably connected to the rotating shaft (341).
4. A flour sieving machine for biscuit and pastry production according to claim 3, characterized in that: A servo motor (35) is installed on the outside of the sieve body (1). The output shaft of the servo motor (35) passes through the sieve body (1) and the rotating table (36) and is fixedly connected to the rotating shaft (341) on the rotating disk (34) on one side. A vibrator (38) is installed on the upper end of the rotating plate (33).
5. A flour sieving machine for biscuit and pastry production according to claim 1, characterized in that: The rotating plate (33) and the baffle (31) are arranged perpendicularly and are in a cross shape. A screen (321) is installed inside the screen frame (32). Both the baffle (31) and the rotating plate (33) are rotatably connected to the screening cylinder (13).
6. A flour sieving machine for biscuit and pastry production according to claim 4, characterized in that: The waste discharge mechanism (4) includes a waste discharge cylinder (41) installed at the bottom right side of the screening cylinder (13), a waste pipe (42) installed at the bottom of the waste discharge cylinder (41), and a waste discharge trough (43) located at the side end of the screening machine body (1) installed at the end of the waste pipe (42).
7. A flour sieving machine for biscuit and pastry production according to claim 6, characterized in that: A discharge cylinder (14) is installed at the bottom left side of the screening cylinder (13). A material inlet (11) is opened on the outside of the screening machine body (1). A collection cylinder (15) is placed inside the material inlet (11). The collection cylinder (15) is perpendicular to the discharge cylinder (14).