Bamboo salt grinding and screening device
By designing the extrusion and cleaning components of the bamboo salt grinding and screening device, the problem of screen clogging was solved, and efficient and stable operation of bamboo salt screening was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU TAISHANG BAMBOO RES IND CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-05-15
AI Technical Summary
Existing bamboo salt screening devices are prone to clogging of the screening screen due to the accumulation of impurities during the screening process, which reduces screening efficiency.
A bamboo salt grinding and sieving device was designed, comprising a squeezing component, a resetting component, a moving component, a cleaning component, and an air injection component. The squeezing component enables the sieving screen to reciprocate left and right, and the rotating brushes and high-pressure airflow of the cleaning component remove impurities from the screen and prevent clogging.
It effectively avoids clogging of the screening screen, improves screening efficiency, and ensures the continuous and stable operation of bamboo salt screening.
Smart Images

Figure CN224237484U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screening device technology, specifically a bamboo salt grinding and screening device. Background Technology
[0002] The bamboo salt screening device is mainly used for the sorting process in bamboo salt production. This type of device usually includes a sorting plate and a rotating mechanism. The sorting plate can be flipped up and down and installed on the rotating mechanism. The rotating mechanism drives the sorting plate to rotate to the set process end, and uses a spring to push the push plate to move, thereby sending the bamboo salt block to the corresponding process.
[0003] During the production of bamboo salt, screening can ensure the quality of bamboo salt. Bamboo salt blocks may vary due to various reasons (such as uneven calcination, impurities, etc.). Screening can remove unqualified products and ensure that only bamboo salt blocks that meet the standards enter the market.
[0004] In the current technology, during the screening of bamboo salt, impurities mixed in the bamboo salt cause volume deviations, which in turn cause the bamboo salt to accumulate on the surface for a long time during the screening process, clogging the filter screen and reducing the screening efficiency of bamboo salt. To address this, we propose a bamboo salt grinding and screening device. Utility Model Content
[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a bamboo salt grinding and screening device that can effectively avoid the screening screen from being blocked, and can effectively solve the problems in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a bamboo salt grinding and sieving device, comprising a storage box and an extrusion assembly;
[0007] Storage box: A fixed frame is fixed on the upper side, and a strip-shaped opening is opened in the middle of the fixed frame. A screening screen is slidably connected inside the strip-shaped opening. Two corresponding limiting strips are fixed on the front and rear sides of the screening screen. Two corresponding limiting holes are opened on the right side of the fixed frame. The limiting strips are slidably connected inside the limiting holes. A reset component is installed on the left side of the screening screen. A moving component is installed inside the fixed frame. A cleaning component is installed inside the moving component. An air injection component is installed on the rear side of the fixed frame. The air injection component is connected to the cleaning component.
[0008] The extrusion assembly includes a fixing bar, a first motor, a cam, and an extrusion bar. The extrusion bar is fixed to the right side of the screening screen, and a fixing bar is fixed to the upper side of the fixing frame. The first motor is mounted on the upper side of the fixing bar, and a cam is fixed on the output shaft of the first motor. The cam is in contact with the extrusion bar. The input end of the first motor is electrically connected to the output end of an external control switch group. By setting the extrusion assembly in conjunction with the reset assembly, the screening screen is driven to move back and forth.
[0009] Furthermore, the reset assembly includes a connecting plate and a spring. The connecting plate is fixed to the left side of the screening screen, and the springs are evenly distributed on the right side of the connecting plate. The right end of the spring is fixed to the left side of the fixing frame. The screen is reset by setting the reset assembly.
[0010] Furthermore, the moving assembly includes a second motor, a U-shaped moving frame, a threaded rod, and a limiting rod. The second motor is installed at the rear end of the left side of the fixed frame. The screening screen is located inside the U-shaped moving frame. A threaded hole is opened on the rear side of the U-shaped moving frame, and a threaded rod is threadedly connected inside the threaded hole. The threaded rod is rotatably connected inside the fixed frame. A guide hole is opened on the front side of the U-shaped moving frame, and a limiting rod is slidably connected inside the guide hole. The limiting rod is fixed inside the fixed frame. The output shaft of the second motor is fixed to the left end of the threaded rod. The input end of the second motor is electrically connected to the output end of an external control switch group. The moving assembly drives the cleaning assembly to move.
[0011] Furthermore, the cleaning assembly includes a rotating drum, brush bristles, air vents, a third motor, a fixing plate, a connecting pipe, and a U-shaped tube. Two corresponding rotating holes are opened on the rear side of the U-shaped moving frame, and the rotating drum is rotatably connected inside the rotating holes. Evenly distributed brush bristles are fixed on the circumference of the rotating drum, and evenly distributed air vents are also opened on the circumference of the rotating drum. Two corresponding third motors are installed on the front side of the U-shaped moving frame, and the output shafts of the third motors are fixed to the front end of the rotating drum. Two corresponding fixing plates are fixed on the rear side of the U-shaped moving frame, and an opening is opened in the middle of each fixing plate. A connecting pipe is fixed inside the opening, and the front end of the connecting pipe is located at the rear end inside the rotating drum. The two connecting pipes are connected through the U-shaped tube. The input end of the third motor is electrically connected to the output end of an external control switch group. By setting up the cleaning assembly, the screening screen is cleaned to prevent clogging.
[0012] Furthermore, the air injection assembly includes an air pump and an air outlet hose. The air pump is installed on the rear side of the fixed frame, and the air outlet hose is fixed inside the air outlet of the air pump. The right end of the air outlet hose is fixed on the circumferential surface of the U-shaped tube. The U-shaped tube is connected to the air outlet hose. The input end of the air pump is electrically connected to the output end of an external control switch group. Compressed air is injected into the interior of the U-shaped tube by setting the air injection assembly.
[0013] Furthermore, the storage box has a material retrieval port on the front side, and a baffle is hinged inside the material retrieval port. A lock is installed at the lower front end of the baffle, and the lock is connected to the storage box to fix the baffle.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This bamboo salt grinding and sieving device has the following advantages:
[0015] 1. Through the cam drive of the extrusion assembly and the elastic cooperation of the return spring, the screening screen achieves regular left-right reciprocating motion. This vibration mode can promote the uniform distribution and rapid stratification of bamboo salt particles on the screen surface. Fine particles are efficiently separated through the mesh, while coarse particles move along the screen surface to the discharge end, significantly improving screening efficiency.
[0016] 2. The rotating brushes of the cleaning component dynamically sweep away the embedded materials on the screen surface. Combined with the high-pressure airflow spraying backward from the mesh, a dual cleaning effect of physical scraping and airflow backwash is formed, which effectively solves the problem of mesh blockage caused by the accumulation of impurities during the screening process and ensures the stability of continuous operation. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the front structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the mobile component of this utility model;
[0019] Figure 3 This is a schematic diagram of the cleaning component structure of this utility model.
[0020] In the diagram: 1 Storage box, 2 Fixed frame, 3 Screening screen, 4 Limiting strip, 5 Extrusion assembly, 51 Fixed strip, 52 First motor, 53 Cam, 54 Extrusion strip, 6 Reset assembly, 61 Connecting plate, 62 Spring, 7 Moving assembly, 71 Second motor, 72 U-shaped moving frame, 73 Threaded rod, 74 Limiting rod, 8 Cleaning assembly, 81 Rotating drum, 82 Brush, 83 Air outlet, 84 Third motor, 85 Fixed plate, 86 Connecting pipe, 87 U-shaped pipe, 9 Air injection assembly, 91 Air pump, 92 Air outlet hose, 10 Baffle, 11 Lock head. Detailed Implementation
[0021] 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.
[0022] Please see Figure 1-3 This embodiment provides a technical solution: a bamboo salt grinding and sieving device, including a storage box 1 and an extrusion assembly 5;
[0023] Storage box 1: A fixed frame 2 is fixed on the upper side. A strip-shaped opening is opened in the middle of the fixed frame 3. A screening screen 3 is slidably connected inside the strip-shaped opening. Two corresponding limiting strips 4 are fixed on the front and rear sides of the screening screen 3. Two corresponding limiting holes are opened on the right side of the fixed frame 2. The limiting strips 4 are slidably connected inside the limiting holes. A reset component 6 is installed on the left side of the screening screen 3. A moving component 7 is installed inside the fixed frame 2. A cleaning component 8 is installed inside the moving frame 7. An air injection component 9 is installed on the rear side of the fixed frame 2. The air injection component 9 is connected to the cleaning component 8. The reset component 6 includes a connecting plate 61 and a spring 62. A connecting plate 61 is fixed on the left side of the screening screen 3. A uniformly distributed spring 62 is fixed on the right side of the connecting plate 61. The right end of the spring 62 Fixed to the left side of the fixed frame 2, the moving assembly 7 includes a second motor 71, a U-shaped moving frame 72, a threaded rod 73, and a limiting rod 74. The second motor 71 is installed at the rear end of the left side of the fixed frame 2. The screening screen 3 is located inside the U-shaped moving frame 72. A threaded hole is opened on the rear side of the U-shaped moving frame 72, and the threaded rod 73 is threadedly connected inside the threaded hole. The threaded rod 73 is rotatably connected inside the fixed frame 2. A guide hole is opened on the front side of the U-shaped moving frame 72, and the limiting rod 74 is slidably connected inside the guide hole. The limiting rod 74 is fixed inside the fixed frame 2. The output shaft of the second motor 71 is fixed to the left end of the threaded rod 73. The input end of the second motor 71 is electrically connected to the output end of an external control switch group. The cleaning assembly 8 includes a rotating drum 8. 1. The frame consists of bristles 82, air vents 83, a third motor 84, a fixing plate 85, a connecting pipe 86, and a U-shaped tube 87. The rear side of the U-shaped moving frame 72 has two corresponding rotating holes, inside which a rotating drum 81 is rotatably connected. Evenly distributed bristles 82 are fixed on the circumference of the rotating drum 81, and evenly distributed air vents 83 are also located on its circumference. Two corresponding third motors 84 are mounted on the front side of the U-shaped moving frame 72, with their output shafts fixed to the front end of the rotating drum 81. Two corresponding fixing plates 85 are fixed on the rear side of the U-shaped moving frame 72, with an opening in the middle of each fixing plate 85. A connecting pipe 86 is fixed inside the opening, with its front end located at the rear end of the rotating drum 81. The two connecting pipes... 86 is connected via U-shaped tube 87. The input end of the third motor 84 is electrically connected to the output end of the external control switch group. The air injection component 9 includes an air pump 91 and an air outlet hose 92. The air pump 91 is installed on the rear side of the fixed frame 2. The air outlet hose 92 is fixed inside the air outlet of the air pump 91. The right end of the air outlet hose 92 is fixed on the circumferential surface of the U-shaped tube 87. The U-shaped tube 87 is connected to the air outlet hose 92. The input end of the air pump 91 is electrically connected to the output end of the external control switch group. Compressed air is injected into the interior of the U-shaped tube 87 by setting the air injection component 9. The screen 3 is cleaned by setting the cleaning component 8 to prevent it from clogging. The cleaning component 8 is moved by setting the moving component 7. The screen 3 is reset by setting the reset component 6.
[0024] The extrusion assembly 5 includes a fixing bar 51, a first motor 52, a cam 53, and an extrusion bar 54. The extrusion bar 54 is fixed to the right side of the screening screen 3, and the fixing bar 51 is fixed to the upper side of the fixing frame 2. The first motor 52 is installed on the upper side of the fixing bar 51. The cam 53 is fixed on the output shaft of the first motor 52. The cam 53 is in contact with the extrusion bar 54. The input end of the first motor 52 is electrically connected to the output end of an external control switch group. By setting the extrusion assembly 5 in conjunction with the reset assembly 6, the screening screen 3 is driven to move back and forth.
[0025] Wherein: a material retrieval port is provided on the front side of the storage box 1, and a baffle 10 is hinged inside the material retrieval port. A lock head 11 is installed at the lower front end of the baffle 10. The lock head 11 is connected to the storage box 1, and the baffle 10 is fixed by setting the lock head 11.
[0026] The working principle of the bamboo salt grinding and screening device provided by this utility model is as follows: After the bamboo salt raw material is put into the fixed frame 2, the first motor 52 is started to drive the cam 53 to rotate. The cam 53 periodically squeezes the squeezing bar 54 on the right side of the screening screen 3, forcing the screening screen 3 to move to the left along the guide bar 4. When the cam 53 disengages from the squeezing bar 54, the spring 62 of the reset component 6 pulls the connecting plate 61 to drive the screening screen 3 to reset, forming a left-right reciprocating vibration. The vibration causes the bamboo salt particles to tumble and disperse on the surface of the screening screen 3. Fine particles fall into the storage box 1 through the mesh, allowing for screening. After screening, large salt particles are removed from the screening screen 3. Then, the second motor 71 drives the threaded rod 73 to rotate, causing the U-shaped moving frame 72 to move laterally along the limiting rod 74, which in turn drives the cleaning component 8 to cover the surface of the screening screen 3. At this time, the third motor 84 is started to drive the rotating drum 81 to rotate at high speed. Its surface brush 82 scrapes away the impurities adhering to the screen. Simultaneously, the air pump 91 injects high-pressure airflow into the U-shaped tube 87 through the air outlet hose 92. The airflow enters the interior of the rotating drum 81 through the connecting pipe 86 and is ejected in reverse from the air outlet 83, blowing away the particles embedded in the mesh. This prevents the screening screen 3 from becoming clogged.
[0027] It is worth noting that the external control switch group disclosed in the above embodiments is equipped with buttons that correspond one-to-one with the first motor 52, the second motor 71, the third motor 84 and the air pump 91. The air pump 91 can be freely configured according to the actual application scenario. The first motor 52, the second motor 71 and the third motor 84 can be selected as 1LE0003 three-phase asynchronous motors.
[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A bamboo salt grinding and sieving device, characterized in that: Includes a storage box (1) and an extrusion assembly (5); Storage box (1): A fixed frame (2) is fixed on the upper side. A strip-shaped opening is provided in the middle of the fixed frame (2). A screening screen (3) is slidably connected inside the strip-shaped opening. Two corresponding limiting strips (4) are fixed on the front and rear sides of the screening screen (3). Two corresponding limiting holes are provided on the right side of the fixed frame (2). The limiting strips (4) are slidably connected inside the limiting holes. A reset component (6) is installed on the left side of the screening screen (3). A moving component (7) is installed inside the fixed frame (2). A cleaning component (8) is installed inside the moving component (7). An air injection component (9) is installed on the rear side of the fixed frame (2). The air injection component (9) is connected to the cleaning component (8). The extrusion assembly (5) includes a fixing bar (51), a first motor (52), a cam (53), and an extrusion bar (54). The extrusion bar (54) is fixed on the right side of the screening screen (3). The fixing bar (51) is fixed on the upper side of the fixing frame (2). The first motor (52) is installed on the upper side of the fixing bar (51). The cam (53) is fixed on the output shaft of the first motor (52). The cam (53) is in contact with the extrusion bar (54). The input end of the first motor (52) is electrically connected to the output end of an external control switch group.
2. The bamboo salt grinding and sieving device according to claim 1, characterized in that: The reset assembly (6) includes a connecting plate (61) and a spring (62). The connecting plate (61) is fixed on the left side of the screening screen (3), and the springs (62) are evenly distributed on the right side of the connecting plate (61). The right end of the springs (62) is fixed on the left side of the fixing frame (2).
3. The bamboo salt grinding and sieving device according to claim 1, characterized in that: The moving component (7) includes a second motor (71), a U-shaped moving frame (72), a threaded rod (73), and a limiting rod (74). The second motor (71) is installed at the rear end of the left side of the fixed frame (2). The screening screen (3) is located inside the U-shaped moving frame (72). A threaded hole is opened on the rear side of the U-shaped moving frame (72). A threaded rod (73) is threadedly connected inside the threaded hole. The threaded rod (73) is rotatably connected inside the fixed frame (2). A guide hole is opened on the front side of the U-shaped moving frame (72). A limiting rod (74) is slidably connected inside the guide hole. The limiting rod (74) is fixed inside the fixed frame (2). The output shaft of the second motor (71) is fixed at the left end of the threaded rod (73). The input end of the second motor (71) is electrically connected to the output end of an external control switch group.
4. The bamboo salt grinding and sieving device according to claim 3, characterized in that: The cleaning assembly (8) includes a rotating drum (81), bristles (82), air vents (83), a third motor (84), a fixing plate (85), a connecting pipe (86), and a U-shaped tube (87). Two corresponding rotating holes are opened on the rear side of the U-shaped moving frame (72), and the rotating drum (81) is rotatably connected inside the rotating holes. Evenly distributed bristles (82) are fixed on the circumferential surface of the rotating drum (81), and evenly distributed air vents (83) are opened on the circumferential surface of the rotating drum (81). A [missing information - likely a device or component] is installed on the front side of the U-shaped moving frame (72). Two corresponding third motors (84) are provided. The output shaft of the third motor (84) is fixed at the front end of the rotating drum (81). Two corresponding fixing plates (85) are fixed on the rear side of the U-shaped moving frame (72). An opening is provided in the middle of the fixing plate (85). A connecting pipe (86) is fixed inside the opening. The front end of the connecting pipe (86) is located at the rear end inside the rotating drum (81). The two connecting pipes (86) are connected by a U-shaped pipe (87). The input end of the third motor (84) is electrically connected to the output end of the external control switch group.
5. The bamboo salt grinding and sieving device according to claim 4, characterized in that: The air injection assembly (9) includes an air pump (91) and an air outlet hose (92). The air pump (91) is installed on the rear side of the fixed frame (2). The air outlet hose (92) is fixed inside the air outlet of the air pump (91). The right end of the air outlet hose (92) is fixed on the circumferential surface of the U-shaped tube (87). The U-shaped tube (87) is connected to the air outlet hose (92). The input end of the air pump (91) is electrically connected to the output end of an external control switch group.
6. The bamboo salt grinding and sieving device according to claim 1, characterized in that: The storage box (1) has a material inlet on the front side, and a baffle (10) is hinged inside the material inlet. A lock (11) is installed at the lower end of the front side of the baffle (10), and the lock (11) is connected to the storage box (1).