White cement ton bag material screening mechanism
By designing a white cement ton bag material screening mechanism and using a combination of vibrating mesh screen and air chute, the problem of cement particle agglomeration and incomplete screening in the white cement packaging system has been solved, ensuring cement quality and eliminating customer complaints. of reduction.
Patent Information
- Application Number
- CN202421011278.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing white cement packaging system cannot effectively prevent cement particles from agglomerating and incomplete screening, resulting in high customer complaints and rework costs.
Design a white cement tonbar material screening mechanism, including the vibration sieve mechanism, dust -proof shell and dust removal mechanism. The combination of vibration mesh screening and air slugs can be achieved to achieve effective screening and dust removal of the cement in the middle warehouse. Essence
Effectively avoid the particles in the bag in the bag, ensure the quality of the cement, and reduce the cost of customer complaints and rework.
Smart Images
Figure CN222385269U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cement processing equipment, in particular to a white cement ton bag material screening mechanism. Background Art
[0002] Due to the characteristics of white cement, it is prone to granulation and caking after storage in the warehouse. Some high-end customers have very strict requirements on the residual particles of white cement. When there are compacted cement particles in the white cement package, customers will complain. When complaining, rework is required, so the rework cost is relatively high.
[0003] The original charter system only had a screening device on the top of the middle silo. It was unable to prevent the cement from clumping and granulating after screening and stored in the silo. As a result, during the packaging process, the granules and crusts in the silo directly entered the ton bag through the steel impeller and air chute, causing quality problems such as failure to meet customer expectations. Summary of the invention
[0004] In view of the above-mentioned deficiencies in the prior art, the utility model proposes a white cement ton bag material screening mechanism. When the white cement is unloaded for packaging, the white cement unloaded from the intermediate bin is screened, thereby avoiding the presence of particles in the bagged cement and ensuring the quality of the cement.
[0005] To achieve the above-mentioned purpose, the solution of the utility model is: a white cement ton bag material screening mechanism, including a vibrating screening mechanism, a dustproof shell and a dust removal mechanism, wherein an intermediate bin is arranged above the vibrating screening mechanism, and an air chute is arranged below the vibrating screening mechanism, wherein the bottom of the dustproof shell is connected with the air chute, and the top of the dustproof shell is connected with the bottom of the intermediate bin, a vibrating screening mechanism is arranged in the dustproof shell, and the dustproof shell is connected with the dust removal mechanism; the vibrating screening mechanism comprises a vibrating mesh screen, a slag discharge port and an air charging box, the vibrating mesh screen is installed in the dustproof shell, the vibrating mesh screen is inclined, a slag discharge port is opened on the downward inclined end of the vibrating mesh screen, and an air charging box is arranged at the bottom of the slag discharge port; the dust removal mechanism is connected to the top of the dustproof shell.
[0006] Preferably, the vibrating mesh screen includes a vibrating frame, a connecting spring, a vibrating motor and a moving net, wherein the bottom of the vibrating frame is mounted on the inner wall of the dustproof housing through a connecting spring, a vibrating motor is arranged at the bottom of the vibrating frame, rollers are installed at both ends of the vibrating frame on the outside through bearings, the moving net is wound around the two rollers, a through hole is opened on the vibrating frame for the moving net to pass through, and the two rollers are driven by a motor.
[0007] Preferably, a cleaning component is provided between each roller and the vibration frame. The cleaning component is provided on the roller. The cleaning component is an air jet groove. The roller is a hollow tube and a long air jet groove is opened on the outer wall of the roller. The multiple air jet grooves are distributed in a circular array. An arc-shaped baffle is provided in the roller and fits with the inner wall of the roller.
[0008] Preferably, a pneumatic trigger valve is provided at the bottom of the dustproof shell, and the pneumatic trigger valve includes a feed port, a rotating rod, a baffle and a trigger assembly. A channel connected to the dustproof shell extends downward from the bottom of the dustproof shell, and the bottom of the channel is the feed port. A plurality of rotating rods arranged side by side are provided in the feed port, and both ends of the rotating rods are mounted on the inner wall of the feed port through bearings. A baffle is mounted on each rotating rod, and the feed port is blocked by the rotation of the rotating rod. A trigger assembly is provided in the air chute, and the trigger assembly is a blade. The blade is two pieces and the two blades are hinged on the inner walls on both sides of the air chute. A coaxial sliding sleeve is provided at the top of the air chute and the sliding sleeve is located on both sides of the feed port. A guide rod is inserted in the sliding sleeve, and a support rod is hinged between the guide rod and the bottom of each baffle, a spring is installed between one end of the guide rod and the sliding sleeve, and a pull rope is provided between the end of each blade and the guide rod.
[0009] Compared with the prior art, the utility model has the advantages that when the white cement is discharged for packaging, the white cement discharged from the intermediate bin is screened, thus avoiding the presence of particles in the bagged cement and ensuring the quality of the cement. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is the front view of the utility model.
[0011] Figure 2 It is a cross-sectional view of the utility model.
[0012] Figure 3 It is a schematic diagram of the vibrating mesh screen of the utility model.
[0013] Figure 4 It is a schematic diagram of the cleaning component of the utility model.
[0014] Figure 5 It is a cross-sectional view of the roller of the utility model.
[0015] Figure 6 It is a schematic diagram of the pneumatic trigger valve of the utility model.
[0016] Among them, 1. vibrating screening mechanism, 2. vibrating mesh screen, 3. vibrating frame, 4. connecting spring, 5. vibrating motor, 6. moving net, 7. roller, 8. cleaning assembly, 9. jet slot, 10. arc baffle, 11. slag discharge port, 12. inflation box, 13. air chute, 14. dustproof shell, 15. dust removal mechanism, 16. intermediate bin, 17. pneumatic trigger valve, 18. discharge port, 19. rotating rod, 20. baffle, 21. trigger assembly, 22. blade, 23. sliding sleeve, 24. guide rod, 25. support rod, 26. spring, 27. pull rope. DETAILED DESCRIPTION
[0017] Now in conjunction with the accompanying drawings, the utility model is further explained.
[0018] like Figure 1-6As shown, a white cement ton bag material screening mechanism comprises a vibrating screening mechanism 1, a dustproof housing 14 and a dust removal mechanism 15, wherein an intermediate bin 16 is arranged above the vibrating screening mechanism 1 (the outer wall of the intermediate bin 16 is mounted on the roof by bolts), and an air chute 13 is arranged below the vibrating screening mechanism 1 (the hollow chute is a rectangular channel into which high-pressure gas is introduced, and the powder is transported in the hollow chute by the high-pressure gas), wherein the bottom of the dustproof housing 14 is connected to the air chute 13, and the top of the dustproof housing 14 is connected to the bottom of the intermediate bin 16, and the raw materials are transported through the intermediate bin 16. The bin 16 falls into the dustproof housing 14, and the screened powder falls into the air chute 13 through the dustproof housing 14. A vibrating screening mechanism 1 is installed in the dustproof housing 14. The raw materials are screened through the vibrating screening mechanism 1, and the powders that meet the particle size fall into the air chute 13 for bagging. The hardened cement is above the vibrating screening mechanism 1. The dustproof housing 14 is connected to the dust removal mechanism 15. The dust removal mechanism 15 is a pipeline connected to the negative pressure pump, and the floating dust in the dustproof housing 14 is adsorbed by the negative pressure; the vibrating screening mechanism 1 is a vibrating mesh screen 2, a slag discharger The vibrating screen 2 is installed in the dustproof housing 14, and the vibrating screen 2 is tilted, so that the hardened cement is transported to the right. A slag discharge port 11 is opened on the downwardly tilted end (right end) of the vibrating screen 2, and the hardened cement leaves the vibrating screen 2 through the slag discharge port 11. An aeration box 12 is arranged at the bottom of the right end of the slag discharge port 11. The outer wall of the aeration box 12 is connected to an air pipe connected to an air pump through a threaded joint, so that the air flow in the aeration box 12 flows (the aeration box 12 is the prior art), and a rectangular channel is covered above the aeration box 12, and the rectangular channel passes It is installed above the inflation box 12 through bolts, and the rectangular channel is connected to the right end of the dustproof shell 14. The right end of the vibrating screen 2 extends into the rectangular channel, and the hardened cement passes through the slag discharge port 11 and falls into the inflation box 12. In this way, the cement flows in the inflation box 12 and unloads when it moves to the end, and the end of the inflation box 12 can be caught by the box body; a dust removal mechanism 15 is connected to the top of the dustproof shell 14, and the pipeline of the dust removal mechanism 15 is directly installed on the top of the dustproof shell 14 through bolts, and the floating dust in the dustproof shell 14 is directly adsorbed through the pipeline.
[0019] The vibrating screen 2 includes a vibrating frame 3, a connecting spring 264, a vibrating motor 5 and a moving net 6, wherein the bottom of the vibrating frame 3 is provided with a connecting spring 264 by bolt connection, and the top of the connecting spring 264 is provided on the inner wall of the dustproof housing 14 by bolt fastening, and the vibration of the vibrating frame 3 is achieved by the connecting spring 264, and the vibrating motor 5 is provided at the bottom of the vibrating frame 3 by bolt fastening, and rollers 7 are provided at both ends of the vibrating frame 3 on the outside through bearings, and the rollers 7 are driven by a motor, so that the rotation of the rollers 7 is achieved, and the two rollers are connected to each other. 7 is wound with a mobile net 6 (that is, both ends of the mobile net 6 are installed on the rollers 7 by bolts, and the winding and unwinding are carried out by the rotation of the rollers 7. Since rollers 7 are installed on both sides of the vibration frame 3, the displacement of the mobile net 6 is realized by the same direction rotation of the two rollers 7), a through hole for the mobile net 6 to pass through is opened on the vibration frame 3, and the two rollers 7 are driven by a motor to realize the movement of the mobile net 6. When the mesh of the mobile net 6 is blocked, the mobile net 6 is moved to switch the screening area, so that the mobile net 6 can be cleaned without affecting the screening.
[0020] A cleaning component 8 is arranged between each roller 7 and the vibration frame 3. The cleaning component 8 is arranged on the roller 7. The cleaning component 8 is an air jet groove 9. The roller 7 is a hollow tube and a long strip of air jet groove 9 is opened on the outer wall of the roller 7. The air jet groove 9 is a plurality of air jet grooves 9 distributed in a circular array on the outer wall of the roller 7. The plurality of air jet grooves 9 are distributed in a circular array. An arc baffle 10 that fits the inner wall of the roller 7 is embedded in the roller 7. The arc baffle 10 rotates relative to the inner wall of the roller 7, so that the air jet groove 9 except the top is closed by the arc baffle 10, so that the blocked mesh is dredged by recoil.
[0021] A pneumatic trigger valve 17 is arranged at the bottom of the dustproof shell, and the pneumatic trigger valve 17 includes a feed port 18, a rotating rod 19, a baffle 20 and a trigger assembly 21. A channel connected to the dustproof shell 14 extends downward from the bottom of the dustproof shell 14, and the bottom of the channel is the feed port 18. A plurality of rotating rods 19 arranged side by side are arranged in the feed port 18. The rotating rods 19 are arranged longitudinally and each rotating rod 19 is installed on the inner wall of the feed port 18 through a bearing. Both ends of the rotating rods 19 are installed on the inner wall of the feed port 18 through bearings. A baffle plate 20 is installed on each rotating rod 19 by welding, and the sealing plate is realized by rotating the rotating rod 19 to block the feed port 18. A trigger component 21 is installed in the air chute 13. The trigger component 21 is a blade 22. The blade 22 is two pieces and the two blades 22 are hinged on the inner walls of the air chute 13 on both sides. When air flows through the air chute 13, the blades 22 open and approach the inner wall of the air chute 13. A coaxial sliding sleeve 23 is fixed on the inner top of the air chute 13 by welding. The sliding sleeve 23 is located on the left and right sides of the feed opening 18. A guide rod 24 is inserted into the sliding sleeve 23. The guide rod 24 moves left and right in the sliding sleeve 23. A support rod 25 is hinged between the guide rod 24 and the bottom of each baffle 20. A spring 26 is installed between one end of the guide rod 24 and the sliding sleeve 23 (the spring 26 is sleeved on the right end of the guide rod 24, and the two ends of the two ends are respectively fixed to the right end of the guide rod 24 and the sliding sleeve 23 by welding). A tension rod 25 is arranged between the end of each blade 22 and the guide rod 24. Rope 27, both ends of the pull rope 27 are tied to the right end of the guide rod 24 and the end of the blade 22 by a rope. When high-pressure air flows through the air chute 13, the blade 22 opens and pulls the pull rope 27 to the right, so that the guide rod 24 moves to the right, so that the left end of the baffle 20 swings downward, and the discharge port 18 opens. When there is no air flow through the air chute 13, the guide rod 24 is moved to the left by the spring 26, so that the baffle 20 blocks the discharge port 18, and the elastic force of the spring 26 can offset the gravity of the cement.
Claims
1. A white cement ton bag material screening mechanism, comprising a vibrating screening mechanism, a dustproof shell and a dust removal mechanism, wherein an intermediate bin is arranged above the vibrating screening mechanism, an air chute is arranged below the vibrating screening mechanism, wherein the bottom of the dustproof shell is connected to the air chute, the top of the dustproof shell is connected to the bottom of the intermediate bin, a vibrating screening mechanism is arranged inside the dustproof shell, and the dustproof shell is connected to the dust removal mechanism; characterized in that: The vibrating screening mechanism comprises a vibrating mesh screen, a slag discharge port and an air charging box. The vibrating mesh screen is installed in a dustproof housing. The vibrating mesh screen is tilted. A slag discharge port is opened on the downward tilted end of the vibrating mesh screen, and an air charging box is arranged at the bottom of the slag discharge port. A dust removal mechanism is docked at the top of the dustproof housing.
2. A white cement ton bag material screening mechanism according to claim 1, characterized in that: The vibrating mesh screen includes a vibrating frame, a connecting spring, a vibrating motor and a moving net, wherein the bottom of the vibrating frame is mounted on the inner wall of the dustproof housing through a connecting spring, a vibrating motor is arranged at the bottom of the vibrating frame, rollers are mounted at both ends of the vibrating frame on the outside through bearings, a moving net is wound around the two rollers, a through hole is opened on the vibrating frame for the moving net to pass through, and the two rollers are driven by a motor.
3. A white cement ton bag material screening mechanism according to claim 2, characterized in that: A cleaning component is arranged between each roller and the vibration frame. The cleaning component is also mounted on the vibration frame through a bearing. The cleaning component is arranged on the roller. The cleaning component is an air jet groove. The roller is a hollow tube and a long air jet groove is opened on the outer wall of the roller. The multiple air jet grooves are distributed in a circular array. An arc-shaped baffle is arranged inside the roller and fits with the inner wall of the roller.
4. A white cement ton bag material screening mechanism according to claim 3, characterized in that: A pneumatic trigger valve is arranged at the bottom of the dustproof shell, and the pneumatic trigger valve includes a feed port, a rotating rod, a baffle and a trigger assembly. A plurality of rotating rods arranged side by side are arranged in the feed port, and both ends of the rotating rods are installed on the inner wall of the feed port through bearings. A baffle is installed on each rotating rod, and the feed port is blocked by the sealing plate through the rotation of the rotating rod. A trigger assembly is arranged in the air chute, and the trigger assembly is a blade. The blade has two pieces and the two blades are hinged on the inner walls on both sides of the air chute. A coaxial sliding sleeve is arranged at the top of the air chute and the sliding sleeve is located on both sides of the feed port. A guide rod is inserted in the sliding sleeve, and a support rod is hinged between the guide rod and the bottom of each baffle, a spring is installed between one end of the guide rod and the sliding sleeve, and a pull rope is arranged between the end of each blade and the guide rod.