Preparation method and device of high-collapsibility sodium silicate-bonded sand
By designing a water glass sand preparation device with screening, automatic bin doors, and adjustment mechanisms, the problem of difficulty in dynamically adjusting atomization and stirring efficiency in traditional equipment has been solved, achieving efficient sand particle mixing and improving sand mold performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-31
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional water glass sand preparation equipment has difficulty dynamically adjusting the atomization degree and mixing efficiency according to the sand particle size, resulting in poor mixing effect and affecting the performance of sand molds.
A highly collapsible water glass sand preparation device was designed, including a screening mechanism, an automatic silo gate mechanism, a mixing mechanism, and a filling mechanism. The screening mechanism classifies the sand particles by size, and the automatic silo gate mechanism and the adjustment mechanism automatically adjust the atomization degree and stirring speed to achieve self-adaptive mixing.
It enables automatic adjustment of atomization degree and stirring speed according to sand particle size, improves mixing effect, adapts to the preparation needs of sand particles of different sizes, and enhances the performance of sand molds.
Smart Images
Figure CN121715519A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of water glass sand production technology, and in particular to a method and apparatus for preparing highly collapsible water glass sand. Background Technology
[0002] In the foundry industry, water glass sand is a commonly used molding sand material, widely used due to its excellent formability and collapsibility. Traditional water glass sand preparation methods typically involve atomizing and adding water glass, spraying it onto the sand grain surface in a mist form, and then mixing it uniformly. However, different sand grain sizes require different levels of atomization and therefore different mixing efficiencies. Fine-grained sand grains require finer atomized droplets to ensure uniform coverage and necessitate higher mixing speeds, while coarse-grained sand grains can use larger droplets and lower mixing speeds to avoid grain breakage. Traditional equipment struggles to dynamically adjust the atomization level and mixing efficiency based on sand grain size, resulting in poor mixing and negatively impacting the performance of the sand mold.
[0003] To address this issue, the present invention proposes a method and apparatus for preparing highly collapsible water glass sand. Summary of the Invention
[0004] The purpose of this invention is to at least address one of the aforementioned technical deficiencies.
[0005] Therefore, one objective of this invention is to provide a method and apparatus for preparing highly collapsible water glass sand, so as to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.
[0006] To achieve the above objectives, one embodiment of the present invention provides a high-collapseability water glass sand preparation device, comprising: a screening mechanism for screening sand particles, including: a screening box, a vibrating motor, and a sieve plate, wherein the screening box is provided with a discharge trough; an automatic door mechanism, located at the discharge trough, for automatically unloading the screening box, including: a door, a torsion spring, and a fixing frame; a mixing mechanism for mixing water glass and sand particles, including a mixing cylinder, a motor, and a stirring rod; a filling mechanism for filling water glass into the mixing cylinder, including a fixing cylinder, an inlet pipe, and an outlet pipe, wherein the outlet pipe is equipped with several connecting pipes, the bottom of the connecting pipes is integrated with an atomizing nozzle, and the connecting pipes are provided with an adjustment knob for adjusting the atomization degree of the atomizing nozzle; and an adjustment mechanism, linked to the opening and closing of the door, for self-adapting the output frequency of the motor and the atomization degree of the atomizing nozzle, including an electric push rod, a first rack, a first gear, and a trigger assembly, wherein the trigger assembly is connected to the door through a transmission assembly.
[0007] Preferably, in any of the above embodiments, the vibration motor is installed on the screening box to provide vibration force for screening; four screen plates are provided, each with screen holes of different sizes, all installed inside the screening box and inclined; a bottom plate is also installed inside the screening box, inclined below the screen plates; five discharge troughs are provided, three of which are distributed on one side wall of the screening box, and the other two discharge troughs are detachably equipped with baffles by countersunk bolts and distributed on the other side wall of the screening box, the discharge troughs corresponding to the positions of the screen plates and the bottom plate respectively; a fixing plate is installed on the screening box, and a cavity with one end open is formed between the fixing plate and the screening box.
[0008] Preferably, the automatic door mechanism comprises three sets: a first automatic door mechanism, a second automatic door mechanism, and a third automatic door mechanism, each set in one of the three unloading troughs on the same side. A rotating shaft is installed on the door, and the rotating shaft is rotatably mounted in the unloading trough. A boss is fixedly provided on the door. A limiting plate is installed on the fixing frame. A torsion spring is sleeved on the fixing frame, with one end installed on the limiting plate and the other end installed on the boss.
[0009] Preferably, in any of the above embodiments, a feed pipe is installed on the mixing cylinder, the feed pipe is positioned directly below the cavity, and a guide block is installed inside the feed pipe to guide the discharge trajectory of the sand particles entering the feed pipe; a positioning frame and a support frame are installed on the top of the mixing cylinder, and the motor is mounted on the positioning frame; a discharge pipe is provided at the bottom of the mixing cylinder, and a solenoid valve is installed on the discharge pipe; a stirring rod is rotatably mounted on the mixing cylinder, and its top is connected to the motor output shaft; a through hole is provided on the mixing cylinder for the installation of a connecting pipe; a cylindrical rod is rotatably mounted on the support frame, the cylindrical rod has a guide groove, a counterweight is provided on the cylindrical rod, the counterweight has a through hole, the through hole is slidably mounted on the cylindrical rod, a guide block is installed in the through hole, the guide block is slidably mounted in the guide groove, an annular groove is provided on the counterweight, a connecting block is rotatably mounted in the annular groove, the connecting block is slidably mounted on the support frame, and a first contact piece is installed on the connecting block.
[0010] Preferably, in any of the above solutions, a second contact piece is installed on the support frame, the second contact piece is used to cooperate with the first contact piece, and the first contact piece, the second contact piece and the vibration motor are electrically connected; A first return spring is installed on the support frame, and a connecting plate is installed at one end of the first return spring. The connecting plate is slidably mounted on the cylindrical rod, and one end of the connecting plate is rotatably connected to the counterweight block. A first bevel gear is installed on the cylindrical rod, and a second bevel gear meshes with the first bevel gear. The second bevel gear is installed on the output shaft of the motor.
[0011] Preferably, in any of the above embodiments, one end of the inlet pipe is installed inside a fixed cylinder, and the other end is installed with a storage tank; centrifugal blades are rotatably arranged inside the fixed cylinder, one end of the fixed cylinder is connected to the outlet pipe, one end of the centrifugal blades is installed with a positioning shaft, the positioning shaft is rotatably arranged inside the inlet pipe, and several blades are installed on the positioning shaft, the blades being positioned below the guide block; each of the adjusting knobs is equipped with a pulley, and every two pulleys are connected by a synchronous belt.
[0012] Preferably, in any of the above embodiments, the electric push rod is installed on the top of the mixing drum, a fixed block is installed at the output end of the electric push rod, a vertical plate is installed at one end of the fixed block, and the vertical plate is connected to the first rack; a limit frame is slidably provided on the first rack, and the limit frame is installed on the mixing drum; the first gear is installed on one of the adjustment knobs, and the first gear meshes with the first rack; the adjustment mechanism further includes a sliding rheostat, which is installed on the mixing drum, the slider of the sliding rheostat is connected to the fixed block, and the sliding rheostat is electrically connected to the motor.
[0013] Preferably, according to any of the above embodiments, the triggering component includes: a first fixed frame, inside which two positioning plates are fixedly installed, dividing the interior of the first fixed frame into three chambers, each chamber containing a push switch electrically connected to an electric push rod; a first guide rod installed within the first fixed frame; and an unlocking plate installed on the first fixed frame; three sliding blocks slidably disposed within the three chambers and slidably connected to the first guide rods; each sliding block having a groove, within which a vertical block is slidably disposed; one end of the vertical block being an inclined surface; and a second return spring installed at the bottom of the vertical block. The second return spring is installed in the groove, and a third return spring is installed at one end of each sliding block. The third return spring is sleeved on the first guide rod, and one end of the third return spring is installed on the side wall of the chamber. A second fixed frame is installed inside the second guide rod. A horizontal block is slidably disposed in the second fixed frame and slidably connected to the second guide rod. A second rack is installed at one end of the horizontal block, and a driving block is installed on the second rack. The driving block is used to push the vertical plate to move. A fourth return spring is installed at one end of the horizontal block and is installed in the second fixed frame. A second gear meshes with the second rack.
[0014] Preferably, according to any of the above solutions, the transmission assembly includes: three third gears, each mounted on one of the three rotating shafts; A fourth gear meshes with one of the third gears; a fifth gear meshes with one of the third gears; a sixth gear meshes with one of the third gears; a first transmission rod has three third bevel gears mounted on it, each of which has a fourth bevel gear meshing with it; a ratchet is rotatably mounted on each of the fourth bevel gears, and the three ratchets are respectively connected to the three third bevel gears; a connecting rod is mounted on the fourth bevel gear, and a pawl that meshes with the ratchet is rotatably mounted on the connecting rod; a spring is disposed at one end of the pawl, and the spring is mounted on the fourth bevel gear; the three ratchets are respectively connected to the fourth gear, the fifth gear, and the sixth gear; a fifth bevel gear has a second transmission rod mounted on it, the second gear is mounted on the second transmission rod, and a sixth bevel gear meshes with the fifth bevel gear; the sixth bevel gear is mounted on the first transmission rod.
[0015] Using the water glass sand preparation apparatus described in any of the above schemes, the preparation method includes the following steps: S1: Inject the sand into the screening box and start the vibration motor. The sand passes through the screen plate and is classified according to particle size. S2: The automatic door mechanism automatically opens the corresponding unloading chute based on the mass of the sand particles, and the sand particles enter the mixing drum; S3: The opening of the compartment door drives the second rack to move through the transmission component. The opening positions of the first automatic compartment door mechanism, the second automatic compartment door mechanism and the third automatic compartment door mechanism are different, which triggers different push switches and drives the electric push rod to extend to different lengths, matching different atomization levels and stirring speeds. S4: The material enters the feed pipe and drives the blades, causing the centrifugal blades to rotate, generating negative pressure, and outputting water glass from the storage chamber to the mixing drum. S5; As the material enters, the motor starts, driving the stirring rod to work and mix, and driving the hammer to move, causing the contact between the first and second contact plates to break, thus stopping the vibration motor.
[0016] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows: The sand particles are screened by a screening mechanism. The electric push rod is triggered to different extension positions according to the opening of different chamber doors, thereby adjusting the atomization degree and motor output efficiency, automatically adjusting the atomization degree and stirring speed to meet the preparation needs of sand particles of different sizes.
[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram from a first perspective according to an embodiment of the present invention; Figure 2 This is a schematic diagram from a second perspective according to an embodiment of the present invention; Figure 3 This is a schematic diagram from a third perspective according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the baffle connection according to an embodiment of the present invention; Figure 5 This is a schematic cross-sectional view of the screening box according to an embodiment of the present invention; Figure 6 According to embodiments of the present invention Figure 5 Enlarged view of point A in the middle; Figure 7 This is a schematic diagram of the connection of the automatic compartment door mechanism according to an embodiment of the present invention; Figure 8 According to embodiments of the present invention Figure 7 Enlarged view of point B in the middle; Figure 9 This is a schematic diagram of the fourth gear connection according to an embodiment of the present invention; Figure 10 This is a first-view schematic diagram of ratchet splitting according to an embodiment of the present invention; Figure 11 This is a schematic diagram of ratchet splitting from a second perspective according to an embodiment of the present invention; Figure 12 This is a schematic diagram of the block connection according to an embodiment of the present invention; Figure 13 This is a schematic cross-sectional view of the first fixed frame according to an embodiment of the present invention; Figure 14 According to embodiments of the present invention Figure 13 Enlarged view of point C in the middle; Figure 15 This is a schematic cross-sectional view of the second fixed frame according to an embodiment of the present invention; Figure 16 This is a schematic diagram of the mixing cylinder connection according to an embodiment of the present invention; Figure 17 This is a schematic cross-sectional view of the feed pipe according to an embodiment of the present invention; Figure 18 According to embodiments of the present invention Figure 17 Enlarged view of point D; Figure 19 This is a schematic diagram of blade connection according to an embodiment of the present invention; Figure 20 This is a schematic cross-sectional view of the fixed cylinder according to an embodiment of the present invention; Figure 21 This is a schematic diagram of the stirring rod connection according to an embodiment of the present invention; Figure 22 This is a schematic diagram of a cylindrical rod connection according to an embodiment of the present invention; Figure 23 According to embodiments of the present invention Figure 22 Enlarged view of point E in the middle; Figure 24 This is a schematic diagram of the guide block connection according to an embodiment of the present invention; Figure 25 This is a schematic diagram of the connection of a sliding rheostat according to an embodiment of the present invention.
[0019] In the diagram: 1. Screening mechanism; 11. Screening box; 12. Vibrating motor; 13. Screen plate; 14. Base plate; 15. Baffle; 16. Fixing plate; 2. Automatic bin door mechanism; 21. First automatic bin door mechanism; 22. Second automatic bin door mechanism; 23. Third automatic bin door mechanism; 201. Bin door; 202. Torsion spring; 203. Fixing frame; 204. Rotating shaft; 205. Boss; 206. Limiting plate; 3. Mixing mechanism; 31. Mixing cylinder; 3101. Positioning frame; 3102. Support frame; 3103. Discharge pipe; 3104. Feed pipe; 3 105. Guide block; 32. Motor; 33. Stirring rod; 34. Cylindrical rod; 3401. Counterweight; 3402. Guide block; 3403. Connecting block; 3404. First contact piece; 3405. Second contact piece; 3406. First bevel gear; 3407. Second bevel gear; 35. First return spring; 3501. Connecting plate; 4. Filling mechanism; 41. Fixed cylinder; 4101. Centrifugal blade; 4102. Positioning shaft; 4103. Blade; 42. Inlet pipe; 43. Outlet pipe; 44. Connecting pipe; 45. Atomizing nozzle; 46. Adjusting knob. 47. Button, Liquid Storage Tank, 48. Pulley, 4801. Synchronous Belt, 5. Adjustment Mechanism, 51. Electric Push Rod, 5101. Fixing Block, 5102. Vertical Plate, 52. First Rack, 53. First Gear, 54. Trigger Assembly, 5401. First Fixing Frame, 5402. Positioning Plate, 5403. Press Switch, 5404. First Guide Rod, 5405. Unlocking Plate, 5406. Sliding Block, 5407. Vertical Block, 5408. Second Return Spring, 5409. Third Return Spring, 5410. Second Fixing Frame, 5411. Second Guide Rod 5412, 5413, 5414, 5415, 5416, 5417, 5418, 5419, 5410, 5411, 5412, 5413, 5414, 5415, 5416, 5417, 5518, 5501, 5502, 5503, 5504, 5505, 5505, 5506, 5507, 5508, 5509, 5510, 5511, 5512, 5513, 5514, 5515, 5516, 5517, 5518, 551 ... Detailed Implementation
[0020] like Figures 1 to 25 As shown, a method and apparatus for preparing highly collapsible water glass sand includes a screening mechanism 1, an automatic silo door mechanism 2, a mixing mechanism 3, a filling mechanism 4, and an adjustment mechanism 5.
[0021] Furthermore, the screening mechanism 1 is used to screen sand particles, and includes: a screening box 11, a vibrating motor 12 and a screen plate 13, wherein the screening box 11 is provided with a discharge chute; The vibration motor 12 is mounted on the screening box 11 and is used to provide vibration force to achieve screening. The screen plate 13 is provided with four screens, each with a screen hole of different size. All screens are installed inside the screening box 11 and are set at an inclination. The four screen plates 13 are distributed vertically, and the screen hole size gradually decreases from top to bottom. The inclination direction of the uppermost screen plate 13 is opposite to that of the three screen plates 13 below. The inclination of the screen plates 13 serves to guide the sand particles on them. The screening box 11 is also equipped with a bottom plate 14, which is inclined and located below the sieve plate 13; The number of unloading troughs is five, three of which are distributed on one side wall of the screening box 11, and the other two are equipped with baffles 15 that can be detached by countersunk bolts and are distributed on the other side wall of the screening box 11. The unloading troughs correspond to the positions of the screen plate 13 and the bottom plate 14 respectively. A fixing plate 16 is installed on the screening box 11, and a cavity with one end open is formed between the fixing plate 16 and the screening box 11. The setting of the fixing plate 16 makes the falling point of the sand particles controllable when the door 201 is opened.
[0022] Furthermore, the automatic door mechanism 2 is located at the unloading chute and is used to realize the automatic unloading of the screening box 11. It is provided in three sets, namely the first automatic door mechanism 21, the second automatic door mechanism 22 and the third automatic door mechanism 23, which are respectively set in the three unloading chutes on the same side. Each set of the automatic door mechanism 2 includes: door 201, torsion spring 202 and fixing frame 203. A rotating shaft 204 is installed on the hopper door 201. The rotating shaft 204 is rotatably disposed in the unloading chute. A boss 205 is fixedly provided on the hopper door 201. A limiting plate 206 is installed on the fixing frame 203; The torsion spring 202 is sleeved on the fixing frame 203, with one end installed on the limiting plate 206 and the other end installed on the boss 205. The torsion spring 202 is used to provide a resetting force for the compartment door 201.
[0023] Furthermore, the mixing mechanism 3 is used to mix water glass and sand particles, and includes a mixing cylinder 31, a motor 32 and a stirring rod 33; The mixing cylinder 31 is equipped with a feed pipe 3104, which is located directly below the cavity. A guide block 3105 is installed inside the feed pipe 3104, which is used to guide the feeding trajectory of the sand particles entering the feed pipe 3104. The mixing cylinder 31 is equipped with a positioning frame 3101 and a support frame 3102 at the top. The motor 32 is mounted on the positioning frame 3101. The mixing cylinder 31 is provided with a discharge pipe 3103 at the bottom. A solenoid valve is installed on the discharge pipe 3103. The stirring rod 33 is rotatably mounted on the mixing cylinder 31, and its top is connected to the output shaft of the motor 32; The mixing cylinder 31 has a through hole for the installation of the connecting pipe 44; A cylindrical rod 34 is rotatably mounted on the support frame 3102. A guide groove is formed on the cylindrical rod 34. A counterweight 3401 is mounted on the cylindrical rod 34. A through hole is formed on the counterweight 3401. The through hole is slidably mounted on the cylindrical rod 34. A guide block 3402 is installed in the through hole. The guide block 3402 is slidably mounted in the guide groove. An annular groove is formed on the counterweight 3401. A connecting block 3403 is rotatably mounted in the annular groove. The connecting block 3403 is slidably mounted on the support frame 3102. A first contact piece 3404 is mounted on the connecting block 3403. The support frame 3102 is equipped with a second contact piece 3405, which is used to cooperate with the first contact piece 3404. The first contact piece 3404, the second contact piece 3405 and the vibration motor 12 are electrically connected. A first return spring 35 is installed on the support frame 3102. A connecting plate 3501 is installed on one end of the first return spring 35. The connecting plate 3501 is slidably disposed on the cylindrical rod 34. One end of the connecting plate 3501 is rotatably connected to the weight 3401. The first return spring 35 is used to provide a return force for the weight 3401. A first bevel gear 3406 is mounted on the cylindrical rod 34, and a second bevel gear 3407 meshes with the first bevel gear 3406. The second bevel gear 3407 is mounted on the output shaft of the motor 32. When the motor 32 rotates, the cylindrical rod 34 is driven by the first bevel gear 3406 and the second bevel gear 3407, which drives the counterweight 3401 on it to rotate. When the counterweight 3401 rotates with the cylindrical rod 34, it generates a radial centrifugal force, causing the counterweight 3401 to move under the limit of the guide block 3402 and the guide groove, which causes the first return spring 35 to be squeezed and the first contact piece 3404 and the second contact piece 3405 to disengage, thereby cutting off the power to the vibration motor 12.
[0024] Furthermore, the filling mechanism 4 is used to fill water glass into the mixing cylinder 31, including a fixed cylinder 41, an inlet pipe 42 and an outlet pipe 43. Several connecting pipes 44 are installed on the outlet pipe 43. An atomizing nozzle 45 is integrated at the bottom of the connecting pipe 44. An adjustment knob 46 is provided on the connecting pipe. The adjustment knob 46 is used to adjust the atomization degree of the atomizing nozzle 45. One end of the liquid inlet pipe 42 is installed inside the fixed cylinder 41, and the other end is installed with a liquid storage tank 47; The fixed cylinder 41 is rotatably provided with centrifugal blades 4101. One end of the fixed cylinder 41 is connected to the liquid outlet pipe 43. One end of the centrifugal blades 4101 is equipped with a positioning shaft 4102. The positioning shaft 4102 is rotatably disposed in the feed pipe 3104. Several blades 4103 are installed on the positioning shaft 4102. The blades 4103 are placed below the guide block 3105. Each of the adjustment knobs 46 is equipped with a pulley 48, and every two pulleys 48 are connected by a timing belt 4801. A blade 4103 is installed on the positioning shaft 4102. The blade 4103 is driven by sand particles falling on it. The blade 4103 drives the positioning shaft 4102, which in turn drives the centrifugal blades 4101 to generate centrifugal force, thereby extracting water glass from the storage tank 47 and delivering it to the atomizing nozzle 45. Since the blade 4103 is driven by sand particles, when the blade 4103 is no longer driven, the water glass injection stops synchronously, so as to achieve quantitative injection of water glass.
[0025] Furthermore, the adjustment mechanism 5 is linked to the opening and closing of the compartment door 201 to automatically adapt the output frequency of the motor 32 and the atomization degree of the atomizing nozzle 45. It includes an electric push rod 51, a first rack 52, a first gear 53 and a trigger assembly 54. The trigger assembly 54 is connected to the compartment door 201 through a transmission assembly 55. The electric push rod 51 is installed on the top of the mixing cylinder 31. A fixing block 5101 is installed at the output end of the electric push rod 51. A vertical plate 5102 is installed at one end of the fixing block 5101. The vertical plate 5102 is connected to the first rack 52. A limit frame is slidably provided on the first rack 52. The limit frame is installed on the mixing cylinder 31 and is used to limit the movement trajectory of the first rack 52. The first gear 53 is mounted on one of the adjustment knobs 46, and the first gear 53 meshes with the first rack 52; The adjustment mechanism 5 also includes a sliding rheostat 56, which is installed on the mixing cylinder 31. The sliding plate of the sliding rheostat 56 is connected to the fixed block 5101, and the sliding rheostat 56 is electrically connected to the motor 32. The triggering component 54 includes: The first fixed frame 5401 has two positioning plates 5402 fixedly installed inside, dividing the interior of the first fixed frame 5401 into three chambers. Each chamber is equipped with a push switch 5403. The push switch 5403 is electrically connected to the electric push rod 51. The first fixed frame 5401 is equipped with a first guide rod 5404. The first fixed frame 5401 is equipped with an unlocking plate 5405. The three push switches 5403 correspond to the three stroke segments output by the electric push rod 51. Three sliding blocks 5406 are slidably disposed in three chambers and slidably connected to the first guide rod 5404. Each sliding block 5406 has a groove, and a standing block 5407 is slidably disposed in the groove. One end of the standing block 5407 is inclined, and a second return spring 5408 is installed at the bottom of the standing block 5407. The second return spring 5408 is installed in the groove. A third return spring 5409 is installed at one end of each sliding block 5406. The third return spring 5409 is sleeved on the first guide rod 5404, and one end of the third return spring 5409 is installed on the side wall of the chamber. The inclined surface on the standing block 5407 is used to cooperate with the unlocking plate 5405 so that when the standing block 5407 moves to the inclined surface to release the unlocking plate 5405, the subsequent movement will drive the standing block 5407 to move into the groove. The outer wall of the sliding block 5406 has a protrusion, the position of which corresponds to the position of the push switch 5403. The second fixed frame 5410 has a second guide rod 5411 installed inside it; A horizontal block 5412 is slidably disposed within the second fixed frame 5410 and slidably connected to the second guide rod 5411. A second rack 5413 is installed at one end of the horizontal block 5412, and a driving block 5414 is installed on the second rack 5413. The driving block 5414 is used to push the vertical plate 5102 to move. A fourth return spring 5416 is installed at one end of the horizontal block 5412 and is installed within the second fixed frame 5410. The second gear 5415 meshes with the second rack 5413; When the compartment door 201 is opened, the second gear 5415 is driven to rotate via the transmission component 55, causing the second rack 5413 to move. The movement distance of the second rack 5413 is different depending on the opening of different compartment doors 201, thereby matching the triggering of different push switches 5403. When the second rack 5413 moves, the drive block 5414 mounted on it moves synchronously. The movement of the drive block 5414 drives the upright block 5407 to move, which in turn drives the sliding block 5406 to move and compresses the third reset spring 5409. As the sliding block 5406 moves, when the inclined surface of the upright block 5407 contacts the unlocking plate 5405, the re-movement of the sliding block 5406 will cause the upright block 5407 to move synchronously into the groove, compress the second reset spring 5408, and press the push switch 5403 until the drive block 5414 and the upright block 5407 are no longer in contact. When the second rack 5413 performs a reset movement under the force of the fourth reset spring 5416, the drive block 5414 moves towards the inclined surface of the upright block 5407 during this process, so there will be no movement interference. The transmission assembly 55 includes: Three third gears 5501 are respectively mounted on three rotating shafts 204; The fourth gear 5502 meshes with one of the third gears 5501; The fifth gear 5503 meshes with one of the third gears 5501; The sixth gear 5504 meshes with one of the third gears 5501. The fourth gear 5502, the fifth gear 5503 and the sixth gear 5504 have different sizes. The fourth gear 5502 is larger than the fifth gear 5503, which is larger than the sixth gear 5504. Using gears of different sizes can make their transmission ratios different. A first transmission rod 5505 is equipped with three third bevel gears 5506. Each third bevel gear 5506 is meshed with a fourth bevel gear 5507. A ratchet 5508 is rotatably mounted on the fourth bevel gear 5507. The three ratchet wheels 5508 are respectively connected to the three third bevel gears 5506. A connecting rod is mounted on the fourth bevel gear 5507. A pawl 5512 that meshes with the ratchet wheel 5508 is rotatably mounted on the connecting rod. One end of the pawl 5512 is equipped with a spring piece, which is mounted on the fourth bevel gear 5507. The three ratchet wheels 5508 are respectively connected to the fourth gear 5502, the fifth gear 5503, and the sixth gear 5504. The fourth gear 5502, the fifth gear 5503 and the sixth gear 5504 are all rotatably mounted on an extension rod installed on one side of the screening box 11, and the third bevel gear 5506 also rotatably mounts on the extension rod. The fifth bevel gear 5509 is mounted with a second transmission rod 5510. The second gear 5415 is mounted on the second transmission rod 5510. The fifth bevel gear 5509 is meshed with a sixth bevel gear 5511, which is mounted on the first transmission rod 5505. The first transmission rod 5505 is rotatably mounted on the extension block installed on the screening box 11, and the second transmission rod 5510 is rotatably mounted on the extension ring installed on the screening box 11. The electric push rod 51 is controlled by the push switch 5403. When the corresponding push switch 5403 is activated, the electric push rod 51 extends and drives the fixed block 5101 and the first rack 52 to move. The movement of the first rack 52 drives the bottom gear to rotate, which drives the adjustment knob 46 connected to it to rotate through the first gear 53. Under the transmission of the synchronous belt 4801 and the pulley 48, the other adjustment knobs 46 are driven to rotate synchronously, thereby realizing the adjustment of the atomization degree. The fixed block 5101 also moves the contact piece on the sliding rheostat 56 of the synchronous drive 4801, thereby changing the position of the contact piece on the sliding rheostat 56, thus changing the current connected to the motor 32 and realizing the change of the output speed of the motor 32. Support frames are installed on the screening box 11, mixing cylinder 31 and liquid storage tank 47. The mixing cylinder 31 and liquid storage tank 47 share a support frame, which does not contact the support frame used for the screening box 11. The device used for atomization employs an atomizing nozzle 45 with publication number CN21046431021U. The adjustment knob 46 of this device corresponds to the atomization adjustment nut in the aforementioned atomizing nozzle 45. Existing technology is used here, and no further details are provided. For the specific principle, please refer to the original text.
[0026] A device for preparing highly collapsible water glass sand, the working principle of which is as follows: S1: The sand particles are injected into the screening box 11 and the vibration motor 12 is started. The sand particles are classified according to particle size through the sieve plate 13. S2: Automatic door mechanism 2 automatically opens the corresponding unloading chute based on the mass of the sand particles, and the sand particles enter the mixing drum 31; S3: When the door 201 opens, the second rack 5413 is driven to move by the transmission component 55. The opening positions of the first automatic door mechanism 21, the second automatic door mechanism 22 and the third automatic door mechanism 23 drive the second rack 5413 to move to different positions, triggering different push switches 5403, causing the electric push rod 51 to extend to different lengths, matching different atomization levels and stirring speeds. S4: The material enters the feed pipe 3104 and drives the blades, causing the centrifugal blades 4101 to rotate, generating negative pressure, and outputting water glass from the storage chamber to the mixing cylinder 31. S5: As the material enters, the motor 32 starts, drives the stirring rod 33 to work and mix, and drives the hammer 3401 to move, so that the contact between the first contact plate 3404 and the second contact plate 3405 is broken, and the vibration motor 12 is stopped. S6: After mixing is completed, the solenoid valve is opened to discharge the mixture and stop the motor 32, so that the first contact piece 3404 and the second contact piece 3405 come into contact with each other, and the vibration motor 12 starts. S7: Repeat the process from S1 to S6 above.
Claims
1. A device for preparing highly collapsible water glass sand, characterized in that: include: A screening mechanism for screening sand particles includes: a screening box, a vibrating motor and a screen plate, wherein the screening box is provided with a discharge chute; An automatic bin door mechanism, located at the unloading chute, is used to automatically unload the screening box. It includes: a bin door, a torsion spring, and a fixing frame. A mixing mechanism for mixing water glass and sand particles, including a mixing drum, a motor, and a stirring rod; A filling mechanism for filling water glass into a mixing cylinder includes a fixed cylinder, an inlet pipe and an outlet pipe. Several connecting pipes are installed on the outlet pipe. An atomizing nozzle is integrated at the bottom of the connecting pipe. An adjustment knob is provided on the connecting pipe for adjusting the atomization degree of the atomizing nozzle. The adjustment mechanism, which is linked to the opening and closing of the chamber door, is used to automatically adapt the output frequency of the motor and the atomization degree of the atomizing nozzle. It includes an electric push rod, a first rack, a first gear, and a trigger assembly. The trigger assembly is connected to the chamber door through a transmission assembly.
2. The apparatus for preparing highly collapsible water glass sand according to claim 1, characterized in that: The vibration motor is mounted on the screening box to provide vibration force for screening; The screen plate has four sections, each with a screen hole of different size. All sections are installed inside the screening box and are arranged at an angle. The screening box also has a bottom plate installed inside, which is inclined and located below the sieve plate; The number of discharge troughs is five, three of which are distributed on one side wall of the screening box, and the other two discharge troughs are equipped with baffles that can be detached by countersunk bolts and are distributed on the other side wall of the screening box. The discharge troughs correspond to the positions of the screen plate and the bottom plate, respectively. A fixing plate is installed on the screening box, and a cavity with one end open is formed between the fixing plate and the screening box.
3. The apparatus for preparing highly collapsible water glass sand according to claim 1, characterized in that: The automatic door mechanism is provided in three sets, namely the first automatic door mechanism, the second automatic door mechanism and the third automatic door mechanism, which are respectively set in the three unloading troughs on the same side; A rotating shaft is installed on the hopper door, and the rotating shaft is rotatably disposed in the unloading chute. A boss is fixedly provided on the hopper door. A limiting plate is installed on the fixing frame; The torsion spring is sleeved on the fixed frame, with one end mounted on the limiting plate and the other end mounted on the boss.
4. The apparatus for preparing highly collapsible water glass sand according to claim 1, characterized in that: A feed pipe is installed on the mixing cylinder, and the feed pipe is positioned directly below the cavity. A guide block is installed inside the feed pipe, and the guide block is used to guide the feeding trajectory of the sand particles entering the feed pipe. The mixing drum is equipped with a positioning frame and a support frame at the top, and the motor is mounted on the positioning frame. The mixing drum is provided with a discharge pipe at the bottom, and a solenoid valve is installed on the discharge pipe. The stirring rod is rotatably mounted on the mixing cylinder, and its top is connected to the motor output shaft; The mixing cylinder has a through hole for installing a connecting pipe; A cylindrical rod is rotatably mounted on the support frame. A guide groove is formed on the cylindrical rod. A counterweight is mounted on the cylindrical rod. A through hole is formed on the counterweight. The through hole is slidably mounted on the cylindrical rod. A guide block is installed in the through hole. The guide block is slidably mounted in the guide groove. An annular groove is formed on the counterweight. A connecting block is rotatably mounted in the annular groove. The connecting block is slidably mounted on the support frame. A first contact piece is mounted on the connecting block.
5. The apparatus for preparing highly collapsible water glass sand according to claim 4, characterized in that: The support frame is equipped with a second contact piece, which is used to cooperate with the first contact piece. The first contact piece, the second contact piece, and the vibration motor are electrically connected. A first return spring is installed on the support frame. A connecting plate is installed at one end of the first return spring. The connecting plate is slidably mounted on the cylindrical rod. One end of the connecting plate is rotatably connected to the counterweight block. A first bevel gear is mounted on the cylindrical rod, and a second bevel gear meshes with the first bevel gear. The second bevel gear is mounted on the output shaft of the motor.
6. The apparatus for preparing highly collapsible water glass sand according to claim 1, characterized in that: One end of the inlet pipe is installed inside a fixed cylinder, and the other end is equipped with a liquid storage tank; The fixed cylinder is equipped with centrifugal blades that rotate inside. One end of the fixed cylinder is connected to the liquid outlet pipe. A positioning shaft is installed at one end of the centrifugal blades. The positioning shaft is rotatably installed inside the feed pipe. Several blades are installed on the positioning shaft and are positioned below the guide block. Each of the adjustment knobs is equipped with a pulley, and every two pulleys are connected by a timing belt.
7. The apparatus for preparing highly collapsible water glass sand according to claim 1, characterized in that: The electric push rod is installed on the top of the mixing cylinder, and a fixing block is installed at the output end of the electric push rod. A vertical plate is installed at one end of the fixing block, and the vertical plate is connected to the first rack. A limit frame is slidably disposed on the first rack, and the limit frame is mounted on the mixing cylinder; The first gear is mounted on one of the adjustment knobs, and the first gear meshes with the first rack; The adjustment mechanism also includes a sliding rheostat, which is installed on the mixing cylinder. The sliding rheostat's slider is connected to a fixed block, and the sliding rheostat is electrically connected to the motor.
8. The apparatus for preparing highly collapsible water glass sand according to claim 7, characterized in that: The triggering component includes: The first fixed frame has two positioning plates fixedly installed inside, dividing the interior of the first fixed frame into three chambers. Each chamber is equipped with a push switch, which is electrically connected to an electric push rod. The first fixed frame is equipped with a first guide rod, and an unlocking plate is installed on the first fixed frame. Three sliding blocks are slidably disposed in three chambers and slidably connected to the first guide rod. Each sliding block has a groove, and a vertical block is slidably disposed in the groove. One end of the vertical block is inclined, and a second return spring is installed at the bottom of the vertical block. The second return spring is installed in the groove. A third return spring is installed at one end of each sliding block. The third return spring is sleeved on the first guide rod, and one end of the third return spring is installed on the side wall of the chamber. The second fixed frame has a second guide rod installed inside it; A horizontal block is slidably disposed within a second fixed frame and slidably connected to a second guide rod. A second rack is installed at one end of the horizontal block, and a driving block is installed on the second rack. The driving block is used to push the vertical plate to move. A fourth return spring is installed at one end of the horizontal block and is installed within the second fixed frame. The second gear meshes with the second rack.
9. The apparatus for preparing highly collapsible water glass sand according to claim 8, characterized in that: The transmission assembly includes: Three third gears are respectively mounted on three rotating shafts; The fourth gear meshes with one of the third gears; The fifth gear meshes with one of the third gears; The sixth gear meshes with one of the third gears; A first transmission rod is mounted with three third bevel gears, each of which is meshed with a fourth bevel gear. A ratchet is rotatably mounted on the fourth bevel gear. The three ratchets are respectively connected to the three third bevel gears. A connecting rod is mounted on the fourth bevel gear. A pawl that meshes with the ratchet is rotatably mounted on the connecting rod. A spring is disposed at one end of the pawl. The spring is mounted on the fourth bevel gear. The three ratchets are respectively connected to the fourth gear, the fifth gear, and the sixth gear. A fifth bevel gear is mounted on a second transmission rod, the second gear is mounted on the second transmission rod, and a sixth bevel gear meshes with the fifth bevel gear, the sixth bevel gear being mounted on the first transmission rod.
10. The method for preparing water glass sand according to any one of claims 1-9, characterized in that: Includes the following steps: S1: Inject the sand into the screening box and start the vibration motor. The sand passes through the screen plate and is classified according to particle size. S2: The automatic door mechanism automatically opens the corresponding unloading chute based on the mass of the sand particles, and the sand particles enter the mixing drum; S3: The opening of the compartment door drives the second rack to move through the transmission component. The opening positions of the first automatic compartment door mechanism, the second automatic compartment door mechanism and the third automatic compartment door mechanism are different, which triggers different push switches and drives the electric push rod to extend to different lengths, matching different atomization levels and stirring speeds. S4: The material enters the feed pipe and drives the blades, causing the centrifugal blades to rotate, generating negative pressure, and outputting water glass from the storage chamber to the mixing drum. S5； As the material enters, the motor starts, driving the stirring rod to work and mix, and driving the hammer to move, causing the contact between the first and second contact plates to break, thus stopping the vibration motor.