CN220659128U - Molding sand quantitative proportioning device in casting industry - Google Patents

Abstract

The utility model relates to a foundry industry molding sand ration proportioning device relates to metallurgical roll field, it includes the sand mixer, the upper end intercommunication of sand mixer has sand to weigh storehouse and clay to weigh the storehouse, all be equipped with the weighing sensor who is used for measuring weight in sand to weigh storehouse and the clay storehouse, weighing sensor sets up respectively in the lower terminal surface in sand to weigh storehouse and clay to weigh the storehouse, sand to weigh the storehouse and clay to weigh the up end in storehouse all is equipped with the inlet pipe, the side in sand to weigh storehouse and clay to weigh the storehouse is equipped with the communicating pipe that is used for the intercommunication sand mixer, the communicating pipe all sets up in sand to weigh the storehouse and clay to weigh the lower extreme in storehouse, the one end that the communicating pipe kept away from the sand mixer all is equipped with the communicating valve, one side of sand mixer is equipped with the water tank, be linked together through the inlet tube between water tank and the sand mixer, the one end that the one end of inlet tube is close to the water tank is equipped with the suction pump, the one end that the inlet tube is close to the sand mixer is equipped with the electronic flowmeter that is used for measuring the water yield, the one end that the inlet tube is close to the electronic flowmeter is equipped with the inlet valve. The application has the effect of improving production efficiency.

Description

Molding sand quantitative proportioning device in casting industry

Technical Field

The application relates to the field of metallurgical rollers, in particular to a molding sand quantitative proportioning device in the casting industry.

Background

The casting sand mixer is equipment for mixing sand materials, is usually used in a molding sand preparation process in the casting industry, and can uniformly mix sand materials with different granularity and different types to meet the requirements of casting technology on the sand materials.

Aiming at the related technology, the unstable proportion of the sand discharge amount and the soil discharge amount of the casting sand mixer system each time can cause the strength of the sand mould to be high or low, the sand mould with low strength is easy to collapse or cause slag inclusion in the casting process, and the sand mould with high strength is easy to crack during baking and is broken in the casting process, so that the efficiency of industrial production is seriously affected.

Disclosure of Invention

In order to improve the phenomenon that the production efficiency is influenced due to unstable proportion of sand output and soil output of a casting sand mixer system, the application provides a molding sand quantitative proportioning device in the casting industry.

The application provides a foundry industry molding sand ration proportioning device adopts following technical scheme:

the utility model provides a foundry industry molding sand ration proportioning device, includes the sand mixer, the upper end intercommunication of sand mixer has sand to weigh storehouse and clay to weigh the storehouse, all be equipped with the weighing sensor who is used for measuring weight in sand to weigh storehouse and the clay storehouse, weighing sensor sets up respectively in the lower terminal surface of sand to weigh storehouse and clay to weigh the storehouse, sand to weigh the up end in storehouse and clay to weigh the storehouse all is equipped with the inlet pipe, the side of sand to weigh storehouse and clay to weigh the storehouse is equipped with the communicating pipe that is used for the intercommunication sand mixer, communicating pipe all sets up in sand to weigh the storehouse and clay to weigh the lower extreme in storehouse, the one end that the communicating pipe kept away from the sand mixer all is equipped with the intercommunication valve, one side of sand mixer is equipped with the water tank, be linked together through the inlet tube between water tank and the sand mixer, the one end that the one end of inlet tube is close to the water tank is equipped with the suction pump, the one end that the inlet tube is close to the sand mixer is equipped with the electronic flowmeter who is used for measuring the water yield, the one end that the inlet tube is close to the electronic flowmeter is equipped with the inlet valve.

Through adopting above-mentioned technical scheme, when needing to mix the molding sand raw materials ratio, the staff adds sand and clay to sand weighing storehouse and clay weighing storehouse from the inlet pipe respectively to monitor real-time weight through weighing sensor, when the weight of sand and clay reached the default respectively, open the communication valve, make sand and clay get into in the sand mixer, then start the suction pump and make water added into the sand mixer, and through electronic flowmeter control water yield, when reaching the default, close water intaking valve and suction pump, then accomplish subsequent processing in the sand mixer, the sand mould ratio of having handled through the device is accurate, avoid causing sand mould intensity or high or low, the quality problem defect such as sand collapse, sand crack, casting clamp slag that cause because of the molding in the production process has been stopped, be favorable to improving production quality.

Optionally, all be equipped with the push pedal that is used for being convenient for the raw materials to carry in sand weighing bin and the clay weighing bin, the push pedal is all vertical to be set up, and the push pedal all extends along sand weighing bin width direction and sets up, and the push pedal respectively with sand weighing bin and clay weighing bin's lower terminal surface sliding connection, sand weighing bin and clay weighing bin's side all are equipped with defeated material cylinder, defeated material cylinder sets up with the push pedal is perpendicular, and defeated material cylinder's piston rod is connected with the push pedal respectively.

Through adopting above-mentioned technical scheme, when the weight in sand weighing storehouse and clay weighing storehouse reaches the default, the staff starts the defeated material cylinder, and the piston rod of defeated material cylinder drives the push pedal and is reciprocating motion to make raw and other materials enter into communicating pipe, avoid raw and other materials to stagnate in sand weighing storehouse and clay weighing storehouse, reduced the error, be favorable to improving production efficiency.

Optionally, the up end of sand mixer is equipped with driving motor, and driving motor sets up perpendicularly in the up end of sand mixer, is equipped with the axis of rotation in the sand mixer, and axis of rotation and driving motor's output shaft coaxial coupling, the outside cover of axis of rotation are equipped with spiral stirring leaf, and spiral stirring leaf extends along axis of rotation length direction and sets up.

Through adopting above-mentioned technical scheme, when needing to mix the raw materials in the sand mixer, the staff starts driving motor, driving motor's output shaft drives the axis of rotation motion to make spiral stirring leaf carry out abundant stirring to the raw materials, can make stirring raw materials carry out intensive mixing and shearing through setting up spiral stirring leaf, make the mixing more even, reach better mixing effect, be favorable to improving production quality.

Optionally, the one end that the axis of rotation is close to driving motor is equipped with the connecting rod, and the connecting rod sets up perpendicularly with the axis of rotation, and the one end and the axis of rotation fixed connection of connecting rod, the one end that the axis of rotation was kept away from to the connecting rod are equipped with the scraper blade that is used for preventing the raw materials absorption at the sand mixer inner wall, scraper blade sliding connection and the inner wall department of sand mixer.

Through adopting above-mentioned technical scheme, when needing to mix the raw materials in the sand mixer, partial mixture can adsorb the inner wall department at the sand mixer, is difficult to clear up, can make the raw materials clear up the inner wall of sand mixer when stirring through setting up the scraper blade, prevents that the mixture from adsorbing the inner wall department at the sand mixer, is favorable to improving the life of device.

Optionally, the one end that driving motor was kept away from to the sand mixer is the funnel shape, and the discharge gate has been seted up to the bottom of sand mixer, and the discharge gate department of sand mixer is connected with the discharging pipe, and the one end that the discharging pipe is close to the sand mixer is equipped with the bleeder valve.

Through adopting above-mentioned technical scheme, when needing to collect the mixture, the staff opens the bleeder valve, and the mixture flows from the discharging pipe, through setting up funnel-shaped structure, prevents that the mixture from detaining in the sand mixer, has reduced the waste of mixture, is favorable to improving the utilization ratio of resource.

Optionally, the one end that the sand mixer was kept away from to the inlet pipe all is equipped with the casing, and the casing slope sets up, and the casing is the cavity, is equipped with the auger shaft in the casing, and the outside cover of auger shaft is equipped with the screw conveying leaf, and the screw conveying leaf extends along auger shaft length direction and sets up, and the one end that the casing is close to the inlet pipe is equipped with conveying motor, conveying motor's output shaft and auger shaft coaxial coupling, and conveying motor's one end was kept away from to the casing is equipped with the feed inlet.

Through adopting above-mentioned technical scheme, when needing to carry raw and other materials to the device in, the staff adds the raw and other materials from the feed inlet, then starts conveying motor, and conveying motor's output shaft drives auger shaft motion to make the screw conveying leaf drive the raw and other materials carry in the inlet pipe, the process is simple and direct easily understandable, is favorable to improving work efficiency.

Optionally, a collecting box for collecting external water resources is arranged at the upper end of the water tank, a collecting pipe is arranged between the collecting box and the water tank, the collecting pipe is communicated with the collecting box and the water tank, and a collecting valve is arranged at one end of the collecting pipe, which is close to the collecting box.

Through adopting above-mentioned technical scheme, when equipment is in the state of stopping, the collecting box can collect external water resource to in adding the water tank through the collecting pipe, rationally utilized external water resource, practiced thrift the resource, be favorable to improving the utilization ratio of resource.

Optionally, a filter screen is arranged in the collecting box, and the filter screen is horizontally arranged at the inner wall of the collecting box.

Through adopting above-mentioned technical scheme, can filter the impurity in the water tank through setting up the filter screen, avoid aquatic impurity to influence the quality of mixture, be favorable to improving production quality.

To sum up, the application includes the following beneficial technical effect of at least one foundry industry molding sand ration proportioning device:

1. through setting up sand mixer, sand weighing storehouse, clay weighing storehouse, weighing sensor, the inlet pipe, communicating pipe, the communication valve, the water tank, the inlet tube, suction pump and electronic flowmeter, when needing to carry out the ratio mix with the molding sand raw materials, the staff adds sand and clay to sand weighing storehouse and clay weighing storehouse from the inlet pipe respectively, and monitor real-time weight through weighing sensor, when the weight of sand and clay reaches the default respectively, open the communication valve, make sand and clay enter into the sand mixer, then start the suction pump and make water add into the sand mixer, and monitor the water yield through electronic flowmeter, when reaching the default, close inlet valve and suction pump, then accomplish subsequent handling in the sand mixer, the sand mould ratio that has handled through the device is accurate, avoid causing sand mould intensity or high or low, the quality defects such as sand collapse crack, casting clamp slag etc. that the molding arouses in the production process have been stopped, be favorable to improving production quality.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a molding sand quantitative proportioning device in the foundry industry.

Fig. 2 is a schematic cross-sectional structure of a molding sand quantitative proportioning device in the foundry industry.

Reference numerals illustrate: 1. a conveying member; 11. a housing; 12. an auger shaft; 13. spiral conveying leaves; 14. a conveying motor; 15. a feed pipe; 16. a feed inlet; 2. a weighing piece; 21. sand weighing bin; 22. a clay weighing bin; 23. a weighing sensor; 24. a push plate; 25. an electronic flowmeter; 26. a water inlet pipe, 27 and a water tank; 271. a water pump; 272. a water inlet valve; 273. a collection box; 274. a collection pipe; 275. a filter screen; 276. a collection valve; 28. a material conveying cylinder; 29. a communicating pipe; 291. a communication valve; 3. a stirring member; 31. a sand mixer; 32. a driving motor; 33. a rotating shaft; 34. spiral stirring blades; 35. a connecting rod; 36. a scraper; 37. a discharge port; 38. a discharge pipe; 39. and a discharge valve.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a casting trade molding sand ration proportioning device.

Referring to fig. 1, a molding sand quantitative proportioning device in the casting industry comprises a conveying member 1, a weighing member 2 and a stirring member 3, wherein the conveying member 1 is obliquely arranged, the conveying member 1 is communicated with the weighing member 2, and the weighing member 2 is communicated with the stirring member 3. The conveying part 1 conveys raw materials, the weighing part 2 accurately weighs the raw materials, and the stirring part 3 stirs and shapes the raw materials.

Referring to fig. 1 and 2, the conveying member 1 includes a casing 11, an auger shaft 12, a spiral conveying blade 13 and a conveying motor 14, the casing 11 is arranged in an inclined manner, the casing 11 is a hollow cavity, the auger shaft 12 is arranged in the casing 11, the spiral conveying blade 13 is sleeved on the outer side of the auger shaft 12, the spiral conveying blade 13 extends along the length direction of the auger shaft 12, the conveying motor 14 is arranged at one end of the casing 11, an output shaft of the conveying motor 14 is coaxially connected with the auger shaft 12, one end of the casing 11, far away from the conveying motor 14, is provided with a feed inlet 16, one end of the casing 11, close to the conveying motor 14, is provided with a feed pipe 15, the feed pipe 15 is arranged vertically, and one end of the feed pipe 15, far away from the casing 11, is communicated with the weighing member 2.

Referring to fig. 1 and 2, when raw materials need to be conveyed into the device, a worker adds the raw materials from a feed inlet 16, then starts a conveying motor 14, and an output shaft of the conveying motor 14 drives a packing auger shaft 12 to move, so that a spiral conveying blade 13 drives the raw materials to be conveyed into a feed pipe 15, the process is simple and easy to understand, and the work efficiency is improved.

Referring to fig. 1 and 2, the weighing piece 2 includes sand weighing bin 21, clay weighing bin 22, two weighing sensors 23, two push plates 24, electronic flowmeter 25, inlet tube 26 and water tank 27, sand weighing bin 21 and clay weighing bin 22 set up respectively with discharging pipe 38 and keep away from the one end of casing 11, discharging pipe 38 is linked together with sand weighing bin 21 and clay weighing bin 22 respectively, two weighing sensors 23 set up respectively in the lower terminal surface of sand weighing bin 21 and clay weighing bin 22, two push plates 24 set up respectively in sand weighing bin 21 and clay weighing bin 22, push plates 24 all set up vertically, push plates 24 all are with sand weighing bin 21 and clay weighing bin 22 sliding connection, one side that push plates 24 is close to casing 11 all is equipped with defeated material cylinder 28, the piston rod of defeated material cylinder 28 is connected with push plates 24 respectively, defeated material cylinder 28 sets up perpendicularly with push plates 24, sand weighing bin 21 and clay weighing bin 22 all are set up in the top of stirring piece 3, the side of clay weighing bin 21 and clay weighing bin 22 all is equipped with the inlet valve 29 that is used for communicating piece 3, 29 keeps away from the one end of mixer 31 and is equipped with inlet tube 26 that is close to one end of water tank 27 that is equipped with electronic flowmeter 27, the one end that is close to the water tank 26 that is equipped with electronic flowmeter 27 and is equipped with water tank 27, the water inlet tube 25 that is close to the stirring piece 25 that is equipped with the stirring piece is equipped with electronic flowmeter 27, the water inlet tube is set up between the water tank 25 and is close to the stirring piece 25.

Referring to fig. 1 and 2, when sand and clay raw materials are required to be mixed in proportion, a worker respectively adds sand and clay from a feed pipe 15 to a sand weighing bin 21 and a clay weighing bin 22, monitors the weight of the sand and clay in real time through a weighing sensor 23, opens a communication valve 291 when the weight of the sand and clay respectively reaches a preset value, starts a material conveying cylinder 28, a piston rod of the material conveying cylinder 28 drives a push plate 24 to reciprocate, so that raw materials enter a communication pipe 29, and then the sand and clay enter a stirring piece 3, then starts a water suction pump 271 to enable water to be added into the stirring piece 3, monitors the water quantity through an electronic flowmeter 25, closes a water inlet valve 272 and the water suction pump 271 when the preset value is reached, then completes subsequent treatment in the stirring piece 3, and the proportion processed through the device is accurate, avoids causing sand mould strength or high or low, avoids quality defects of sand collapse, cracks, casting slag and the like caused by moulding in the production process, and is beneficial to improving the production quality.

Referring to fig. 1 and 2, a collecting tank 273 for collecting external water resources is provided at an upper end of the water tank 27, a collecting pipe 274 is provided between the collecting tank 273 and the water tank 27, the collecting pipe 274 communicates the collecting tank 273 and the water tank 27, a filter screen 275 is provided in the collecting tank 273, the filter screen 275 is disposed in parallel with a lower end surface of the collecting tank 273, the filter screen 275 is fixedly connected to an inner wall of the collecting tank 273, and a collecting valve 276 is provided at an end of the collecting pipe 274 remote from the collecting tank 273. When the equipment is in a stop state, the collecting box 273 can collect external water resources, and the external water resources are added into the water tank 27 through the collecting pipe 274, so that the external water resources are reasonably utilized, impurities in the water tank 27 can be filtered through the filter screen 275, the quality of the mixture is prevented from being influenced by the impurities in the water, and the production quality is improved.

Referring to fig. 1 and 2, stirring member 3 includes sand mixer 31, driving motor 32, axis of rotation 33, spiral stirring leaf 34, connecting rod 35, scraper blade 36, discharge gate 37, discharging pipe 38 and bleeder valve 39, sand mixer 31 vertical setting, the up end of sand mixer 31 is linked together with two communicating pipes 29, the side of sand mixer 31 is linked together with inlet tube 26, driving motor 32 sets up in the up end of sand mixer 31, driving motor 32 sets up perpendicularly with the up end of sand mixer 31, the output shaft and axis of rotation 33 coaxial coupling of driving motor 32, axis of rotation 33 sets up in sand mixer 31, spiral stirring leaf 34 cover locates the outside of axis of rotation 33, spiral stirring leaf 34 extends along axis of rotation 33 length direction and sets up, connecting rod 35 fixed connection is close to the one end of driving motor 32 in axis of rotation 33, connecting rod 35 sets up perpendicularly with axis of rotation 33, scraper blade 36 sets up in the one end that connecting rod 35 kept away from axis of rotation 33, scraper blade 36 sliding connection is in the inner wall department of sand mixer 31, the one end that the funnel of sand mixer 31 kept away from driving motor 32 is the shape, discharge gate 37 sets up in the lower terminal surface of sand mixer 31, the vertical setting of pipe 38 is located in the vertical setting up of sand mixer 31, the bleeder valve 39 is close to the one end of sand mixer 31.

Referring to fig. 1 and 2, when the raw materials in the sand mixer 31 need to be mixed, a worker starts the driving motor 32, and the output shaft of the driving motor 32 drives the rotating shaft 33 to move, so that the spiral stirring blade 34 sufficiently stirs the raw materials, however, part of the mixture can be adsorbed on the inner wall of the sand mixer 31 and is difficult to clean, the scraper 36 is arranged to clean the inner wall of the sand mixer 31 when the raw materials are stirred, the mixture is prevented from being adsorbed on the inner wall of the sand mixer 31, when the mixture needs to be collected, the worker opens the discharge valve 39, the mixture flows out from the discharge pipe 38, and the mixture is prevented from being detained in the sand mixer 31 by arranging the funnel-shaped structure, so that the waste of the mixture is reduced, and the resource utilization rate is improved.

The implementation principle of the molding sand quantitative proportioning device in the casting industry is as follows: when the molding sand raw materials are required to be mixed in proportion, a worker respectively adds sand and clay into the sand weighing bin 21 and the clay weighing bin 22 from the feed pipe 15, monitors the real-time weight through the weighing sensor 23, opens the communication valve 291 when the weights of the sand and the clay respectively reach the preset value, starts the material conveying cylinder 28, the piston rod of the material conveying cylinder 28 drives the push plate 24 to reciprocate, so that the raw materials enter the communication pipe 29, the sand and the clay enter the sand mixer 31, then starts the water pump 271 to enable water to be added into the sand mixer 31, monitors the water quantity through the electronic flowmeter 25, closes the water inlet valve 272 and the water pump 271 when the preset value is reached, and then starts the driving motor 32 to fully stir the mixture.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a foundry industry molding sand ration proportioning device, includes sand mixer (31), its characterized in that: the upper end of the sand mixer (31) is communicated with a sand weighing bin (21) and a clay weighing bin (22), weighing sensors (23) for measuring weight are arranged in the sand weighing bin (21) and the clay weighing bin (22), the weighing sensors (23) are respectively arranged on the lower end surfaces of the sand weighing bin (21) and the clay weighing bin (22), feeding pipes (15) are respectively arranged on the upper end surfaces of the sand weighing bin (21) and the clay weighing bin (22), communicating pipes (29) for communicating the sand mixer (31) are arranged on the side surfaces of the sand weighing bin (21) and the clay weighing bin (22), communicating pipe (29) all set up in sand weighing bin (21) and clay weighing bin (22) lower extreme, the one end that the sand mixer (31) was kept away from to communicating pipe (29) all is equipped with communication valve (291), one side of sand mixer (31) is equipped with water tank (27), be linked together through inlet tube (26) between water tank (27) and the sand mixer (31), the one end that the one end of inlet tube (26) is close to water tank (27) is equipped with suction pump (271), the one end that the inlet tube (26) is close to sand mixer (31) is equipped with electronic flowmeter (25) that are used for measuring the water yield, the one end that the inlet tube (26) is close to electronic flowmeter (25) is equipped with water intaking valve (272).

2. The foundry industry sand quantitative proportioning device of claim 1, wherein: the sand weighing bin (21) and the clay weighing bin (22) are internally provided with pushing plates (24) for facilitating raw material conveying, the pushing plates (24) are vertically arranged, the pushing plates (24) are arranged in an extending mode along the width direction of the sand weighing bin (21), the pushing plates (24) are respectively connected with the lower end faces of the sand weighing bin (21) and the clay weighing bin (22) in a sliding mode, the side faces of the sand weighing bin (21) and the clay weighing bin (22) are respectively provided with a conveying cylinder (28), the conveying cylinders (28) are vertically arranged with the pushing plates (24), and piston rods of the conveying cylinders (28) are respectively connected with the pushing plates (24).

3. The foundry industry sand quantitative proportioning device of claim 1, wherein: the sand mixer is characterized in that a driving motor (32) is arranged on the upper end face of the sand mixer (31), the driving motor (32) is vertically arranged on the upper end face of the sand mixer (31), a rotating shaft (33) is arranged in the sand mixer (31), the rotating shaft (33) is coaxially connected with an output shaft of the driving motor (32), a spiral stirring blade (34) is sleeved on the outer side of the rotating shaft (33), and the spiral stirring blade (34) extends along the length direction of the rotating shaft (33).

4. A foundry industry sand proportioning device in accordance with claim 3, wherein: one end that axis of rotation (33) is close to driving motor (32) is equipped with connecting rod (35), and connecting rod (35) set up perpendicularly with axis of rotation (33), and one end and axis of rotation (33) fixed connection of connecting rod (35), one end that axis of rotation (33) were kept away from to connecting rod (35) are equipped with scraper blade (36) that are used for preventing the raw materials absorption at the inner wall of sand mixer (31), scraper blade (36) sliding connection and the inner wall department of sand mixer (31).

5. The foundry industry sand quantitative proportioning device of claim 1, wherein: one end of the sand mixer (31) far away from the driving motor (32) is funnel-shaped, a discharge hole (37) is formed in the bottom end of the sand mixer (31), a discharge pipe (38) is connected to the discharge hole (37) of the sand mixer (31), and a discharge valve (39) is arranged at one end of the discharge pipe (38) close to the sand mixer (31).

6. The foundry industry sand quantitative proportioning device of claim 1, wherein: the one end that sand mixer (31) was kept away from to inlet pipe (15) all is equipped with casing (11), casing (11) slope sets up, casing (11) are the cavity, be equipped with auger shaft (12) in casing (11), the outside cover of auger shaft (12) is equipped with auger delivery blade (13), auger delivery blade (13) extend along auger shaft (12) length direction and set up, the one end that casing (11) is close to inlet pipe (15) is equipped with conveyor motor (14), the output shaft and the auger shaft (12) coaxial coupling of conveyor motor (14), the one end that conveyor motor (14) was kept away from to casing (11) is equipped with feed inlet (16).

7. The foundry industry sand quantitative proportioning device of claim 1, wherein: the upper end of water tank (27) is equipped with collection box (273) that are used for collecting external water resource, is equipped with collecting pipe (274) between collection box (273) and water tank (27), collecting pipe (274) intercommunication collection box (273) and water tank (27), and one end that collecting pipe (274) is close to collection box (273) is equipped with collecting valve (276).

8. The foundry industry sand proportioning device of claim 7, wherein: a filter screen (275) is arranged in the collecting box (273), and the filter screen (275) is horizontally arranged at the inner wall of the collecting box (273).