CN217727038U - Automatic blending system for molding sand - Google Patents
Automatic blending system for molding sand Download PDFInfo
- Publication number
- CN217727038U CN217727038U CN202122622751.5U CN202122622751U CN217727038U CN 217727038 U CN217727038 U CN 217727038U CN 202122622751 U CN202122622751 U CN 202122622751U CN 217727038 U CN217727038 U CN 217727038U
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- CN
- China
- Prior art keywords
- cylinder body
- automatic
- agitator tank
- molding sand
- sand
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000002156 mixing Methods 0.000 title claims abstract description 46
- 239000003110 molding sand Substances 0.000 title claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 62
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 description 5
- 239000004927 clay Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
This scheme belongs to dosing unit technical field, concretely relates to molding sand automatic blending system. Including mixing agitator tank and former feed bin, the mixing agitator tank internal rotation is equipped with the pivot, the shell body lateral wall that the mixing agitator tank was passed to pivot one end is connected with the rotating electrical machines, be equipped with stirring vane in the pivot: a first discharging pipeline is arranged at the bottom of the raw material bin, and a baffle plate for closing the first discharging pipeline is hinged to the bottom of the first discharging pipeline; the automatic feeding device is characterized by further comprising a batching device, wherein the batching device comprises a cylinder body and an air bag, a feeding hole and a second discharging pipeline are arranged in the cylinder body, the lower end of the cylindrical barrel is connected with the bottom of the cylinder body, the cylindrical barrel is made of a telescopic material, one end of the air bag is communicated with the sealing cavity, and the other end of the air bag is matched with the baffle; the system can realize the functions of automatic feeding, automatic metering and automatic stirring, is very intelligent, obviously improves the molding sand batching efficiency, and has the advantages of lower labor intensity and high batching accuracy.
Description
Technical Field
This scheme belongs to dosing unit technical field, concretely relates to molding sand automatic blending system.
Background
The molding sand is generally prepared by mixing molding materials such as raw sand for casting, a molding sand binder, an additive and the like according to a certain proportion. The molding sand can be classified into clay sand, water glass sand, cement sand, resin sand, etc. according to the binder used. Clay sand, sodium silicate sand and resin sand are used most. The function of the molding sand in the casting production is extremely important, and the casting waste caused by poor quality of the molding sand accounts for about 30-50% of the total casting waste. The degree of consistency of molding sand stirring is very big to mould shaping effect influence, adopts manual stirring to mix at present mostly, directly pours the raw materials into the agitator tank during the batching and mixes, perhaps pours the raw materials into the agitator tank after other equipment carries out proportion outfit and mixes, has increased the activity duration to cause easily through single stirring mode and mix inhomogeneously.
The application number is CN 202020773850.6's patent discloses a casting molding sand mixing arrangement, which comprises an outer shell, the bottom fixed connection support of shell body, be equipped with oval stirring box with a net in the shell body, the one end fixed connection axostylus axostyle of oval stirring box with a net, a lateral wall connection rotating electrical machines that the shell body was passed in the axostylus axostyle activity, the other end of oval stirring box with a net passes through rotatory axle sleeve swing joint feed steel cylinder, another lateral wall fixed connection just of feed steel cylinder and shell body the opening part of feed steel cylinder is equipped with the hopper, the lateral wall fixed connection of hopper and shell body, the outer puddler one end of lateral wall fixed connection of oval stirring box with a net, the other end fixed connection horizontal pole of outer puddler, the bottom of shell body is equipped with the discharge gate, discharge gate department installs the ejection of compact closing cap.
This scheme drives oval stirring box with a net through the rotating electrical machines and mixes the stirring to the molding sand to carry out the secondary through outer puddler from the molding sand after oval stirring box with a net stirring mixes, be applicable to in the investment casting's of small-size enterprise small-scale production. However, this solution is only suitable for stirring mixed molding sand, and cannot perform the functions of automatic feeding, automatic metering and automatic stirring of raw materials, so that this solution is not suitable for occasions requiring automatic batching.
SUMMERY OF THE UTILITY MODEL
This scheme provides a molding sand automatic blending system that can carry out automatic blending according to raw materials proportion.
In order to reach above-mentioned purpose, this scheme provides a molding sand automatic blending system, including mixing agitator tank and former feed bin, the mixing agitator tank internal rotation is equipped with the pivot, the shell body lateral wall that pivot one end was passed mixing agitator tank is connected with the rotating electrical machines, be equipped with stirring vane in the pivot:
a first discharging pipeline is arranged at the bottom of the raw material bin, and a baffle plate for closing the first discharging pipeline is hinged to the bottom of the first discharging pipeline;
the automatic feeding device is characterized by further comprising a batching device, wherein the batching device comprises a cylinder body and an air bag, a feeding hole and a second discharging pipeline are arranged in the cylinder body, a sealing cavity is arranged in the cylinder body and comprises a movable plate, a cylindrical barrel and a spring, the movable plate is arranged on the inner side wall of the cylinder body in a sliding mode, the upper end of the spring is connected with the movable plate, the lower end of the spring is connected with the bottom of the cylinder body, the upper end of the cylindrical barrel is connected with the movable plate, the lower end of the cylindrical barrel is connected with the bottom of the cylinder body, the cylindrical barrel is made of a telescopic material, one end of the air bag is communicated with the sealing cavity, and the other end of the air bag is matched with a baffle; and the second discharge pipeline is communicated with the mixing and stirring tank.
The principle of the scheme is as follows: different molding sand raw materials are packed into to the former feed bin of the first ejection of compact pipeline of at first according to the raw materials ratio selection different diameters, then pack different molding sand raw materials into respectively in the former feed bin, then, open the valve in former feed bin, make the molding sand raw materials roll-off in the raw materials from first ejection of compact pipeline, then get into dosing unit's feed inlet, then the raw materials gets into and pushes down the fly leaf after the feed inlet, make spring and cylinder section of thick bamboo extruded, the gas in the sealed chamber gets into the gasbag gradually this moment, the fly leaf moves down until corresponding with second ejection of compact pipeline always, then the raw materials in the cylinder body then gets into the agitator tank along second ejection of compact pipeline, simultaneously in the gas in the sealed chamber all gets into the gasbag, the gasbag extension is with the baffle jack-up, and then make different dosing unit's gasbag close the first ejection of compact pipeline in different former feed bins, the ejection of compact is stopped to the raw materials, then when the raw materials advances in the mixing, the motor rotates, and then stir the mixing of different raw materials.
After all raw materials on the fly leaf got into the mixing agitator tank, first spring no longer received pressure, and then upwards propped up the fly leaf through the deformation restoring force of spring, and then the gas in the gasbag reentrants sealed intracavity.
The beneficial effect of this scheme:
1. different diameters are designed according to different raw material proportions through the first discharge pipeline of the raw material bin, so that raw materials in different raw material bins can be proportioned at the same time, raw materials with different weights can be discharged from the first discharge pipeline, and then the automatic batching process can be completed.
2. After the raw materials from different raw material warehouses got into dosing unit, will extrude the gasbag through the gaseous of raw materials self gravity in with sealed intracavity, and then make different dosing unit's gasbag close the first ejection of compact pipeline in raw materials storehouse that corresponds, and then accomplish automatic blowing and self-closing's function, do not need the manual work to close, practice thrift manpower and materials.
3. The system can realize the functions of automatic feeding, automatic metering and automatic stirring, is very intelligent, obviously improves the molding sand batching efficiency, and has the advantages of lower labor intensity and high batching accuracy.
Furthermore, the number of the raw material bins is three, and raw sand, a molding sand binder and auxiliary additives are respectively filled in the three raw material bins. The three raw materials can be used as the raw materials of the molding sand to be proportioned.
Furthermore, three raw material bins correspond to have three dosing units, and three dosing unit's sealed chamber designs according to the raw materials proportion. And then can make the first ejection of compact pipeline in former feed bin close simultaneously and open simultaneously according to raw materials ratio, and then can guarantee the mixing proportion.
Further, the baffle is made of rubber. The baffle that the rubber material was made is light, makes things convenient for the gasbag to jack-up the baffle.
Furthermore, a water adding device is arranged on the mixing and stirring box. When the molding sand raw materials mixes in mixing the agitator tank, add water in toward mixing the agitator tank through the water installation, can make during moisture fully permeates the molding sand, let the abundant hydroscopicity inflation of clay to improve the intensity and the air permeability of molding sand.
Further, a discharge hole is formed in the mixing and stirring box. After the stirring is finished, the discharge port of the mixing and stirring box is opened, and the mixed raw materials are processed and used in the next step.
Drawings
Fig. 1 is a schematic structural diagram of an automatic batching system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the raw material bin and the batching device according to the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings attached hereto include: mixing and stirring box 1, raw material bin 2, rotating shaft 3, rotating motor 4, stirring vane 5, first discharging pipeline 6, baffle 7, cylinder 8, gasbag 9, second discharging pipeline 10, movable plate 11, cylinder 12, spring 13, water adding device 14, discharge gate 15.
The examples are substantially as shown in figures 1-2 of the accompanying drawings:
the utility model provides a molding sand automatic blending system, is equipped with pivot 3 including mixing agitator tank 1 and former feed bin 2, mixing agitator tank 1 internal rotation, and the shell body lateral wall that 3 one ends of pivot were passed mixing agitator tank 1 is connected with rotating electrical machines 4, is equipped with stirring vane 5 in the pivot 3: the mixing and stirring box 1 is provided with a discharge port 15. After the stirring is finished, the discharge port 15 of the mixing and stirring box 1 is opened, and the mixed raw materials are processed and used next time.
A first discharging pipeline 6 is arranged at the bottom of the raw material bin 2, and a baffle 7 for closing the first discharging pipeline 6 is hinged to the bottom of the first discharging pipeline 6; the baffle 7 is made of rubber. The baffle 7 made of rubber is light in weight, and the baffle 7 is convenient to jack up by the air bag 9. The number of the raw material bins 2 is three, and raw sand, a molding sand binder and auxiliary additives are respectively filled in the three raw material bins 2. The three raw materials can be used as the raw materials of the molding sand to be proportioned.
The automatic feeding device is characterized by further comprising a batching device, the batching device comprises a cylinder body 8 and an air bag 9, a feeding port and a second discharging pipeline 10 are arranged in the cylinder body 8, a sealing cavity is arranged in the cylinder body 8 and comprises a movable plate 11, a cylindrical barrel 12 and a spring 13, the movable plate 11 is slidably arranged on the inner side wall of the cylinder body 8, the upper end of the spring 13 is connected with the movable plate 11, the lower end of the spring 13 is connected with the bottom of the cylinder body 8, the upper end of the cylindrical barrel 12 is connected with the movable plate 11, the lower end of the cylindrical barrel 12 is connected with the bottom of the cylinder body 8, the cylindrical barrel 12 is made of a telescopic material, one end of the air bag 9 is communicated with the sealing cavity, and the other end of the air bag 9 is matched with the baffle 7; the second discharge pipeline 10 is communicated with the mixing and stirring tank 1.
The mixing and stirring box 1 is provided with a water adding device 14. When the molding sand raw materials mixes in mixing agitator tank 1, add water through adding water installation 14 toward mixing agitator tank 1 in, can make during moisture fully permeates the molding sand, let the abundant hydroscopic expansion of clay to improve the intensity and the air permeability of molding sand.
The method comprises the following specific operations:
first, can set up a plurality of former feed bin 2 as required, in this embodiment, former feed bin 2 has threely, is equipped with former sand, molding sand binder and assists the thing that adds in three former feed bin 2 respectively, then the diameter of the first ejection of compact pipeline 6 of three former feed bin 2 and the ratio phase-match of three kinds of raw materialss, and the size of dosing unit's sealed chamber also matches with the ratio phase-match of three kinds of raw materialss simultaneously.
Then open the first discharging channel of three raw materials storehouse 2 simultaneously, make the sand raw materials in the raw materials follow roll-off in the first ejection of compact pipeline 6, then get into dosing unit's feed inlet, then the raw materials gets into and down pushes fly leaf 11 behind the feed inlet, make spring 13 and cylinder 12 extruded, the gas in the sealed intracavity gets into in the gasbag 9 gradually this moment, fly leaf 11 moves down until corresponding with second ejection of compact pipeline 10 all the time, then the raw materials in the cylinder body 8 then gets into in the agitator tank along second ejection of compact pipeline 10, simultaneously the gas in the sealed intracavity all enters into in the gasbag 9, gasbag 9 extension is with baffle 7 jack-up, and then make the gasbag 9 of different dosing unit close the first ejection of compact pipeline 6 of different raw materials storehouse 2, raw materials storehouse 2 stops the ejection of compact, then the raw materials gets into when mixing the agitator tank, the motor rotates, and then stir the mixture with different raw materials.
After all the raw materials on the movable plate 11 enter the mixing and stirring box 1, the first spring 13 is no longer under pressure, and then the movable plate 11 is pushed up by the deformation restoring force of the spring 13, and then the gas in the airbag 9 enters the sealing cavity again. Thereby completing the next material feeding and the action of closing the discharge hole 15. Then the raw materials is in mixing agitator tank 1 in the time, through adding water installation 14 toward mixing agitator tank 1 in add water, can make during moisture fully permeates the molding sand, let the abundant hydroscopic swelling of clay to improve the intensity and the air permeability of molding sand.
After the stirring is finished, the discharge port 15 of the mixing and stirring box 1 is opened, and the mixed raw materials are processed and used next time.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. Moulding sand automatic blending system, including mixing agitator tank (1) and former feed bin (2), it is equipped with pivot (3) to mix agitator tank (1) internal rotation, the shell body lateral wall that mixes agitator tank (1) is passed to pivot (3) one end is connected with rotating electrical machines (4), be equipped with stirring vane (5) on pivot (3): the method is characterized in that:
the three raw material bins (2) are provided, and raw sand, a molding sand binder and auxiliary additives are respectively filled in the three raw material bins (2); three material bins (2) are correspondingly provided with three material proportioning devices, and the sealing cavities of the three material proportioning devices are designed according to the proportion of raw materials;
a first discharging pipeline (6) is arranged at the bottom of each raw material bin (2), the diameters of the first discharging pipelines (6) of the three raw material bins (2) are matched with the proportion of the three raw materials, and a baffle (7) for closing the first discharging pipelines (6) is hinged to the bottom of each first discharging pipeline (6);
the automatic feeding device is characterized by further comprising a batching device, the batching device comprises a cylinder body (8) and an air bag (9), a feeding hole and a second discharging pipeline (10) are arranged in the cylinder body (8), a sealing cavity is arranged in the cylinder body (8), the sealing cavity comprises a movable plate (11), a cylindrical barrel (12) and a spring (13), the movable plate (11) is arranged on the inner side wall of the cylinder body (8) in a sliding mode, the upper end of the spring (13) is connected with the movable plate (11), the lower end of the spring (13) is connected with the bottom of the cylinder body (8), the upper end of the cylindrical barrel (12) is connected with the movable plate (11), the lower end of the cylindrical barrel (12) is connected with the bottom of the cylinder body (8), the cylindrical barrel (12) is made of a telescopic material, one end of the air bag (9) is communicated with the sealing cavity, and the other end of the air bag (9) is matched with the baffle plate (7); and the second discharge pipeline (10) is communicated with the mixing and stirring box (1).
2. The automatic sand-dispensing system of claim 1, wherein: the baffle (7) is made of rubber.
3. The automatic molding sand dispensing system according to claim 1, wherein: and a water adding device (14) is arranged on the mixing and stirring box (1).
4. The automatic sand-dispensing system of claim 1, wherein: and a discharge hole (15) is formed in the mixing and stirring box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122622751.5U CN217727038U (en) | 2021-10-29 | 2021-10-29 | Automatic blending system for molding sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122622751.5U CN217727038U (en) | 2021-10-29 | 2021-10-29 | Automatic blending system for molding sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217727038U true CN217727038U (en) | 2022-11-04 |
Family
ID=83812071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122622751.5U Expired - Fee Related CN217727038U (en) | 2021-10-29 | 2021-10-29 | Automatic blending system for molding sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217727038U (en) |
-
2021
- 2021-10-29 CN CN202122622751.5U patent/CN217727038U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221104 |