CN112846072B - Sand mixing system based on precoated sand pretreatment - Google Patents
Sand mixing system based on precoated sand pretreatment Download PDFInfo
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- CN112846072B CN112846072B CN202011640356.3A CN202011640356A CN112846072B CN 112846072 B CN112846072 B CN 112846072B CN 202011640356 A CN202011640356 A CN 202011640356A CN 112846072 B CN112846072 B CN 112846072B
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- 239000004576 sand Substances 0.000 title claims abstract description 119
- 238000002156 mixing Methods 0.000 title abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 131
- 239000002994 raw material Substances 0.000 claims abstract description 58
- 238000011049 filling Methods 0.000 claims abstract description 19
- 239000011344 liquid material Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000011068 loading method Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 210000002489 tectorial membrane Anatomy 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0463—Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0472—Parts; Accessories; Controlling; Feeding; Discharging; Proportioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a sand mixing system based on precoated sand pretreatment, which comprises a pretreatment device, a pre-filling device, a liquid material supply device, a stirring device, a material receiving device and a conveying device, wherein the pretreatment device is used for heating raw sand, the pre-filling device is used for storing the heated raw sand and supplying sand to the stirring device, the liquid material supply device is used for storing required liquid material and supplying the liquid material to the stirring device, the stirring device is used for stirring the raw sand and various raw materials, and the conveying device is used for conveying the stirred raw materials to the material receiving device. The system can preheat the raw sand, ensure the mixing rate of the raw materials and complete the operations of sand adding, sand mixing and sand loading; make the raw materials can move to the edge when stirring through central stirring part, will be located the raw materials of staving bottom through edge conveyor components and upwards carry for all raw materials can both carry out intensive mixing, prevent the caking or stir inhomogeneous phenomenon.
Description
Technical Field
The invention relates to the technical field of precoated sand manufacturing, in particular to a sand mixing system based on pretreatment of precoated sand.
Background
The precoated sand is molding sand or core sand with a layer of solid resin film coated on the surface of sand grains before molding. Currently, the current practice is. In cold winter, the reaction time of the resin curing agent is long during molding due to low temperature, and the sand mold is not easy to harden, thereby easily causing the quality problem of the sand mold. And the preparation of tectorial membrane sand also needs to put into temperature compensation device earlier the former sand and preheat to the required temperature, and the sand processing line of mill transports the in-process of sand material to the roller mill through sending device, and external environment temperature causes very big influence to the temperature of sand material. The raw sand is low in temperature, the mixing efficiency is low, the quality problem of the sand mold is easily caused, the production efficiency is reduced, and a large amount of cost waste is caused. And the existing sand mixer has caking phenomenon, and the stirring is uneven, which brings inconvenience to the production of the precoated sand.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and title of the application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art sand mixing system.
Therefore, the invention aims to solve the problems of uneven stirring and low mixing efficiency of the existing sand mixing system.
In order to solve the technical problems, the invention provides the following technical scheme: a sand mixing system based on precoated sand pretreatment comprises a pretreatment device, a sand mixer and a sand mixer, wherein the pretreatment device is used for heating raw sand; the pre-filling device is used for storing the heated raw sand and supplying the heated raw sand to the stirring device, and the bottom of the pre-filling device is provided with a supply port which can be opened and closed; the liquid material supply device is used for storing required liquid materials and supplying the liquid materials to the stirring device; the stirring device is used for stirring the raw sand and other various raw materials; the receiving device is used for containing the stirred mixed sand; the stirring device comprises a barrel body and a stirring part, wherein the stirring part is used for stirring raw materials in the barrel body and comprises a central stirring part and an edge conveying part; the central stirring part is used for stirring the raw materials in the middle of the barrel body and pushing the raw materials to the edge, and the edge conveying part is used for conveying the raw materials at the bottom of the barrel body upwards.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: still include conveyor for carry the raw materials that will stir to material collecting device, the staving side is provided with the ejection of compact window that can open and shut, conveyor set up in ejection of compact window department.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: the top of the pre-filling device is provided with a loading window which can be opened and closed, and the side of the pre-filling device is provided with a drawing baffle which controls the opening and closing of the feed port.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: the pre-treatment device is an electric heating box, the conveying device is a belt conveyor, and the outer surface of the pre-filling device is wrapped with a heat insulation material.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: the central stirring part is arranged at the central position of the barrel body and comprises a driving motor, a first cylinder connected with the output end of the driving motor and a plurality of first stirring pieces connected to the first cylinder and playing a stirring role.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: first stirring piece is including the level to be fixed plate on the first cylinder to and vertical setting and through the fixed plate carries out the stirring post that fixes, the stirring post is provided with 2 at least, and adjacent leave the clearance between the stirring post.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: the edge conveying part comprises an inner gear ring fixed at the upper end of the barrel body, a first gear meshed with the inner gear ring, a second cylinder fixedly connected with the first gear, a rotating plate fixed on the first cylinder and rotationally matched with the second cylinder, and a helical blade fixed on the second cylinder.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: the stirring device further comprises an additional stirring unit and a vibrating motor, wherein the additional stirring unit comprises a second gear, a third cylinder which is connected with the second gear and is in rotating fit with the rotating plate, and a stirring rod arranged on the third cylinder; the stirring rod is a square wood rod, and the number of the second gear teeth is smaller than that of the fixed gear teeth.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: a plurality of additional stirring units are arranged on the same rotating plate, and the second gears of the additional stirring units are meshed in sequence; the stirring rods of the plurality of additional stirring units are arranged in a staggered mode.
As a preferable scheme of the sand mulling system based on pre-treatment of precoated sand, the sand mulling system comprises: the edge conveying components are arranged on the same rotating plate, the first gears of the edge conveying components are meshed in sequence, and the spiral directions of two adjacent spiral blades are opposite.
The invention has the advantages that the raw sand can be preheated, the raw material mixing rate is ensured, and the sand adding, sand mixing and sand loading operation can be completed; make the raw materials can move to the edge when stirring through central stirring part, will be located the raw materials of staving bottom through edge conveyor components and upwards carry for all raw materials can both carry out intensive mixing, prevent the caking or stir inhomogeneous phenomenon.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a block diagram of a sand mulling system based on pre-treatment of precoated sand in example 1.
FIG. 2 is a block diagram of a prefill device of the sand mulling system based on pre-treatment of precoated sand in example 1.
Fig. 3 is a structural view of a stirring device of a sand mulling system based on pre-treatment of precoated sand in example 1.
Fig. 4 is a structural view of a central stirring part, an edge conveying part and an additional stirring unit of the sand mixing system based on precoated sand pretreatment in example 1.
Fig. 5 is a diagram of a first stirring member of a sand mixing system based on precoated sand pretreatment in example 1.
FIG. 6 is a schematic diagram of a pre-filling device and a stirring device of a sand mixing system based on pre-treatment of precoated sand in example 1.
Fig. 7 is a schematic view of a plurality of additional stirring units of the sand mulling system based on precoated sand pretreatment in example 1.
FIG. 8 is a schematic view of the edge delivery components of the coated sand pretreatment based blending system of example 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 8, for a first embodiment of the present invention, the embodiment provides a sand mixing system based on precoated sand pretreatment, the sand mixing system based on precoated sand pretreatment comprises a pretreatment device 100, a pre-filling device 200, a liquid material supply device 300, a stirring device 400, a material receiving device 500 and a conveying device 600, wherein the pretreatment device 100 is used for heating raw sand, the pre-filling device 200 is used for storing the heated raw sand, and supplies sand to the stirring device 400, the bottom of the pre-filling device 200 is provided with a supply port 201 which can be opened and closed, the liquid material supply device 300 is used for storing required liquid materials and supplying the liquid materials to the stirring device 400, the stirring device 400 is used for stirring raw sand and other various raw materials, the conveying device 600 is used for conveying the stirred raw materials to the receiving device 500, and the receiving device 500 is used for containing the stirred mixed sand.
Specifically, the stirring device 400 includes a barrel 401 and a stirring part 402, the barrel 401 is used for containing the raw material to be stirred, and the stirring part 402 is used for stirring the raw material in the barrel 401 and includes a central stirring part 402a and an edge conveying part 402 b.
The central stirring part 402a is used for stirring the raw material in the middle of the barrel 401 and pushing the raw material to the edge, and the edge delivering part 402b is used for delivering the raw material at the bottom of the barrel 401 upward.
The side of the barrel body 401 is provided with a discharge window 401a capable of being opened and closed, and the conveying device 600 is arranged at the discharge window 401 a.
Further, the top of the pre-filling device 200 is provided with a loading window 202 capable of opening and closing, and the side is provided with a drawing baffle 203 for controlling the opening and closing of the feed port 201.
Preferably, the pretreatment device 100 is an electric heating box, the conveyor 600 is a belt conveyor, and the outer surface of the pre-filling device 200 is wrapped with a thermal insulation material.
Further, the central stirring part 402a is disposed at the central position of the barrel 401, and includes a driving motor 402a-1, a first cylinder 402a-2 connected to an output end of the driving motor 402a-1, and a plurality of first stirring members 402a-3 connected to the first cylinder 402a-2 for stirring.
The first stirring piece 402a-3 comprises a fixing plate 402a-31 horizontally fixed on the first cylinder 402a-2 and stirring columns 402a-32 vertically arranged and fixed through the fixing plate 402a-31, wherein at least 2 stirring columns 402a-32 are arranged, gaps are reserved between the adjacent stirring columns 402a-32, the gaps are generally 5-10 mm, and if the gaps are too small, the stirring action cannot be achieved, and the function of pushing raw materials to the edge can only be achieved; if the clearance is too big, then can't play the marginal propelling movement effect, can only play certain stirring effect.
Further, the rim conveying part 402b includes an inner gear 402b-1 fixed to an upper end of the tub 401, a first gear 402b-2 engaged with the inner gear 402b-1, a second cylinder 402b-3 fixedly connected to the first gear 402b-2, a rotating plate 402b-4 fixed to the first cylinder 402a-2 and rotatably engaged with the second cylinder 402b-3, and a spiral blade 402b-5 fixed to the second cylinder 402 b-3.
Preferably, the stirring apparatus further comprises an additional stirring unit 403 and a vibration motor 404, wherein the additional stirring unit 403 comprises a second gear 403b, a third cylinder 403c connected to the second gear 403b and rotatably engaged with the rotating plate 402b-4, and a stirring rod 403d disposed on the third cylinder 403c, the central stirring part 402a comprises a fixed gear 402a-4 fixed at the center of the barrel 401, and the fixed gear 402a-4 is engaged with the second gear 403 b. The vibrating motor 404 is arranged on the side surface of the barrel body 401 and plays a role of vibrating the barrel body 401, on one hand, raw materials in the barrel body 401 can be better mixed under the vibrating effect, on the other hand, raw materials at the edge in the barrel body 401 can also move towards the middle part, under the action of the first stirring piece 402a-3 and the stirring rod 403d, the situation that the middle of the raw materials is concave and the edge is convex can inevitably occur, at the moment, under the action of the vibrating motor 404, the raw materials at the edge can move towards the middle part, and the raw materials can be better stirred.
Preferably, the stirring rod 403d is a square wood rod, so that the stirring rod can push the raw materials around while stirring. The number of teeth of the second gear 403b is less than that of the fixed gear 402a-4, and preferably the gear ratio is greater than 5, that is, after the rotating plate 402b-4 rotates one circle, the second gear 403b rotates 5 or more circles, so that the additional stirring unit 403 can stir the raw materials better.
It should be noted that the edge feeding unit 402b not only can feed the raw material located at the bottom of the barrel 401 upward, but also can push the raw material downward when the driving motor 402a-1 rotates reversely and the spiral blade 402b-5 rotates reversely, so as to make the raw material flow out of the discharging window 401 a.
In summary, the raw sand is charged into the pretreatment apparatus 100 and heated, after reaching a certain temperature, the charging window 202 is opened to charge the heated raw sand, after the charging is completed, the charging window 202 is closed, the pre-filling apparatus 200 can keep the temperature of the raw sand, when the raw sand needs to be charged into the stirring apparatus 400, only the pull-out baffle 203 needs to be opened, the sand charging amount can be determined according to the opening time of the charging port 201, then the raw sand and the raw material are charged into the stirring apparatus 400, the driving motor 402a-1 is turned on to drive the first cylinder 402a-2 to rotate, the first stirring member 402a-3 connected to the first cylinder 402a-2 is used to stir and push the raw material, the rotating plate 402b-4 is rotated, the first gear 402b-2 is rotated under the combined action of the inner gear ring 402b-1 and the rotating plate 402b-4, the first gear 402b-2 drives the helical blade 402b-5 to rotate, raw materials located at the bottom of the barrel body 401 are conveyed upwards, after the raw materials are uniformly stirred, the driving motor 402a-1 is enabled to rotate reversely, the helical blade 402b-5 rotates reversely to play a role of pressing the raw materials, the mixed sand is enabled to continuously flow out of the discharging window 401a, the efficiency is improved, and the flowing mixed sand falls into the material receiving device 500 through the conveying device 600.
Further, a plurality of additional stirring units 403 are provided on the same rotating plate 402b-4, the second gears 403b of the additional stirring units 403 are sequentially engaged, and the stirring rods 403d of the additional stirring units 403 are alternately provided.
When the diameter of the barrel 401 is large, only the central stirring part 402a and the edge conveying part 402b and one additional stirring unit 403 may not be provided to sufficiently stir all the raw materials, and at this time, several additional stirring units 403 are additionally provided to better stir the raw materials in all regions in the barrel 401, so that the stirring is more sufficient. And the directions of the stirring rods 403d of the two adjacent additional stirring units 403 are opposite, the raw materials can be stirred better.
The number of the second gears 403b of the plurality of additional stirring units 403 may be the same or different.
Further, a plurality of edge conveying members 402b are provided on the same rotating plate 402b-4, and the first gears 402b-2 of the plurality of edge conveying members 402b are engaged in sequence, and the spiral directions of two adjacent spiral blades 402b-5 are opposite.
The edge conveying parts 402b are arranged to better convey the raw material at the bottom of the barrel 401 upwards, and the spiral directions of two adjacent spiral blades 402b-5 are opposite to each other, so that all the spiral blades 402b-5 can play a role in conveying the raw material upwards or pressing the raw material downwards.
It should be noted that, in the same rotating plate 402b-4, there are at least four cases:
first, as shown in fig. 8, an additional stirring unit 403 having a plurality of edge-conveying members 402b is capable of better conveying the raw material located at the bottom to the upper part;
second, as shown in fig. 7, a plurality of additional stirring units 403, an edge delivery part 402b, can be adapted to the tub 401 having a larger diameter;
and thirdly, the plurality of additional stirring units 403 and the plurality of edge transfer parts 402b can transfer the raw material positioned at the bottom to the upper part and adapt to the barrel 401 with a larger diameter.
And fourthly, only the edge conveying part 402b is arranged, so that the device is suitable for the barrel 401 with smaller diameter.
The system can preheat the raw sand, ensure the mixing rate of the raw materials and complete the operations of sand adding, sand mixing and sand loading; make the raw materials can move to the edge when stirring through central stirring part 402a, will be located the raw materials of staving 401 bottom through edge conveying part 402b and upwards carry for all raw materials can both carry out intensive mixing, prevent the caking or stir inhomogeneous phenomenon.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (3)
1. The utility model provides a mulling system based on tectorial membrane sand is handled earlier stage which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a pretreatment device (100) for heating raw sand;
the pre-filling device (200) is used for storing heated raw sand and supplying the heated raw sand to the stirring device (400), and the bottom of the pre-filling device (200) is provided with a supply port (201) which can be opened and closed;
a liquid material supply device (300) for storing required liquid materials and supplying the liquid materials to the stirring device (400);
a stirring device (400) for stirring the raw sand and other various raw materials; and the number of the first and second groups,
the material receiving device (500) is used for containing the stirred mixed sand;
the stirring device (400) comprises a barrel body (401) and a stirring part (402), wherein the stirring part (402) is used for stirring raw materials in the barrel body (401) and comprises a central stirring part (402 a) and an edge conveying part (402 b);
the central stirring part (402 a) is used for stirring the raw materials in the middle of the barrel body (401) and pushing the raw materials to the edge, and the edge conveying part (402 b) is used for conveying the raw materials at the bottom of the barrel body (401) upwards;
the top of the pre-filling device (200) is provided with a loading window (202) which can be opened and closed, and the side surface of the pre-filling device is provided with a drawing baffle (203) which controls the opening and closing of the feed port (201);
the central stirring part (402 a) is arranged at the central position of the barrel body (401) and comprises a driving motor (402 a-1), a first cylinder (402 a-2) connected with the output end of the driving motor (402 a-1) and a plurality of first stirring pieces (402 a-3) which are connected to the first cylinder (402 a-2) and play a role in stirring;
the first stirring piece (402 a-3) comprises a fixing plate (402 a-31) horizontally fixed on the first cylinder (402 a-2) and stirring columns (402 a-32) vertically arranged and fixed through the fixing plate (402 a-31), at least 2 stirring columns (402 a-32) are arranged, and gaps are reserved between the adjacent stirring columns (402 a-32);
the edge transfer unit (402 b) comprises an inner gear ring (402 b-1) fixed to the upper end of the tub (401), a first gear (402 b-2) engaged with the inner gear ring (402 b-1), a second cylinder (402 b-3) fixedly connected to the first gear (402 b-2), a rotation plate (402 b-4) fixed to the first cylinder (402 a-2) and rotatably engaged with the second cylinder (402 b-3), and a spiral blade (402 b-5) fixed to the second cylinder (402 b-3);
the stirring device (400) further comprises an additional stirring unit (403) and a vibration motor (404), wherein the additional stirring unit (403) comprises a second gear (403 b), a third cylinder (403 c) connected with the second gear (403 b) and rotationally matched with the rotating plate (402 b-4), and a stirring rod (403 d) arranged on the third cylinder (403 c), the central stirring part (402 a) comprises a fixed gear (402 a-4) fixed at the center of the barrel body (401), the fixed gear (402 a-4) is meshed with the second gear (403 b), and the vibration motor (404) is arranged on the side surface of the barrel body (401); the stirring rod (403 d) is a square wood rod, and the number of the second gear (403 b) is less than that of the fixed gear (402 a-4);
a plurality of additional stirring units (403) are arranged on the same rotating plate (402 b-4), and the second gears (403 b) of the additional stirring units (403) are meshed in sequence;
the stirring rods (403 d) of the plurality of additional stirring units (403) are arranged in a staggered manner;
a plurality of edge conveying components (402 b) are arranged on the same rotating plate (402 b-4), the first gears (402 b-2) of the edge conveying components (402 b) are meshed in sequence, and the spiral directions of two adjacent spiral blades (402 b-5) are opposite.
2. The sand mulling system based on pre-coated sand treatment as defined in claim 1, wherein: the material receiving device is characterized by further comprising a conveying device (600) used for conveying the stirred raw materials to the material receiving device (500), a discharge window (401 a) capable of being opened and closed is arranged on the side face of the barrel body (401), and the conveying device (600) is arranged at the discharge window (401 a).
3. The sand mulling system based on precoated sand pretreatment of claim 2, wherein: the pretreatment device (100) is an electric heating box, the conveying device (600) is a belt conveyor, and the outer surface of the pre-filling device (200) is wrapped with a heat-insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640356.3A CN112846072B (en) | 2020-12-31 | 2020-12-31 | Sand mixing system based on precoated sand pretreatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640356.3A CN112846072B (en) | 2020-12-31 | 2020-12-31 | Sand mixing system based on precoated sand pretreatment |
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| CN112846072A CN112846072A (en) | 2021-05-28 |
| CN112846072B true CN112846072B (en) | 2022-09-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203778682U (en) * | 2014-01-21 | 2014-08-20 | 重庆广铸覆膜砂有限公司 | Sand mixer equipment |
| CN204639040U (en) * | 2014-12-12 | 2015-09-16 | 重庆长江造型材料（集团）仙桃有限公司 | The continuous automatic feeding device of resin sand |
| CN208929130U (en) * | 2018-09-28 | 2019-06-04 | 天津鸿盛鑫源金属制品有限公司 | A kind of sand casting sand mixer |
| CN110788274A (en) * | 2019-12-20 | 2020-02-14 | 安徽宏华铸造有限公司 | Quick sand mixer for casting |
-
2020
- 2020-12-31 CN CN202011640356.3A patent/CN112846072B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203778682U (en) * | 2014-01-21 | 2014-08-20 | 重庆广铸覆膜砂有限公司 | Sand mixer equipment |
| CN204639040U (en) * | 2014-12-12 | 2015-09-16 | 重庆长江造型材料（集团）仙桃有限公司 | The continuous automatic feeding device of resin sand |
| CN208929130U (en) * | 2018-09-28 | 2019-06-04 | 天津鸿盛鑫源金属制品有限公司 | A kind of sand casting sand mixer |
| CN110788274A (en) * | 2019-12-20 | 2020-02-14 | 安徽宏华铸造有限公司 | Quick sand mixer for casting |
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| CN112846072A (en) | 2021-05-28 |
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Denomination of invention: A sand mixing system based on pre treatment of coated sand Granted publication date: 20220909 Pledgee: Postal Savings Bank of China Limited Xinyi Sub-branch Pledgor: JIANGSU YAWEI FOUNDRY MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980075851 |