CN111451471A - Gear ring casting method aiming at local slurry shortage phenomenon - Google Patents
Gear ring casting method aiming at local slurry shortage phenomenon Download PDFInfo
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- CN111451471A CN111451471A CN202010168501.6A CN202010168501A CN111451471A CN 111451471 A CN111451471 A CN 111451471A CN 202010168501 A CN202010168501 A CN 202010168501A CN 111451471 A CN111451471 A CN 111451471A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/04—Centrifugal casting; Casting by using centrifugal force of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/101—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/107—Means for feeding molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
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Abstract
The invention discloses a gear ring casting method aiming at a local slurry shortage phenomenon, belonging to the technical field of gear ring casting, and the gear ring casting method aiming at the local slurry shortage phenomenon comprises the following steps: technical personnel smelt the raw materials used for casting to obtain casting raw stock in a molten state, pour the casting raw stock into a casting box, and start a rotating mechanism to drive the casting box to carry out rotary blanking; and after the primary pulp is injected, the method can conveniently discharge redundant casting primary pulp outside the casting pool and conveniently recover the casting primary pulp, is simple and convenient to operate and has higher practicability.
Description
Technical Field
The invention relates to the technical field of gear ring casting, in particular to a gear ring casting method aiming at a local slurry shortage phenomenon.
Background
The cast molding is also called (static) casting, and is to inject prepared casting raw materials into a mold to solidify the raw materials, so as to obtain a product similar to a mold cavity. The raw material for the casting may be a monomer, a preliminarily polymerized or polycondensed slurry, or a solution of a polymer and a monomer, or the like. Polymerization or polycondensation reactions typically occur during curing. The pressure is low during casting molding, so the requirements on the strength of a mould and equipment are not high, and the investment is small; the size of the product is less limited, and the product is suitable for producing large-scale products; the internal stress of the product is low. And thus has increased faster in production yield in recent years.
The gear ring casting is a core linkage component of equipment in cement machinery, metallurgy industry and building material industry, the gear ring can be inlaid on the outer edge of a flywheel after being heated, and is fastened on the outer edge of the flywheel after being cooled to be meshed with a starter gear to drive a crankshaft to rotate and start an engine, the gear surface of the gear ring is an important component playing a transmission role, belongs to a stressed finish machining surface, the casting quality requirement is very strict, casting defects such as slag inclusion, shrinkage porosity, cracks and the like cannot exist, and the transmission function of the gear ring can be influenced if the defects are serious.
However, when the existing gear ring is cast, the stirring is not uniform, the slurry flowability is poor, the slurry filling in the casting pool is insufficient, and particularly, the slurry is seriously lacked at the position close to a template, so that the cast gear ring has poor quality and even cannot be put into use.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a gear ring casting method aiming at the local slurry shortage phenomenon, which adopts a rotary blanking mode to uniformly and fully inject casting raw slurry into a casting pool, simultaneously carries out stirring and uniform mixing on the casting raw slurry injected into the casting pool through a retarding mechanism, and carries out a slurry injection process in a dynamic mode that the rotary blanking is accompanied with stirring and filling, so that the casting raw slurry is uniformly and compactly filled in the casting pool, and the local slurry shortage condition is greatly reduced; and after the primary pulp is injected, the method can conveniently discharge redundant casting primary pulp outside the casting pool and conveniently recover the casting primary pulp, is simple and convenient to operate and has higher practicability.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A gear ring casting method aiming at a local slurry shortage phenomenon comprises the following steps:
s1, smelting the raw materials for casting by technical personnel to obtain casting raw stock in a molten state;
s2, pouring the casting raw stock into a casting box, starting a rotating mechanism to drive the casting box to carry out rotary blanking, ensuring that the slurry is uniformly injected into a casting pool, and simultaneously stirring and uniformly mixing the casting raw stock falling into the casting pool by a retarding mechanism in the casting box to ensure that the raw stock is uniformly and compactly filled in the casting pool;
s3, starting a liquid discharge mechanism to remove redundant casting primary pulp outside the casting pool and recycling the casting primary pulp;
and S4, taking out the gear ring after the gear ring in the casting pool is cooled and formed.
According to the invention, the casting raw stock is uniformly and fully injected into the casting pool by adopting a rotary blanking mode, the casting raw stock injected into the casting pool is uniformly stirred and mixed by the retarding mechanism, and the slurry injection process is carried out in a dynamic mode that the rotary blanking is accompanied with stirring and filling, so that the casting raw stock is uniformly and compactly filled in the casting pool, and the condition of local slurry shortage is greatly reduced; and after the primary pulp is injected, the method can conveniently discharge redundant casting primary pulp outside the casting pool and conveniently recover the casting primary pulp, is simple and convenient to operate and has higher practicability.
Further, the casting pool comprises a casting platform, the upper end of the casting platform is respectively provided with a casting cavity and a liquid collecting tank, the casting cavity is used for casting and molding the gear ring, the liquid collecting tank is convenient for recovering redundant casting raw stock, the liquid discharge mechanism comprises a bottom plate, the bottom plate is positioned at the upper side of the casting platform, a liquid accumulation groove is arranged on the bottom plate, the size of the notch of the liquid accumulation groove is larger than that of the notch of the casting cavity, so that redundant slurry outside the casting cavity can be conveniently discharged, the lower end of the bottom plate is fixedly connected with a pair of electric sliding tables, the upper end of the casting table is provided with a pair of grooves, the inner part of the bottom plate is fixedly connected with a slide rail, the pair of electric sliding tables are respectively connected with the pair of slide rails in a sliding way, the upper end fixedly connected with controller of casting bed, electronic slip table and controller electric connection realize the removal of bottom plate through electronic slip table slides on the slide rail.
Further, the casting case includes the thick liquids section of thick bamboo, the thick liquids section of thick bamboo is located the upside of bottom plate, the upper end fixedly connected with fore-set of thick liquids section of thick bamboo, rotary mechanism includes the motor of fixed connection in the bottom plate upper end, the transmission is connected with the drive belt between the output of motor and the fore-set, motor and controller electric connection realize the power transmission between motor and the fore-set through the drive belt.
Further, the entry has been seted up to the upper end of thick liquid feed cylinder, lets in the thick liquid feed cylinder through the entry with the casting magma, a plurality of evenly distributed's export is seted up to the lower extreme of thick liquid feed cylinder, and the thick liquid that makes the thick liquid feed cylinder through the export pours into the casting chamber into, the ring channel has been seted up to the side of thick liquid feed cylinder, the limiting plate of a pair of mutual symmetry of upper end fixedly connected with of bottom plate, the limiting plate rotates with the ring channel to be connected, and the cooperation through limiting plate and ring channel makes the thick liquid feed cylinder can.
Further, the slow setting mechanism includes fixed connection in the inside interior post of thick liquid feed cylinder, the outer end sliding connection of interior post has the annular slab, the outer end fixedly connected with a plurality of evenly distributed's of annular slab rectangle strip, the lower extreme fixedly connected with stirring rod of rectangle strip.
Furthermore, a plurality of the stirring rods are respectively positioned on the right upper side of the outlets, the diameter of the notch of each outlet is 2-2.5 times of that of each stirring rod, when the annular plate moves downwards along the inner column, the stirring rods enter the casting cavity through the outlets, but along with the rotation of the slurry cylinder, the stirring rods stir slurry in the casting cavity, so that the slurry keeps fluidity, the slurry is more fully filled in the casting cavity, the local slurry shortage condition is not easy to occur, and the stirring rods cannot influence the flow of the slurry after entering the outlets according to the size setting of the outlets and the stirring rods.
Furthermore, the upper end fixedly connected with stay cord of annular plate, a pair of round hole has been seted up to the upper end of thick liquid feed cylinder, the stay cord runs through a pair of round hole and extends to the outside of thick liquid feed cylinder, can make the stirring rod rebound through manual pulling stay cord, shifts out and moves back the inside of thick liquid feed cylinder in following the casting chamber.
Furthermore, a pair of chutes are formed in the outer end of the inner column, a pair of sliding blocks are fixedly connected to the inner end of the annular plate, the pair of sliding blocks are respectively connected with the pair of chutes in a sliding mode, the annular plate only moves up and down through the matching of the sliding blocks and the chutes, rotation in the horizontal direction cannot be carried out, and the stirring rod is always located on the upper side of the outlet.
Further, the bottom fixedly connected with sill pillar of thick liquids feed cylinder, a plurality of evenly distributed's of outer end fixedly connected with electric putter of sill pillar, electric putter's flexible end fixedly connected with spoiler, electric putter and controller electric connection can seal the export through spoiler through the position of electric putter control spoiler, prevent the outflow of thick liquids.
Furthermore, it is a plurality of the bluff plate is located a plurality of exports under respectively, and the diameter of bluff plate is 2-2.5 times of export notch diameter, guarantees the sealed effect of bluff plate to the export, the upper end fixedly connected with rubber pad of bluff plate can strengthen sealed effect.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the casting raw pulp is uniformly and fully injected into the casting pool by adopting a rotary blanking mode, the casting raw pulp injected into the casting pool is uniformly stirred and mixed by the retarding mechanism, and the slurry injection process is carried out in a dynamic mode that rotary blanking is accompanied with stirring and filling, so that the casting raw pulp is uniformly and compactly filled in the casting pool, and the condition of local pulp shortage is greatly reduced; and after the primary pulp is injected, the method can conveniently discharge redundant casting primary pulp outside the casting pool and conveniently recover the casting primary pulp, is simple and convenient to operate and has higher practicability.
(2) The casting pond includes the casting bench, casting chamber and liquid collecting tank have been seted up respectively to the upper end of casting bench, the casting chamber is used for the casting shaping of ring gear, liquid collecting tank conveniently retrieves unnecessary casting magma, drainage mechanism includes the bottom plate, the bottom plate is located the upside of casting bench, liquid collecting tank has been seted up on the bottom plate, liquid collecting tank's notch size is greater than the notch size in casting chamber, conveniently get rid of the outer unnecessary thick liquids of casting chamber, a pair of electronic slip table of lower extreme fixedly connected with of bottom plate, a pair of recess has been seted up to the upper end of casting bench, the inside fixedly connected with slide rail of bottom plate, a pair of electronic slip table respectively with a pair of slide rail sliding connection, the upper end fixedly connected with controller of casting bench, electronic slip table and controller electric connection, the removal of bottom plate.
(3) The casting case includes the thick liquids section of thick bamboo, and the thick liquids section of thick bamboo is located the upside of bottom plate, and the upper end fixedly connected with fore-set of thick liquids section of thick bamboo, rotary mechanism include the motor of fixed connection in the bottom plate upper end, and the transmission is connected with the drive belt between the output of motor and the fore-set, and motor and controller electric connection realize the power transmission between motor and the fore-set through the drive belt.
(4) The entry has been seted up to the upper end of thick liquid feed cylinder, lets in the thick liquid feed cylinder through the entry with casting magma, and a plurality of evenly distributed's export is seted up to the lower extreme of thick liquid feed cylinder, and the thick liquids that makes the thick liquid feed cylinder through the export pour into the casting chamber, and the ring channel has been seted up to the side of thick liquid feed cylinder, and the limiting plate of a pair of mutual symmetry of upper end fixedly connected with of bottom plate, limiting plate and ring channel rotate to be connected, and the cooperation through limiting plate and ring channel makes the.
(5) Set retarding mechanism includes fixed connection in the inside interior post of thick liquids feed cylinder, the outer end sliding connection of interior post has the annular slab, the outer end fixedly connected with a plurality of evenly distributed's of annular slab rectangle strip, the lower extreme fixedly connected with stirring rod of rectangle strip, a plurality of stirring rods are located a plurality of exports respectively directly upside, and the notch diameter of export is 2-2.5 times of stirring rod diameter, when the annular slab moves down along interior post, the stirring rod gets into the casting intracavity portion through the export, but along with the rotation of thick liquids feed cylinder, the stirring rod stirs the thick liquids of casting intracavity portion, make thick liquids keep mobility, make its inside of filling at the casting chamber more fully, the local condition of lacking thick liquids that is difficult for taking place, and, according to the size setting of export and stirring rod, the stirring rod gets into and can not influence the flow of thick liquids behind the export.
(6) The upper end fixedly connected with stay cord of annular plate, a pair of round hole has been seted up to the upper end of thick liquid feed cylinder, and the stay cord runs through a pair of round holes and extends to the outside of thick liquid feed cylinder, can make the stirring rod rebound through manual pulling stay cord, shifts out and moves back the inside of thick liquid feed cylinder in following the casting chamber.
(7) A pair of spout has been seted up to the outer end of inner post, a pair of slider of the inner fixedly connected with of annular plate, a pair of slider respectively with a pair of spout sliding connection, make the annular plate only reciprocate through the cooperation of slider and spout, and can not carry out the ascending rotation of horizontal direction, make the stirring rod be in the export all the time just upside.
(8) The bottom fixedly connected with sill pillar of thick liquids feed cylinder, a plurality of evenly distributed's of outer end fixedly connected with electric putter of sill pillar, electric putter's flexible end fixedly connected with spoiler, electric putter and controller electric connection, through the position of electric putter control spoiler, can seal the export through spoiler, prevent the outflow of thick liquids.
(9) A plurality of spoilers are located under a plurality of exports respectively, and the diameter of spoilers is 2-2.5 times of export notch diameter, guarantees the sealed effect of spoilers to the export, and the upper end fixedly connected with rubber pad of spoilers can strengthen sealed effect.
Drawings
FIG. 1 is a block flow diagram of the present invention;
FIG. 2 is a first perspective view of the present invention;
FIG. 3 is a second perspective view of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a first schematic diagram of the front side structure of the present invention;
FIG. 6 is a second schematic front view of the present invention;
fig. 7 is a schematic top view of the present invention.
The reference numbers in the figures illustrate:
the device comprises a casting platform 1, a casting cavity 101, a groove 102, a liquid collecting tank 103, a bottom plate 2, a liquid accumulating tank 201, a sliding rail 3, an electric sliding table 4, a motor 5, a slurry cylinder 6, an inlet 601, an outlet 602, an annular groove 603, a top column 7, a driving belt 8, a bottom column 9, an electric push rod 10, a flow blocking disc 11, an inner column 12, an annular plate 13, a rectangular strip 14, a stirring rod 15, a pull rope 16, a sliding chute 17, a controller 18 and a limiting plate 19.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, a method for casting a gear ring aiming at a local slurry shortage phenomenon includes the following steps:
s1, smelting the raw materials for casting by technical personnel to obtain casting raw stock in a molten state;
s2, pouring the casting raw stock into a casting box, starting a rotating mechanism to drive the casting box to carry out rotary blanking, ensuring that the slurry is uniformly injected into a casting pool, and simultaneously stirring and uniformly mixing the casting raw stock falling into the casting pool by a retarding mechanism in the casting box to ensure that the raw stock is uniformly and compactly filled in the casting pool;
s3, starting a liquid discharge mechanism to remove redundant casting primary pulp outside the casting pool and recycling the casting primary pulp;
and S4, taking out the gear ring after the gear ring in the casting pool is cooled and formed.
Referring to fig. 2 and 3, the casting pool includes a casting platform 1, a casting cavity 101 and a liquid collecting tank 103 are respectively disposed at the upper end of the casting platform 1, the casting cavity 101 is used for casting and forming a gear ring, the liquid collecting tank 103 facilitates recovering excess casting raw stock, the liquid discharging mechanism includes a bottom plate 2, the bottom plate 2 is located at the upper side of the casting platform 1, the lower surface of the bottom plate 2 is closely attached to the upper surface of the casting platform 1, a liquid accumulating tank 201 is disposed on the bottom plate 2, the size of the notch of the liquid accumulating tank 201 is larger than that of the casting cavity 101, so as to facilitate discharging excess slurry outside the casting cavity 101, referring to fig. 3 and 4, the lower end of the bottom plate 2 is fixedly connected with a pair of electric sliding tables 4, the upper end of the casting platform 1 is disposed with a pair of grooves 102, the interior of the bottom plate 2 is fixedly connected with a pair of sliding rails 3, the pair of, the electric sliding table 4 is electrically connected with the controller 18, and the bottom plate 2 can move by sliding the electric sliding table 4 on the sliding rail 3.
Referring to fig. 3, the casting box includes a slurry barrel 6, the slurry barrel 6 is located on the upper side of the bottom plate 2, the upper end of the slurry barrel 6 is fixedly connected with a top post 7, the rotating mechanism includes a motor 5 fixedly connected to the upper end of the bottom plate 2, a transmission belt 8 is connected between the output end of the motor 5 and the top post 7 in a transmission manner, the motor 5 is electrically connected with a controller 18, and power transmission between the motor 5 and the top post 7 is realized through the transmission belt 8.
Referring to fig. 3, an inlet 601 is formed at the upper end of the slurry barrel 6, casting raw slurry is introduced into the slurry barrel 6 through the inlet 601, referring to fig. 5, three outlets 602 are formed at the lower end of the slurry barrel 6, slurry in the slurry barrel 6 is injected into the casting cavity 101 through the outlets 602, an annular groove 603 is formed at the side end of the slurry barrel 6, referring to fig. 3 and fig. 4, a pair of symmetrical limiting plates 19 is fixedly connected to the upper end of the bottom plate 2, the limiting plates 19 are rotatably connected to the annular groove 603, and the slurry barrel 6 can stably rotate through the cooperation of the limiting plates 19 and the annular groove 603.
Referring to fig. 5 and 6, the set retarding mechanism includes an inner column 12 fixedly connected to the inside of the slurry cylinder 6, an annular plate 13 is slidably connected to an outer end of the inner column 12, three evenly distributed rectangular bars 14 are fixedly connected to an outer end of the annular plate 13, stirring rods 15 are fixedly connected to lower ends of the rectangular bars 14, the stirring rods 15 are respectively located right above the outlets 602, and a diameter of a notch of the outlet 602 is 2-2.5 times of a diameter of the stirring rod 15, when the annular plate 13 moves downward along the inner column 12, the stirring rod 15 enters the casting cavity 101 through the outlet 602, but along with the rotation of the slurry cylinder 6, the stirring rod 15 stirs the slurry inside the casting cavity 101, so that the slurry keeps fluidity, and is more fully filled in the casting cavity 101, a situation of partial slurry shortage is not easy to occur, and according to the size of the outlet 602 and the stirring rod 15, the flow of the slurry after entering the outlet 602 is not influenced, simultaneously the length of the pull rope 16 is reasonably arranged, so that the downward sliding distance of the annular plate 13 is less than the vertical length of the inner column 12, namely: when the annular plate 13 and the rectangular strips 14 slide to the lowest end, the annular plate and the rectangular strips 14 do not contact with the inner bottom surface of the slurry barrel 6, so that the rectangular strips 14 do not block the outlet 602 to influence the flow of the slurry.
Referring to fig. 5, a pull rope 16 is fixedly connected to an upper end of the annular plate 13, and a pair of circular holes are formed in an upper end of the slurry barrel 6, referring to fig. 3, the pull rope 16 penetrates through the pair of circular holes and extends to an outer side of the slurry barrel 6, and the stirring rod 15 can be moved upwards by manually pulling the pull rope 16, and is moved out of the casting cavity 101 and back into the slurry barrel 6.
Referring to fig. 6 and 7, the outer end of the inner column 12 is provided with a pair of sliding grooves 17, the inner end of the annular plate 13 is fixedly connected with a pair of sliding blocks, the pair of sliding blocks are respectively connected with the pair of sliding grooves 17 in a sliding manner, the annular plate 13 only moves up and down through the matching of the sliding blocks and the sliding grooves 17, and does not rotate in the horizontal direction, so that the stirring rod 15 is always positioned right above the outlet 602.
Referring to fig. 5, a bottom column 9 is fixedly connected to a bottom end of a slurry barrel 6, three electric push rods 10 are fixedly connected to an outer end of the bottom column 9, the electric push rods 10 are fixedly connected to a telescopic end of the electric push rods 10 to form a spoiler 11, the electric push rods 10 are electrically connected to a controller 18, the positions of the spoiler 11 are controlled by the electric push rods 10, an outlet 602 can be sealed by the spoiler 11 to prevent slurry from flowing out, the spoiler 11 are respectively located under the outlet 602, and the diameter of the spoiler 11 is 2-2.5 times of the diameter of a notch of the outlet 602, so that the sealing effect of the spoiler 11 on the outlet 602 is ensured, and the upper end of the spoiler 11 is fixedly connected to a rubber pad to enhance the sealing effect.
In casting, referring to fig. 2, casting slurry is injected into the slurry barrel 6 through the inlet 601, the motor 5 and the electric push rod 10 are activated by the controller 18, the electric push rod 10 is shortened to drive the choke disc 11 to move, the outlet 602 is opened, the motor 5 drives the slurry barrel 6 to rotate, so that the slurry in the slurry barrel 6 is injected into the casting cavity 101 through the outlet 602 in a rotary discharging mode, uniform material injection is realized, meanwhile, the retarding mechanism moves downwards under the action of self gravity, the annular plate 13 slides downwards along the outer side of the inner column 12, the stirring rod 15 is driven to pass through the outlet 602 to be cast in the cavity 101, the stirring rod 15 stirs the slurry in the casting cavity 101 with the rotation of the slurry cylinder 6, so that the slurry keeps fluidity and is uniformly and fully filled in the casting cavity 101, the dynamic grouting mode of combining rotary blanking with stirring and filling can greatly reduce the condition of local slurry shortage in the casting process.
After the slurry in the slurry barrel 6 is completely poured into the casting cavity 101, the excess slurry flows out of the casting cavity 101, but is limited in the liquid accumulation groove 201, and at the moment, the pulling rope 16 is pulled to drive the retarding mechanism to move upwards, namely: the annular plate 13 moves upwards along the inner column 12, so that the stirring rod 15 moves back to the inside of the slurry cylinder 6, then the electric sliding table 4 is started through the controller 18, the bottom plate 2 is driven to move towards the liquid collecting groove 103, the casting cavity 101 is exposed, the gear ring model in the casting cavity 101 is convenient to cool, and in the moving process of the bottom plate 2, redundant slurry above the casting cavity 101 can be discharged into the liquid collecting groove 103 through the liquid collecting groove 201, and the recovery is convenient.
According to the invention, the casting raw stock is uniformly and fully injected into the casting pool by adopting a rotary blanking mode, the casting raw stock injected into the casting pool is uniformly stirred and mixed by the retarding mechanism, and the slurry injection process is carried out in a dynamic mode that the rotary blanking is accompanied with stirring and filling, so that the casting raw stock is uniformly and compactly filled in the casting pool, and the condition of local slurry shortage is greatly reduced; and after the primary pulp is injected, the method can conveniently discharge redundant casting primary pulp outside the casting pool and conveniently recover the casting primary pulp, is simple and convenient to operate and has higher practicability.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A gear ring casting method aiming at the local slurry shortage phenomenon is characterized in that: the method comprises the following steps:
s1, smelting the raw materials for casting by technical personnel to obtain casting raw stock in a molten state;
s2, pouring the casting raw stock into a casting box, starting a rotating mechanism to drive the casting box to carry out rotary blanking, ensuring that the slurry is uniformly injected into a casting pool, and simultaneously stirring and uniformly mixing the casting raw stock falling into the casting pool by a retarding mechanism in the casting box to ensure that the raw stock is uniformly and compactly filled in the casting pool;
s3, starting a liquid discharge mechanism to remove redundant casting primary pulp outside the casting pool and recycling the casting primary pulp;
and S4, taking out the gear ring after the gear ring in the casting pool is cooled and formed.
2. A method for casting a ring gear aiming at the phenomenon of partial slurry shortage according to claim 1, wherein: the casting pool comprises a casting platform (1), the upper end of the casting platform (1) is respectively provided with a casting cavity (101) and a liquid collecting groove (103), the liquid drainage mechanism comprises a bottom plate (2), the bottom plate (2) is positioned on the upper side of the casting platform (1), the bottom plate (2) is provided with a liquid accumulation groove (201), the size of the notch of the liquid accumulation groove (201) is larger than that of the notch of the casting cavity (101), the lower end of the bottom plate (2) is fixedly connected with a pair of electric sliding tables (4), the upper end of the casting platform (1) is provided with a pair of grooves (102), the inner part of the bottom plate (2) is fixedly connected with a slide rail (3), the pair of electric sliding platforms (4) are respectively connected with the pair of slide rails (3) in a sliding way, the upper end fixedly connected with controller (18) of casting platform (1), electronic slip table (4) and controller (18) electric connection.
3. A method for casting a ring gear aiming at the phenomenon of partial slurry shortage according to claim 2, wherein: the casting box comprises a slurry cylinder (6), the slurry cylinder (6) is located on the upper side of the bottom plate (2), the upper end of the slurry cylinder (6) is fixedly connected with a top column (7), the rotating mechanism comprises a motor (5) fixedly connected to the upper end of the bottom plate (2), a transmission belt (8) is connected between the output end of the motor (5) and the top column (7), and the motor (5) is electrically connected with the controller (18).
4. A method for casting a ring gear according to claim 3, wherein the method comprises the following steps: entry (601) have been seted up to the upper end of thick liquid feed cylinder (6), a plurality of evenly distributed's export (602) have been seted up to the lower extreme of thick liquid feed cylinder (6), ring channel (603) have been seted up to the side of thick liquid feed cylinder (6), the limiting plate (19) of a pair of mutual symmetry of upper end fixedly connected with of bottom plate (2), limiting plate (19) rotate with ring channel (603) and are connected.
5. A method for casting a ring gear according to claim 3, wherein the method comprises the following steps: the slow setting mechanism includes inner column (12) of fixed connection in thick liquid feed cylinder (6) inside, the outer end sliding connection of inner column (12) has annular plate (13), a plurality of evenly distributed's of outer end fixedly connected with rectangle strip (14) of annular plate (13), the lower extreme fixedly connected with stirring rod (15) of rectangle strip (14).
6. A gear ring casting method aiming at the local slurry shortage phenomenon according to claim 5, characterized in that: the stirring rods (15) are respectively positioned on the right upper sides of the outlets (602), and the diameter of the notch of the outlet (602) is 2-2.5 times of that of the stirring rod (15).
7. A gear ring casting method aiming at the local slurry shortage phenomenon according to claim 5, characterized in that: the upper end fixedly connected with stay cord (16) of annular plate (13), a pair of round hole has been seted up to the upper end of thick liquid feed cylinder (6), stay cord (16) run through a pair of round hole and extend to the outside of thick liquid feed cylinder (6).
8. A gear ring casting method aiming at the local slurry shortage phenomenon according to claim 5, characterized in that: a pair of sliding grooves (17) are formed in the outer end of the inner column (12), a pair of sliding blocks are fixedly connected to the inner end of the annular plate (13), and the pair of sliding blocks are respectively connected with the pair of sliding grooves (17) in a sliding mode.
9. A gear ring casting method for the local starved condition according to claim 4, wherein: the thick liquids feed cylinder's (6) bottom fixedly connected with foundation (9), the outer end fixedly connected with a plurality of evenly distributed's of foundation (9) electric putter (10), the flexible end fixedly connected with spoiler disc (11) of electric putter (10), electric putter (10) and controller (18) electric connection.
10. A method for casting a ring gear according to claim 9, wherein the method comprises the following steps: the flow blocking discs (11) are respectively positioned at the right lower sides of the outlets (602), the diameter of each flow blocking disc (11) is 2-2.5 times of that of the notch of each outlet (602), and the upper ends of the flow blocking discs (11) are fixedly connected with rubber pads.
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