CN116100014A - Iron mold sand coating production line - Google Patents
Iron mold sand coating production line Download PDFInfo
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- CN116100014A CN116100014A CN202310105954.8A CN202310105954A CN116100014A CN 116100014 A CN116100014 A CN 116100014A CN 202310105954 A CN202310105954 A CN 202310105954A CN 116100014 A CN116100014 A CN 116100014A
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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
- B22D47/00—Casting plants
- B22D47/02—Casting plants for both moulding and casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
- B22C19/02—Mould tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses an iron mold sand-lined production line, which comprises a molding section, a core-laying section, a box closing section, a pouring section, a box opening and falling section, a sand cleaning section and a sand cleaning section which are annularly arranged and sequentially connected through a conveying roller way, wherein the molding section comprises a molding station I and a molding station III for sand-lined molding sand of a first type of molding sand box and a molding station II and a molding station IV for sand-lined molding sand of a second type of molding sand box, and a bidirectional roller way is arranged between the molding station I and the molding station III and between the molding station II and the molding station IV; according to the iron mold sand-lined production line, the first box moving machine is arranged to convey the sand box subjected to sand cleaning to the molding section, the sand-lined efficiency of the sand box is improved due to the arrangement of the plurality of molding stations, meanwhile, sand lined with different shapes can be produced on the same production line, the investment of equipment cost is saved, the recycling of the sand box is realized, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of iron mold sand coating production, in particular to an iron mold sand coating production line.
Background
The iron mold sand coating process is a casting process method of casting after attaching a layer of coated sand with the thickness of 4-10mm between a metal mold and the inner wall of a roughly formed metal casting (sand box), enabling the coated sand coated on the inner surface of the metal sand box to become a hard shell casting, injecting molten iron into the metal sand box coated with the coated sand, and solidifying. As the sand-coated casting mould of the iron mould has enough strength and rigidity, the sand-coated layer has high hardness, and the defects of box expansion, shrinkage cavity and the like of castings can be avoided. The spheroidal graphite cast iron can fully utilize graphitization expansion during solidification of molten iron, eliminate shrinkage porosity, shrinkage cavity and other defects, realize riser-free process, greatly improve the process yield of products and reach more than 76 percent.
And the casting is simultaneously solidified by adjusting the thickness of the sand-coated sand layer of the iron mold. And (3) iron mold sand coating molding, wherein the sand coating layer is about 7mm when the average thickness of the workpiece is taken, the maximum sand coating layer can reach 8-10mm when the workpiece is obviously smaller than the average thickness, the minimum sand coating layer can reach 4mm when the workpiece is obviously larger than the average thickness, and the workpiece is enabled to be solidified at the same time and cooled rapidly to obtain a good matrix structure by utilizing the chilling effect of the iron mold, so that stable mechanical performance is ensured.
The casting with higher strength and elongation can be obtained through the iron mold sand coating process, heat treatment is not needed, noble metals such as Ni, mo and the like are not needed to be added in the production, and the product cost is reduced. The requirements of the automobile ductile iron castings with higher requirements on safety and comprehensive mechanical properties can be met, and the light weight, low consumption and low cost of the automobile can be realized.
The existing sand-lined metal mold casting production line can only produce one product, when another product is required to be produced, the original sand box and the original mold are required to be replaced, and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an iron mold sand-lined production line.
The invention provides an iron mold sand-covering production line which comprises a molding section, a lower core section, a mold closing section, a pouring section, a mold opening and falling section, a sand cleaning section and a mold cleaning section which are annularly arranged and sequentially connected through a conveying roller way, wherein the molding section comprises a molding station I and a molding station III for covering sand on a first type molding sand box, a molding station II and a molding station IV for covering sand on a second type molding sand box, a bidirectional roller way is arranged between the molding station I and the molding station III and between the molding station II and the molding station IV, a first mold shifting machine for conveying the first type molding sand box or the second type molding sand box to the bidirectional roller way is arranged between the mold cleaning section and the molding section, a second mold shifting machine for conveying the first type molding sand box or the second type molding sand box to the lower core section is arranged between the molding station I and the molding station II, and a ferrying vehicle for conveying the first type molding sand box or the second type molding sand box to the second mold shifting machine is arranged between the molding station III and the molding station IV.
Preferably, an industrial camera I for identifying the first type sand box and the second type sand box is arranged between the cleaning section and the molding section.
Preferably, the molding machine comprises a movable sand shooting head, a mold opening and closing mechanism, a sand shooting mechanism and a sand adding mechanism, and the sand box is conveyed to the molding machine by a bidirectional roller way to finish sand shooting head movement, mold closing, compaction, sand shooting and curing mold opening.
Preferably, an industrial camera II for identifying the first type sand box and the second type sand box is further arranged between the box closing section and the pouring section.
Preferably, the pouring section comprises a first pouring channel and a second pouring channel, a first standby roller way and a second standby roller way are respectively arranged at the feeding ends of the first pouring channel and the second pouring channel, and a third box moving machine for transferring the first type molding sand box to the first standby roller way and the second type molding sand box to the second standby roller way is arranged between the lower core section and the pouring section.
Preferably, a bidirectional casting machine is arranged between the first casting channel and the second casting channel and used for casting the first type sand box and the second type sand box, and the bidirectional casting machine comprises a travelling car body, a ladle frame, a left-right moving mechanism and a lifting mechanism.
Preferably, the lower core section comprises a first box turner for turning the first type sand box and the second type sand box, and the second box moving machine can move between the first box turner and the top hole machine to convey defective products after box turner turning inspection to the sand cleaning section.
According to the iron mold sand-lined production line, the first box moving machine is arranged to convey the sand box subjected to sand cleaning to the molding section, the sand-lined efficiency of the sand box is improved due to the arrangement of the plurality of molding stations, meanwhile, sand lined with different shapes can be produced on the same production line, the investment of equipment cost is saved, the recycling of the sand box is realized, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic flow chart of an iron mold sand-lined production line according to the present invention;
FIG. 2 is a schematic diagram of a molding machine of an iron mold sand-lined production line according to the present invention;
FIG. 3 is a schematic diagram of a two-way casting machine of an iron mold sand-lined production line according to the present invention;
FIG. 4 is a schematic diagram of a box opener of the sand lined metal mold production line according to the present invention;
fig. 5 is a schematic diagram of a box turner of an iron mold sand-lined production line according to the present invention.
Detailed Description
Referring to fig. 1, the iron mold sand coating production line provided by the invention comprises a molding section, a lower core section, a box closing section, a pouring section, a box opening and blanking section, a sand cleaning section and a mold cleaning section which are annularly arranged and sequentially connected through a conveying roller way, wherein the molding section comprises a molding station I and a molding station III for coating sand on a first type of molding sand box and a molding station II and a molding station IV for coating sand on a second type of molding sand box, a bidirectional roller way is arranged between the molding station I and the molding station III and between the molding station II and the molding station IV, a first box transfer machine for conveying the first type of molding sand box or the second type of molding sand box to the two-way roller way is arranged between the mold cleaning section and the molding section, a transfer vehicle for conveying the first type of molding sand box or the second type of molding sand box to the lower core section is arranged between the molding station I and the molding station II, and a transition vehicle for conveying the first type of molding sand box or the second type of molding box to the second box transfer machine is arranged between the molding station III and the molding station IV.
The first box moving machine conveys the sand boxes of the first type and the sand boxes of the second type after sand removal to the molding section, the sand covering efficiency of the sand boxes is improved due to the arrangement of a plurality of molding stations, meanwhile, sand covering of different shapes can be produced on the same production line, investment of equipment cost is saved, recycling of the sand boxes is achieved, and production efficiency is greatly improved.
In the embodiment, the first box moving machine conveys the first type of molding sand box to the bidirectional roller way between the first molding station and the third molding station, the bidirectional roller way drives the first type of molding sand box to move to the first molding station or the third molding station for sand covering treatment, the first box moving machine conveys the second type of molding sand box to the bidirectional roller way between the second molding station and the fourth molding station, the bidirectional roller way drives the first type of molding sand box to move to the second molding station or the fourth molding station for sand covering treatment, the sand box after sand covering treatment is conveyed to the core section through the second box moving machine for core covering treatment, and the sand covering efficiency of the sand box is improved by the plurality of molding stations.
In order to realize the distribution of the first type sand box and the second type sand box among the first molding station, the second molding station, the third molding station and the fourth molding station, an industrial camera I for identifying the first type sand box and the second type sand box is arranged between the cleaning section and the molding section.
The first type sand box and the second type sand box of the cleaning section are subjected to pneumatic tools to remove residual sand coating on the inner surfaces of the first type sand box and the second type sand box, residues on parting surfaces of the first type sand box and the second type sand box are cleaned, the first type sand box is conveyed to a bidirectional roller way between a first molding station and a third molding station by the first box moving machine according to the identification result after being compared and identified by an industrial camera before the first box moving machine, and the second type sand box is conveyed to a bidirectional roller way between the second molding station and the fourth molding station, and the bidirectional roller way drives the sand boxes to move to the molding station.
The molding machine comprises a movable sand shooting head, a mold opening and closing mechanism, a sand shooting mechanism and a sand adding mechanism, wherein the molding machine is arranged in the first molding station, the second molding station, the third molding station and the fourth molding station, and the molding machine comprises a movable sand shooting head, a mold opening and closing mechanism, a sand shooting mechanism and a sand adding mechanism, and a bidirectional roller way conveys the sand box to the molding machine to finish sand shooting head movement, mold closing, compaction, sand shooting and curing mold opening.
The lower core section comprises a first box turning machine for turning over the first type sand boxes and the second type sand boxes, in order to improve the production quality of the iron mold sand coating, whether the sand coating is complete or not is checked after box turning, and when the sand coating is incomplete, the second box moving machine can move between the first box turning machine and the top hole machine so as to convey defective products after the box turning inspection of the box turning machine to the sand cleaning section.
The box closing section comprises a box closing machine, the box closing machine grabs an upper box in the sand box, and slowly falls down to close the box after the lower box moves in place.
And an industrial camera II for identifying the first type sand box and the second type sand box is also arranged between the box closing section and the pouring section.
The pouring section comprises a first pouring channel and a second pouring channel, and the first pouring channel and the second pouring channel are further provided with a first roller way and a second standby roller way respectively.
In the above embodiment, the second industrial camera is used for identifying the first type sand box and the second type sand box after the box assembly, conveying the first type sand box to the first pouring channel and the second type sand box to the second pouring channel according to the identification result, and conveying the sand boxes to the standby roller way I or the standby roller way II when the first pouring channel and the second pouring channel are full of other different products.
It should be further noted that, a bidirectional casting machine is disposed between the first casting channel and the second casting channel, and is used for casting the first type sand box and the second type sand box, and the bidirectional casting machine includes a travelling car body, a ladle frame, a left-right moving mechanism and a lifting mechanism, and the bidirectional casting machine specifically refers to fig. 3.
It is further to be explained that the unpacking and falling piece section is provided with a unpacking machine and a second unpacking machine which are sequentially arranged, the unpacking machine is structurally characterized in that according to fig. 4, a first type sand box and a second type sand box after pouring are transported to the unpacking machine to be unpacked, when castings are not easy to fall off after unpacking, the castings are required to vibrate through a vibrating motor at the unpacking machine to enable the castings to be loose, and then the castings are transported to the second unpacking machine to be overturned, so that casting falling pieces are achieved.
It should be further noted that, referring to fig. 5, the first box turner and the second box turner each include a rotation mechanism, a driving system, and a base, where the driving system and the rotation mechanism are fixed on the base, the driving system drives a driving wheel by a motor and a speed reducer, and two rows of rollers are installed on the turnover mechanism to clamp the sand box.
In the embodiment, the sand removal section comprises a top hole unit and a vibration sand removal unit which are connected in series, the top hole unit conveys the sand box after the sand removal is carried out to the position of the corresponding top hole plate, the oil cylinder drives the sand box to lift up for top hole sand removal, and when the mold removal is carried out, the mold removal time can be reduced, and the production efficiency is improved.
The top hole unit is connected with the unpacking and falling piece section in series through the conveying roller way, and comprises a hydraulic system, a hydraulic top plate, hydraulic lifting, top plate switching, a frame, a positioning mechanism and a motorized roller way.
The vibration shakeout machine comprises an air cushion (air spring), a vibration motor, a positioning mechanism, a frame and a motorized roller way.
The vibrating shakeout unit conveys the sand box with the top hole shakeout to the vibrating shakeout machine, and the vibrating motor is started to vibrate and drop loose sand covered after high-temperature sintering of the inner wall of the sand box, so that the workload of cleaning the mould is greatly reduced, and the production benefit is improved.
And the first box moving machine conveys the sand box subjected to sand removal treatment to a molding section and circulates in sequence.
In the above embodiment, the first box moving machine, the second box moving machine, the third box moving machine, the ferry vehicle, the molding machine, the two-way casting machine, the box opening machine, the first box turning machine, the second box turning machine, the box closing machine, the industrial camera, the hole jacking machine and the vibration shakeout machine are all in the prior art, so that excessive description is omitted in the invention.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The iron mold sand-covering production line is characterized by comprising a molding section, a lower core section, a box closing section, a pouring section, a box opening and falling section, a sand cleaning section and a profile cleaning section which are annularly arranged and sequentially connected through a conveying roller way, wherein the molding section comprises a molding station I and a molding station III for performing sand-covering treatment on a first type molding sand box and a molding station II and a molding station IV for performing sand-covering treatment on a second type molding sand box, a bidirectional roller way is arranged between the molding station I and the molding station III and between the molding station II and the molding station IV, a first box moving machine for conveying the first type molding sand box or the second type molding sand box to the two-way roller way is arranged between the profile cleaning section and the molding section, a transition vehicle for conveying the first type molding sand box or the second type molding sand box to the lower core section is arranged between the molding station I and the molding station II, and a transition vehicle for conveying the first type molding box or the second type molding box to the second box moving machine is arranged between the molding station III and the molding station IV.
2. The iron mold sand-lined production line according to claim 1, further comprising an industrial camera one for identifying the first type sand box and the second type sand box between the mold cleaning section and the mold shaping section.
3. The iron mold sand-lined production line according to claim 2, wherein the molding machine comprises a moving sand-shooting head, a mold opening and closing mechanism, a sand-shooting mechanism and a sand adding mechanism, and the sand box is conveyed by the bidirectional roller way to the molding machine to finish sand-shooting head moving, mold closing, compaction, sand shooting and curing mold opening.
4. A sand lined metal mold production line according to claim 3, further comprising an industrial camera two for identifying the first type sand box and the second type sand box between the mold closing section and the casting section.
5. The iron mold sand-lined production line according to claim 4, wherein the casting section comprises a first casting channel and a second casting channel, a first backup roller way and a second backup roller way are respectively arranged at the feeding ends of the first casting channel and the second casting channel, and a third box moving machine for transferring the first type molding sand box to the first backup roller way and the second type molding sand box to the second backup roller way is arranged between the lower core section and the casting section.
6. The iron mold sand lined production line of claim 5, wherein a bi-directional casting machine is disposed between the first casting channel and the second casting channel for casting the first type sand box and the second type sand box, and the bi-directional casting machine comprises a traveling car body, a ladle frame, a left-right moving mechanism and a lifting mechanism.
7. The iron mold sand-lined production line according to claim 1, wherein the lower core section comprises a first box turner for turning over the first type sand box and the second type sand box, and the second box transfer machine is movable between the first box turner and the top hole machine to transfer defective products after the box turner is turned over and inspected to the sand cleaning section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310105954.8A CN116100014A (en) | 2023-02-13 | 2023-02-13 | Iron mold sand coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310105954.8A CN116100014A (en) | 2023-02-13 | 2023-02-13 | Iron mold sand coating production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116100014A true CN116100014A (en) | 2023-05-12 |
Family
ID=86263544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310105954.8A Pending CN116100014A (en) | 2023-02-13 | 2023-02-13 | Iron mold sand coating production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116100014A (en) |
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2023
- 2023-02-13 CN CN202310105954.8A patent/CN116100014A/en active Pending
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