CN102632215A - Water-cooled metal type centrifugal cast pipe mold powder conveyor - Google Patents
Water-cooled metal type centrifugal cast pipe mold powder conveyor Download PDFInfo
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- CN102632215A CN102632215A CN2012100905353A CN201210090535A CN102632215A CN 102632215 A CN102632215 A CN 102632215A CN 2012100905353 A CN2012100905353 A CN 2012100905353A CN 201210090535 A CN201210090535 A CN 201210090535A CN 102632215 A CN102632215 A CN 102632215A
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Abstract
The invention discloses a water-cooled metal type centrifugal cast pipe mold powder conveyor. The water-cooled metal type centrifugal cast pipe mold powder conveyor comprises a basic box (1), a powder storage hopper (2) and a powder blanking hopper (30), and the mold powder conveyor is provided with a screw rod rotary conveying mechanism and is used for driving a screw rod (23) in the screw rod rotary conveying mechanism through a hydraulic motor (12). According to the technical scheme disclosed by the invention, the labor intensity of workers is greatly reduced; the using quantity of mold powder is reduced; a molding rate index is stabilized, and waste products caused by failure of a mold powder machine can be avoided; the continuous production is ensured, and the failure affecting time is shortened; and the economic benefits are significantly improved.
Description
Technical field
The invention belongs to the technical field that metallurgical industry is produced, relate to the manufacturing process equipment of spun cast pipe, more particularly, the present invention relates to a kind of water-cooled metal mould spun cast pipe mould powder conveyer.
Background technology
At present, in the ductile iron pipe production process, labour intensity is big, automaticity is low is an important difficult problem of restriction ductile iron pipe development.Improve the Automation of Manufacturing Process level and reduce the direction that labour intensity is development.
In water-cooled metal mould spun cast pipe production process, because arts demand adds releasing agent, just so-called pipe die powder; Though every desk centrifuge of each producer all has been equipped with mould powder conveyer, in use through regular meeting wind appears returning, conveying capacity does not reach phenomenons such as requirement, the obstruction of mould tube cell, causes occurrence of waste in the production process, cause when situation is serious stopping production.
For example, when the pressure in the blending bin produced negative pressure, the pressure of wind caused in will be along the passage blowback of mould powder screw rod to mould powder bucket and returns wind.
Again for example, the screw rod of general mould powder machine, it is the spot welding on core bar of spiral leaf.Maximum output mould powder amount was 2.7kg in 30 seconds, and 30 seconds needs additions are 4-6kg when producing the DN1000 pipe.As shown in Figure 2.
Present many cast tube factory uses the manual work adding mode of angle steel to produce in medium-and-large-sized pipe production.This mode of production not only worker's labour intensity is very big, and the consumption of mould powder simultaneously is very big, and production cost is increased greatly.
Summary of the invention
The present invention provides a kind of water-cooled metal mould spun cast pipe mould powder conveyer, its objective is to replace manual work to add the mould powder, improves the automatization level that centrifugal cast iron pipe is produced.
To achieve these goals, the technical scheme taked of the present invention is:
Water-cooled metal mould spun cast pipe mould powder conveyer provided by the present invention; Comprise basic case, powder storage bucket and the powder bucket that falls; Described mould powder conveyer is provided with screw rod rotation transport sector, and through the screw rod in the said screw rod rotation of the fluid motor-driven transport sector.
Described mould powder conveyer is provided with the anti-device that returns wind in the mould powder exit of said swing arm rotation transport sector, and the described anti-device that returns wind is to add spring capping at the attaching nut place in mould powder exit.
The hydraulic system of described mould powder conveyer adopts proportional valve control; The motor of described hydraulic motor adopts variable-frequency motor; The walking position of described proportioning valve and main frame carries out chain.
Described screw rod is carbon steel and carries out Quenching Treatment.
Above described powder storage bucket, realize pressure balance through copper pipe with the powder bucket that falls.
The mould powder transmission power of described mould powder conveyer adopts nitrogen, or adopts dry pneumatics wind; Simultaneously install triplet additional, with the stable 0.2-0.3MPa that is controlled at of blast in the air outlet front of mould powder machine.
The present invention adopts technique scheme, greatly reduces worker's labour intensity; Mould powder consumption reduces; Stablize the ratio of briquetting index, stopped the waste product that mould powder machine fault causes; Guarantee continuous production, shortened the fault effects time.Remarkable in economical benefits improves.
Description of drawings
Briefly explain in the face of the expressed content of the accompanying drawing of this specification and the mark among the figure down:
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structural representation of screw rod of the prior art;
Fig. 3 is the structural representation of the screw rod among the present invention
Fig. 4 is the sketch map of the pipe joint among Fig. 1.
Be labeled as among the figure:
1, basic case, 2, powder storage bucket, 3, fastening bolt, 6, side cover plate, 8, connecting axle, 12, hydraulic motor; 13, shaft coupling, 14, key, 18, bearing, 19, thrust ring, 20, bearing block, 21, the sealing felt collar; 22, tight fixed bolt, 23, screw rod, 24, contiguous block, 25, the attaching nut, 26, rubber blanket; 27, bolt, 30, the powder bucket that falls, 32, bolt, 34, copper pipe, 35, transfer tube.
The specific embodiment
Contrast accompanying drawing below, through the description to embodiment, specific embodiments of the invention is done further detailed explanation, to help those skilled in the art inventive concept of the present invention, technical scheme is had more complete, accurate and deep understanding.
Structure of the present invention as Fig. 1 expresses is a kind of water-cooled metal mould spun cast pipe mould powder conveyer, comprises basic case 1, powder storage bucket 2 and the powder bucket 30 that falls.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize replacing manual work to add the mould powder, improve the goal of the invention of the automatization level of centrifugal cast iron pipe production, the technical scheme that the present invention takes is:
As shown in Figure 1, water-cooled metal mould spun cast pipe mould powder conveyer provided by the present invention is provided with screw rod rotation transport sector, and drives the screw rod 23 in the said screw rod rotation transport sector through hydraulic motor 12.
The present invention eliminate mould powder machine in the prior art return wind locking plug, conveying capacity do not reach requirement, can not segmentation control etc. defective.Greatly reduce worker's labour intensity; Mould powder amount is stable to be controlled at about 2.0kg, adds the mould powder with manual work and compares the ton pipe and reduced 1-1.5kg; Stablize the ratio of briquetting index, stopped the waste product that mould powder machine fault causes; Guaranteed that continuous production shortened the fault effects time.The present invention is according to producing 350000 tons of calculating per year, preresearch estimates year benefit be about 3,000,000.
In powder storage bucket 2, add the mould powder, as power, drive screw rod 23 rotations, the mould powder is transferred in the powder bucket 30 through hydraulic motor 12 and variable-frequency motor; In the powder bucket 30 that falls, the mould powder mixes with wind, and vaporific mould powder through transfer tube 35, is transferred to the pipe die inwall.Not only solved the problem that wind often occurs returning, also solved mould powder conveying capacity simultaneously and do not reached the problem of requirement.
Described powder storage bucket 2 is installed on the described basic case 1 through fastening bolt 3, the side installation side cover plate 6 of described basic case 1.
The pipeline of described screw rod rotation transport sector is connected with the powder bucket 30 that falls through contiguous block 24.And carry out fasteningly through attaching nut 25, carry out damping and sealing through rubber blanket 26.
Transfer tube 35 is fixedly mounted on the lower end of powder bucket 30.
The described powder bucket 30 that falls is fixed on the basic case 1 through bolt 27.
The described powder bucket 30 that falls has also been installed bolt 32, and carries out fastening through nut and rubber blanket.
As shown in Figure 4, for the pipe joint structure sketch map of copper pipe 34 is installed on the powder bucket 30 that falls.
The described anti-wind apparatus that returns that has uniqueness from mould powder conveyer:
Described mould powder conveyer is provided with the anti-device that returns wind in the mould powder exit of said swing arm rotation transport sector, and the described anti-device that returns wind is to add spring capping at attaching nut 25 places in mould powder exit.Increase the degree of packing of mould powder in screw rod 23, also play the effect that prevents that blast from returning simultaneously.
Designed the anti-device that returns wind at depanning powder mouth, the spring capping that exports through the mould powder closely cooperates, and can stop to return the influence that wind causes fully.
The hydraulic system of described mould powder conveyer adopts proportional valve control; The motor of described hydraulic motor 12 adopts variable-frequency motor; The walking position of described proportioning valve and main frame carries out chain.
The present invention adopts hydraulic motor and the variable-frequency motor power as transmission, drives the screw rod rotation mould powder is transferred in the blending bin and pneumatics wind (preferably using nitrogen), and the pressure of mould powder through wind is transported to the pipe die inwall through the transfer tube of chute bottom.
The Hydraulic Power Transmission System usage ratio valve of mould powder conveyer, motor adopt variable-frequency motor as power, carry out chainly with the walking position of main frame, can realize segmentation control.Size according to pipe die diverse location mould powder amount demand is carried out cloth.
So-called segmentation control; Carry out cloth according to the size of pipe die diverse location mould powder amount demand exactly; In ductile iron pipe technology; The bellmouth of pipe die and socket mould powder demand are bigger than pipe shaft, make the mode of adding by hand realize existing big problem at present, but can head it off through segmentation control.
Hydraulic motor usage ratio valve, the firm and hard existing and main frame interlock of passing ratio realizes segmentation control; Or the use variable-frequency motor, realize segmentation control through frequency converter and main frame interlock.
Described screw rod 23 is for carbon steel and carry out Quenching Treatment.
Diameter and pitch to the screw rod 23 of mould powder conveyer are calculated and are tested; Guaranteed the conveying capacity of mould powder machine to various casts; Simultaneously screw rod 23 is carried out special Quenching Treatment, guaranteed mould powder transmission quantity and prolonged screw rod service time, prolonged the service life of screw rod.
As shown in Figure 3, be 10-12kg through calculating 30 seconds maximum outputs of this screw rod, satisfy technological requirement fully.
Above powder storage bucket 2, install pressure equaliser additional, that is: above described powder storage bucket 2, realize pressure balance through copper pipe 34 with the powder bucket 30 that falls with the powder bucket 30 that falls.Realizing pressure balance through copper pipe 34, also is to stop to return wind action.
Discharging opening there being mould powder machine screw rod has easily added the spring capping device, has added pressure equaliser simultaneously, has suppressed the appearance of most common failure effectively.
The mould powder transmission power of described mould powder conveyer adopts nitrogen, or adopts dry pneumatics wind; Simultaneously install triplet additional, with the stable 0.2-0.3MPa that is controlled at of blast in the air outlet front of mould powder machine.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (6)
1. water-cooled metal mould spun cast pipe mould powder conveyer; Comprise basic case (1), powder storage bucket (2) and the powder bucket that falls (30); It is characterized in that: described mould powder conveyer is provided with screw rod rotation transport sector, and drives the screw rod (23) in the said screw rod rotation transport sector through hydraulic motor (12).
2. according to the described water-cooled metal mould spun cast pipe of claim 1 mould powder conveyer; It is characterized in that: described mould powder conveyer is provided with the anti-device that returns wind in the mould powder exit of said swing arm rotation transport sector, and the described anti-device that returns wind is that the attaching nut (25) in mould powder exit locates to add spring capping.
3. according to the described water-cooled metal mould spun cast pipe of claim 1 mould powder conveyer, it is characterized in that: the hydraulic system of described mould powder conveyer adopts proportional valve control; The motor of described hydraulic motor (12) adopts variable-frequency motor; The walking position of described proportioning valve and main frame carries out chain.
4. according to the described water-cooled metal mould spun cast pipe of claim 1 mould powder conveyer, it is characterized in that: described screw rod (23) is for carbon steel and carry out Quenching Treatment.
5. according to the described water-cooled metal mould spun cast pipe of claim 1 mould powder conveyer, it is characterized in that: the top and the powder bucket (30) that falls at described powder storage bucket (2) are realized pressure balance through copper pipe (34).
6. according to the described water-cooled metal mould spun cast pipe of claim 1 mould powder conveyer, it is characterized in that: the mould powder transmission power of described mould powder conveyer adopts nitrogen, or adopts dry pneumatics wind; Simultaneously install triplet additional, with the stable 0.2-0.3MPa that is controlled at of blast in the air outlet front of mould powder machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210090535.3A CN102632215B (en) | 2012-03-30 | 2012-03-30 | Water-cooled metal type centrifugal cast pipe mold powder conveyor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210090535.3A CN102632215B (en) | 2012-03-30 | 2012-03-30 | Water-cooled metal type centrifugal cast pipe mold powder conveyor |
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| CN102632215A true CN102632215A (en) | 2012-08-15 |
| CN102632215B CN102632215B (en) | 2014-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826878A (en) * | 2015-05-08 | 2015-08-12 | 鲁东大学 | Automatic graphite scattering device of perforated capillary pipe |
| CN109261926A (en) * | 2018-11-23 | 2019-01-25 | 芜湖新兴铸管有限责任公司 | Cast tube centrifuge tube drawing pliers encoder and proportioning valve failure automatic protecting method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312509B (en) * | 2015-09-30 | 2017-12-22 | 芜湖新兴铸管有限责任公司 | A kind of method of work of pipe die powder spraying machine |
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| US4904285A (en) * | 1987-07-29 | 1990-02-27 | Mitsubishi Kasei Corporation | Deaerator for particulates |
| CN2230307Y (en) * | 1995-11-09 | 1996-07-03 | 苏新页 | Screw-type mass-loading-unloading machine |
| CN2313689Y (en) * | 1997-12-30 | 1999-04-14 | 新兴铸管(集团)有限责任公司 | Water cooling centrifugal pipe caster |
| CN2661644Y (en) * | 2003-09-29 | 2004-12-08 | 石家庄钢铁股份有限公司 | Powdery material metering screw conveyer |
| CN201815641U (en) * | 2010-09-03 | 2011-05-04 | 新兴铸管股份有限公司 | Automatic powder sprayer |
| CN102319878A (en) * | 2011-08-05 | 2012-01-18 | 包头联方高新技术有限责任公司 | Billet continuous casting covering slag adding apparatus |
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2012
- 2012-03-30 CN CN201210090535.3A patent/CN102632215B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4904285A (en) * | 1987-07-29 | 1990-02-27 | Mitsubishi Kasei Corporation | Deaerator for particulates |
| CN2230307Y (en) * | 1995-11-09 | 1996-07-03 | 苏新页 | Screw-type mass-loading-unloading machine |
| CN2313689Y (en) * | 1997-12-30 | 1999-04-14 | 新兴铸管(集团)有限责任公司 | Water cooling centrifugal pipe caster |
| CN2661644Y (en) * | 2003-09-29 | 2004-12-08 | 石家庄钢铁股份有限公司 | Powdery material metering screw conveyer |
| CN201815641U (en) * | 2010-09-03 | 2011-05-04 | 新兴铸管股份有限公司 | Automatic powder sprayer |
| CN102319878A (en) * | 2011-08-05 | 2012-01-18 | 包头联方高新技术有限责任公司 | Billet continuous casting covering slag adding apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826878A (en) * | 2015-05-08 | 2015-08-12 | 鲁东大学 | Automatic graphite scattering device of perforated capillary pipe |
| CN109261926A (en) * | 2018-11-23 | 2019-01-25 | 芜湖新兴铸管有限责任公司 | Cast tube centrifuge tube drawing pliers encoder and proportioning valve failure automatic protecting method |
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| Publication number | Publication date |
|---|---|
| CN102632215B (en) | 2014-08-20 |
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