CN101579687B - Oil sludge recovery mechanism - Google Patents

Oil sludge recovery mechanism Download PDF

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Publication number
CN101579687B
CN101579687B CN2009101040895A CN200910104089A CN101579687B CN 101579687 B CN101579687 B CN 101579687B CN 2009101040895 A CN2009101040895 A CN 2009101040895A CN 200910104089 A CN200910104089 A CN 200910104089A CN 101579687 B CN101579687 B CN 101579687B
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China
Prior art keywords
gear
greasy filth
bucket
oil sludge
high temperature
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Expired - Fee Related
Application number
CN2009101040895A
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Chinese (zh)
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CN101579687A (en
Inventor
李洲荣
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Priority to CN2009101040895A priority Critical patent/CN101579687B/en
Publication of CN101579687A publication Critical patent/CN101579687A/en
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Publication of CN101579687B publication Critical patent/CN101579687B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30Feeding material to presses
    • B30B15/302Feeding material in particulate or plastic state to moulding presses
    • B30B15/308Feeding material in particulate or plastic state to moulding presses in a continuous manner, e.g. for roller presses, screw extrusion presses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses an oil sludge recovery mechanism which is characterized in that the oil sludge recovery mechanism is provided with an oil sludge recovery hopper which is internally provided with a sludge breaking mechanism and a rolling mechanism; wherein the rolling compaction mechanism is near an outlet of the oil sludge recovery hopper; a sludge outgoing cabin is arranged at the outlet of the oil sludge recovery hopper; a sludge inlet of the sludge outgoing cabin is installed in a tight matching way at the outlet of the oil sludge recovery hopper; the sludge outgoing cabin is internally provided with a helix tube pillar; the front end of the helix tube pillar is connected with a driving mechanism; the end of the helix tube pillar is near the sludge outlet of the sludge outgoing cabin. The oil sludge recovery mechanism has the advantages that the oil sludge recovery mechanism has the compact structure, can increase the recovery efficiency of the oil sludge, lowers the recovery cost, accelerates the recovery speed and the whole recovery process is clean.

Description

Oil sludge recovery mechanism
Technical field
The present invention relates to greasy filth recovery technology field, is a kind of oil sludge recovery mechanism of making for car model that can be convenient to the greasy filth recovery specifically.
Background technology
In market economy and scientific and technological growing today, Automobile Design technology and manufacture level improve constantly.New demand automobile proposed for adapting to market, Automobile Design has also broken through traditional program, the independent development of marching toward, the New Times that adapts to target market and improve design efficiency, in the development of automobile process, determine and meet function, aesthetic and vehicle configuration curves market demands are extremely important, the making of model and to measure be key link wherein, contracting is a vital step in the design forward position than the making of plasticine model, its objective is the thought of reproducing shape-designing with in kind, the stereoeffect of checking shape-designing design sketch, be optimized with division and prove, also can be in order to the wind tunnel test of contrast property, selected moulding model is carried out to three-dimensional coordinate measurement and processing, can obtain efficiently and accurately moulding curve and surface coordinate data.And greasy filth is the material that plasticine model is made, thereby greasy filth just seems most important to plasticine model, and the inconvenient greasy filth of the workbench that current plasticine model is made reclaims, recovery for greasy filth is paid little attention to, organic efficiency is low, service efficiency to greasy filth is just poor, thereby makes production cost just larger.
As mentioned above, prior art has the following disadvantages: the inconvenient greasy filth of the workbench that plasticine model is made reclaims, and there is no a kind of device that greasy filth reclaims that is specifically designed to, and the greasy filth organic efficiency is low, and the service efficiency of greasy filth is poor, and production cost is high.
Summary of the invention
The objective of the invention is to propose a kind of oil sludge recovery mechanism that greasy filth reclaims of being convenient to, can improve the greasy filth organic efficiency, reduce cost recovery.
For achieving the above object, the invention provides a kind of oil sludge recovery mechanism, its key is: be provided with greasy filth and reclaim bucket, this greasy filth reclaims in bucket mud smash machine structure and rolling body is installed, wherein rolling body reclaims the outlet of bucket near described greasy filth, the exit of reclaiming bucket at described greasy filth is equipped with out hopper dredger, this goes out the mud inlet of hopper dredger and the outlet tight fit installation that described greasy filth reclaims bucket, described, go out in hopper dredger spiral tube is installed, the front end of this spiral tube connects driving mechanism, and the end of spiral tube is near the described mud mouth that goes out hopper dredger.
The mud smash machine structure pushes and pulverizes the greasy filth piece of bulk, form the easily little greasy filth piece of processing, rolled and become the greasy filth material that is easy to processing by rolling body again, after evenly pushing in spiral tube is going out hopper dredger, mud mouth is sent and is convenient to again moulding recovery greasy filth.Improve the greasy filth organic efficiency, reduced the cost recovery of greasy filth.
Reclaim the bucket exit at described greasy filth and also be provided with heating gate, this heating gate communicates with the air outlet of air blast, and this heating gate place also is furnished with electrical heating wire.
By the greasy filth after high-temperature heating, more easily by again moulding, be convenient to reclaim.
The described mud mouth that goes out hopper dredger is the descending bell of convergence gradually of bore, and the end of described spiral tube is positioned at the heavy caliber end of this bell.
Taper is closed up and is easy to reclaiming the shaping of greasy filth.
Described mud smash machine structure is comprised of the gear that pulverizes of three pairs of mutual interlocks, and three pairs are pulverized gear and are followed successively by from top to bottom large-scale gear mesh, medium-sized gear mesh, the small-sized gear mesh that pulverizes of pulverizing of pulverizing;
The cross section that described greasy filth reclaims bucket is rectangle, and the wide and described rectangular cross section width of the three pairs of wheels that pulverize gear matches.Guaranteed that all recovery greasy filth all will pulverize gear pulverizing from big to small through three pairs, is beneficial to the moulding needs of follow-up heating.
Described rolling body is that a pair of high temperature cylinder forms side by side, and the outer wall of described high temperature cylinder evenly is placed with straight-tooth.
After the high temperature cylinder rolls, make greasy filth more soft, more easily moulding.
Described driving mechanism is comprised of motor and worm couple, and wherein worm screw is fixed on the output shaft of described motor, and worm gear is fixed on the front end of described spiral tube.
Driving mechanism drives spiral tube and push recovery greasy filth in going out hopper dredger, has guaranteed that the quality of recovery greasy filth is even.
Driving gear also is installed on the output shaft of described motor, and this driving gear pulverizes gear mesh through driving gear set and described large, medium and small type and is connected with the high temperature cylinder;
Described large, medium and small type pulverizes gear mesh and a pair of high temperature cylinder symmetry and is arranged on the both sides that described greasy filth reclaims the bucket axis, and each is contrary to the direction of rotation of pulverizing gear and high temperature cylinder, pull pulverize between gear and the high temperature cylinder between greasy filth push downwards.
Greasy filth reclaim greasy filth in bucket successively through large-scale pulverize gap between gear mesh, medium-sized pulverize the gap between gear mesh, small-sized gap and the gap between the high temperature cylinder of pulverizing between gear mesh after, the outlet of reclaiming bucket from greasy filth fully falls into the described hopper dredger that goes out.
Driving gear set is comprised of 14 travelling gears, wherein the dedendum flank of the first gear and described driving gear are grinned and are closed, the addendum flank of this first gear is grinned and is closed mutually with the second gear, this second gear is grinned and is closed mutually with the 3rd left gear and the 4th left gear respectively, wherein the right flank of tooth of the 4th left gear is grinned and is closed mutually with the left flank of tooth of the 4th right gear, and described the 4th left gear and the 4th right gear two high temperature cylinders right with described high temperature cylinder respectively coaxially are connected;
Described the 4th right gear is also grinned and is closed mutually with the 5th gear, and the 5th gear is also grinned and closed mutually with the 3rd right gear, and described the 3rd left gear is taken turns coaxial the connection with described small-sized two small-sized pulverizing of pulverizing gear mesh respectively with the 3rd right gear;
Described the 3rd left gear is also grinned and is closed mutually with the 6th gear, the 6th gear is grinned and is combined in the dedendum flank of the 7th left gear, the addendum flank of the 7th left gear is grinned and is closed mutually with the dedendum flank of the 8th left gear, and the addendum flank of the 8th left gear is grinned and closed mutually with the dedendum flank of the 9th left gear;
Described the 6th gear is also grinned and is closed with the one side of the tenth gear, the tenth gear is grinned and is combined in the dedendum flank of the 7th right gear, the addendum flank of the 7th right gear is grinned and is closed mutually with the dedendum flank of the 8th right gear, and the addendum flank of the 8th right gear is grinned and closed mutually with the dedendum flank of the 9th right gear.
Described the 9th left gear is taken turns coaxial the connection with described large-scale two large-scale pulverizing of pulverizing gear mesh respectively with the 9th right gear;
Described the 7th left gear is taken turns coaxial the connection with described medium-sized two medium-sized pulverizing of pulverizing gear mesh respectively with the 7th right gear.
Also sprocket wheel can be installed on the output shaft of described motor, by sprocket wheel and chain drive, drive large, medium and small type to pulverize gear mesh and high temperature cylinder orientation is at the uniform velocity rotated.
Large, medium and small type pulverizes gear mesh and the high temperature cylinder rotates coordinating, and contributes to send uniformly to going out hopper dredger the soft greasy filth of easier moulding processing.
Remarkable result of the present invention is: a kind of oil sludge recovery mechanism that greasy filth reclaims of being convenient to is provided, and its compact conformation, can improve the greasy filth organic efficiency, reduces cost recovery, accelerates recovery speed, and whole removal process is totally clean.
The accompanying drawing explanation
Fig. 1 is stereoscopic figure of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is front view of the present invention;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the drive connection figure of driving gear set.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, 3: a kind of oil sludge recovery mechanism, be provided with greasy filth and reclaim bucket 1, this greasy filth reclaims in bucket 1 mud smash machine structure and rolling body is installed, wherein rolling body reclaims the outlet of bucket 1 near described greasy filth, the exit of reclaiming bucket 1 at described greasy filth is equipped with out hopper dredger 2, this goes out the mud inlet of hopper dredger 2 and the outlet tight fit installation that described greasy filth reclaims bucket 1, described, go out in hopper dredger 2 spiral tube 3 is installed, the front end of this spiral tube 3 connects driving mechanism, and the end of spiral tube 3 is near the described mud mouth that goes out hopper dredger 2.
Reclaim bucket 1 exit at described greasy filth and also be provided with heating gate, this heating gate communicates with the air outlet of air blast 4, and this heating gate place also is furnished with electrical heating wire 5.
The described mud mouth that goes out hopper dredger 2 is the descending bell of convergence gradually of bore, and the end of described spiral tube 3 is positioned at the heavy caliber end of this bell.
Described mud smash machine structure is comprised of the gear that pulverizes of three pairs of mutual interlocks, and three pairs are pulverized gear and are followed successively by from top to bottom large-scale gear mesh 7, medium-sized gear mesh 8, the small-sized gear mesh 9 that pulverizes of pulverizing of pulverizing;
The cross section that described greasy filth reclaims bucket 1 is rectangle, and the wide and described rectangular cross section width of the three pairs of wheels that pulverize gear matches.
Described rolling body is that a pair of high temperature cylinder 10 forms side by side, and the outer wall of described high temperature cylinder 10 evenly is placed with straight-tooth.
As shown in Figure 2,4: described driving mechanism is comprised of motor 6 and worm couple, and wherein worm screw is fixed on the output shaft of described motor 6, and worm gear is fixed on the front end of described spiral tube 3.
Driving gear 11 also is installed on the output shaft of described motor 6, and this driving gear 11 pulverizes gear mesh 7,8,9 through driving gear set and described large, medium and small type and is connected with high temperature cylinder 10;
Described large, medium and small type pulverizes gear mesh 7,8,9 and a pair of high temperature cylinder 10 symmetries are arranged on the both sides that described greasy filth reclaims bucket 1 axis, and each is contrary to the direction of rotation of pulverizing gear and high temperature cylinder 10, pulls and pulverize between gear and the greasy filth of 10, high temperature cylinder pushes downwards.
As shown in Figure 5: driving gear set is comprised of 14 travelling gears, wherein the dedendum flank of the first gear a and described driving gear are grinned and are closed, the addendum flank of this first gear a is grinned and is closed mutually with the second gear b, this second gear b is grinned and is closed mutually with the 3rd left gear c1 and the 4th left gear d1 respectively, wherein the right flank of tooth of the 4th left gear d1 is grinned and is closed mutually with the left flank of tooth of the 4th right gear d2, and described the 4th left gear d1 and the 4th right gear d2 two high temperature cylinders right with described high temperature cylinder respectively coaxially are connected;
Described the 4th right gear d2 is also grinned and is closed mutually with the 5th gear e, and the 5th gear e is also grinned and closed mutually with the 3rd right gear c2, and described the 3rd left gear c1 takes turns coaxial the connection with described small-sized two small-sized pulverizing of pulverizing gear mesh respectively with the 3rd right gear c2;
Described the 3rd left gear c1 is also grinned and is closed mutually with the 6th gear f, the 6th gear f is grinned and is combined in the dedendum flank of the 7th left gear g1, the addendum flank of the 7th left gear g1 is grinned and is closed mutually with the dedendum flank of the 8th left gear h1, and the addendum flank of the 8th left gear h1 is grinned and closed mutually with the dedendum flank of the 9th left gear i1;
Described the 6th gear f is also grinned and is closed with the one side of the tenth gear j, the tenth gear j is grinned and is combined in the dedendum flank of the 7th right gear g2, the addendum flank of the 7th right gear g2 is grinned and is closed mutually with the dedendum flank of the 8th right gear h2, and the addendum flank of the 8th right gear h2 is grinned and closed mutually with the dedendum flank of the 9th right gear i2.
Described the 9th left gear i1 takes turns coaxial the connection with described large-scale two large-scale pulverizing of pulverizing gear mesh respectively with the 9th right gear i2;
Described the 7th left gear g1 takes turns coaxial the connection with described medium-sized two medium-sized pulverizing of pulverizing gear mesh respectively with the 7th right gear g2.
Also sprocket wheel can be installed on the output shaft of described motor, by sprocket wheel and chain drive, drive large, medium and small type to pulverize gear mesh and high temperature cylinder orientation is at the uniform velocity rotated.
Its operation principle is as follows: greasy filth reclaims greasy filth in bucket 1 successively behind the gap of 10, large-scale gap of pulverizing 7 of gear mesh, medium-sized gap of pulverizing 8 of gear mesh, small-sized gap of pulverizing 9 of gear mesh and high temperature cylinder, and the outlet of reclaiming bucket 1 from greasy filth fully falls into the described hopper dredger 2 that goes out.
Large, medium and small type pulverizes gear mesh 7,8,9 and successively the greasy filth piece is pushed and pulverizes, form the easily little greasy filth piece of processing, roll and become the greasy filth material that is easy to processing by high temperature cylinder 10 again, after spiral tube 3 is going out the interior even extruding of hopper dredger 2, mud mouth is sent and is convenient to again moulding recovery greasy filth.

Claims (5)

1. an oil sludge recovery mechanism, it is characterized in that: be provided with greasy filth and reclaim bucket (1), this greasy filth reclaims in bucket (1) mud smash machine structure and rolling body is installed, wherein rolling body reclaims the outlet of bucket (1) near described greasy filth, the exit of reclaiming bucket (1) at described greasy filth is equipped with out hopper dredger (2), this goes out the mud inlet of hopper dredger (2) and the outlet tight fit installation that described greasy filth reclaims bucket (1), described, go out in hopper dredger (2) spiral tube (3) is installed, the front end of this spiral tube (3) connects driving mechanism, the described mud mouth that goes out hopper dredger (2) is the descending bell of convergence gradually of bore, the end of spiral tube (3) is positioned at the heavy caliber end of this bell, reclaim bucket (1) exit at described greasy filth and also be provided with heating gate, this heating gate communicates with the air outlet of air blast (4), and this heating gate place also is furnished with electrical heating wire (5).
2. oil sludge recovery mechanism according to claim 1, it is characterized in that: described mud smash machine structure is comprised of the gear that pulverizes of three pairs of mutual interlocks, and three pairs are pulverized gear and are followed successively by from top to bottom large-scale gear mesh (7), medium-sized gear mesh (8), the small-sized gear mesh (9) that pulverizes of pulverizing of pulverizing;
The cross section that described greasy filth reclaims bucket (1) is rectangle, and the wide and described rectangular cross section width of the three pairs of wheels that pulverize gear matches.
3. oil sludge recovery mechanism according to claim 2, it is characterized in that: described rolling body is that a pair of high temperature cylinder (10) forms side by side, and the outer wall of described high temperature cylinder (10) evenly is placed with straight-tooth.
4. oil sludge recovery mechanism according to claim 3, it is characterized in that: described driving mechanism is comprised of motor (6) and worm couple, and wherein worm screw is fixed on the output shaft of described motor (6), and worm gear is fixed on the front end of described spiral tube (3).
5. oil sludge recovery mechanism according to claim 4, it is characterized in that: driving gear (11) also is installed on the output shaft of motor (6), and this driving gear (11) pulverizes gear mesh (7,8,9) through driving gear set and large, medium and small type and is connected with high temperature cylinder (10);
Described large, medium and small type pulverizes gear mesh (7,8,9) and a pair of high temperature cylinder (10) symmetry is arranged on the both sides that described greasy filth reclaims bucket (1) axis, and each is contrary to the direction of rotation of pulverizing gear and high temperature cylinder (10), pull pulverize between gear and high temperature cylinder (10) between greasy filth push downwards.
CN2009101040895A 2009-06-15 2009-06-15 Oil sludge recovery mechanism Expired - Fee Related CN101579687B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101579687B true CN101579687B (en) 2013-12-11

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CN104941719A (en) * 2015-06-27 2015-09-30 益阳市永明新能源科技有限公司 Automatic wheel-rolling powdered carbon forming machine
CN106734094B (en) * 2016-12-25 2018-11-27 重庆腾通工业设计有限公司 A kind of Fatlute recovering device
CN109200850B (en) * 2017-07-04 2020-07-28 广州汽车集团股份有限公司 Oil sludge recovery device
CN109437497B (en) * 2017-08-30 2021-04-16 广州汽车集团股份有限公司 Oil sludge recovery treatment equipment
CN108176450B (en) * 2017-12-28 2019-11-05 吴超 Graphite pulverizer
CN108311514A (en) * 2018-01-30 2018-07-24 重庆腾通工业设计有限公司 Greasy filth reclaimer for plasticine model processing
CN108192501B (en) * 2018-01-31 2020-06-02 重庆中壹迪工业设计有限公司 Manufacturing process of car shell model
CN108327440B (en) * 2018-01-31 2020-04-14 重庆中壹迪工业设计有限公司 Device for manufacturing automobile model

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1833523A (en) * 2005-03-18 2006-09-20 内蒙古伊利实业集团股份有限公司 Rotary extruder head
CN200957688Y (en) * 2006-05-26 2007-10-10 中国印钞造币总公司 Thick-fluid material collecting conveyor
CN200980312Y (en) * 2006-10-30 2007-11-28 内蒙古伊利实业集团股份有限公司 Rotating discharging head
CN201124545Y (en) * 2007-11-05 2008-10-01 梅胜旺 Rubber recovery separator
CN201419438Y (en) * 2009-06-15 2010-03-10 力帆实业(集团)股份有限公司 Fatlute recovering device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2700626B2 (en) * 1995-08-28 1998-01-21 吉弘 岩田 Method and apparatus for treating oil sludge
JP2002273359A (en) * 2001-03-19 2002-09-24 Mitsubishi Electric Corp Cleaning method for removing oil from container, intracontainer oil recovering device, compressor crushing and sorting method, compressor crushing device and compressing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1833523A (en) * 2005-03-18 2006-09-20 内蒙古伊利实业集团股份有限公司 Rotary extruder head
CN200957688Y (en) * 2006-05-26 2007-10-10 中国印钞造币总公司 Thick-fluid material collecting conveyor
CN200980312Y (en) * 2006-10-30 2007-11-28 内蒙古伊利实业集团股份有限公司 Rotating discharging head
CN201124545Y (en) * 2007-11-05 2008-10-01 梅胜旺 Rubber recovery separator
CN201419438Y (en) * 2009-06-15 2010-03-10 力帆实业(集团)股份有限公司 Fatlute recovering device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2002-273359A 2002.09.24
JP特开平9-60848A 1997.03.04

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