CN102069429B - System for polishing and treating inner and outer walls of vertical type open-top barrels - Google Patents
System for polishing and treating inner and outer walls of vertical type open-top barrels Download PDFInfo
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- CN102069429B CN102069429B CN 200910224426 CN200910224426A CN102069429B CN 102069429 B CN102069429 B CN 102069429B CN 200910224426 CN200910224426 CN 200910224426 CN 200910224426 A CN200910224426 A CN 200910224426A CN 102069429 B CN102069429 B CN 102069429B
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- 238000005498 polishing Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims description 58
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 claims description 8
- 238000011282 treatment Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
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Abstract
The invention discloses a system for polishing and treating inner and outer walls of vertical type open-top barrels. The system can simultaneously carry out polishing treatments to inner and outer walls of a barrel, wherein the system can change with the changing of the outer wall shapes when polishing an outer wall; a brush can telescope when an inner wall is being polished. The system comprises a mainframe, an inner wall polishing treatment mechanism and an outer wall polishing treatment mechanism, wherein the upper part of the mainframe is provided with a barrel rotary mechanism which comprises a bucket rack, a jig, a barrel rotation motor and a bucket rack elevation driving mechanism which is arranged between the bucket rack and the mainframe. The outer wall polishing treatment mechanism comprises a brush head, a brush shaft, an outer wall polishing motor, a return spring, a rotation shaft, a spring touch panel and a first connection board in parallel with a second connection board; the inner wall polishing treatment mechanism comprises an inner wall motor and an inner wall brush assembly. The system of the present invention can complete the polishing treatments both of inner and outer walls in a same operation, which can reduce operation and raise production efficiency.
Description
Technical field
The present invention relates to a kind of vertical stand inside and outside wall grinding process system.
Background technology
In waste and old steel drum renovation processing procedure, need to carry out sanding and polishing to the inner and outer wall of bucket.Because bucket has the twice reinforcement on the outer wall, simultaneously, a bucket outer wall in use causes uneven, is not the circle of a rule, therefore, needs workpiece polishing mechanism to have the function that the variation with the outer wall shape changes when the polishing outer wall.At present, in order to achieve the above object, developed horizontal bucket outer wall polishing mechanism.Horizontal steel barrel bung horizontal positioned, flue dust flies upward in polishing, the polishing process, is unfavorable for environmental protection.At present, in order to overcome above-mentioned shortcoming, developed vertical barrel wall polishing system, but this vertical barrel wall polishing system can only be used for the grinding process of bucket inwall, can't carry out the grinding process of barrel outer wall, causes the increase of production process, increase investment, reduced production efficiency.Head size is less than the barrel cavity size, but since brush and bucket not on same axis, the decline resistance of bucket is still very large.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, provide a kind of and can carry out grinding process to bucket inwall and bucket outer wall simultaneously, the outer wall polishing time can change with the variation of outer wall shape, vertical stand inside and outside wall grinding process system that brush can stretch during the inwall polishing.
The present invention is achieved through the following technical solutions:
A kind of vertical stand inside and outside wall grinding process system, it is characterized in that, comprise mainframe, inwall grinding process mechanism and outer wall grinding process mechanism, be provided with a barrel rotating mechanism on the top of mainframe, on mainframe, be provided with inwall grinding process mechanism with the corresponding position of bucket inwall, on mainframe, be provided with outer wall grinding process mechanism with the corresponding position of bucket outer wall; Described bucket rotating mechanism comprises well-bucket frame, jig, bucket electric rotating machine, well-bucket frame lift drive mechanism, on the described well-bucket frame jig is installed, described jig by transmission mechanism be fixed on the well-bucket frame on the bucket electric rotating machine be connected, well-bucket frame lift drive mechanism is installed between described well-bucket frame and the mainframe;
Described inwall grinding process mechanism comprises inwall polishing motor and inwall brush assembly, described inwall brush assembly comprises a plurality of brushes unit that arranges along same circumference, the external hollow sleeve, interior cannulated sleeve, interior cannulated sleeve telescopic drive mechanism, back-moving spring, the first terminal pad, the second terminal pad and identical with the brush element number by first connecting rod, the brush telescopic drive mechanism that second connecting rod and third connecting rod form, first connecting rod in the described brush telescopic drive mechanism is fixedly connected with second connecting rod, described second connecting rod and third connecting rod are hinged, described interior cannulated sleeve is positioned at the external hollow sleeve inner, described interior cannulated sleeve upper end is provided with the first terminal pad, be rotatably connected between described the first terminal pad and the interior cannulated sleeve, described first connecting rod and the first terminal pad are hinged, described third connecting rod is fixedly connected with external hollow sleeve upper end, between the first terminal pad and external hollow sleeve, be provided with the back-moving spring that is enclosed within interior cannulated sleeve outside, the lower end of described interior cannulated sleeve is connected with interior cannulated sleeve telescopic drive mechanism, described external hollow sleeve is connected with inwall polishing motor by transmission mechanism, the lower end of described external hollow sleeve second terminal pad that has been rotatably connected, described the second terminal pad is fixedly connected with mainframe; Described inwall brush assembly is the decentraction setting with bucket, contacts with the bucket inwall with the brush unit of the corresponding side in outer wall grinding process unit in the described inwall brush assembly.
Described outer wall grinding process mechanism comprises brush head, the brush axle, outer wall polishing motor, the first connecting plate parallel to each other and the second connecting plate, back-moving spring, turning cylinder and spring touch panel, described the first connecting plate one side is equipped with brush axle and outer wall polishing motor, the opposite side of described the first connecting plate is fixed with the spring touch panel, with on the second connecting plate of spring touch panel relevant position the back-moving spring that is connected with the spring touch panel is installed, described turning cylinder one end and the second connecting plate are rotatably connected, the other end of described turning cylinder is fixedly connected with the first connecting plate, described the second connecting plate is fixed on the mainframe, described outer wall polishing motor is connected with described brush axle by transmission mechanism, and the end of described brush axle is fixed with brush head.
Described well-bucket frame lift drive mechanism comprises the lifting motor that is fixed on the mainframe, described lifting motor is connected with elevating screw by transmission mechanism, described elevating screw is threaded with the well-bucket frame, is provided with the guiding mechanism that is comprised of guide pillars and bushes between well-bucket frame and mainframe.
Be provided with the barrel of the upper shed that is fixedly connected with gripper shoe in mainframe middle part and the corresponding position of jig, described gripper shoe and external hollow sleeve outside are rotatably connected, a plurality of brushes unit in brush head in the outer wall grinding process mechanism and the inwall grinding process mechanism is positioned at barrel inside, is provided with the dirt clean-up port on the described barrel.
Described interior cannulated sleeve telescopic drive mechanism is for driving cylinder, and described driving cylinder is connected with interior cannulated sleeve by draw back plate.
Described jig is chuck, and the dwang of described chuck and being fixed between the pushing ram of the card bucket cylinder on the well-bucket frame is rotatably connected, and described dwang is connected with a bucket electric rotating machine by transmission mechanism.
Be provided with bocca on the first terminal pad in the described inwall grinding process mechanism, in interior cannulated sleeve, flame device be installed.
The present invention has following technique effect:
1, treatment system of the present invention can be carried out grinding process to bucket inwall and bucket outer wall simultaneously, can change with the variation of outer wall shape during the outer wall polishing, inwall polishing and outer wall polishing are finished in same operation, saved operation, improve production efficiency, saved investment of production.
2, system of the present invention is when inwall is polished, and brush can shrink in bucket decline process, can stretch out during polishing, avoids brush to be obstructed in bucket decline process, and is easy to use.
3, the present invention adopts vertical structure, and the steel drum bung is downward, is convenient to the recovery of dust, waste material, has improved environment protecting.
Description of drawings
Fig. 1 is the schematic diagram of the vertical stand inside and outside wall of the present invention grinding process system;
Fig. 2 is the side view of the vertical stand inside and outside wall of the present invention grinding process system;
Fig. 3 is the position relationship schematic diagram between outer wall brush head, inwall brush general name assembly and the bucket;
Fig. 4 is the cutaway view of inwall brush assembly;
Fig. 5 is the schematic diagram of outer wall grinding process mechanism;
Fig. 6 is the schematic diagram of the first connecting plate in the outer wall grinding process mechanism;
Fig. 7 is the A-A cutaway view;
Fig. 8 is the schematic diagram of the second connecting plate in the outer wall grinding process mechanism;
Fig. 9 is the B-B cutaway view.
The specific embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
The schematic diagram of the vertical stand inside and outside wall of the present invention grinding process system such as Fig. 1 comprise mainframe 16, inwall grinding process mechanism 11 and outer wall grinding process mechanism 8 to shown in Figure 9.Be provided with a barrel rotating mechanism on the top of mainframe, on mainframe, be provided with inwall grinding process mechanism with the corresponding position of bucket inwall, on mainframe, be provided with outer wall grinding process mechanism with the corresponding position of bucket outer wall.Described bucket rotating mechanism comprises well-bucket frame 2, jig 1, bucket electric rotating machine 5, well-bucket frame lift drive mechanism, on the well-bucket frame jig is installed, jig by transmission mechanism be fixed on the well-bucket frame on the bucket electric rotating machine be connected, well-bucket frame lift drive mechanism is installed between well-bucket frame and the mainframe.Wherein, well-bucket frame lift drive mechanism can be the various structures form.Adopt motor-driven structure in the present embodiment.Described well-bucket frame lift drive mechanism comprises the lifting motor 7 that is fixed on the mainframe, and lifting motor 7 is connected with elevating screw 9 by transmission mechanism, and elevating screw 9 is threaded with well-bucket frame 2.In order to ensure the reliability of lifting, between well-bucket frame and mainframe, be provided with the guiding mechanism that is formed by guide pillar 4 and guide pin bushing 6.Jig is chuck in the present embodiment, and the dwang of described chuck and being fixed between the pushing ram of the card bucket cylinder 3 on the well-bucket frame is rotatably connected, and described dwang is connected with a bucket electric rotating machine by transmission mechanism.
Described inwall grinding process mechanism comprises inwall polishing motor 13 and inwall brush assembly, described inwall brush assembly comprises a plurality of brushes unit 19 that arranges along same circumference, external hollow sleeve 27, interior cannulated sleeve 26, interior cannulated sleeve telescopic drive mechanism, back-moving spring 24, the first terminal pad 21, the second terminal pad 14 and identical with the brush element number by first connecting rod 20, the brush telescopic drive mechanism that second connecting rod 22 and third connecting rod 23 form, first connecting rod 20 in the described brush telescopic drive mechanism is fixedly connected with second connecting rod 22, and second connecting rod 22 is hinged with third connecting rod 23.Described interior cannulated sleeve is positioned at the external hollow sleeve inner, interior cannulated sleeve 26 upper ends are provided with the first terminal pad 21, the first terminal pad 21 is by being rotatably connected between thrust bearing 25 and the interior cannulated sleeve, first connecting rod 20 and the first terminal pad 21 are hinged, and third connecting rod 23 is fixedly connected with external hollow sleeve 27 upper ends.Between the first terminal pad 21 and external hollow sleeve 27, be provided with the back-moving spring 24 that is enclosed within interior cannulated sleeve outside, the lower end of interior cannulated sleeve is connected with interior cannulated sleeve telescopic drive mechanism, and external hollow sleeve 27 is connected by transmission mechanism 28 and the inwall motor 13 of polishing.The lower end of external hollow sleeve 27 is fixedly connected with mainframe 16 by bearing 30 the second terminal pad 14, the second terminal pads 14 that have been rotatably connected.The flexible of interior cannulated sleeve can adopt implemented in many forms, and the interior cannulated sleeve telescopic drive mechanism in the present embodiment drives cylinder 18 and is connected with interior cannulated sleeve 26 by draw back plate 29 for driving cylinder 18.Described inwall brush assembly is the decentraction setting with bucket, contact with the bucket inwall with the brush unit of the corresponding side in outer wall grinding process unit in the described inwall brush assembly, the bucket inwall is polished, its schematic diagram as shown in Figure 3, the pending bucket of 39 expressions among the figure, the circle that 40 expressions surround along a plurality of brushes unit of same circumference setting, 41 represent the center of the circle that surrounds along a plurality of brushes unit of same circumference setting, also be the center of inwall brush assembly, the center of 42 expression buckets 39.
Described outer wall grinding process mechanism comprises brush head 31, brush axle 32, outer wall polishing motor 17, the first connecting plate 36 parallel to each other and the second connecting plate 37, back-moving spring 34, turning cylinder 35 and spring touch panel 33, the first connecting plate 36 1 sides are equipped with brush axle 32 and outer wall polishing motor 17, the opposite side of the first connecting plate 36 is fixed with spring touch panel 33, with on the second connecting plate of spring touch panel relevant position the back-moving spring 34 that is connected with the spring touch panel is installed, turning cylinder 35 1 ends and the second connecting plate 37 are rotatably connected, and the other end inserts in the rotational axis hole 38 and with the first connecting plate 36 and is fixedly connected with.The second connecting plate 37 is fixed on the mainframe 16, and outer wall polishing motor 17 is connected with brush axle 32 by transmission mechanism, and the end of brush axle 32 is fixed with brush head 31.
For the dust polluting environment that prevents from producing in the bruting process, be provided with the barrel 10 of the upper shed that is fixedly connected with gripper shoe 12 in mainframe middle part and the corresponding position of jig, gripper shoe 12 is rotatably connected with external hollow sleeve 27 outsides, a plurality of brushes unit in brush head in the outer wall grinding process mechanism and the inwall grinding process mechanism is positioned at barrel inside, is provided with dirt clean-up port 15 on the barrel.
When system of the present invention is used for the steel drum preliminary treatment, because there are a lot of refuses in inside, need flame, to the processing of burning of the refuse of inside, at this moment, be provided with bocca on the first terminal pad in the described inwall grinding process mechanism, in interior cannulated sleeve, flame device be installed.
Upper bucket machine is delivered to the barrel top with bucket, and the action of card bucket cylinder drives chuck bucket is blocked.Interior cannulated sleeve telescopic drive cylinder action, cannulated sleeve, the first terminal pad, first connecting rod reach the brush unit action that is fixedly connected with first connecting rod in driving, and back-moving spring is compressed.Because first connecting rod and the first terminal pad are hinged, the brush bristles of brush unit holds up, and is convenient to bucket and descends.The lifting motor action drives elevating screw, and the well-bucket frame is descended along guide pillar, and bucket drops under the barrel prescribes a time limit, and lifting motor stops.Interior cannulated sleeve telescopic drive cylinder resets, and simultaneously, back-moving spring resets, and drives the first terminal pad, first connecting rod, the action of brush unit, and the brush bristles of brush unit is stretched out.The action of bucket electric rotating machine drives the bucket rotation.Simultaneously, inwall polishing motor, outer wall polishing electric motor starting, lifting motor backward rotation.Inwall polishing driven by motor external hollow sleeve, first connecting rod, second connecting rod, third connecting rod and the first terminal pad rotate together, and the bucket inwall is polished.Brush axle and brush head in the outer wall polishing driven by motor outer wall grinding process mechanism are rotated, and the bucket outer wall is polished.Lifting motor drives elevating screw, and the well-bucket frame is risen along guide pillar, the diverse location of inwall grinding process mechanism and outer wall grinding process mechanism polishing bucket wall.During reinforcement on running into outer wall, reinforcement is to the active force of brush head, make the first connecting plate and on brush axle, outer wall polishing motor integral body and turning cylinder rotate spring touch panel pressed home spring at the second connecting plate.Simultaneously, brush head is polished to reinforcement.Polished behind the reinforcement, under the effect of back-moving spring, the first connecting plate resets.When running into rough surface, action principle is same as described above, and the elastic force of back-moving spring cooperates with turning cylinder adapts brush head and bucket outer wall shape.
Claims (6)
1. vertical stand inside and outside wall grinding process system, it is characterized in that, comprise mainframe, inwall grinding process mechanism and outer wall grinding process mechanism, be provided with a barrel rotating mechanism on the top of mainframe, on mainframe, be provided with inwall grinding process mechanism with the corresponding position of bucket inwall, on mainframe, be provided with outer wall grinding process mechanism with the corresponding position of bucket outer wall; Described bucket rotating mechanism comprises well-bucket frame, jig, bucket electric rotating machine, well-bucket frame lift drive mechanism, on the described well-bucket frame jig is installed, described jig by transmission mechanism be fixed on the well-bucket frame on the bucket electric rotating machine be connected, well-bucket frame lift drive mechanism is installed between described well-bucket frame and the mainframe;
Described inwall grinding process mechanism comprises inwall polishing motor and inwall brush assembly, described inwall brush assembly comprises a plurality of brushes unit that arranges along same circumference, the external hollow sleeve, interior cannulated sleeve, interior cannulated sleeve telescopic drive mechanism, back-moving spring, the first terminal pad, the second terminal pad and identical with the brush element number by first connecting rod, the brush telescopic drive mechanism that second connecting rod and third connecting rod form, first connecting rod in the described brush telescopic drive mechanism is fixedly connected with second connecting rod, described second connecting rod and third connecting rod are hinged, described interior cannulated sleeve is positioned at the external hollow sleeve inner, described interior cannulated sleeve upper end is provided with the first terminal pad, be rotatably connected between described the first terminal pad and the interior cannulated sleeve, described first connecting rod and the first terminal pad are hinged, described third connecting rod is fixedly connected with external hollow sleeve upper end, between the first terminal pad and external hollow sleeve, be provided with the back-moving spring that is enclosed within interior cannulated sleeve outside, the lower end of described interior cannulated sleeve is connected with interior cannulated sleeve telescopic drive mechanism, described external hollow sleeve is connected with inwall polishing motor by transmission mechanism, the lower end of described external hollow sleeve second terminal pad that has been rotatably connected, described the second terminal pad is fixedly connected with mainframe; Described inwall brush assembly be the decentraction setting with bucket, contacts with a barrel inwall with the brush unit of an outer wall grinding process mechanism corresponding side in the described inwall brush assembly;
Described outer wall grinding process mechanism comprises brush head, the brush axle, outer wall polishing motor, the first connecting plate parallel to each other and the second connecting plate, back-moving spring, turning cylinder and spring touch panel, described the first connecting plate one side is equipped with brush axle and outer wall polishing motor, the opposite side of described the first connecting plate is fixed with the spring touch panel, with on the second connecting plate of spring touch panel relevant position the back-moving spring that is connected with the spring touch panel is installed, described turning cylinder one end and the second connecting plate are rotatably connected, the other end of described turning cylinder is fixedly connected with the first connecting plate, described the second connecting plate is fixed on the mainframe, described outer wall polishing motor is connected with described brush axle by transmission mechanism, and the end of described brush axle is fixed with brush head.
2. vertical stand inside and outside wall grinding process according to claim 1 system, it is characterized in that, described well-bucket frame lift drive mechanism comprises the lifting motor that is fixed on the mainframe, described lifting motor is connected with elevating screw by transmission mechanism, described elevating screw is threaded with the well-bucket frame, is provided with the guiding mechanism that is comprised of guide pillars and bushes between well-bucket frame and mainframe.
3. vertical stand inside and outside wall grinding process according to claim 2 system, it is characterized in that, be provided with the barrel of the upper shed that is fixedly connected with gripper shoe in mainframe middle part and the corresponding position of jig, described gripper shoe and external hollow sleeve outside are rotatably connected, a plurality of brushes unit in brush head in the outer wall grinding process mechanism and the inwall grinding process mechanism is positioned at barrel inside, is provided with the dirt clean-up port on the described barrel.
4. vertical stand inside and outside wall grinding process according to claim 1 system is characterized in that, described interior cannulated sleeve telescopic drive mechanism is for driving cylinder, and described driving cylinder is connected with interior cannulated sleeve by draw back plate.
5. vertical stand inside and outside wall grinding process according to claim 1 system, it is characterized in that, described jig is chuck, the dwang of described chuck and being fixed between the pushing ram of the card bucket cylinder on the well-bucket frame is rotatably connected, and described dwang is connected with a bucket electric rotating machine by transmission mechanism.
6. vertical stand inside and outside wall grinding process according to claim 1 system is characterized in that, is provided with bocca on the first terminal pad in the described inwall grinding process mechanism, in interior cannulated sleeve flame device is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910224426 CN102069429B (en) | 2009-11-20 | 2009-11-20 | System for polishing and treating inner and outer walls of vertical type open-top barrels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910224426 CN102069429B (en) | 2009-11-20 | 2009-11-20 | System for polishing and treating inner and outer walls of vertical type open-top barrels |
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| Publication Number | Publication Date |
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| CN102069429A CN102069429A (en) | 2011-05-25 |
| CN102069429B true CN102069429B (en) | 2013-01-02 |
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| CN 200910224426 Active CN102069429B (en) | 2009-11-20 | 2009-11-20 | System for polishing and treating inner and outer walls of vertical type open-top barrels |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202462192U (en) * | 2011-11-07 | 2012-10-03 | 天津绿博大环保设备科技研发有限公司 | Steel barrel burnishing device |
| CN102825512A (en) * | 2012-08-20 | 2012-12-19 | 天津绿博特环保设备制造股份公司 | Processing unit for refurbishing special-shaped open barrel |
| CN103480617A (en) * | 2013-09-16 | 2014-01-01 | 天津绿博特环保设备制造股份公司 | Drum brushing device for steel drum renovation |
| CN104827357B (en) * | 2015-05-21 | 2017-05-31 | 佛山市上发不锈钢管有限公司 | A kind of inner wall grinding device |
| CN108115476B (en) * | 2017-12-20 | 2020-01-07 | 重庆家本家科技有限公司 | Household electrical appliances plastic casing grinding device |
| CN109664176B (en) * | 2019-01-02 | 2020-04-24 | 江苏新天宝机械有限公司 | Welding seam polishing device |
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| CN2912846Y (en) * | 2006-05-31 | 2007-06-20 | 天津市汉沽区茶西制桶厂 | Scrub apparatus for straight opening barrel |
| CN201208610Y (en) * | 2008-06-13 | 2009-03-18 | 天津市汉沽区茶西制桶厂 | Barrel transferring device |
| CN201287130Y (en) * | 2008-11-04 | 2009-08-12 | 天津市汉沽区茶西制桶厂 | Vertical steel-barrel inner treatment system |
| CN201537835U (en) * | 2009-11-20 | 2010-08-04 | 天津市谊诚包装制品有限责任公司 | Upright treatment device for polishing and face-lifting inner and external walls of open drums |
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2009
- 2009-11-20 CN CN 200910224426 patent/CN102069429B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010091709A (en) * | 2000-03-17 | 2001-10-23 | 강권구 | Washer of Spring Water Cask |
| CN2912846Y (en) * | 2006-05-31 | 2007-06-20 | 天津市汉沽区茶西制桶厂 | Scrub apparatus for straight opening barrel |
| CN201208610Y (en) * | 2008-06-13 | 2009-03-18 | 天津市汉沽区茶西制桶厂 | Barrel transferring device |
| CN201287130Y (en) * | 2008-11-04 | 2009-08-12 | 天津市汉沽区茶西制桶厂 | Vertical steel-barrel inner treatment system |
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| CN102069429A (en) | 2011-05-25 |
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Denomination of invention: System for polishing and treating inner and outer walls of vertical type open-top barrels Effective date of registration: 20150612 Granted publication date: 20130102 Pledgee: Bank of Communications Ltd. Tianjin branch Pledgor: TIANJIN LYUBOTE ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: 2015120000043 |
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Date of cancellation: 20160630 Granted publication date: 20130102 Pledgee: Bank of Communications Ltd. Tianjin branch Pledgor: TIANJIN LYUBOTE ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: 2015120000043 |
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Denomination of invention: System for polishing and treating inner and outer walls of vertical type open-top barrels Effective date of registration: 20160831 Granted publication date: 20130102 Pledgee: Bank of Communications Ltd. Tianjin branch Pledgor: TIANJIN LYUBOTE ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: 2016120000032 |
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