CN112718642A - Cleaning device is used in building plywood processing - Google Patents
Cleaning device is used in building plywood processing Download PDFInfo
- Publication number
- CN112718642A CN112718642A CN202110092516.3A CN202110092516A CN112718642A CN 112718642 A CN112718642 A CN 112718642A CN 202110092516 A CN202110092516 A CN 202110092516A CN 112718642 A CN112718642 A CN 112718642A
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- cleaning device
- cleaning
- wall
- mount pad
- seat
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- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- 239000011120 plywood Substances 0.000 title claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000002023 wood Substances 0.000 description 5
- 239000007790 solid phase Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Landscapes
- Cleaning In General (AREA)
Abstract
The invention discloses a cleaning device for processing building plywood, which comprises a base, wherein the left side and the right side of the top of the base are connected with stand columns, the tops of two groups of stand columns are connected with a fixed seat together, the center of the top of the base is connected with a workbench, a filter plate is arranged at the top of the workbench, the upper end of the workbench is provided with a dust collecting groove, and the bottom of the dust collecting groove is communicated with dust collecting equipment through a pipeline; the cleaning brush is reasonable in structural design, can keep the stability of the cleaning assembly during operation, can adjust the cleaning radius of the cleaning brush according to needs, avoids cleaning dead angles, and improves the cleaning effect.
Description
Technical Field
The invention relates to the technical field of building related equipment, in particular to a cleaning device for processing building plywood.
Background
Plywood is a three-layer or multi-layer plate material made up by using wood segments and making them be rotary-cut into single board or sliced into thin wood and using adhesive to make them be glued together, and usually using odd number of layers of single board and making the fibre directions of adjacent layers of single board be mutually perpendicular. Plywood is a common building board, and plywood is the most common plywood, and is generally made by bonding three layers of thin wood boards together according to different grain directions, and has the advantages of simple structure, low cost and wide application range.
A large amount of adhesives are used in the production process of the three-ply board to bond the multi-layer veneers or thin boards, the bonded boards need trimming by sawing due to the rough and uneven edges of the veneers, and the traditional trimming process usually adopts manual trimming on an electric saw. The board after the saw limit needs to paste the thin wood grain paper of one deck on the surface, because particulate matter such as saw-dust and dust on board surface is more for the bump appears on wood grain paper surface, has influenced the feel and the quality of board, needs thoroughly clean before the sticker, and the clean scope of current cleaning device amount is limited, can't be applicable to the plywood of different specifications, for this reason, we have proposed a cleaning device for building plywood processing.
Disclosure of Invention
The invention aims to provide a cleaning device for processing building plywood, which aims to overcome the technical problems in the prior art.
In order to achieve the technical purpose and achieve the technical effect, the invention provides the following technical scheme:
the utility model provides a cleaning device is used in building plywood processing, includes the base, the top left and right sides of base is connected with the stand, and is two sets of the top of stand is connected with the fixing base jointly, the top center of base is connected with the workstation, the filter plate is installed at the top of workstation, the dust collecting tank has been seted up to the workstation upper end, there is dust collecting equipment the bottom of dust collecting tank through the pipeline intercommunication.
Preferably, in the cleaning device for processing building plywood, a transmission cavity is formed in the fixing base, the top left side of the fixing base is connected with a driving motor, the bottom power output end of the driving motor is connected with a driving shaft, one end, extending into the transmission cavity, of the driving shaft is connected with a driving gear, the right part of the transmission cavity is rotatably connected with a cylindrical seat, the upper part of the outer wall of the cylindrical seat is connected with a driven gear, the driven gear is meshed with the driving gear, the bottom of the cylindrical seat is connected with a fixing disc, the left side and the right side of the bottom of the fixing disc are connected with electric push rods, the lower end of each electric push rod is connected with a mounting seat, and.
Preferably, in a cleaning device is used in building plywood processing, clean subassembly includes horizontal strip, the guide way has been seted up to the left and right sides both ends symmetry of horizontal strip, sealed sliding connection has the slider in the guide way, be connected with the elasticity bag between slider and the guide way inner wall, the other end of slider is connected with the push rod, the one end that the guide way was stretched out to the push rod is connected with the sliding sleeve, the bottom of sliding sleeve is connected with the cleaning brush, and is two sets of be connected with the T venturi tube between the elasticity bag, the top bilateral symmetry of horizontal strip has the fixture block.
Preferably, in the cleaning device for processing the building plywood, a hollow pipe is movably inserted in the center of the top of the mounting seat, the upper end of the hollow pipe is fixedly connected with a fixed disc, the bottom of the hollow pipe is connected with a sealing ring, the left side and the right side of the outer wall of the hollow pipe are symmetrically connected with positioning columns, horizontal rods are movably inserted in the left side and the right side of the mounting seat, one end of each horizontal rod extending into the mounting seat is provided with a pin hole, the other end of each horizontal rod is connected with a shifting block, an extension spring is connected between each shifting block and the outer wall of the mounting seat, and the left side and the.
Preferably, in the cleaning device for processing of building plywood, the hydraulic stem is installed in the gomphosis of cylinder seat center, the bottom expansion end of hydraulic stem is connected with the depression bar, the one end that the depression bar stretches into the hollow tube inner chamber is connected with the piston board, the lateral wall butt of piston board is the hollow tube inner chamber.
Preferably, in the cleaning device for processing of building plywood, the one end that the horizon bar stretches into the mount pad inner chamber is equipped with the external screw thread, the screw hole with external screw thread matched with is seted up to the mount pad lateral wall.
Preferably, in the cleaning device for processing the building plywood, magnetorheological fluid is filled in the elastic bag, and the electromagnetic disc is installed at the lower end of the installation seat in an embedded mode.
Preferably, in the cleaning device for processing the building plywood, sliding grooves are symmetrically formed in the front end and the rear end of each transverse strip, and sliding strips matched with the sliding grooves are connected to the inner walls of the sliding sleeves.
Compared with the prior art, the invention has the beneficial effects that:
1. the cleaning assembly is reasonable in structural design, the mounting seat is driven to descend by the electric push rod, the cleaning assembly can be clamped at the bottom of the mounting seat by the aid of the fixture block matched with the assembling block, the lower end of a hollow tube is abutted to the transverse strip after the electric push rod is reset, the sealing effect is improved by the aid of the sealing ring, the fixture block matched with the clamping assembling block can keep the stability of the cleaning assembly during operation, the shifting block is driven to reset by the aid of the extension spring, a horizontal rod is close to the hollow tube, a positioning column can be fixed and limited by a pin hole, the mounting seat is prevented from shaking, the driving shaft is driven to rotate by the driving motor, the driving gear is meshed with the driven gear, so that the cylindrical seat drives the fixed disk to rotate, the;
2. when the plywood is cleaned, the hydraulic rod drives the pressure rod to descend, the T-shaped pipe is communicated with the elastic bag, so that air flow enters the elastic bag after the piston plate descends, the elastic bag expands to push the sliding block to slide outwards along the guide groove, and the push rod drives the sliding sleeve to slide, so that the cleaning radius of the cleaning brush is changed and increased; the hydraulic rod drives the pressure rod to move upwards to enable the elastic bag to contract, and the two sliding blocks slide inwards along the connecting guide groove under the action of the elasticity of the elastic bag and the negative pressure traction of air flow, so that the sweeping radius is changed and reduced, and the sweeping radius of the cleaning brush can be adjusted as required;
3. when a small-sized plate is cleaned, the electromagnetic disc of the mounting seat is electrified to form a uniform magnetic field, and magnetorheological fluid in the elastic bag is subjected to liquid-solid phase change under the action of the magnetic field with the strength, so that a fixing effect is formed on the sliding block subjected to sliding adjustment, and the cleaning effect is prevented from being influenced by uncontrolled sliding in the cleaning process;
4. when a large-size plate is cleaned, by controlling the pulse period electrification of the electromagnetic disc, the magnetorheological fluid expands after liquid-solid phase change under the action of a magnetic field, and recovers liquid state to shrink when the magnetic field disappears, and the sliding block forms local linear small-range reciprocating motion when the magnetorheological fluid in the elastic bag is in two-phase change, so that the plate is cleaned comprehensively, the cleaning dead angle is avoided, and the cleaning effect is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic structural view of the fixing base of the present invention;
FIG. 3 is a schematic structural view of the mounting base of the present invention;
FIG. 4 is a schematic view of a cleaning assembly of the present invention;
FIG. 5 is a schematic view of the inner structure of the working table according to the present invention;
fig. 6 is an assembly view of the latch of the present invention.
In the figure: 1. a base; 2. a column; 3. a fixed seat; 4. a work table; 5. filtering the plate; 6. a dust collecting groove; 7. a dust collection device; 8. a transmission cavity; 9. a drive motor; 10. a drive shaft; 11. a driving gear; 12. a cylindrical seat; 13. a driven gear; 14. fixing the disc; 15. an electric push rod; 16. a mounting seat; 17. a cleaning assembly; 121. a hydraulic lever; 122. a pressure lever; 123. a piston plate; 161. a hollow tube; 162. a seal ring; 163. a positioning column; 164. a horizontal bar; 165. a pin hole; 166. shifting blocks; 167. an extension spring; 168. assembling the block; 171. a transverse strip; 172. a guide groove; 173. a slider; 174. an elastic bag; 175. a push rod; 176. a sliding sleeve; 177. a cleaning brush; 178. a T-shaped pipe; 179. and (7) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present embodiment is a cleaning device for processing building plywood, which includes a base 1, wherein the left and right sides of the top of the base 1 are connected with columns 2, the tops of two groups of columns 2 are connected with a fixing base 3, the top center of the base 1 is connected with a workbench 4, a filter plate 5 is installed on the top of the workbench 4, the upper end of the workbench 4 is provided with a dust collecting groove 6, and the bottom of the dust collecting groove 6 is communicated with a dust collecting device 7 through a pipeline.
Drive chamber 8 has been seted up in fixing base 3, the top left side of fixing base 3 is connected with driving motor 9, driving motor 9's bottom power take off end is connected with drive shaft 10, the one end that drive shaft 10 stretched into drive chamber 8 is connected with driving gear 11, the right part of drive chamber 8 is rotated and is connected with cylinder seat 12, the outer wall upper portion of cylinder seat 12 is connected with driven gear 13, driven gear 13 meshes the connection driving gear 11, the bottom of cylinder seat 12 is connected with fixed disk 14, the bottom left and right sides of fixed disk 14 is connected with electric putter 15, electric putter 15's lower extreme is connected with mount pad 16, the bottom of mount pad 16 is connected with clean subassembly 17.
The top center activity of mount pad 16 is pegged graft and is had hollow tube 161, hollow tube 161 upper end rigid coupling fixed disk 14, the bottom of hollow tube 161 is connected with sealing washer 162, the outer wall left and right sides symmetrical connection of hollow tube 161 has reference column 163, the activity of the left and right sides wall of mount pad 16 is pegged graft and is had horizontal pole 164, the pinhole 165 has been seted up to the one end that horizontal pole 164 stretched into mount pad 16, the horizontal pole 164 other end is connected with shifting block 166, be connected with extension spring 167 between shifting block 166 and the mount pad 16 outer wall, the left and right sides wall symmetrical connection of mount pad 16 has assembly.
The hydraulic rod 121 is installed in the center of the cylindrical seat 12 in an embedded mode, the movable end of the bottom of the hydraulic rod 121 is connected with the pressure rod 122, one end, extending into the inner cavity of the hollow tube 161, of the pressure rod 122 is connected with the piston plate 123, and the outer side wall of the piston plate 123 abuts against the inner cavity of the hollow tube 161.
The one end that horizontal pole 164 stretched into the inner chamber of mount pad 16 is equipped with the external screw thread, and the screw hole with external screw thread matched with is seted up to the mount pad 16 lateral wall, outwards stimulates horizontal pole 164 and rotates through shifting block 166, can fix the horizontal pole 164 position.
Magnetorheological fluid is filled in the elastic bag 174, an electromagnetic disc is embedded at the lower end of the mounting seat 16, and the magnetorheological fluid can be solidified under the action of magnetic force.
The front end and the rear end of the transverse bar 171 are symmetrically provided with sliding grooves, and the inner wall of the sliding sleeve 176 is connected with sliding bars matched with the sliding grooves, so that the sliding sleeve 176 can slide horizontally.
The specific implementation manner of this embodiment is:
when the device is used, the base 1 is arranged on a plane, building plywood is arranged on a filter plate 5 at the top of a workbench 4, an electric push rod 15 drives an installation seat 16 to descend, a clamping block 179 is used for matching with an assembly block 168 to clamp a cleaning component 17 at the bottom of the installation seat 16, the lower end of a hollow tube 161 is abutted against a transverse strip 171 after the electric push rod 15 is reset, the sealing effect is improved by using a sealing ring 162, the clamping block 179 is matched with the clamping assembly block 168 to keep the stability of the cleaning component 17 in operation, a pull block 166 is driven by using a tension spring 167 to reset, so that the horizontal rod 164 is close to the hollow tube 161, a pin hole 165 can fix and limit a positioning column 163 to avoid shaking of the installation seat 16, a driving shaft 10 is driven to rotate by a driving motor 9, a driving gear 11 is meshed with a driven gear 13, so that, after the dust collection equipment 7 is started, the waste scraps are introduced along the dust collection groove 6, so that the collection and the treatment are convenient;
when the plywood is cleaned, the hydraulic rod 121 drives the pressure rod 122 to descend, the T-shaped pipe 178 is communicated with the elastic bag 174, so that air flow enters the elastic bag 174 after the piston plate 123 descends, the elastic bag 174 expands to push the sliding block 173 to slide outwards along the guide groove 172, and the push rod 175 drives the sliding sleeve 176 to slide, so that the cleaning radius of the cleaning brush 177 is changed and increased; the hydraulic rod 121 drives the pressing rod 122 to move upwards to enable the elastic bag 174 to contract, and under the action of the elasticity of the elastic bag 174 and the negative pressure traction of air flow, the two sliding blocks 173 slide inwards along the connecting guide groove 172, so that the cleaning radius is changed and reduced, and the cleaning radius of the cleaning brush 177 can be adjusted as required;
when a small-sized plate is cleaned, the electromagnetic disc of the mounting base 16 is electrified to form a uniform magnetic field, and magnetorheological fluid in the elastic bag 174 generates liquid-solid phase change under the action of the magnetic field with the intensity, so that a fixing effect is formed on the sliding block 173 after sliding adjustment, and the polishing effect is prevented from being influenced by uncontrolled sliding in the cleaning process;
when a large-size plate is cleaned, by controlling the pulse period electrification of the electromagnetic disc, the magnetorheological fluid expands after liquid-solid phase change under the action of the magnetic field and recovers liquid-state recovery shrinkage when the magnetic field disappears, and the sliding block 173 forms local linear small-range reciprocating motion when the two phases of the magnetorheological fluid in the elastic bag change, so that the plate is cleaned comprehensively, the cleaning dead angle is avoided, and the cleaning effect is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a cleaning device is used in processing of building plywood, includes base (1), its characterized in that: the dust collecting device is characterized in that the left side and the right side of the top of the base (1) are connected with stand columns (2), the top of each stand column (2) is connected with a fixing seat (3) together, the center of the top of the base (1) is connected with a workbench (4), a filter plate (5) is installed at the top of the workbench (4), a dust collecting groove (6) is formed in the upper end of the workbench (4), and the bottom of the dust collecting groove (6) is communicated with dust collecting equipment (7) through a pipeline.
2. The cleaning device for processing building plywood as claimed in claim 1, wherein: a transmission cavity (8) is arranged in the fixed seat (3), the left side of the top of the fixed seat (3) is connected with a driving motor (9), the bottom power output end of the driving motor (9) is connected with a driving shaft (10), one end of the driving shaft (10) extending into the transmission cavity (8) is connected with a driving gear (11), the right part of the transmission cavity (8) is rotationally connected with a cylindrical seat (12), the upper part of the outer wall of the cylindrical seat (12) is connected with a driven gear (13), the driven gear (13) is engaged with the driving gear (11), the bottom of the cylindrical seat (12) is connected with a fixed disc (14), the left side and the right side of the bottom of the fixed disc (14) are connected with electric push rods (15), the lower end of the electric push rod (15) is connected with a mounting seat (16), and the bottom of the mounting seat (16) is connected with a cleaning assembly (17).
3. The cleaning device for processing building plywood as claimed in claim 2, wherein: cleaning assembly (17) is including horizontal strip (171), guide way (172) have been seted up to the left and right sides both ends symmetry of horizontal strip (171), sealed sliding connection has slider (173) in guide way (172), be connected with elastic bag (174) between slider (173) and guide way (172) inner wall, the other end of slider (173) is connected with push rod (175), the one end that guide way (172) were stretched out in push rod (175) is connected with sliding sleeve (176), the bottom of sliding sleeve (176) is connected with cleaning brush (177), and is two sets of be connected with T venturi tube (178) between elastic bag (174), the top bilateral symmetry of horizontal strip (171) is connected with fixture block (179).
4. The cleaning device for processing building plywood as claimed in claim 2, wherein: the top center activity of mount pad (16) is pegged graft and is had hollow tube (161), hollow tube (161) upper end rigid coupling fixed disk (14), the bottom of hollow tube (161) is connected with sealing washer (162), the outer wall left and right sides symmetric connection of hollow tube (161) has reference column (163), the activity of the left and right sides wall of mount pad (16) is pegged graft and is had horizon bar (164), pinhole (165) have been seted up to the one end that horizon bar (164) stretched into mount pad (16), the horizon bar (164) other end is connected with shifting block (166), be connected with between shifting block (166) and mount pad (16) outer wall extension spring (167), the left and right sides wall symmetric connection of mount pad (16) has assembly block (168).
5. The cleaning device for processing building plywood as claimed in claim 4, wherein: the hydraulic rod (121) is installed in the center of the cylindrical seat (12) in an embedded mode, the movable end of the bottom of the hydraulic rod (121) is connected with a pressing rod (122), one end, extending into the inner cavity of the hollow pipe (161), of the pressing rod (122) is connected with a piston plate (123), and the outer side wall of the piston plate (123) abuts against the inner cavity of the hollow pipe (161).
6. The cleaning device for processing building plywood as claimed in claim 4, wherein: the one end that horizontal pole (164) stretched into mount pad (16) inner chamber is equipped with the external screw thread, mount pad (16) lateral wall is seted up with external screw thread matched with screw hole.
7. A cleaning device for processing building plywood according to claim 3, wherein: magnetorheological fluid is filled in the elastic bag (174), and an electromagnetic disc is embedded and installed at the lower end of the installation seat (16).
8. A cleaning device for processing building plywood according to claim 3, wherein: the front end and the rear end of the transverse bar (171) are symmetrically provided with sliding grooves, and the inner wall of the sliding sleeve (176) is connected with a sliding bar matched with the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092516.3A CN112718642A (en) | 2021-01-24 | 2021-01-24 | Cleaning device is used in building plywood processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092516.3A CN112718642A (en) | 2021-01-24 | 2021-01-24 | Cleaning device is used in building plywood processing |
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| Publication Number | Publication Date |
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| CN112718642A true CN112718642A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110092516.3A Pending CN112718642A (en) | 2021-01-24 | 2021-01-24 | Cleaning device is used in building plywood processing |
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| CN (1) | CN112718642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275289A (en) * | 2021-06-10 | 2021-08-20 | 吴新茂 | Energy-saving auto radiator cleaning device |
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| CN212216327U (en) * | 2020-04-01 | 2020-12-25 | 安徽海蓝生物科技有限公司 | Cleaning device for tartaric acid fermentation board |
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Application publication date: 20210430 |
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