CN110756433A - Drum is cleaned sieve screen cloth wiper mechanism just - Google Patents
Drum is cleaned sieve screen cloth wiper mechanism just Download PDFInfo
- Publication number
- CN110756433A CN110756433A CN201911242479.9A CN201911242479A CN110756433A CN 110756433 A CN110756433 A CN 110756433A CN 201911242479 A CN201911242479 A CN 201911242479A CN 110756433 A CN110756433 A CN 110756433A
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- China
- Prior art keywords
- cleaning
- fixedly connected
- cleaning mechanism
- sieve
- rod
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a cylindrical precleaner screen cleaning mechanism which comprises a precleaner body and a circular screen positioned in the precleaner body, wherein a driving device for driving the cleaning mechanism is arranged at the top of the precleaner body, the left side and the right side of the inner top wall of the precleaner body are respectively and fixedly connected with an air outlet cylinder for cleaning and air drying the circular screen and a water gun for providing cleaning liquid for the cleaning mechanism, and the cleaning mechanism is positioned at the two sides of the precleaner body. The cleaning mechanism is arranged on two sides of the body of the primary cleaning sieve, the elliptical driving disc can be used for simultaneously pushing the left and right cleaning plates in the cleaning mechanism to clean the surface of the circular sieve in the using process, the cleaning of the circular sieve is avoided, manual cleaning is also depended on, manual cleaning efficiency is low, and the cleaning effect is poor.
Description
Technical Field
The invention relates to the technical field of precleaners, in particular to a cleaning mechanism for a screen of a cylindrical precleaner.
Background
Cylindrical scalping screens are widely used in flour mills, feed mills, grain silos and other material receiving sections for this purpose. The device is mainly used for removing large impurities such as straws, wheat straws, hemp ropes, paper sheets, clods, corn leaves, corn cobs and the like so as to protect subsequent mechanical equipment in a process system from being broken down or damaged.
During operation material gets into a sieve section of thick bamboo inside through the feeder hopper from the feed inlet, and a sieve section of thick bamboo is not stopping rotatory, and the finished product material that geometry is less than the sieve mesh passes through a sieve section of thick bamboo rapidly, flows by the discharge gate. The large impurities which do not pass through the sieve holes are discharged out of the sieve drum under the pushing of the guide spiral on the inner wall of the sieve drum and are discharged from the large impurities outlet. The guide screw not only helps to remove the large impurities, but also serves to prevent the outflow of material along with the oversize.
But at the circular screen in the primary cleaning sieve in the actual production process, the sieve mesh on the circular screen can be strained the residue after the operation by the sieve and blockked up after long-time use, the sieve mesh that is blockked up if untimely clearance, can influence the screening effect of the primary cleaning sieve in later stage, reduce the work efficiency of primary cleaning sieve, the clearance of present circular screen still relies on the manual work through dismantling the primary cleaning sieve organism after, the operation personnel bore in the primary cleaning sieve organism or with the circular screen on the primary cleaning sieve organism from the internal mode of taking out of primary cleaning sieve organism, recycle the brush and carry out manual washing, above several kinds of manual washing modes, not only the cleaning efficiency is low, and the cleaning performance is poor, consequently, need carry out further improvement to it.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cleaning mechanism for a screen of a cylindrical precleaner, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cleaning mechanism for a screen of a cylindrical precleaner comprises a precleaner body and a circular screen positioned inside the precleaner body, wherein a driving device for driving the cleaning mechanism is arranged at the top of the precleaner body, the left side and the right side of the inner top wall of the precleaner body are respectively and fixedly connected with an air outlet cylinder for air drying after cleaning of the circular screen and a water gun for cleaning liquid provided for the cleaning mechanism, and the cleaning mechanism is positioned on two sides of the precleaner body;
the cleaning mechanism comprises a precleaner body, wherein the left side and the right side of the precleaner body are respectively provided with a connecting hole for a left connecting rod and a right connecting rod to penetrate through, one end of each connecting rod is fixedly connected with a cleaning plate, the other end of each connecting rod is fixedly connected with a connecting column, the connecting column is provided with a slot for inserting a swing rod, the middle part of the swing rod is rotatably connected with a connecting mechanism, and one side of the connecting mechanism is fixedly connected with the precleaner;
drive arrangement include with scalping machine organism top fixed connection's motor, motor one end fixedly connected with pivot, and the one end fixedly connected with oval driving-disc of pivot, set up on the curved surface of oval driving-disc and supply about two push rod sliding connection have the spout, and the spout is seted up around oval driving-disc curved surface circumference, control two the one end of push rod respectively with the one end fixed connection of pendulum rod.
Preferably, a dustproof cover is arranged outside the motor.
Preferably, the connecting mechanism comprises a swing rod, a mounting hole for the rotating rod to be matched with the swing rod in a rotating mode is formed in the swing rod, the two ends of the swing rod are respectively and fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the precleaner body.
Preferably, the contact surface of the scrubbing plate and the circular sieve is in the shape of a circular arc.
Preferably, a manual handle is fixedly connected to the upper surface of the elliptical driving disk.
Preferably, the central symmetry line of the elliptical driving disk and the symmetry center line of the precleaner body are located on the same straight line.
Preferably, one end of the swing rod is inclined towards the side far away from the primary cleaning screen machine body.
Preferably, the scrubbing plate is provided with a sponge and a steel wire respectively, and the sponge and the steel wire are both positioned on the contact side of the scrubbing plate and the surface of the circular sieve.
Preferably, travel switches for controlling the opening and closing of the air outlet cylinder and the water gun are arranged on the air outlet cylinder and the water gun, and movable rods on the travel switches are fixedly connected with the left scrubbing plate and the right scrubbing plate respectively.
The invention has the beneficial effects that:
1. the cleaning mechanism is arranged on two sides of the body of the primary cleaning sieve, the elliptical driving disc can be used for simultaneously pushing the left and right cleaning plates in the cleaning mechanism to clean the surface of the circular sieve in the using process, the cleaning of the circular sieve is avoided, manual cleaning is also depended on, manual cleaning efficiency is low, and the cleaning effect is poor.
2. Through the squirt of the interior roof left and right sides difference fixedly connected with air-dried play air cylinder and the washing liquid that provides for wiper mechanism after setting up the precleaner organism, the removal that can utilize the cleaning board in the use drives play air cylinder and squirt action, avoids spraying the giving vent to anger of clearance liquid and play air cylinder to the roundscreen when cleaning, promotes the cleaning performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of an elliptical drive disk configuration of the present invention;
FIG. 3 is a diagram illustrating a socket structure according to the present invention.
The attached drawings are marked as follows: 1: precleaner body, 2: round screen, 3: cleaning mechanism, 301: connecting rod, 302: scrubbing plate, 303: connecting column, 304: swing link, 305: slot, 306: connection mechanism, 3061: rotating rod 3062: connecting plate, 4: drive device, 401: a motor, 402: rotating shaft, 403: elliptical drive disk, 404: push rod, 405: chute, 5: an air outlet cylinder and 6: water gun, 7: travel switch, 8: dustproof housing, 9: and (4) manually operating a handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
The terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like, refer to an orientation or positional relationship based on that shown in the drawings, or that which is conventionally used to place the product of the invention, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the invention.
Referring to fig. 1-3, a cylindrical precleaner screen cleaning mechanism comprises a precleaner body 1 and a circular screen 2 positioned inside the precleaner body 1, wherein a driving device 4 for driving a cleaning mechanism 3 is arranged at the top of the precleaner body 1, the left side and the right side of the inner top wall of the precleaner body 1 are respectively and fixedly connected with an air outlet cylinder 5 for cleaning and air drying the circular screen 2 and a water gun 6 for supplying cleaning liquid to the cleaning mechanism 3, and the cleaning mechanism 3 is positioned at two sides of the precleaner body 1;
the cleaning mechanism 3 comprises a primary cleaning sieve body 1, wherein the left side and the right side of the primary cleaning sieve body 1 are respectively provided with a connecting hole for the penetration of a left connecting rod 301 and a right connecting rod 301, the positions of the two connecting rods 301 are positioned on the same horizontal line, one end of each connecting rod 301 is fixedly connected with a cleaning plate 302, the other end of each connecting rod 301 is fixedly connected with a connecting column 303, the connecting column 303 is provided with a slot 305 for the insertion of a swing rod 304, the middle part of the swing rod 304 is rotatably connected with a connecting mechanism 306, the connecting mechanism 306 is used as a fulcrum of the swing rod 304;
drive arrangement 4 includes motor 401 with scalping machine body 1 top fixed connection, motor 401 one end fixedly connected with pivot 402, and the one end fixedly connected with oval driving-disc 403 of pivot 402, it is oval to set up the driving-disc, when oval driving-disc 403 rotates to the width value great, can promote two push rods 404 to the direction removal that repels of two push rods 404, when oval driving-disc 403 rotates to the width value less, stimulate two push rods 404 to remove to similar direction, set up on the curved surface of oval driving-disc 403 and supply two push rods 404 sliding connection to have spout 405 about, avoid the one end of two push rods 404 to break away from with oval driving-disc 403, and spout 405 sets up around oval driving-disc 403 curved surface circumference, the one end of two push rods 404 about respectively with the one end fixed connection of pendulum rod 304.
Wherein the motor 401 is provided with a dustproof cover 8 outside to prevent dust from attaching to the surface of the motor 401, the connecting mechanism 306 comprises a swing rod 304 provided with a mounting hole for the rotating rod 3061 to be rotatably matched, two ends of the rotating rod 3061 are respectively and fixedly connected with a connecting plate 3062, the connecting plate 3062 is fixedly connected with the precleaner body 1, the contact surface of the scrubbing plate 302 and the circular screen 2 is in a circular arc shape, the scrubbing plate 302 is convenient to contact with the surface of the circular screen 2, the upper surface of the oval driving plate 403 is fixedly connected with a manual handle 9, the oval driving plate 403 can be rotated by the manual handle 9 when power is off, the central symmetry line of the oval driving plate 403 and the symmetry line of the precleaner body 1 are positioned on the same straight line, one end of the swing rod 304 is obliquely arranged to be far away from the precleaner body 1, the scrubbing plate 302 is respectively provided with sponge and steel wire, the surface of the circular screen 2 is scrubbed, and sponge 3021 and steel wire 3022 all are located the contact side on scrubbing board 302 and round screen 2 surface, all be equipped with the travel switch 7 that control air outlet 5 and squirt 6 open and close on air outlet 5 and the squirt 6, the movable rod on travel switch 7 respectively with about two scrubbing boards 302 fixed connection, when scrubbing board 302 carries out the back-and-forth movement in the precleaner organism 1, utilize the movable rod on travel switch 7, make air outlet 5 and squirt 6 action respectively spray water and blow to round screen 2 surface, promote the cleaning performance.
The working principle is as follows: when the circular sieve 2 needs to be cleaned, firstly, the precleaner body 1 is started to enable the circular sieve 2 to rotate, then the starting motor 401 drives the elliptical driving disc 403 to rotate through the rotating shaft 402, the elliptical driving disc 403 rotates to drive the push rods 404 to complete push-pull actions, when the two push rods 404 push towards the repellent sides, one end of the swing rod 304 is driven to move towards the side far away from the precleaner body 1, the other end of the swing rod is driven to approach towards the precleaner body 1 under the action of the connecting mechanism 306 serving as a fulcrum, when one end of the swing rod 304 approaches towards the precleaner body 1, the connecting rod 301 is driven to move towards the interior of the precleaner body 1, because one end of the connecting rod 301 is fixedly connected with the scrubbing plate 302, the scrubbing plate 302 is driven to contact with the surface of the circular sieve 2 while the connecting rod 301 moves, and the surface of the circular sieve 2 in a rotating state is driven to contact;
on the contrary, when the two push rods 404 push towards the close side, the swing rod 304 is utilized to drive the connecting rod 301 to move towards the outside of the primary cleaning sieve body 1, and the cleaning plate 302 is pulled to be separated from the surface of the circular sieve 2 through the connecting rod 301, so that the problems that the cleaning of the circular sieve 2 depends on manual cleaning, the manual cleaning efficiency is low, and the cleaning effect is poor are solved.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "provided", "connected" and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features related to the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a drum is settleed and is sieved screen cloth wiper mechanism, includes the first clear sieve organism (1) and is located the inside round sieve (2) of first clear sieve organism (1), its characterized in that: the top of the primary cleaning sieve body (1) is provided with a driving device (4) for driving the cleaning mechanism (3), the left side and the right side of the inner top wall of the primary cleaning sieve body (1) are respectively and fixedly connected with an air outlet cylinder (5) for drying the round sieve (2) after cleaning and a water gun (6) for supplying cleaning liquid to the cleaning mechanism (3), and the cleaning mechanism (3) is positioned on the two sides of the primary cleaning sieve body (1);
the cleaning mechanism (3) comprises a primary cleaning sieve body (1), wherein the left side and the right side of the primary cleaning sieve body are respectively provided with a connecting hole for penetrating through a left connecting rod (301) and a right connecting rod (301), one end of each connecting rod (301) is fixedly connected with a scrubbing plate (302), the other end of each connecting rod is fixedly connected with a connecting column (303), the connecting column (303) is provided with a slot (305) for inserting and connecting a swing rod (304), the middle part of the swing rod (304) is rotatably connected with a connecting mechanism (306), and one side of the connecting mechanism (306) is fixedly connected with the primary cleaning sieve body;
drive arrangement (4) include with the motor (401) of precleaner organism (1) top fixed connection, motor (401) one end fixedly connected with pivot (402), and the one end fixedly connected with oval driving-disc (403) of pivot (402), set up on the curved surface of oval driving-disc (403) and supply about two push rods (404) sliding connection have spout (405), and spout (405) set up around oval driving-disc (403) curved surface circumference, control two the one end of push rod (404) respectively with the one end fixed connection of pendulum rod (304).
2. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: and a dustproof cover shell (8) is arranged outside the motor (401).
3. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: the connecting mechanism (306) comprises a swing rod (304) which is provided with a mounting hole for the rotating rod (3061) to be in running fit, two ends of the rotating rod (3061) are respectively and fixedly connected with a connecting plate (3062), and the connecting plate (3062) is fixedly connected with the scalping machine body (1).
4. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: the contact surface of the scrubbing plate (302) and the circular sieve (2) is arc-shaped.
5. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: the upper surface of the oval driving disc (403) is fixedly connected with a manual handle (9).
6. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: the central symmetry line of the elliptical driving disc (403) and the symmetry center line of the primary cleaning sieve body (1) are positioned on the same straight line.
7. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: one end of the swing rod (304) is obliquely arranged towards the side far away from the primary cleaning sieve body (1).
8. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: the scrubbing plate (302) is provided with a sponge and a steel wire respectively, and the sponge and the steel wire are positioned on the contact side of the scrubbing plate (302) and the surface of the circular screen (2).
9. The cylindrical scalping screen cleaning mechanism (3) of claim 1, wherein: the air outlet cylinder (5) and the water gun (6) are respectively provided with a travel switch (7) for controlling the air outlet cylinder (5) and the water gun (6) to be opened and closed, and a movable rod on the travel switch (7) is respectively fixedly connected with the left scrubbing plate (302) and the right scrubbing plate (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911242479.9A CN110756433A (en) | 2019-12-06 | 2019-12-06 | Drum is cleaned sieve screen cloth wiper mechanism just |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911242479.9A CN110756433A (en) | 2019-12-06 | 2019-12-06 | Drum is cleaned sieve screen cloth wiper mechanism just |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110756433A true CN110756433A (en) | 2020-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911242479.9A Withdrawn CN110756433A (en) | 2019-12-06 | 2019-12-06 | Drum is cleaned sieve screen cloth wiper mechanism just |
Country Status (1)
| Country | Link |
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| CN (1) | CN110756433A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848249A (en) * | 2021-02-26 | 2021-05-28 | 梁丽娜 | Feeding mechanism of plastic film blowing machine and use method |
| CN113103744A (en) * | 2021-03-17 | 2021-07-13 | 解燕君 | Screen cylinder mechanism of rotary screen printing machine |
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| CN201087880Y (en) * | 2007-10-12 | 2008-07-16 | 英业达股份有限公司 | Connection port testing device |
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| CN108437938A (en) * | 2018-02-07 | 2018-08-24 | 谢剑和 | A kind of quick washing device of car detailing automobile |
| CN208870389U (en) * | 2018-09-04 | 2019-05-17 | 福建省城投科技有限公司 | A kind of stair formwork for placing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236577Y (en) * | 1995-12-01 | 1996-10-02 | 刘新华 | Cam drive inverter |
| CN1737405A (en) * | 2005-05-11 | 2006-02-22 | 王玉春 | Elliptical drive mechanism |
| CN201136540Y (en) * | 2007-09-07 | 2008-10-22 | 好孩子儿童用品有限公司 | Perambulator |
| CN201087880Y (en) * | 2007-10-12 | 2008-07-16 | 英业达股份有限公司 | Connection port testing device |
| CN104707790A (en) * | 2013-12-14 | 2015-06-17 | 山东亿恺仓储工程有限公司 | Screen drum cleaning device |
| CN105253612A (en) * | 2015-10-30 | 2016-01-20 | 重庆界石仪表有限公司 | Quantitative pushing device |
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| CN107470140A (en) * | 2017-10-13 | 2017-12-15 | 佛山市高研信息技术有限公司 | A kind of Novel unpowered environmental protection and energy saving vibratory sieve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848249A (en) * | 2021-02-26 | 2021-05-28 | 梁丽娜 | Feeding mechanism of plastic film blowing machine and use method |
| CN113103744A (en) * | 2021-03-17 | 2021-07-13 | 解燕君 | Screen cylinder mechanism of rotary screen printing machine |
| CN113103744B (en) * | 2021-03-17 | 2022-07-08 | 广州盛雅图玻璃工艺有限公司 | Screen cylinder mechanism of rotary screen printing machine |
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