CN111495587A - Tobacco leaf conveying device and ferromagnetic impurity removing method - Google Patents
Tobacco leaf conveying device and ferromagnetic impurity removing method Download PDFInfo
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- CN111495587A CN111495587A CN202010353944.2A CN202010353944A CN111495587A CN 111495587 A CN111495587 A CN 111495587A CN 202010353944 A CN202010353944 A CN 202010353944A CN 111495587 A CN111495587 A CN 111495587A
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- ferromagnetic
- conveying device
- magnetic attraction
- tobacco
- attraction mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
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- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a tobacco leaf conveying device and a ferromagnetic impurity removing method. The tobacco leaf conveying device comprises a vibration groove, a blanking groove and a ferromagnetic impurity removing device, wherein the vibration groove is provided with a bearing surface used for conveying tobacco leaves to downstream equipment, the blanking groove is connected with the vibration groove to receive the tobacco leaves, the side wall of the blanking groove is provided with an opening, the ferromagnetic impurity removing device is arranged on the side wall of the blanking groove and comprises a magnetic suction mechanism which can move relative to the side wall, and in a first state, the magnetic suction mechanism covers the opening and adsorbs the ferromagnetic impurities in the tobacco leaves entering the blanking groove; in the second state, the magnetic attraction mechanism leaves the opening and removes the adsorbed ferromagnetic impurities. According to the tobacco leaf conveying device, the ferromagnetic impurities in the tobacco leaves are automatically removed through the magnetic suction mechanism, compared with the existing manual removal of the ferromagnetic impurities, the removal efficiency is higher, and the damage to a removal operator is effectively avoided.
Description
Technical Field
The invention relates to the technical field of tobacco processing, in particular to a tobacco conveying device and a ferromagnetic impurity removing method.
Background
In a tobacco processing assembly line in the tobacco industry, a metal detector is used for detecting whether ferromagnetic impurities exist in tobacco leaves (stems). After the metal detector detects ferromagnetic impurities, the blanking turnover plate is opened to enable the ferromagnetic impurities and part of tobacco leaves (stems) to be jointly leaked into the collecting barrel.
The metal removing method generally adopted at present is as follows: manually picking the mixture of the metal and the tobacco leaves (stems) in the collecting barrel, and then pouring the tobacco leaves without metal impurities back to the vibrating groove in front of the metal detector. The metal removing mode has low working efficiency, fingers can be injured by clamping when the iron is sucked, and more importantly, the metal removing effect is not good in stability due to manual judgment.
Disclosure of Invention
The invention aims to provide a tobacco conveying device and a ferromagnetic impurity removing method so as to improve the working efficiency.
The invention provides in a first aspect a tobacco leaf conveying device comprising:
the vibrating groove is provided with a bearing surface used for conveying the tobacco leaves to downstream equipment;
the feeding chute is connected with the vibrating chute to receive the tobacco leaves, and the side wall of the feeding chute is provided with an opening; and
the ferromagnetic impurity removing device is arranged on the side wall of the charging chute and comprises a magnetic attraction mechanism which can move relative to the side wall, and in a first state, the magnetic attraction mechanism covers the opening and adsorbs ferromagnetic impurities in the tobacco leaves entering the charging chute; in the second state, the magnetic attraction mechanism leaves the opening and removes the adsorbed ferromagnetic impurities.
In some embodiments, one end of the magnetic attraction mechanism is rotatably coupled to the side wall.
In some embodiments, the ferromagnetic impurity removing device further comprises an air cylinder in driving connection with the magnetic attraction mechanism.
In some embodiments, the magnetic attraction mechanism includes a housing and electromagnets disposed in the housing, and the electromagnets extend along a length direction of the housing.
In some embodiments, the tobacco leaf conveying device further comprises a metal detector arranged on the vibrating groove and located in front of the feeding hole of the feeding groove, and a feeding turning plate arranged at the feeding hole of the feeding groove, wherein the feeding turning plate opens or closes the feeding hole of the feeding groove according to a detection signal of the metal detector.
In some embodiments, the ferromagnetic impurity removing device further comprises a first electromagnetic valve for controlling the action of the air cylinder and a second electromagnetic valve for controlling the on-off state of the electromagnetic valve, the tobacco conveying device comprises a controller coupled with the first electromagnetic valve, the second electromagnetic valve and the blanking turning plate, and the controller controls the action of the first electromagnetic valve, the second electromagnetic valve and the blanking turning plate according to a detection signal of the metal detector.
In some embodiments, the magnetic attraction mechanism further comprises a support plate disposed on a side of the housing proximate to the chute, the support plate being perpendicular to the side of the housing.
In some embodiments, the ferromagnetic debris removing device further includes a foreign object collecting groove disposed below the magnetic attraction mechanism.
The second aspect of the invention provides a ferromagnetic impurity removing method based on the tobacco conveying device of any one of the first aspect of the invention, which comprises the following steps:
detecting whether the tobacco leaves conveyed by the vibrating groove contain ferromagnetic impurities or not; and
and controlling the magnetic attraction mechanism to act according to the detection result to open or cover the opening so as to remove ferromagnetic impurities in the tobacco leaves.
In some embodiments, the tobacco conveying device further comprises a blanking turning plate arranged at the feeding port of the blanking groove, and the ferromagnetic impurity removing method further comprises controlling the action of the blanking turning plate according to the detection result before controlling the action of the magnetic suction mechanism according to the detection result.
In some embodiments, controlling the blanking turning plate to move and controlling the magnetic attraction mechanism to move according to the detection result comprises:
if ferromagnetic impurities in the tobacco leaves conveyed by the vibrating chute are detected, controlling the blanking turnover plate to open the feeding hole of the blanking chute and controlling the electromagnet inside the magnetic suction mechanism to be electrified so that the ferromagnetic impurities are adsorbed on the shell; controlling the magnetic attraction mechanism to move relative to the side wall to open the opening after a set time period; controlling the electromagnet to be powered off so as to enable ferromagnetic impurities adsorbed on the shell to fall down;
and if ferromagnetic impurities contained in the tobacco leaves conveyed by the vibrating chute are not detected, controlling the blanking turning plate to close the feeding hole of the blanking chute so as to convey the tobacco leaves to downstream equipment.
Based on the tobacco leaf conveying device and the ferromagnetic impurity removing method provided by the invention, the tobacco leaf conveying device comprises a vibration groove, a blanking groove and a ferromagnetic impurity removing device, the vibration groove is provided with a bearing surface used for conveying tobacco leaves to downstream equipment, the blanking groove is connected with the vibration groove to receive the tobacco leaves, the side wall of the blanking groove is provided with an opening, the ferromagnetic impurity removing device is arranged on the side wall of the blanking groove and comprises a magnetic suction mechanism which can move relative to the side wall, and in a first state, the magnetic suction mechanism covers the opening and adsorbs the ferromagnetic impurities in the tobacco leaves entering the blanking groove; in the second state, the magnetic attraction mechanism leaves the opening and removes the adsorbed ferromagnetic impurities. According to the tobacco leaf conveying device, the ferromagnetic impurities in the tobacco leaves are automatically removed through the magnetic suction mechanism, compared with the existing manual removal of the ferromagnetic impurities, the removal efficiency is higher, and the damage to a removal operator is effectively avoided.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural view of a tobacco leaf conveying device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the ferromagnetic impurity removing device in fig. 1 in a first state;
fig. 3 is a schematic structural diagram of the ferromagnetic foreign matter removing device in fig. 1 in a second state.
Each reference numeral represents:
1. vibrating a groove;
2. a metal detector;
3. a blanking turnover plate;
4. a charging chute;
5. a ferromagnetic impurity removing device;
51. a magnetic attraction mechanism; 511. a hinge; 512. a housing; 513. an electromagnet; 514. a support plate;
52. a cylinder;
53. a foreign matter collecting tank;
6. a material receiving groove.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously positioned and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 3, a tobacco leaf transfer device according to an embodiment of the present invention includes:
the vibrating trough 1 is provided with a bearing surface for conveying tobacco leaves to downstream equipment;
a charging chute 4 connected with the vibrating chute 1 to receive the tobacco leaves, and the side wall of the charging chute 4 is provided with an opening; and
the ferromagnetic impurity removing device 5 is arranged on the side wall of the charging chute 4 and comprises a magnetic attraction mechanism 51 which is movable relative to the side wall, and in a first state, the magnetic attraction mechanism 51 covers the opening A and adsorbs ferromagnetic impurities in the tobacco leaves entering the charging chute 4; in the second state, the magnetic attraction mechanism 51 leaves the opening a and removes the attracted ferromagnetic foreign matter.
The ferromagnetic sundries in the tobacco leaves are automatically removed by the magnetic suction mechanism 51, and compared with the existing manual removal of the ferromagnetic sundries, the removal efficiency is higher, and the damage to the removal operators is effectively avoided.
As shown in fig. 2 and 3, one end of the magnetic attraction mechanism 51 of the present embodiment is rotatably connected to the side wall. When the ferromagnetic impurities need to be adsorbed, the magnetic attraction mechanism 51 is controlled to rotate to the position covering the opening A; after adsorbing the ferromagnetic foreign materials, the magnetic attraction mechanism 51 is controlled to rotate to a position away from the opening a.
Specifically, the magnetic attraction mechanism 51 of the present embodiment includes a housing 512 and electromagnets 513 disposed in the housing 512, wherein the electromagnets 513 extend along the length direction of the housing 512. The upper end of the outer shell 512 is connected to the side wall of the chute 4 by a hinge 511. The electromagnets 513 are distributed throughout the length of the outer shell 512 so that ferromagnetic foreign matter is attracted to the entire surface of the outer shell 512.
The ferromagnetic impurity removing device 5 of the present embodiment further includes an air cylinder 52 in driving connection with the magnetic attraction mechanism 51. The cylinder body of the cylinder 52 is hinged with the side wall, and the piston rod of the cylinder 52 is connected with the shell 512.
In other embodiments not shown in the figures, the magnetically attractive mechanism may also be arranged to move relative to the side wall in a direction perpendicular to the side wall. After the magnetic attraction mechanism adsorbs the ferromagnetic impurities, the magnetic attraction mechanism is controlled to be far away from the side wall in the direction perpendicular to the side wall, so that the ferromagnetic impurities fall off.
The magnetic attraction mechanism 51 of the embodiment further includes a supporting plate 514 disposed on the side surface of the housing 512 close to the charging chute 4, and the supporting plate 514 is perpendicular to the side surface of the housing 512. After the ferromagnetic impurities are adsorbed on the side of the outer shell 512, some of the heavier metal impurities can be held by the tray 514 and will not slip off with the tobacco.
The ferromagnetic impurity removing device 5 of the present embodiment further includes a foreign object collecting groove 53 disposed below the magnetic attraction mechanism 51. After the electromagnet 513 is powered off, ferromagnetic impurities lose magnetic force and fall into the foreign matter collecting tank 53 due to self weight.
The tobacco leaf conveying device of this embodiment is still including setting up in vibrating groove 1 and being located the metal detector 2 of the front side of the feed inlet of charging chute 4 and setting up in the blanking of the feed inlet department of charging chute 4 and turning over board 3, and the blanking turns over board 3 and opens or closes the feed inlet of charging chute 4 according to the detection signal of metal detector 2.
The ferromagnetic impurity removing device 5 of this embodiment further includes a first electromagnetic valve for controlling the action of the air cylinder 52 and a second electromagnetic valve for controlling the on-off of the electromagnet 513, the tobacco conveying device includes a controller coupled with the first electromagnetic valve, the second electromagnetic valve and the blanking turning plate 3, and the controller controls the action of the first electromagnetic valve, the second electromagnetic valve and the blanking turning plate 3 according to the detection signal of the metal detector 2. This embodiment has realized rejecting the full automatization of ferromagnetism debris through setting up the controller, and then improves the degree of accuracy and the efficiency that the foreign matter was rejected.
The ferromagnetic impurity removing method of the tobacco leaf conveying device comprises the following steps:
detecting whether ferromagnetic impurities are contained in the tobacco conveyed by the vibration groove 1; and
and controlling the magnetic attraction mechanism 51 to act according to the detection result to open or cover the opening so as to remove ferromagnetic impurities in the tobacco leaves.
In this embodiment, the ferromagnetic impurity removing method further includes controlling the blanking turning plate 3 to move according to the detection result before controlling the magnetic attraction mechanism 51 to move according to the detection result.
The controlling of the action of the blanking turning plate 3 and the controlling of the magnetic attraction mechanism 51 according to the detection result of the embodiment includes:
if ferromagnetic impurities are detected to be contained in the tobacco conveyed by the vibration groove 1, the blanking turning plate 3 is controlled to open the feeding hole of the blanking groove 4, and the electromagnet 513 inside the magnetic suction mechanism 51 is controlled to be electrified so that the ferromagnetic impurities are sucked on the shell 512; controlling the magnetic attraction mechanism 51 to move relative to the side wall to open the opening after a set period of time; controlling the electromagnet 513 to be powered off so that ferromagnetic impurities adsorbed on the shell 512 fall down;
if ferromagnetic impurities contained in the tobacco leaves conveyed by the vibrating chute 1 are not detected, the blanking turning plate 3 is controlled not to act to close the feeding hole of the blanking chute 4, so that the tobacco leaves are conveyed to downstream equipment.
Specifically, the metal removing method of the embodiment includes the following steps:
the tobacco leaves are conveyed along with the vibration groove 1, and if the metal detector 2 detects that the tobacco leaves contain ferromagnetic impurities:
the blanking turning plate 3 is opened, the tobacco leaves containing ferromagnetic foreign matters leak down, when the tobacco leaves reach the ferromagnetic foreign matter removing device 5 installed at the blanking groove 4, the second electromagnetic valve in the magnetic suction mechanism 51 is electrified to enable the electromagnet 513 to generate magnetic force, the ferromagnetic foreign matters in the falling tobacco leaves are adsorbed on the surface of the shell 512, and the ferromagnetic foreign matters with large mass can be supported by the supporting plate 514 and cannot slide along with the tobacco leaves.
After a first set time period, the tobacco leaves all fall down, a first electromagnetic valve for controlling the action of the air cylinder 52 is electrified to enable the air cylinder rod to retract, the magnetic attraction mechanism 51 is driven to rotate around the hinge 511, and meanwhile the electromagnet 513 in the magnetic attraction mechanism 51 is powered off and loses magnetism. At this time, the ferromagnetic foreign matters lose the magnetic force and fall into the foreign matter collecting tank 53 by their own weight. The tobacco leaves with the ferromagnetic foreign matters removed fall into the receiving trough 6 along the charging trough 4, so that the aim of automatically removing iron is fulfilled.
After a second set time period, the cylinder 521 is actuated to extend the cylinder rod to rotate the magnetic attraction mechanism 51 in the opposite direction around the hinge 511, so that the magnetic attraction mechanism 51 is reset.
If the metal detector 2 does not detect metal, the blanking turning plate 3 does not act, and the tobacco leaves are continuously conveyed to downstream equipment along the vibrating groove.
In conclusion, the tobacco leaf conveying device provided by the embodiment of the invention realizes automatic separation of ferromagnetic impurities and tobacco leaves, so that the safe and normal operation of mechanical equipment such as a downstream filament cutter, a stem cutter and the like is ensured, and meanwhile, the accident that an iron sharp device scratches a conveying belt can be effectively prevented. The ferromagnetic impurity removing device provided by the embodiment of the invention is suitable for the side walls of the charging chutes of metal detectors of different models, and has wide popularization and universality.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (11)
1. A tobacco leaf conveying device, comprising:
the vibrating trough (1) is provided with a bearing surface for conveying tobacco leaves to downstream equipment;
a charging chute (4) connected with the vibrating chute (1) to receive tobacco leaves, and the side wall of the charging chute (4) is provided with an opening; and
the ferromagnetic impurity removing device (5) is arranged on the side wall of the charging chute (4) and comprises a magnetic attraction mechanism (51) which is movable relative to the side wall, and in a first state, the magnetic attraction mechanism (51) covers the opening and adsorbs ferromagnetic impurities in the tobacco leaves entering the charging chute (4); in the second state, the magnetic attraction mechanism (51) leaves the opening and removes the attracted ferromagnetic impurities.
2. The tobacco leaf conveying device according to claim 1, characterized in that one end of the magnetic attraction mechanism (51) is rotatably connected to the side wall.
3. The tobacco leaf conveying device according to claim 2, characterized in that the ferromagnetic impurity removing device (5) further comprises a cylinder (52) in driving connection with the magnetic attraction mechanism (51).
4. The tobacco leaf conveying device according to claim 2, characterized in that the magnetic attraction mechanism (51) comprises a housing (512) and electromagnets (513) arranged in the housing (512), and the electromagnets (513) extend along the length direction of the housing (512).
5. The tobacco leaf conveying device according to claim 4, characterized by further comprising a metal detector (2) arranged on the vibrating trough (1) and located in front of the feeding hole of the feeding trough (4), and a blanking turning plate (3) arranged at the feeding hole of the feeding trough (4), wherein the blanking turning plate (3) opens or closes the feeding hole of the feeding trough (4) according to a detection signal of the metal detector (2).
6. The tobacco leaf conveying device according to claim 5, characterized in that the ferromagnetic impurity removing device (5) further comprises a first electromagnetic valve for controlling the action of the air cylinder (52) and a second electromagnetic valve for controlling the on-off of the electromagnet (513), the tobacco leaf conveying device comprises a controller coupled with the first electromagnetic valve, the second electromagnetic valve and the blanking turning plate (3), and the controller controls the action of the first electromagnetic valve, the second electromagnetic valve and the blanking turning plate (3) according to a detection signal of the metal detector (2).
7. The tobacco leaf conveying device according to claim 4, characterized in that the magnetic attraction mechanism (51) further comprises a support plate (514) arranged on the side of the housing (512) close to the chute (4), the support plate (514) being perpendicular to the side of the housing (512).
8. The tobacco leaf conveying device according to claim 1, characterized in that the ferromagnetic foreign matter removing device (5) further comprises a foreign matter collecting groove (53) disposed below the magnetic attraction mechanism (51).
9. A ferromagnetic impurity removing method based on the tobacco leaf conveying device of any one of claims 1 to 8 is characterized by comprising the following steps:
detecting whether ferromagnetic impurities are contained in the tobacco conveyed by the vibration groove (1); and
and controlling the magnetic attraction mechanism (51) to act according to the detection result to open or cover the opening so as to remove ferromagnetic impurities in the tobacco leaves.
10. The ferromagnetic impurity removing method for the tobacco leaf conveying device according to claim 9, wherein the tobacco leaf conveying device further comprises a blanking turning plate (3) arranged at a feed inlet of the blanking slot (4), and the ferromagnetic impurity removing method further comprises controlling the blanking turning plate (3) to act according to a detection result before controlling the magnetic attraction mechanism (51) to act according to the detection result.
11. The ferromagnetic impurity removing method for the tobacco conveying device according to claim 10, wherein the controlling the blanking turning plate (3) to move and the magnetic attraction mechanism (51) to move according to the detection result comprises:
if ferromagnetic impurities are detected to be contained in the tobacco conveyed by the vibrating groove (1), the blanking turning plate (3) is controlled to open the feeding hole of the blanking groove (4) and an electromagnet (513) in the magnetic attraction mechanism (51) is controlled to be electrified so that the ferromagnetic impurities are adsorbed on the shell (512); controlling the magnetic attraction mechanism (51) to move relative to the side wall after a set period of time to open the opening; controlling the electromagnet (513) to be powered off so that ferromagnetic impurities adsorbed on the outer shell (512) fall down;
if ferromagnetic impurities are not detected in the tobacco leaves conveyed by the vibrating groove (1), the blanking turning plate (3) is controlled to close the feeding hole of the blanking groove (4) so that the tobacco leaves are conveyed to downstream equipment.
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CN202010353944.2A CN111495587A (en) | 2020-04-29 | 2020-04-29 | Tobacco leaf conveying device and ferromagnetic impurity removing method |
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CN202010353944.2A CN111495587A (en) | 2020-04-29 | 2020-04-29 | Tobacco leaf conveying device and ferromagnetic impurity removing method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114733777A (en) * | 2022-04-01 | 2022-07-12 | 广州珐玛珈智能设备股份有限公司 | Global visual appearance recognition sieve inspection equipment for tablet counting machine |
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CN104907165A (en) * | 2014-03-14 | 2015-09-16 | 抚顺市沃尔普机电设备有限公司 | Chain plate magnetic pole type self-discharging pipeline iron remover |
CN106064746A (en) * | 2016-07-14 | 2016-11-02 | 无锡派乐科技有限公司 | A kind of pipeline structure for removing metal impurities |
CN106111320A (en) * | 2016-07-13 | 2016-11-16 | 无锡派乐科技有限公司 | A kind of can clear up the horizontal piping installation of magnetic rubbish in passageway |
CN108126833A (en) * | 2018-01-10 | 2018-06-08 | 重庆中烟工业有限责任公司 | The on-line automatic device for eliminating of tobacco leaf pipeline sundries |
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2020
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202191962U (en) * | 2011-07-20 | 2012-04-18 | 厦门烟草工业有限责任公司 | Automatic metal-eliminating device |
CN104907165A (en) * | 2014-03-14 | 2015-09-16 | 抚顺市沃尔普机电设备有限公司 | Chain plate magnetic pole type self-discharging pipeline iron remover |
CN106111320A (en) * | 2016-07-13 | 2016-11-16 | 无锡派乐科技有限公司 | A kind of can clear up the horizontal piping installation of magnetic rubbish in passageway |
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Application publication date: 20200807 |