CN113303269A - Automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment - Google Patents
Automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment Download PDFInfo
- Publication number
- CN113303269A CN113303269A CN202110656671.3A CN202110656671A CN113303269A CN 113303269 A CN113303269 A CN 113303269A CN 202110656671 A CN202110656671 A CN 202110656671A CN 113303269 A CN113303269 A CN 113303269A
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- China
- Prior art keywords
- fish
- food
- fish food
- pressure spring
- push
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses an automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment, which comprises a fish food bin panel, a fish food bin back plate, a fish food bin middle hinge and M countersunk screws, wherein a fish food observation window is formed in the surface of the fish food bin panel, a pmma perspective plate is embedded and installed in the middle of the fish food observation window in the surface of the fish food bin panel, a push-pull type direct current electromagnet is detachably installed on one side of the bottom end of the fish food bin panel through the screws, and a first M round head screw is installed on one end of the push-pull type direct current electromagnet in a threaded manner. According to the invention, by arranging the push-pull type electromagnet, the fish food flow limiting plate and the reset pressure spring, and utilizing the mutual cooperation of the push-pull type electromagnet, the fish food flow limiting plate and the reset pressure spring, when the fish food feeding device is in a power-on state, the food feeding state is started, the power-on duration and the power-on interval time can be set in an equipment system according to requirements, the food feeding amount and the interval period of circular food feeding are controlled, and the reset device is used for ensuring that the food feeding mechanism is in a closed state under normal conditions, preventing excessive food feeding and further ensuring the practicability of the device.
Description
Technical Field
The invention relates to the technical field of feeding equipment, in particular to an automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment.
Background
At present, desktop fish-vegetable symbiotic equipment on the market has a large number of desktop small fish tanks, a built-in automatic feeding mechanism is basically absent, manual feeding is needed, and some independent feeding devices can be selected and matched.
Disclosure of Invention
In order to overcome the above defects of the prior art, the embodiment of the invention provides an automatic food feeding mechanism based on desktop fish-vegetable symbiotic equipment, which is characterized in that a push-pull electromagnet, a fish food flow limiting plate and a reset pressure spring are arranged, and the mutual cooperation of the push-pull electromagnet, the fish food flow limiting plate and the reset pressure spring is utilized to control the on-off signal of the push-pull electromagnet of the automatic food feeding mechanism through an equipment system, when the automatic food feeding mechanism is in a power-off state, a push-pull electromagnet push rod is in a popup state, a food leaking hole on the fish food flow limiting plate and a food leaking hole at the bottom of a fish food bin are in a staggered separation state, namely, a food feeding state is closed, when the automatic food feeding mechanism is in a power-on state, the food leaking hole on the fish food flow limiting plate and the food leaking hole at the bottom of the fish food bin are overlapped, namely, the food feeding state is opened, the power-on duration and the interval time of power-on can be set in the equipment system according to control the food feeding amount and the interval period of circular food feeding, the mechanism is provided with a reset device, so that the feeding mechanism is ensured to be in a closed state under normal conditions, and excessive feeding is prevented, thereby solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment comprises a fish food bin panel, a fish food bin back plate, a fish food bin middle hinge and an M countersunk screw, wherein a fish food observation window is formed in the surface of the fish food bin panel, a pmma perspective plate is embedded and installed in the middle of the fish food observation window in the surface of the fish food bin panel, a push-pull type direct current electromagnet is detachably installed on one side of the bottom end of the fish food bin panel through a screw, a first M round head screw is installed on one end of the push-pull type direct current electromagnet in a threaded manner, an M anti-slip nut is installed on the bottom end of the first M round head screw in a threaded manner, a fish food flow limiting plate is detachably installed on one end of the push-pull type direct current electromagnet through the first M round head screw in a threaded manner, a reset pressure spring limiting screw is installed on one end of the fish food flow limiting plate in a threaded manner, and a reset pressure spring is fixedly connected with the reset pressure spring, the other end of the pressure spring spacing screw that resets is connected with the pressure spring installation hinge that resets, the bottom screw thread of pressure spring installation hinge that resets is installed second M button head screw, both ends homogeneity is formed with the connecting plate about the hinge in the middle of the fish feed storehouse, the installation screw hole has been seted up on the surface of connecting plate, the hinge has been seted up near one side of fish feed current-limiting plate in the middle of the fish feed storehouse and has been leaked the edible hole of first hourglass, the fish feed current-limiting plate the surface has been seted up the second and has been leaked the edible hole.
In a preferred embodiment, the fish food bin panel, the fish food bin back panel, the fish food bin middle hinge and the M countersunk head screw together form the fish food bin main body.
In a preferred embodiment, the fish food observation window is opened in the middle of the fish food bin panel, and the four corners of the fish food observation window are provided with round corners.
In a preferred embodiment, one side of the fish food limiting plate is installed on an electromagnetic center shaft of the push-pull type direct current electromagnet, and the top end surface of the fish food limiting plate is attached to the bottom of the fish food bin main body.
In a preferred embodiment, the reset pressure spring limiting screw is located inside the reset pressure spring, and the two screws are located on the same horizontal line.
In a preferred embodiment, the return compression spring is positioned at the middle of the end surface of the fish food restrictor plate and the return compression spring mounting hinge.
In a preferred embodiment, the reset pressure spring mounting hinge is mounted on the side, away from the push-pull type direct current electromagnet, of the bottom end of the fish food bin panel through a second M round head screw.
In a preferred embodiment, a reset connecting spring is fixedly sleeved on the surface of the inner center shaft of the push-pull type direct current electromagnet, the cross section of the reset connecting spring is in a right trapezoid shape, and the other end of the reset connecting spring is detachably mounted on the surface of the push-pull type direct current electromagnet.
In a preferred embodiment, the first food leaking hole and the second food leaking hole are matched in overall shape, no gap exists between the first food leaking hole and the second food leaking hole during operation, and the first food leaking hole and the second food leaking hole are rectangular in shape.
The invention has the technical effects and advantages that:
the invention uses the mutual cooperation of the push-pull electromagnet, the fish food flow limiting plate and the reset pressure spring to control the on-off electric signal of the push-pull electromagnet of the mechanism through an equipment system, when the power is off, the push-pull type electromagnet push rod is in a pop-up state, the food leaking hole on the fish food limiting plate and the food leaking hole at the bottom of the fish food bin are in a staggered separation state, namely closing the feeding state, when the power is on, the push-pull type electromagnet push rod is in a retraction state, the food leaking hole on the fish food flow limiting plate is superposed with the food leaking hole at the bottom of the fish food bin, the food throwing mechanism is opened to throw food, can set up the interval time of length and circular telegram according to the demand in equipment system, control throw the food volume and throw the interval cycle of food in circulation, and this mechanism has designed resetting means, guarantees to throw food mechanism under normal conditions and be in the closed condition, prevents to throw food excessively, has further guaranteed the device's practicality.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic view of the backside structure of the present invention;
FIG. 6 is a schematic view of the left side of the present invention;
fig. 7 is a right side schematic view of the present invention.
The reference signs are: 1. a fish food bin panel; 2. a fish food bin back plate; 3. a middle hinge of the fish food bin; 4. a push-pull type direct current electromagnet; 5. a first M3 round head screw; 6. m3 slip nut; 7. a fish food restrictor plate; 8. resetting a pressure spring limiting screw; 9. resetting the pressure spring; 10. a hinge is arranged on the reset pressure spring; 11. a second M3 round head screw; 12. m3 countersunk head screw; 13. a fish food observation window; 14. a connecting plate; 15. installing a screw hole; 16. a pmma perspective plate; 17. a first food leaking hole; 18. and a second food leaking hole.
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.
The automatic feeding mechanism based on the desktop fish-vegetable symbiotic equipment comprises a fish food bin panel 1, a fish food bin back plate 2, a fish food bin middle hinge 3 and M3 countersunk screws 12, wherein a fish food observation window 13 is formed in the surface of the fish food bin panel 1, a pmma perspective plate 16 is embedded and installed in the middle of the fish food observation window 13 in the surface of the fish food bin panel 1, a push-pull type direct current electromagnet 4 is detachably installed on one side of the bottom end of the fish food bin panel 1 through screws, a first M3 round-head screw 5 is installed on one end of the push-pull type direct current electromagnet 4 through screw threads, an M3 anti-slip nut 6 is installed on the bottom end of the first M3 round-head screw 5, a fish food current limiting plate 7 is detachably installed on one end of the push-pull type direct current electromagnet 4 through the first M3 round-head screw 5, a reset pressure spring limiting screw 8 is installed on one end of the fish food current limiting plate 7 through screw threads, the fixed surface of the pressure spring stop screw 8 that resets is connected with pressure spring 9 that resets, the other end of pressure spring stop screw 8 that resets is connected with pressure spring installation hinge 10 that resets, second M3 button head screw 11 is installed to pressure spring installation hinge 10's bottom screw that resets, hinge 3 is eaten to fish about the both ends homogeneous body is formed with connecting plate 14 in the middle of the storehouse, installation screw hole 15 has been seted up on the surface of connecting plate 14, hinge 3 has been offered first hourglass edible hole 17 near one side of fish food current-limiting plate 7 in the middle of the fish food storehouse, the second is seted up on the surface of fish food current-limiting plate 7 and has been leaked edible hole 18.
Wherein, the inside of the push-pull type direct current electromagnet 4 is electrically connected with an external power supply.
Specifically referring to the attached drawing 1 of the specification, a reset connecting spring is fixedly sleeved on the surface of an inner center shaft of the push-pull type direct current electromagnet 4, the cross section of the reset connecting spring is in a right trapezoid shape, and the other end of the reset connecting spring is detachably mounted on the surface of the push-pull type direct current electromagnet 4.
The implementation mode is specifically as follows: utilize reset connection spring and the pressure spring that resets to mutually support for its device can carry out full automatic re-setting under the outage state, thereby has guaranteed the device's practicality, and reset connection spring and the pressure spring that resets state between the two always is in opposite state, and reset connection spring is in tensile state, and the pressure spring that resets then is in compression state.
With specific reference to the attached fig. 3 and 4 of the specification, the overall shapes of the first food leaking hole 17 and the second food leaking hole 18 are matched, no gap exists between the first food leaking hole 17 and the second food leaking hole 18 during operation, and the first food leaking hole 17 and the second food leaking hole 18 are rectangular.
The implementation mode is specifically as follows: utilize first hourglass to eat hole 17 and second to leak between the hole 18 and between the two and at the during operation zero clearance to effectively avoid the unexpected problem that the fish food dropped from between the two, further guaranteed the practicality of device.
The working principle of the invention is as follows:
the first step is as follows: the operator first assembles the various components of the device normally and then starts the device normally.
The second step is that: firstly, an operator energizes the push-pull type direct current electromagnet 4, then a central shaft in the push-pull type direct current electromagnet 4 drives the fish food current limiting plate 7 to slowly shrink and move towards one side of the device through a first M3 round-head screw 5, at the moment, one end of the fish food current limiting plate 7 slowly slides along one side of the bottom end of the fish food bin panel 1, then a second food leaking hole 18 on the surface of the fish food current limiting plate 7 is overlapped with a first food leaking hole 17 on the bottom surface of a middle hinge 3 of the fish food bin, so that the food throwing operation is completed, the food throwing amount and the interval period of circular food throwing can be controlled by setting the energization time length and the energization interval time of an equipment system according to requirements, finally, when the power state of the push-pull type direct current electromagnet 4 is closed, a reset pressure spring 9 at one end of the fish food current limiting plate 7 can slowly pull the fish food current limiting plate to the second food leaking hole 18 and the first food leaking hole 17 under the staggered state through the self tension force, then the device has accomplished the full-automatic, the edible workflow of throwing of accuse material to fish food.
The third step: the operator first closes the device normally, then checks whether the fixity between the various components of the device is normal, and then replaces and repairs the more aged and worn parts inside the device.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: 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, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides an automatic throw edible mechanism based on desktop fish-vegetable intergrowth equipment, includes that the fish eats storehouse panel (1), fish eats storehouse backplate (2), fish eats hinge (3) and M3 countersunk head screw (12) in the middle of the storehouse, its characterized in that: the fish food observation window (13) is arranged on the surface of the fish food bin panel (1), a pmma perspective plate (16) is embedded and installed in the middle of the fish food observation window (13) on the surface of the fish food bin panel (1), a push-pull type direct current electromagnet (4) is detachably installed on one side of the bottom end of the fish food bin panel (1) through screws, a first M3 round-head screw (5) is installed on one end of the push-pull type direct current electromagnet (4), an M3 anti-slip nut (6) is installed on the bottom end of the first M3 round-head screw (5), a fish food flow limiting plate (7) is detachably installed on one end of the push-pull type direct current electromagnet (4) through a first M3 round-head screw (5), a reset pressure spring limiting screw (8) is installed on one end of the fish food flow limiting plate (7), and a reset pressure spring (9) is fixedly connected with the reset pressure spring limiting screw (8), the other end of pressure spring spacing screw that resets (8) is connected with pressure spring installation hinge that resets (10), the bottom threaded mounting of pressure spring installation hinge that resets (10) has second M3 button head screw (11), hinge (3) are formed with connecting plate (14) about both ends homogeneity about fish feed bin, installation screw hole (15) have been seted up on the surface of connecting plate (14), hinge (3) are close to one side that fish feed restriction board (7) have been seted up first hourglass and have been eaten hole (17) in the middle of the fish feed bin, the surface of fish feed restriction board (7) has been seted up the second and has been leaked and eat hole (18).
2. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: the fish food cabin comprises a fish food cabin panel (1), a fish food cabin back plate (2), a fish food cabin middle hinge (3) and M3 countersunk head screws (12) which jointly form a fish food cabin main body.
3. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: fish eat the intermediate position of locating fish food storehouse panel (1) in observation window (13), and the four corners department of fish eating observation window (13) all sets up to the fillet.
4. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: one side of the fish food flow limiting plate (7) is installed on an electromagnetic center shaft of the push-pull type direct current electromagnet (4), and the top end surface of the fish food flow limiting plate (7) is attached to the bottom of the fish food bin main body.
5. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: the reset pressure spring limiting screw (8) is positioned in the reset pressure spring (9), and the reset pressure spring limiting screw are positioned on the same horizontal line.
6. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: the reset pressure spring (9) is positioned between the end surface of the fish food restrictor plate (7) and the reset pressure spring mounting hinge (10).
7. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: and the resetting pressure spring mounting hinge (10) is mounted on one side, far away from the push-pull type direct current electromagnet (4), of the bottom end of the fish food bin panel (1) through a second M3 round head screw (11).
8. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: the surface of the inner center shaft of the push-pull type direct current electromagnet (4) is fixedly sleeved with a reset connecting spring, the cross section of the reset connecting spring is in a right trapezoid shape, and the other end of the reset connecting spring is detachably mounted on the surface of the push-pull type direct current electromagnet (4).
9. The automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment according to claim 1, characterized in that: the first food leaking hole (17) and the second food leaking hole (18) are matched in overall shape, no gap exists between the first food leaking hole and the second food leaking hole when the food leaking holes work, and the first food leaking hole (17) and the second food leaking hole (18) are rectangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110656671.3A CN113303269A (en) | 2021-06-11 | 2021-06-11 | Automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110656671.3A CN113303269A (en) | 2021-06-11 | 2021-06-11 | Automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment |
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| CN113303269A true CN113303269A (en) | 2021-08-27 |
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| CN202110656671.3A Pending CN113303269A (en) | 2021-06-11 | 2021-06-11 | Automatic feeding mechanism based on desktop fish-vegetable symbiotic equipment |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320878A (en) * | 2007-06-05 | 2008-12-10 | 吴志浩 | Automatic wire-stripping tin plating machine |
| CN101658962A (en) * | 2009-09-17 | 2010-03-03 | 黄建滨 | Saw blade grinding machine of metal circular saw blade |
| CN101664754A (en) * | 2009-06-21 | 2010-03-10 | 陈兆红 | Food residue disposal |
| CN102172785A (en) * | 2011-03-18 | 2011-09-07 | 山东省宇捷轴承制造有限公司 | Fine shearing device for steels |
| CN102696501A (en) * | 2012-05-15 | 2012-10-03 | 杨光 | Self-cleaning type bowl for cows to drink water |
| GB201418071D0 (en) * | 2014-10-13 | 2014-11-26 | Eliaz Eddy | Improvement in or relation to fishing |
| CN104430114A (en) * | 2014-12-22 | 2015-03-25 | 天津市水产研究所 | Single-pipeline pneumatic bait-feeding device for aquaculture |
| CN107787859A (en) * | 2017-10-30 | 2018-03-13 | 务川自治县石磨岩种养有限公司 | Control amount supplies feed device |
| CN108249227A (en) * | 2018-01-30 | 2018-07-06 | 烟台艾易网络科技有限公司 | A kind of movable type cable disk |
| CN209882821U (en) * | 2019-03-20 | 2020-01-03 | 刘依霖 | Automatic fish feeding device |
| CN110754383A (en) * | 2019-10-30 | 2020-02-07 | 中山市宠家宝智能设备有限公司 | Automatic feeding and grain discharging mechanism for pets |
| CN111039704A (en) * | 2020-01-14 | 2020-04-21 | 周丹 | Compound microbial organic fertilizer apparatus for producing |
| CN112868728A (en) * | 2021-01-27 | 2021-06-01 | 侯德刚 | Meatball extruding device for food processing |
-
2021
- 2021-06-11 CN CN202110656671.3A patent/CN113303269A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320878A (en) * | 2007-06-05 | 2008-12-10 | 吴志浩 | Automatic wire-stripping tin plating machine |
| CN101664754A (en) * | 2009-06-21 | 2010-03-10 | 陈兆红 | Food residue disposal |
| CN101658962A (en) * | 2009-09-17 | 2010-03-03 | 黄建滨 | Saw blade grinding machine of metal circular saw blade |
| CN102172785A (en) * | 2011-03-18 | 2011-09-07 | 山东省宇捷轴承制造有限公司 | Fine shearing device for steels |
| CN102696501A (en) * | 2012-05-15 | 2012-10-03 | 杨光 | Self-cleaning type bowl for cows to drink water |
| GB201418071D0 (en) * | 2014-10-13 | 2014-11-26 | Eliaz Eddy | Improvement in or relation to fishing |
| CN104430114A (en) * | 2014-12-22 | 2015-03-25 | 天津市水产研究所 | Single-pipeline pneumatic bait-feeding device for aquaculture |
| CN107787859A (en) * | 2017-10-30 | 2018-03-13 | 务川自治县石磨岩种养有限公司 | Control amount supplies feed device |
| CN108249227A (en) * | 2018-01-30 | 2018-07-06 | 烟台艾易网络科技有限公司 | A kind of movable type cable disk |
| CN209882821U (en) * | 2019-03-20 | 2020-01-03 | 刘依霖 | Automatic fish feeding device |
| CN110754383A (en) * | 2019-10-30 | 2020-02-07 | 中山市宠家宝智能设备有限公司 | Automatic feeding and grain discharging mechanism for pets |
| CN111039704A (en) * | 2020-01-14 | 2020-04-21 | 周丹 | Compound microbial organic fertilizer apparatus for producing |
| CN112868728A (en) * | 2021-01-27 | 2021-06-01 | 侯德刚 | Meatball extruding device for food processing |
Non-Patent Citations (1)
| Title |
|---|
| 李楠: "《机床电气控制技术项目化教程》", 31 August 2016 * |
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Application publication date: 20210827 |
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