CN109220940B

CN109220940B - Automatic fish feeder

Info

Publication number: CN109220940B
Application number: CN201811150135.0A
Authority: CN
Inventors: 麻景峰
Original assignee: Zhejiang Qixin Testing Co Ltd
Current assignee: Zhejiang Qixin Testing Co ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2020-07-14
Anticipated expiration: 2038-09-29
Also published as: CN109220940A

Abstract

The invention discloses an automatic fish feeder, which comprises a base and a material box, wherein a plurality of material storage cavities for storing fish food are formed in the material box. And a blanking pipe is formed at the lower end of each material storage cavity. The base is rotatably provided with a rotary drum. A discharging part is fixedly connected inside the rotary drum in the base; a discharging channel is formed on the discharging part; the upper end of the discharging part is connected with a material moving part in a sliding way along the axial direction of the rotary drum; the lower end of the base is provided with discharge ports which can be respectively communicated with the discharge channels. The side wall of the rotary drum is provided with a rotary drum blanking port which can be communicated with the blanking pipe and the material moving groove, and a rotary drum discharge port which can be communicated with the discharge port and the material discharging channel. A motor which can drive the rotary drum to rotate or the material moving part to move is arranged in the base. The invention realizes the control of feed selection and feeding amount by a single stepping motor. Through controlling the motor corotation, realized the rotary drum and rotated, made the fodder of assigned position can feed and eat. Through controlling the motor reversal, realized moving the reciprocating motion of material portion, and then controlled the fish food volume of feeding.

Description

Automatic fish feeder

Technical Field

The invention belongs to the technical field of pet articles, and particularly relates to an automatic fish feeder.

Background

Chinese patent document No. CN105746413A discloses a fish feeder, which is characterized in that: feed the fish ware and include storage box, controlling means and timing device, controlling means is steerable storage box is rotatory, timing device can regularly pass through controlling means control storage box is rotatory, and it is rotatory to feed fish ware accessible controlling means control storage box, and foodstuff in the storage box is unrestrained in the fish culture district at rotatory in-process for feed fish operation convenience very simple, set for the rotation time of storage box through timing device, make storage box can regularly rotate, make things convenient for the automatic food of feeding every day like this, the user need not often worry to forget to feed the fish, fine assurance the dietary habit of the rule of user's favorite fish.

Some users can feed different kinds of fish food, such as color-enhanced fish food, high-protein fish food, red worm dry food and the like, to the fish in turn so as to keep the fish strong and bright in body color.

The patent can not store various fish foods and is difficult to meet the requirements of the fish at different times; and it is difficult to control the amount of fish food fed.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: to the not enough of prior art existence, provide and to store multiple fish and eat, can appoint certain fish to eat and feed and can control the automatic fish feeder of the volume of feeding.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: an automatic fish feeder comprises a base and a material box arranged at the upper end of the base, wherein a plurality of material storage cavities for storing fish food are formed in the material box.

The front part of the base is a rotary drum mounting groove with an axis along the horizontal direction.

And a blanking pipe communicated with the top of the rotary drum mounting groove is formed at the lower end of each material storage cavity.

And a rotary drum is rotatably arranged in the rotary drum mounting groove.

The interior of the rotary drum mounting groove, which is positioned in the rotary drum, is fixedly connected with discharging parts which are respectively positioned right below the material storage cavities; a discharge channel vertically penetrating through the discharge part is formed on the discharge part; the discharging channel and the blanking pipe are staggered.

The upper end of the discharging part is connected with a material moving part in a sliding way along the axial direction of the rotary drum; the material moving part is provided with material moving grooves with the same number as the material storage cavities.

When the material moving part moves to the limit position at one side, the material moving groove is positioned under the blanking pipe.

When the material moving part moves to the limit position of the other side, the material moving groove is communicated with the material discharging channel.

And discharge ports which can be respectively communicated with the discharge channels are formed at the lower end of the rotary drum mounting groove.

A rotary drum blanking port capable of communicating the blanking pipe with the material transferring groove is formed in the side wall of the rotary drum; the side wall of the rotary drum is provided with a rotary drum discharge port which can be communicated with the discharge port and the discharge passage.

The projections of the rotating cylinder blanking ports in the axial direction of the rotating cylinder are not overlapped.

And a motor capable of driving the rotary drum to rotate and the material moving part to move is arranged at a position, different from the rotary drum mounting groove, in the base.

A controller is arranged in the base; the motor is electrically connected with the controller.

As an optimization scheme: two driving gears are coaxially arranged on an output shaft of the motor, and the driving gears are connected with the output shaft through a ratchet wheel assembly; the transmission directions of the two driving gears are opposite.

As an optimization scheme: one end of the rotating drum is coaxially and fixedly connected with a rotating drum gear, and the rotating drum gear is in meshing transmission with a driving gear.

The rotary drum gear is coaxially and rotatably connected with a material moving part gear, and the material moving part gear is in meshing transmission with the other driving gear; the material moving part gear is coaxially and fixedly connected with an end face cam for driving the material moving part to move; and a moving head which is in sliding and abutting contact with the end face cam is formed at one end of the material moving part, which is close to the end face cam.

And a spring which enables the moving head to be kept in a state of abutting against the end face cam is arranged between one end of the material moving part, which is far away from the end face cam, and the rotary drum mounting groove.

As an optimization scheme: a rotary drum rotating table is formed on the side wall of the interior of the rotary drum mounting groove, which is far away from the rotary drum gear; and a rotary drum positioning opening which is rotatably connected with the rotary drum rotating table is formed at one end of the rotary drum, which is far away from the rotary drum gear.

A material moving groove positioning block with a non-circular cross section is formed on the inner side of the rotary drum rotating table; a connecting rod is formed between the discharging parts; and a discharging part positioning groove spliced with the material moving groove positioning block is formed at one end of the connecting rod.

A gear rotating rod which is in rotating insertion connection with the rotary drum gear is formed on one side of the material moving part gear; and a gear transmission rod fixedly connected with the end face cam is formed on the end face of the gear rotating rod.

And a gear rotating groove which is rotationally inserted with the connecting rod is formed on the end surface of the gear transmission rod.

As an optimization scheme: the lower end of the base is detachably connected with a base frame; the base frame comprises a base bottom plate connected with the lower end of the base through a screw and two base clamping plates vertically formed at the lower end of the base bottom plate; the base clamping plate is parallel to the axis of the rotary drum; a space exists between the two base clamping plates; a plurality of fastening screws for clamping the aquarium wall between the base clamping plates are connected to one of the base clamping plates.

Compared with the prior art, the invention has the beneficial effects that: when the fish feed box is used, the feed box cover is taken down from the feed box, required fish feed is added into each feed storage cavity, and the feed box cover is covered.

Under non-operating condition, the second slide wall offsets with moving material portion, moves the material trench and is located the unloading and says directly over for when the rotary drum rotates, the fish does not eat and gets into in moving the material trench, avoids unspecified fish to eat and gets into in the unloading is said.

When fish is fed to needs with appointed fish food, controller control motor corotation, the rotary drum gear drives the rotary drum and rotates for corresponding rotary drum blanking mouth is just right with the blanking pipe of appointed storage cavity lower extreme, and the rotary drum blanking mouth all is nonconducting with the rotary drum blanking mouth of other positions.

The controller controls the motor to rotate reversely, the material moving part gear drives the end face cam to rotate 180 degrees, and when the moving head abuts against the first sliding wall, designated fish food enters the material moving groove from the blanking pipe; the controller controls the motor to rotate forward, the rotary drum rotates, the blanking port of the rotary drum is staggered with the blanking pipe, and the discharge port of the rotary drum is opposite to the discharge port.

And then the controller controls the motor to rotate reversely, the material moving part gear drives the end face cam to rotate continuously until the moving head abuts against the second sliding wall, and all the designated fish food in the material moving groove falls into the fish tank through the material outlet channel.

And repeating the process, and stopping the rotation of the motor when the required fish food amount is reached, and enabling the second sliding wall to be abutted against the material moving part.

In the process, the user can operate through the mobile terminal to indirectly control the controller. The controller may also be set to perform the automatic feeding operation of the above process at a specific time or at specific intervals.

When a rotary drum blanking mouth is relative with corresponding blanking pipe, the rotary drum blanking mouth of other positions all is not relative with blanking pipe for moving material portion during operation, only the fish food in a storage chamber gets into out the material way, and the fish food of other positions can not get into out the material way.

After moving the material inslot and amassing the fish and eating, rotating the rotary drum, the rotary drum blanking mouth staggers with the blanking pipe for moving the material groove and removing the in-process to the discharging channel, can not lead to the fish to eat and continuously fall because discharging pipe, moving between material groove, the discharging channel three are regional intercommunication each other.

Set up a plurality of storage chambeies and can deposit multiple fish food, be convenient for provide different types of nutrition.

The invention realizes the control of feed selection and feeding amount by a single stepping motor. Specifically, the rotary drum is rotated by controlling the motor to rotate positively, so that the feed at the designated position can be fed. Through controlling the motor reversal, realized moving the reciprocating motion of material portion, and then controlled the fish food volume of feeding.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 and 5 are schematic structural views of the base of the present invention.

Figure 6 is a schematic view of the structure of the cartridge of the invention.

FIG. 7 is a schematic view of the structure of the drum of the present invention.

Fig. 8 is a schematic structural view of the material moving part of the invention.

FIG. 9 is a schematic view of the structure of the discharging part of the present invention.

Fig. 10 is a schematic view of the construction of the face cam of the present invention.

Fig. 11 is a schematic view of the structure of the motor of the present invention.

Fig. 12 is a schematic structural view of the gear of the material moving part of the invention.

Fig. 13 is a schematic structural view of embodiment 2 of the present invention.

Figure 14 is a schematic view of an exploded structure within the blister shell of the present invention.

Fig. 15 is a schematic structural view of a gear of the material moving part in embodiment 2 of the present invention.

Fig. 16 is a schematic structural view of a material transfer part in embodiment 4 of the present invention.

Fig. 17 is a schematic structural view of an end cam in embodiment 4 of the present invention.

1. A magazine; 10. a material box cover; 11. a material storage cavity; 12. a material box positioning seat; 13. a blanking pipe; 2. a base; 20. a base side plate; 21. a magazine mounting groove; 211. a blanking port; 22. a rotary drum mounting groove; 221. a discharge port; 222. a drum rotating table; 223. a material moving groove positioning block; 23. a gear mounting groove; 24. a motor mounting groove; 25. positioning a magnet; 3. a rotating drum; 31. a rotating drum blanking port; 32. a discharge port of the rotary drum; 33. adsorbing a magnet; 34. a drum positioning port; 4. a discharge part; 41. a discharging channel; 42. a connecting rod; 421. a positioning groove of the discharging part; 5. a material moving part; 50. a spring; 51. a material moving groove; 52. a moving head; 53. a sliding plate; 54. a second material moving groove; 6. a motor; 61. a ratchet assembly; 62. a drive gear; 71. a material moving part gear; 711. a gear transmission rod; 712. a gear rotating groove; 713. a gear rotating rod; 714. a material soaking driving magnet; 72. a drum gear; 73. an end cam; 731. a first sliding wall; 732. a second sliding wall; 733. a third sliding wall; 74. a base frame; 81. soaking the material shell; 811. soaking a material connecting plate; 812. a drive slot; 813. a soaking trough; 82. a material soaking driving wheel; 821. a material soaking driven magnet; 822. the material soaking rotating gear; 83. a foam cover; 84. a linkage belt; 85. a material soaking driven gear; 86. a material blocking impeller; 861. the impeller drives the shaft.

Detailed Description

Example 1

Referring to fig. 1 to 12, the automatic fish feeder of the embodiment includes a base 2 and a magazine 1 mounted on the upper end of the base, wherein a magazine cover 10 is detachably and hermetically connected to the magazine; a plurality of material storage cavities 11 for storing fish food are formed in the material box; different kinds of granular feed can be stored in each storage cavity, so that different kinds of nutrition can be provided for the fish conveniently.

The front part of the base is a rotary drum installation groove 22 with the axis along the horizontal direction; one side of the base, which is positioned on the rotary drum mounting groove, is provided with a gear mounting groove 23, and the rear end of the base, which is positioned on the rotary drum mounting groove, is provided with a motor mounting groove 24.

And a blanking pipe 13 communicated with the top of the rotary drum mounting groove is formed at the lower end of each material storage cavity.

The interior bottom cross-section of storage cavity sets up to the trapezium structure of blanking pipe slope for when fish eat less, the fish of blanking pipe both sides are eaten and can be removed to the blanking pipe under the effect of self gravity, and it is intraductal to be convenient for fish eat entering blanking.

The side wall of the base is detachably connected with a base side plate 20 in an L shape, and two side walls of the base side plate respectively form a closed space with the gear mounting groove and the motor mounting groove, so that the installation is convenient.

A material box mounting groove 21 is formed at the upper end of the base and is positioned right above the rotary drum mounting groove; a material box positioning seat 12 inserted in the material box mounting groove is formed at the lower end of the material box; and a blanking port 211 for communicating the blanking pipe with the rotary drum mounting groove is formed at the bottom in the material box mounting groove.

And a rotary drum 3 is rotatably arranged in the rotary drum mounting groove.

The interior of the rotary drum mounting groove, which is positioned in the rotary drum, is fixedly connected with a discharging part 4 which is respectively positioned right below each material storage cavity; a discharge channel 41 vertically penetrating through the discharge part is formed on the discharge part; the discharging channel and the blanking pipe are staggered; the lower end of the discharging part is abutted against the inner wall of the rotary drum.

The upper end of the discharging part is connected with a material moving part 5 along the axial direction of the rotary drum in a sliding way; the material moving part is provided with material moving grooves 51 with the same number as the material storage cavities; the upper end of the material moving part is abutted against the inner wall of the rotary drum; the depth of the material moving groove is 2-20mm, and the volume of the material moving groove determines the discharging amount of the material moving part when the material moving part performs one discharging action.

A sliding plate is formed at the lower end of the material moving part; and a sliding groove in sliding connection with the sliding plate is formed at the upper end of the discharging part, so that the moving direction of the material moving part is parallel to the axis of the rotary drum at any moment.

And discharge holes 221 which can be respectively communicated with the discharge channels are formed at the lower end of the rotary drum mounting groove.

A rotary drum blanking port 31 capable of communicating the blanking pipe with the material transferring groove is formed in the side wall of the rotary drum; the side wall of the rotary drum is provided with a rotary drum discharge port 32 which can be communicated with the discharge port and the discharge passage.

The rotary drum is made of stainless steel materials, the wall thickness of the rotary drum is 0.1-0.3mm, so that when the rotary drum rotates, the feed is basically not clamped between the rotary drum and the rotary drum mounting groove; even there is powdered fodder of a small amount and goes into between rotary drum and the rotary drum mounting groove by the rotary drum blanking mouth card, along with the rotation of rotary drum, also can finally discharge from the rotary drum discharge gate, can not show the influence to the rotation of rotary drum.

The projections of the rotating cylinder blanking ports in the axial direction of the rotating cylinder are not overlapped, so that the rotating cylinder blanking ports are not communicated with the blanking pipe simultaneously.

The projections of the rotary drum discharge ports in the axial direction of the rotary drum are not overlapped with each other, so that the rotary drum discharge ports are not communicated with the discharge ports simultaneously.

A motor 6 capable of driving the rotary drum to rotate and the material moving part to move is arranged in the motor mounting groove; the motor is a stepping motor.

A controller is arranged in the motor mounting groove; the motor is electrically connected with the controller.

A storage battery for supplying power to the motor is arranged in the motor mounting groove; the storage battery is electrically connected with the controller.

Two driving gears 62 are coaxially arranged on an output shaft of the motor, and the driving gears are connected with the output shaft through a ratchet wheel assembly 61; the transmission directions of the two driving gears are opposite.

One end of the rotating drum is coaxially and fixedly connected with a rotating drum gear 72, and the rotating drum gear is in meshing transmission with a driving gear.

The rotary drum gear 72 is coaxially and rotatably connected with a material moving part gear 71, and the material moving part gear is in meshing transmission with another driving gear; the material moving part gear is coaxially and fixedly connected with an end face cam 73 for driving the material moving part to move; and a moving head 52 which is in sliding contact with the end face cam is formed at one end of the material moving part, which is close to the end face cam.

And a spring 50 which enables the moving head to be kept in a state of abutting against the end face cam is arranged between one end of the material moving part far away from the end face cam and the rotary drum installation groove.

The rotary drum gear 72 and the material moving part gear are both positioned in the gear mounting grooves. The material moving part gear is connected with the base side plate in a rotating mode.

When the motor rotates forwards, the motor drives the rotary drum gear to rotate; when the motor rotates reversely, the motor drives the material moving part gear to rotate.

A first sliding wall 731 perpendicular to the axis of the end cam is formed at the lowest position of the end face of the end cam; a second sliding wall 732 which is vertical to the axis of the end cam is formed at the highest position of the end face cam;

a sliding plate 53 is formed at one end of the material moving part, which is far away from the end face cam; the spring 51 is arranged between the sliding plate and the end face of the drum far away from the end face cam; the spring makes the moving head constantly abut against the end face cam.

The end face cam rotates to further drive the material moving part to perform reciprocating axial movement.

When the moving head abuts against the first sliding wall, the material moving part moves to a limit position on one side, and the material moving groove is located right below the blanking pipe.

When the moving head abuts against the second sliding wall, the material moving part moves to the limit position of the other side, and the material moving groove is communicated with the material discharging channel.

The motor reverses a circle, and the material moving part moves once in a reciprocating motion, and the volume of fish food stored in the material moving groove is fixed, so that the fish food amount for feeding fish can be indirectly controlled by controlling the number of circles of the motor in the reversing.

The side wall of the rotation mounting groove, which is far away from the rotary drum gear, is fixedly connected with a plurality of positioning magnets 25; and an adsorption magnet 33 tightly attracted with the positioning magnet is fixedly connected to the end surface of the rotary drum far away from the rotary drum gear.

When the blanking pipe is communicated with the material moving groove through the blanking port of the rotary drum or the discharge port is communicated with the discharge channel through the discharge port of the rotary drum, the adsorption magnet and one positioning magnet are tightly attracted with each other.

When the motor rotates reversely, the driving gear driving the rotary drum to rotate cannot rotate due to friction force or inertia, and therefore the rotary drum is caused to rotate.

A rotary drum rotating table 222 is formed on the side wall of the interior of the rotary drum mounting groove, which is far away from the rotary drum gear; and a rotary drum positioning opening 34 which is rotatably connected with the rotary drum rotating table is formed at one end of the rotary drum, which is far away from the rotary drum gear.

A material moving groove positioning block 223 with a non-circular cross section is formed on the inner side of the rotary drum rotating table; a connecting rod 42 is formed between the discharging parts; and a discharge part positioning groove 421 inserted with the material moving groove positioning block is formed at one end of the connecting rod.

A gear rotating rod 713 which is in rotating insertion with the rotary drum gear is formed on one side of the material moving part gear; and a gear transmission rod 711 fixedly connected with the end face cam is formed on the end face of the gear rotating rod.

The end face of the gear transmission rod is provided with a gear rotation groove 712 which is rotatably inserted with the connecting rod.

And a sliding plate sliding opening which is in sliding sleeve connection with the connecting rod is formed on the sliding plate.

The lower end of the base is detachably connected with a base frame 74; the base frame comprises a base bottom plate connected with the lower end of the base through a screw and two base clamping plates vertically formed at the lower end of the base bottom plate; the base clamping plate is parallel to the axis of the rotary drum; a space exists between the two base clamping plates; a plurality of fastening screws for clamping the aquarium wall between the base clamping plates are connected to one of the base clamping plates.

When the fish tank side wall clamping device is installed, the base frame is moved to enable the side wall of the fish tank to be located between the base clamping plates, meanwhile, the discharge hole is opposite to the inside of the fish tank, the fastening screw is screwed, the side wall of the fish tank and the base clamping plates are clamped tightly through the fastening screw, and the base frame cannot be separated from the fish tank.

The controller is in communication connection with the wireless router; the mobile terminal can operate through the wireless network control controller.

When the fish feed box is used, the feed box cover is taken down from the feed box, required fish feed is added into each feed storage cavity, and the feed box cover is covered.

Example 2

As shown in fig. 13 to 15, the present embodiment is modified from embodiment 1 in the following manner: the lower end of the base is provided with a foam shell 81, the lower part of which extends into the lower part of the water surface of the fish tank; the foaming shell comprises a foaming groove 813 positioned right below the discharge hole, a foaming connecting plate 811 formed at the upper end of the foaming groove and fixedly connected with the base frame, and a driving groove 812 positioned at one side of the foaming groove; the upper part of the driving groove is opposite to the gear of the material moving part.

The lower end in the soaking groove is rotatably connected with a material blocking impeller 86; the diameter of the material blocking impeller is equivalent to the width of the interior of the material soaking groove.

The upper part of the driving groove is rotationally connected with a material soaking driving wheel 82 for driving the material blocking impeller to rotate; a plurality of foam driving magnets 714 are fixedly connected to the material moving part gear; and a foam driven magnet 821 tightly attracted with the foam driving magnet is fixedly connected to the foam driving wheel.

A foam rotating gear 822 is coaxially formed at one end of the foam driving wheel; an impeller driving rod 861 with a non-circular cross section is formed at one end of the material blocking impeller close to the driving groove; a foam driven gear 85 fixedly connected with the impeller driving rod is rotatably mounted in the driving groove; the foam rotating gear is in transmission connection with the foam driven gear through a linkage belt 84.

One side of the driving groove, which is far away from the base, is fixedly connected with a foam cover 83.

When feeding the fish, the fish food that drops through the discharge gate gets into the bubble silo in, because keep off the material impeller and will steep the silo lower extreme and cover for in the fish food can't get into the fish bowl, the fish food will receive soaking of water at the bubble silo.

When the soaking time is up, the controller controls the motor to rotate forwards, so that each blanking port is not opposite to the blanking pipe; the controller controls the motor to rotate reversely, fish food cannot enter the material moving groove, and the material soaking driven magnet and the material soaking driving magnet attract each other, so that the material soaking driving wheel drives the material soaking driven gear to rotate, and the material stopping impeller rotates.

When keeping off the material impeller and rotating, fish food through soaking is met water and is expanded after being eaten by the fish in getting into the fish bowl through the transmission that keeps off the material impeller, feeds the fish, avoids dry fish food to be eaten by the fish, leads to the fish to be propped.

Example 3

The present embodiment is modified from embodiment 1 or embodiment 2 as follows: the horizontal distance between the discharging channel and the blanking pipe is larger than the width of the material moving channel, so that the discharging channel, the material moving channel and the discharging channel are not communicated in the moving process of the material moving part.

When feeding fish, the controller controls the motor to rotate forwards, and the corresponding rotating drum blanking port is opposite to the blanking pipe at the lower end of the designated storage cavity.

The controller controls the motor to rotate reversely continuously, so that the material moving part moves back and forth continuously, and the material moving groove continuously guides fish food into the material outlet channel from the blanking pipe and accumulates the fish food in the material outlet channel.

When the fish food reaches the specified amount, the controller controls the motor to rotate positively, the discharge port of the rotary drum is opposite to the discharge port, and the fish food in the discharge channel completely falls into the fish tank, so that the condition that the fish is caught by the fish due to too little discharge at one time is avoided.

Example 4

As shown in fig. 16 to 17, the present embodiment is modified from embodiment 1 or embodiment 2 as follows: a second material moving groove 54 is formed on one side of each material moving groove on the material moving part; the volume of the second material transferring groove is smaller than that of the material transferring groove; a third sliding wall 733 is formed on the end face of the end face cam between the first sliding wall and the second sliding wall.

When the moving head abuts against the third sliding wall, the material moving part moves to the middle position, the material moving groove is communicated with the material discharging channel, and the second material discharging groove is located under the material discharging pipe.

When the moving head abuts against the second sliding wall, the moving part moves to the limit position of the other side, and the second charging chute is communicated with the discharging chute.

When the material moving groove is required to move materials, the controller controls the motor to rotate reversely, the first sliding wall is enabled to be abutted against the moving head, then the motor is controlled to rotate forwardly, the corresponding rotating drum blanking port is enabled to be opposite to the blanking pipe at the lower end of the specified material storage cavity, and fish food enters the material moving groove through the blanking pipe.

When the material moving groove is filled with fish food (1-2 s), the controller controls the motor to rotate forward, so that the blanking port of the rotary drum is staggered with the blanking pipe, and the discharge port of the rotary drum is opposite to the discharge port; and then the controller controls the motor to rotate reversely, so that the third sliding wall is abutted against the moving head, and the fish food in the moving groove enters the fish tank through the discharging channel.

When the second material moving groove is needed to move materials, the controller controls the motor to rotate reversely, the third sliding wall is enabled to be abutted against the moving head, then the motor is controlled to rotate forwardly, the corresponding rotating drum blanking port is enabled to be opposite to the blanking pipe at the lower end of the appointed material storage cavity, and fish food enters the second material moving groove through the blanking pipe.

After the second material moving groove is filled with fish food (1-2 s), the controller controls the motor to rotate forward, so that the blanking port of the rotary drum is staggered with the blanking pipe, and the discharge port of the rotary drum is opposite to the discharge port; and then the controller controls the motor to rotate reversely, so that the second sliding wall is abutted against the moving head, and the fish food in the second moving groove enters the fish tank through the discharging channel.

The material moving part is moved firstly, and the rotary drum is rotated, so that the phenomenon that fish food enters a second material moving groove to cause abnormal work when the material moving groove needs to move materials in the moving process of the material moving part is avoided; or when the second material moving groove is needed to move materials, the fish food enters the material moving groove, and abnormal work is caused.

Move the silo or the second moves the silo through making and moves the material, and then changed the fish food volume that once drops to satisfy the required different demands of fish.

Claims

1. The utility model provides an automatic fish feeder, is including the base, and installs the magazine of base upper end, its characterized in that: a plurality of material storage cavities for storing fish food are formed in the material box;

the front part of the base is a rotary drum mounting groove with an axis along the horizontal direction;

a blanking pipe communicated with the top of the rotary drum mounting groove is formed at the lower end of each material storage cavity;

a rotary drum is rotatably arranged in the rotary drum mounting groove;

the interior of the rotary drum mounting groove, which is positioned in the rotary drum, is fixedly connected with discharging parts which are respectively positioned right below the material storage cavities; a discharge channel vertically penetrating through the discharge part is formed on the discharge part; the discharging channel and the blanking pipe are staggered;

the upper end of the discharging part is connected with a material moving part in a sliding way along the axial direction of the rotary drum; the material moving part is provided with material moving grooves with the same number as the material storage cavities;

when the material moving part moves to the limit position at one side, the material moving groove is positioned right below the blanking pipe;

when the material moving part moves to the limit position of the other side, the material moving groove is communicated with the material discharging channel;

the lower end of the drum mounting groove is provided with discharge ports which can be respectively communicated with the discharge channels;

a rotary drum blanking port capable of communicating the blanking pipe with the material transferring groove is formed in the side wall of the rotary drum; a rotary drum discharge port capable of communicating the discharge port with the discharge passage is formed in the side wall of the rotary drum;

projections of the rotary drum blanking ports in the axial direction of the rotary drum are not overlapped with each other;

a motor capable of driving the rotary drum to rotate and the material moving part to move is arranged in the base at a position different from the rotary drum mounting groove;

2. The automatic fish feeder of claim 1, wherein: two driving gears are coaxially arranged on an output shaft of the motor, and the driving gears are connected with the output shaft through a ratchet wheel assembly; the transmission directions of the two driving gears are opposite.

3. The automatic fish feeder of claim 2, wherein: one end of the rotating drum is coaxially and fixedly connected with a rotating drum gear, and the rotating drum gear is in meshing transmission with a driving gear;

the rotary drum gear is coaxially and rotatably connected with a material moving part gear, and the material moving part gear is in meshing transmission with the other driving gear; the material moving part gear is coaxially and fixedly connected with an end face cam for driving the material moving part to move; a moving head which is in sliding contact with the end face cam is formed at one end of the material moving part, which is close to the end face cam;

4. The automatic fish feeder of claim 1, wherein: a rotary drum rotating table is formed on the side wall of the interior of the rotary drum mounting groove, which is far away from the rotary drum gear; a rotary drum positioning opening which is rotatably connected with the rotary drum rotating table is formed at one end of the rotary drum, which is far away from the rotary drum gear;

a material moving groove positioning block with a non-circular cross section is formed on the inner side of the rotary drum rotating table; a connecting rod is formed between the discharging parts; a discharging part positioning groove inserted with the material moving groove positioning block is formed at one end of the connecting rod;

a gear rotating rod which is in rotating insertion connection with the rotary drum gear is formed on one side of the material moving part gear; a gear transmission rod fixedly connected with the end face cam is formed on the end face of the gear rotating rod;

5. The automatic fish feeder of claim 1, wherein: the lower end of the base is detachably connected with a base frame; the base frame comprises a base bottom plate connected with the lower end of the base through a screw and two base clamping plates vertically formed at the lower end of the base bottom plate; the base clamping plate is parallel to the axis of the rotary drum; a space exists between the two base clamping plates; a plurality of fastening screws for clamping the aquarium wall between the base clamping plates are connected to one of the base clamping plates.