CN103171777A - Household automatic grain filling machine - Google Patents

Abstract

The invention discloses an automatic household grain filling machine, which comprises a grain conveying device, a filling device, an automatic weighing system, a bag supporting device and a sewing device arranged in sequence. The filling device includes a funnel and a baffle, the funnel has an elongated channel, the baffle is slidably arranged on the elongated channel, the baffle has a state of being inserted into and drawn out from the elongated channel, when the baffle When the plate is stretched in, the elongated channel is cut off, and when the baffle is drawn out, the elongated channel is opened. The automatic weighing system includes a weighing box located below the bottom end of the elongated channel, a gravity sensor connected to the weighing box, a control mechanism connected to the gravity sensor, and the control mechanism is also connected to the filling device, The bottom of the weighing box has an opening that can be opened and closed, and the control mechanism is connected with the opening. This machine is economical and applicable; the operation is simple and easy to understand; the body is small; the efficiency is high; the manpower requirement is small, and it can be widely used in rural areas.

Description

Household Grain Automatic Filling Machine

technical field

The invention belongs to the technical field of household agricultural automatic machinery, and in particular relates to a small household automatic grain filling machine, which can automatically bag and pack various threshed grains (such as rice, wheat, corn, millet, etc.).

Background technique

In recent years, the international market has maintained a strong demand for my country's filling machine products, and the improvement of domestic manufacturing levels has also provided a guarantee for my country's filling machine manufacturing, leading to the gradual transfer of world production capacity to my country, making my country the world's filling machine. Installed machinery manufacturing center. There are many types of filling machines, which can be divided into liquid filling machines, paste filling machines, powder filling machines and granule filling machines from the perspective of material packaging; semi-automatic filling machines and Fully automatic filling production line. This design is mainly aimed at the granule and powder filling machinery.

At present, large-scale grain filling machines are widely used in grain depots, but they are rarely seen in rural areas due to their large size and are not suitable for household use. Therefore, in rural areas, grain is basically filled by hand, and the filling work requires the cooperation of at least two people, which is inefficient. At the same time, with the process of urbanization, my country is gradually moving from a large agricultural country to a large industrial country. More and more rural populations are pouring into cities, and the outflow of rural labor force is becoming more and more serious. Based on the above problems, the present invention proposes the subject of research and development of small household grain filling machines.

Contents of the invention

The purpose of the present invention is to design an automatic machine specially for the shortage of rural labor force. After innovation and improvement, a small, efficient and easy-to-disassemble automatic grain filling machine is obtained to meet the needs of farmers.

The technical solution adopted in the present invention is: an automatic household grain filling machine, comprising a grain conveying device, a filling device, an automatic weighing system, a bag supporting device and a sewing device arranged in sequence. The filling device includes a funnel and a baffle, the funnel has an elongated channel, the baffle is slidably arranged on the elongated channel of the funnel, and the baffle has a state of extending into and withdrawing from the elongated channel , when the baffle is stretched in, the elongated channel of the funnel is cut off, and when the baffle is pulled out, the elongated channel of the funnel is opened. The automatic weighing system includes a weighing box below the bottom of the elongated channel of the funnel, a gravity sensor connected to the weighing box, a control mechanism connected to the gravity sensor and receiving a weight signal from the weighing box, and The control mechanism is also connected with the filling device, the bottom of the weighing box has an opening that can be opened and closed, and the control mechanism is connected with the opening.

Preferably, the grain conveying device includes a conveyor belt with convex grooves on the surface and protruding partition belts on both sides.

Preferably, the shape of the opening at the top of the funnel is rectangular, the cross section of the elongated channel of the funnel is square, and the elongated channel is curved.

Preferably, the filling device further includes a motor, a crank and a connecting rod, the output shaft of the motor is fixedly connected to the crank, the crank is rotatably connected to one end of the connecting rod, and the baffle is rotatably connected to the other end of the connecting rod. one end.

Preferably, a small funnel is provided below the weighing box.

Preferably, the bag supporting device includes a rotating table, a rotating support fixed on the top of the rotating table, a plurality of bag guiding mechanisms evenly fixed on the top of the rotating supporting, and a clamp set on the bag guiding mechanism. Further, the bag guiding mechanism is funnel-shaped with an elliptical cross section, and there are four bag guiding mechanisms arranged evenly.

Preferably, the sewing device includes a sewing conveyor belt and a sewing machine.

The invention has the following advantages: economical and applicable; simple and understandable operation; small body size; simultaneous operation of multiple stations, high efficiency; less manpower demand, and can be widely used in rural areas.

Description of drawings

The above and other objects, features and advantages of the present invention will be more apparent by a more specific description of preferred embodiments of the present invention shown in the accompanying drawings. Like reference numerals designate like parts throughout the drawings. The drawings are not intentionally scaled according to the actual size, and the emphasis is on illustrating the gist of the present invention.

Fig. 1 is the front view of household grain automatic filling machine of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a side view of Fig. 1;

Fig. 4 is an enlarged view of the filling device and the automatic weighing system in Fig. 1 .

Detailed ways

The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.

Generally speaking, the core technical solution of the household grain automatic filling machine proposed by the present invention is: rely on the conveyor belt to transport the grain into the funnel, and the grain enters the weighing box along the bottom of the funnel, and when the grain in the weighing box reaches a certain When setting the weight, the PLC control system controls the baffle to cut off the grain at the bottom of the funnel, and then the opening at the bottom of the weighing box is opened, the grain enters the stretched bag, and the opening is closed; The opening at the bottom of the heavy box is closed, and the turntable is controlled to rotate to the next station. After turning to the next station, the baffle is pulled out, and the grain continues to enter the weighing box. At the same time, the previous bag is sealed to complete a working cycle. The structure, working principle and advantages of the above filling machine will be described and explained below.

Referring to the filling machine shown in FIG. 1 , it mainly includes a grain conveying device 1 , a filling device 2 , an automatic weighing system 3 , a bag supporting device 4 and a sewing device 5 arranged in sequence.

Referring to Fig. 1, the grain conveying device 1 mainly includes a conveyor belt 10, which is a conveying device in the grain filling machine system, and is made of common conveyor belt materials. The difference is that the conveyor belt 10 has convex grooves on the surface and protrusions on both sides The partition belt prevents grain from leaking out.

The power source of the conveyor belt 10 is a motor 11, and the motor rotates to drive the belt transmission so that power is passed to the shaft at the bottom of the conveyor belt 10, and the conveyor belt 10 is driven to run and the grain is transported from a low place to a high place. Conveyor belt 10 has bigger frictional force, no matter what kind of crop food is can transport.

Referring to FIG. 1 and FIG. 4 , the filling device 2 mainly includes two parts: a funnel 20 and a baffle 21 .

The top opening of the funnel 20 is rectangular in shape and located below the top of the conveyor belt 10 . Different from ordinary funnels, the cross section of the elongated channel of the funnel 20 is square, and the elongated channel is curved, and the bottom end directly extends to a certain distance above the mouth of the bag.

The baffle 21 is slidably disposed on the elongated channel of the funnel 20 , and the baffle 21 has a state of extending into and withdrawing from the elongated channel. Referring to FIG. 1 , when the baffle 21 extends in, the elongated channel of the funnel 20 is cut off; referring to FIG. 4 , when the baffle 21 is withdrawn, the elongated channel of the funnel 20 is opened.

The baffle plate 21 is driven by a motor 22, the output shaft of the motor 22 is fixedly connected to a crank 23, and the crank 23 is rotatably connected to one end of the connecting rod 24, and the baffle plate 21 is rotatably connected to the end of the connecting rod 24. another side. Therefore, when the motor 22 rotates, the crank 23 rotates, which drives the connecting rod 24 to swing, thereby causing the baffle plate 21 to slide in the long and thin channel of the funnel.

Referring to Fig. 1 and Fig. 4, the automatic weighing system 3 includes: a weighing box 30 located below the bottom end of the slender channel of the funnel 20, a gravity sensor connected to the weighing box 30, connected to the gravity sensor and receiving the weighing box. The PLC control mechanism of the weight signal of the heavy box 30. The PLC control mechanism is also connected with the filling device 2 and transmits the rotation signal to the motor 22 . The bottom of the weighing box 30 has an opening that can be opened and closed, and the PLC control mechanism is connected to the opening and transmits a switch signal to the opening. A small funnel 31 is preferably arranged below the weighing box 30 to ensure that the grain in the weighing box 30 can smoothly fall into the bag below.

Referring to Fig. 1 and Fig. 2, the bag supporting device 4 includes a rotary table 40, a rotary post 41 fixed on the top of the rotary table 40, four bag guide mechanisms 42 uniformly fixed on the top of the rotary post 41, a set of Clamp 43 on said bag guide 42 . The bag guiding mechanism 42 is funnel-shaped with an elliptical cross section, and is used to open the bag. Clamp 43 is made up of several bar parts, utilizes elastic rubber band to fasten bag opening when closing up, prevents bag from coming off.

Described rotary table 40 is driven by motor 44, and the output shaft of described motor 44 is connected with the input end of reduction box 45, and the output end of described reduction box 45 is connected with worm screw 46, and described worm screw 46 is meshed with worm wheel 47, and described The worm wheel 47 is fixedly connected with the rotary table 40 . The rotary table 40 is rotatably connected with the fixed seat 49 through the bearing 48 .

The sewing device 5 includes a sewing conveyor belt 50 and a sewing machine 51 .

The above is the structural description of the filling machine proposed by the present invention, and its working principle will be explained below. The working principle of the filling machine mainly includes four processes: bag stretching, filling, bag sealing and removal. The above four processes will be described in detail below:

Bag stretching: This process adopts a semi-manual method, manually placing the bag on the bag guide mechanism 42 at station A (see Figure 2), and using the clamp 43 to clamp the bag. The bottom of the bag is supported on the turntable 40, so the weight is concentrated on the turntable 40, and the mouth of the bag is not affected by the gravity of the grain, but is only subjected to the clamping force of the clamp 43. Rotary table 40 rotates 90 ° clockwise, and this bag guiding mechanism 42 rotates to B station, and the bottom end of sack alignment funnel 20 elongated passages is just below.

Filling: the conveyor belt 10 continuously transports the grain to the hopper 20 . The PLC control system closes the opening at the bottom of the weighing box 30, and pulls out the baffle 21, so that the slender channel of the funnel 20 is opened, and the grain enters the weighing box 30 along the bottom of the funnel; the gravity sensor transmits the weight signal of the grain to PLC control system, until the PLC control system detects that the grain weight in the weighing box 30 reaches the preset value, then the PLC control system sends a rotation signal to the motor 22, the baffle plate 21 stretches in, and the slender passage of the funnel 20 is cut off, and at the same time Send a signal to the weighing box 30, open the opening at its bottom, and the grain in the weighing box 30 falls into the bag. Repeat above-mentioned steps predetermined number of times, until the grain of quantification is loaded in the bag, then the opening of weighing box 30 bottoms is closed, the elongated passage of funnel 20 is cut off. Rotary table 40 rotates 90 ° clockwise, and this bag guiding mechanism 42 rotates to C station.

Encapsulation: remove the jig 43, remove the bag mouth from the bag guide mechanism 42, and transport it to the sewing conveyor belt 50, and the sewing machine 51 automatically completes the sealing. The turntable 40 rotates 90° clockwise, and the bag guiding mechanism 42 rotates to the D station.

Removal: Manually remove the filled bags from the filling machine. Rotary table 40 rotates 90 ° clockwise, and this bag guiding mechanism 42 rotates to A station, and now can carry out bag again on this bag guiding mechanism 42 again.

Since this filling machine has four bag guiding mechanisms 42, four stations A, B, C, and D have different bag guiding mechanisms 42 carrying out the above-mentioned four processes respectively, and there is no idle situation. And the baffle plate 21 can be inserted into the hopper 20 to automatically block the grain in the hopper 20 , reserving the preparation time for the rotation of the turntable 40 . The control of this machine adopts PLC control, the baffle and the weighing box are connected with each other, when the weighing box reaches the set value, the baffle blocks the grain, and when the grain on the weighing box is removed, the baffle moves again, and the cycle repeats Finish filling. Although this machine involves a certain amount of manual operation, the labor intensity is small, and only one person can easily complete the operation, which is convenient and quick.

Although the present invention is disclosed as above with preferred embodiments, it is not used to limit the claims. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection should be based on the scope defined by the claims of the present invention.

Claims (10)

1. a Household grain automatic filling machine, comprise the grain conveying device, filling apparatus, support bagging apparatus and the sewing device that set gradually, and described filling apparatus comprises funnel;

It is characterized in that, described filling apparatus also comprises baffle plate, described funnel has elongated passageway, described baffle plate slides and is arranged at the elongated passageway of described funnel, described baffle plate has the state that relative this elongated passageway stretches into and extracts out, and when baffle plate stretched into, the elongated passageway of described funnel was truncated, when baffle plate was extracted out, the elongated passageway of described funnel was opened;

This bottle placer also comprises the Automatic Weighting system between filling apparatus and support bagging apparatus, described Automatic Weighting system comprises the box of weighing of the below, bottom of the elongated passageway that is positioned at funnel, the weight sensor that is connected with the box of weighing, be connected and receive the control mechanism of the weight signal of the box of weighing with described weight sensor, described control mechanism also is connected with described filling apparatus, the bottom of the described box of weighing has the opening that can open and close, and described control mechanism is connected with this opening.

2. bottle placer as claimed in claim 1, is characterized in that, described grain conveying device comprises belt conveyor.

3. bottle placer as claimed in claim 2, is characterized in that, there is tongue on described belt conveyor surface, and the both sides tool is bossed every band.

4. bottle placer as claimed in claim 1, is characterized in that, the open top of described funnel is shaped as rectangle, and the cross-sectional plane of the elongated passageway of described funnel is square, and this elongated passageway is bending.

5. bottle placer as claimed in claim 1, it is characterized in that, described filling apparatus also comprises motor, crank and connecting rod, and the output shaft of described motor is fixedly attached to crank, described crank is rotationally connected the end to connecting rod, and described baffle plate is rotationally connected the other end to connecting rod.

6. bottle placer as claimed in claim 1, is characterized in that, the below of the described box of weighing is provided with little funnel.

7. bottle placer as claimed in claim 1, it is characterized in that, described support bagging apparatus comprises rotating table, be fixed on the swinging strut at described rotating table top, evenly be fixed on described swinging strut top a plurality of sack guiding mechanisms, be set in the fixture on described sack guiding mechanism.

8. bottle placer as claimed in claim 7, is characterized in that, described sack guiding mechanism is that cross-sectional plane is disciform funnel-form.

9. bottle placer as claimed in claim 7, is characterized in that, described sack guiding mechanism is four that are evenly arranged.

10. bottle placer as claimed in claim 1, is characterized in that, described sewing device comprises sewing belt conveyor and sewing machine.

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