CN215797159U - Feeding device - Google Patents

Abstract

The utility model relates to a feeding device which comprises a hopper, a stirring mechanism and a feeding mechanism. The hopper is provided with a feeding hole and a discharging hole communicated with the feeding hole, and the hopper is of a gradually expanding structure from the feeding hole to the discharging hole. In the material drops into the hopper through the feed inlet, first driving piece drive stirring vane is rotatory, mixes behind the material of hopper intracavity, exports the material to material feeding unit, carries the material of stirring in with the hopper to ejection of compact position through material feeding unit. Because the hopper adopts the design of a gradually expanding structure, materials cannot contact with the inner wall of the hopper in the falling process, and cannot adhere to the inner wall of the hopper or block the feed inlet, so that a vertical stirring mechanism is not needed, the volume and the weight of the feeding device are greatly reduced, and the manufacturing cost is reduced; and the influence on the feeding device caused by the working of the vertical mechanism can be avoided, so that the feeding precision is ensured, and the practical flexibility and the convenience of the equipment are improved.

Description

Feeding device

Technical Field

The utility model relates to the technical field of automatic feeding, in particular to a feeding device.

Background

The spiral weighing and feeding device is a production metering device for continuously conveying, dynamically metering and controlling feeding various powdery and bulk materials. It is widely applicable to cement, chemical, metallurgy, ceramics, grain, transportation and other industries. As a complete machine automation mechanism for metering and batching, the automatic metering device can provide accurate metering data and control means for field management and operation.

The existing feeding device is provided with a vertical stirring mechanism in order to prevent the bridging phenomenon caused by the adhesion of materials on the inner wall of the hopper, so that the materials adhered on the inner wall of the hopper are scraped. On one hand, the volume and the weight of the whole instrument are increased; on the other hand, when the vertical stirring mechanism works, abnormal vibration is easily generated due to the resistance of materials, so that the feeding precision of the equipment is affected, and the problem of inconvenient use exists.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a feeding device that solves the above-mentioned problem, in order to solve the problem of inconvenient use of the conventional feeding device.

A feed device, comprising: the hopper is provided with a feeding hole and a discharging hole communicated with the feeding hole, and the hopper is in a gradually expanding structure from the feeding hole to the discharging hole; the stirring mechanism is arranged below the discharge hole and comprises a first driving piece and a stirring blade connected to the first driving piece; the first driving piece is used for driving the stirring blade to rotate around the axis of the first driving piece; and the feeding mechanism is arranged below the stirring blades and is used for conveying materials to a discharging position.

In one embodiment, the feeding device further comprises a material carrying barrel communicated with the discharge port, and the stirring blade is arranged in the material carrying barrel.

In one embodiment, the feeding device further comprises a cover body, and the cover body is installed on the feeding hole; the cover body is provided with a feeding channel communicated with the feeding hole.

In one embodiment, the feeding device further comprises a first connecting piece, and the cover body is connected with the hopper through the first connecting piece; the feeding device also comprises a second connecting piece, and the hopper is connected with the material loading barrel through the second connecting piece.

In one embodiment, the feeding mechanism comprises a feeding barrel, a second driving piece and a conveying rod; the feeding barrel is communicated with the material loading barrel, and the conveying rod is positioned in the feeding barrel and is connected with the second driving piece; the second driving piece drives the conveying rod to rotate around the axis of the conveying rod, so that the materials are conveyed to the discharging position.

In one embodiment, the feeding device further comprises a discharge cylinder communicated with the feeding cylinder, and a cylinder cavity of the discharge cylinder forms the discharge position.

In one embodiment, an end of the conveying rod, which is far away from the second driving member, is rotatably connected with the discharging cylinder.

In one embodiment, the conveying rod comprises a first spiral conveying rod and a second spiral conveying rod which are arranged in parallel, the first spiral conveying rod is connected to the output shaft of the second driving piece, and the second spiral conveying rod is in transmission connection with the first spiral conveying rod.

In one embodiment, the number of the stirring blades is multiple, and each stirring blade is distributed at intervals along the circumferential direction of the stirring shaft of the stirring mechanism.

In one embodiment, the stirring blade is a blade with an arc-shaped structure, and a gap is formed between one end of the blade, which is far away from the stirring shaft of the stirring mechanism, and the inner wall of the hopper.

The technical scheme has the following beneficial effects: the feeding device comprises a hopper, a stirring mechanism and a feeding mechanism, wherein the hopper is provided with a feeding hole and a discharging hole communicated with the feeding hole, and the hopper is of a gradually expanding structure from the feeding hole to the discharging hole. In the material drops into the hopper through the feed inlet, first driving piece drive stirring vane is rotatory, mixes behind the material of hopper intracavity, exports the material to material feeding unit, carries the material of stirring in with the hopper to ejection of compact position through material feeding unit. Because the hopper is the structure that expands gradually from feed inlet to discharge gate, adopts big end down's toper design, after the feed inlet of material through the top, the discharge gate falls under the effect of gravity, consequently the material can not contact with the hopper inner wall, the material adhesion just also can not appear and block up the condition that influences the feed precision in the hopper inner wall or appear at the feed inlet, consequently also need not to set up perpendicular rabbling mechanism yet for feeder's volume and weight all reduce by a wide margin, and reduce manufacturing cost. Because the vertical stirring mechanism is cancelled, the influence of the vertical mechanism on the feeding device during working can be avoided, thereby ensuring the feeding precision and improving the practical flexibility and convenience of the equipment.

Drawings

Fig. 1 is a schematic structural diagram of a feeding device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view taken at a-a of fig. 1.

Reference numerals: 10-a feeding device; 100-a hopper; 210-a first drive member; 220-stirring blades; 230-a stirring shaft; 300-a feeding mechanism; 310-a second driver; 320-a conveying rod; 330-a feed cylinder; 400-a cartridge carrying barrel; 500-a cover body; 510-a feed channel; 610-a first connector; 620-second connector; 700-discharging cylinder.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced mechanism or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Fig. 1 is a schematic structural diagram of a feeding device 10 according to an embodiment of the present invention, and fig. 2 is a sectional view taken along line a-a shown in fig. 1. As shown in fig. 1 and 2, a feeding device 10 according to an embodiment of the present invention includes a hopper 100, a stirring mechanism, and a feeding mechanism 300. The hopper 100 is provided with a feeding hole and a discharging hole communicated with the feeding hole, and the hopper 100 is in a gradually expanding structure from the feeding hole to the discharging hole; the stirring mechanism is arranged below the discharge hole and comprises a first driving part 210 and a stirring blade 220 connected to the first driving part 210; the first driving member 210 is used for driving the stirring blade 220 to rotate around the axis of the first driving member so as to stir the material; the feeding mechanism 300 is disposed below the stirring blade 220, and the feeding mechanism 300 is used for conveying the material to a discharging position.

In this embodiment, the material is thrown into the hopper 100 through the feed inlet, and the first driving piece 210 drives the stirring vane 220 to rotate, mixes the material in the hopper 100 intracavity evenly, and then exports the material to material feeding unit, and the material of stirring through material feeding unit in with the hopper 100 is carried to the ejection of compact position. Because hopper 100 is the structure that expands gradually from feed inlet to discharge gate, adopt big end down's toper design, when the material gets into in the hopper through the feed inlet of top, the circumference at each department at hopper lateral wall place all has the interval with between the circumference at discharge gate place, and the interval increases gradually along with the direction of motion of material, consequently, the material can not contact with hopper 100 inner wall, and directly fall to the discharge gate under the action of gravity, the condition of material adhesion at hopper 100 inner wall just also can not appear, and because the flow path size of material process is crescent, the condition that the feed inlet blockked up influences the feed precision just also can not appear, consequently just also need not to set up perpendicular rabbling mechanism, make feeder 10's volume and weight all reduce by a wide margin, and reduce manufacturing cost. Because a vertical stirring mechanism is cancelled, the influence of the vertical mechanism on the feeding device 10 during working can be avoided, so that the feeding precision is ensured, and the practical flexibility and the convenience of the equipment are improved.

As shown in fig. 2, in an embodiment, the stirring shaft 230 of the stirring mechanism is in transmission connection with the driving shaft of the first driving member 210, and the stirring blade 220 is detachably connected with the stirring shaft 230. Through the design, if the stirring shaft 230 or the stirring blades 220 are damaged in the using process, the stirring shaft can be conveniently disassembled for maintenance or replacement.

Further, as shown in fig. 1 and fig. 2, the stirring blade 220 is connected to the end of the stirring shaft 230 far away from the first driving member 210, that is, the stirring blade 220 is installed on the top of the stirring shaft 230, so that the material does not remain on the side wall of the stirring shaft 230, the material is not easily accumulated between the stirring shaft 230 and the stirring blade 220, the material in the hopper 100 can be more easily stirred and pushed into the feeding mechanism 300, the bridging of the material between the hopper 100 and the feeding mechanism 300 is prevented, and the feeding stability is ensured.

In an alternative embodiment, as shown in fig. 2, the number of the stirring vanes 220 is plural, and each of the stirring vanes 220 is spaced along the circumferential direction of the stirring shaft 230. Through this kind of design, increase stirring dynamics prevents that the material from having the caking phenomenon because the stirring is not in place when leading to the ejection of compact, and can guarantee that the stirring power between each region of hopper 100 is more even, and then guarantees the stability of the ejection of compact.

With continued reference to fig. 2, in another embodiment, the stirring blade 220 is a blade with an arc-shaped structure, and a gap is formed between an end of the blade far from the stirring shaft 230 and the inner wall of the hopper 100. Because a gap is formed between the stirring blade 220 and the inner wall of the hopper 100, the stirring blade 220 can drive the material to flow in the gap while stirring the material, so that the material enters the feeding mechanism 300 through the discharge hole at the bottom while being fully and uniformly stirred. The bevel is not arranged on the stirring blade 220, so that the materials are prevented from being accumulated on the bevel, and the stirring effect of the materials is ensured.

As shown in fig. 1, in a specific embodiment, the feeding device 10 further includes a material loading barrel 400 communicated with the discharge port, and the stirring blade 220 is disposed in the material loading barrel 400. Carry feed cylinder 400 and be connected with hopper 100 bottom for holding stirring vane 220, can avoid causing the influence to the loading and unloading of hopper 100 through setting up the lower feed cylinder 400 of carrying of putting, make things convenient for the staff to take off when needs or load onto hopper 100.

Referring to fig. 1, in another embodiment, the feeding device 10 further includes a cover 500, wherein the cover 500 is installed at the feeding hole; the cap body 500 has a feed channel 510 communicating with the feed inlet. The material enters the hopper 100 through the feeding channel 510, and because the size of the feeding channel 510 is smaller than that of the hopper 100, the material can be prevented from rubbing against the inner wall of the hopper 100 in the downward movement process under the action of gravity, so that the material can smoothly move to the discharge port.

As shown in fig. 1, in an alternative embodiment, the feeding device 10 further includes a first connector 610 and a second connector 620, the cover 500 is connected to the hopper 100 through the first connector 610, and the hopper 100 is connected to the loading cylinder 400 through the second connector 620. Specifically, the first connecting member 610 includes an upper connecting plate and a lower connecting plate, the upper connecting plate is sleeved on the lower end of the cover body 500, the lower connecting plate is sleeved on the upper end of the hopper 100, and the two connecting plates are fastened by a fastening member such as a bolt, so that the cover body 500 is mounted on the hopper 100. The second connector 610 and the first connector 620 have similar structures, and thus, the description thereof is omitted. By adopting the detachable connection mode, when the component is damaged in the using process, the component can be conveniently detached for maintenance or replacement.

As shown in fig. 2, in one embodiment, the feeding mechanism 300 includes a feeding barrel 330, a second driving member 310, and a feeding rod 320; the feeding barrel 330 is communicated with the loading barrel 400, and the conveying rod 320 is positioned in the feeding barrel 330 and connected with the second driving member 310; the second driving member 310 drives the conveying rod 320 to rotate around the axis thereof, so as to convey the material to the discharging position. The feeding barrel 330 has a second inlet and a second outlet communicated with the second inlet; a second inlet is in communication with the loading drum 400 and a second outlet is located at an end of the feed drum 330 remote from the second drive member 310. The material enters the second inlet from the discharge port of the hopper 100 and directly falls onto the conveying rod 320, and the conveying rod 320 rotates under the action of the second driving member 310, so that the material is conveyed. Meanwhile, the clearance between the rotating tracks of the conveying rod 320 and the stirring shaft 230 is very small, and under the action of the rotation of the conveying rod 320 and the stirring shaft 230, a second inlet above the conveying rod 320 cannot form a bridge, so that smooth feeding of the conveying rod 320 is ensured.

In an alternative embodiment, the conveying rod 320 includes a first spiral conveying rod and a second spiral conveying rod arranged in parallel, the first spiral conveying rod is connected to the output shaft of the second driving member 310, a first gear ring is sleeved on the first spiral conveying rod, and a second gear ring meshed with the first gear ring is sleeved on the second spiral conveying rod. In this way, when the second driving member 310 drives the first screw conveyor rod to screw, the second screw conveyor rod also screws under the driving action of the first gear ring and the second gear ring. Under the conveying action of the double-spiral conveying rod, the feeding speed is ensured, and the feeding stability of the feeding device 10 is further ensured.

In yet another embodiment, as shown in fig. 1 and 2, the feeding device 10 further comprises a discharge cylinder 700 in communication with the feed cylinder 330. The end of the discharge cylinder 700 far away from the hopper 100 is connected with a discharge pipe, and the end of the conveying rod 320 far away from the second driving member 310 is rotatably connected with the discharge pipe. The discharge pipe connected to the end of the discharge cylinder 700 far away from the hopper 100 can avoid the splashing of the discharged materials, and ensures that the materials fall down to be collected after being stably discharged. In addition, the end of the conveying rod 320 far away from the second driving element 310 is rotatably connected with the discharge pipe, so that the stability of the rotary conveying of the conveying rod 320 can be improved.

In a specific embodiment, the first driving member 210 can be a first speed reduction motor, and an output shaft of the first speed reduction motor is connected to the stirring shaft 230, so as to control the feeding flow rate of the material by adjusting the output rotation speed of the first speed reduction motor. The second driving member 310 may be a second speed reduction motor, and an output shaft of the second speed reduction motor is connected to the conveying rod 320. In this embodiment, because the granularity of the material may be different, the rotating speed of the second speed reduction motor needs to be adjusted during the spiral output process of the material, or the rotating speed of the motor needs to be controlled at the final stage of material conveying, so as to achieve the purpose of conveying with the least energy consumption.

Further, the feeding device 10 further includes a base, and the base is installed below the feeding mechanism 300. The base can ensure that important parts of the feeding device 10 cannot contact with the ground, and can prevent moisture and rust. In addition, a plurality of wheels are installed on the base, so that the feeding device 10 can be conveniently carried to a required position, and in the carrying process, the feeding device can be carried by rolling through the wheels, so that labor is saved and convenience is realized.

In the feeding device 10, the material enters the hopper 100 through the feeding channel 510 of the cover 500, the first driving member 210 drives the stirring blade 220 to rotate, after the material in the cavity of the mixing hopper 100 is mixed, the material enters the second feeding hole from the discharging hole of the hopper 100 and directly falls onto the conveying rod 320, and the conveying rod 320 performs a spiral motion under the action of the second driving member 310 and conveys the material to the discharging cylinder for discharging. Because hopper 100 is the structure that gradually expands from feed inlet to discharge gate, adopt big end down's toper design, after the material passes through the feed inlet of top, fall the discharge gate under the effect of gravity, the size of the flow channel of material process is crescent, consequently, the material can not contact with hopper 100 inner wall, the material adhesion just can not appear in the hopper 100 inner wall yet or the condition that influences the feeding precision appears stopping up at the feed inlet, consequently, also need not to set up perpendicular rabbling mechanism yet, make feeder 10's volume and weight all reduce by a wide margin, and reduce manufacturing cost. Because a vertical stirring mechanism is cancelled, the influence of the vertical mechanism on the feeding device 10 during working can be avoided, so that the feeding precision is ensured, and the practical flexibility and the convenience of the equipment are improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A feeder device, comprising:

the hopper (100) is provided with a feeding hole and a discharging hole communicated with the feeding hole, and the hopper (100) is of a gradually expanding structure from the feeding hole to the discharging hole;

the stirring mechanism is arranged below the discharge hole and comprises a first driving part (210) and a stirring blade (220) connected to the first driving part (210); the first driving piece (210) is used for driving the stirring blade (220) to rotate around the axis of the first driving piece;

the feeding mechanism (300) is arranged below the stirring blade (220), and the feeding mechanism (300) is used for conveying materials to a discharging position.

2. The feeding device according to claim 1, further comprising a cartridge carrier (400) communicating with the discharge port, wherein the stirring blade (220) is disposed within the cartridge carrier (400).

3. The feeding device according to claim 2, further comprising a cover (500), wherein the cover (500) is mounted to the feeding port; the cover (500) has a feed channel (510) in communication with the feed inlet.

4. The feeding device according to claim 3, characterized in that it further comprises a first connector (610), said cover (500) being connected to said hopper (100) by means of said first connector (610);

the feeding device further comprises a second connecting member (620), and the hopper (100) and the material loading barrel (400) are connected through the second connecting member (620).

5. The feeding device according to claim 2, wherein the feeding mechanism (300) comprises a feeding barrel (330), a second driving member (310) and a conveying rod (320);

the feeding barrel (330) is communicated with the material loading barrel (400), and the conveying rod (320) is positioned in the feeding barrel (330) and is connected with the second driving piece (310); the second driving piece (310) drives the conveying rod (320) to rotate around the axis of the second driving piece so as to convey the materials to the discharging position.

6. The feeding device according to claim 5, characterized in that it further comprises a discharge cylinder (700) communicating with said feeding cylinder (330), the cylinder cavity of said discharge cylinder (700) forming said discharge position.

7. The feeding device according to claim 6, characterized in that the end of the conveying rod (320) remote from the second driving element (310) is rotatably connected to the draw-off cylinder (700).

8. The feeding device according to claim 5, wherein the conveying rod (320) comprises a first spiral conveying rod and a second spiral conveying rod which are arranged in parallel, the first spiral conveying rod is connected to the output shaft of the second driving member (310), and the second spiral conveying rod is in transmission connection with the first spiral conveying rod.

9. The feeding device according to claim 1, wherein the number of the stirring blades (220) is multiple, and each stirring blade (220) is distributed at intervals along the circumferential direction of the stirring shaft (230) of the stirring mechanism.

10. The feeding device according to claim 9, wherein the stirring blade (220) is a blade with an arc-shaped structure, and a gap is formed between one end of the blade far away from the stirring shaft (230) and the inner wall of the hopper (100).

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