CN210619611U - Screw rod loading metering mechanism - Google Patents

Abstract

The utility model discloses a screw loading and metering mechanism, which comprises a metering device, a cylindrical barrel and a screw component arranged in the barrel, wherein the screw component comprises a screw which runs through the barrel along the axial direction of the barrel and a blade which is wound on the screw along the axial direction of the screw, and the outer edge of the blade is in sealing fit with the inner wall of the barrel; discharge apparatus, including the hopper that the upper end is connected through the discharge gate of material pipe and barrel, the longitudinal section of hopper is big-end-up's toper to the bin outlet has been seted up to the lower extreme of hopper, installs the tripper of liftable in the hopper, and the tripper passes through the slide bar subassembly to be installed on the hopper, and the tripper is the back taper, and the terminal surface is provided with the chamfer that is used for increasing the distance between tripper and the lateral wall under the tripper. The metering device is used for separating and metering the grains, so that the flow in unit time is controlled, the accurate control of grain discharge is realized, the grains are discharged by combining the discharging device, the generation of dust during the falling of the grains is reduced, and the environmental pollution is avoided.

Description

Screw rod loading metering mechanism

Technical Field

The utility model relates to a material transportation metering equipment field, in particular to screw rod loads metering mechanism.

Background

China is a large country for grain consumption and production, and no matter for an individual household of agriculture contract or a large-scale industrialized farm, the harvest and warehousing of grains face frequent grain weighing, and the weighing of various grains is not required in daily various grain trade settlement. At present, grain in a grain bin is weighed when the grain bin is taken out of the bin, generally, the estimated weight is obtained through time estimation and the product of the flow rate and the time, but the flow rate of the grain in the grain bin is difficult to measure, the deviation of the grain actually taken out of the bin is often found after a truck loads the grain, the difference needs to be supplemented to the grain bin again after the truck loads the grain, sometimes, even multiple times of supplement are needed to realize that the weight of the grain taken out of the bin is in the error range, the labor intensity is high, and the grain delivery efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a screw rod and load metering mechanism, can accurately calculate and discharge weight, reduce and supply the number of times, improve grain warehouse-out efficiency.

According to a first aspect of the present invention, there is provided a screw loading metering mechanism, comprising:

the metering device comprises a cylindrical barrel and a screw assembly arranged in the barrel, wherein an opening for feeding materials is formed in the upper end of the barrel, a discharge hole for discharging materials is formed in the side part of the barrel, the screw assembly comprises a screw penetrating through the barrel in the axial direction and a blade wound on the screw in the axial direction of the screw, the outer edge of the blade is in sealing fit with the inner wall of the barrel, one end of the screw is connected with a speed reducing motor, and the speed reducing motor drives the screw to rotate;

discharge apparatus, including the hopper that the upper end is connected through the discharge gate of material pipe and barrel, the longitudinal section of hopper is big-end-up's toper to the bin outlet has been seted up to the lower extreme of hopper, installs the tripper of liftable in the hopper, and the tripper passes through the slide bar subassembly to be installed on the hopper, and the tripper is the back taper, and the terminal surface is provided with the chamfer that is used for increasing the distance between tripper and the lateral wall under the tripper.

According to the utility model discloses an aspect, the screw rod that provides loads metering mechanism, the motor mount pad is installed to the lower extreme of barrel, and gear motor installs in the outside of motor mount pad, and gear motor's axis of rotation extends to in the motor mount pad and passes through the coupling joint with the screw rod, has seted up the maintenance window on the motor mount pad.

According to the utility model discloses an aspect provides a pair of screw rod loads metering mechanism, slide bar assembly is including adorning the sliding sleeve on the hopper admittedly to and slide and cup joint the slide bar on the sliding sleeve, the one end and the tripper rigid coupling of slide bar install the locking device of location on the sliding sleeve.

According to the utility model discloses an aspect provides a pair of screw rod loads metering mechanism, locking device include the lock nut of spiro union on the sliding sleeve, lock nut and slide bar butt.

According to the utility model discloses an aspect provides a pair of screw rod loads metering mechanism, the up end of tripper is provided with the guide face to the slope of hopper lateral wall.

The utility model discloses in one or more technical scheme have following beneficial effect at least: the utility model discloses a metering mechanism is loaded to one of them technical scheme screw rod, including following part: the metering device comprises a cylindrical barrel and a screw assembly arranged in the barrel, wherein an opening for feeding materials is formed in the upper end of the barrel, a discharge hole for discharging materials is formed in the side part of the barrel, the screw assembly comprises a screw penetrating through the barrel in the axial direction and a blade wound on the screw in the axial direction of the screw, the outer edge of the blade is in sealing fit with the inner wall of the barrel, one end of the screw is connected with a speed reducing motor, and the speed reducing motor drives the screw to rotate; discharge apparatus, including the hopper that the upper end is connected through the discharge gate of material pipe and barrel, the longitudinal section of hopper is big-end-up's toper to the bin outlet has been seted up to the lower extreme of hopper, installs the tripper of liftable in the hopper, and the tripper passes through the slide bar subassembly to be installed on the hopper, and the tripper is the back taper, and the terminal surface is provided with the chamfer that is used for increasing the distance between tripper and the lateral wall under the tripper. The metering device is used for separating and metering the grains, so that the flow in unit time is controlled, the accurate control of grain discharge is realized, the grains are discharged by combining the discharging device, the generation of dust during the falling of the grains is reduced, and the environmental pollution is avoided.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sliding rod assembly according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, according to the utility model discloses a first aspect provides a screw rod loads metering mechanism, including following part metering device 100 and eduction gear 200, separate the measurement to grain through metering device 100 to flow in the control unit interval realizes the accurate control of grain emission, and combines eduction gear 200 to discharge grain, the production of raise dust when reducing the grain whereabouts avoids environmental pollution.

The metering device 100 comprises a cylindrical barrel 110 and a screw assembly 120 installed in the barrel 110, wherein the barrel 110 is formed by rolling a metal plate, an opening 111 for feeding is formed at the upper end of the barrel 110, a discharge hole 112 for discharging materials is formed at the side part of the barrel 110, when the metering device is used, the barrel 110 is obliquely installed to enable the materials to slide downwards along the inner wall of the barrel 110, in addition, the screw assembly 120 comprises a screw penetrating along the axial direction of the barrel 110 and a blade 121 spirally wound on the screw along the axial direction of the screw, the outer edge of the blade 121 is in sealing fit with the inner wall of the barrel 110, one end of the screw is connected with a speed reducing motor 130, the speed reducing motor 130 drives the screw to rotate, the specific speed reducing motor 130 is installed at the lower end of the barrel 110, when the speed reducing motor 130 drives the screw to rotate, the blade 121 drives the materials in the barrel 110 to move downwards under the driving, the materials are discharged from the discharge port 112, and because the outer edge of the blade 121 is in sealing fit with the inner wall of the cylinder 110, the materials cannot penetrate and slide from the gap between the blade 121 and the cylinder 110, so that the weight of the materials discharged from the discharge port 112 is a fixed value every time the screw rotates for one circle, and the total volume of the discharged materials in unit time can be easily calculated only by calculating the number of turns of the screw rotating in unit time, thereby obtaining the total weight of the materials.

Preferably, the lower end of the barrel 110 in this embodiment is provided with a motor mounting seat 131, the reduction motor 130 is mounted outside the motor mounting seat 131, a rotating shaft of the reduction motor 130 extends into the motor mounting seat 131 and is connected with the screw through a coupling 140, and the motor mounting seat 131 is provided with a maintenance window 132. In order to protect the coupler 140, the coupler 140 is prevented from being polluted by the falling dust, so that the service life of the coupler 140 is prolonged.

The discharging device 200 comprises a hopper 210 with an upper end connected with the discharging port 112 of the box body through a material pipe, the longitudinal section of the hopper 210 is in a conical shape with a large top and a small bottom, the lower end of the hopper 210 is provided with a discharging port, a liftable distributor 220 is installed in the hopper 210, the distributor 220 is installed on the hopper 210 through a sliding rod assembly 230, the distributor 220 is in an inverted cone shape, and a chamfer used for increasing the distance between the distributor 220 and the side wall is arranged on the lower end face of the distributor 220. After the material is fed into the hopper 210, the material is scattered towards the side wall of the hopper 210 through the distributor 220 and falls through the gap between the side wall and the distributor 220, and the gap is in a closed ring shape, and is in a ring shape in the embodiment, so that the material forms a cylindrical wall shape with the cross section being consistent with the discharge port in the falling process, and the dust is not easy to run out under the action of pressure difference because the falling speed of the bulk material is high and the air pressure inside the cylindrical wall is lower than the external air pressure, thereby inhibiting the generation of raised dust.

Preferably, the sliding rod assembly 230 in this embodiment includes a sliding sleeve 232 fixedly mounted on the hopper 210, and a sliding rod 231 slidably sleeved on the sliding sleeve 232, one end of the sliding rod 231 is fixedly connected to the distributor 220, and a positioning locking device is mounted on the sliding sleeve 232. Specifically, the upper portion of the distributor 220 is mounted on the hopper 210 through two sets of sliding rod assemblies 230, wherein each set of sliding rod assembly 230 includes two sections of sliding rods 231, the two sections of sliding rods 231 are connected through a sliding sleeve 232, and a locking device for fixing the sliding rods 231 and the sliding sleeve 232 is mounted on the sliding sleeve 232.

Preferably, the locking device in this embodiment comprises a locking nut 233 screwed on the sliding sleeve 232, and the locking nut 233 abuts against the sliding rod 231. The sliding sleeve 232 is provided with a threaded through hole, the lock nut 233 is screwed in the threaded through hole, and the acting force of the lock nut 233 and the screw can be adjusted by twisting the lock nut 233, so that the relative position of the sliding rod 231 and the sliding sleeve 232 is adjusted.

Preferably, the upper end surface of the distributor 220 in this embodiment is provided with a material guiding surface inclined toward the sidewall of the hopper 210. The material is evenly distributed to the inclined wall of the hopper 210 through the material guiding surface.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (5)

1. A screw load metering mechanism, characterized by comprising the following components:

the metering device comprises a cylindrical barrel and a screw assembly arranged in the barrel, wherein an opening for feeding materials is formed in the upper end of the barrel, a discharge hole for discharging materials is formed in the side part of the barrel, the screw assembly comprises a screw penetrating through the barrel in the axial direction and a blade rotating around the screw in the axial direction of the screw, the outer edge of the blade is in sealing fit with the inner wall of the barrel, one end of the screw is connected with a speed reducing motor, and the speed reducing motor drives the screw to rotate;

discharge apparatus, including the upper end through the material pipe with the barrel the hopper that the discharge gate is connected, the longitudinal section of hopper is big-end-up's toper, and the bin outlet has been seted up to the lower extreme of hopper, install the tripper of liftable in the hopper, the tripper passes through the slide bar subassembly and installs on the hopper, the tripper is the back taper, the terminal surface is provided with the chamfer that is used for increasing distance between tripper and the lateral wall under the tripper.

2. A screw load metering mechanism as set forth in claim 1 wherein: the motor mounting seat is installed to the lower extreme of barrel, gear motor installs the outside at the motor mounting seat, gear motor's axis of rotation extend to in the motor mounting seat and with the screw rod passes through the coupling joint, the last maintenance window that has seted up of motor mounting seat.

3. A screw load metering mechanism as set forth in claim 1 wherein: the sliding rod assembly comprises a sliding sleeve fixedly arranged on the hopper and a sliding rod sleeved on the sliding sleeve in a sliding mode, one end of the sliding rod is fixedly connected with the distributor, and a locking device for positioning is arranged on the sliding sleeve.

4. A screw load metering mechanism as set forth in claim 3 wherein: the locking device comprises a locking nut which is in threaded connection with the sliding sleeve, and the locking nut is abutted to the sliding rod.

5. A screw load metering mechanism as set forth in claim 1 wherein: the upper end surface of the distributor is provided with a material guide surface inclined towards the side wall of the hopper.

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