CN219362622U - Double-frequency-conversion spiral quantitative feeder - Google Patents

Abstract

The utility model belongs to the technical field of feeders, and particularly relates to a double-frequency-conversion screw quantitative feeder, which comprises a box body, wherein a first screw propeller and a second screw propeller are arranged in the box body, driving mechanisms for driving the first screw propeller and the second screw propeller to rotate are arranged in the first screw propeller and the second screw propeller, two discharge grooves are formed in the bottom surface of the box body, a feeding funnel is fixedly arranged on the top surface of the box body, an inner groove is formed in one side of the feeding funnel, a screen is slidingly connected in the inner groove, a transmission mechanism for driving the screen to move up and down is arranged below the screen, sand is filled in the feeding funnel when sand is required to be transported, and impurities such as a block of sand in the sand are filtered and left on the screen through the screen, so that fine sand flows into the box body through the screen, the filtered fine sand is conveyed to the discharge grooves through the rotation of the first screw propeller and the second screw propeller, and the fine sand leaks out of the discharge grooves to enter the next working procedure.

Description

Double-frequency-conversion spiral quantitative feeder

Technical Field

The utility model belongs to the technical field of feeders, and particularly relates to a double-frequency-conversion spiral quantitative feeder.

Background

The screw feeder is mainly used for conveying and mixing raw materials, the materials are added into a bin, the bin is connected with a main bin, when a rotating shaft rotates, the materials are subjected to the thrust action of a screw blade, the radial component force of the thrust and the friction force of the blade on the materials can possibly drive the materials to rotate, and the materials move axially along a trough under the action of the axial component force of the thrust of the blade due to the dead weight of the materials.

For example, chinese patent with publication number CN203568382U discloses a screw feeder, can automatic adjustment advance sand speed and send sand speed, and equipment degree of automation is high, need not manual operation, including casing and level arrange in the auger of casing, the auger both ends are equipped with supporting bearing, the auger is connected with drive arrangement, be equipped with sand inlet and sand outlet on the casing respectively, its characterized in that: the sand inlet is provided with a material level sensor, the upper end of the sand inlet is provided with a sand inlet connecting frame, a flashboard is arranged between the sand inlet and the sand inlet connecting frame, and the flashboard is connected with a cylinder.

The above patent has the following problems:

this patent suffers from several drawbacks in use, such as: the coarse sand contains stones and other impurities, the existing screw feeder lacks a device for automatically filtering coarse sand to screen fine sand when conveying sand stones, so that production is delayed in the next procedure, the existing screw feeder is unidirectional in feeding, a production line cannot be split when orders are more, and the production line is stopped to reduce production efficiency. In view of this, we propose a double variable frequency screw feeder.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a double-frequency-conversion spiral quantitative feeder, which achieves the effects of filtering larger stones and other impurities during feeding, preparing for the next process, and improving the production efficiency through diversion when orders are more.

In view of the above, the utility model provides a double-frequency-conversion screw quantitative feeder, which comprises a box body, wherein a first screw propeller and a second screw propeller are arranged in the box body, driving mechanisms for driving the first screw propeller and the second screw propeller to rotate are arranged in the first screw propeller and the second screw propeller, two discharging grooves are formed in the bottom surface of the box body, a feeding funnel is fixedly arranged on the top surface of the box body, an inner groove is formed in one side of the feeding funnel, a screen is connected in the inner groove in a sliding manner, and a transmission mechanism for driving the screen to move up and down is arranged below the screen.

Based on the above-mentioned structure, pour into the feed hopper with the grit in when needs transport grit, and impurity such as stone of a bit large block in the grit is filtered through the screen cloth and is stayed on the screen cloth, and then makes fine sand flow into the box through the screen cloth in, sends the blown down tank department with the fine sand after filtering through the rotation of first screw and second screw, spills from the blown down tank and gets into next process.

Preferably, the driving mechanism comprises a rotating shaft and a servo motor, the rotating shaft is rotationally connected in the box body, one end of the rotating shaft penetrates through the box body to the outside of the box body, the servo motor is fixedly installed on one side of the box body, the output end of the servo motor is fixedly connected with one end of the rotating shaft, the first propeller and the second propeller are fixedly installed on the outer side wall of the rotating shaft, the rotation directions of the first propeller and the second propeller are opposite, and fine sand can be conveyed in two parts by arranging the first propeller and the second propeller to be opposite in rotation direction, so that the working efficiency of the device is improved.

Preferably, the transmission mechanism comprises a cam, cam fixed mounting is in the lateral wall of pivot, fixed mounting has the stopper in the feed hopper, sliding connection has the connecting rod on the stopper, the upper end both sides of connecting rod all rotate and are connected with the second roller, the lower extreme both sides of connecting rod all rotate and are connected with first roller, and the cam rotates and drives the connecting rod through first roller and reciprocate, and then drives the screen cloth through the second roller and reciprocate, better messenger's screen cloth screen out fine sand.

Preferably, the first roller is in sliding fit with the outer side wall of the cam, the second roller is in contact with the bottom surface of the screen, the second roller rolls on the bottom surface of the screen, the first roller rolls on the movement track of the cam, and then the connecting rod is driven to move up and down, and then the screen is driven to move up and down, so that sand screening is more complete.

Preferably, the lateral wall of feed hopper has seted up the side tank, side tank 15 is linked together with inside groove 7, sliding connection has the baffle in the side tank, can be with the screen cloth spacing in the inside groove through setting up the baffle, and can guarantee that the stone can not spill.

Preferably, said.

The beneficial effects of the utility model are as follows:

1. this double-frequency conversion screw quantitative feeder, in the time need transport grit pours into the feed hopper into the grit, and impurity such as stone that has a big piece slightly in the grit is filtered through the screen cloth and is stayed on the screen cloth, and then make fine sand flow into the box through the screen cloth in, send the blown down tank department with fine sand after filtering through the rotation of first screw and second screw, spill out from the blown down tank and get into next process, start servo motor when needing the device during operation and drive the pivot rotation, and then drive first screw and second screw rotation and realize the transport of grit, the cam rotation drives the connecting rod through first roller and reciprocates, and then drive the screen cloth through the second roller and reciprocate, better messenger's screen cloth sieves out fine sand.

2. This double-frequency-conversion spiral quantitative feeder, first roller roll on the motion track of cam, and then drive the connecting rod and reciprocate, and then drive the screen cloth and reciprocate for the grit screening more abundant can be with the screen cloth spacing in the inside groove through setting up the baffle, and can guarantee that the stone can not spill, through setting up first screw and second screw and revolve to opposite, can transport the fine sand divide into two parts, has strengthened the work efficiency of device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the case according to the present utility model;

FIG. 3 is a schematic view of a partial explosion in the present utility model;

fig. 4 is a cross-sectional view of the case of the present utility model.

The label in the figure is:

1. a case; 2. a rotating shaft; 3. a first propeller; 4. a second propeller; 5. a discharge chute; 6. a feed hopper; 7. an inner tank; 8. a screen; 9. a limiting block; 10. a servo motor; 11. a cam; 12. a first roller; 13. a connecting rod; 14. a second roller; 15. a side groove; 16. and a baffle.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-4.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

The embodiment of the application discloses double-frequency-conversion screw quantitative feeder, including box 1, be provided with first screw 3 and second screw 4 in the box 1, be provided with in first screw 3 and the second screw 4 and drive first screw 3 and the pivoted actuating mechanism of second screw 4, two blown down tanks 5 have been seted up to the bottom surface of box 1, the top surface fixed mounting of box 1 has feed hopper 6, one side has been seted up inside groove 7 in the feed hopper 6, sliding connection has screen cloth 8 in the inside groove 7, the below of screen cloth 8 is equipped with the drive mechanism who drives screen cloth 8 and reciprocate.

In this embodiment, actuating mechanism includes pivot 2, servo motor 10, and pivot 2 rotates to be connected in box 1, and the one end of pivot 2 runs through box 1 until the outside of box 1, and servo motor 10 fixed mounting is in one side of box 1, servo motor 10 output and the one end fixed connection of pivot 2, and first screw 3 and the equal fixed mounting of second screw 4 are in the lateral wall of pivot 2, and the rotation direction of first screw 3 and second screw 4 is opposite.

Specifically, through setting up first screw 3 and second screw 4 and revolve to opposite, first screw 3 and second screw 4 drive fine sand and remove to two directions, can divide into two parts with fine sand and transport, strengthened the work efficiency of device.

In this embodiment, the drive mechanism includes cam 11, and cam 11 fixed mounting is at the lateral wall of pivot 2, and funnel 6 internal fixation has stopper 9, and sliding connection has connecting rod 13 on the stopper 9, and the upper end both sides of connecting rod 13 all rotate and are connected with second roller 14, and the lower extreme both sides of connecting rod 13 all rotate and are connected with first roller 12.

Specifically, the cam 11 rotates to drive the connecting rod 13 to move up and down through the first roller 12, and then drive the screen 8 to move up and down through the second roller 14, so that fine sand is better screened out by the screen 8.

In this embodiment, the first roller 12 is in sliding engagement with the outer sidewall of the cam 11, the second roller 14 is in contact with the bottom surface of the screen 8, and the second roller 14 rolls on the bottom surface of the screen 8.

Specifically, the first roller 12 rolls on the motion track of the cam 11, so that the connecting rod 13 is driven to move up and down, and the screen 8 is driven to move up and down, so that sand screening is more complete.

In this embodiment, a side groove 15 is formed in the outer side wall of the feed hopper 6, the side groove 15 is communicated with the inner groove 7, and a baffle 16 is slidably connected in the side groove 15.

Specifically, the screen 8 can be limited in the inner groove 7 by arranging the baffle 16, so that the stone is prevented from leaking.

When the double-frequency-conversion screw quantitative feeder of the embodiment is used, sand is injected into a feeding hopper 6 when sand is required to be conveyed, a slightly large block of stone and other impurities in the sand are filtered and left on a screen 8 through the screen 8, fine sand flows into a box body 1 through the screen 8, filtered fine sand is conveyed to a discharge chute 5 through rotation of a first screw 3 and a second screw 4, the discharge chute 5 is leaked into a next working procedure, a servo motor 10 is started to drive a rotating shaft 2 to rotate when the device is required to work, the first screw 3 and the second screw 4 are driven to rotate, sand is conveyed to be conveyed, a cam 11 rotates to drive a connecting rod 13 to move up and down through a first roller 14, the screen 8 is driven to move up and down through a second roller 14, the fine sand is sieved out through the screen 8, the first roller 12 rolls on a motion track of the cam 11, the connecting rod 13 is driven to move up and down, the screen 8 is enabled to be screened more fully, the screen 8 can be limited in an inner groove 7 through a setting 16, the sand conveying efficiency can be guaranteed not to be ensured, and the sand can be reversely leaked to the two parts of the device through the first screw 3 and the second screw 4.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a double frequency conversion spiral constant feeder, includes box (1), its characterized in that: be provided with first screw (3) and second screw (4) in box (1), be provided with in first screw (3) and second screw (4) and drive first screw (3) and second screw (4) pivoted actuating mechanism, two blown down tanks (5) have been seted up to the bottom surface of box (1), the top surface fixed mounting of box (1) has feed hopper (6), inside groove (7) have been seted up to one side in feed hopper (6), sliding connection has screen cloth (8) in inside groove (7), the below of screen cloth (8) is equipped with the drive mechanism who drives screen cloth (8) reciprocate.

2. The double variable frequency screw dosing machine of claim 1, wherein: the driving mechanism comprises a rotating shaft (2) and a servo motor (10), wherein the rotating shaft (2) is rotationally connected in a box body (1), one end of the rotating shaft (2) penetrates through the box body (1) until the outside of the box body (1), the servo motor (10) is fixedly installed on one side of the box body (1), the output end of the servo motor (10) is fixedly connected with one end of the rotating shaft (2), the first screw propeller (3) and the second screw propeller (4) are fixedly installed on the outer side wall of the rotating shaft (2), and the rotation directions of the first screw propeller (3) and the second screw propeller (4) are opposite.

3. The double variable frequency screw dosing machine of claim 2, wherein: the transmission mechanism comprises a cam (11), the cam (11) is fixedly arranged on the outer side wall of the rotating shaft (2), a limiting block (9) is fixedly arranged in the feeding hopper (6), a connecting rod (13) is connected to the limiting block (9) in a sliding mode, second rollers (14) are respectively and rotatably connected to the two sides of the upper end of the connecting rod (13), and first rollers (12) are respectively and rotatably connected to the two sides of the lower end of the connecting rod (13).

4. A double variable frequency screw feeder according to claim 3, wherein: the first roller (12) is in sliding fit with the outer side wall of the cam (11), the second roller (14) is in contact with the bottom surface of the screen (8), and the second roller (14) rolls on the bottom surface of the screen (8).

5. The double variable frequency screw dosing machine of claim 1, wherein: the feeding funnel is characterized in that a side groove (15) is formed in the outer side wall of the feeding funnel (6), the side groove (15) is communicated with the inner groove (7), and a baffle plate (16) is connected in the side groove (15) in a sliding mode.