CN218545208U

CN218545208U - Grain drying machine

Info

Publication number: CN218545208U
Application number: CN202222901612.0U
Authority: CN
Inventors: 余继琅; 朱广飞; 张烈
Original assignee: Zhejiang Zhongke Zhixing Machinery Manufacturing Co ltd
Current assignee: Zhejiang Zhongke Zhixing Machinery Manufacturing Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-02-28
Anticipated expiration: 2032-10-28

Abstract

The utility model belongs to the technical field of grain drying machine, refer in particular to a grain drying machine, including the casing that has the drying chamber, be equipped with last air cavity and business turn over air cavity down on the casing respectively, it has circulating fan and heat source device to establish ties in proper order through the pipeline between last air cavity and the business turn over air cavity down to go up, both ends rotate respectively around the drying chamber that is located business turn over air cavity top down and are connected with the transport pivot, the cover is equipped with the ventilative conveyer belt that can allow the air current to pierce through between two transport pivots, one of them carries the pivot to be connected with the power device transmission, be located and set up the grain mouth of going out with external intercommunication on the drying chamber of ventilative conveyer belt front side, the hinge has a grain door plant on the casing. The utility model discloses operating personnel need will open with the relative casing of grain door plant is articulated earlier, and power device restarts, by the rotation of power device drive transport pivot, in order to drive the ventilative conveyer belt and move forward, and then cereal in the drying chamber can be under the promotion of ventilative conveyer belt from the discharge of grain mouth department, realizes the purpose of convenient grain of going out.

Description

Grain drying machine

The technical field is as follows:

the utility model belongs to the technical field of grain drying machines, in particular to a grain drying machine.

Background art:

grain dryers are important devices for drying grain, most of which use a hot air stream to reduce the moisture content of the grain particles and the relative humidity of the air surrounding the grain to prevent the grain heap from becoming wet and spoiled.

A multifunctional bidirectional dryer disclosed in the prior Chinese patent application (application publication No. CN 114659343A) comprises a shell with a drying chamber, wherein an upper net partition and a lower net partition are arranged in the drying chamber, an upper air inlet cavity and a lower air inlet cavity are respectively formed between the upper net partition and the drying chamber, a four-way reversing air passage with four air passages is arranged on the shell, the four air passages are respectively an upper air passage, a lower air passage, an air inlet passage and an air outlet passage, the upper air passage is communicated with the upper air outlet cavity, the lower air passage is communicated with the lower air inlet cavity, a circulating fan and a heat source device are connected in series between the air inlet passage and the air outlet passage, and a valve component is arranged in the four-way reversing air passage. The grain discharging plate with the structure is arranged on the side wall of the lower air inlet and outlet cavity, and when grains are discharged, the grain discharging plate needs to be opened, the lower net partition plate is downwards inclined, so that the grains can be discharged through the grain outlet along the inclined direction of the lower net partition plate. However, the grains are discharged outwards only under the action of the gravity of the grains, and are easily blocked at the grain outlet, so that the problem that the grains are difficult to discharge is solved.

The invention content is as follows:

the utility model aims at providing a grain drying machine, the technical problem that its will solve is how to effectively promote the inside cereal of drying chamber outwards to discharge.

The utility model discloses a realize like this:

a grain dryer comprises a shell with a drying chamber, wherein an upper air inlet and outlet cavity and a lower air inlet and outlet cavity communicated with the drying chamber are respectively arranged on the shell positioned at the top and the bottom of the drying chamber, a circulating fan and a heat source device are sequentially connected in series between the upper air inlet and outlet cavity and the lower air inlet and outlet cavity through pipelines, the front end and the rear end of the drying chamber positioned above the lower air inlet and outlet cavity are respectively connected with a conveying rotating shaft in a rotating mode, a breathable conveying belt used for accepting grains and allowing air flow to penetrate is sleeved between the two conveying rotating shafts, one conveying rotating shaft is connected with a power device in a transmission mode, the power device drives the corresponding conveying rotating shaft to rotate so as to drive the breathable conveying belt to move forwards, a grain outlet communicated with the outside is formed in the drying chamber positioned at the front side of the breathable conveying belt, and a grain outlet door plate capable of blocking the grain outlet is hinged to the shell.

In the grain drying machine, the drying chamber behind the grain outlet is provided with the support frame, the support frame is connected with the grain baffle plate above the breathable conveying belt in a vertical sliding manner, the grain baffle plate is in transmission connection with the driving assembly, the driving assembly drives the grain baffle plate to move up and down relative to the breathable conveying belt, and a grain discharge channel for discharging grains to the grain outlet is formed between the bottom end of the grain baffle plate and the breathable conveying belt.

In the grain dryer, the driving assembly comprises a driving rack arranged on the grain discharging plate, the supporting frame or the drying chamber is rotatably connected with a driving rotating shaft, a driving gear meshed with the driving rack is sleeved on the driving rotating shaft, and one end of the driving rotating shaft is in transmission connection with a driving motor; or one end of the driving rotating shaft is sleeved with an adjusting handle, the shell is provided with an adjusting window corresponding to the position of the adjusting handle, and the shell is hinged with an adjusting cover plate capable of plugging the adjusting window.

In foretell cereal drying-machine, the slope baffle that is used for accepting and leading cereal is provided with in the slope between the lateral wall of drying chamber and the ventilative conveyer belt, keep off the grain board slope and set up in the front side that corresponds the slope baffle, and the inclination that keeps off the grain board corresponds with the slope baffle, and the bottom of slope baffle is seted up and is supplied cereal to get into the row grain breach of arranging the grain passageway, the slope slide rail has been seted up along the inclination that keeps off the grain board on the support frame, keeps off grain board sliding connection on the slope slide rail.

In the grain drying machine, the power device comprises a power motor arranged on the shell, an output shaft of the power motor is in transmission connection with the corresponding conveying rotating shafts through a reduction gearbox, the two conveying rotating shafts are both sleeved with transmission chain teeth, and the two transmission chain teeth are in transmission connection through a transmission chain.

In foretell cereal drying-machine, the grain feeding window with external intercommunication is seted up to the top surface of drying chamber, and the grain feeding plate body can block up the grain feeding window, and one side of the grain feeding plate body articulates on the casing, another side is the free end, is equipped with electric block on the casing, and around having the rope in electric block's the pivot, the outer end of rope is connected with the free end of the grain feeding plate body.

Compared with the prior art, the utility model outstanding advantage is:

the utility model discloses in actually going out the grain operation, operating personnel need to open with the relative casing of grain door plant is articulated earlier, restart power device, by power device drive carry the pivot the rotation, in order to drive the ventilative conveyer belt and move along, and then cereal in the drying chamber can be under the promotion of ventilative conveyer belt from the discharge of grain department, realize the purpose of convenient grain of going out.

Description of the drawings:

fig. 1 is an overall perspective view of the present invention;

fig. 2 is an overall sectional view of the present invention;

fig. 3 is an overall sectional view of the present invention;

fig. 4 is a third overall sectional view of the present invention.

In the figure: 1. a housing; 2. a drying chamber; 3. an upper inlet cavity and a lower outlet cavity; 4. a lower air inlet and outlet cavity; 5. a conveying rotating shaft; 6. a breathable conveyor belt; 7. a grain discharging door plate; 8. a support frame; 9. a grain baffle plate; 10. a drive rack; 11. Driving the rotating shaft; 12. a drive gear; 13. adjusting the handle; 14. adjusting the window; 15. adjusting the cover plate; 16. An inclined guide plate; 17. a power motor; 18. a reduction gearbox; 19. a grain feeding plate body; 20. an electric hoist.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 4:

a grain drying machine comprises a shell 1 with a drying chamber 2, wherein an upper air inlet and outlet cavity 3 and a lower air inlet and outlet cavity 4 communicated with the drying chamber 2 are respectively arranged on the shell 1 at the top and the bottom of the drying chamber 2, a circulating fan and a heat source device are sequentially connected in series between the upper air inlet and outlet cavity 3 and the lower air inlet and outlet cavity 4 through pipelines, the front end and the rear end of the drying chamber 2 above the lower air inlet and outlet cavity 4 are respectively connected with a conveying rotating shaft 5 in a rotating mode, an air-permeable conveying belt 6 used for carrying grains and allowing air flow to penetrate is sleeved between the two conveying rotating shafts 5, one conveying rotating shaft 5 is connected with a power device in a transmission mode, the power device drives the corresponding conveying rotating shaft 5 to rotate so as to drive the air-permeable conveying belt 6 to move forwards, a grain outlet communicated with the outside is formed in the drying chamber 2 at the front side of the air-permeable conveying belt 6, and a grain outlet door plate 7 capable of blocking the grain outlet is hinged to the shell 1. It is in this embodiment, what play grain door plant 7 adopted is the double door structure, and it is provided with two side by side to go out grain door plant 7 promptly, and the back of the body side of two grain door plants 7 all articulates on casing 1, relative side be the free end and fixed through the lock subassembly between the two.

The utility model discloses in the operation of actually going out grain, operating personnel need earlier open the relative casing 1 of grain door plant 7 is articulated, restart power device, by power device drive carry the pivot 5 the rotation, in order to drive ventilative conveyer belt 6 forward movement, and then grain in the drying chamber 2 can be under ventilative conveyer belt 6's promotion from the discharge of grain department, realize the purpose of convenient grain of going out.

Furthermore, in order to control the discharge rate and the discharge capacity of grains from the grain outlet, a support frame 8 is arranged on the drying chamber 2 at the rear side of the grain outlet, a grain blocking plate 9 positioned above the air-permeable conveying belt 6 is connected to the support frame 8 in a sliding manner up and down, the grain blocking plate 9 is connected with a driving assembly in a transmission manner, the driving assembly drives the grain blocking plate 9 to move up and down relative to the air-permeable conveying belt 6, a grain discharge channel for discharging grains to the grain outlet is formed between the bottom end of the grain blocking plate 9 and the air-permeable conveying belt 6, namely, the grain blocking plate 9 is controlled to move up and down through the driving assembly so as to enlarge or reduce the distance between the discharge channels.

Wherein, drive assembly can be for having common telescopic cylinder now, and in this embodiment, the concrete structure that drive assembly adopted is: the driving assembly comprises a driving rack 10 arranged on the grain discharging plate, a driving rotating shaft 11 is connected to the supporting frame 8 or the drying chamber 2 in a rotating mode, a driving gear 12 meshed with the driving rack 10 is sleeved on the driving rotating shaft 11, the driving rotating shaft 11 and the driving gear 12 can be driven by a driving motor in a rotating mode, and namely one end of the driving rotating shaft 11 is in transmission connection with the driving motor; however, considering that the up-and-down movement adjusting frequency of the grain baffle plate 9 is not high and the requirement of adjusting precision is not available, an adjusting handle 13 is sleeved at one end of the driving rotating shaft 11, an adjusting window 14 corresponding to the position of the adjusting handle 13 is arranged on the shell 1, and an adjusting cover plate 15 capable of plugging the adjusting window 14 is hinged on the shell 1. That is, the operator can hinge and open the adjusting cover 15, and can directly rotate the adjusting handle 13 at the adjusting window 14, so as to realize the rotation of the driving shaft 11 and the driving gear 12.

Furthermore, in order to enable all grains in the drying chamber 2 to be accumulated on the breathable conveying belt 6, an inclined guide plate 16 used for carrying and guiding the grains is obliquely arranged between the side wall of the drying chamber 2 and the breathable conveying belt 6, the grain baffle plate 9 is obliquely arranged on the front side of the corresponding inclined guide plate 16, the inclined angle of the grain baffle plate 9 corresponds to that of the inclined guide plate 16, a grain discharging notch for the grains to enter a grain discharging channel is formed in the bottom of the inclined guide plate 16, an inclined sliding rail is formed in the supporting frame 8 along the inclined angle of the grain baffle plate 9, and the grain baffle plate 9 is slidably connected to the inclined sliding rail.

Wherein, in order to drive the rotation of carrying pivot 5, in order to stably drive ventilative conveyer belt 6 and move forward, power device is including setting up the motor 17 on casing 1, and motor 17's output shaft and the transmission that corresponds are connected through reducing gear box 18 transmission between the pivot 5, and two are carried all to overlap on the pivot 5 and are equipped with the transmission sprocket, connect through the transmission chain transmission between two transmission sprockets.

In the present embodiment, the specific structure of the grains entering the drying chamber 2 is as follows: the grain feeding window communicated with the outside is formed in the top surface of the drying chamber 2, the grain feeding plate body 19 can be sealed and plugged, one side edge of the grain feeding plate body 19 is hinged to the shell 1, the other side edge of the grain feeding plate body is a free end, the shell 1 is provided with the electric hoist 20, a rope is wound on a rotating shaft of the electric hoist 20, and the outer end of the rope is connected with the free end of the grain feeding plate body 19.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a grain drying machine, is equipped with last air cavity (3) and business turn over air cavity (4) down that go out with drying chamber (2) intercommunication respectively including casing (1) that has drying chamber (2), on casing (1) that is located drying chamber (2) top and bottom, goes up air cavity (3) and business turn over air cavity (4) down and has circulating fan and heat source device, its characterized in that through the pipeline establish ties in proper order between going up air cavity (3) and business turn over air cavity (4) down: the front end and the rear end of a drying chamber (2) above the lower air inlet and outlet cavity (4) are respectively connected with a conveying rotating shaft (5) in a rotating mode, a breathable conveying belt (6) used for bearing grains and allowing air flow to penetrate is sleeved between the two conveying rotating shafts (5), one conveying rotating shaft (5) is connected with a power device in a transmission mode, the power device drives the corresponding conveying rotating shaft (5) to rotate so as to drive the breathable conveying belt (6) to move forwards, a grain outlet communicated with the outside is formed in the drying chamber (2) on the front side of the breathable conveying belt (6), and a grain outlet door plate (7) capable of blocking the grain outlet is hinged to the shell (1).

2. The grain dryer of claim 1, wherein: be located be equipped with support frame (8) on drying chamber (2) of grain outlet rear side, support frame (8) up-down sliding connection has grain baffle (9) that are located ventilative conveyer belt (6) top, and grain baffle (9) are connected with the drive assembly transmission, and by drive assembly drive grain baffle (9) relative ventilative conveyer belt (6) reciprocate, and form the grain discharge passageway that supplies cereal to arrange to grain outlet between the bottom of grain baffle (9) and ventilative conveyer belt (6).

3. The grain dryer of claim 2, wherein: the driving assembly comprises a transmission rack (10) arranged on the grain discharging plate, a driving rotating shaft (11) is rotatably connected to the supporting frame (8) or the drying chamber (2), a driving gear (12) meshed with the transmission rack (10) is sleeved on the driving rotating shaft (11), and one end of the driving rotating shaft (11) is in transmission connection with a driving motor; or one end of the driving rotating shaft (11) is sleeved with an adjusting handle (13), an adjusting window (14) corresponding to the position of the adjusting handle (13) is formed in the shell (1), and an adjusting cover plate (15) capable of plugging the adjusting window (14) is hinged to the shell (1).

4. A grain dryer according to claim 2 or 3, characterized in that: the utility model discloses a grain drying device, including drying chamber (2), the slope is provided with between the lateral wall of drying chamber (2) and ventilative conveyer belt (6) and is used for accepting the slope baffle (16) that and lead cereal, it sets up in the front side that corresponds slope baffle (16) and the inclination that keeps off cereal board (9) is corresponding with slope baffle (16) to keep off cereal board (9) slope, and the grain discharging breach that supplies cereal to get into the grain discharging passageway is seted up to the bottom of slope baffle (16), the slope slide rail has been seted up along the inclination of baffle (9) on support frame (8), and baffle (9) sliding connection is on the slope slide rail.

5. The grain dryer of claim 1, wherein: the power device comprises a power motor (17) arranged on the shell (1), an output shaft of the power motor (17) is in transmission connection with the corresponding conveying rotating shafts (5) through a reduction box (18), the two conveying rotating shafts (5) are sleeved with transmission chain teeth, and the two transmission chain teeth are in transmission connection through transmission chains.

6. The grain dryer of claim 1, wherein: the grain feeding window communicated with the outside is formed in the top face of the drying chamber (2), the grain feeding plate body (19) can block the grain feeding window, one side edge of the grain feeding plate body (19) is hinged to the shell (1), the other side edge of the grain feeding plate body is a free end, an electric hoist (20) is arranged on the shell (1), a rope is wound on a rotating shaft of the electric hoist (20), and the outer end of the rope is connected with the free end of the grain feeding plate body (19).