CN114904776B

CN114904776B - Equipment for identifying plumpness of tree seeds

Info

Publication number: CN114904776B
Application number: CN202210576231.1A
Authority: CN
Inventors: 杨海平; 王宁; 庄振杰; 陈莹; 田春青; 刘琼; 姚树建; 张锋
Original assignee: Shandong Forest And Grass Germplasm Resources Center Shandong Yaoxiang Forest Farm
Current assignee: Shandong Forest And Grass Germplasm Resources Center Shandong Yaoxiang Forest Farm
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-06-02
Anticipated expiration: 2042-05-25
Also published as: CN114904776A

Abstract

The invention belongs to the technical field of screening of tree seeds, and particularly discloses equipment for identifying tree seed plumpness, which comprises a screening screen plate obliquely arranged, wherein a material receiving part is arranged below the screening screen plate, an arc-shaped cover is fixedly arranged at the top of the screening screen plate, the lower end of the arc-shaped cover is arranged in an arc shape, a storage hopper is arranged at the upper end of the arc-shaped cover in a communicating manner, a material blocking part is arranged at a material discharging port of the storage hopper, a material throwing dispersing part is arranged inside the arc-shaped cover, and an automatic opening and closing material discharging part is arranged below the end part of the arc-shaped cover. Compared with the prior art, the forest seed screening device can be used for scattering and dispersing the forest seeds, has the repeated screening function for many times, and effectively ensures the screening effect of the forest seeds.

Description

Equipment for identifying plumpness of tree seeds

Technical Field

The invention belongs to the technical field of screening of tree seeds, and particularly discloses equipment for identifying tree seed plumpness.

Background

Forestation, returning to the cultivation and ecological restoration are extremely important. The forestation can keep water and soil, the vegetation coverage rate is low, a large amount of sediment flows into the river every rainy season, the field is destroyed, the river bed is filled up, the sea entrance is silted up, and the harm is extremely great. In order to inhibit water and soil loss, tree forestation is necessary, because the tree has a large root system like a crown, and can firmly grasp the soil like a giant hand. The moisture of the caught soil is absorbed and stored by the tree root continuously. According to statistics, the water storage amount of a mu of forests is about 20 tons more than that of forests in forests-free areas. The tree planting forests control the sandy cultivated land, control water and soil loss, prevent wind and fix sand, increase the water storage capacity of soil, greatly improve the ecological environment, reduce the loss of flood disasters, and bring great direct economic benefit and indirect economic benefit along with the continuous mature period of economic forests, and can also provide a great deal of labor and employment opportunities, thereby promoting the sustainable development of local economy.

In order to ensure the quality of afforestation, the seedling required by seedling culture afforestation needs to be screened before seedling culture, so that tree seeds with good plumpness are selected for seedling culture, the follow-up survival rate and seedling culture quality of seedling culture are ensured, but the existing screening equipment is simple in structure and single in function, the bonded tree seeds cannot be scattered and screened, the screening effect of the tree seeds is reduced, and the tree seed plumpness identification equipment is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides equipment for identifying the plumpness of tree seeds.

In order to achieve the above purpose, the invention provides equipment for identifying the plumpness of tree seeds, which comprises a screening screen plate which is obliquely arranged, wherein a material receiving piece is arranged below the screening screen plate, an arc-shaped cover is fixedly arranged at the top of the screening screen plate, the lower end of the arc-shaped cover is arranged in an arc shape, the upper end of the arc-shaped cover is communicated with a storage hopper, and a material blocking piece is arranged at a discharging port of the storage hopper;

the novel material discharging device is characterized in that a material throwing dispersing piece is arranged inside the arc-shaped cover, the material throwing dispersing piece comprises an upper motor fixedly arranged on the side face of the lower end of the arc-shaped cover, a driving shaft of the upper motor extends to the inside of the arc-shaped cover and is sleeved with a shaft sleeve outside the arc-shaped cover, two bending pushing plates are arranged outside the shaft sleeve in a clockwise direction, an arc-shaped impact plate is arranged between the top of the arc-shaped cover and inner walls of two sides along a direction away from the bending pushing plate, the bottom of the arc-shaped impact plate is provided with a discharging plate towards the upward inclination of one end of the bending pushing plate, the discharging plate is provided with an arc-shaped collecting plate close to the lower Fang Shuzhi of one end of the bending pushing plate, and a rectangular through hole is formed between the lower end of the arc-shaped impact plate and the discharging plate.

In the above technical scheme, further, the receiving piece is including installing the blanking box in screening otter board below, blanking box bottom is slope form and the bottom is provided with the feed opening, the closing cap has been cup jointed to the feed opening port.

In the above technical scheme, further, the putty piece includes the T type shutoff board of vertical slip cartridge in storage hopper unloading port department, electric putter is vertically installed to T type shutoff board top intermediate position, electric putter cylinder body passes through fixed ear fixed mounting at the storage hopper outer wall.

In the above technical scheme, further, the U-shaped brackets are fixedly arranged between the two sides of the bottom of the storage hopper and the two sides of the top of the arc-shaped cover, and a plurality of connecting plates are horizontally connected between the two U-shaped brackets.

In the above technical scheme, further, automatic start-stop discharging piece is including setting up the bin outlet at arc cover lower extreme tip, the arc baffle is installed in the bin outlet top rotation, the drive shaft is kept away from and is gone up motor one end and extend to arc cover outside and tip installation have drive gear, drive gear is kept away from arc baffle one side and is meshed with driven gear, driven gear passes through the axle rotation and installs at the arc cover outer wall, driven gear circumference is the quadruple of drive gear circumference, just driven gear tip border department fixed welding has an upper mounting axle, arc baffle tip downside fixed welding has a lower mounting axle, the lower mounting axle outside rotates and installs the actuating lever, it installs the drive sleeve to go up the rotation of the installation axle outside, the actuating lever extends to the inside and tip fixedly connected with limiting disc of drive sleeve, the outside cover of actuating lever between limiting disc and the drive sleeve tip inner wall is equipped with the spring.

In the above technical scheme, further, the driven gear tip outside is provided with the closure mark district respectively and opens the mark district, open the fan-shaped arc in mark district and be the fan-shaped arc in closure mark district three times, just go up the installation axle and be located the fan-shaped arc in closure mark district centre department.

In the above technical scheme, further, the outside cover of arc cover lower extreme is equipped with the unloading cover, the arc baffle can be at the inside cavity rotary displacement of unloading cover, just the arc baffle tip is provided with the arc spout, the installation axle slip cartridge is inside the arc spout down the unloading cover lower part port department is provided with the material conveying piece.

In the above technical scheme, further, the material conveying piece includes mounting panel and the L template of fixed mounting in blanking box bottom outside of arc cover one side bottom, equal horizontal rotation installs the driving roller between mounting panel and the adjacent end of L template, two the driving roller outside is connected through the conveyer belt, blanking cover lower part port is located conveyer belt tip top, and one of them driving roller tip and fixed mounting are at the lower motor output shaft of mounting panel outer wall be provided with blowing mechanism above the conveyer belt.

In the above technical scheme, further, the mechanism of blowing includes the fan of fixed mounting in mounting panel top intermediate position, vertical conveyer pipe is installed in fan discharge intercommunication, horizontal gas-supply pipe of vertical conveyer pipe bottom intercommunication, horizontal gas-supply pipe is close to mounting panel one side equidistance intercommunication many gas-distribution pipes, and many the gas-distribution pipe runs through the mounting panel jointly and all installs the common air nozzle in tip, air nozzle direction slope orientation conveyer belt upper surface of blowing.

In the above technical scheme, further, the L-shaped plate outside is vertically installed and is gathered materials cover corresponding with the air nozzle position, gather materials cover top and blanking box bottom laminating.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the screening screen plate is arranged, so that the tree seeds can be screened, the tree seeds which are not full in particles and small in size are screened, the plumpness of the selected tree seeds is ensured, meanwhile, the motor is arranged, so that the driving shaft drives the bending pushing plate to rotate, the tree seeds at the bottom end inside the arc cover are pushed and shoveled, the tree seeds can be impacted to the inner wall of the arc impact plate under the action of the bending pushing plate, the adhered tree seeds are dispersed, and the tree seeds return to the position above the screening screen plate under the cooperation of the unloading plate and the rectangular through hole, so that repeated screening treatment is performed, and the tree seed screening effect is ensured;

the driving shaft drives the driving gear to drive the driven gear to rotate in the rotating process, when the corresponding position of the closed standard area of the driven gear is meshed with the driving gear, the arc baffle is pulled under the cooperation of the driving rod, the spring, the limiting disc and the driving sleeve, so that the arc baffle is always attached to the discharge hole, the tree seeds are prevented from leaking out inside the arc cover, when the corresponding position of the opened standard area of the driven gear is meshed with the driving gear, the driving rod, the spring, the limiting disc and the driving sleeve in the contracted state drive the arc baffle to rotate, so that the tree seeds are quickly discharged inside the arc cover, and as the circumference length of the driven gear is four times that of the driving gear and the circular arc line of the closed standard area is three times that of the opened standard area, the driving gear rotates three circles outside the driven gear at the corresponding position of the closed standard area, and accordingly the two groups of bending pushing plates inside the arc cover can scatter tree seeds six times, and the screening dispersibility of the tree seeds is effectively ensured;

through setting up the material conveying piece to can carry the forest seed that the plumpness of excreting is good, can blow the forest seed through setting up the mechanism of blowing simultaneously in carrying the in-process, with this empty shell forest seed that mixes its inside blow off, effectively ensure the quality that the forest seed was selected.

Drawings

Fig. 1 is a schematic structural diagram of a device for identifying plumpness of tree seeds according to the present invention;

fig. 2 is a schematic diagram of an axial measurement structure of a device for identifying the plumpness of tree seeds according to the present invention;

fig. 3 is a schematic diagram of a conveying member structure of a device for identifying the plumpness of tree seeds according to the present invention;

fig. 4 is a schematic diagram of a splitting structure of a conveying part of a device for identifying plumpness of tree seeds according to the present invention;

fig. 5 is a schematic diagram illustrating the partial structure splitting of a device for identifying the plumpness of tree seeds according to the present invention;

FIG. 6 is a schematic view of a portion of the structure of FIG. 5;

fig. 7 is a schematic diagram of an automatic opening and closing discharging piece structure of a device for identifying the plumpness of tree seeds;

fig. 8 is a schematic cross-sectional view of a portion of the structure of fig. 7.

In the figure: the automatic feeding device comprises a storage hopper 1, a U-shaped bracket 2, a connecting plate 3, a blanking box 4, a sealing cover 5, a conveying belt 6, a lower motor 7, a mounting plate 8, a transverse air conveying pipe 9, a longitudinal conveying pipe 10, a fan 11, an upper motor 12, an arc cover 13, a fixed lug 14, an electric push rod 15, a T-shaped plugging plate 16, a collecting cover 17, a closing standard area 18, an opening standard area 19, a driven gear 20, a driving gear 21, a blanking cover 22, an arc chute 23, an upper mounting shaft 24, an air distribution pipe 25, an L-shaped plate 26, a driving roller 27, an air nozzle 28, a driving rod 29, a spring 30, a limiting disc 31, a driving sleeve 32, an arc striking plate 33, a shaft sleeve 34, a bending pushing plate 35, an arc baffle 36, an arc collecting plate 37, a discharging plate 38, a screening screen 39, a rectangular through opening 40, a blanking opening 41, a lower mounting shaft 42, a discharging opening 43 and a driving shaft 44.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

1-8, a forest seed plumpness recognition device comprises a screening screen 39 which is obliquely arranged, a receiving piece is arranged below the screening screen 39, the receiving piece comprises a blanking box 4 which is arranged below the screening screen 39, the bottom of the blanking box 4 is oblique, the bottom end of the blanking box is provided with a blanking opening 41, a port of the blanking opening 41 is sleeved with a sealing cover 5, an arc cover 13 is fixedly arranged at the top of the screening screen 39, the lower end of the arc cover 13 is arranged in an arc shape, the upper end of the arc cover 13 is communicated with a storage hopper 1, a blanking port of the storage hopper 1 is provided with a blocking piece, the blocking piece comprises a T-shaped blocking plate 16 which is vertically and slidably inserted at the blanking port of the storage hopper 1, an electric push rod 15 is vertically arranged at the middle position of the top of the T-shaped blocking plate 16, and an electric push rod 15 cylinder body is fixedly arranged on the outer wall of the storage hopper 1 through a fixed lug 14; through setting up storage hopper 1 to can store the forest seed, can drive T type shutoff board 1 simultaneously under the order of electric putter 15 and remove, with this in order discharging the inside forest seed of storage hopper 1 to screening mesh plate 39 on screening, and the blanking box 4 of setting can accept the forest seed that sieves down.

U-shaped brackets 2 are fixedly arranged between the two sides of the bottom of the storage hopper 1 and the two sides of the top of the arc-shaped cover 13, and a plurality of connecting plates 3 are horizontally connected between the two U-shaped brackets 2; the equipment can be stably supported by the U-shaped bracket 2, and a plurality of connecting plates 3 are arranged at the same time; the connection tightness between the two U-shaped brackets 2 can be enhanced.

The inside of the arc cover 13 is provided with a material throwing dispersing piece, the material throwing dispersing piece comprises an upper motor 12 fixedly installed on the side surface of the lower end of the arc cover 13, a driving shaft 44 of the upper motor 12 extends to the inside of the arc cover 13, a shaft sleeve 34 is sleeved outside the upper motor, two bending pushing plates 35 are installed outside the shaft sleeve 34 in the clockwise direction, an arc striking plate 33 is installed between the top of the arc cover 13 and the inner walls of the two sides along the end far away from the bending pushing plates 35 in a downward inclined manner, the arc striking plate 33, a discharging plate 38 is installed at the bottom of the arc striking plate 33 in an upward inclined manner towards one end of the bending pushing plates 35, an arc gathering plate 37 is installed at the lower Fang Shuzhi of the end, close to the bending pushing plates 35, of tree seeds can be gathered, the pushing amount of the bending pushing plates 35 is increased, a rectangular opening and closing opening 40 is formed between the lower end of the arc striking plate 33 and the discharging plate 38, and an automatic discharging piece is arranged below the end of the arc cover 13; through setting up motor 12 to drive shaft 44 can drive to bend and push away flitch 35 rotatory, with this wood seed promotion of the inside bottom of arc cover 13 shoveled, and wood seed can strike the inner wall of board 33 to arc striking under the effect of pushing away flitch 35 bending, thereby will bond the wood seed and disperse, get back to screening otter board 39 top again under the cooperation of stripper 38 and rectangle opening 40, with this repeated screening processing, ensure wood seed screening effect.

The automatic opening and closing discharging piece comprises a discharging hole 43 arranged at the lower end of the arc cover 13, an arc baffle 36 is rotatably arranged above the discharging hole 43, a driving shaft 44 extends to the outside of the arc cover 13 far away from one end of the upper motor 12, a driving gear 21 is arranged at the end of the driving shaft, a driven gear 20 is meshed with one side of the driving gear 21 far away from the arc baffle 36, the driven gear 20 is rotatably arranged on the outer wall of the arc cover 13 through a shaft, the circumference of the driven gear 20 is four times of the circumference of the driving gear 21, an upper mounting shaft 24 is fixedly welded at the edge of the end of the driven gear 20, a lower mounting shaft 42 is fixedly welded at the lower side of the end of the arc baffle 36, a driving rod 29 is rotatably arranged at the outer side of the lower mounting shaft 42, a driving sleeve 32 is rotatably arranged at the outer side of the upper mounting shaft 24, the driving rod 29 extends to the inside of the driving sleeve 32 and is fixedly connected with a limiting disc 31, a spring 30 is sleeved at the outer side of the driving rod 29 between the limiting disc 31 and the inner wall of the end of the driving sleeve 32, a closing standard region 18 and an opening standard region 19 are respectively arranged at the outer side of the end of the driven gear 20, the opening standard region 19 is three times the arc-shaped like a sector-shaped of the closing standard region 18, and the upper mounting shaft 24 is located at the middle sector-shaped 18.

The driving shaft 44 drives the driving gear 21 to drive the driven gear 20 to rotate in the rotating process, when the corresponding position of the closed target area 18 of the driven gear 20 is meshed with the driving gear 21, the arc baffle 36 can be pulled under the cooperation of the driving rod 29, the limiting disc 31 and the driving sleeve 32 in the stretching state, the spring 30 is in the compression state, the arc baffle 36 is always attached to the discharge hole 43, the tree seeds in the arc cover 13 are prevented from leaking, when the corresponding position of the opened target area 19 of the driven gear 20 is meshed with the driving gear 21, the driving rod 29, the limiting disc 31 and the driving sleeve 32 in the contraction state can drive the arc baffle 36 to rotate, and at the moment, the spring 30 is in the original state, so that the tree seeds in the arc cover 13 are rapidly discharged, as the circumference of the driven gear 20 is four times as long as the driving gear 21, and the arc line of the closed target area 18 is three times as long as the opening target area 19, the driving gear 21 rotates three circles outside the driven gear 20 at the corresponding position of the closed target area 18, the positions of the opened target area 19 are avoided, the tree seeds in the arc cover 13 can be scattered, six times of tree seed scattering can be effectively ensured, and tree seed scattering performance is ensured.

The blanking cover 22 is sleeved outside the lower end of the arc cover 13, the arc baffle 36 can rotate and displace in the cavity inside the blanking cover 22, the arc chute 23 is arranged at the end part of the arc baffle 36, the lower mounting shaft 42 is inserted inside the arc chute 23 in a sliding mode, a material conveying part is arranged at the position of the lower end opening of the blanking cover 22, the arranged blanking cover 22 can orderly drain the drained tree seeds, the phenomenon of splashing is avoided, the arranged arc chute 23 can displace the lower mounting shaft 42 conveniently, the material conveying part comprises a mounting plate 8 fixedly arranged at one side bottom of the arc cover 13 and an L-shaped plate 26 fixedly arranged outside the bottom of the blanking box 4, driving rollers 27 are horizontally arranged between adjacent ends of the mounting plate 8 and the L-shaped plate 26, the outer sides of the two driving rollers 27 are connected through a conveying belt 6, the lower end opening of the blanking cover 22 is arranged above the end part of the conveying belt 6, a blowing mechanism is arranged above the conveying belt 6, and the lower motor 7 is started through the arrangement, and accordingly the conveying belt 27 can drive the conveying belt 6 to rotate, and the conveying belt 6 can orderly drain the tree seeds.

The blowing mechanism comprises a blower 11 fixedly arranged at the middle position of the top of the mounting plate 8, a longitudinal conveying pipe 10 is arranged in discharge communication with the blower 11, the bottom of the longitudinal conveying pipe 10 is communicated with a transverse air conveying pipe 9, one side of the transverse air conveying pipe 9 close to the mounting plate 8 is equidistantly communicated with a plurality of air distribution pipes 25, the air distribution pipes 25 jointly penetrate through the mounting plate 8, the end parts of the air distribution pipes are provided with a common air nozzle 28, the blowing direction of the air nozzle 28 is inclined towards the upper surface of the conveying belt 6, an aggregate cover 17 corresponding to the position of the air nozzle 28 is vertically arranged on the outer side of the L-shaped plate 26, and the top of the aggregate cover 17 is attached to the bottom of the blanking box 4; through start fan 11 to carry outside air to the inside of many gas-distributing pipes 25 through vertical conveyer pipe 10 and horizontal gas-conveying pipe 9 fast, then spout through air nozzle 28, blow off the empty shell that mixes in the forest seed in this conveying process, and the collection cover 17 that sets up can carry out unified interception collection to the empty shell that blows off.

Working principle: firstly, the tree seeds are poured into the storage hopper 1, then a blocking piece is opened to discharge a certain amount of tree seeds in the storage hopper 1 to the screening screen 39 for screening treatment, then the blocking piece is closed, then the motor 12 is started, the driving shaft 44 drives the bending pushing plate 35 to rotate, so that the tree seeds at the bottom end in the arc cover 13 are pushed and shoveled, the tree seeds are impacted to the inner wall of the arc impact plate 33 under the action of the bending pushing plate 35, the adhered tree seeds are dispersed, the tree seeds return to the upper part of the screening screen 39 again under the cooperation of the discharging plate 38 and the rectangular through hole 40, the repeated screening treatment is carried out, the screening effect of the tree seeds is ensured, the screened tree seeds are received by the receiving piece, the driving shaft 44 drives the driving gear 21 to drive the driven gear 20 to rotate in the rotating process, when the corresponding position of the closed standard region 18 of the driven gear 20 is meshed with the driving gear 21, at the moment, under the cooperation of the driving rod 29, the spring 30, the limiting disc 31 and the driving sleeve 32, the arc baffle 36 is pulled, so that the arc baffle 36 is always attached to the discharge port 43, the tree seeds in the arc cover 13 are prevented from leaking out, when the corresponding position of the open standard region 19 of the driven gear 20 is meshed with the driving gear 21, the driving rod 29, the spring 30, the limiting disc 31 and the driving sleeve 32 in the contracted state drive the arc baffle 36 to rotate, so that the tree seeds in the arc cover 13 are quickly discharged, as the circumference of the driven gear 20 is four times longer than that of the driving gear 21, and the arc line of the closed standard region 18 is three times longer than that of the open standard region 19, so that the driving gear 21 rotates three circles outside the driven gear 20 at the corresponding position of the closed standard region 18 to reach the position of the open standard region 19, the tree seeds can be thrown six times by the two groups of bending pushing plates 35 inside the arc-shaped cover 13, screening dispersibility of the tree seeds is effectively ensured, the above operation is repeated, then the discharged tree seeds can fall to a conveying part through the blanking cover 22 for transportation, and meanwhile, the tree seeds can be blown through the arranged blowing mechanism in the transportation process, so that the empty shell tree seeds mixed inside the tree seeds are blown away, and the quality of tree seed selection is effectively ensured.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a discernment tree seed plumpness equipment, includes screening otter board (39) of slope setting, screening otter board (39) below is provided with the material spare, its characterized in that, screening otter board (39) top fixed mounting has arc cover (13), the lower extreme of arc cover (13) is the circular arc setting, just storage hopper (1) are installed in arc cover (13) upper end intercommunication, storage hopper (1) unloading port is provided with the putty spare;

the automatic material discharging device is characterized in that a material throwing dispersing piece is arranged inside the arc cover (13), the material throwing dispersing piece comprises an upper motor (12) fixedly arranged on the side face of the lower end of the arc cover (13), a driving shaft (44) of the upper motor (12) extends to the inside of the arc cover (13) and is sleeved with a shaft sleeve (34) outside the arc cover, two bending pushing plates (35) are arranged outside the shaft sleeve (34) in the clockwise direction, an arc striking plate (33) is arranged between the top of the arc cover (13) and the inner walls of the two sides in a downward inclination manner along the end far away from the bending pushing plates (35), the arc striking plate (33) is arranged, a discharging plate (38) is arranged at the bottom of the arc striking plate (33) in an upward inclination manner towards one end of the bending pushing plates (35), an arc charging plate (37) is vertically arranged below one end of the discharging plate (38), a rectangular through hole (40) is formed between the lower end of the arc striking plate (33) and the discharging plate (38), and an automatic material discharging piece is arranged below the end of the arc cover (13);

the automatic opening and closing discharging piece comprises a discharging hole (43) arranged at the lower end of the arc-shaped cover (13), an arc-shaped baffle (36) is rotatably arranged above the discharging hole (43), one end of a driving shaft (44) far away from an upper motor (12) extends to the outside of the arc-shaped cover (13), a driving gear (21) is arranged at the end part of the driving shaft, one side of the driving gear (21) far away from the arc-shaped baffle (36) is meshed with a driven gear (20), the driven gear (20) is rotatably arranged on the outer wall of the arc-shaped cover (13) through a shaft, the circumference of the driven gear (20) is four times that of the driving gear (21), an upper mounting shaft (24) is fixedly welded at the edge of the end part of the driven gear (20), a lower mounting shaft (42) is fixedly welded at the lower side of the end part of the arc-shaped baffle (36), a driving rod (29) is rotatably arranged at the outer side of the lower mounting shaft (42), a driving sleeve (32) is rotatably arranged at the outer side of the upper mounting shaft (24), the driving rod (29) extends to the inside of the driving sleeve (32) and is fixedly connected with a limit disc (31) at the end part, and a limit disc (30) is sleeved at the outer side of the driving sleeve (31);

the material receiving piece comprises a blanking box (4) arranged below a screening screen plate (39), the bottom of the blanking box (4) is inclined, a blanking opening (41) is formed in the bottom end of the blanking box, and a sealing cover (5) is sleeved at a port of the blanking opening (41).

2. The equipment for identifying the plumpness of the tree seeds according to claim 1, wherein the blocking piece comprises a T-shaped blocking plate (16) which is vertically and slidably inserted at a discharging port of the storage hopper (1), an electric push rod (15) is vertically arranged at the middle position of the top of the T-shaped blocking plate (16), and a cylinder body of the electric push rod (15) is fixedly arranged on the outer wall of the storage hopper (1) through a fixing lug (14).

3. The equipment for identifying the plumpness of the tree seeds according to claim 1, wherein a U-shaped bracket (2) is fixedly arranged between two sides of the bottom of the storage hopper (1) and two sides of the top of the arc-shaped cover (13), and a plurality of connecting plates (3) are horizontally connected between the two U-shaped brackets (2).

4. The equipment for identifying the plumpness of the tree seeds according to claim 1, wherein a closed standard area (18) and an open standard area (19) are respectively arranged on the outer side of the end part of the driven gear (20), the fan-shaped arc of the open standard area (19) is three times that of the closed standard area (18), and the upper mounting shaft (24) is positioned in the middle of the fan-shaped arc of the closed standard area (18).

5. The equipment for identifying the plumpness of the tree seeds according to claim 1, wherein a blanking cover (22) is sleeved outside the lower end of the arc cover (13), the arc baffle (36) can rotate and displace in a cavity inside the blanking cover (22), an arc chute (23) is arranged at the end part of the arc baffle (36), the lower mounting shaft (42) is slidably inserted inside the arc chute (23), and a material conveying piece is arranged at a lower port of the blanking cover (22).

6. The equipment for identifying the plumpness of the tree seeds according to claim 5, wherein the material conveying piece comprises a mounting plate (8) fixedly mounted at the bottom of one side of an arc-shaped cover (13) and an L-shaped plate (26) fixedly mounted at the outer side of the bottom of a blanking box (4), driving rollers (27) are horizontally and rotatably mounted between the adjacent ends of the mounting plate (8) and the L-shaped plate (26), the outer sides of the two driving rollers (27) are connected through a conveying belt (6), a lower port of the blanking cover (22) is positioned above the end part of the conveying belt (6), and one end part of the driving rollers (27) is connected with an output shaft of a lower motor (7) fixedly mounted on the outer wall of the mounting plate (8), and a blowing mechanism is arranged above the conveying belt (6).

7. The equipment for identifying the plumpness of the tree seeds according to claim 6, wherein the blowing mechanism comprises a fan (11) fixedly installed at the middle position of the top of the mounting plate (8), a longitudinal conveying pipe (10) is installed in exhaust communication of the fan (11), the bottom of the longitudinal conveying pipe (10) is communicated with a transverse air conveying pipe (9), a plurality of air distribution pipes (25) are equidistantly communicated on one side, close to the mounting plate (8), of the transverse air conveying pipe (9), the plurality of air distribution pipes (25) jointly penetrate through the mounting plate (8) and the end parts of the air distribution pipes are all provided with a common air nozzle (28), and the air blowing direction of the air nozzle (28) is inclined towards the upper surface of the conveying belt (6).

8. The equipment for identifying the plumpness of the tree seeds according to claim 7, wherein an aggregate cover (17) corresponding to the position of the air nozzle (28) is vertically arranged on the outer side of the L-shaped plate (26), and the top of the aggregate cover (17) is attached to the bottom of the blanking box (4).