CN209897605U - Seedling tray conveying and separating mechanism for seedling throwing machine - Google Patents
Seedling tray conveying and separating mechanism for seedling throwing machine Download PDFInfo
- Publication number
- CN209897605U CN209897605U CN201920270248.8U CN201920270248U CN209897605U CN 209897605 U CN209897605 U CN 209897605U CN 201920270248 U CN201920270248 U CN 201920270248U CN 209897605 U CN209897605 U CN 209897605U
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- China
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- seedling
- roller
- separating mechanism
- compression roller
- seedling tray
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Abstract
A seedling tray conveying and separating mechanism for a seedling throwing machine belongs to the technical field of agricultural machinery and solves the problems of the seedling tray separating mechanism; the utility model is used for the seedling throwing machine.
Description
Technical Field
The utility model belongs to the technical field of agricultural machine, in particular to a seedling dish conveying and separating mechanism for a seedling throwing machine.
Background
At present, rice seedling throwing is widely popularized, and the production efficiency of large-area rice planting is obviously improved; the seedling throwing machine is characterized in that a seedling tray with seedlings is conveyed to a separating mechanism through a conveying belt to separate the seedlings from the seedling tray, and the separated seedlings can be sowed by the seedling throwing mechanism, so that the separating mechanism is one of key factors determining the seedling throwing effect; the existing separating mechanism firstly leads a seedling tray horizontally conveyed by a conveying belt to turn downwards through an arc-shaped guider, and then utilizes a seedling clamping device to clamp seedlings transferred to a vertical part from the seedling tray, so that the separating effect is not ideal, partial seedlings can not be separated from the seedling tray, the seedlings are easy to be damaged, the seedling waste rate is high, the seedling throwing and throwing rate is high, and the workload of supplementing seedlings and clearing the empty seedling tray is large.
Disclosure of Invention
The utility model aims at solving the problem of the separating mechanism of the seedling tray, providing a seedling tray conveying and separating mechanism for a seedling throwing machine, which has the following technical proposal:
a seedling tray conveying and separating mechanism for a seedling throwing machine comprises a conveying belt and a guide plate which are arranged on a rack, wherein a compression roller is arranged between a vertical section of the guide plate and the conveying belt, and the compression roller is matched with the vertical section of the guide plate to push out seedlings transferred to the vertical part from the seedling tray.
The utility model has the advantages that: utilize compression roller extrusion seedling dish bottom to release the seedling, not only separate effectually, whole seedlings can both break away from with the seedling dish, do not touch the seedling moreover, avoid the seedling extravagant and damage to improve subsequent throwing seedling efficiency, reduce the rate of missing throwing, reduce the work load of filling seedlings and clearing up empty seedling dish.
Description of the drawings:
FIG. 1 is a schematic view of the structure of a seedling tray;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a plan view of the present invention;
FIG. 4 is a schematic diagram of a fourth embodiment;
FIG. 5 is a schematic view of the use state of FIG. 4;
FIG. 6 is a schematic diagram of a fifth embodiment;
figure 7 is an enlarged schematic view of a portion of the push plate.
The specific implementation mode is as follows:
referring to fig. 1 to 7, a seedling tray conveying and separating mechanism for a seedling throwing machine comprises a conveying belt 1 and a guide plate 2 which are arranged on a rack, wherein a press roller 3 is arranged between the vertical section of the guide plate 2 and the conveying belt 1, and the press roller 3 is matched with the vertical section of the guide plate 2 to push out seedlings from a seedling tray 5 to the vertical section.
In the first specific embodiment, the existing guide plate 2 is lengthened, and the distance between the vertical section of the guide plate 2 and the conveying belt 1 is increased, so that the press roller 3 can be arranged between the vertical section of the guide plate 2 and the conveying belt 1; the compression roller 3 is rotationally connected to the frame, one end of the compression roller 3 is connected with the driving roller of the conveyer belt 1 through a transmission mechanism such as a transmission belt, a transmission chain, a transmission gear and the like, so that the rotation of the compression roller 3 can be realized, the surface linear velocity of the compression roller 3 is equal to that of the conveyer belt 1, and the stable operation of the seedling tray 5 is ensured; since the diameter of the press roller 3 is unequal to the diameter of the driving roller, the surface linear velocity can be equal by changing the gear ratio of the transmission mechanism, which is easy to realize in the prior art.
In the second concrete implementation mode, the minimum distance between the press roller 3 and the vertical section of the guide plate 2 is less than or equal to half of the height of the seedling tray 5, so that the seedling tray 5 can be effectively separated; the height of the existing seedling tray 5 is about twenty millimeters, and the minimum distance is less than or equal to ten millimeters; the number of the guide plates 2 is increased, so that the arrangement density of the guide plates 2 is increased, the guide plates can be well matched with the press roller 3, and the number of the guide plates 2 is eight according to the size of the seedling tray 5 which is commonly used at present.
In the third embodiment, referring to fig. 2 and 3, in order to increase the surface friction of the conveyor belt 1 and thus increase the thrust force on the seedling trays 5, the surface of the conveyor belt 1 should be a rough surface; furthermore, the surface of the conveyer belt 1 is provided with grooves corresponding to the contact surface of the load-bearing object, which is the bottom surface of the seedling tray 5, and the honeycomb-type seedling tray 5 is commonly used at present, so the grooves arranged in a honeycomb manner are arranged on the surface of the conveyer belt 1.
In a fourth embodiment, referring to fig. 4 and 5, the protrusions arranged in a honeycomb manner are arranged on the surface of the press roller 3, and the protrusions on the surface of the press roller 3 are arranged corresponding to the protrusions on the bottom surface of the seedling tray 5, so that one-to-one pushing-out can be realized, that is, each protrusion on the surface of the press roller 3 pushes out one seedling.
In the fifth embodiment, referring to fig. 6 and 7, the compression roller 3 is of a hollow structure, two ends of the compression roller 3 are rotatably connected with the roller shaft 4, the roller shaft 4 is fixedly connected with the frame, the surface of the compression roller 3 is provided with grooves arranged in a honeycomb manner, the grooves are the same as the surface of the conveyer belt 1, the grooves on the surface of the compression roller 3 are correspondingly arranged with the protrusions on the bottom surface of the seedling tray 5, the bottom of each groove on the surface of the compression roller 3 is provided with a push plate 3-1, the push plate 3-1 is fixedly connected with one end of a sliding rod 3-2, the bottom of each groove on the surface of the compression roller 3 is provided with a through hole, the other end of the sliding rod 3-2 is inserted into the compression roller 3 through the through hole and is connected with the bottom of the groove in a sliding manner, the interior of the compression roller 3 is provided with a, driving a push plate 3-1 to push out the seedlings; the slide bar is also provided with a return spring 3-4.
Claims (5)
1. A seedling tray conveying and separating mechanism for a seedling throwing machine comprises a conveying belt (1) and a guide plate (2) which are arranged on a rack, and is characterized in that a press roller (3) is arranged between the vertical section of the guide plate (2) and the conveying belt (1); the press roller (3) is rotationally connected to the rack, and one end of the press roller (3) is connected with the driving roller of the conveying belt (1) through a transmission mechanism; the surface linear velocity of the compression roller (3) is equal to the surface linear velocity of the conveying belt (1).
2. The seedling tray conveying and separating mechanism for the seedling thrower as claimed in claim 1, characterized in that the minimum distance between the press roller (3) and the vertical section of the guide plate (2) is less than or equal to ten millimeters; the number of the guide plates (2) is eight.
3. The seedling tray conveying and separating mechanism for the seedling throwing machine according to claim 1, characterized in that the surface of the conveying belt (1) is provided with grooves arranged in a honeycomb manner.
4. The seedling tray conveying and separating mechanism for the seedling throwing machine according to claim 1, characterized in that the surface of the press roll (3) is provided with the projections arranged in a honeycomb manner.
5. The seedling tray conveying and separating mechanism for the seedling throwing machine according to claim 1, characterized in that the compression roller (3) adopts a hollow structure, two ends of the compression roller (3) are rotatably connected with the roller shaft (4), the roller shaft (4) is fixedly connected with the frame, the surface of the compression roller (3) is provided with grooves arranged in a honeycomb manner, the bottom of each groove on the surface of the compression roller (3) is provided with a push plate (3-1), the push plate (3-1) is fixedly connected with one end of a sliding rod (3-2), a through hole is arranged at the bottom of each groove on the surface of the compression roller (3), the other end of the sliding rod (3-2) is inserted into the compression roller (3) through the through hole and is connected with the bottom of the groove in a sliding connection manner, a cam (3-3) protruding towards the vertical section of the guide plate (2) is arranged in the compression roller (3), and the cam is fixedly connected with the roller shaft (4); the slide bar is also provided with a return spring (3-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270248.8U CN209897605U (en) | 2019-03-04 | 2019-03-04 | Seedling tray conveying and separating mechanism for seedling throwing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270248.8U CN209897605U (en) | 2019-03-04 | 2019-03-04 | Seedling tray conveying and separating mechanism for seedling throwing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209897605U true CN209897605U (en) | 2020-01-07 |
Family
ID=69031264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270248.8U Expired - Fee Related CN209897605U (en) | 2019-03-04 | 2019-03-04 | Seedling tray conveying and separating mechanism for seedling throwing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209897605U (en) |
-
2019
- 2019-03-04 CN CN201920270248.8U patent/CN209897605U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210304 |