Seedling taking device for automatic seedling raising

Abstract

The seedling taking device comprises a negative pressure box body, a connecting structure is arranged on the outer wall of the negative pressure box body, a plurality of seedling taking barrels are installed on one side of the negative pressure box body, inner holes of the seedling taking barrels are communicated with the interior of the negative pressure box body, a negative pressure pipe opening is further formed in the negative pressure box body, and baffle rings are installed in the seedling taking barrels. According to the seedling taking device, the baffle ring is arranged in the seedling taking cylinder, so that seedlings can be limited, and the seedlings and a substrate are prevented from easily sliding into the negative pressure adsorption box.

Description

TECHNICAL FIELD

[0001] The utility model relates to modern agricultural seedling technology field especially, a kind of seedling taking device for automation seedling. BACKGROUND

[0002] Modern agricultural seedling is generally carried out by using seedling plug to grow seedlings, and when planting, seedlings in the seedling plug need to be taken out. Because the planting area is large, the number of seedling plugs used is large, and when the seedlings are taken out, automatic equipment is used to take seedlings.

[0003] For example, Chinese patent document CN215957124U, published (announced) on March 8, 2022, discloses a seedling plug seedling taking device, which comprises a roller conveying device for conveying the plug. A plurality of liftable seedling taking cylinders are arranged above the roller conveying device. The top of the seedling taking cylinder is in communication with a negative pressure suction box. The negative pressure suction box is connected with a gas suction pump and an air compressor through a gas delivery hose. The top of the negative pressure suction box is connected with the bottom of a vertical telescopic device. The top of the vertical telescopic device is connected with the bottom of a horizontal moving plate. The side of the horizontal moving plate is connected with a horizontal telescopic device. A collecting groove is arranged below the side of the roller conveying device. The device has the following characteristics: through the negative pressure suction effect of the seedling taking cylinder, the seedling taking process can be carried out on the plug. The seedlings are not easily damaged during the seedling taking process, and the substrate soil is not easily dropped. Through the air compression system, the seedling taking cylinder can be quickly discharged, and the whole seedling taking and discharging process is efficient, which is conducive to application and promotion. However, the device has the following disadvantages: during actual use, because there is no limiting device inside the seedling taking cylinder, and the negative pressure in the negative pressure suction box is not easy to control accurately, the seedlings and the substrate are easily slipped into the negative pressure suction box, resulting in loss of seedlings. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a seedling taking device for automation seedling, which can limit the seedlings by installing a retaining ring inside the seedling taking cylinder, so as to prevent the seedlings and the substrate from easily slipping into the negative pressure suction box.

[0005] To achieve the above-mentioned purpose, the utility model provides a seedling taking device for automation seedling, which comprises a negative pressure box. A connecting structure is arranged on the outer wall of the negative pressure box. A plurality of seedling taking cylinders are installed on one side of the negative pressure box. The inner hole of the seedling taking cylinder is in communication with the inside of the negative pressure box. A negative pressure pipe opening is further arranged on the negative pressure box. A retaining ring is installed inside the seedling taking cylinder.

[0006] The retaining ring is fixedly installed inside the seedling taking cylinder.

[0007] The inner wall of the seedling taking cylinder is provided with a sliding cavity at the end away from the negative pressure box. The diameter of the sliding cavity is greater than the inner diameter of the seedling taking cylinder. A limiting structure is arranged on the inner wall of the sliding cavity at the end away from the negative pressure box. The retaining ring is slidably installed in the sliding cavity.

[0008] The limiting structure comprises a ring groove and an elastic ring, the ring groove is arranged on the inner wall of the sliding cavity away from the negative pressure box, and the elastic ring is elastically supported and installed in the ring groove.

[0009] The seedling taking cylinder is provided with an insertion sharp part away from the negative pressure box.

[0010] The end, connected with the negative pressure box, of the seedling taking cylinder is provided with an external thread end, a nut ring is fixedly connected to the outer wall of the negative pressure box at the position corresponding to the communication hole, and the external thread end is rotationally connected with the nut ring.

[0011] The inner wall of the blocking ring is a conical structure with a large lower end and a small upper end.

[0012] The negative pressure box is further provided with a gas supply pipe.

[0013] The connecting structure comprises a support and a flange plate, and the flange plate is connected and fixed with the negative pressure box through the support.

[0014] Compared with the prior art, the utility model has the following technical effects:

[0015] 1、 the utility model discloses a blocking ring is installed in the seedling taking cylinder, thereby can be positioned to seedling, prevent seedling together with the substrate easy slip into the negative pressure adsorption box.

[0016] 2、 the inner wall of the seedling taking cylinder is provided with a sliding cavity away from the negative pressure box, the diameter of the sliding cavity is greater than the inner diameter of the seedling taking cylinder, the inner wall of the sliding cavity is provided with a limiting structure away from the negative pressure box, and the blocking ring is slidably installed in the sliding cavity. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment or the prior art of the present application, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.

[0018] Figure 1 It is a front view structural schematic diagram of the utility model.

[0019] Figure 2 It is Figure 1 It is an enlarged structural schematic diagram of A in the middle.

[0020] Figure 3 It is a bottom view structural schematic diagram of the utility model.

[0021] Figure 4 It is a cross-sectional structural schematic diagram of the seedling taking cylinder of the utility model.

[0022] Figure 5 It is an explosion view of the seedling taking cylinder of the utility model.

[0023] Reference signs:

[0024] Negative pressure box 10, negative pressure pipe 11, gas supply pipe 12, communication hole 13, nut ring 14;

[0025] Connecting structure 20, support 21, flange plate 22;

[0026] Seedling taking cylinder 30, external thread end 31, sliding cavity 32, ring groove 33, insertion sharp part 35;

[0027] Retaining ring 40, conical structure 41;

[0028] Elastic ring 50. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0030] Embodiment 1:

[0031] Please see Figures 1-5 A seedling taking device for automated seedling raising, comprising a negative pressure box 10, the outer wall of the negative pressure box 10 is provided with a connecting structure 20, a plurality of seedling taking cylinders 30 are installed on one side of the negative pressure box 10, the inner hole of the seedling taking cylinder 30 is in communication with the inside of the negative pressure box 10, a negative pressure pipe 11 is further provided on the negative pressure box 10, and a retaining ring 40 is installed inside the seedling taking cylinder 30. By installing the retaining ring 40 inside the seedling taking cylinder 30, the seedlings can be limited, and the seedlings and the substrate are prevented from easily sliding into the negative pressure suction box.

[0032] In this embodiment, when the retaining ring 40 is fixedly installed in the seedling taking cylinder 30, see Figure 4 , the retaining ring 40 is away from the lower end of the seedling taking cylinder 30 by a distance, and this distance is used to accommodate the substrate of the seedlings.

[0033] In order to facilitate the insertion of the seedling taking cylinder 30 into the plug, see Figure 4 , the seedling taking cylinder 30 away from the negative pressure box 10 is provided with an insertion sharp part 34.

[0034] See Figure 1 , 2 The end of the seedling taking cylinder 30 connected with the negative pressure box 10 is provided with an external thread end 31, the outer wall of the negative pressure box 10 is fixedly connected with a nut ring 14 at the position corresponding to the communication hole 13, and the external thread end 31 is rotationally connected and fixed with the nut ring 14. Through the above structure, the seedling taking cylinder 30 and the negative pressure box 10 are conveniently connected and fixed.

[0035] Embodiment 2:

[0036] Different from embodiment 1, referring to Figure 4 、 5 , the inner wall of the seedling taking cylinder 30 is provided with a sliding cavity 32 at the end far away from the negative pressure box body 10, the diameter of the sliding cavity 32 is greater than the inner diameter of the seedling taking cylinder 30, the inner wall of the sliding cavity 32 is provided with a limiting structure at the end far away from the negative pressure box body 10, and the blocking ring 40 is slidably installed in the sliding cavity 32. Figure 1 When in use, the state of the seedling taking device is as shown in

[0037] Specifically, referring to Figure 4 、 5 , the limiting structure includes a ring groove 33 and an elastic ring 50, the ring groove 33 is arranged on the inner wall of the sliding cavity 32 at the end far away from the negative pressure box body 10, and the elastic ring 50 is elastically supported and installed in the ring groove 33.

[0038] Embodiment 3:

[0039] On the basis of embodiment 1 or embodiment 2, referring to Figure 4 , the inner wall of the blocking ring 40 is a conical structure 41 with a large lower end and a small upper end, so that the seedlings can pass through the blocking ring 40.

[0040] Embodiment 4:

[0041] In order to facilitate the seedlings in the seedling taking cylinder 30 to be taken out, the negative pressure box body 10 is further provided with a gas supply pipe 12. When the seedlings need to be taken out, pressure air is introduced into the gas supply pipe 12, so that the seedlings in the seedling taking cylinder 30 fall out.

[0042] Embodiment 5:

[0043] In this embodiment, referring to Figure 1 , the connecting structure 20 includes a support 21 and a flange plate 22, and the flange plate 22 is connected and fixed with the negative pressure box body 10 through the support 21. Through the flange plate 22, the seedling taking device can be bolted with the free end of the robot.

[0044] Of course, the connecting structure 20 can also adopt the lifting structure in CN215957124U, and the connecting structure 20 is slidably and liftably connected with the support plate.

[0045] The working principle or action process of the utility model is as follows:

[0046] In use, the negative pressure pipe 11 is connected to a vacuum pump through a steel wire hose, the air supply pipe 12 is connected to an air compressor through a hose, and the flange plate 22 is bolted to the free end of the robot. After the robot moves the seedling taking device to the top of the seedling tray, the seedling taking device moves downward, and the seedling taking cylinder 30 is inserted into the corresponding hole groove of the seedling tray. In this process, the seedling first passes through the blocking ring 40, and as the seedling taking cylinder 30 further moves downward, the substrate pushes the blocking ring 40 to move upward until the substrate is completely in the seedling taking cylinder 30. Then, the vacuum pump is started, a negative pressure is generated in the negative pressure box 10, the seedling is sucked together with the substrate, the blocking ring 40 blocks the substrate to limit the position of the substrate, and the robot transfers the seedling taking device to the designated position. Then, the vacuum pump stops working, the air compressor is started, the pressure in the negative pressure box 10 increases, the seedling is separated from the substrate in the seedling taking cylinder 30, and the operation is repeated.

Claims

1. A seedling taking device for automated seedling raising, comprising a negative pressure box (10), an outer wall of the negative pressure box (10) is provided with a connecting structure (20), a plurality of seedling taking cylinders (30) are installed on one side of the negative pressure box (10), an inner hole of the seedling taking cylinder (30) is in communication with the inside of the negative pressure box (10), and a negative pressure pipe opening (11) is further arranged on the negative pressure box (10), characterized in that: The inside of the seedling taking cylinder (30) is provided with a blocking ring (40). ​ 2. The seedling picking device for automated seedling raising according to claim 1, characterized in that: The blocking ring (40) is fixedly installed in the seedling taking cylinder (30).

3. The seedling picking device for automated seedling raising according to claim 1, characterized in that: The inner wall of the seedling taking cylinder (30) is provided with a sliding cavity (32) at the end away from the negative pressure box body (10), the diameter of the sliding cavity (32) is larger than the inner diameter of the seedling taking cylinder (30), the inner wall of the sliding cavity (32) is provided with a limiting structure at the end away from the negative pressure box body (10), and the blocking ring (40) is slidably installed in the sliding cavity (32).

4. The seedling picking device for automated seedling raising according to claim 3, characterized in that: The limiting structure comprises a ring groove (33) and an elastic ring (50), the ring groove (33) is arranged on the inner wall of the sliding cavity (32) away from the negative pressure box body (10), and the elastic ring (50) is elastically and supportingly installed in the ring groove (33).

5. The seedling picking device for automated seedling raising according to claim 1, wherein: The seedling taking cylinder (30) is provided with an insertion sharp portion (34) away from the negative pressure box body (10).

6. The seedling picking device for automated seedling raising according to claim 1, wherein: The end, connected with the negative pressure box body (10), of the seedling taking cylinder (30) is provided with an external thread end (31), the outer wall of the negative pressure box body (10) is fixedly connected with a nut ring (14) at the position corresponding to the communication hole (13), and the external thread end (31) is screw-connected and fixed with the nut ring (14).

7. A seedling picking device for automated seedling raising according to any one of claims 1 to 6, characterized in that: The inner wall of the blocking ring (40) is a conical structure (41) with a large lower part and a small upper part.

8. The seedling picking device for automated seedling raising according to claim 1, characterized in that: The negative pressure box body (10) is further provided with a gas supply pipe (12).

9. The seedling picking device for automated seedling raising according to claim 1, wherein: The connecting structure (20) comprises a support column (21) and a flange plate (22), and the flange plate (22) is connected and fixed with the negative pressure box body (10) through the support column (21).

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