Stem leaf vegetable posture conversion device

Abstract

The application discloses a kind of stem and leaf class vegetable posture conversion device, including left and right two symmetrical placement and having a certain angle of posture conversion clamping disc, each posture conversion clamping disc includes swivel disc and is set on air bag body, the air bag body is set on the opposite face of swivel disc, and the air bag body on two swivel discs is contacted in the approach end of swivel disc, swivel disc rotates around swivel shaft and is installed on support, and swivel disc is driven by power.The application uses flexible deformable air bag body to form arc contact area to carry out clamping posture conversion, and the structure is simple and reliable.Because air bag body uses soft rubber material with very low rigidity, the vegetable stem and leaf clamped and rotated by two sides air bag, no matter size, the clamping contact stress it suffers is the air pressure of compressed air, which can prevent damage to vegetables by controlling air pressure.

Description

TECHNICAL FIELD

[0001] The present application relates to a posture conversion device, in particular a stem and leaf vegetable posture conversion device. BACKGROUND

[0002] Stem and leaf vegetables grow in a basically vertical posture, so when they are introduced into a harvesting device for orderly harvesting, they are also in a vertical posture and are kept in this posture as they are sent into a collection device by an orderly conveying device. However, if stem and leaf vegetables in a vertical posture are allowed to fall freely and lie flat, they will randomly fall in different directions, which cannot guarantee that the roots and stems are oriented in an orderly state. Therefore, domestic and foreign efforts are being made to seek a method for the orderly collection of stem and leaf vegetables. From the measures taken so far, one method is to manually grasp and bundle the stem and leaf vegetables into a bunch while keeping them in a vertical posture when they are discharged by an orderly conveying device. There are also posture adjustment devices such as CN201621390378.8 clamping and overturning conveying device or CN201910126158.6 vegetable poking manipulator or CN201910159271.4, CN201821348199.7, CN201910127937.8 twisting and clamping belt, etc. to adjust the posture of stem and leaf vegetables from a vertical posture to a horizontal posture, and then collect them in a box. However, these posture adjustment devices, such as clamping and overturning conveying device and vegetable poking manipulator, have complex structures, and the twisting and clamping belt method is only suitable for short and small varieties or single-row harvesting. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the prior art and provide a stem and leaf vegetable posture conversion device with a simpler structure and suitable for multiple varieties and larger size changes.

[0004] A stem and leaf vegetable posture conversion device, the structural key points of which are as follows: it comprises two left and right symmetrical posture conversion clamping discs with a certain included angle, each posture conversion clamping disc comprises a rotating disc and a gas bag body arranged thereon, the gas bag body is arranged on the opposite surface of the rotating disc, and the gas bag bodies on the two rotating discs are in contact at the proximal end of the rotating disc, the rotating disc is mounted on a support and rotates around a rotating shaft, and the rotating disc is driven by a power source.

[0005] The stem and leaf vegetable posture conversion device of the present application is driven by power to rotate the posture conversion clamping discs on both sides synchronously. Since the posture conversion clamping discs are placed symmetrically left and right and have a certain clamping angle, the air bag bodies on the posture conversion clamping discs on both sides are in contact with each other after being filled with gas of a certain pressure, and a contact area is formed by the large deformation of the flexible air bag bodies. When the stem and leaf vegetables are sent to the contact area from the opening between the posture conversion clamping discs on both sides and are in contact with the air bag bodies on both sides, the gas with a certain pressure in the air bag bodies on both sides exerts pressure on the stems and leaves of the vegetables contacted by the air bag bodies to form clamping force, and the vegetables in the contact area are clamped to rotate with the rotating shaft of the rotating bearing of the posture conversion clamping discs. With the rotation of the posture conversion clamping discs, the stem and leaf vegetables are clamped to rotate through a certain angle and then are separated from the contact area. By adjusting the angle between the contact area and the rotating shaft, the posture conversion angle can be controlled. When used for collecting stem and leaf vegetables, the stem and leaf vegetable posture conversion device is arranged below the outlet end of the clamping conveying device, and the contact area is above the rotating shaft and deviates to the outlet side. As shown in Figure 3 , the clamping conveying device orderly conveys the stem and leaf vegetables in a vertical posture to the outlet end, as shown in A; the stem and leaf vegetables are sent to the contact area of the stem and leaf vegetable posture conversion device when they are about to be separated from the clamping area of the clamping conveying device, as shown in B; and then the stem and leaf vegetables are clamped and rotated by the stem and leaf vegetable posture conversion device through a certain angle and then are separated from the contact area, as shown in C. At this time, the stem and leaf vegetables have been adjusted from the vertical posture to a posture with a certain inclination angle to the conveying direction, and then fall into the collection box while still maintaining the orderly state with the roots and stems deviating in the same direction, as shown in D.

[0006] The air bag body on the rotating disc is a ring-shaped air bag body.

[0007] The air bag body on the rotating disc is a whole air bag body covering the surface of the rotating disc.

[0008] The specific way of arranging the ring-shaped air bag body on the rotating disc is to fixedly connect the rotating disc and the air bag body into an integrated structure.

[0009] The fixed connection of the rotating disc and the ring-shaped air bag body is to glue them together.

[0010] The specific way of arranging the ring-shaped air bag body on the rotating disc can also be to detachably connect the rotating disc and the air bag body together.

[0011] The detachable connection of the rotating disc and the air bag body can flexibly replace the air bag body according to needs.

[0012] The detachable connection of the rotating disc and the air bag body is to connect them by means of adhesive buckle, hidden buckle, etc.

[0013] The air bag body is a flexible rubber air bag body.

[0014] The air bag body of this structure is not easy to damage the vegetables.

[0015] In summary, the present application has the following advantages compared with the prior art:

[0016] (1) The flexible and deformable air bag body is used to form an arc-shaped contact area for clamping posture conversion, which is simple and reliable in structure.

[0017] (2) Since the air bag body is made of soft rubber material with extremely low rigidity, the clamped and rotated vegetable stems and leaves by the two air bags have a clamping contact stress, regardless of the size, which is the air pressure of compressed air, which can be prevented from damaging the vegetables by controlling the air pressure.

[0018] (3) The flexible air bag body has a large deformation range, which can adapt to clamping different sizes of vegetables for posture conversion.

[0019] (4) By using the feature that the clamping contact stress is basically unchanged, when clamping vegetables of different sizes, the contact area changes with the size of the clamped vegetables, so that the clamping force is adjusted accordingly, that is, the clamping force has self-adaptive adjustment capability.

[0020] (5) The posture is converted along the conveying direction, which is independent of the transverse size, and can adapt to multi-row harvesting of tall and large varieties of vegetables. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a single-sided structure diagram of the stem and leaf vegetable posture conversion device of the present application.

[0022] Figure 2 is the A-A sectional view of Figure 1 .

[0023] Figure 3 is a schematic diagram of the posture conversion process of the stem and leaf vegetable of the present application.

[0024] Reference signs: 1 posture conversion clamping disc, 1-1 annular air bag body, 1-2 rotary disc, 2 bearing, 3 support, 4 clamping and conveying device. DETAILED DESCRIPTION

[0025] The present application will be described in more detail below in conjunction with examples. EXAMPLE

[0026] A stem and leaf vegetable posture conversion device, comprising two posture conversion clamping discs placed symmetrically and having a certain included angle, each posture conversion clamping disc comprising a rotating disc and an air bag body arranged thereon, the air bag body being arranged on the facing surface of the rotating disc, and the air bag bodies on the two rotating discs being in contact at the proximal end of the rotating disc, the rotating disc rotating around the rotating shaft and being mounted on a support, and the rotating disc being driven by a power source. The air bag body on the rotating disc is a ring-shaped air bag body.

[0027] As shown in Figure 2 , the ring-shaped air bag body 1-1 and the rotating disc 1-2 are coupled by gluing or other fastening methods to form a posture conversion clamping disc 1, and a pair of posture conversion clamping discs 1 placed symmetrically and having a certain included angle are mounted on a frame 3 through bearings 2, and are synchronously driven by an external driving device to rotate around the rotating shaft of the bearing 2. After the ring-shaped air bag body 1-1 is filled with a certain gas pressure, the two side ring-shaped air bag bodies 1-1 are in contact at the proximal end, and a left-right posture adjusting air bag contact area as shown in Figure 1 is formed by using the large deformation of the flexible air bag body. Since the air bag body 1 is made of soft rubber material with extremely low rigidity, the stem and leaf vegetables clamped and rotated by the two side air bags have a compression air pressure regardless of the size.

[0028] As shown in Figure 3 , when the stem and leaf vegetables are harvested in an orderly manner, the clamping and conveying device conveys the stem and leaf vegetables in a vertical posture to the outlet end, as shown in state A; when the stem and leaf vegetables are about to leave the clamping area of the clamping and conveying device, they are sent into the contact area of the stem and leaf vegetable posture conversion device, as shown in B; then the stem and leaf vegetable posture conversion device clamps and rotates the stem and leaf vegetables by a certain angle, and the stem and leaf vegetables leave the contact area, as shown in C, at this time the stem and leaf vegetables have been adjusted from a vertical posture to a posture having a certain inclination angle to the conveying direction, and then fall into the collection box while still maintaining the ordered state with the roots and stems pointing in the same direction, as shown in D.

[0029] The unmentioned parts of the present embodiment are the same as the prior art.

Claims

1. A device for changing the posture of leafy vegetables, characterized by: The posture conversion clamping disc is symmetrically arranged and has a certain included angle, each posture conversion clamping disc comprises a rotating disc and an air bag body arranged on the rotating disc, the air bag body is arranged on the opposite surface of the rotating disc, the air bag bodies on the two rotating discs are in contact at the proximal end of the rotating disc, the rotating disc is rotatably arranged on the support and is driven by a power source.

2. The stem leaf vegetable posture converting device according to claim 1, characterized by: The air bag body on the rotating disc is a ring-shaped air bag body.

3. The stem leaf vegetable posture converting apparatus according to claim 2, characterized by: The ring-shaped air bag body is arranged on the rotating disc in a fixed connection mode or a detachable connection mode.

4. The stem leaf vegetable posture converting device according to claim 3, characterized in that: The rotating disc and the ring-shaped air bag body are fixedly connected by adhesive.

5. The stem leaf vegetable posture converting apparatus according to claim 3, characterized in that: The rotating disc and the ring-shaped air bag body are detachably connected by a buckle or a snap.

6. The stem leaf vegetable posture converting apparatus according to claim 1, wherein: The air bag body is a flexible rubber air bag body.

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