JPH02124015A - Treating conveyor in onion harvester - Google Patents

Abstract

PURPOSE:To surely grip onion bulbs with the gripping lugs of the title conveyor to carry onions to a cutting part while gripping them at the bulbs by providing a forcing roll to push bulbs into the gripping lugs. CONSTITUTION:Onions collected by a digger 4 are gripped at their bulbs 6 by a gripping lug of a conveyor 5, and their leaves 19 are cut off at a cutting part 32 while conveying the onions. A forcing roll 34 is closely provided on the conveyor 5 to push the bulbs 6 of the onions being in conveyance into the gripping lug to a specified depth, thus ensuring said bulbs to be gripped by the lug.

Description

[Detailed description of the invention] Industrial applications This invention relates to a processing conveyor for an onion harvester. Ru.

Prior Art and Problems to be Solved by the Invention An onion harvesting machine has a digging device that digs up onions from the soil surface, a conveyor that transfers the dug onions to the rear, and a receiver that receives the transferred onions. It consists of a processing device that cuts off the leaves while controlling the posture of the onion and the scales.The conveyor holds the onion scales, puts the leaves in a hanging position, and conveys and supplies them to the cutter. In the form where the leaves are removed,
It is necessary that this bulb part is securely held between the holding lugs,
If the onion is not held securely or is not held, the onion may fall while being conveyed to the cutter, or the leaves may be cut inaccurately.

(Invention of Claim 1) Means for Solving the Problem This invention has a clamping lug (7) that receives and clamps the bulb part +61 of the onion being dug by the digging device (4), and This onion leaf part (19) is transported to the cutter (support).
) is placed on the conveyor (5) for cutting out the bulb, and a push roll (to) for pushing the scale part (6) being conveyed into the clamping lug (7).
The processing conveyor of the onion harvesting machine is configured as follows.

Functions and Effects of the Invention The onions harvested by the harvesting device (4) are fed to the cutter (32) while being conveyed with the bulb part (6) held by the clamping lugs (7) of the conveyor (5). Have the leaves removed.

Since the push rolls (B) are provided close to each other on the conveyor (5), the bulbs (6) of the onions being conveyed are pressed by the push rolls α0 and are kept in the clamping lugs (7). It is pushed into position and is accurately clamped by the clamping lugs (7).

The onion bulbs (6) received by the clamping lugs (7) on the conveyor (5) are pushed in by the push rolls (b) during conveyance, so they are held in the clamping position by the clamping lugs (7). This allows the cutter (support) to accurately cut the leaf part f+91.

(Invention of Claim 2) Means for Solving the Problem This invention has a clamping lug (7) that receives and transfers the bulb part (6) of the onion being dug by the digging device (4). The onion leaves (1!) are conveyed to the cutter (to) at the end and cut off on the conveyor (5). A pushing roll α that pushes the scale part (6) of the inside of the holding lug (7)
The processing conveyor of the onion harvesting machine is configured to have a seasonal onion harvesting machine.

Functions and Effects of the Invention As described above, the bulbs (6) of the onion that are pinched and transferred by the pinching lugs (7) of the conveyor (5) are
Because it receives the suppressing effect of the push roll (to) that moves in synchronization with the push roll, it is difficult to receive the frictional effect of this push roll (b), and it is pushed into the clamping lug (7) without being subjected to posture changes such as rotation. It will be done. For this reason, the squamous portion (6) can be more stably held by the holding lugs (7).

In this case, by swinging the pushing roll (to) toward the pushing side with respect to the holding lug (7), it is possible to easily stabilize the fitting and holding posture of the scale part fGl to the holding lug (7).

Embodiment In FIGS. 1 to 6, the onion harvester has a vehicle body (125) having a crawler-type traveling device (11), an engine (+3), a container (141), and a cockpit (
19 etc., and is integrated with the vehicle body 021.
), a horitori blade (171, this horitori blade (remaining conveyor fil that carries onions dug up by I force and transports them to the rear side) digs up onions while sneaking under the soil surface from the front end, These hoarding blades (171) and a scraping reel I2o made of a rubber plate, etc., which scrapes the onion leaf part (1 piece) to the rear side while rotating on the conveyor (18) constitute the hoarding device (4), and further , a conveyor (5) is provided which is inclined from the rear end of the conveyor (1 [3) to the upper rear side, and whose rear end portion is gently sloped.

This conveyor (5) has a machine frame f that constitutes the left and right side wall plates.
Along the inside of le, a pair of left and right chains (23) are stretched between the sprocket (21) at the front end and the sprocket (2) at the rear end so that they can be rotated by transmission (c).

A packet (3) and a clamping lug (7) are attached to a bracket 1241 fixed to a link plate between the pair of chains, and are arranged at appropriate intervals in the longitudinal direction of the chain. These packets (3), clamping lugs (7), etc. are made of rods with appropriate diameters to facilitate the removal of soil to be attached to the onions. The packet (3) consists of a bottom support part (11) and a lug part (2), and a plurality of rods are stretched between the left and right brackets 041 to hold the flat spherical part of the onion's scale part (6). The bottom receiving part (1) protrudes to the bottom side of the chain (η), and the lug part (2) projects to the top side of the chain (0).

Both ends of the base of the clamping lug (7) are pivoted so as to be rotatable back and forth with respect to the bracket 4, and are always kept under tension by a spring Q9 so as to open in the rotational direction (c). .

In addition, a locking tool (10
1 is attached to the base of the holding lug (7), and this distal end has a locking part (gate) bent in a crank shape and a bent part 1121 bent outward, and the locking part protrudes to the outside of the holding lug (7). By engaging the protrusion with the locking part (5) of the locking tool (1ω), the gripping lug (7) assumes the gripping attitude (a), and by disengaging this engagement, the gripping lug ( 7) It is configured to be opened by a cover spring 2I19 to form an open position (b).

The clamping lug (7) is moved from the open position (B) to the clamping position (A).
A cam (8) for switching is provided at the bend between the steeply sloped part and the gently sloped part of the upward stroke of the conveyor (5).

Projects inward from the machine frame (161), contacts the locking protrusion t291 of the clamping lug (7), rotates the clamping lug (7) around the pivot, and operates into the clamping position (A). and lock the locking protrusion ff91 with the locking part (5) of the locking tool (1). 01 is a guide attached to the inside of the machine frame (IQ).
The locking protrusions 4 of the clamping lug (7) are brought into sliding contact to gradually raise the clamping lug (7), and the clamping lug (7) raised by the guide Oω is further Cam (8)
It is made to stand up by.

The push roll σ is installed on the steeply inclined part of the conveyor (5), and is configured to be long across the width of the clamping lug (7), and its peripheral surface is made of a soft sponge roll or the like, and is used to open the clamping lug (7). The scale part f6) received between the bottom receiving part fi+ and the lug part (2) in the posture (b) is pressed. Also, this push roll (
B) rotates (D) through a transmission T39 in synchronization with the rotational direction of the conveyor (5).

Further, the cam (9) for switching the clamping lug (7) from the clamping position (a) to the open position (b) is located at the opposite side of the cam (8), and is located on the opposite side of the conveyor (5). Opposite the lower side, which is the stroke. ,l! & Protrude inward from the frame IQ.

The bent part shi1 of the locking tool t+01 is slid into contact with it and moved downward, and the locking tool (locking +h part (5) of 101) is attached to the clamping lug (
7) from the locking protrusion 129), and remove this clamping lug (7) from the locking protrusion 129).
) is actuated into the open position (b) by a spring (2e).

The open position of the clamping lug (7) by this cam (9) (b)
A cross conveyor 0υ is provided below the switching position to receive and convey onions that are released and dropped by the open position (b) of the holding lug (7). A cutter for cutting off 1 cll of onion leaves is installed on the rear side of the cross conveyor 0υ, and the onion whose leaves have been cut off by this cutter falls onto the cross conveyor Oυ. Yes. Again.

This cutter (to) is installed at an appropriately spaced position below the conveyor (5), and is cut from a position at an appropriate length from the bulb part (6) held by the packet (3) and the holding lug (7) to the leaf part (19).
Excise 1.

At the rear end of the conveyor (5), when the clamping lug (7) is placed in the clamping position (A) by the cam (8), the scale part (6)
is held between the packet (3) and the holding lug (7), and while being conveyed, the sprocket at the rear end (when the second part is turned downward, it hangs downward from the leaf part, and this Pass the leaf (191) to the working position of the cutter.

The leaves (1gl) cut off by the cutter are stored in the lower container (141).The bulbs (6) transferred by the cross conveyor Qυ are also stored in another container.

Note that 03 is a hydraulic cylinder that adjusts or changes the vertical inclination angle of the vehicle body tlZ with respect to the traveling device (11).

Further, the transverse conveyor OD and the cutter (to) are integrally attached to the machine frame (Is side) of the conveyor (5).

What is different from the upper part in Fig. 7 is that the swinging arm 00, which is rotatably equipped with a push roll (to), is moved up and down (e) by a crank mechanism (2) on the end of the conveyor (5).
The swinging arm OQ is pivoted to the tip of a vertically moving arm (to) to be able to swing back and forth, and this swinging arm OQ uses a spring 113 to constantly move the pushing roll (to) in the direction of rotation of the conveyor (5). The vertical movement arm 08) moves downward, and the pushing roll (B) moves toward the conveyor (5).
), the lug part of this conveyor (5) (
2) is engaged with and swung in the onion transfer direction,
The synchronous transition is repeated while pushing the onions on the conveyor (5), and the scale part (6) is pushed into the space between the bottom receiving part (1) and the lug part (2). The transmission of the crank mechanism is carried out by the conveyor (
5) is input from the transmission mechanism of the conveyor (5), and the lug part (
2) It works in conjunction with the pinch, and the vertical movement arm 08
) is pivoted to the conveyor (5) frame). The push roll (to) is engaged with the lug part (2) of the conveyor (5) and moved in the rotational direction (c), while pushing the bulb part (6) of the onion.
is pushed onto the lug portion (2) and the bottom receiving portion (1), and the pushing action is repeated by moving upward and acting again on the succeeding lug portion (2).

[Brief explanation of the drawing]

The figures show an embodiment of the invention, and Figure 1 is a side view;
Fig. 2 is a side view showing a part of the function, Fig. 3 is a plan view of a part, Fig. 4 is a partially cutaway side view, Figs. 5 and 6 are a plan view of a part, Figure 7 is a cutaway side view of another example. In the figure, (2) is the bottom receiving part, (2) is the lug part, (3) is the packet, (4) is the digging device, (5) is the conveyor, (6)
(7) is the clamping lug, (8091 is the cam, and (8091) is the locking device. (A) is the clamping position. (B) is the open position.

Claims (1)

[Scope of Claims] 1. It has a clamping lug (7) that receives and clamps the bulb part (6) of the onion being dug by the digging device (4), and the onion is conveyed to the cutter (32) at the terminal end. On the conveyor (5) for cutting off the onion leaves (19), the scales (6) are placed on the conveyor (5) for cutting off the onion leaves (19).
A processing conveyor for an onion harvester, comprising a push roll (34) for pushing the material into the clamping lugs (7). 2. It has a clamping lug (7) that clamps the onion while receiving and transporting the scale part (6) of the onion being dug by the digging device (4), and conveys it to the cutter (32) at the terminal end to remove the leaves of the onion. Part (1
This clamping lug (7) is placed on the conveyor (5) for cutting out the lug (7).
) while moving synchronously with the clamping stroke of the scale part (6).
) into the clamping lugs (7).