Special multi-position pneumatic screening and impurity removing device for potato seed cutting machine

Abstract

The invention discloses a special multi-position pneumatic screening and impurity removing device for a potato seed cutting machine, which can be mounted on a lifting device of the seed cutting machine independently or in an array manner, is used for screening and impurity removing of seed potato flow, mainly comprises a preshrinking type single-acting cylinder, a shifting plate, a pull rod and the like, uses compressed gas as power, and is used for driving the seed potato seed cutting machine to rotate. The bidirectional deflector rod can complete multi-position screening and impurity removal, screening and impurity removal operation of seed potato flow on the potato seed cutting machine can be rapidly completed, and the device is simple in structure and reasonable in layout.

Description

Technical Field

[0001] The invention relates to the technical field of potato sowing equipment, in particular to a multi-position pneumatic screening and impurity removal device special for a potato seed cutter. Background Art

[0002] Traditional potato seed preparation is mainly done by manual cutting of seed potatoes according to the position of the buds, which has low labor efficiency and high labor intensity. In recent years, the planting area of ​​potatoes as a staple food crop has continued to expand, and the demand for seed potato tubers has increased significantly. The manual production and processing of potato seed tubers by manpower can no longer adapt to and meet the current supply needs of potato seed potatoes. Therefore, the technology of using mechanical equipment to cut and produce potato seed tubers has become the focus of current attention and research and development.

[0003] The current problem is that there are certain hard debris such as stones and clods in the potato seed potatoes. After these debris enter the seed cutter through the lifting device, it is very easy to cause damage to the seed cutter and even the seed cutting mechanical equipment. At the same time, during the potato sowing stage, the quality of the seed potatoes directly affects the quality of the potato seedlings after sowing. Before cutting, the seed potatoes without buds, too small in size, infected with diseases, and severely damaged should be removed to avoid affecting the emergence rate and yield. In addition, the defective potatoes and debris such as clods and stones removed by traditional screening and impurity removal devices are often mixed together, and the screened defective potatoes cannot be directly reused. Secondary separation is required, which is time-consuming and labor-intensive. Therefore, in order to solve the above problems, a multi-position pneumatic screening and impurity removal device dedicated to potato seed cutters is designed. Summary of the invention

[0004] The purpose of the present invention is to address the above problems and to research and design a multi-position pneumatic screening and impurity removal device specially designed for a potato seed cutter. The device can screen the seed potato flow on the seed cutter, has a fast response speed, and has good impurity removal and screening effects.

[0005] To achieve the above purpose, the present invention adopts the following technical scheme: the multi-position pneumatic screening and impurity removal device for potato seed cutter mainly consists of a lever, a lever connecting plate, a front fixing plate of an upper cylinder, an upper pull rod, an upper cylinder, a rear fixing plate of an upper cylinder, an upper cylinder pull rod, an upper pull rod sleeve, an upper pull rod limit nut, an upper cylinder air supply pipe, a base, a lower cylinder air supply pipe, a rear fixing plate of a lower cylinder, an air pipe bracket, a lower cylinder, a front fixing plate of a lower cylinder, a lower pull rod limit nut, a lower pull rod sleeve, a lower cylinder pull rod, and a lower pull rod. This device can be combined in parallel and installed on the lifting device of a potato seed cutter to screen and remove impurities from seed potatoes before cutting.

[0006] As a preferred solution of the present invention, the upper and lower cylinders are installed on the base through the front and rear mounting plates, and are connected to the lever through the upper and lower pull rods respectively, and the maximum tilt angle of the lever can be adjusted by the limit nut on the pull rod.

[0007] Due to the adoption of the above technical solution, the multi-position pneumatic screening and impurity removal device for potato seed cutters provided by the present invention has the following beneficial effects compared with the prior art:

[0008] The multi-position pneumatic screening and impurity removal device specially used for a potato seed cutter can quickly execute actions and reset; the bidirectional lever can knock defective potatoes and other debris removed from the seed potato flow to different directions for collection, so that waste can be reused, the quality of cut seed potatoes is ensured, seed potatoes are saved, and costs are reduced; the upper and lower pull rod limit adjustment nuts can adjust the maximum inclination angle of the lever by changing the position, thereby changing the screening and impurity removal parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is the axonometric view of the structural diagram of the device.

[0010] Figure 2 This is the rear axonometric view of the structural diagram of the device.

[0011] Figure 3 This is the working diagram of the device reset

[0012] Figure 4 This is a schematic diagram of the device performing upper-level rejection.

[0013] Figure 5 This is a schematic diagram of the device performing lower-level rejection.

[0014] Explanation of the numbers in the figure: shift rod 1; shift rod connecting plate 2; upper cylinder front fixing plate 3; upper pull rod 4; upper cylinder 5; upper cylinder rear fixing plate 6; upper cylinder pull rod 7; upper pull rod sleeve 8; upper pull rod limit nut 9; upper cylinder air supply pipe 10; base 11; lower cylinder air supply pipe 12; lower cylinder rear fixing plate 13; air pipe bracket 14; lower cylinder 15; lower cylinder front fixing plate 16; lower pull rod limit nut 17; lower pull rod sleeve 18; lower cylinder pull rod 19; lower pull rod 20. DETAILED DESCRIPTION

[0015] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0016] like Figure 1As shown, a structural schematic diagram of a multi-position pneumatic screening and impurity removal device dedicated to a potato seed cutter of the present invention is given, and the multi-position pneumatic screening and impurity removal device dedicated to a potato seed cutter comprises a lever 1; a lever connecting plate 2; an upper cylinder front fixing plate 3; an upper pull rod 4; an upper cylinder 5; an upper cylinder rear fixing plate 6; an upper cylinder pull rod 7; an upper pull rod sleeve 8; an upper pull rod limiting nut 9; an upper cylinder air supply pipe 10; a base 11; a lower cylinder air supply pipe 12; a lower cylinder rear fixing plate 13; an air pipe bracket 14; a lower cylinder 15; a lower cylinder front fixing plate 16; a lower pull rod limiting nut 17; a lower pull rod sleeve 18; a lower cylinder pull rod 19; and a lower pull rod 20.

[0017] like Figure 2 As shown, the lever 1 is connected to the lever connecting plate 2 by a thin shaft and an open retaining ring; the lever connecting plate 2 is connected to the base 11 by bolts, washers and nuts; the upper and lower cylinders are connected to the base 11 by the upper cylinder front fixing plate 3, the upper cylinder rear fixing plate 6, the lower cylinder front fixing plate 16, the lower cylinder rear fixing plate 13, bolts, washers and nuts; the protruding ends of the upper and lower cylinders are respectively connected to the upper cylinder tie rod 7 and the lower cylinder tie rod 19 by threads, and the unthreaded side of the upper cylinder tie rod 7 and the lower cylinder tie rod 19 is sleeved on the upper tie rod sleeve 8 and the lower tie rod sleeve 19; the positions of the two sleeves on the upper tie rod 4 and the lower tie rod 20 are adjusted by the upper tie rod limit nut 9 and the lower tie rod limit nut 17; the upper tie rod 4 and the lower tie rod 20 are fixed in the slide groove of the lever plate 1 by the open retaining ring; the maximum inclination angle of the lever plate 1 is adjusted by adjusting the position of the upper tie rod limit nut 9 and the lower tie rod limit nut 17 on the tie rod.

[0018] The working principle of the present invention is described below. The device is installed independently and in multiple arrays behind the lifting device of the seed cutter. Before starting the operation, the mechanism is kept as follows. Figure 3 The state of the machine is determined by the signal sent by the visual recognition system equipped on the seed cutter to perform impurity removal and screening operations.

[0019] When debris or defective potatoes are located on the upper side of the device, the single-acting cylinder 15 on the lower side is ventilated and extended, and the lower cylinder pull rod 19 quickly slides on the lower pull rod sleeve 18 to the lower pull rod limit nut 17 and drives the lower pull rod 20 to extend together, and the other side of the lower pull rod 20 pulls the lever 1 to rotate, and the screening and impurity removal action is quickly completed; Figure 4 As shown, after the removal is completed, the lower cylinder 15 is de-energized and quickly resets to the position through the pre-shrink spring in the cylinder. Figure 3 state.

[0020] When debris or defective potatoes are located at the lower side of the device, the upper single-acting cylinder 5 is ventilated and extended, and the upper cylinder pull rod 7 quickly slides on the upper pull rod sleeve 8 to the upper pull rod limit nut 9 and drives the upper pull rod 4 to extend together. The other side of the upper pull rod 4 pulls the lever 1 to rotate, and the screening and impurity removal action is quickly completed; Figure 5As shown in the figure, after the removal is completed, the upper cylinder 5 is de-energized and the pre-shrink spring in the cylinder quickly returns to Figure 3 Status, waiting for the next execution signal.

[0021] The invention can be applied to the screening and weeding operations of cutting and seeding of various potatoes, and has the characteristics of fast operation, adjustable angle and multi-position execution.

Claims

1. A multi-position pneumatic screening and impurity removal device for a potato seed cutter, characterized in that The shift rod 1 is connected to the shift rod connecting plate 2 by a thin shaft and an open retaining ring; the shift rod connecting plate 2 is connected to the base 11 by bolts, washers and nuts; the upper and lower cylinders are connected to the base 11 by the upper cylinder front fixing plate 3, the upper cylinder rear fixing plate 6, the lower cylinder front fixing plate 16, the lower cylinder rear fixing plate 13, bolts, washers and nuts; the protruding ends of the upper and lower cylinders are respectively connected to the upper cylinder tie rod 7 and the lower cylinder tie rod 19 by threads, and the unthreaded side of the upper cylinder tie rod 7 and the lower cylinder tie rod 19 is sleeved on the upper tie rod sleeve 8 and the lower tie rod sleeve 19; the positions of the two sleeves on the upper tie rod 4 and the lower tie rod 20 are adjusted by the upper tie rod limit nut 9 and the lower tie rod limit nut 17; the upper tie rod 4 and the lower tie rod 20 are fixed in the slide groove of the shift plate 1 by an open retaining ring.

2. A multi-position pneumatic screening and impurity removal device for a potato seed cutter according to claim 1, characterized in that: The maximum inclination angle of the shift plate 1 can be freely adjusted by the upper pull rod limit nut 9 and the lower pull rod limit nut 17 .

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