Double-roller self-adaptive picking head structure of cotton picker

Abstract

The utility model discloses a double-roller self-adaptive picking head structure of a cotton picker, and particularly relates to the technical field of cotton pickers.The double-roller self-adaptive picking head structure of the cotton picker comprises a mounting frame and two picking rollers, the two picking rollers are both located in the mounting frame, a plurality of picking spindles are fixedly connected to the two picking rollers, U-shaped plates are arranged on the two picking rollers, and the U-shaped plates are arranged on the mounting frame. A moving assembly is arranged between the two U-shaped plates, the moving assembly comprises a second stepping motor, a positive and negative screw rod, a plurality of sliding blocks and a sliding rod, and the second stepping motor is fixedly mounted on one side of the mounting frame. The cotton picker drives the mounting frame to move, the second stepping motor works to drive the positive and negative lead screws to rotate, so that the two picking rollers are driven to move oppositely, in the same way, the second stepping motor rotates reversely to drive the two picking rollers to move oppositely, and the distance between the two picking rollers is adjusted according to requirements. The two picking rollers rotate to pick cotton of different varieties and at different intervals, operation is easy, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to cotton picking machine technical field more specifically, the utility model relates to a double roller self -adaptation picking head structure of cotton picking machine. BACKGROUND

[0002] Cotton picking machine is a kind of agricultural machinery equipment for cotton harvesting, it can automatically complete the picking, collection and preliminary processing of cotton etc., greatly improve the efficiency and quality of cotton harvesting, reduce the labor intensity of manual picking, when cotton picking machine is operated, the cotton plant is collected and introduced into picking chamber by divider, and the picking tine on picking roller hooks and winds cotton under high-speed rotation, and then the cotton is pulled out from cotton boll along with the rotation of the roller, then the cotton is stripped by stripping disc, and then the cotton is transported to cotton box through cotton conveying pipeline.

[0003] Through the retrieval, the Chinese patent with announcement number CN215345923U discloses a quick-mounting type cotton picking machine picking head, by setting the mounting mechanism, the picking pipe can be pushed to make the positioning groove and the positioning block start to be clamped, then the rotating disc is rotated to drive the transmission rod to make the first bearing ring rotate, then the first transmission belt drives the second bearing ring to rotate, then the two rotating lead screws are driven to move downward in the fixed ring, then the stable collar drives the stable plate to make the connecting block and the fixed block move downward, then the fixed block and the connecting block are clamped into the connecting groove and the clamping groove, so that the picking pipe and the connecting pipe are firmly fixed together, so that the picking head is quickly mounted on the cotton picking machine, both sides are quickly installed at the same time, so that the installation efficiency is improved, the installation time is reduced, the picking speed is greatly improved, the installation is simple, more time and labor saving, and the practicality is better.

[0004] When the above-mentioned picking head is used, the second transmission belt starts to drive the second rotating shaft to rotate, so that the second rotating shaft and the first rotating shaft simultaneously drive the two picking rollers to perform picking operation, but it is inconvenient to adjust the distance between the two picking rollers, different varieties of cotton plants have different sizes and spacings, if the distance between the picking rollers is fixed, it will lead to that some densely or sparsely planted cotton cannot be effectively picked, and the picking rate is reduced. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a double roller self-adaptive picking head structure of cotton picking machine, which aims to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: A double roller self -adaptation picking head structure of cotton picker, including mounting bracket and two picking rollers, and two picking rollers all are located inside mounting bracket, a plurality of picking spindles are fixedly connected on two picking rollers, two U type boards are arranged on two picking rollers, moving assembly is arranged between two U type boards, the moving assembly includes second stepper motor, positive and negative screw rod, a plurality of sliding blocks and slide rod, the second stepper motor is fixedly installed on one side of mounting bracket, and the output shaft end of second stepper motor is fixedly connected with positive and negative screw rod, the both ends of positive and negative screw rod are movably connected with mounting bracket, and positive and negative screw rod is screw connected with two sliding blocks, the both ends of slide rod are fixedly connected with mounting bracket, and slide rod penetrates other two sliding blocks, one side of a plurality of sliding blocks is fixedly connected with two U type boards respectively.

[0007] Further, the top end of the mounting bracket is fixedly connected with a connecting frame, wherein the connecting frame serves to facilitate the connection of the mounting bracket and the cotton picker.

[0008] Further, the top end of the mounting bracket is fixedly connected with a connecting frame, wherein the connecting frame serves to facilitate the connection of the mounting bracket and the cotton picker.

[0009] Further, the picking roller is provided with a rotating assembly, the rotating assembly comprises two first rotating shafts, two circular plates, a bevel gear set, a second rotating shaft and a first stepper motor, and the number of rotating assemblies is two.

[0010] Further, the top end of the mounting bracket is fixedly connected with a connecting frame, wherein the connecting frame serves to facilitate the connection of the mounting bracket and the cotton picker.

[0011] Further, the first stepper motor is fixedly installed at the top end of the U-shaped plate, and the output shaft end of the first stepper motor is fixedly connected with the second rotating shaft, and the second rotating shaft is connected with one of the first rotating shafts through the bevel gear set.

[0012] Further, the outer side of the bevel gear set is movably provided with a protective frame, and one side of the protective frame is fixedly connected with the U-shaped plate.

[0013] It can be seen that the above technical scheme prevents the cotton from adhering to the bevel gear set.

[0014] Further, a baffle is movably arranged between the two picking rollers, and the baffle is fixedly installed inside the mounting bracket.

[0015] It can be seen that the above technical scheme prevents the picking rollers from colliding or contacting with each other during operation.

[0016] The utility model discloses a technical effect and advantage:

[0017] 1, the utility model discloses a cotton picker drive mounting frame moves, and the second stepper motor works and drives positive and negative screw rod rotation to drive two picking cylinders to move towards each other, and the second stepper motor reverses to drive two picking cylinders to move away from each other according to the demand adjustment the distance between two picking cylinders, and the rotation of two picking cylinders can pick different varieties, interval cotton, simple operation, wide application range.

[0018] 2, the utility model discloses a first stepper motor works and drives second pivot rotation, and the second pivot drives two first pivots and two round plates to rotate through bevel gear set to drive picking cylinder rotation, and the protective frame can prevent cotton from adhering on bevel gear set, simple structure, convenient to use. DRAWINGS

[0019] The structure, proportion, size etc. of the present specification are only used to cooperate the content disclosed in the specification, for the understanding and reading of the person skilled in the art, and not used to limit the limiting conditions of the utility model can be implemented, so it does not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, under the condition of not affecting the effect and the purpose that the utility model can produce, should still fall in the range that the technical content disclosed in the utility model can cover.

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the whole structure bottom view of the utility model;

[0022] Figure 3 It is the mobile subassembly and U type board assembly structure schematic view of the utility model;

[0023] Figure 4 It is the picking cylinder and U type board assembly structure schematic view of the utility model;

[0024] Figure 5 It is the picking cylinder and rotation subassembly assembly structure schematic view of the utility model.

[0025] In the drawing: 1, mounting frame;2, picking cylinder;3, U type board;4, discharge pipe;5, rotation subassembly;6, mobile subassembly;7, connecting frame;8, protective frame;9, baffle;501, first pivot;502, round plate;503, bevel gear set;504, second pivot;505, first stepper motor;601, second stepper motor;602, positive and negative screw rod;603, sliding block;604, slide rod. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Referring to the drawings Figures 1-5 The double-roller self-adaptive picking head structure of the cotton picker comprises a mounting frame 1 and two picking rollers 2, both of which are located inside the mounting frame 1, and a plurality of picking spindles are fixedly connected to each of the picking rollers 2. U-shaped plates 3 are arranged on the picking rollers 2, and a moving assembly 6 is arranged between the two U-shaped plates 3. The moving assembly 6 comprises a second stepper motor 601, a reversible lead screw 602, a plurality of sliding blocks 603, and a sliding rod 604. The second stepper motor 601 is fixedly installed on one side of the mounting frame 1, and the output shaft end of the second stepper motor 601 is fixedly connected with the reversible lead screw 602. Both ends of the reversible lead screw 602 are movably connected with the mounting frame 1 through bearings, and the reversible lead screw 602 is threadedly connected with two of the sliding blocks 603. Both ends of the sliding rod 604 are fixedly connected with the mounting frame 1, and the sliding rod 604 penetrates the other two sliding blocks 603. One side of each of the sliding blocks 603 is fixedly connected with one of the U-shaped plates 3.

[0028] Further, the top end of the mounting frame 1 is fixedly connected with a connecting frame 7, which serves to facilitate the connection between the mounting frame 1 and the cotton picker. The top end of each of the U-shaped plates 3 is fixedly connected with a discharge pipe 4, which serves to facilitate the conveying of cotton.

[0029] Further, a rotating assembly 5 is arranged on the picking roller 2. The rotating assembly 5 comprises two first rotating shafts 501, two circular plates 502, a bevel gear set 503, a second rotating shaft 504, and a first stepper motor 505. The number of the rotating assemblies 5 is two. The opposite ends of the two first rotating shafts 501 are fixedly connected with the two circular plates 502, respectively. The opposite ends of the two first rotating shafts 501 are movably connected with the U-shaped plates 3 through bearings. The opposite sides of the two circular plates 502 are fixedly connected with the picking roller 2 through bolts. The first stepper motor 505 is fixedly installed on the top end of the U-shaped plate 3, and the output shaft end of the first stepper motor 505 is fixedly connected with the second rotating shaft 504. The second rotating shaft 504 is connected with one of the first rotating shafts 501 through the bevel gear set 503.

[0030] Furthermore, a protective frame 8 is movably provided on the outer side of the bevel gear set 503, and one side of the protective frame 8 is fixedly connected to the U-shaped plate 3. A baffle 9 is movably provided between the two picking rollers 2, and the baffle 9 is fixedly installed inside the mounting frame 1.

[0031] The picking roller 2 is installed between two circular plates 502 by bolts. Similarly, the picking roller 2 can be disassembled and replaced. The first stepper motor 505 is started. The first stepper motor 505 drives the second rotating shaft 504 to rotate. The second rotating shaft 504 drives the two first rotating shafts 501 and the two circular plates 502 to rotate through the bevel gear set 503. The bevel gear set 503 includes two bevel gears. The two bevel gears are fixedly connected to the second rotating shaft 504 and one of the first rotating shafts 501, respectively, so as to drive the picking roller 2 to rotate. The protective frame 8 can prevent cotton from sticking to the bevel gear set 503. The structure is simple and easy to use. The baffle 9 can prevent the picking rollers 2 from colliding or contacting each other during operation.

[0032] The usage method of this embodiment is as follows:

[0033] In use, the connecting frame 7 is installed on the cotton harvester with bolts, thus fixing the mounting frame 1 to the cotton harvester. The cotton harvester drives the mounting frame 1 to move, activating the second stepper motor 601. The second stepper motor 601 drives the positive and negative lead screws 602 to rotate. Since two of the sliders 603 are threadedly connected to the positive and negative lead screws 602, and the other two sliders 603 cooperate with the slide rod 604 to restrict the rotation of the two U-shaped plates 3, the positive and negative lead screws 602 can drive the two U-shaped plates 3 to move towards each other, thereby driving the two picking rollers 2 to move towards each other. Similarly, the second stepper motor 601 reverses to drive the two picking rollers 2 to move away from each other. The distance between the two picking rollers 2 can be adjusted as needed. The rotation of the two picking rollers 2 can pick cotton of different varieties and spacings. The operation is simple and the application range is wide. The cotton is conveyed through the discharge pipe 4.

[0034] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are not shown in the figures because they are existing technologies, and will not be described here.

[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A double-roller adaptive picking head structure for a cotton harvester, comprising a mounting frame (1) and two picking rollers (2), wherein both picking rollers (2) are located inside the mounting frame (1), and multiple picking spindles are fixedly connected to each of the two picking rollers (2), characterized in that: Two said picking roller (2) are provided with U-shaped plate (3), two said U-shaped plate (3) between the mobile assembly (6) is arranged, the mobile assembly (6) includes second stepper motor (601), positive and negative screw rod (602), a plurality of sliding blocks (603) and slide rod (604), the second stepper motor (601) is fixedly installed on one side of mounting bracket (1), and the output shaft end of second stepper motor (601) is fixedly connected with positive and negative screw rod (602), the both ends of positive and negative screw rod (602) are movably connected with mounting bracket (1), and positive and negative screw rod (602) is threadedly connected with two sliding blocks (603), both ends of slide rod (604) are fixedly connected with mounting bracket (1), and slide rod (604) penetrates the other two sliding blocks (603), a plurality of said sliding blocks (603) one side is respectively fixedly connected with two U-shaped plate (3).

2. The double cylinder self-adaptive picking head structure of a cotton picker according to claim 1, characterized in that: The top of the mounting bracket (1) is fixedly connected with a connecting frame (7), wherein the connecting frame (7) facilitates the connection of the mounting bracket (1) and the cotton picker.

3. The double roller self-adaptive picking head structure of a cotton picker according to claim 1, characterized in that: The top of the two U-shaped plates (3) is fixedly connected with a discharge pipe (4), wherein the discharge pipe (4) facilitates the transportation of cotton.

4. The double roller self-adapting picking head structure of a cotton picker according to claim 1, characterized in that: The picking roller (2) is provided with a rotating assembly (5), the rotating assembly (5) includes two first shafts (501), two circular plates (502), a bevel gear set (503), a second shaft (504) and a first stepper motor (505), and the number of rotating assembly (5) is two.

5. The double roller self-adapting picking head structure of a cotton picker according to claim 4, characterized in that: The opposite ends of the two first shafts (501) are fixedly connected with the two circular plates (502), and the opposite ends of the two first shafts (501) are movably connected with the U-shaped plate (3) through bearings, and the opposite sides of the two circular plates (502) are fixedly connected with the picking roller (2) through bolts.

6. The double roller self-adapting picking head structure of a cotton picker according to claim 4, characterized in that: The first stepper motor (505) is fixedly installed on the top of the U-shaped plate (3), and the output shaft end of the first stepper motor (505) is fixedly connected with the second shaft (504), and the second shaft (504) is connected with one of the first shafts (501) through the bevel gear set (503).

7. The double roller self-adapting picking head structure of a cotton picker according to claim 4, characterized in that: The outer side of the bevel gear set (503) movably provided with a protective frame (8), and one side of the protective frame (8) is fixedly connected with the U-shaped plate (3).

8. The double roller self-adapting picking head structure of a cotton picker according to claim 1, characterized in that: Two said picking roller (2) between movably provided with a baffle (9), and the baffle (9) is fixedly installed in the inside of mounting bracket (1).

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