CN220140236U

CN220140236U - Straw chopper

Info

Publication number: CN220140236U
Application number: CN202322988269.2U
Authority: CN
Inventors: 卜俊松; 鲍洪波
Original assignee: Qingchuan Animal Husbandry Co ltd Suifenhe Area Heilongjiang Free Trade Zone
Current assignee: Qingchuan Animal Husbandry Co ltd Suifenhe Area Heilongjiang Free Trade Zone
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2023-12-08
Anticipated expiration: 2033-11-07

Abstract

The utility model relates to a straw chopper, and relates to the technical field of corn straw. The corn stalk shredder comprises a shredding frame, wherein the upper end of the shredding frame is fixedly connected with a corn stalk crushing box and a mounting frame, a stalk conveyor is arranged between the side walls of the mounting frame, two crushing cutters are rotatably connected between the side walls of the corn stalk crushing box, connecting plates are slidably arranged on the two side walls of the mounting frame, two squeeze rollers are rotatably connected between the two connecting plates, moving mechanisms are arranged on the two connecting plates, each group of moving mechanisms comprises a first cylinder, a second cylinder and a fixed plate, the fixed plates are fixedly connected to the upper end of the mounting frame, and the moving mechanisms, the stalk conveyor, the squeeze rollers and the connecting plates are matched to press corn stalks, so that the corn stalks are prevented from being ejected or splashed out when being shredded too long or messy and cause harm to the surrounding.

Description

Straw chopper

Technical Field

The utility model relates to the technical field of corn stalks, in particular to a stalk chopper.

Background

Corn stalk is used as grain, warp and feed crop and is also an important production resource for industrial and agricultural production. As a kind of corn stalk contains rich nutrients and available chemical components, and may be used as feed material in animal industry. For a long time, corn stalks are one of the raw materials of the main roughage for livestock. Crop straws belong to a precious biomass energy resource in an agricultural ecological system.

Corn stalks need to be crushed before being processed, because the corn stalks are longer and the surface of the corn stalks are provided with leaves and the like, if the corn stalks are not orderly put into the chopper, some stalks can be popped out from the side due to the blocking of other stalks, and if operators stand around, the danger can be caused to surrounding personnel.

Disclosure of Invention

According to the defects existing in the prior art, the utility model aims to provide the straw chopper which has the effects of limiting and extruding corn straw and preventing the straw from being ejected out in the chopping process and causing harm to surrounding personnel and the like.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a straw chopper, includes the cutting up frame, the upper end fixedly connected with maize straw breaking box and the mounting bracket of cutting up the frame, install the straw conveyer between the lateral wall of mounting bracket, rotate between the lateral wall of maize straw breaking box and be connected with two crushing knives, two lateral walls of mounting bracket all slide and are provided with the connecting plate, two rotate between the connecting plate and be connected with two squeeze rolls, two all be provided with moving mechanism on the connecting plate, every group moving mechanism all includes first cylinder, second cylinder and fixed plate, fixed plate fixed connection is in the upper end of mounting bracket, the equal fixed connection of first cylinder and second cylinder is in the upper end of fixed plate, and the piston rod of first cylinder and second cylinder all movably run through the lower extreme of fixed plate and with the upper end of connecting plate fixed, two the pivot of crushing knives all movably runs through one side of maize straw breaking box and fixedly connected with gear, two mesh mutually between the gear, one side fixedly connected with frame of maize straw breaking box, one side fixedly connected with second motor of frame, and one side fixedly connected with one side of second motor's output end and one of them fixed frame run through.

Through adopting above-mentioned technical scheme, moving mechanism, straw conveyer, squeeze roll, connecting plate cooperation can press corn stalk, prevent that corn stalk overlength or more disordered straw from being popped out or splash when cutting up, cause harm around to, and gear, second motor match and can drive two crushing cutters and rotate.

The present utility model may be further configured in a preferred example to: each group of moving mechanism also comprises two T-shaped rods, the two T-shaped rods are fixedly connected to the upper ends of the connecting plates, and the two T-shaped rods movably penetrate through the upper ends of the fixing plates.

Through adopting above-mentioned technical scheme, T type pole and connecting plate cooperation can improve the removal stability of connecting plate.

The present utility model may be further configured in a preferred example to: the corn stalk crushing box is characterized in that a material leakage opening is formed in the inner bottom wall of the corn stalk crushing box, a sieving plate is fixedly connected between the side walls of the material leakage opening, a shielding door is slidably arranged on one side of the corn stalk crushing box, and two groups of adjusting mechanisms are arranged on one side of the shielding door.

By adopting the technical scheme, the shielding door can prevent excessive leakage of dust when the straw is crushed.

The present utility model may be further configured in a preferred example to: every group adjustment mechanism all includes rectangular channel, first motor, lead screw and screw nut, the rectangular channel is seted up in one side of the broken case of maize straw, the lead screw rotates to be connected between the interior roof and the interior bottom wall of rectangular channel, screw nut threaded connection is in the circumference side of lead screw, the upper end fixedly connected with first motor of the broken case of maize straw, and the output activity of first motor runs through the interior roof of rectangular channel and is fixed with the upper end of lead screw, shelter from door fixed connection in one side of screw nut.

By adopting the technical scheme, the adjusting mechanism can drive the shielding door to move up and down to shield the notch of the corn straw crushing box during crushing.

The present utility model may be further configured in a preferred example to: two limiting rods are fixedly connected between the inner top wall and the inner bottom wall of the rectangular groove, and the screw rod nuts are connected to the circumferential sides of the two limiting rods in a sliding mode.

Through adopting above-mentioned technical scheme, screw-nut and gag lever post sliding fit can improve screw-nut's removal stability.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. be provided with moving mechanism, straw conveyer, squeeze roll, the connecting plate, put corn stalk on the straw conveyer, start the straw conveyer, straw conveyer drives straw transmission and moves to corn stalk crushing incasement, start first cylinder and second cylinder, the piston rod of first cylinder and second cylinder promotes the connecting plate and moves downwards, the connecting plate promotes the squeeze roll downwards can cooperate with the straw conveyer for corn stalk is spacing at the in-process that removes, press corn stalk, when needs carry out crushing to corn stalk, start the second motor, one of them gear rotation is driven to the output of second motor, two gears mesh mutually, two gears rotate simultaneously, the gear drives two crushing sword rotations, crushing sword cooperation can be broken corn stalk, prevent that corn stalk overlength or more indiscriminate straw from being popped when cutting up, cause harm to surrounding personnel.

2. Be provided with and shelter from door and adjustment mechanism, when the broken incasement of straw entering maize straw is broken through broken sword, start first motor, the output of first motor drives the lead screw and rotates, and screw-nut moves at the circumference of lead screw side, and screw-nut drives and shelter from the door and reciprocate for shelter from the door can shelter from the protection according to the thickness of maize straw and how much the broken case notch of adjustment maize straw's size.

Drawings

Fig. 1 is a perspective view of the present embodiment;

fig. 2 is a partial enlarged view at a in fig. 1 of the present embodiment;

fig. 3 is a perspective sectional view of the present embodiment.

In the figure, 1, a shredding machine frame; 2. corn stalk crushing box; 3. a shutter door; 4. a crushing knife; 5. a mounting frame; 6. a straw conveyor; 7. a squeeze roll; 8. a connecting plate; 9. a moving mechanism; 901. a first cylinder; 902. a T-shaped rod; 903. a second cylinder; 904. a fixing plate; 10. a material leakage port; 11. an adjusting mechanism; 1101. rectangular grooves; 1102. a first motor; 1103. a screw rod; 1104. a screw nut; 1105. a limit rod; 12. screening plates; 13. a gear; 14. a second motor; 15. and a base.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Examples: referring to fig. 1 to 3, the straw chopper disclosed by the utility model comprises a chopper frame 1, wherein the upper end of the chopper frame 1 is fixedly connected with a corn straw crushing box 2 and a mounting frame 5, a straw conveyor 6 is arranged between the side walls of the mounting frame 5, two crushing cutters 4 are rotatably connected between the side walls of the corn straw crushing box 2, connecting plates 8 are slidably arranged on the two side walls of the mounting frame 5, two squeeze rollers 7 are rotatably connected between the two connecting plates 8, a plurality of squeeze blocks are fixedly connected to the circumferential sides of the two squeeze rollers 7, a moving mechanism 9 is arranged on the two connecting plates 8, each group of moving mechanisms 9 comprises a first cylinder 901, a second cylinder 903 and a fixed plate 904, the fixed plate 904 is fixedly connected to the upper end of the mounting frame 5, the first cylinder 901 and the second cylinder 903 are fixedly connected to the upper end of the fixed plate 904, the piston rods of the first air cylinder 901 and the second air cylinder 903 are movably penetrated through the lower end of the fixed plate 904 and fixed with the upper end of the connecting plate 8, each group of moving mechanism 9 further comprises two T-shaped rods 902, the two T-shaped rods 902 are fixedly connected with the upper end of the connecting plate 8, the two T-shaped rods 902 are movably penetrated through the upper end of the fixed plate 904, the rotating shafts of the two crushing cutters 4 are movably penetrated through one side of the corn straw crushing box 2 and fixedly connected with the gears 13, the two gears 13 are meshed, one side of the corn straw crushing box 2 is fixedly connected with the base 15, one side of the base 15 is fixedly connected with the second motor 14, the output end of the second motor 14 is movably penetrated through one side of the base 15 and fixed with one side of one of the gears 13, the second motor 14 is started, the output end of the second motor 14 drives one of the gears 13 to rotate, the two gears 13 are meshed, the gears 13 drive the two crushing cutters 4 to rotate, t-shaped rod 902 and connecting plate 8 cooperation can improve the mobility stability of connecting plate 8, put the maize straw on straw conveyer 6, start straw conveyer 6, straw conveyer 6 drives straw drive and moves to maize straw crushing case 2, start first cylinder 901 and second cylinder 903, the piston rod of first cylinder 901 and second cylinder 903 promotes connecting plate 8 and moves down, connecting plate 8 promotes squeeze roller 7 and can downwards and straw conveyer 6 cooperation for maize straw is spacing at the in-process that removes, presses maize straw, prevent maize straw overlength or more disordered straw by popping when cutting up, cause harm around.

The inner bottom wall of the corn stalk crushing box 2 is provided with a material leakage opening 10, a sieve plate 12 is fixedly connected between the side walls of the material leakage opening 10, one side of the corn stalk crushing box 2 is slidably provided with a shielding door 3, one side of the shielding door 3 is provided with two groups of adjusting mechanisms 11, and the shielding door 3 can prevent excessive leakage of dust during crushing of stalks.

Each group of adjusting mechanism 11 comprises a rectangular groove 1101, a first motor 1102, a screw rod 1103 and a screw rod nut 1104, wherein the rectangular groove 1101 is formed in one side of a corn straw crushing box 2, the screw rod 1103 is rotationally connected between the inner top wall and the inner bottom wall of the rectangular groove 1101, the screw rod nut 1104 is in threaded connection with the circumferential side of the screw rod 1103, the upper end of the corn straw crushing box 2 is fixedly connected with the first motor 1102, the output end of the first motor 1102 movably penetrates through the inner top wall of the rectangular groove 1101 and is fixed with the upper end of the screw rod 1103, the shielding door 3 is fixedly connected with one side of the screw rod nut 1104, the adjusting mechanism 11 can drive the shielding door 3 to move up and down to shield the notch of the corn straw crushing box 2, two limiting rods 1105 are fixedly connected between the inner top wall and the inner bottom wall of the rectangular groove 1101, the screw rod nut 1104 is in sliding connection with the circumferential side of the two limiting rods, when the corn straw crushing box 2 is crushed by a crushing cutter 4, the output end of the first motor 1102 drives the screw rod nut 1104 to rotate at the circumferential side of the screw rod 1104, the screw rod nut 1104 drives the shielding door 1104 to move up and down, the shielding door 3 can shield the notch 3 and the corn straw crushing box 2 according to the thickness of the corn straw crushing box 2.

The implementation principle of the embodiment is as follows: putting corn stalks on the stalk conveyer 6, start stalk conveyer 6, stalk conveyer 6 drives the straw transmission and moves to corn stalk crushing case 2, start first cylinder 901 and second cylinder 903, the piston rod of first cylinder 901 and second cylinder 903 promotes connecting plate 8 and moves down, connecting plate 8 promotes squeeze roll 7 and can cooperate with stalk conveyer 6 downwards for corn stalk is spacing at the in-process that removes, press corn stalk, prevent that corn stalk overlength or is disordered when cutting up the straw, cause harm to the surrounding, when corn stalk is broken, start first motor 1102, the output of first motor 1102 drives the lead screw 1103 and rotates, the lead screw nut 1104 is moved about the circumference of lead screw 1103, the lead screw nut 1104 drives and shelters from door 3 and reciprocate, make shelter from the door 3 and shelter from the protection according to the thickness of corn stalk and how much the size of adjusting corn stalk crushing case 2 notch.

What is not described in detail in this specification is prior art known to those skilled in the art.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Straw chopper, including cutting up frame (1), its characterized in that: the upper end of the shredding frame (1) is fixedly connected with a corn straw crushing box (2) and a mounting frame (5), a straw conveyor (6) is arranged between the side walls of the mounting frame (5), two crushing cutters (4) are rotationally connected between the side walls of the corn straw crushing box (2), connecting plates (8) are slidingly arranged on the two side walls of the mounting frame (5), two extruding rollers (7) are rotationally connected between the two connecting plates (8), moving mechanisms (9) are arranged on the two connecting plates (8), each group of moving mechanisms (9) comprises a first air cylinder (901), a second air cylinder (903) and a fixing plate (904), the fixed plate (904) is fixedly connected with the upper end of the mounting frame (5), the first air cylinder (901) and the second air cylinder (903) are fixedly connected with the upper end of the fixed plate (904), piston rods of the first air cylinder (901) and the second air cylinder (903) movably penetrate through the lower end of the fixed plate (904) and are fixed with the upper end of the connecting plate (8), the rotating shafts of the two crushing cutters (4) movably penetrate through one side of the corn straw crushing box (2) and are fixedly connected with gears (13), the two gears (13) are meshed with each other, one side of the corn straw crushing box (2) is fixedly connected with a base (15), one side of the machine base (15) is fixedly connected with a second motor (14), and the output end of the second motor (14) movably penetrates through one side of the machine base (15) and is fixed with one side of one of the gears (13).

2. The straw chopper of claim 1, wherein: each group of moving mechanism (9) further comprises two T-shaped rods (902), the two T-shaped rods (902) are fixedly connected to the upper ends of the connecting plates (8), and the two T-shaped rods (902) movably penetrate through the upper ends of the fixing plates (904).

3. The straw chopper of claim 1, wherein: the corn stalk crushing box is characterized in that a material leakage opening (10) is formed in the inner bottom wall of the corn stalk crushing box (2), a sieve plate (12) is fixedly connected between the side walls of the material leakage opening (10), a shielding door (3) is slidably arranged on one side of the corn stalk crushing box (2), and two groups of adjusting mechanisms (11) are arranged on one side of the shielding door (3).

4. A straw chopper according to claim 3, wherein: every group adjustment mechanism (11) all include rectangular channel (1101), first motor (1102), lead screw (1103) and screw-nut (1104), one side in broken case of maize straw (2) is seted up in rectangular channel (1101), lead screw (1103) rotate and connect between the interior roof and interior bottom wall in rectangular channel (1101), screw-nut (1104) threaded connection is in the circumference side of lead screw (1103), the upper end fixedly connected with first motor (1102) of the broken case of maize straw (2), and the output activity of first motor (1102) runs through the interior roof in rectangular channel (1101) and is fixed with the upper end of lead screw (1103), shelter from one side that door (3) fixedly connected with screw-nut (1104).

5. The straw chopper of claim 4, wherein: two limiting rods (1105) are fixedly connected between the inner top wall and the inner bottom wall of the rectangular groove (1101), and the screw nut (1104) is connected to the circumferential sides of the two limiting rods (1105) in a sliding mode.