CN110214555A - A kind of straw baler compression set - Google Patents

Abstract

The invention discloses a straw baler compression device, which belongs to the technical field of baler compression devices, and comprises a compression box, a moving assembly, a compression assembly and a cleaning assembly. One end of the cleaning assembly is arranged on the top of the moving assembly and is located Below the frame, the other end of the cleaning assembly extends into the compression box, and the compression box is provided with a partition plate arranged horizontally, and the partition plate divides the compression box into a first storage chamber and a second storage chamber. The assembly includes a first compression part, a second compression part and a third compression part. The first compression part is arranged on the bottom of the compression box and is located in the first accommodation cavity. The second compression part is arranged on the compression box and is connected to the compression box. The box is slidably fitted, and the third compression member is arranged on the top of the compression box and is slidably fitted with the compression box. The present invention realizes the comprehensive compression operation on the straw through the first compressing part, the second compressing part and the third compressing part, and the compressed volume of the straw is smaller, which is beneficial to the later transportation and storage of the straw.

Description

Compression device for a straw baler

technical field

The invention relates to the technical field of a baler compression device, in particular to a straw baler compression device.

Background technique

Reasonable utilization of crop straw must first be harvested with a straw baler. At present, square balers are mostly used to harvest straw, and most of the compression chambers use crank slider compression mechanisms. This mechanism has the advantages of simple structure and low manufacturing cost. The disadvantage is that the compression force of the baler on the straw is limited by the power of the machine, and the compression force directly affects the size and density of the straw bales. It is necessary to improve production efficiency and obtain large-sized, high-density straw bales.

For example, the patent with publication number CN108076858A relates to a straw baler compression device, including a bracket, two fixed blocks are arranged on the rear side of the lower surface of the bracket, and a bearing is arranged in the middle of the fixed block, and the bearing is fixedly connected with the fixed block. There is a fixed shaft in the middle, the bearing is socketed with the fixed shaft, the left and right ends of the fixed shaft are respectively provided with wheels, the wheels are fixedly connected with the fixed shaft, the upper surface of the bracket is provided with a box, and the lower surface of the box is provided with an L-shaped fixed shaft. The board and the box are fixedly connected with the L-shaped fixed plate by screws. The compression device of the straw baler has a stable structure and is durable. It can be installed on the rear of the agricultural machine through the pin hole and the pin with the head, which brings great convenience for carrying and using. For convenience, the use of electric power improves the compression density, and will no longer be limited by the power of the machine, and through the electric telescopic rod, the compression force is increased, which can improve the working efficiency of the straw baler and the stability of the straw baler equipment. reliability.

However, the above-mentioned device still has the following problems in use: first, when compressing the straw, the straw can only be compressed in one direction, resulting in a relatively large volume of the straw after compression, which affects the storage and transportation of the straw. Second, after the straw is compressed, the box body cannot be cleaned, causing dust to be contained in the box body, which will affect the next compression operation.

Contents of the invention

The technical problem to be solved by the present invention is to provide a straw baler compression device to solve the technical problems in the prior art that the straw can only be compressed in one direction and the box cannot be cleaned, resulting in dust in the box .

In order to solve the above technical problems, the present invention provides the following technical solutions: a straw baler compression device, including a compression box, a moving assembly, a compression assembly and a cleaning assembly, the moving assembly is provided with a mounting bracket, and the compression box is set On the top of the installation frame, one end of the cleaning assembly is arranged on the top of the moving assembly and below the installation frame, and the other end of the cleaning assembly extends into the compression box, and the compression box is provided with a partition plate arranged horizontally , the partition divides the compression box into a first accommodating chamber and a second accommodating chamber, the compression assembly includes a first compression piece, a second compression piece and a third compression piece, the first compression piece is arranged in the compression box and is located in the first accommodating cavity, the first compression part is slidably fitted with the partition, the second compression part is arranged on the compression box and is slidably fitted with the compression box, and the third compression part is arranged on the compression box The top of the box is slidably matched with the compression box, and the side wall of the compression box is provided with an inlet and outlet communicating with the second accommodating cavity, and an opening and closing door hinged with the side wall of the compression box is provided at the inlet and outlet.

Further, the first compression part includes a rotating motor, a first rotating rod, two second rotating rods and two slide rails, the rotating motor is arranged at the bottom of the compression box, and the conveying shaft of the rotating motor is arranged vertically upward , the middle position of the first rotating rod is set on the output shaft of the rotating motor, and the two slide rails are arranged symmetrically on the bottom side wall of the first accommodating chamber, and each of the slide rails is provided with a rail sliding fit moving block, the two ends of the two second rotating rods are respectively arranged on the two ends of the first rotating rod and connected to the two ends of the first rotating rod respectively, each of the second rotating rods The other end is arranged on the corresponding moving block and is connected with the moving block in rotation. The top of each moving block is provided with a sliding block, and the partition plate is provided with a sliding groove. Each of the sliding blocks is connected with the sliding groove. Sliding fit, each of the sliding blocks is provided with a vertically arranged first compression plate.

Further, the second compression member includes a moving plate, a second compression plate, two rotating motors and two threaded rods, storage slots are provided on the side wall of the compression box, and the two rotating motors are symmetrically arranged on On the side wall of the compression box, the two threaded rods are symmetrically arranged on the compression box and the two ends of the two threaded rods are respectively connected to the compression box in rotation, and the two threaded rods are respectively fixed to the output shafts of the two rotating motors connection, the moving plate is set on two threaded rods and threaded with the two threaded rods, the two ends of the moving plate are respectively slidingly fitted with the compression box, and the moving plate is provided with a threaded connection with the two threaded rods The threaded holes, the second compression plate is horizontally arranged at the bottom of the moving plate.

Further, the third compression part includes a third compression plate, two lifting motors and two lifting plates, and the two lifting motors are symmetrically arranged on the top of the compression box, and each of the lifting motors has an output shaft A rotating gear is provided, and the compression box is provided with two symmetrically arranged fixed frames, both of which are fixedly connected with the compression box, and the two lifting plates are respectively arranged on the two fixed frames and connected to the two fixed frames respectively. Each of the lifting plates is provided with a number of tooth grooves, each of the rotating gears is meshed with the tooth grooves, and the third compression plate is fixed on the bottom of the two lifting plates.

Further, the moving assembly includes a vehicle plate, a fixed frame, a rotating shaft and two rotating wheels, the vehicle plate is arranged horizontally, the fixed frame is arranged at the front end of the vehicle plate, and the fixed frame is fixedly connected with the vehicle plate , the fixed frame is provided with a mounting groove, the mounting groove is provided with an insertion rod, the bottom of the vehicle plate is provided with two symmetrically arranged mounting seats, and the two ends of the rotating shaft are respectively connected with the two mounting seats Rotationally connected, the two rotating wheels are respectively arranged at the two ends of the rotating shaft.

Further, the cleaning assembly includes a cleaning fan and a delivery pipe, the cleaning fan is set on the top of the vehicle plate and is located under the installation frame, one end of the delivery pipe is set at the input end of the cleaning fan, and the other end of the delivery pipe is One end communicates with the storage tank on the compression box, and the side wall of the second accommodating chamber is provided with a plurality of ventilation holes communicated with the storage tank.

Further, both sides of the second compression plate are in sliding fit with the two first compression plates, and the third compression plate is in sliding fit with the second compression plate and the two first compression plates.

Further, a handle is provided on the opening and closing door.

The beneficial effect that the present invention has compared with prior art is:

First, after the present invention puts the straw into the compression box, the first compression part moves to compress the left and right sides of the straw, and the second compression part compresses the straw. After the straw is compressed, the top of the straw is compressed through the third compression part. After the compression operation is completed, the dust in the compression box is cleaned through the cleaning component, so as to realize the comprehensive compression operation of the straw and compress the straw The volume is smaller to solve the technical problem that the straw can only be compressed in one direction in the prior art, resulting in a relatively large volume of the straw after compression, which affects the storage and transportation of the straw.

Its two, in the present invention, the rotating motor drives the first rotating rod to rotate, and the rotation of the first rotating rod drives the rotation of the two second rotating rods, and the rotation of the two second rotating rods drives the two moving blocks to slide on the two slide rails. The movement of the first moving block drives the two sliding blocks to slide on the sliding groove, the movement of the two sliding blocks drives the two first compression plates to move towards each other, and the two first compression plates move towards each other to compress the left and right ends of the straw.

Its three, among the present invention, two rotating motors rotate and drive two threaded rods to rotate on the compression box, and the rotation of two threaded rods drives the moving plate to move, and the moving plate moves to drive the second compression plate to move to compress one side of the stalk.

Its four, in the present invention, two lifting motors rotate and drive two rotating gears to rotate, and two rotating gears rotate and drive the tooth grooves on the two lifting plates to move so as to drive the two lifting plates to move up and down on the two fixed frames. The up and down movement of the first lifting plate drives the up and down movement of the third compression plate, and the movement of the third compression plate compresses the top of the straw.

Fifth, after the present invention compresses the straw, the cleaning fan works to transport the wind to the storage tank through the conveying pipe, and transports the wind to the second storage chamber through a number of ventilation holes, and cleans the compression box 1, It is beneficial to the next straw compression operation.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram 1 of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram II of the present invention;

Fig. 3 is a schematic diagram of a partial three-dimensional structure of the present invention;

Fig. 4 is the top view of the present invention;

Fig. 5 is a sectional view along line A-A in Fig. 4;

Fig. 6 is a three-dimensional schematic diagram of the first compression member of the present invention;

Fig. 7 is a schematic diagram of the three-dimensional structure of the second compression member of the present invention;

Fig. 8 is a schematic perspective view of the third compression member of the present invention.

The labels in the figure are:

Compression box 1, partition plate 11, first storage chamber 12, second storage chamber 13, storage tank 15, opening and closing door 16, handle 17, fixed frame 18, air hole 19, moving assembly 2, vehicle board 21, fixed frame 22, rotating shaft 23, rotating wheel 24, inserting rod 25, compression assembly 3, first compression member 31, rotating motor 311, first rotating rod 312, second rotating rod 313, slide rail 314, moving block 315, sliding block 316, the first compression plate 317, the second compression piece 32, the moving plate 321, the second compression plate 322, the rotating motor 323, the threaded rod 324, the third compression piece 33, the third compression plate 331, the lifting motor 332, the lifting plate 333, tooth groove 3331, rotating gear 334, cleaning assembly 4, cleaning fan 41, delivery pipe 42, mounting frame 5.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

Referring to Figures 1 to 8, it can be known that the present invention provides a compression device for a straw baler, including a compression box 1, a moving assembly 2, a compression assembly 3 and a cleaning assembly 4, the moving assembly 2 is provided with a mounting frame 5, The compression box 1 is arranged on the top of the installation frame 5, one end of the cleaning assembly 4 is arranged on the top of the moving assembly 2 and below the installation frame 5, and the other end of the cleaning assembly 4 extends into the compression box 1, The compression box 1 is provided with a partition 11 arranged horizontally, and the partition 11 divides the compression box 1 into a first accommodating chamber 12 and a second accommodating chamber 13, and the compression assembly 3 includes a first compression member 31, The second compression part 32 and the third compression part 33, the first compression part 31 is arranged at the bottom of the compression box 1 and is located in the first accommodation chamber 12, the first compression part 31 is in sliding fit with the partition plate 11, The second compression part 32 is arranged on the compression box 1 and is slidably fitted with the compression box 1, the third compression part 33 is arranged on the top of the compression box 1 and is slidably fitted with the compression box 1, and the side of the compression box 1 There is an inlet and outlet connected to the second chamber 13 on the wall, and an opening and closing door 16 hinged with the side wall of the compression box 1 is provided at the inlet and outlet; the moving component 2 can drive the whole device to move, put the straw into After compressing the box 1, the first compressing part 31 moves to compress the left and right sides of the straw, and the second compressing part 32 compresses the straw. After the first compressing part 31 and the second compressing part 32 compress the straw , the top of the straw is compressed by the third compression member 33, and after the compression operation is completed, the dust in the compression box 1 is cleaned by the cleaning assembly 4.

The first compression member 31 includes a rotating motor 311, a first rotating rod 312, two second rotating rods 313 and two slide rails 314, the rotating motor 311 is arranged at the bottom of the compression box 1 and the conveying of the rotating motor 311 The shaft is set vertically upwards, the middle position of the first rotating rod 312 is set on the output shaft of the rotating motor 311, and the two slide rails 314 are symmetrically set on the bottom side wall of the first accommodation chamber 12, each of which The slide rails 314 are all provided with a moving block 315 that slides with the slide rails 314, and the two ends of the two second rotating rods 313 are respectively arranged on the two ends of the first rotating rod 312 and are connected with the first rotating rod 312 respectively. The two ends of each of the second rotating rods 313 are arranged on the corresponding moving block 315 and are connected in rotation with the moving block 315. The top of each moving block 315 is provided with a sliding block 316, The dividing plate 11 is provided with a sliding groove, and each of the sliding blocks 316 is slidably matched with the sliding groove, and each of the sliding blocks 316 is provided with a vertically arranged first compression plate 317; the rotating motor 311 drives The first rotating rod 312 rotates, and the first rotating rod 312 rotates to drive two second rotating rods 313 to rotate, and the rotation of the two second rotating rods 313 drives two moving blocks 315 to slide on the two slide rails 314, and the two moving blocks The movement of 315 drives the two sliding blocks 316 to slide on the sliding groove, and the movement of the two sliding blocks 316 drives the two first compression plates 317 to move towards each other, and the two first compression plates 317 move towards each other to compress the left and right ends of the straw.

The second compression member 32 includes a moving plate 321, a second compression plate 322, two rotating motors 323 and two threaded rods 324. The side wall of the compression box 1 is provided with a storage groove 15, and the two rotating The motor 323 is symmetrically arranged on the side wall of the compression box 1, and the two threaded rods 324 are symmetrically arranged on the compression box 1 and the two ends of the two threaded rods 324 are respectively rotatably connected with the compression box 1. 324 are respectively fixedly connected with the output shafts of the two rotating motors 323, the moving plate 321 is arranged on the two threaded rods 324 and threadedly matched with the two threaded rods 324, the two ends of the moving plate 321 are respectively connected with the compression box 1 Sliding fit, the moving plate 321 is provided with threaded holes threaded with the two threaded rods 324, the second compression plate 322 is horizontally arranged at the bottom of the moving plate 321; two rotating motors 323 rotate to drive the two threaded rods 324 rotates on the compression box 1, and the rotation of the two threaded rods 324 drives the moving plate 321 to move, and the movement of the moving plate 321 drives the second compression plate 322 to move to compress one side of the straw.

The third compression member 33 includes a third compression plate 331, two lifting motors 332 and two lifting plates 333, the two lifting motors 332 are symmetrically arranged on the top of the compression box 1, and each of the lifting motors 332 Rotating gears 334 are provided on the output shafts, and the compression box 1 is provided with two symmetrically arranged fixed frames 18, both of which are fixedly connected with the compression box 1, and the two lifting plates 333 are respectively arranged On the two fixed frames 18 and slidingly fit with the two fixed frames 18 respectively, each of the lifting plates 333 is provided with a number of tooth grooves 3331, and each of the rotating gears 334 is meshed with the tooth grooves 3331. The third compression plate 331 is fixed on the bottom of the two lifting plates 333; the rotation of the two lifting motors 332 drives the rotation of the two rotating gears 334, and the rotation of the two rotating gears 334 drives the tooth grooves 3331 on the two lifting plates 333 to move so as to drive the two Two lifting plates 333 move up and down on the two fixed frames 18, and the two lifting plates 333 move up and down to drive the third compression plate 331 to move up and down, and the third compression plate 331 moves to compress the top of the straw.

Described moving assembly 2 comprises car plate 21, fixed frame 22, rotating shaft 23 and two rotating wheels 24, and described car plate 21 is horizontally arranged, and described fixed frame 22 is arranged on the front end of car plate 21, and described fixed frame 22 is fixedly connected with the car plate 21, the fixed frame 22 is provided with a mounting groove, the mounting groove is provided with an insertion rod 25, and the bottom of the car plate 21 is provided with two symmetrically arranged mounting seats, and the rotating The two ends of the shaft 23 are respectively connected in rotation with the two mounts, and the two rotating wheels 24 are respectively arranged at the two ends of the rotating shaft 23; The compression box 1 is installed and fixed, and the two rotating wheels 24 rotate on the two mounting seats through the rotating shaft 23, so that the device can be moved to any position to compress the stalks.

The cleaning assembly 4 includes a cleaning fan 41 and a delivery pipe 42, the cleaning fan 41 is arranged on the top of the vehicle plate 21 and is located below the mounting frame 5, and one end of the delivery pipe 42 is arranged at the input end of the cleaning fan 41, so The other end of the conveying pipe 42 communicates with the storage tank 15 on the compression box 1, and the side wall of the second accommodation chamber 13 is provided with some air holes 19 which communicate with the storage tank 15; , the cleaning fan 41 works to transport the wind to the storage tank 15 through the delivery pipe 42, and transports the wind to the second receiving chamber 13 through a plurality of ventilation holes 19, and the compression box 1 is cleaned.

Both sides of the second compression plate 322 are slidingly fitted with the two first compression plates 317, and the third compression plate 331 is slidingly fitted with the second compression plate 322 and the two first compression plates 317; the second compression plate 322 The sliding cooperation with the two first compression plates 317 can realize the compression operation of the straw in the horizontal direction, and the sliding cooperation with the second compression plate 322 and the two first compression plates 317 can realize the vertical direction of the straw compression operation. Compress the job.

The opening and closing door 16 is provided with a handle 17; after the straw is compressed, pull the handle 17 to open the opening and closing door 16, and take out the compressed straw.

Working principle of the present invention: when the present invention is in use, pull the handle 17 to open the opening and closing door 16, put the straw into the compression box 1, and the two rotating wheels 24 rotate on the two mounting seats through the rotating shaft 23, so that the The device moves to any position to compress the straw, the rotating motor 311 drives the first rotating rod 312 to rotate, the first rotating rod 312 rotates to drive the two second rotating rods 313 to rotate, and the two second rotating rods 313 rotate to drive the two moving The block 315 slides on the two slide rails 314, the movement of the two moving blocks 315 drives the two sliding blocks 316 to slide on the sliding grooves, the movement of the two sliding blocks 316 drives the two first compression plates 317 to move towards each other, and the two first compression plates 317 move toward each other. The compression plates 317 move in opposite directions to compress the left and right ends of the straw. The two rotating motors 323 rotate to drive the two threaded rods 324 to rotate on the compression box 1. The rotation of the two threaded rods 324 drives the moving plate 321 to move, and the moving plate 321 moves Drive the second compression plate 322 to move to compress one side of the straw, the two lifting motors 332 rotate to drive the two rotating gears 334 to rotate, and the two rotating gears 334 rotate to drive the tooth grooves 3331 on the two lifting plates 333 to move to drive The two lifting plates 333 move up and down on the two fixed frames 18, the two lifting plates 333 move up and down to drive the third compression plate 331 to move up and down, and the third compression plate 331 moves to compress the top of the straw. After compression, the cleaning blower 41 works to transport the wind to the storage tank 15 through the conveying pipe 42, and transports the wind to the second accommodation chamber 13 through a plurality of ventilation holes 19, and cleans the compression box 1. After compression, pull the handle 17 to open the opening and closing door 16, and the compressed straw is taken out.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (8)

1. a straw baler compression device, characterized in that: comprise compression box (1), mobile assembly (2), compression assembly (3) and cleaning assembly (4), described mobile assembly (2) is provided with Mounting frame (5), the compression box (1) is arranged on the top of the mounting frame (5), and one end of the cleaning assembly (4) is arranged on the top of the moving assembly (2) and below the mounting frame (5) , the other end of the cleaning assembly (4) extends into the compression box (1), the compression box (1) is provided with a partition (11) arranged horizontally, and the partition (11) compresses the box ( 1) Divided into a first accommodating chamber (12) and a second accommodating chamber (13), the compression assembly (3) includes a first compression member (31), a second compression member (32) and a third compression member (33 ), the first compression member (31) is arranged at the bottom of the compression box (1) and is located in the first accommodation cavity (12), the first compression member (31) is slidingly fitted with the partition (11), The second compression part (32) is arranged on the compression box (1) and is slidingly fitted with the compression box (1), and the third compression part (33) is arranged on the top of the compression box (1) and is in contact with the compression box ( 1) Sliding fit, the side wall of the compression box (1) is provided with an inlet and outlet that communicates with the first accommodation chamber (12) and the second accommodation chamber (13), and the inlet and outlet are provided with the compression box ( 1) The opening and closing door (16) that side wall is hinged. 2. A straw baler compression device according to claim 1, characterized in that: the first compression member (31) includes a rotating motor (311), a first rotating rod (312), two second Rotating rod (313) and two slide rails (314), described rotating motor (311) is arranged on the bottom of compression box (1) and the conveying shaft of rotating motor (311) vertically upwards is arranged, and described first rotating rod The middle position of (312) is arranged on the output shaft of rotating motor (311), and two described slide rails (314) are symmetrically arranged on the bottom side wall of first accommodating chamber (12), and each described slide rail ( 314) are provided with a moving block (315) slidingly matched with the slide rail (314), and the two ends of the two second rotating rods (313) are respectively arranged on the two ends of the first rotating rod (312) and respectively The two ends of the first rotating rod (312) are rotatably connected, and the other end of each second rotating rod (313) is arranged on the corresponding moving block (315) and is rotatably connected with the moving block (315). The top of each of the moving blocks (315) is provided with a sliding block (316), and the partition plate (11) is provided with a sliding groove, and each of the sliding blocks (316) is slidably matched with the sliding groove, and each of the The first compression plates (317) arranged vertically are all provided on the sliding blocks (316). 3. A straw baler compression device according to claim 1, characterized in that: the second compression member (32) includes a moving plate (321), a second compression plate (322), two rotating motors (323) and two threaded rods (324), the side wall of the compression box (1) is provided with a storage tank (15), and the two rotating motors (323) are symmetrically arranged on the side of the compression box (1) On the wall, the two threaded rods (324) are symmetrically arranged on the compression box (1) and the two ends of the two threaded rods (324) are respectively rotatably connected with the compression box (1), and the two threaded rods (324) ) are respectively fixedly connected with the output shafts of two rotating motors (323), and the moving plate (321) is arranged on two threaded rods (324) and threadedly matched with the two threaded rods (324), and the moving plate ( The two ends of 321) are slidably matched with the compression box (1), the moving plate (321) is provided with threaded holes threaded with two threaded rods (324), and the second compression plate (322) is set horizontally At the bottom of the mobile plate (321). 4. A straw baler compression device according to claim 1, characterized in that: the third compression member (33) includes a third compression plate (331), two lifting motors (332) and two Lifting plate (333), two described lifting motors (332) are symmetrically arranged on the top of compression box (1), and the output shaft of each described lifting motor (332) is all provided with rotating gear (334), and described The compression box (1) is provided with two fixed frames (18) symmetrically arranged, and the two fixed frames (18) are all fixedly connected with the compression box (1), and the two lifting plates (333) are arranged on the two sides respectively. on the two fixed frames (18) and are slidingly matched with the two fixed frames (18) respectively, each of the lifting plates (333) is provided with a number of tooth slots (3331), and each of the rotating gears (334) is Engaged with the tooth groove (3331), the third compression plate (331) is fixed on the bottom of the two lifting plates (333). 5. A straw baler compression device according to claim 1, characterized in that: the moving assembly (2) includes a vehicle plate (21), a fixed frame (22), a rotating shaft (23) and two Rotating wheel (24), described vehicle plate (21) is horizontally arranged, and described fixed mount (22) is arranged on the front end of vehicle plate (21), and described fixed mount (22) is fixedly connected with vehicle plate (21), The fixed frame (22) is provided with a mounting groove, the mounting groove is provided with a plunger (25), and the bottom of the vehicle plate (21) is provided with two symmetrical mounting seats, and the rotating shaft ( The two ends of 23) are rotatably connected with the two mounting seats respectively, and the two rotating wheels (24) are respectively arranged at the two ends of the rotating shaft (23). 6. A straw baler compression device according to claim 5, characterized in that: the cleaning assembly (4) includes a cleaning fan (41) and a conveying pipe (42), and the cleaning fan (41) is set The top of the vehicle plate (21) is positioned under the mounting bracket (5), one end of the delivery pipe (42) is arranged on the input end of the cleaning blower fan (41), and the other end of the delivery pipe (42) is connected to the compression box The storage grooves (15) on the (1) are connected, and the side wall of the second accommodation chamber (13) is provided with a plurality of ventilation holes (19) connected to the storage grooves (15). 7. A compression device for a straw baler according to claim 4, characterized in that: two sides of the second compression plate (322) are slidingly fitted with two first compression plates (317), and the first compression plate (317) The three compression plates (331) are in sliding fit with the second compression plate (322) and the two first compression plates (317). 8. A straw baler compression device according to claim 1, characterized in that: the opening and closing door (16) is provided with a handle (17).