CN115369522B

CN115369522B - Air suction type opener for straw net forming

Info

Publication number: CN115369522B
Application number: CN202211171204.2A
Authority: CN
Inventors: 范臻
Original assignee: Changshu Wanlong Machinery Co ltd
Current assignee: Changshu Wanlong Machinery Co ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-07-14
Anticipated expiration: 2042-09-24
Also published as: CN115369522A

Abstract

The invention discloses an air suction opener for straw net forming, which comprises a feeding device, an opening mechanism and a net forming mechanism, wherein the feeding device is connected with the opening mechanism; the opening mechanism comprises a shell and an opening roller, the opening roller is rotatably arranged in the shell, the opening roller is driven by a motor to rotate, the surface of the opening roller is coated with comb needles, and straw fed by the feeding device is scattered by the comb needles; the net forming mechanism comprises a net belt conveyor, a filtering component, an air suction pipe and a fan, wherein the filtering component is arranged at an air suction inlet of the air suction pipe, the fan is connected with the air suction pipe, the air suction pipe is arranged in the net belt conveyor, and the air suction inlet of the air suction pipe is attached to the inner side of a net belt of the net belt conveyor; the air suction port is provided with a compression roller. According to the invention, the straw fed by the feeding device is scraped and scattered through the cooperation of the opening roller and the carding needle, so that the straw is in a grain-shaped structure, meanwhile, the straw in the scattering cavity is adsorbed on the mesh belt by utilizing the negative pressure generated by the fan through arranging the scattering cavity, and the laid straw is transported by the mesh bag conveyor.

Description

Air suction type opener for straw net forming

Technical Field

The invention relates to the field of straw utilization equipment, in particular to an air suction opener for straw web formation.

Background

The opener is a device for loosening the compacted and entangled straw raw material. Chinese patent CN 202881482U is an opener and includes this opener, and it includes the opening roller and sets up the opening roller group at opening roller circumference, takes the straw that feeding device sent into to opening roller group through opening roller, breaks up the straw through opening roller group, and then realizes the effect of opening. The opened straw can only be in a cotton shape, and cannot be formed into a net sheet for use. The straw is used as a recyclable resource, waste is changed into valuable, and the straw is made into a net sheet after being manufactured and processed and is used as a tray for rice seedling seeds, and the straw is directly inserted into a field along with the seeds, so that the defects of tray recycling and storage are overcome.

Disclosure of Invention

Aiming at the defects existing in the prior art, the main purpose of the invention is to overcome the defects of the prior art, and discloses an air suction opener for straw net forming, which comprises a feeding device, an opening mechanism and a net forming mechanism;

the feeding device comprises an upper feeding roller and a lower feeding roller which are arranged up and down oppositely, and straw is fed into the opening mechanism at a constant speed by utilizing the upper feeding roller and the lower feeding roller;

the opening mechanism comprises a shell and an opening roller, the opening roller is rotatably arranged in the shell, the opening roller is driven to rotate by a motor, the surface of the opening roller is coated with comb pins, and straw fed by the feeding device is scattered by the comb pins;

the net forming mechanism comprises a net belt conveyor, a filtering assembly, an air suction pipe and a fan, wherein the filtering assembly is arranged at an air suction inlet of the air suction pipe, the fan is connected with the air suction pipe, the air suction pipe is arranged in the net belt conveyor, and the air suction inlet of the air suction pipe is attached to the inner side of a net belt of the net belt conveyor;

and a press roll is arranged at the air suction opening.

Further, an included angle alpha between the comb needle and the radial direction of the opening roller is 20-35 degrees.

Further, a material outlet of the shell is provided with a drifting cavity in an extending mode, and the drifting cavity is connected with an air suction pipe of the net forming mechanism.

Further, the feeding port of the shell is connected with the blower through an air duct, and the blowing port of the air duct is positioned below the lower feeding roller.

Further, an air deflector is arranged at the outlet of the air duct, the air deflector comprises a front end and a rear end, the front end and the rear end are connected through guide plates arranged at intervals, and an air outlet is formed between the front end and the rear end and between the guide plates.

Further, the front end surface is concavely provided with a first air guide part connected with the air outlet and a second air guide part connected with the air blowing port, and the surfaces of the first air guide part and the second air guide part are arc-shaped.

Further, the mesh belt conveyor comprises a mesh belt, a frame, a driving roller, a driven roller and a gear motor, wherein the driving roller and the driven roller are arranged on the frame, the mesh belt covers the driving roller and the driven roller, and the gear motor is utilized to drive the driving roller to rotate; the air inlet of the air suction pipe is positioned between the two driven rollers.

Further, the filter assembly comprises at least one filter frame and a filter rope, a plurality of wire clamping parts are arranged at intervals in the circumferential direction of the filter frame, and the filter rope is clamped and wound on the wire clamping parts; the filter rope is provided with a plurality of filter hairs.

Further, a clamping groove is formed between the adjacent clamping line parts, and the filter rope is installed in the clamping groove.

Further, a positioning hole is concavely formed in the upper surface of the filter frame, and a positioning column matched with the positioning hole is convexly arranged on the lower surface of the filter frame.

The invention has the beneficial effects that:

according to the invention, the straw fed by the feeding device is scraped and scattered through the cooperation of the opening roller and the comb needle, so that the straw is in a text thread structure, meanwhile, the straw in the scattering cavity is uniformly adsorbed on a mesh belt by utilizing negative pressure generated by a fan through arranging the scattering cavity, and the paved straw is transported by a mesh bag conveyor; the comb needle angle is set, so that the straw can be conveniently separated from the comb needle while the scattering and small damage effects are ensured, and the phenomenon that the straw is damaged and broken and cannot form a net is avoided. The inlet end is additionally provided with the blowing mechanism, and the air flow in the shell is increased through the matching of the blowing mechanism and the air suction pipe, so that the straw is promoted to be uniformly adsorbed on the mesh belt in the shell. The wind is divided into two channels through the wind deflector, wherein one wind is used for promoting the straws to break away from the comb needles, and the other wind is used for promoting the straws to move in the shell, so that the net forming effect is improved.

Drawings

FIG. 1 is a schematic view of a suction opener for straw web formation according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic view of a coupling mechanism of an embodiment of a press roll;

FIG. 4 is a schematic view of a coupling mechanism of another embodiment of a press roll;

FIG. 5 is a schematic perspective view of an air deflector;

FIG. 6 is a side view of an air deflection;

FIG. 7 is a schematic perspective view of a filter assembly;

FIG. 8 is an enlarged view of B in FIG. 7;

FIG. 9 is a schematic illustration of the cooperation of the filter assembly with the suction tube, support plate;

FIG. 10 is a schematic illustration of the fit between filter cords;

the reference numerals are as follows:

1. the feeding device, 2, the opening mechanism, 4, the press roller, 11, the upper feeding roller, 12, the lower feeding roller, 21, the casing, 22, the opening roller, 23, the comb, 24, the drifting cavity, 25, the air duct, 26, the blower, 27, the air deflector, 271, the front end, 272, the rear end, 273, the deflector, 274, the air outlet, 2712, the first air guiding portion, 2712, the second air guiding portion, 2721, the shaft hole, 2722, the connecting hole, 31, the mesh belt conveyor, 32, the filter assembly, 33, the suction pipe, 34, the blower, 35, the support plate, 311, the mesh belt, 312, the frame, 313, the driving roller, 314, the driven roller, 321, the filter frame, 322, the filter rope, 331, the installation cavity, 332, the observation port, 351, the vent hole, 3211, the clip wire clamping portion, 3212, the clip groove, 3213, the positioning hole, 3214, the positioning post, 3221, the filter rope, 41, the bracket, 42, the guide rod, 43, the spring, 44, and the nut.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

An air suction opener for straw web-forming, as shown in fig. 1-2, comprises a feeding device 1, an opening mechanism 2 and a web-forming mechanism;

the feeding device 1 comprises an upper feeding roller 11 and a lower feeding roller 12 which are arranged up and down oppositely, and straw is conveyed into the opening mechanism 2 at a constant speed by using the upper feeding roller 11 and the lower feeding roller 12;

the opening mechanism 2 comprises a shell 21 and an opening roller 22, the opening roller 22 is rotatably arranged in the shell 21, the opening roller 22 is driven to rotate by a motor, the surface of the opening roller 22 is coated with comb pins 23, and straw fed by the feeding device 1 is scattered by the comb pins 23; specifically, the straw of the feeding device 1 is hooked by the carding wire through the high-speed rotation of the opening roller 22, so as to form the filiform straw.

The net forming mechanism comprises a net belt conveyor 31, a filtering component 32, an air suction pipe 33 and a fan 34, wherein the filtering component 32 is arranged at an air suction inlet of the air suction pipe 33, the fan 34 is connected with the air suction pipe 33, and air sucked into the air suction pipe 33 is filtered through the filtering component 32 so as to block scattered straws, prevent excessive scattered and broken straws from entering the air suction pipe 33 and the fan 34, and influence the normal operation of equipment. The air suction pipe 33 is arranged in the mesh belt conveyor 31, and an air suction inlet of the air suction pipe 33 is attached to the inner side of the mesh belt conveyor 31. The scattered straw is sucked through the air suction pipe 33, the traction force to the mesh belt conveyor 31 is provided for the scattered straw, the scattered straw on the opening roller 22 is adsorbed on the mesh belt, and then the scattered straw is conveyed through the mesh belt conveyor 31. The air suction port is provided with a compression roller 4. Because the straw adsorbed on the mesh belt is in a fluffy state, and the adsorption position is in an inclined plane, the risk of straw sliding off can occur when the straw leaves the air suction port, and therefore, the straw is compressed by the compression roller 4, so that the straw is not easy to loosen. In this embodiment, as shown in fig. 3, a support 41 is disposed on the casing 21, a guide rod 42 is slidably disposed on the support 41, two ends of the guide rod 42 are respectively rotatably connected with the press roller 4 through a shaft sleeve, a spring 43 is sleeved on the guide rod 42, two ends of the spring 43 respectively act on the support 41 and the shaft sleeve, a threaded section is disposed at the other end of the guide rod 42, a nut 44 is disposed on the threaded section, and the guide rod 42 is further disposed on the support 41, so that floating connection of the press roller 41 is realized. In another embodiment, as shown in fig. 4, two ends of the press roller 4 are provided with shaft sleeves, and the press roller is rotationally connected with the shaft sleeves; screw threads are arranged on the guide rod 42, a fixing hole is arranged on the bracket 41, the guide rod 42 penetrates through the fixing hole, and nuts 44 are respectively arranged on two sides of the bracket 41 so as to realize the fixed connection of the press roller 4. In addition, a reducing motor can be additionally arranged to drive the compression roller 4 to rotate; of course, the device can also be driven by directly using a gear motor of the mesh belt conveyor; preferably, the diameter of the pressing roller 4 may be set to be the same as that of the driven roller 314, and thus the pressing roller 4 and the driven roller 314 are connected by gears to achieve synchronous rotation.

In one embodiment, as shown in fig. 2, the angle α between the comb 23 and the radial direction of the opening roller 22 is 20 ° -35 °. When the straw opening machine works, the opening roller 22 rotates anticlockwise, and then the straw is hooked through the tip of the comb needle 23, so that thicker straw is scattered.

In one embodiment, as shown in FIG. 1, the outlet of the housing 21 extends through the drift chamber 24, and the drift chamber 24 is connected to the suction duct 33 of the web-forming mechanism. The suction pipe 33 attracts the straw in the scattering chamber 24 to adsorb the straw on the mesh belt of the mesh belt conveying mechanism 1. By providing the drift chamber 24, a drift space is provided for the straw, promoting the straw to be uniformly adsorbed on the mesh belt.

In one embodiment, as shown in fig. 1, the blower 26 is connected to the feed port of the housing 21 through the air duct 25, and the air port of the air duct 25 is located below the lower feed roller 12. The air duct 25 blows air into the casing 21, and the air suction pipe 33 of the casing 21 sucks air, and the air suction pipe are matched with each other to improve the wind speed and further improve the suction force of the wind.

In the above embodiment, as shown in fig. 1, 5 and 6, the air deflector 27 is provided at the outlet of the air duct 25, and the air blown out of the air duct 25 is guided by the air deflector 27 to guide the direction of the air. Specifically, the air deflector 27 includes a front end 271 and a rear end 272, the front end 271 and the rear end 272 are connected to each other by a baffle 273 disposed at intervals, and an air outlet 274 is formed between the front end 271, the rear end 272 and the baffle 273. After the air guide plate 27 is mounted, a part of the air is blown out through the air outlet 274, and the other part of the air is blown out through the air passage formed between the front end 271 and the casing 21. The wind blown out from the air outlet 274 is blown toward the card wire 23 to blow the straw off the card wire 23. The wind blown from the front end 271 blows the straw to the scattering chamber 24 and promotes the straw to fly in the scattering chamber 24.

In an embodiment, as shown in fig. 1, 5 and 6, a first air guiding portion 2711 connected to the air outlet 274 and a second air guiding portion 2712 connected to the air outlet are concavely arranged on the surface of the front end 271, and the surfaces of the first air guiding portion 2711 and the second air guiding portion 2712 are arc-shaped. The side of rear end 272 of aviation baffle 27 sets up shaft hole 2721 and connecting hole 2722, and shaft hole 2721 passes through the axle and rotates with casing 21 to be connected, and connecting hole 2722 is the screw, sets up the adjustment tank on the casing 21, passes the adjustment tank through the screw and is connected with connecting hole 2722, and then realizes the angle modulation of aviation baffle 27.

In an embodiment, as shown in fig. 7-10, the mesh belt conveyor 31 comprises a mesh belt 311, a frame 312, a driving roller 313, a driven roller 314 and a gear motor (not shown), wherein the driving roller 313 and the driven roller 314 are arranged on the frame 312, the mesh belt 311 is covered on the driving roller 313 and the driven roller 314, the driving roller 313 and the driven roller 314 jointly support the mesh belt 311, and the driving roller 313 is driven by the gear motor to drive the mesh belt 311 to move, so that straw is conveyed. Wherein the driven rollers 314 are used to change the running direction of the mesh belt 311, a plurality of driven rollers 314 may be provided, and in this embodiment, 5 driven rollers are provided. The mesh belt 311 is stretched by the driving roller 313 and the driven roller 314, and an installation space is provided for the air suction pipe 33 and the fan 34.

In one embodiment, as shown in fig. 7-10, a viewing port 332 is further provided on the side wall of the air suction pipe 33, the viewing port 332 is covered by plastic glass, and the condition in the air suction pipe 33 is observed through the viewing port 332.

In one embodiment, as shown in fig. 7-10, the air inlet of the air suction duct 33 is located between two driven rollers 4.

In one embodiment, as shown in fig. 7-10, the filter assembly 32 includes at least one filter frame 321 and a filter rope 322, where a plurality of wire clamping portions 3211 are circumferentially spaced apart from the filter frame 321, and the filter rope 322 is clamped around the wire clamping portions 3211. The filter ropes 322 are wound on the wire clamping parts 3211 in a reciprocating manner, so that filter holes are formed between the filter ropes 322, and further straw filtration is realized. As shown, the opposite sides of the filter frame 321 are selected to be wound in an "S" shape for the conventional winding of the filter string 322. Of course, it is also possible to wind obliquely in an "S" shape.

In one embodiment, as shown in fig. 7-10, a slot 3212 is provided between adjacent wire clamping portions 3211, and the filter ropes 322 are installed in the slot 3212. The filter rope 322 is horizontally limited by the clamping groove 3212. Also, the clip groove 3212 is an open structure, which facilitates the installation of the filter string 322.

In one embodiment, as shown in FIGS. 7-10, plurality of bristles 3221 are provided on filter string 322. When the filter ropes 322 are wound on the filter frame 321, gaps exist between the filter ropes 322, and the filter ropes 3221 are mutually overlapped to form smaller filter holes so as to improve the filtering effect on straw scraps.

In one embodiment, as shown in fig. 7-10, the upper surface of the filter frame 321 is concavely provided with positioning holes 3213, and the lower surface is convexly provided with positioning posts 3214 matching the positioning holes 3213. In order to improve the filtering effect, a plurality of filter frames 321 may be stacked. In the present embodiment, the filter frame 321 is provided with two filter ropes 322, one of which is wound in the length direction of the filter frame 321 and the other of which is wound in the width direction of the filter frame 22; with the above structure, the filter holes in two directions are formed, and the filter effect of the filter assembly 32 is further improved. Of course, the number of the filter frames 321 is not limited to two, and more filter frames 321 may be provided according to actual needs.

In one embodiment, as shown in fig. 7-10, a support plate 35 is provided on the suction port, and a plurality of ventilation holes 351 are provided on the support plate 35. The mesh belt is supported by the support plate 35, and ventilation holes 351 are provided to ensure ventilation, so as to ensure suction to the straw. Specifically, the support plate 35 is fastened to the air inlet of the web forming mechanism, and the support plate 35 is fixed to the air suction duct 33 by bolts.

In one embodiment, as shown in fig. 7-10, a mounting cavity 331 is provided in the suction pipe 33, the filter assembly 32 is provided in the mounting cavity 331, and the support plate 35 is tightly attached to the support plate 35 by a rubber ring. The tightness between the supporting plate 35 and the filter assembly 32 is increased by the rubber ring; second, the seal ring may deform to a certain extent to secure the filter assembly 32 within the mounting cavity 331.

The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present invention.

Claims

1. An air suction opener for straw web formation is characterized by comprising a feeding device, an opening mechanism and a web formation mechanism;

a press roll is arranged at the air suction inlet;

a material outlet of the shell is provided with a drifting cavity in an extending way, and the drifting cavity is connected with an air suction pipe of the net forming mechanism;

the feeding port of the shell is connected with a blower through an air duct, and the blowing port of the air duct is positioned below the lower feeding roller;

an air deflector is arranged at the outlet of the air duct, the air deflector comprises a front end and a rear end, the front end and the rear end are connected with each other through guide plates arranged at intervals, and an air outlet is formed among the front end, the rear end and the guide plates;

the front end surface is concavely provided with a first air guide part connected with the air outlet and a second air guide part connected with the air blowing port, and the surfaces of the first air guide part and the second air guide part are arc-shaped;

the filter assembly comprises at least one filter frame and a filter rope, wherein a plurality of wire clamping parts are arranged at intervals in the circumferential direction of the filter frame, and the filter rope is clamped and wound on the wire clamping parts; a plurality of filter hairs are arranged on the filter rope;

and a clamping groove is formed between the adjacent clamping line parts, and the filter rope is arranged in the clamping groove.

2. A suction opener for straw web according to claim 1, characterized in that the angle α between the comb and the radial direction of the opener roller is 20 ° -35 °.

3. The suction opener for straw web according to claim 1, wherein the web conveyor comprises a web, a frame, a driving roller, a driven roller, and a gear motor, wherein the driving roller and the driven roller are disposed on the frame, the web is covered on the driving roller and the driven roller, and the gear motor is used to drive the driving roller to rotate; the air inlet of the air suction pipe is positioned between the two driven rollers.

4. The suction opener for straw web according to claim 1, wherein the upper surface of the filter frame is concavely provided with a positioning hole, and the lower surface is convexly provided with a positioning column matched with the positioning hole.