CN111015907A

CN111015907A - Production device of straw building blocks

Info

Publication number: CN111015907A
Application number: CN201911188026.2A
Authority: CN
Inventors: 王路明; 宦海祥; 钟栋青; 王上; 季杰; 蒋蕾
Original assignee: Jiangsu Heji New Material Technology Co Ltd
Current assignee: Jiangsu Heji New Material Technology Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-04-17

Abstract

The invention provides a production device of straw building blocks, which comprises a straw crushing barrel, a mixing barrel and a forming mechanism, wherein the straw crushing barrel is arranged on the mixing barrel; the straw crushing cylinder is sequentially provided with a feeding hole, an extrusion roller set, a cutting mechanism, a crushing roller set and a discharging hole from top to bottom; the straws are compacted by the extrusion roller set, cut off by the cutting mechanism and crushed by the crushing roller set and then flow into the mixing cylinder; the mixing cylinder comprises a straw inlet, a cement inlet, a stirring mechanism and a mixing outlet; uniformly stirring and mixing the materials to a forming mechanism; the forming mechanism comprises a conveyor belt, a mould placed on the conveyor belt and a hydraulic press fixed above the conveyor belt. According to the straw cutting machine, the cutting mechanisms are sequentially increased from top to bottom, so that straws can be cut into different lengths, and the cutting mechanisms are prevented from being wound and clamped by the straws; through setting up cage stirring portion to can be driven by the second motor and carry out the biography, simultaneously drive by first motor and carry out the revolution along with the first (mixing) shaft of L type, can realize the intensive mixing of materials such as the straw after smashing and cement.

Description

Production device of straw building blocks

Technical Field

The invention belongs to the technical field of building materials, and particularly relates to a production device of straw building blocks.

Background

The environment-friendly, energy-saving, safe and renewable building material is a development trend of novel building materials. The yield of the straw as a byproduct after the crop is harvested is high, the straw is mainly treated by burning, but the burning causes environmental pollution and waste of resources. At present, the application of straw to the production of building materials is a research hotspot, but the production equipment integrating straw treatment and straw building material forming is rare.

Disclosure of Invention

The invention provides a production device of straw building blocks, which can complete straw treatment and building block forming through integrated equipment, improves the production efficiency, and simultaneously realizes the reutilization of straws by using the straws for producing building materials.

The invention provides a production device of straw building blocks, which comprises a straw crushing barrel, a mixing barrel and a forming mechanism, wherein the straw crushing barrel is arranged on the mixing barrel; the straw crushing cylinder is sequentially provided with a feeding hole, an extrusion roller set, a cutting mechanism, a crushing roller set and a discharging hole from top to bottom; the feed inlet is arranged at the top of the straw crushing barrel, and straws enter the extrusion roller set from the feed inlet to be extruded; the extrusion roller group comprises a group of extrusion rollers horizontally arranged right below the feed inlet, and the rotation directions of the two extrusion rollers are opposite; the cutting mechanism comprises a plurality of rotary cutters which are sequentially arranged from top to bottom; the rotary cutter comprises a horizontal rotating shaft and a plurality of cutter groups which are arranged on the horizontal rotating shaft at equal intervals along the axial direction; the length of the horizontal rotating shaft is slightly smaller than the inner diameter of the straw crushing barrel, and the outer edge of the cutting knife group is close to the inner wall of the straw crushing barrel; the cutting knife groups on the horizontal rotating shaft from top to bottom are sequentially increased; the straws cut by the cutting mechanism enter a crushing wheel set to be extruded and crushed, and the crushing wheel set comprises two horizontally arranged crushing wheels with opposite movement directions; the straws are compacted by the extrusion roller set, cut off by the cutting mechanism and crushed by the crushing roller set and then flow into the mixing barrel from the discharge port; the mixing cylinder comprises a straw inlet, a cement inlet, a stirring mechanism and a mixing outlet; the straw inlet and the cement inlet are arranged at the top of the mixing cylinder, and the straw inlet is communicated with a discharge hole of the straw crushing cylinder; the stirring mechanism is arranged in the mixing cylinder and comprises a first motor, an L-shaped first stirring shaft, a guide plate, a second motor, a second stirring shaft and a cage type stirring part, wherein the L-shaped first stirring shaft is driven by the first motor; the mixing outlet is positioned at the bottom of the mixing cylinder, and the mixed materials are uniformly stirred and flow to the forming mechanism from the mixing outlet; the forming mechanism comprises a conveyor belt, a mould placed on the conveyor belt and a hydraulic machine fixed above the conveyor belt; the die receives and holds the mixture flowing down from the mixture outlet, and then the mixture is conveyed to the lower part of the hydraulic press through a conveying belt to be compacted; the hydraulic machine comprises a push rod and a pressing plate fixed below the push rod.

Preferably, the upper part of the straw crushing barrel is provided with a blower and a resistance wire positioned at an air inlet of the blower.

Preferably, the cutter set is composed of four blades uniformly spaced along the circumferential direction of the horizontal rotating shaft.

Preferably, the insert surface is coated with a wear resistant coating.

Preferably, the surface of the crushing wheel has an uneven tooth-shaped structure.

Preferably, the cage type stirring part is formed by bending a plurality of steel wires, and the cross-sectional area of the middle part of the cage type stirring part is larger than that of the upper end and the lower end.

The invention has the beneficial effects that:

1. according to the invention, the straw crushing cylinder, the mixing cylinder and the forming mechanism are integrally arranged, so that the production efficiency of the straw building block is improved;

2. according to the invention, the extrusion roller set is arranged below the feeding hole, so that the straws are extruded into a compact structure, and the straws are conveniently cut;

3. the upper part of the straw crushing barrel is provided with the air blower and the resistance wire positioned at the air inlet of the air blower, so that the straw crushing barrel is used for drying the straw, and the straw crushing barrel is beneficial to cutting and crushing the straw;

4. according to the straw crushing device, the cutting mechanism cuts off the straws firstly and then enters the crushing wheel set, so that the situation that the crushing wheel set is wound by the straws to cause incapability of working due to direct crushing of the straws can be avoided; meanwhile, the cutting mechanisms are arranged in a manner that the cutting knife groups on the horizontal rotating shafts are sequentially increased from top to bottom, so that the straws can be cut into different lengths, and the cutting mechanisms are prevented from being wound and clamped by the straws;

5. according to the invention, the guide plate is arranged on the vertical stirring shaft of the L-shaped first stirring shaft, so that the straws and the cement can be fully mixed; the cage type stirring part can be driven by the second motor to automatically transfer along with the second stirring shaft, and simultaneously driven by the first motor to revolve along with the L-shaped first stirring shaft, so that the crushed straws and cement and other materials can be fully mixed.

Drawings

FIG. 1 is a schematic structural view of the straw block production equipment of the present invention.

In the figure, 1, a straw crushing barrel, 2, a mixing barrel, 3, a feeding port, 4, a discharging port, 5, an extrusion roller, 6, a horizontal rotating shaft, 7, a cutting knife group, 9, a crushing wheel, 10, a straw inlet, 11, a cement inlet, 12, a mixing outlet, 13, a first motor, 14, an L-shaped first stirring shaft, 15, a guide plate, 16, a second motor, 17, a second stirring shaft, 18, a cage type stirring part, 19, a conveyor belt, 20, a mold, 21, a push rod, 22, a pressing plate and 23, and a blower fan.

Detailed Description

In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

The invention provides a production device of straw building blocks, which comprises a straw crushing barrel 1, a mixing barrel 2 and a forming mechanism as shown in figure 1. The straw crushing barrel 1 is used for crushing straw into a size which can be used for manufacturing building blocks. The mixing barrel 2 is used for fully mixing the crushed straw, cement, water and other materials and stirring the mixture into a pasty mixture. The forming mechanism is used for pressing the pasty mixture into the building block.

The straw crushing cylinder 1 is sequentially provided with a feeding hole 3, an extrusion roller set, a cutting mechanism, a crushing roller set and a discharging hole 4 from top to bottom. The feed inlet 3 is arranged at the top of the straw crushing barrel 1, and the straws enter the extrusion roller set from the feed inlet 3. The extrusion roller group comprises a group of extrusion rollers 5 which are horizontally arranged right below the feed opening 3, and the rotating directions of the two extrusion rollers 5 are opposite; the extrusion roller set extrudes the straws into a compact structure, so that the straws can be conveniently cut. Preferably, the upper part of the straw crushing barrel 1 is provided with a blower 23 and a resistance wire positioned at an air inlet of the blower 23, and the resistance wire is used for drying the straws, and the dried straws are convenient to cut and crush.

The cutting mechanism comprises a plurality of rotary cutters which are sequentially arranged from top to bottom. The rotary cutter comprises a horizontal rotating shaft 6 and a plurality of cutter groups 7 which are arranged on the horizontal rotating shaft 6 at equal intervals along the axial direction. The length of horizontal axis of rotation 6 slightly is less than the internal diameter of a broken section of thick bamboo 1 of straw, from last to increasing in proper order of the cutting knife tackle 7 on the horizontal axis of rotation 6 down, and this structure can realize cutting the straw into different length, avoids cutting mechanism to be twined by the straw and blocks. The cutting knife group 7 is composed of four blades which are uniformly arranged along the circumferential direction of the horizontal rotating shaft 6 at intervals, the outer edge of the cutting knife group 7 is close to the inner wall of the straw crushing barrel 1, and in order to prolong the service life of the blades, wear-resistant coatings can be coated on the surfaces of the blades. The straws cut by the cutting mechanism enter a crushing wheel set to be extruded and crushed.

The crushing wheel set comprises two horizontally arranged crushing wheels 9 with opposite movement directions; the surface of the crushing wheel 9 is provided with an uneven tooth-shaped structure. The straws are compacted by the extrusion roller set, cut off by the cutting mechanism and crushed by the crushing roller set and then flow into the mixing barrel 2 from the discharge port 4.

The mixing barrel 2 comprises a straw inlet 10, a cement inlet 11, a stirring mechanism and a mixing outlet 12. The straw inlet 10 and the cement inlet 11 are arranged at the top of the mixing barrel 2; the straw inlet 10 is communicated with the discharge hole 4 of the straw crushing barrel 1; the cement inlet 11 is used for introducing cement and water into the mixing bowl 2, and additives, modifiers, and the like for increasing the strength of the block may be introduced through the cement inlet 11.

The stirring mechanism is arranged in the mixing barrel 2 and comprises a first motor 13, an L-shaped first stirring shaft 14, a guide plate 15, a second motor 16, a second stirring shaft 17 and a cage type stirring part 18. The first (mixing) shaft 14 of L type is driven by first motor 13, be fixed with guide plate 15 on the vertical (mixing) shaft of the first (mixing) shaft 14 of L type, be equipped with a plurality of unloading holes on the guide plate 15, the unloading hole on the guide plate 15 of straw and cement after smashing falls into the middle part of mixing barrel 2, be fixed with second motor 16 on the horizontal (mixing) shaft of the first (mixing) shaft 14 of L type, be fixed with second (mixing) shaft 17 on the second motor 16, be fixed with cage stirring portion 18 on the second (mixing) shaft 17, cage stirring portion 18 can be driven by second motor 16 and carry out the autobiography along with second (mixing) shaft 17, cage stirring portion 18 carries out the revolution along with the first (mixing) shaft 14 of L type by first motor 13 drive simultaneously. The cage type stirring part 18 is formed by bending a plurality of steel wires, the cross sectional area of the middle part of the cage type stirring part 18 is larger than that of the upper end and the lower end, and the cage type stirring part 18 stirs materials such as crushed straws, cement and water, so that the materials are fully mixed and the pasty mixture is prevented from being condensed into a solid. The mixing outlet 12 is positioned at the bottom of the mixing barrel 2, and the uniformly stirred slurry mixture flows to the forming mechanism from the mixing outlet 12.

The forming mechanism comprises a conveyor belt 19, a mould 20 placed on the conveyor belt 19 and a hydraulic press fixed above the conveyor belt 19. The die 20 receives and holds the mixture flowing down from the mixing outlet 12 and then conveys the mixture to the lower part of the hydraulic press for compaction through a conveyor belt 19. The hydraulic machine comprises a push rod 21 and a press plate 22 fixed below the push rod 21. The push rod 21 drives the press plate 22 to apply pressure to the mold, and the mixture in the mold 20 is compacted to form a building block.

The working process of the production device of the straw building block is as follows: straws enter the straw crushing barrel 1 from the feeding hole 3, are extruded by the extrusion roller set, are cut by the cutting mechanism, and flow into the mixing barrel 2 from the discharging hole 4 after being crushed by the crushing roller set; crushed straws, cement, water and the like flow into the middle part of the mixing cylinder 2 through the discharging holes of the guide plate 15 and are fully stirred into a mixture through the cage type stirring part 18, and the mixture flows into the die 20 through the mixing outlet 12; the mould 20 is conveyed to the lower part of the hydraulic press by a conveyor belt 19 to be compacted, and the mixture in the mould 20 is compacted to form the building block.

The above are merely embodiments of the present invention, which are described in detail and with particularity, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are within the scope of the present invention.

Claims

1. The production device of the straw building block is characterized by comprising a straw crushing cylinder (1), a mixing cylinder (2) and a forming mechanism;

the straw crushing cylinder (1) is sequentially provided with a feeding hole (3), an extrusion roller set, a cutting mechanism, a crushing roller set and a discharging hole (4) from top to bottom; the feed inlet (3) is arranged at the top of the straw crushing barrel (1), and straws enter the extrusion roller set from the feed inlet (3) to be extruded; the extrusion roller group comprises a group of extrusion rollers (5) horizontally arranged right below the feed inlet (3), and the rotating directions of the two extrusion rollers (5) are opposite; the cutting mechanism comprises a plurality of rotary cutters which are sequentially arranged from top to bottom; the rotary cutter comprises a horizontal rotating shaft (6) and a plurality of cutter groups (7) which are arranged on the horizontal rotating shaft (6) at equal intervals along the axial direction; the length of the horizontal rotating shaft (6) is slightly smaller than the inner diameter of the straw crushing barrel (1), and the outer edge of the cutting knife group (7) is close to the inner wall of the straw crushing barrel (1); and the cutting knife groups (7) on the horizontal rotating shaft (6) from top to bottom are sequentially increased; the straws cut by the cutting mechanism enter a crushing wheel set to be extruded and crushed, and the crushing wheel set comprises two horizontally arranged crushing wheels (9) with opposite movement directions; the straws are compacted by the extrusion roller set, cut off by the cutting mechanism and crushed by the crushing roller set and then flow into the mixing barrel (2) from the discharge hole (3);

the mixing cylinder (2) comprises a straw inlet (10), a cement inlet (11), a stirring mechanism and a mixing outlet (12); the straw inlet (10) and the cement inlet (11) are arranged at the top of the mixing barrel (2), and the straw inlet (10) is communicated with the discharge hole (4) of the straw crushing barrel (1); the stirring mechanism is arranged in the mixing barrel (2) and comprises a first motor (13), an L-shaped first stirring shaft (14), a guide plate (15), a second motor (16), a second stirring shaft (17) and a cage stirring part (18), wherein the L-shaped first stirring shaft (14) is driven by the first motor (13), the guide plate (15) is fixed on a vertical stirring shaft of the L-shaped first stirring shaft (14), a plurality of blanking holes are formed in the guide plate (15), the second motor (16) is fixed on a horizontal stirring shaft of the L-shaped first stirring shaft (14), the second stirring shaft (17) is fixed on the second motor (16), and the cage stirring part (18) is fixed on the second stirring shaft (17); the mixing outlet (12) is positioned at the bottom of the mixing barrel (2), and the uniformly stirred mixture flows to the forming mechanism from the mixing outlet (12);

the forming mechanism comprises a conveyor belt (19), a mould (20) placed on the conveyor belt (19) and a hydraulic machine fixed above the conveyor belt (19); the die (20) receives and contains the mixed material flowing down from the mixed material outlet (12), and then the mixed material is conveyed to the lower part of the hydraulic press through a conveying belt (19) to be compacted; the hydraulic machine comprises a push rod (21) and a pressing plate (22) fixed below the push rod (21).

2. The straw block production device according to claim 1, wherein the upper part of the straw crushing cylinder (1) is provided with a blower (23) and a resistance wire positioned at an air inlet of the blower (23).

3. The straw block production device according to claim 1, wherein the cutter set (7) is composed of four blades uniformly spaced along the circumferential direction of the horizontal rotating shaft (6).

4. The straw block production device of claim 3, wherein the blade surface is coated with a wear resistant coating.

5. The straw block production device according to claim 1, wherein the surface of the crushing wheel (9) has an uneven tooth-shaped structure.

6. A straw block production apparatus as claimed in claim 1, wherein the cage-type stirring part (18) is formed by bending a plurality of steel wires, and the cross-sectional area of the middle part of the cage-type stirring part (18) is larger than that of the upper and lower ends.