CN209983129U

CN209983129U - Novel straw pulverizer

Info

Publication number: CN209983129U
Application number: CN201920617077.1U
Authority: CN
Inventors: 白云君; 王旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-01-24
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a novel straw pulverizer, which comprises a hopper, a power device, a pulverizing box, a main frame body and a conveying mechanism, wherein the hopper comprises a circular shell and a hopper bottom, the hopper bottom frame is fixed with the main frame body, and the circular shell is driven by a driving device to rotate around the center of the hopper; the bottom of the hopper is provided with a feeding port, and feeding adjusting plates are arranged on two sides of the feeding port; the top end of the crushing box is provided with a feeding hole corresponding to the feeding hole, the bottom of the crushing box is provided with a discharging hole, and the lower end of the discharging hole is provided with a conveying mechanism; the crushing box comprises crushing cutters and fixed cutters uniformly connected with the side plates of the crushing box at intervals, and the crushing cutters are coaxially fixed with the output shaft of the motor. After the product is optimized, the crushing efficiency is greatly improved, the environmental pollution is reduced, and the energy is saved.

Description

Novel straw pulverizer

Technical Field

The invention relates to the technical field of biofuel processing, in particular to a novel straw pulverizer.

Background

In the prior art, a utility model patent with patent number 201320598332.5 is published, and the patent name is a biomass fuel crushing apparatus, and above-mentioned patent is not obvious to straw crushing effect, and output is low to there is following shortcoming: 1. the crushing equipment cannot adjust the feeding amount and the yield; 2. the rotor has small diameter and low linear velocity, and is easy to generate material winding; 3. the screen mesh in the equipment is easy to cause material blockage in the running process of the machine; 4. the device has the phenomena of incomplete crushing and low crushing efficiency in use.

Disclosure of Invention

In order to overcome the defects in the prior art, the straw pulverizer which can control the yield, is energy-saving and environment-friendly and has high working efficiency is provided.

The technical scheme of the utility model as follows: the automatic grinding machine comprises a hopper, a power device, a grinding box, a main frame body and a conveying mechanism, wherein the hopper comprises a circular shell and the bottom of the hopper;

the bottom of the hopper is provided with a feeding port, and feeding adjusting plates are arranged on two sides of the feeding port; the top end of the crushing box is provided with a feeding hole corresponding to the feeding hole, the bottom of the crushing box is provided with a discharging hole, and the lower end of the discharging hole is provided with a conveying mechanism;

the crushing box comprises crushing cutters and fixed cutters uniformly connected with the side plates of the crushing box at intervals, and the crushing cutters are coaxially fixed with the output shaft of the motor.

The driving device drives the circular shell to do axial motion around the center of the hopper.

The feeding adjusting plate is far away from pay-off mouth one end and connects in the hopper bottom, specifically says so and is in the same place through hinge connection for the adjusting plate can rotate around the hinge, and is close to and is connected with adjustable bolt between feeding adjusting plate one end and the hopper bottom, thereby makes feeding adjusting plate and hopper bottom be the angle and change through adjusting bolt's height.

And a scraper is arranged on the inner wall of the circular shell.

The crushing cutter comprises a rotor cutter head and a fly cutter which are connected through a rotating shaft.

The crushing box side plates are arranged around the outer side of the rotor cutter head and are in a 90-degree arc shape. The number of the crushing boxes is 1-2, the number of the crushing boxes is the same as that of the corresponding power devices, and the number of the crushing boxes is the same as that of the feeding ports.

The diameter of the rotor cutter head is 700 mm; the length of the fly-away cutter is 400 mm and 600 mm, and the number of the fly-away cutters is 18-36.

And a connecting piece is arranged between the fixed cutter and the side plate of the crushing box and used for adjusting a cutting gap between the fixed cutter and the fly cutter, and the gap is 10-50 mm.

The number of the fixed knives is 2-10.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the top view structure of the present invention.

Fig. 3 is a schematic view of the structure of the crushing cutter set of the present invention.

Fig. 4 is a schematic view of the inside overlooking structure of the hopper of the present invention.

Fig. 5 is a schematic view of the scraper structure of the present invention.

Fig. 6 is a schematic side view of the feeding adjustment plate of the present invention.

In the figure, 1 is a hopper, 2 is a driving device, 3 is a fly cutter, 4 is a rotor cutter head, 5 is a fixed cutter, 6 is a conveying mechanism, 7 is a crushing box side plate, 8 is a crushing box, 9 is a power device, 10 is a circular shell, 11 is a scraping plate, 12 is a feeding adjusting plate, 13 is a feeding port, 14 is an adjustable bolt, 15 is a hopper bottom, 16 is a hopper bottom frame, and 17 is a main frame body.

Detailed Description

1. According to fig. 1-6, the utility model discloses a, including hopper (1), power device (9), crushing case (8), the body frame body (17), transport mechanism (6), its characterized in that: the hopper (1) comprises a circular shell (10) and a hopper bottom (15), a hopper bottom frame (16) and a main frame body (17) are fixed together, and the circular shell (10) is driven by a driving device (2) to rotate around the center of the hopper;

a feeding port (13) is formed in the bottom (15) of the hopper, and feeding adjusting plates (12) are mounted on two sides of the feeding port (13); an adjusting plate is arranged on one side edge.

A feed inlet corresponding to the feed port (13) is formed in the top end of the crushing box (8), a discharge port is formed in the bottom of the crushing box (8), and a conveying mechanism (6) is arranged at the lower end of the discharge port;

the crushing box (8) comprises crushing cutters and crushing box side plates (7) which are arranged at intervals

A stationary knife (5) which is evenly connected, the crushing knife is coaxial with the output shaft of the motor

And (4) fixing.

The driving device (2) drives the circular shell (10) to do axial motion around the center of the hopper, and the driving device is in gear transmission.

One end, far away from the feeding port (13), of the feeding adjusting plate (12) is rotatably connected to the bottom (15) of the hopper, an adjustable bolt (14) is connected between one end, close to the feeding port (13), of the feeding adjusting plate and the bottom (15) of the hopper, the height of the adjustable bolt (14) is adjusted, so that the angle formed by the feeding adjusting plate (13) and the bottom (15) of the hopper is changed, the minimum angle can be 0, and when the angle is 0, the resistance of the adjusting plate to the material is also 0; when the adjusting plate is adjusted to be high, after the adjusting plate reaches a certain height, the height of the adjusting plate can be higher than the extending height of the fly cutter, so that the fly cutter cannot cut materials, and the feeding amount of the materials is controlled.

The inner wall of the circular shell (10) is provided with scrapers (11), and the number of the scrapers can be 4-8.

The crushing cutter comprises a rotor cutter head (4) and a fly cutter (3) which are connected through a rotating shaft.

The crushing box side plates (7) are arranged around the outer side of the rotor cutter head (4) and are in a 90-degree arc shape.

The number of the crushing boxes (8) is the same as that of the corresponding power devices (9) and the number of the crushing boxes is the same as that of the feeding ports (14).

The diameter of the rotor cutter head (4) is 700 mm; the fly cutter (3) is not suitable to be set to be too long because the too long length can affect the power of the motor; the number of fly blades in one group of crushing boxes is 18, and if two groups of crushing boxes are configured, the number of fly blades is 36.

The upper surface of the fixed knife is provided with a hole for inserting a positioning pin, the position of the fixed knife on the side plate of the crushing box is changed by adjusting the position of the positioning pin, and finally, the gap between the fixed knife and the fly knife is determined.

The diameter of the hopper (1) is different according to the output of the equipment.

The utility model discloses a theory of operation does: the material enters from the hopper (1), the scraper (11) in the hopper (1) is utilized to push the material to be uniformly introduced, a hopper bottom frame (16) is fixedly connected with a main frame body (17) provided with a power device and a crushing box, the material enters a feed inlet of the crushing box (8) through a feed port at the bottom of the hopper and is cut by a crushing cutter, the crushing cutter comprises a rotor cutter and fly cutters, the fly cutters are uniformly arranged on the circumference of the rotor cutter, the length of the fly cutters extends to the upper surface of the feed port of the hopper, according to the data of the equipment, the rotor cutter in one crushing box is composed of three discs, namely two sets of fly cutters run simultaneously, according to the dry and wet degree of the material and the feed quantity, the angle of a feed adjusting plate (12) and the bottom (15) of the hopper can be controlled to be raised, so that a certain degree of resistance is caused to the material to influence, meanwhile, the equipment can run stably, the power consumption is reduced, and the resources are saved; after the materials pass through the crushing cutter, the materials enter a crushing box (8) and are subjected to secondary cutting by the fixed cutter, the number of the fixed cutters (5) is 5, which is equivalent to that the materials are subjected to five times of cutting again, and the length of the crushed materials is adjusted by adjusting the gap between the fixed cutters (5) and the fly cutter (3), so that the crushing efficiency is increased; if one motor is set, the mounting position of the fixed knife is consistent with the rotating direction of the cutter head, and the fixed knife is set on the side plate of the crushing box and is in a 90-degree arc shape; if two motors are set, the number of the crushing boxes is two, the flying knives run in opposite directions, the mounting positions of the fixed knives are set on the inner side plates opposite to the two groups of crushing boxes, so that the materials are cut for multiple times, and finally the materials directly fall on the conveying mechanism (6), the equipment adopts a conveying belt for conveying, the load of the motors is reduced, and the conveying process is more stable; in order to improve the working efficiency of the pulverizer to the maximum, through a plurality of experiments, a parameter is obtained, the diameter of the hopper (1) is set to be 3.58m, two motors are arranged at the same time, two groups of pulverizing boxes (8) are driven to run simultaneously, two groups of rotor cutter discs (4) with the diameter of 700mm drive 36 fly cutters (3) with the length of 400 mm to run in opposite rotating directions, the installation positions of the corresponding fixed cutters (5) are consistent with the rotating directions, the gap between the fixed cutters (5) and the fly cutters (3) is set to be 10mm, and therefore the cutting amount of 20 tons/hour can be achieved.

Compared with the prior equipment, the equipment has the advantages that: 1. the diameter of a cutter head of the crushing box is unchanged, the length of the cutter head is shortened, dynamic balance is kept favorably, the rotating diameter is increased, the rotating speed is reduced, and the bearing is durable. The linear velocity increases. The winding performance is strong, and the soft material crushing effect is obviously improved. Compared with the original straw crusher, the yield of the straw crushing is improved by 3 times under the same power. The rotating diameter is increased by lengthening the length of the cutter. Meanwhile, the equipment can crush wood with the diameter of 10 mm.

2. The bottom plate of the previous pulverizer is provided with the screen, and the screen is removed by the device, so that no matter dry and wet materials are not blocked, power consumption is saved, entering foreign matters (such as stones, iron blocks and the like) hardly influence the whole device, and the foreign matters can be directly discharged through the discharge hole.

3. The feeding adjusting plate is added to the device, so that the feeding amount can be controlled, the device can run stably, the power consumption is reduced, and the resources are saved; and the specification of the finished product after crushing can be controlled by adjusting feeding.

4. The material passes through the clearance between fly sword and the stationary knife, and the direct dropping of after smashing is carried on the conveyer belt, and this kind of mode alleviates the load of motor, and the transportation process is more steady.

5. The machine is provided with two motors, two crushing boxes, one crushing hopper and one set of feeding equipment which are shared, so that the equipment investment is saved, but the workload is the same as the output of the two single-shaft crushers.

6. This equipment increases the design of stationary knife, and the length of grass after smashing is adjusted through the stationary knife, is equivalent to the breakage once more, has improved crushing efficiency greatly.

Claims

1. The utility model provides a novel straw rubbing crusher, it includes hopper, power device, smashes the case, and the body frame body, transport mechanism, motor, its characterized in that: the hopper comprises a circular shell and a hopper bottom, a hopper bottom frame is fixed with the main frame body, and the circular shell is driven by a driving device to rotate around the center of the hopper;

the bottom of the hopper is provided with a feeding port, and feeding adjusting plates are arranged on two sides of the feeding port;

the top end of the crushing box is provided with a feeding hole corresponding to the feeding hole, the bottom of the crushing box is provided with a discharging hole, and the lower end of the discharging hole is provided with a conveying mechanism;

2. The novel straw pulverizer as claimed in claim 1, wherein: the driving device drives the circular shell to do axial motion around the center of the hopper.

3. The novel straw pulverizer as claimed in claim 1, wherein: the feeding adjusting plate is connected to the bottom of the hopper at the end far away from the feeding port, an adjustable bolt is connected between the end close to the feeding port and the bottom of the hopper, and the height of the adjustable bolt is adjusted so that the angle formed by the feeding adjusting plate and the bottom of the hopper changes.

4. The novel straw pulverizer as claimed in claim 1, wherein: and a scraper is arranged on the inner wall of the circular shell.

5. The novel straw pulverizer as claimed in claim 1, wherein: the crushing cutter comprises a rotor cutter head and a fly cutter which are connected through a rotating shaft.

6. The novel straw pulverizer as claimed in claim 1, wherein: the crushing box side plates are arranged around the outer side of the rotor cutter head and are in a 90-degree arc shape.

7. The novel straw pulverizer as claimed in claim 5, wherein: the number of the crushing boxes is 1-2, the number of the crushing boxes is the same as that of the corresponding power devices, and the number of the crushing boxes is the same as that of the feeding ports.

8. The novel straw pulverizer as claimed in claim 5, wherein: the diameter of the rotor cutter head is 700 mm; the length of the fly-away cutter is 400 mm and 600 mm, and the number of the fly-away cutters is 18-36.

9. The novel straw pulverizer as claimed in claim 1, wherein: the cutting clearance between the fixed cutter and the fly cutter is 10mm-50 mm.

10. The novel straw pulverizer as claimed in claim 1, wherein: the number of the fixed knives is 2-10.