CN115464729A

CN115464729A - Broken powder process equipment of bamboo

Info

Publication number: CN115464729A
Application number: CN202210950174.9A
Authority: CN
Inventors: 贺沛; 贺少方; 贺德松; 贺少红; 杨有生
Original assignee: Huitong Huida Bamboo Co ltd
Current assignee: Huitong Huida Bamboo Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-13
Anticipated expiration: 2042-08-08
Also published as: CN115464729B

Abstract

The invention provides a bamboo crushing and pulverizing device, which comprises: a feed slitting section comprising: the feeding device comprises a working platform, a feeding compression roller and a longitudinal cutting roller, wherein the feeding compression roller is arranged above and below the feeding end of the working platform; the longitudinal cutting roller is rotatably erected above the working platform around the transverse shaft, the outer arc surface of the longitudinal cutting roller is provided with accommodating grooves in a staggered manner, the longitudinal cutting knife is rotatably arranged in the accommodating grooves, and when the longitudinal cutting roller rotates, the knife tip of the longitudinal cutting knife rotates out and longitudinally cuts the bamboos conveyed by the working platform; and a transverse cutting pulverization section including: the crushing device comprises a rotary cavity, a transverse cutter disc and a crushing cutter disc, wherein a feed inlet is formed in one side above the rotary cavity, a discharge outlet is formed below the rotary cavity, and a filter screen is arranged at the discharge outlet; a notch is arranged on the transverse cutter head along the radial direction, and a transverse cutting blade is arranged at the notch; a plurality of crushing blades are uniformly distributed on the excircle of the crushing cutter head. According to the bamboo crushing and pulverizing equipment provided by the invention, bamboo is longitudinally cut into filaments firstly, and then the filaments are transversely cut and pulverized, so that the separation rate of bamboo fiber bundles is improved.

Description

Broken powder process equipment of bamboo

Technical Field

The invention relates to the technical field of bamboo and wood processing, in particular to bamboo crushing and pulverizing equipment.

Background

Bamboo is a plant growing rapidly, has very tough texture, and can be used for manufacturing bamboo artware, bamboo laminated plates, biomass bamboo charcoal and the like. At present, bamboo is generally realized by using a crusher in the powdering process. The method can be used for pulverizing small-diameter or small-piece leftover materials in a direct crushing mode, and for whole bamboos with larger diameters, such as more than 10cm, the whole bamboos are generally cut or chopped to be pulverized, so that the method is basically common with wood crushers. However, considering that bamboo is not easy to be crushed into powder due to the hollow structure and the strong toughness of the fibers, and the situation of blocking is often caused, the existing general crusher needs to be improved, and the bamboo crushing machine is a special device suitable for crushing bamboo.

The invention patent with publication number CN109434987A provides a bamboo crushing device with high crushing efficiency and high bamboo powder processing quality. This bamboo reducing mechanism includes feed roller group, support guide holder and crushing roller, feed roller group is including the tangent last feed roller and the lower feed roller that sets up of roll surface, upward be equipped with the feeding tooth along roll surface ring array on feed roller and the lower feed roller, the one side of supporting the guide holder is equipped with the deflector, the deflector overhang to the discharge gate of feed roller group, the tangent setting of crushing roller is in support the opposite side of guide holder, be equipped with the concentric crushing tooth that sets up of multiunit on the roll surface of crushing roller, every group crushing tooth sets up along the roll surface ring array of crushing roller, and the crisscross setting of angle of adjacent two sets of crushing tooth. Although this patent solves the problem of drawing bamboo fibers, the binding force between fiber bundles is strong and it is difficult to separate and break the fiber bundles, so that it takes a long time to break the components, and the production efficiency is limited, and improvement thereof is required.

Disclosure of Invention

In view of the above, the present invention provides a bamboo crushing and pulverizing apparatus, which separates bamboo into fine bamboo fiber bundles by longitudinal cutting, and then cuts and pulverizes the bamboo into fine bamboo fiber bundles, thereby improving the separation rate and production efficiency of bamboo crushing and pulverizing at least to some extent.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the invention provides a bamboo crushing and pulverizing device, which comprises:

a feed slitting section comprising: the bamboo splitting machine comprises a working platform, feeding compression rollers and a slitting roller, wherein the feeding compression rollers are oppositely arranged at the upper part and the lower part of the feeding end of the working platform, and the two feeding compression rollers are used for rolling and conveying bamboos onto the working platform; the longitudinal cutting roller is rotatably erected above the working platform around the transverse shaft, at least part of the arc surface of the excircle of the longitudinal cutting roller is provided with accommodating grooves in a staggered manner, the longitudinal cutting knife is rotatably arranged in the accommodating grooves, and when the turning direction of the longitudinal cutting roller is the same as that of a feeding compression roller above the working platform, the knife tip of the longitudinal cutting knife rotates out and longitudinally cuts the bamboo fed by the working platform; when the longitudinal cutting roller turns to be opposite to the feeding press roller above the working platform, the tool nose of the longitudinal cutting knife turns into the accommodating groove; and

a cross-cut comminution section comprising: the crushing device comprises a rotary cavity, a transverse cutter disc and a crushing cutter disc, wherein a feed inlet communicated with a discharge end of a working platform is formed in one side above the rotary cavity, a discharge outlet is formed below the rotary cavity, and a filter screen is arranged at the discharge outlet; the transverse cutter disc and the crushing cutter disc are coaxially arranged on a rotating shaft in the rotary cavity, a notch is formed in the transverse cutter disc along the radial direction, a transverse cutter blade is installed at the notch, and when the notch rotates and is communicated with the feeding hole, the transverse cutter blade transversely cuts the material; a plurality of crushing blades are uniformly distributed on the excircle of the crushing cutter head.

In some embodiments, the discharge end of the working platform is communicated with the feed inlet through a storage barrel, and the storage barrel is matched with the outer circle of the longitudinal cutting roller through a cambered surface.

In some embodiments, a torsion spring is disposed at the rotation position of the longitudinal cutting knife, so that the longitudinal cutting knife can be elastically ejected in a direction away from the axial center of the longitudinal cutting drum.

In some embodiments, further comprising a crank and rocker mechanism to drive forward and reverse rotation of the slitting drum, the crank and rocker mechanism comprising: the device comprises a crank, a connecting rod and a rocker, wherein one end of the crank is arranged at the rotary output end of the speed reducer, the other end of the crank is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to one end of the rocker, and the other end of the rocker is arranged at two shaft ends of the longitudinal cutting roller.

In some embodiments, the outer circle of the feeding compression roller is uniformly provided with crushing teeth.

In some embodiments, further comprising: and the conveyor belt is positioned at the feeding compression roller and used for conveying the bamboos to a position between the two feeding compression rollers.

Compared with the prior art, the bamboo crushing and pulverizing equipment provided by the invention has the beneficial effects that: this equipment earlier carries out the rip cutting with the bamboo and separates into thin bamboo fiber bundle, carries out violently cutting off again, smashes, for traditional breaker, this broken powder process equipment of bamboo has improved the fiber bundle separation rate of the broken powder process of bamboo by a wide margin, and the fiber bundle separation is faster, thorough, has correspondingly promoted the production efficiency of bamboo powder process by a wide margin.

Moreover, the longitudinal cutting structure is reasonable in design, material blocking or material leakage is not easy to occur, and the device is worthy of popularization and application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention.

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2 according to the present invention.

FIG. 4 is a schematic cross-sectional view taken at C-C of FIG. 1 according to the present invention.

In the figure: 1. a feeding and slitting part; 11. a working platform; 12. feeding press rolls; 13. a slitting drum; 131. accommodating grooves; 132. a slitting knife; 2. a transverse cutting crushing part; 20. a rotary cavity; 200. a storage cylinder; 201. a feed inlet; 202. a discharge port; 21. a cutter head is transversely cut; 211. a notch; 212. a cross cutting blade; 22. a crushing cutter head; 221. a crushing blade; 23. a rotating shaft; 3. a crank; 4. a connecting rod; 5. a rocker; 6. a speed reducer; 7. and (4) a conveyor belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, fig. 1 is a schematic front view structure diagram according to an embodiment of the present invention. Fig. 2 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention. FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2 according to the present invention. FIG. 4 is a schematic cross-sectional view taken at C-C of FIG. 1 according to the present invention.

Example one

In a specific embodiment, an embodiment of the present invention provides a bamboo crushing and pulverizing apparatus, comprising:

a feed slitting section 1 comprising: the bamboo splitting machine comprises a working platform 11, feeding compression rollers 12 and a slitting roller 13, wherein the feeding end of the working platform 11 is provided with the feeding compression rollers 12 up and down oppositely, the two feeding compression rollers 12 are the same in size, the end parts of the two feeding compression rollers 12 are rotatably arranged on a machine body through bearing assemblies, one ends of the feeding compression rollers 12 can be in transmission connection with a motor, the rotating speeds of the two feeding compression rollers 12 are the same, the rotating directions of the two feeding compression rollers are opposite, the two feeding compression rollers 12 can also be in transmission connection through gear assemblies, the distance between the two feeding compression rollers 12 is less than the outer diameter of a bamboo and is about 5 cm-10 cm, and the two feeding compression rollers 12 are used for rolling and conveying the bamboo to the working platform 11; the longitudinal cutting roller 13 is rotatably erected above the working platform 11 around a transverse shaft, namely, two ends of the longitudinal cutting roller 13 can also be rotatably installed on the machine body through bearing assemblies, the containing grooves 131 are formed in at least part of the arc surface of the excircle of the longitudinal cutting roller 13 in a staggered mode, namely, the containing grooves 131 are formed in the arc surface close to the side of the working platform 11 in a staggered mode, the longitudinal cutting knife 132 is rotatably installed in the containing grooves 131, when the longitudinal cutting roller 13 rotates to be the same as the feeding compression roller 12 above the working platform 11, the knife tip of the longitudinal cutting knife 132 rotates out and longitudinally cuts the bamboos fed by the working platform 11, it needs to be noted that when the longitudinal cutting knife 132 rotates to the maximum opening degree, the knife tip does not contact with the working platform 11, the table top is prevented from being scratched, and the movement speed of the longitudinal cutting knife 132 during longitudinal cutting is greater than the feeding movement speed of the bamboos; when the direction of rotation of the slitting roller 13 is opposite to that of the feeding press roller 12 above the working platform 11, the knife tip of the slitting knife 132 rotates into the accommodating groove 131; and

a transverse cutting comminution section 2 comprising: the crushing device comprises a rotary cavity 20, a transverse cutter 21 and a crushing cutter 22, wherein a feed inlet 201 communicated with the discharge end of the working platform 11 is formed in one side above the rotary cavity 20, a discharge outlet 202 is formed below the rotary cavity 20, and a filter screen is arranged at the discharge outlet 202; the transverse cutter 21 and the crushing cutter 22 are coaxially arranged on a rotating shaft 23 in the rotary cavity 20, two ends of the rotating shaft 23 are rotatably arranged on the machine body through bearing assemblies, one end of the rotating shaft 23 can be connected with the end part of a high-rotating-speed motor through belt transmission, a notch 211 is radially arranged on the transverse cutter 21, a transverse cutter blade 212 is arranged at the notch 211, and when the notch 211 rotates to be communicated with the feed inlet 201, the transverse cutter blade 212 transversely cuts the materials; a plurality of crushing blades 221 are uniformly distributed on the excircle of the crushing cutter disc 22.

When the bamboo cutting machine is used specifically, one end of long bamboos is fed from the two feeding compression rollers 12, the long bamboos are forcibly crushed and flattened by the two feeding compression rollers 12 and then are fed onto the working platform 11, when the longitudinal cutting roller 13 turns to the same (namely rotates forwards) arc length as the feeding compression rollers 12 above the working platform 11, the knife tip of the longitudinal cutter 132 rotates downwards to longitudinally cut the bamboos fed by the working platform 11 into strips or filaments, fiber bundles of the bamboos are separated and thinned and then are fed to the feed inlet 201, the rotating shaft 23 drives the transverse cutter disc 21 to rotate at high speed, when the groove opening 211 rotates to be communicated with the feed inlet 201, the transverse cutter pieces 212 transversely cut the bamboos to form bamboo powder with different particle sizes, the powder with small particle size falls down through the filter screen and is discharged, and the powder with large particle size is continuously crushed for multiple times by the crushing blades 221 which are adjusted and rotate in the rotary cavity 20; understandably, this equipment carries out the rip cutting earlier with the bamboo and separates into thin bamboo fiber bundle, carries out violently cutting off again, smashes, for traditional breaker, this broken powder process equipment of bamboo has improved the fiber bundle separation rate of the broken powder process of bamboo by a wide margin, and the fiber bundle separation is faster, thorough, has correspondingly promoted the production efficiency of bamboo powder process by a wide margin.

When the direction of the slitting roller 13 is opposite to that of the feeding compression roller 12 above the working platform 11 (i.e. reverse), the knife tip of the slitting knife 132 rotates into the accommodating groove 131, so that the bamboo is not separated from the fiber bundles, and the phenomenon of material blockage is avoided.

Example two

Based on the first embodiment, in order to enable the slit material to smoothly enter the feeding hole 201, in this embodiment, optionally, the discharge end of the working platform 11 is communicated with the feeding hole 201 through the storage barrel 200, the storage barrel 200 is matched with the outer circle of the slitting roller 13 through an arc surface, and when the slitting roller 13 rotates to the limit position, the slitting knife 132 on the slitting roller does not contact or pass through the matching opening on the storage barrel 200.

EXAMPLE III

Based on the first embodiment, in order to prevent the slitting knife 132 from rotating into the accommodating groove 131 before the slitting starts, in this embodiment, optionally, a torsion spring is disposed at the rotating position of the slitting knife 132, so that the slitting knife 132 is elastically ejected in a direction away from the axis of the slitting drum 13.

Example four

Based on the first to third embodiments, in order to realize the forward and reverse rotation of the slitting roller 13, in this embodiment, optionally, a crank and rocker mechanism for driving the forward and reverse rotation of the slitting roller 13 is further included, and the crank and rocker mechanism includes: the device comprises a crank 3, a connecting rod 4 and a rocker 5, wherein one end of the crank 3 is arranged at the rotary output end of a speed reducer 6, the other end of the crank 3 is hinged to one end of the connecting rod 4, the other end of the connecting rod 4 is hinged to one end of the rocker 5, and the other end of the rocker 5 is arranged at two shaft ends of a longitudinal cutting roller 13; the speed reducer 6 is formed by matching a worm wheel and a worm, one end of the worm can be in transmission connection with the other end of the rotating shaft 23 through a coupler, the worm is matched to drive the worm wheel to rotate, and the crank 3 is installed at the shaft end of the worm wheel, so that the transmission mechanism is simplified, the crank 3 rotates, the rocker 5 is pulled to swing through the connecting rod 4, and the forward and reverse rotation of the slitting roller 13 is achieved.

EXAMPLE five

Based on embodiments one to three, in order to increase the forced crushing and feeding effect to the bamboo, in this embodiment, optionally, crushing teeth are uniformly distributed on the outer circle of the feeding pressing roller 12, so as to prevent the bamboo from slipping with the outer circle of the feeding pressing roller 12.

EXAMPLE six

Based on embodiments one to three, in order to facilitate feeding long bamboos, in this embodiment, optionally, the method further includes: the conveying belt 7 is positioned at the feeding compression roller 12 and used for conveying the bamboos between the two feeding compression rollers 12, the conveying belt 7 comprises at least two supporting rollers and a conveying belt, and the conveying speed is basically consistent with the feeding speed of the feeding compression rollers 12.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, or combinations, or other applications of the inventive concepts and solutions as may be employed without such modifications, are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a broken powder process equipment of bamboo which characterized in that includes:

a feed slitting section (1) comprising: the bamboo splitting machine comprises a working platform (11), feeding compression rollers (12) and a slitting roller (13), wherein the feeding compression rollers (12) are oppositely arranged at the upper part and the lower part of the feeding end of the working platform (11), and the two feeding compression rollers (12) are used for rolling and conveying bamboos to the working platform (11); the bamboo splitting machine is characterized in that the longitudinal cutting roller (13) is rotatably erected above the working platform (11) around a transverse shaft, at least part of the arc surface of the excircle of the longitudinal cutting roller (13) is provided with accommodating grooves (131) in a staggered mode, the longitudinal cutting knife (132) is rotatably arranged in the accommodating grooves (131), and when the turning direction of the longitudinal cutting roller (13) is the same as that of a feeding press roller (12) above the working platform (11), the knife tip of the longitudinal cutting knife (132) is rotated out and longitudinally cuts bamboos fed by the working platform (11); when the direction of rotation of the slitting roller (13) is opposite to that of the feeding press roller (12) above the working platform (11), the tool tip of the slitting knife (132) rotates into the accommodating groove (131); and

a cross-cut comminution section (2) comprising: the crushing device comprises a rotary cavity (20), a transverse cutter (21) and a crushing cutter (22), wherein a feeding hole (201) communicated with the discharging end of a working platform (11) is formed in one side above the rotary cavity (20), a discharging hole (202) is formed below the rotary cavity (20), and a filter screen is arranged at the discharging hole (202); the transverse cutter disc (21) and the crushing cutter disc (22) are coaxially arranged on a rotating shaft (23) in the rotary cavity (20), a notch (211) is radially arranged on the transverse cutter disc (21), a transverse cutter blade (212) is arranged at the notch (211), and when the notch (211) rotates to be communicated with the feed port (201), the transverse cutter blade (212) transversely cuts the materials; a plurality of crushing blades (221) are uniformly distributed on the excircle of the crushing cutter head (22).

2. The bamboo crushing and pulverizing apparatus of claim 1, wherein the discharge end of the working platform (11) is connected to the feed inlet (201) through a storage barrel (200), and the storage barrel (200) is engaged with the outer circle of the longitudinal cutting roller (13) through a cambered surface.

3. A bamboo crushing mill as claimed in claim 1 wherein the rotary position of the slitting knives (132) is provided with torsion springs to resiliently urge the slitting knives (132) in a direction away from the axis of the slitting roller (13).

4. A bamboo crushing mill as claimed in any one of claims 1 to 3 further comprising a crank and rocker mechanism for driving the slitting roller (13) to rotate in forward and reverse directions, the crank and rocker mechanism comprising: crank (3), connecting rod (4) and rocker (5), crank (3) one end is installed on the rotatory output of speed reducer (6), and the other end of crank (3) articulates in the one end of connecting rod (4), and the other end of connecting rod (4) is articulated with rocker (5) one end, and the other end of rocker (5) is installed in the diaxon end of rip cutting cylinder (13).

5. A bamboo crushing and pulverizing apparatus as claimed in any one of claims 1 to 3, wherein the outer circumference of the feeding press roll (12) is uniformly provided with crushing teeth.

6. A bamboo crushing and pulverizing apparatus as claimed in any one of claims 1 to 3 further comprising: the conveying belt (7) is located at the feeding compression rollers (12) and used for conveying the bamboos between the two feeding compression rollers (12).