CN219252825U

CN219252825U - A rubbing crusher for furfural manufacturing

Info

Publication number: CN219252825U
Application number: CN202320088977.8U
Authority: CN
Inventors: 张玉斌; 杨红宾; 田杰; 陈冰
Original assignee: Xinji Jurun Biotechnology Co ltd
Current assignee: Xinji Jurun Biotechnology Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-27
Anticipated expiration: 2033-01-31

Abstract

The utility model relates to the technical field of furfural production, in particular to a pulverizer for manufacturing furfural, which comprises a case, wherein a feed inlet and a discharge outlet are arranged on the case; the first crushing member is rotatably arranged in the case and is provided with a rotating shaft and a plurality of first crushing cutters arranged on the rotating shaft; the second crushing member is provided with a driving rod and supporting rods arranged at two ends of the driving rod, a main shaft in the middle of the driving rod is sleeved on a rotating shaft above the first crushing cutter, and a plurality of second crushing cutters are arranged at the inner side of the supporting rods; the driving mechanism is arranged on the chassis, is respectively connected with the rotating shaft and the upper end of the main shaft penetrating through the chassis, and is used for driving the first crushing member and the second crushing member to rotate in opposite directions; the filter plate is horizontally arranged in the case below the first crushing member and vibrates up and down under the drive of the vibration mechanism; the two guide plates are symmetrically arranged on the chassis below the vibration mechanism. The utility model has the advantages of full crushing, difficult blockage during sieving, and the like.

Description

A rubbing crusher for furfural manufacturing

Technical Field

The utility model relates to the technical field of furfural production, in particular to a pulverizer for manufacturing furfural.

Background

Furfural is the same substance as furfural, and has the system name of 2-furaldehyde, and is a derivative in which a hydrogen atom at the 2-position of furan is replaced by an aldehyde group. Many raw materials for producing furfural, such as broad-leaved wood, camellia oleifera shells, cotton seed hulls, dried bagasse, corncob, rice hulls and the like, need to be crushed firstly when producing the furfural, and then are hydrolyzed after being crushed, so that a furfural finished product is obtained.

In the prior art, when the raw materials of the furfural are crushed, as the crushing mechanism is single, the crushing efficiency of most crushers is not high, and in the crushing process, the raw materials are often required to be crushed for a plurality of times, the crushing effect is not ideal, the residues are more, and the raw materials cannot be crushed comprehensively; moreover, the existing equipment is easy to block when screening crushed raw materials, so that the screening efficiency is low, and larger particles cannot be screened. For this purpose we propose a pulverizer for the manufacture of furfural.

Disclosure of Invention

In view of the above, the utility model provides a pulverizer for manufacturing furfural, which aims to solve the technical problems of poor pulverizing effect and easy blockage during raw material screening in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

a pulverizer for furfural manufacture, comprising:

the machine case is provided with a feed inlet and a discharge outlet;

a first crushing member rotatably disposed in the cabinet, the first crushing member having a rotation shaft and a plurality of first crushing blades disposed thereon;

the second crushing member is provided with a driving rod and supporting rods arranged at two ends of the driving rod, a main shaft in the middle of the driving rod is sleeved on a rotating shaft above the first crushing cutter, and a plurality of second crushing cutters are arranged on the inner side of the supporting rods;

the driving mechanism is arranged on the chassis, is respectively connected with the rotating shaft and the upper end of the main shaft penetrating through the chassis, and is used for driving the first crushing member and the second crushing member to rotate in opposite directions;

the filter plate is horizontally arranged in the case below the first crushing member and vibrates up and down under the drive of the vibration mechanism;

the two guide plates are symmetrically arranged on the chassis below the vibration mechanism, and both the guide plates are obliquely downwards arranged towards the middle of the chassis, and a blanking channel is formed between the guide plates;

and the two grinding rollers are rotatably arranged on the machine box below the blanking channel and are used for grinding raw materials.

Preferably, the driving mechanism includes:

the power output end of the first motor is connected with the first end of the rotating shaft;

the first gear is rotatably arranged on a first fixed shaft above the chassis and meshed with a second gear arranged at the upper end of the rotating shaft;

and the third gear is rotatably arranged on the second fixed shaft above the case, is meshed with the fourth gear arranged at the upper end of the main shaft, and is meshed with the first gear.

Preferably, the vibration mechanism includes:

the turntable is arranged in the case, and a driving shaft eccentrically arranged on the turntable is connected with the power output end of the second motor;

the upper end of the connecting rod penetrates through a support plate arranged on the inner wall of the case, and then is rotatably provided with a roller, and the roller is in rolling connection with the lower surface of the filter plate;

the tray is provided with a groove at a first end face, an inner arc surface of the groove is tangent to the outer circumferential surface of the turntable, a connecting shaft arranged in the middle of a second end face is sleeved in a sleeve at the lower end of the connecting rod, and the axial direction of the connecting rod is perpendicular to the axial direction of the tray;

the first spring is sleeved on the connecting rod, and two ends of the first spring are respectively connected with the support plate and the sleeve.

Preferably, a plurality of buffer assemblies are arranged below the filter plate and are used for supporting the filter plate.

Preferably, the buffer assembly includes:

the upper end of the ejector rod is connected with the lower surface of the filter plate, and a limiting block is arranged behind a support arranged at the lower end penetrating through the inner wall of the chassis;

and the second spring is sleeved on the ejector rod between the support and the filter plate.

Preferably, a brush is further arranged on the outer side of the supporting rod and used for cleaning the inner wall of the case.

Preferably, the two grinding rollers are driven to rotate by a rotating assembly, and the rotating assembly comprises:

the power output end of the third motor is connected with the shaft end of one of the grinding rollers penetrating through the chassis;

and the two driving gears are respectively connected with the corresponding grinding roller shaft ends.

Preferably, the first crushing cutter and the second crushing cutter are mutually staggered.

Preferably, the bottom surface of the case is provided with an inclined plane, and the lower side of the case is provided with the discharge port.

Preferably, the feeding hole is provided with a valve, and the discharging hole is provided with a movable door.

By adopting the technical scheme, the utility model has the following technical progress:

the combination of the first crushing member and the second crushing member is utilized, so that the first crushing member and the second crushing member are driven by the driving mechanism to rotate in opposite directions, the raw materials are fully stirred and crushed, the first crushing cutter and the second crushing cutter are arranged at intervals, the first crushing cutter and the second crushing cutter are not interfered with each other during rotation, the crushing effect of the raw materials can be greatly improved, and the probability of secondary crushing is reduced. Meanwhile, the inner wall of the case can be adhered with partial residues, when the second crushing member is stirred, the hairbrush on the second crushing member can be driven to rotate simultaneously, the inner wall of the case is cleaned, the residues are prevented from being accumulated, raw material waste is caused, and if the residues are accumulated for a long time, the subsequent use of the equipment is affected. Compared with the prior art, the utility model has the advantages of stable operation, full crushing and good cleaning effect, can meet the production requirement and is beneficial to popularization.

Under the screening of filtration, the crushed raw materials can intercept larger residues and repeatedly crush, and smaller raw materials are blanked to the grinding roller by the guide plate and ground, so that the treatment effect of the raw materials is improved. The vibration mechanism below the filter plate can drive the filter plate to vibrate up and down, so that raw materials can be screened rapidly, the situation that the raw materials are accumulated too much to cause blockage is avoided, meanwhile, the buffer mechanism arranged at four corners of the filter plate can provide supporting and guiding functions, and the filter plate is prevented from being damaged due to large impact with a case during vibration.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic front view of a pulverizer of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at B in FIG. 1 according to the present utility model;

FIG. 4 is a schematic view of the whole structure of the pulverizer of the present utility model;

FIG. 5 is a schematic view of the enlarged partial structure of the portion C shown in FIG. 4 according to the present utility model;

FIG. 6 is a schematic view of a rotating assembly according to the present utility model;

FIG. 7 is a schematic view of the structure of the second pulverizing member according to the present utility model;

FIG. 8 is a schematic view of a turntable according to the present utility model;

reference numerals illustrate:

10. the machine box comprises a machine box body, 11, a feeding port, 12, a discharging port, 13, a first crushing member, 131, a rotating shaft, 132, a first crushing cutter, 14, a second crushing member, 141, a main shaft, 142, a supporting rod, 143, a second crushing cutter, 144, a driving rod, 15, a filter plate, 16, a guide plate, 17, a blanking channel, 18, a grinding roller, 19, a brush, 20, a driving mechanism, 21, a first motor, 22, a first gear, 23, a second gear, 24, a third gear, 25, a fourth gear, 26, a first fixed shaft, 27, a second fixed shaft, 30, a vibration mechanism, 31, a turntable, 311, a driving shaft, 32, a second motor, 33, a connecting rod, 331, a sleeve, 332, a guide key, 34, a supporting plate, 35, a roller, 36, a tray, 361, a groove, 362, a connecting shaft, 37, a first spring, 40, a buffer assembly, 41, a top rod, 411, a stopper, 42, a support, 43, a second spring, 51, a third motor, 52, a driving gear, 60, a slope, 61, a valve 62 and a movable door.

Detailed Description

Technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it should be apparent that in the following description, specific details are set forth such as the specific system structure, technology, etc. for the purpose of illustration rather than limitation, in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

The utility model provides a pulverizer for manufacturing furfural, which is known from figures 1 to 5 of the specification, and comprises: the grinding machine comprises a machine case 10, a first grinding member 13, a second grinding member 14, a driving mechanism 20, a filter plate 15, two guide plates 16 and two grinding rollers 18, wherein a feed inlet 11 and a discharge outlet 12 are arranged on the machine case 10; the first crushing member 13 is rotatably provided in the casing 10, the first crushing member 13 having a rotation shaft 131 and a plurality of first crushing blades 132 provided thereon; the second crushing member 14 has a driving rod 144 and supporting rods 142 disposed at two ends of the driving rod, a main shaft 141 in the middle of the driving rod 144 is sleeved on the rotating shaft 131 above the first crushing cutter 132, and a plurality of second crushing cutters 143 are disposed inside the supporting rods 142.

The driving mechanism 20 is disposed on the casing 10, and is connected to the rotation shaft 131 and the upper end of the spindle 141 penetrating the casing 10, and is used for driving the first crushing member 13 and the second crushing member 14 to rotate in opposite directions, specifically, the second crushing blade 143 does not interfere with the rotation of the first crushing blade 132. The two sets of blades rotate and can fully stir and crush the raw materials in the case 10, and compared with a single stirring and crushing mechanism, the mechanism greatly improves the mixing and crushing effects of the raw materials, saves the processing time and improves the working efficiency.

As can be seen from fig. 1 of the specification, the filter plate 15 is horizontally disposed in the casing 10 below the first pulverizing member 13, and is driven by the vibration mechanism 30 to vibrate up and down, so as to prevent raw materials from accumulating on the filter plate 15 and avoid blocking the filter holes of the filter plate 15; the two guide plates 16 are symmetrically arranged on the case 10 below the vibration mechanism 30, and the two guide plates 16 are obliquely downwards arranged towards the middle part of the case 10, and a blanking channel 17 is formed between the two guide plates; two grinding rollers 18 are rotatably arranged on the casing 10 below the blanking channel 17 for grinding the raw material, and larger particles in the raw material can be further ground to obtain a material meeting the requirements.

Further, as can be seen from fig. 1-2 of the specification, the driving mechanism 20 includes: a first motor 21, a first gear 22 and a third gear 24, wherein a power output end of the first motor 21 is connected with a first end of the rotation shaft 131; the first gear 22 is rotatably arranged on a first fixed shaft 26 above the case 10 and is meshed with a second gear 23 arranged at the upper end of the rotating shaft 131; the third gear 24 is rotatably disposed on the second fixed shaft 27 above the cabinet 10 and engaged with the fourth gear 25 disposed at the upper end of the main shaft 141, and the third gear 24 is engaged with the first gear 22.

Specifically, since the tooth widths of the first gear 22 and the third gear 24 are relatively large, the first gear 22 and the third gear can be meshed with the two gears at the same time, the first motor 21 drives the rotation shaft 131, so that the second gear 23 rotates to drive the first gear 22 to rotate, meanwhile, the first gear 22 drives the third gear 24 to rotate, and finally drives the fourth gear 25 to rotate, according to the gear transmission principle, the fourth gear 25 can drive the main shaft 141 to rotate around the direction opposite to the rotation shaft 131, the purposes of enhancing stirring and crushing effects are achieved, raw materials are crushed more fully, and the reject ratio is reduced.

Further, as can be seen from fig. 5 of the specification, the vibration mechanism 30 includes: the rotary table 31, the connecting rod 33, the tray 36 and the first spring 37, wherein the rotary table 31 is arranged in the case 10, and a driving shaft 311 eccentrically arranged on the rotary table is connected with the power output end of the second motor 32; the upper end of the connecting rod 33 penetrates through a support plate 34 arranged on the inner wall of the case 10, and a roller 35 is rotatably arranged, and the roller 35 is in rolling connection with the lower surface of the filter plate 15; the first end surface of the tray 36 is provided with a groove 361, the inner cambered surface of the groove 361 is tangential to the outer circumferential surface of the turntable 31, a connecting shaft 362 arranged in the middle of the second end surface is sleeved in a sleeve 331 at the lower end of the connecting rod 33, and the axial direction of the connecting rod 33 is perpendicular to the axial direction of the tray 36; the first spring 37 is sleeved on the connecting rod 33, and two ends of the first spring are respectively connected with the support plate 34 and the sleeve 331. Specifically, the lower end of the first spring 37 is connected with a top block arranged above the sleeve 331, and the guide key 332 arranged on the connecting rod 33 is slidably connected with a guide groove arranged on the support plate 34, so as to play a guiding role.

When the novel grinding machine is used, the second motor 32 drives the turntable 31 to rotate and eccentrically rotate in the groove 361 of the tray 36 to drive the tray 36 to rotate and simultaneously lift, so that the connecting shaft 362 and the sleeve 331 are driven to drive the connecting rod 33 to slide on the support plate 34, the connecting rod 33 is lifted up and down in a reciprocating manner, the roller 35 at the top of the connecting rod abuts against the filter plate 15 to perform up and down reciprocating oscillation, a vibration effect is generated, the screening speed of raw materials is accelerated, the raw materials meeting the requirements are blanked to the grinding roller 18, and the rest of raw materials are intercepted on the filter plate 15 and are continuously crushed until the raw materials meet the requirements.

Further, as shown in fig. 1 of the specification, a plurality of buffer assemblies 40 are disposed below the filter plate 15, and are used for supporting the filter plate 15, so as to prevent the filter plate 15 from generating excessive impact with the chassis 10 during vibration, and avoid damaging parts.

Further, as can be seen in fig. 3 of the specification, the buffer assembly 40 includes: the upper end of the ejector rod 41 is connected with the lower surface of the filter plate 15, and a limiting block 411 is arranged at the lower end of the ejector rod 41 after penetrating through a support 42 arranged on the inner wall of the chassis 10; the second spring 43 is sleeved on the ejector rod 41 between the support 42 and the filter plate 15. Specifically, buffer assemblies 40 are provided at four corners of the underside of the filter plate 15 to improve the stability of the filter plate 15. In fig. 1 of the drawings, the damper assembly 40 is not shown in its entirety, but is shown in schematic form for the purpose of illustrating the vibration mechanism 30.

Further, as can be seen from fig. 1 of the specification, the outer side of the supporting rod 142 is further provided with a brush 19 for cleaning the inner wall of the chassis 10. Specifically, arc transition plates are arranged at four corners of the inner wall of the case 10 and slightly larger than the rotation radius range of the hairbrush 19, so that the square case 10 is prevented from being left with cleaning dead angles, the hairbrush 19 is facilitated to rotate and clean, residues adhered to the inner wall of the case 10 are prevented from being wasted, and the follow-up use of the case 10 is influenced by excessive accumulation of the residues.

Further, as can be seen from fig. 6 of the specification, the two grinding rollers 18 are driven to rotate by a rotating assembly, which includes: the power output end of the third motor 51 is connected with the shaft end of one grinding roller 18 penetrating through the machine case 10; two drive gears 52 are each connected to a respective one of the axial ends of the grinding roller 18. When the grinding device is used, under the action of the third motor 51 and the two driving gears 52, the two grinding rollers 18 can be driven to rotate in opposite directions, and in order to improve the grinding effect, the rotation directions of the two grinding rollers 18 in the device are both rotated towards the middle of the two grinding rollers, so that the crushed materials can be ground conveniently.

Further, as can be seen from fig. 1 of the specification, the first crushing blades 132 and the second crushing blades 143 are staggered with each other, which is beneficial to improving the stirring and crushing effects of the raw materials, and the two running directions are opposite and do not interfere with each other.

Further, as can be seen from fig. 1 of the specification, the bottom surface of the casing 10 is provided with an inclined surface 60, and the lower side thereof is provided with a discharge port 12, which is beneficial to improving the discharge efficiency.

Further, as can be seen from fig. 4 of the specification, the inlet 11 is provided with a valve 61, and the outlet 12 is provided with a movable door 62.

It should be noted that in this patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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, does not include, without limitation, additional elements that are defined by the term "include" an.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. A pulverizer for use in the manufacture of furfural, comprising:

the machine case is provided with a feed inlet and a discharge outlet;

2. The pulverizer for furfural production of claim 1, wherein the drive mechanism comprises:

3. The pulverizer for furfural production of claim 1, wherein the vibration mechanism comprises:

4. A shredder for furfuraldehyde manufacture according to claim 3, wherein a plurality of cushioning assemblies are provided below the filter panels for supporting the filter panels.

5. The pulverizer for furfural manufacture of claim 4, wherein the buffer assembly comprises:

6. The pulverizer for furfural production according to claim 1, wherein a brush is further provided on the outside of the strut for cleaning the inner wall of the casing.

7. The pulverizer of claim 6, wherein the two grinding rollers are driven to rotate by a rotating assembly, the rotating assembly comprising:

8. The pulverizer for furfural production of claim 1, wherein the first pulverizing knives are staggered from the second pulverizing knives.

9. The pulverizer for furfural production according to claim 1, wherein the bottom surface of the casing is provided with a slope, and the lower side thereof is provided with the discharge port.

10. A pulverizer for use in the manufacture of furfural according to any one of claims 1 to 9, wherein the inlet is provided with a valve and the outlet is provided with a moveable door.