CN219252825U - A rubbing crusher for furfural manufacturing - Google Patents

Abstract

The utility model relates to the technical field of furfural production, in particular to a pulverizer used for furfural production, which comprises a casing provided with a feed port and a discharge port; a first crushing component is rotatably arranged in the It has a rotating shaft and a plurality of first pulverizing knives arranged on it; the second pulverizing member has a driving rod and a support rod arranged at both ends thereof, and the main shaft in the middle of the driving rod is sleeved on the rotating shaft above the first pulverizing knives. A plurality of second pulverizing knives are arranged on the inside of the rod; the driving mechanism is arranged on the chassis, and is respectively connected with the rotating shaft and the main shaft through the upper end of the chassis, and is used to drive the first pulverizing member and the second pulverizing member to rotate in opposite directions; The plate is arranged horizontally in the cabinet below the first crushing member, and vibrates up and down driven by the vibration mechanism; two deflectors are symmetrically arranged on the cabinet below the vibration mechanism. The utility model has the advantages of sufficient crushing, not easy to be blocked during screening, and the like.

Description

A pulverizer for furfural production

technical field

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

Background technique

Furfural is the same substance as furfural, and its system name is 2-furfuraldehyde, which is a derivative in which the hydrogen atom at the 2-position of furan is replaced by an aldehyde group. There are many raw materials for furfural production, such as broad-leaved wood, camellia husk, cottonseed husk, dry bagasse, corn cob, rice husk, etc. When producing furfural, these raw materials need to be crushed first, and then hydrolyzed after crushing the raw materials, so that Get furfural finished product.

In the prior art, when furfural raw materials are crushed, due to the single crushing mechanism, the crushing efficiency of most grinders is not high. During the crushing process, the raw materials often need to be crushed multiple times, and the effect of crushing is not ideal. More, the raw materials cannot be comprehensively crushed; and the existing equipment is easy to block when sieving the crushed raw materials, resulting in low screening efficiency and unable to sieve larger particles. For this reason we propose a kind of pulverizer that is used for furfural manufacture.

Utility model content

In view of this, the utility model provides a pulverizer for furfural production, which aims to solve the technical problems of poor pulverization effect and easy blockage when sieving raw materials in the prior art.

In order to achieve the above object, the utility model is realized through the following technical solutions:

A pulverizer for furfural manufacture, comprising:

The chassis is provided with a material inlet and a material outlet;

The first crushing member is rotatably arranged in the cabinet, and the first crushing member has a rotating shaft and a plurality of first crushing knives arranged on it;

The second crushing member has a driving rod and support rods arranged at both ends thereof, the main shaft in the middle of the driving rod is sleeved on the rotating shaft above the first crushing knife, and a plurality of second smashing knife;

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

The filter plate is horizontally arranged in the cabinet below the first crushing member, and vibrates up and down driven by the vibration mechanism;

Two deflectors are symmetrically arranged on the chassis below the vibrating mechanism, and both of the two deflectors are inclined downward to the middle of the chassis, and a blanking channel is formed between them;

Two grinding rollers are rotatably arranged on the chassis below the falling channel for grinding raw materials.

Preferably, the drive mechanism includes:

a first motor, the power output end of which is connected to the first end of the rotating shaft;

The first gear is rotatably arranged on the first fixed shaft above the chassis, and meshes with the second gear arranged on the upper end of the rotating shaft;

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

Preferably, the vibration mechanism includes:

The turntable is arranged in the case, and the drive shaft arranged eccentrically on it is connected to the power output end of the second motor;

A connecting rod, the upper end of which passes through the support plate provided on the inner wall of the cabinet and is rotatably provided with a roller, and the roller is rollingly connected with the lower surface of the filter plate;

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

The first spring is sheathed on the connecting rod, and its two ends are respectively connected with the support plate and the sleeve.

Preferably, a plurality of buffer assemblies are arranged under the filter plate for supporting the filter plate.

Preferably, the buffer assembly includes:

A push rod, the upper end of which is connected to the lower surface of the filter plate, and the lower end of which passes through the support provided on the inner wall of the cabinet and is provided with a limit block;

The second spring is sheathed on the push rod between the support and the filter plate.

Preferably, a brush is provided on the outside of the pole for cleaning the inner wall of the chassis.

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

The third motor, the power output end of which is connected to the shaft end of one of the grinding rollers passing through the chassis;

The two drive gears are respectively connected with the corresponding shaft ends of the grinding roller.

Preferably, the first pulverizing knives and the second pulverizing knives are arranged alternately.

Preferably, the bottom surface of the chassis is provided with a slope, and the lower side is provided with the discharge port.

Preferably, the inlet is provided with a valve, and the outlet is provided with a movable door.

Owing to having adopted above-mentioned technical scheme, the technical progress that the utility model obtains is:

Utilizing the combination of the first crushing member and the second crushing member, the two are driven by the driving mechanism to rotate in opposite directions, which is conducive to fully stirring and crushing the raw materials, and the first crushing knife and the second crushing knife are arranged at intervals, and the rotation Non-interference with each other can greatly improve the crushing effect of raw materials and reduce the probability of secondary crushing. At the same time, part of the residue will adhere to the inner wall of the case. When the second crushing member is stirring, it can drive the brush on it to rotate at the same time, and clean the inner wall of the case to prevent the accumulation of residue and waste of raw materials. If the residue accumulates for a long time, it will affect the equipment. subsequent use. Compared with the prior art, the utility model has the advantages of stable operation, sufficient crushing and good cleaning effect, can meet production needs and is beneficial to popularization.

The crushed raw materials can be filtered and sieved, and the larger residue can be intercepted and crushed repeatedly, while the smaller raw materials are dropped from the deflector to the grinding roller for grinding, so as to improve the processing effect of raw materials . The vibrating mechanism under the filter plate can drive the filter plate to vibrate up and down, so that the raw materials can be screened quickly to avoid clogging caused by excessive accumulation of raw materials. When it vibrates, it will have a large impact with the chassis and cause damage.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those skilled in the art can also obtain other drawings based on these drawings without paying creative labor.

Fig. 1 is the front view structure schematic diagram of pulverizer described in the utility model;

Fig. 2 is a schematic diagram of a partially enlarged structure at A described in Fig. 1 of the present invention;

Fig. 3 is a partial enlarged structural schematic diagram of place B described in Fig. 1 of the utility model;

Fig. 4 is the overall structure schematic diagram of pulverizer described in the utility model;

Fig. 5 is a schematic diagram of a partially enlarged structure at C described in Fig. 4 of the present invention;

Fig. 6 is a structural schematic diagram of the rotating assembly described in the present invention;

Fig. 7 is a schematic structural view of the second crushing member described in the present invention;

Fig. 8 is a structural schematic diagram of the turntable described in the present invention;

Explanation of reference signs:

10. Cabinet, 11. Feed port, 12. Discharge port, 13. First crushing member, 131. Rotation shaft, 132. First crushing knife, 14. Second crushing member, 141. Main shaft, 142. Support rod , 143, the second crushing knife, 144, the driving rod, 15, the filter plate, 16, the guide plate, 17, the blanking channel, 18, the grinding roller, 19, the brush, 20, the driving mechanism, 21, the first motor , 22, the first gear, 23, the second gear, 24, the third gear, 25, the fourth gear, 26, the first fixed shaft, 27, the second fixed shaft, 30, the vibration mechanism, 31, the turntable, 311, Drive shaft, 32, second motor, 33, connecting rod, 331, sleeve, 332, guide key, 34, support plate, 35, roller, 36, pallet, 361, groove, 362, connecting shaft, 37, the first One spring, 40, buffer assembly, 41, ejector rod, 411, limit block, 42, support, 43, second spring, 51, third motor, 52, driving gear, 60, inclined plane, 61, valve, 62 , Activity door.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, in the following descriptions, specific system structures, technical and the like in order to thoroughly understand the embodiments of the present utility model. However, it will be apparent to those skilled in the art that the invention may be practiced in other embodiments without 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 invention with unnecessary detail.

A pulverizer for furfural production provided by the utility model can be known according to accompanying drawings 1 to 5 of the specification, comprising: a chassis 10, a first pulverizing member 13, a second pulverizing member 14, a driving mechanism 20, and a filter plate 15 , two deflectors 16 and two grinding rollers 18, wherein the cabinet 10 is provided with a feed port 11 and a discharge port 12; the first crushing member 13 is rotatably arranged in the cabinet 10, and the first crushing member 13 has The rotating shaft 131 and a plurality of first pulverizing knives 132 arranged on it; the second pulverizing member 14 has a driving rod 144 and a pole 142 arranged at its two ends, and the main shaft 141 in the middle of the driving rod 144 is sleeved on the first A plurality of second crushing knives 143 are arranged inside the support rod 142 on the rotating shaft 131 above the crushing knife 132 .

The driving mechanism 20 is arranged on the case 10, and is connected with the upper end of the case 10 with the rotating shaft 131 and the main shaft 141 respectively, and is used to drive the first crushing member 13 and the second crushing member 14 to rotate in opposite directions, specifically, the second The pulverizing blade 143 does not interfere with the rotation of the first pulverizing blade 132 . The rotation of two sets of blades can fully stir and crush the raw materials in the cabinet 10. Compared with a single stirring and crushing mechanism, this mechanism greatly improves the mixing and crushing effect of raw materials, saves processing time and improves work efficiency.

It can be seen from the accompanying drawing 1 of the specification that the filter plate 15 is horizontally arranged in the cabinet 10 below the first crushing member 13, and vibrates up and down under the drive of the vibration mechanism 30 to prevent raw materials from accumulating on the filter plate 15 and avoid clogging the filter. The filter holes of the plate 15; two deflectors 16 are symmetrically arranged on the cabinet 10 below the vibrating mechanism 30, and the two deflectors 16 are all inclined downward to the middle part of the cabinet 10, and a blanking channel 17 is formed between the two Two grinding rollers 18 are rotatably arranged on the chassis 10 below the blanking channel 17 for grinding raw materials, and can further grind larger particles in the raw materials to obtain materials that meet the requirements.

Further, as can be seen from the accompanying drawings 1-2 of the specification, the drive mechanism 20 includes: a first motor 21, a first gear 22 and a third gear 24, wherein the power output end of the first motor 21 is connected to the first end of the rotating shaft 131; The first gear 22 is rotatably arranged on the first fixed shaft 26 above the cabinet 10, and meshes with the second gear 23 arranged on the upper end of the rotating shaft 131; the third gear 24 is rotatably arranged on the second shaft above the cabinet 10 The fixed shaft 27 is engaged with the fourth gear 25 disposed on 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, they can mesh with the two gears at the same time, and the rotating shaft 131 is driven by the first motor 21, so that the second gear 23 rotates to drive the first gear 22 At the same time, the first gear 22 drives the third gear 24 to rotate, and finally drives the fourth gear 25 to rotate. According to the principle of gear transmission, the fourth gear 25 can drive the main shaft 141 to rotate in the opposite direction to the rotating shaft 131 to achieve enhanced stirring. And the purpose of crushing effect, making the raw material crushing more fully and reducing the unqualified rate.

Further, it can be known from the accompanying drawing 5 of the specification that the vibrating mechanism 30 includes: a turntable 31, a connecting rod 33, a tray 36 and a first spring 37, wherein the turntable 31 is arranged in the case 10, and the drive shaft 311 arranged eccentrically on it and the first spring 37 The power output ends of the two motors 32 are connected; the upper end of the connecting rod 33 runs through the support plate 34 provided on the inner wall of the cabinet 10 and is rotatably provided with a roller 35, which is rollingly connected with the lower surface of the filter plate 15; the first end surface of the tray 36 is provided with a concave Groove 361, the inner arc surface of the groove 361 is tangent to the outer peripheral surface of the turntable 31, the connecting shaft 362 provided in the middle of the second end surface is sleeved in the sleeve 331 at the lower end of the connecting rod 33, and the axial direction of the connecting rod 33 is in line with the tray The axial direction of 36 is vertical; the first spring 37 is sheathed on the connecting rod 33 , and its two ends are respectively connected with the support plate 34 and the sleeve 331 . Specifically, the lower end of the first spring 37 is connected with the top block provided above the sleeve 331, and the guide key 332 provided on the connecting rod 33 is slidably connected with the guide groove provided on the support plate 34 to play a guiding role.

When in use, the second motor 32 drives the turntable 31 to rotate, and rotates eccentrically in the groove 361 of the tray 36, so as to drive the tray 36 to rotate while performing lifting action, thereby driving the connecting shaft 362 and the sleeve 331 to drive the connecting rod 33 in the The support plate 34 slides, the connecting rod 33 moves up and down reciprocally, and the roller 35 on the top of it touches the filter plate 15 to reciprocate and vibrate up and down, which produces a vibration effect, speeds up the screening rate of raw materials, and the raw materials that meet the requirements are dropped to the grinding roller 18. , and the rest are intercepted on the filter plate 15, and continue to be pulverized until the requirements are met.

Further, it can be seen from Figure 1 of the specification that a plurality of buffer assemblies 40 are arranged under the filter plate 15 for supporting the filter plate 15, preventing the filter plate 15 from excessively impacting the chassis 10 when vibrating, and avoiding damage to parts.

Further, it can be seen from the accompanying drawing 3 of the specification that the buffer assembly 40 includes: a push rod 41 and a second spring 43, wherein the upper end of the push rod 41 is connected to the lower surface of the filter plate 15, and the lower end penetrates the support 42 provided on the inner wall of the chassis 10 and is set to a limited extent. The position block 411 ; the second spring 43 is sleeved on the push rod 41 between the support 42 and the filter plate 15 . Specifically, buffer components 40 are provided at the four corners below the filter plate 15 to improve the stability of the filter plate 15 . In order to show the vibrating mechanism 30 in the accompanying drawing 1 of the specification, the buffer assembly 40 is not fully shown, but only a schematic diagram.

Furthermore, as can be seen from the accompanying drawing 1 of the specification, a brush 19 is provided on the outside of the pole 142 for cleaning the inner wall of the chassis 10 . Specifically, the four corners of the inner wall of the cabinet 10 are provided with arc-shaped transition plates, and they are slightly larger than the radius of rotation of the brush 19, so as to prevent the square cabinet 10 from leaving a cleaning corner, which is beneficial to the brush 19 for rotating and cleaning, and prevents the inner wall of the cabinet 10 from Adhesion of residues causes waste of raw materials, and excessive accumulation of residues affects the subsequent use of the chassis 10 .

Further, it can be seen from Figure 6 of the specification that the two grinding rollers 18 rotate under the drive of the rotating assembly, and the rotating assembly includes: the power output end of the third motor 51 is connected to the shaft end of one of the grinding rollers 18 passing through the chassis 10; The gears 52 are respectively connected to the shaft ends of the corresponding grinding rollers 18 . During use, under the action of the third motor 51 and the two drive gears 52, the two grinding rollers 18 can be driven to rotate in opposite directions. Or rotate in the middle, in order to grind the crushed material.

Further, it can be seen from the accompanying drawing 1 of the specification that the first pulverizing knives 132 and the second pulverizing knives 143 are arranged alternately, which is beneficial to improve the stirring and pulverizing effect of raw materials, and the two run in opposite directions without interfering with each other.

Further, it can be known from the accompanying drawing 1 of the specification that the bottom surface of the chassis 10 is provided with a slope 60, and the lower side is provided with a discharge port 12, which is beneficial to improve the discharge efficiency.

Further, it can be known from the accompanying drawing 4 of the specification that the material inlet 11 is provided with a valve 61 , and the material outlet 12 is provided with a movable door 62 .

It should be noted that in this patent application, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations There is no such actual relationship or order between the operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of, or also elements inherent in, such a process, method, article or apparatus, without further qualification, an element defined by the phrase "comprising a ... does not exclude In addition, the same element is present in a process, method, article, or apparatus that includes said element".

The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be applied to the foregoing embodiments Modifications to the technical solutions recorded in the examples, or equivalent replacement of some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the utility model, and should include Within the protection scope of the present utility model.

Claims (10)

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

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

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.

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

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.

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:

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.

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:

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.

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.

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