CN218421460U - A screening and filtering equipment for producing decorative base paper - Google Patents

Abstract

The utility model relates to the technical field of decorative base paper production, in particular to a screening and filtering device for producing decorative base paper, comprising: a centrifuge cylinder is arranged inside the box below the feeding port arranged on the top of the box; a stirring shaft is rotatably arranged In the centrifugal cylinder, there are multiple sets of stirring blades arranged along the axial direction of the stirring shaft, and the scrapers arranged on both sides of the stirring shaft are adapted to the inner wall of the centrifugal cylinder; The set first worm gear meshes with each other, and when the worm rotates, the transmission member can drive the centrifugal cylinder to rotate in the opposite direction to the stirring shaft; the screening plate is arranged in the box below the centrifugal cylinder, and is lifted and lowered by the vibration component; The material component is used to push the impurities on the screening plate to the material box provided under one side of the screening plate. The utility model has the advantages of high sieving and filtering efficiency for pulp through two dynamic filtering modes of centrifugal and vibration, and is not easy to be blocked, and the pulp production efficiency is high.

Description

A screening and filtering equipment for producing decorative base paper

technical field

The utility model relates to the technical field of decorative base paper production, in particular to a screening and filtering device for producing decorative base paper.

Background technique

Decorative base paper is a well-developed special industrial paper, which is mainly used in the surface decoration of wood-based panels. In its production process, specific raw materials need to be hammered into pulp, and a series of processing is performed on the pulp before the pulp can be used to make paper. Sieving and filtering is an important step.

At present, the existing screening and filtering devices achieve the purpose of removing impurities by standing and filtering the pulp, and the filtration efficiency is low. On the other hand, some filtering devices only filter the pulp once. The hole setting is generally small, so the filter plate is prone to clogging, and the speed of impurity removal and screening is slow, which reduces the production efficiency of decorative base paper.

Utility model content

In view of this, the utility model provides a sieving and filtering equipment for producing decorative base paper, which has high sieving and filtering efficiency for pulp through two dynamic filtering methods of centrifugation and vibration, and is not easy to cause clogging, and the pulp production efficiency is high The advantages.

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

A screening and filtering equipment for producing decorative base paper, comprising:

A box body, the top of which is provided with a feed inlet, and a centrifuge cylinder is arranged inside the box body below the feed inlet;

The stirring shaft is rotatably arranged in the centrifugal cylinder, and a plurality of sets of stirring blades are arranged along the axial direction of the stirring shaft, and the scrapers arranged on both sides of the stirring shaft are adapted to the inner wall of the centrifugal cylinder;

The worm rotates under the drive of the first motor, and meshes with the first worm wheel provided at the end of the stirring shaft. When the worm rotates, the centrifugal cylinder can be driven by the transmission member to produce a direction opposite to that of the stirring shaft. rotation;

a sieve plate is arranged laterally in the box below the centrifugal cylinder, and is driven up and down by the vibrating assembly; and

The pushing assembly is arranged above the sieving plate and is used to push the impurities on the sieving plate into the material box provided under one side of the sieving plate.

A further improvement of the utility model is that the transmission member includes:

a second worm gear meshing with the worm; and

The first gear is arranged coaxially with the second worm gear through the transmission shaft, and meshes with the annular external gear sheathed on the outer peripheral surface of the centrifugal cylinder.

A further improvement of the utility model is that the vibrating assembly includes:

The crankshaft, driven by the second motor, is rotatably arranged on the box below the screening plate;

a push rod, the upper end of which is nested in the sleeve provided at the bottom of the screening plate;

a connecting rod, the first end of which is hinged to the crank throw in the middle of the crankshaft, and the second end is hinged to the lower end of the push rod; and

A plurality of damping members are arranged under the screening plate.

A further improvement of the utility model is that the damping member includes:

A guide column is arranged on the lower surface of the screening plate;

A fixed sleeve is vertically arranged inside the box, and the lower end of the guide column is sleeved in the fixed sleeve; and

The spring is sleeved on the guide column, the upper end is connected with the lower surface of the screening plate, and the lower end is connected with the top of the fixing sleeve.

A further improvement of the utility model is that the pusher assembly includes:

a reciprocating lead screw rotated under the drive of the third motor; and

The push plate is threadedly connected with the reciprocating lead screw, and is slidably connected with the optical axis parallel to the reciprocating lead screw, and the lower end of the push plate is slidably connected with the upper surface of the screening plate.

A further improvement of the utility model is that the first deflector arranged under the screening plate is inclined towards the discharge port at the bottom of the box.

A further improvement of the present invention is that side plates are provided on the first deflectors on both sides of the discharge opening.

A further improvement of the present utility model is that, on the inner walls of both sides of the box between the screening plate and the centrifugal cylinder, there are second deflectors inclined to the middle, and the two second deflectors A blanking channel is arranged between the plates.

A further improvement of the utility model is that a rubber block matching the inner diameter of the sleeve is provided on the top of the push rod.

A further improvement of the utility model is that the bottom of the centrifugal cylinder is conical.

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

The utility model provides a screening and filtering device for producing decorative base paper. The centrifugal cylinder is driven by a drive assembly to perform first-stage centrifugal filtration, and at the same time, the stirring shaft inside the centrifugal cylinder is driven by the drive assembly to synchronize the Stirring is carried out, and the material after centrifugal filtration passes through the second stage of vibration filtration on the sieve plate. Compared with the existing technology, the two-stage filtration of the material makes the material filtration effect better, and the two dynamic filtration methods of centrifugal and vibration can speed up the filtration speed and improve the production efficiency, which has great promotion value.

The above technical progress is mainly achieved by the following detailed technical improvements:

When the first motor drives the worm to rotate, the worm meshes with the first worm gear to drive the stirring shaft to rotate, the second worm gear meshes with the worm, and drives the first gear to mesh with the annular external gear through the transmission shaft, and the rotation of the two worm wheels and the first gear is the same , the ring-shaped external gear will drive the centrifugal cylinder to rotate in the opposite direction, and the large particles of impurities in the material will be filtered out through centrifugal filtration. At the same time of centrifugal filtration, when the stirring shaft rotates, it drives the scraper to clean the inner wall of the centrifugal cylinder. The structure is simple, and the filtration speed is fast, which is convenient for cleaning.

The second motor drives the crankshaft to rotate, so that the ejector rod rises and falls inside the sleeve under the action of the crank, lifts up the screening plate, and then falls down. The screening plate can vibrate up and down to filter fine impurities, and the vibration speeds up the filtration. Efficiency, after completion, the third motor drives the reciprocating lead screw to rotate, so that the push plate moves in translation to collect impurities in the material box. Through two times of filtration, the impurity removal effect of the material is better.

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 overall structure schematic diagram of the sieving and filtering equipment described in the utility model;

Fig. 2 is a schematic diagram of the internal structure of the box body described in the utility model;

Fig. 3 is a structural schematic diagram of the transmission member described in the utility model;

Fig. 4 is a structural schematic diagram of the vibration assembly of the present invention;

Fig. 5 is a structural schematic diagram of the pushing assembly of the utility model;

Explanation of reference signs:

10-box, 11-feed inlet, 12-discharge port, 13-material box, 14-first deflector, 141-side plate, 15-second deflector, 16-blanking channel, 20 -centrifugal cylinder, 21-stirring shaft, 211-stirring blade, 212-scraper, 22-worm, 23-first motor, 24-first worm gear, 30-transmission member, 31-second worm gear, 32-first Gear, 33-transmission shaft, 34-annular external gear, 40-screening plate, 41-sleeve, 50-vibration assembly, 51-crankshaft, 511-crank throw, 52-second motor, 53-rod, 54 -connecting rod, 55-guiding column, 56-fixed sleeve, 57-spring, 60-pushing material assembly, 61-reciprocating screw, 62-the third motor, 63-pushing plate, 64-optical axis.

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.

The utility model provides a screening and filtering device for producing decorative base paper. According to accompanying drawings 1 to 5 of the specification, a screening and filtering device for producing decorative base paper includes: a feeding port 11 is arranged on the top of a box body 10 , the inside of the box body 10 below the feed port 11 is provided with a centrifuge cylinder 20, when the centrifuge cylinder 20 rotates, the feed port 11 can continuously supply materials to the centrifuge cylinder 20; the stirring shaft 21 is rotatably arranged in the centrifuge cylinder 20, A plurality of sets of stirring blades 211 are arranged along the axial direction of the stirring shaft 21, and the scrapers 212 arranged on both sides of the stirring shaft 21 are adapted to the inner wall of the centrifugal cylinder 20; The first worm wheel 24 provided at the end of 21 meshes with each other. When the worm 22 rotates, the transmission member 30 can drive the centrifugal cylinder 20 to rotate in the opposite direction to the stirring shaft 21; body 10, and is driven up and down by the vibrating assembly 50; the pushing assembly 60 is arranged above the screening plate 40, and is used to push the impurities on the screening plate 40 to the material box 13 provided on one side of the screening plate 40 ; The first deflector 14 is arranged below the screening plate 40 and is inclined toward the outlet 12 provided at the bottom of the box 10 .

After the material is fed into the feed port 11, it falls into the centrifuge cylinder 20, and the first motor 23 and the worm 22 rotate, so that the first worm gear 24 meshed with the worm 22 drives the stirring shaft 21 to rotate, and at the same time, through the transmission member 30, Centrifugal cylinder 20 produces rotation in the opposite direction to stirring shaft 21, so that the differential speed between stirring shaft 21 and centrifugal cylinder 20 is relatively large. Impurities on the inner wall are scraped off to prevent centrifuge cylinder 20 from clogging. The bottom of the centrifuge cylinder 20 is conical, and the scraper 212 is adapted to the bottom of the centrifuge cylinder 20. After opening the valve below the centrifuge cylinder 20, the impurities are discharged from the bottom of the centrifuge cylinder 20, and the impurities are collected and processed.

The filter holes on the centrifugal cylinder 20 are larger than the filter holes on the screening plate 40, and the centrifugal cylinder 20 can filter out large particles of impurities in the material. The pulp filtered through the first stage flows into the screening plate 40 provided under the centrifugal cylinder 20, and the screening plate 40 is vibrated by the vibrating assembly 50 to perform filtration, which can speed up the filtration efficiency and filter fine impurities. Compared with the static filtration, the two filtration methods of centrifugal and vibration are more efficient, more fully filtered, and have a better effect on pulp removal. After completion, the impurities on the screening plate 40 are collected in the material box 13 by the pushing assembly 60, which reduces the cleaning difficulty and cleaning time of the staff, reduces the labor intensity of the staff, and the two-stage filtration also reduces Stage filtration, because the filter hole is too small and blocked by large particles of impurities.

As an embodiment, according to accompanying drawing 3 of specification, transmission member 30 comprises: the second worm gear 31 meshes with worm 22; The annular external gear 34 sleeved on the outer peripheral surface is engaged with each other.

When the first motor 23 drives the worm screw 22 to rotate, the second worm gear 31 meshes with the worm screw 22, and drives the first gear 32 to mesh with the annular external gear 34 through the transmission shaft 33 coaxially arranged, and the turning of the two worm gears and the first gear 32 They are all the same, and the direction of the first worm gear 24 is the same as that of the stirring shaft 21 , and the rotation of the annular external gear 34 and the first gear 32 is opposite, which will drive the centrifugal cylinder 20 to rotate in the opposite direction.

As an embodiment, according to accompanying drawing 4 of the specification, it can be seen that the vibrating assembly 50 includes: the crankshaft 51 is rotatably arranged on the box body 10 below the screening plate 40 under the drive of the second motor 52; Set in the sleeve 41 set at the bottom of the screening plate 40; the first end of the connecting rod 54 is hinged with the bell crank in the middle of the crankshaft 51, and the second end is hinged with the lower end of the ejector rod 53; plate 40 below.

The second motor 52 drives the crankshaft 51 to rotate, and the bell crank 511 has the effect of eccentric setting, which will cause the ejector rod 53 to rise and fall inside the sleeve 41 under the drive of the bell crank 511, and the screening plate 40 will be jacked up and then dropped to make the screen The sub-plate 40 can be reciprocated and lifted to produce a vibration effect, thereby speeding up the screening efficiency.

In this embodiment, according to the accompanying drawing 4 of the specification, it can be known that the damping member includes: a guide post 55 is arranged on the lower surface of the screening plate 40; 56; the spring 57 is sleeved on the guide column 55, the upper end is connected with the lower surface of the screening plate 40, and the lower end is connected with the top of the fixed sleeve 56.

Specifically, four damping members can be provided, which are respectively arranged at the four corners of the screening plate 40 . When the screening plate 40 vibrates up and down, the gasket on the guide column 55 slides in the fixed sleeve 56, and the vibration damping effect is played on the screening plate 40 through the spring 57, so as to ensure that the screening plate 40 can remain stable when vibrating .

As an embodiment, according to accompanying drawing 5 of specification, pusher assembly 60 comprises: reciprocating lead screw 61 rotates under the drive of third motor 62; The optical axis 64 arranged in parallel is slidably connected, and the lower end of the push plate 63 is slidably connected to the upper surface of the screening plate 40 . After stopping the screening, the screening plate 40 is in the state of being jacked up, the upper surface of the screening plate 40 is in contact with the lower end of the push plate 63, and when the reciprocating lead screw 61 is driven by the third motor 62 to rotate, the push plate 63 and the reciprocating The lead screw 61 is threaded, and under the guidance of the optical axis 64 , the push plate 63 pushes the impurities into the material box 13 arranged under one side of the screening plate 40 .

In this embodiment, according to the accompanying drawing 2 of the specification, it can be seen that the first deflector 14 disposed below the screening plate 40 is inclined towards the discharge port 12 at the bottom of the box body 10 .

In this embodiment, according to the accompanying drawing 2 of the specification, side plates 141 are arranged on the first deflectors 14 on both sides of the discharge port 12 to facilitate guiding materials to the discharge port 12 .

In this embodiment, according to the accompanying drawing 2 of the specification, there are second deflectors 15 inclined to the middle on the inner walls on both sides of the box body 10 between the screening plate 40 and the centrifugal cylinder 20, and the two second deflectors A blanking channel 16 is arranged between the plates 15 to facilitate the centrifuged material to fall on the screening plate 40 .

In this embodiment, the top of the push rod 53 is provided with a rubber block matching the inner diameter 41 of the sleeve, which can reduce vibration and prevent damage to the screening plate 40 .

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 screening and filtering device for producing decorative base paper, characterized in that it comprises: A box body, the top of which is provided with a feed inlet, and a centrifuge cylinder is arranged inside the box body below the feed inlet; The stirring shaft is rotatably arranged in the centrifugal cylinder, and a plurality of sets of stirring blades are arranged along the axial direction of the stirring shaft, and the scrapers arranged on both sides of the stirring shaft are adapted to the inner wall of the centrifugal cylinder; The worm rotates under the drive of the first motor, and meshes with the first worm wheel provided at the end of the stirring shaft. When the worm rotates, the centrifugal cylinder can be driven by the transmission member to produce a direction opposite to that of the stirring shaft. rotation; a sieve plate is arranged laterally in the box below the centrifugal cylinder, and is driven up and down by the vibrating assembly; and The pushing assembly is arranged above the sieving plate and is used to push the impurities on the sieving plate into the material box provided under one side of the sieving plate. 2. A kind of screening filter equipment that produces decorative base paper according to claim 1, is characterized in that, described transmission member comprises: a second worm gear meshing with the worm; and The first gear is arranged coaxially with the second worm gear through the transmission shaft, and meshes with the annular external gear sheathed on the outer peripheral surface of the centrifugal cylinder. 3. A kind of screening filter equipment that produces decorative base paper according to claim 1, is characterized in that, described vibrating assembly comprises: The crankshaft, driven by the second motor, is rotatably arranged on the box below the screening plate; a push rod, the upper end of which is nested in the sleeve provided at the bottom of the screening plate; a connecting rod, the first end of which is hinged to the crank throw in the middle of the crankshaft, and the second end is hinged to the lower end of the push rod; and A plurality of damping members are arranged under the screening plate. 4. A kind of screening and filtering equipment for producing decorative base paper according to claim 3, characterized in that, the damping member comprises: A guide column is arranged on the lower surface of the screening plate; A fixed sleeve is vertically arranged inside the box, and the lower end of the guide column is sleeved in the fixed sleeve; and The spring is sleeved on the guide column, the upper end is connected with the lower surface of the screening plate, and the lower end is connected with the top of the fixing sleeve. 5. A kind of screening filter equipment that produces decorative base paper according to claim 3, is characterized in that, described pushing assembly comprises: a reciprocating lead screw rotated under the drive of the third motor; and The push plate is threadedly connected with the reciprocating lead screw, and is slidably connected with the optical axis parallel to the reciprocating lead screw, and the lower end of the push plate is slidably connected with the upper surface of the screening plate. 6. A kind of screening and filtering equipment for producing decorative base paper according to any one of claims 1-5, characterized in that, the first deflector arranged below the screening plate faces toward the bottom of the box. The outlet direction is inclined. 7 . The screening and filtering equipment for producing decorative base paper according to claim 6 , wherein side plates are arranged on the first deflectors on both sides of the outlet. 8 . 8. A kind of screening and filtering equipment for producing decorative base paper according to claim 6, characterized in that, the inner walls on both sides of the box between the screening plate and the centrifugal cylinder are provided with An inclined second deflector, and a blanking channel is arranged between the two second deflectors. 9 . The screening and filtering device for producing decorative base paper according to claim 3 , wherein a rubber block matching the inner diameter of the sleeve is provided on the top of the push rod. 10 . 10. A screening and filtering device for producing decorative base paper according to claim 2, characterized in that the bottom of the centrifugal cylinder is conical.

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