CN113445351A

CN113445351A - High-concentration mixed pulp grinding device for producing high-strength corrugated paper

Info

Publication number: CN113445351A
Application number: CN202110768780.4A
Authority: CN
Inventors: 徐卫城; 叶剑; 范小明; 徐文; 陈敏; 施德新; 张维海
Original assignee: Zhejiang Jinlong Renewable Resources Technology Co Ltd
Current assignee: Zhejiang Jinlong Renewable Resources Technology Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-09-28
Anticipated expiration: 2041-07-07
Also published as: CN113445351B

Abstract

The invention discloses a high-concentration mixed pulp grinding device for producing high-strength corrugated paper, which comprises an outer cylinder, an inner cylinder, a scraping device, a driving device and a plugging device, wherein the inner cylinder is sleeved in the outer cylinder, the bottom of the inner cylinder is provided with a plurality of first through holes, the position of the side wall of the inner cylinder, which is close to the top, is provided with a plurality of second through holes with the diameter smaller than that of the first through holes, the driving device is arranged between the outer cylinder and the inner cylinder, and two groups of driving devices are arranged on the driving device. And the long fibers flow into the inner barrel, so that the secondary grinding of the long fibers is realized, and the grinding efficiency is improved.

Description

High-concentration mixed pulp grinding device for producing high-strength corrugated paper

Technical Field

The invention relates to the technical field of pulping devices, in particular to a high-concentration mixed pulping device for producing high-strength corrugated paper.

Background

The pulp is subjected to a pulping process, also called refining, by a disc refiner. The physical method is used to mechanically or fluidically process the pulp fiber in water, so that the fiber is subjected to shearing force, the form of the fiber is changed, and the pulp obtains certain characteristics, so as to ensure that the paper made by the pulp meets the expected quality requirement, and the process is called 'beating'.

In the process of producing and grinding the corrugated paper, long fiber and flocculent unground paper pulp are easily attached to the wall surface of a grinding chamber due to the stirring of the solution and cannot be fully mixed into the pulp, so that the paper pulp cannot be fully ground or the grinding time is long. Therefore, a high-concentration mixing and refining device for producing high-strength corrugated paper is provided.

Disclosure of Invention

The invention aims to provide a high-concentration mixed pulp grinding device for producing high-strength corrugated paper with more fully ground paper pulp, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high concentration mixed refining device of high strength corrugated paper production usefulness, includes urceolus, inner tube, scraping device, drive arrangement and plugging device, the inner tube cup joints in the urceolus, the inner tube bottom is fixed with down the mill, the top is fixed with the top cap on the inner tube, be fixed with driving motor on the top cap, driving motor's output shaft rotates the one end that runs through the top cap and passes through the bearing and be connected with mill rotation down, be fixed with the top mill on driving motor's the output shaft, a plurality of first through-holes have been seted up to the inner tube bottom, the inner tube lateral wall is close to the top position and sets up the second through-hole that a plurality of diameters are greater than first through-hole for long fiber and the cotton-like good paper pulp that does not grind of inner tube inner wall adhesion strike off, include the scraping board with the laminating of inner tube inner wall, install coupling assembling on the scraping board, be used for drive scraping device and inner tube relative motion, the driving device is installed between the outer barrel and the inner barrel, two groups of driving devices are arranged and used for plugging the first through holes, and the plugging device is installed at the bottom of the inner barrel.

Preferably, coupling assembling includes first go-between and the second go-between that cup joints with the inner tube slip, slip joint has a plurality of cardboards on first go-between and the second go-between, the lateral wall that the cardboard surpassed the one end of inner tube all is fixed with scraping board fixed connection's spliced pole, connects a plurality of spliced poles through first go-between and second go-between for scrape the board at the in-process that reciprocates along the inner tube inner wall, level and smooth firm.

Preferably, the driving device comprises a supporting seat fixedly connected with the outer barrel, a gear motor is fixed on the supporting seat, one end of an output shaft of the gear motor is rotatably connected with a mounting plate fixedly connected with the inner wall of the outer barrel through a bearing, a first gear is fixed on the output shaft of the gear motor, a first rack fixedly connected with the clamping plate is meshed on the first gear, a transmission assembly used for driving the inner barrel to ascend and descend is connected on the first gear, the first gear on the two sets of driving devices rotates to drive the first rack to move, the clamping plate is further driven to move, and scraping of objects adhered to the inner wall of the inner barrel by the scraping device is achieved.

Preferably, transmission assembly includes the second gear with first gear engaged with, be fixed with first transmission shaft on the second gear, the both ends of first transmission shaft are passed through the bearing respectively and are rotated with supporting seat and mounting panel and be connected, it is fixed with the third gear to be located between second gear and the mounting panel to the transmission shaft, third gear engagement has the second rack right with inner tube outer wall fixed connection, the second go-between cup joints with the second rack is slided, makes gear motor drive scraping device remove through transmission assembly's in-process, drives the inner tube and removes to setting through transmission assembly, make the speed that the scraping device of inner tube removed different, both form relative motion, make the scraping of scraping board to inner tube inner wall long fiber.

Preferably, plugging device includes the electric telescopic handle with inner tube diapire fixed connection, electric telescopic handle's output is fixed with the shutoff dish, be fixed with a plurality ofly on the shutoff dish with the jam of first through-hole looks adaptation, the backing ring with shutoff dish fixed connection all cup joints outward to the shutoff, through the shutoff and the opening of the first through-hole of the effectual control of plugging device, adapts to the outflow and the shutoff of thick liquid of grinding to thick liquid.

Preferably, the number of teeth of the third gear is less than that of the second gear, so that in the transmission process, the rising speed of the inner cylinder is less than that of the scraping device, relative movement is formed, and the scraping plate can scrape the inner wall of the inner cylinder conveniently.

Preferably, the upper grinding disc is provided with a plurality of third through holes, so that the reflowing slurry can punch long fibers on the scraping plate to the upper part of the upper grinding disc and flow between the upper grinding disc and the lower grinding disc, and the slurry can be grinded conveniently.

Preferably, a plurality of grinding teeth are fixed on the upper grinding disc and the lower grinding disc, and meanwhile, a certain gap is reserved between the die teeth on the upper grinding disc and the lower grinding disc, so that grinding is facilitated.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the relative movement of the scraping plate and the inner cylinder, long fibers and flocculent pulp which are not fully ground on the inner wall of the inner cylinder are scraped, and the first through hole is separated from the blockage through the matching of the blockage and the first through hole in the ascending stage of the inner cylinder, slurry flows into the outer cylinder, and when the inner cylinder descends, the blockage is combined with the first through hole, liquid in the inner cylinder is pressed into the inner cylinder through the second through hole, and the long fibers on the scraping plate are washed and flow into the inner cylinder, so that the secondary grinding of the long fibers is realized, and the grinding efficiency is improved.

2. According to the invention, through the plurality of third through holes on the upper grinding disc, the backflow slurry can conveniently enter between the upper grinding disc and the lower grinding disc, and the grinding efficiency is improved.

3. According to the invention, the gasket ring is arranged outside the plug, so that the sealing property when the first through hole is plugged is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the scraping apparatus of the present invention as it is moved to its uppermost position;

FIG. 3 is a schematic structural diagram of a driving device according to the present invention;

FIG. 4 is a schematic diagram of an exploded view of the plugging device and the inner barrel of the present invention;

FIG. 5 is a schematic view of the relative position between the connecting assembly and the inner barrel according to the present invention;

FIG. 6 is an enlarged view of area A of FIG. 3;

FIG. 7 is a schematic structural view of another embodiment of a connecting column according to the present invention;

fig. 8 is a structural schematic diagram of another embodiment of the upper grinding disc of the invention.

In the figure: 1-outer cylinder; 2-inner cylinder; 3-lower grinding disc; 4-a top cover; 5-driving a motor; 6-grinding disc; 7-a first via; 8-a second via; 9-a scraping device; 10-scraping plate; 11-a connecting assembly; 12-a drive device; 13-an occlusion device; 14-a first connecting ring; 15-a second connecting ring; 16-a clamping plate; 17-connecting column; 18-a support base; 19-a gear motor; 20-mounting a plate; 21-a first gear; 22-a first rack; 23-a transmission assembly; 24-a second gear; 25-a first drive shaft; 26-a third gear; 27-a second rack; 28-an electric telescopic rod; 29-plugging disc; 30-blocking; 31-a backing ring; 32-a third via; 33-grinding teeth.

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.

Example one

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a high concentration mixed refining device of high strength corrugated paper production usefulness, includes urceolus 1, inner tube 2, scraping device 9, drive arrangement 12 and plugging device 13, inner tube 2 cup joints in urceolus 1, inner tube 2 bottom is fixed with lower mill 3, the top is fixed with top cap 4 on the inner tube 2, be fixed with driving motor 5 on the top cap 4, the one end that driving motor 5's output shaft rotated and run through top cap 4 passes through the bearing and is connected with lower mill 3 rotation, be fixed with the head stone 6 on the output shaft of driving motor 5, all be fixed with a plurality of mill teeth 33 on head stone 6 and the lower mill 3, simultaneously, remain certain clearance between the die teeth on head stone 6 and the lower mill 3, the thick liquid of being convenient for grinds, a plurality of first through-holes 7 have been seted up to inner tube 2 bottom, the inner tube 2 lateral wall is close to the top position and sets up a plurality of diameters and is greater than second through-hole 8 of first through-hole 7, a paper pulp for being directed at 2 inner wall adhesions of inner tube and flocculent not grinding strikes off, include the scraping plate 10 with the laminating of 2 inner walls of inner tube, install coupling assembling 11 on the scraping plate 10 for

drive scraping device

9 and 2 relative motion of inner tube, drive arrangement 12 is installed between urceolus 1 and inner tube 2, drive arrangement 12 is equipped with two sets ofly, is used for carrying out the shutoff to a plurality of first through-holes 7, plugging device 13 installs in the 2 bottoms of inner tube.

Wherein, coupling assembling 11 includes first go-between 14 and the second go-between 15 with inner tube 2 sliding sleeve, sliding clamping joint has a plurality of cardboards 16 on first go-between 14 and the second go-between 15, the lateral wall that cardboard 16 surpassed the one end of inner tube 2 all is fixed with the spliced pole 17 of scraping board 10 fixed connection, connects a plurality of spliced poles 17 through first go-between 14 and second go-between 15 for scrape the in-process that board 10 reciprocated along the inner wall of inner tube 2, level and smooth firm.

In addition, the driving device 12 comprises a supporting seat 18 fixedly connected with the outer cylinder 1, a gear motor 19 is fixed on the supporting seat 18, one end of an output shaft of the gear motor 19 is rotatably connected with an installation plate 20 fixedly connected with the inner wall of the outer cylinder 1 through a bearing, a first gear 21 is fixed on the output shaft of the gear motor 19, a first rack 22 fixedly connected with the clamping plate 16 is meshed on the first gear 21, a transmission assembly 23 used for driving the inner cylinder 2 to ascend and descend is connected on the first gear 21, and the first gear 21 on the two groups of driving devices 12 rotates to drive the first rack 22 to move so as to drive the clamping plate 16 to move, so that the scraping device 9 scrapes adhered objects on the inner wall of the inner cylinder 2.

The transmission assembly 23 includes a second gear 24 engaged with the first gear 21, a first transmission shaft 25 is fixed on the second gear 24, two ends of the first transmission shaft 25 are rotatably connected with the support seat 18 and the mounting plate 20 through bearings, respectively, a third gear 26 is fixed between the second gear 24 and the mounting plate 20, the third gear 26 is engaged with a second rack 27 fixedly connected with the outer wall of the inner cylinder 2, the second connection ring 15 is slidably sleeved with the second rack 27, the gear motor 19 drives the scraping device 9 to move in the process of driving the scraping device 9 by the transmission assembly 23, and the transmission assembly 23 drives the inner cylinder 2 to move, so that the scraping device 9 of the inner cylinder 2 moves at different speeds, and forms relative motion therebetween, and the scraping plate 10 scrapes long fibers on the inner wall of the inner cylinder 2.

Plugging device 13 includes the electric telescopic handle 28 with 2 diapire fixed connection of inner tube, electric telescopic handle 28's output is fixed with plugging disc 29, be fixed with a plurality ofly on the plugging disc 29 with the jam 30 of first through-hole 7 looks adaptation, the jam 30 all cup joints backing ring 31 with plugging disc 29 fixed connection outward, through the effectual shutoff and the opening of the first through-hole 7 of plugging device 13, adapts to the outflow and the shutoff of thick liquid of grinding.

The number of teeth of the third gear 26 is less than that of the second gear 24, so that during the transmission process, the rising speed of the inner cylinder 2 is less than that of the scraping device 9, a relative motion is formed, and the scraping plate 10 can scrape the inner wall of the inner cylinder 2 conveniently.

The upper grinding disc 6 is provided with a plurality of third through holes 32, so that the backflow slurry can flush long fibers on the scraping plate 10 above the upper grinding disc 6 and flow between the upper grinding disc 6 and the lower grinding disc 3, and the slurry can be conveniently ground.

In this scheme, the theory of operation that scraping device 9, drive arrangement 12 and plugging device 13 synergism ground thick liquid: the driving motor 5 is started to drive the upper millstone 6 to rotate, preliminary grinding is realized through the relative motion of the grinding teeth 33 on the upper millstone 6 and the lower millstone 3, when grinding is carried out for a period of time, the inner wall of the inner cylinder 2 can be adhered with a plurality of long fibers or unground flocculent paper pulp, at the same time, two groups of gear motors 19 are started simultaneously, the first gear 21 drives the first rack 22 to move, the clamping plate 16 is driven to move, the scraping plate 10 is driven to move through a plurality of connecting columns 17, the first gear 21 drives the second gear 24 engaged with the first gear 21 to rotate, the third gear 26 is driven to rotate through the first transmission shaft 25, the second rack 27 is driven to move, so that the inner cylinder 2 moves, because the tooth number of the third gear 26 is less than that of the second gear 24, the rising speed of the inner cylinder 2 is less than that of the scraping device 9, and the scraping plate 10 and the inner cylinder 2 form relative motion, in addition, when the inner barrel 2 rises, the electric telescopic rod 28 is started to drive the plugging movement to separate the plug 30 from the first through hole 7, so that slurry in the inner barrel is left in the outer barrel 1, when the relative position of the scraping plate 10 and the inner barrel 2 reaches the maximum, the long fibers on the inner wall of the inner barrel 2 are scraped, then the two groups of driving motors are turned over, and simultaneously the electric telescopic rod 28 is started to enable the plug 30 to seal the first through hole 7, at the moment, the inner barrel 2 moves downwards to press the slurry in the outer barrel 1 to the second through hole 8 of the inner barrel 2 and flows into the inner barrel 2, and when the slurry flows into the inner barrel 2, the long fibers and flocculent fibers on the scraping plate 10 are flushed onto the upper grinding disc 6 and flow into a space between the upper grinding disc 6 and the lower grinding disc 3 through the third through hole 32, so that secondary grinding of the long fibers is realized.

Example two

Referring to fig. 7 to describe the second embodiment, this embodiment further describes the first embodiment, a high-concentration mixing and refining device for producing high-strength corrugated paper includes an outer cylinder 1, an inner cylinder 2, a scraping device 9, a driving device 12 and a plugging device 13, the inner cylinder 2 is sleeved in the outer cylinder 1, a lower grinding disc 3 is fixed at the bottom of the inner cylinder 2, a top cover 4 is fixed at the upper top of the inner cylinder 2, a driving motor 5 is fixed on the top cover 4, one end of the output shaft of the driving motor 5, which penetrates the top cover 4 in a rotating manner, is rotatably connected with the lower grinding disc 3 through a bearing, an upper grinding disc 6 is fixed on the output shaft of the driving motor 5, a plurality of grinding teeth 33 are fixed on the upper grinding disc 6 and the lower grinding disc 3, meanwhile, a certain gap is reserved between the grinding teeth on the upper grinding disc 6 and the lower grinding disc 3 to facilitate refining, a plurality of first through holes 7 are formed at the bottom of the

inner cylinder

2, 2 lateral walls of inner tube are close to the second through-hole 8 that a plurality of diameters are greater than first through-hole 7 that the top position was seted up for long fiber and the flocculent good paper pulp that does not grind of 2 inner wall adhesions of inner tube strike off, include the scraping plate 10 with the laminating of 2 inner walls of inner tube, install coupling assembling 11 on the scraping plate 10 for

drive scraping device

9 and 2 relative motion of inner tube, drive arrangement 12 installs between urceolus 1 and inner tube 2, drive arrangement 12 is equipped with two sets ofly for carry out the shutoff to a plurality of first through-holes 7, plugging device 13 installs in the 2 bottoms of inner tube.

Coupling assembling 11 includes first go-between 14 and the second go-between 15 with inner tube 2 sliding sleeve, sliding clamping joint has a plurality of cardboards 16 on first go-between 14 and the second go-between 15, the lateral wall that cardboard 16 surpassed the one end of inner tube 2 all is fixed with the spliced pole 17 of scraping board 10 fixed connection, connects a plurality of spliced poles 17 through first go-between 14 and second go-between 15 for scrape board 10 at the in-process that reciprocates along the inner tube 2 inner wall, level and smooth firm

The connecting column 17 can be designed into a cylinder shape, so that the pulp flows in the pulp grinding process, and the grinding efficiency is improved.

EXAMPLE III

Referring to fig. 8 to describe the third embodiment, this embodiment further describes another embodiment, and a high-concentration mixing and refining apparatus for producing high-strength corrugated paper includes an outer cylinder 1, an inner cylinder 2, a scraping device 9, a driving device 12, and a plugging device 13, where the inner cylinder 2 is sleeved in the outer cylinder 1, a lower grinding disc 3 is fixed at the bottom of the inner cylinder 2, a top cover 4 is fixed at the top of the inner cylinder 2, a driving motor 5 is fixed on the top cover 4, one end of the output shaft of the driving motor 5, which penetrates the top cover 4 in a rotating manner, is rotatably connected with the lower grinding disc 3 through a bearing, an upper grinding disc 6 is fixed on the output shaft of the driving motor 5, a plurality of grinding teeth 33 are fixed on the upper grinding disc 6 and the lower grinding disc 3, meanwhile, a certain gap is reserved between the die teeth on the upper grinding disc 6 and the lower grinding disc 3, so as to facilitate refining, a plurality of first through holes 7 are formed at the bottom of the

inner cylinder

drive scraping device

Wherein, the upper surface of the upper grinding disc 6 is a concave spherical surface, which is convenient for the slurry flowing to the upper grinding disc 6 to smoothly flow into the space between the upper grinding disc 6 and the lower grinding disc 3 through the third through hole 32.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high concentration mixed refining device of high strength corrugated paper production usefulness which characterized in that includes:

the grinding device comprises an outer barrel (1) and an inner barrel (2), wherein the inner barrel (2) is sleeved in the outer barrel (1), a lower grinding disc (3) is fixed at the bottom of the inner barrel (2), a top cover (4) is fixed at the upper top of the inner barrel (2), a driving motor (5) is fixed on the top cover (4), one end, which penetrates through the top cover (4) in a rotating mode, of an output shaft of the driving motor (5) is rotatably connected with the lower grinding disc (3) through a bearing, an upper grinding disc (6) is fixed on the output shaft of the driving motor (5), a plurality of first through holes (7) are formed in the bottom of the inner barrel (2), and a plurality of second through holes (8) with the diameter larger than that of the first through holes (7) are formed in the position, close to the top, of the side wall of the inner barrel (2);

the scraping device (9) is used for scraping long fibers and flocculent unground paper pulp adhered to the inner wall of the inner cylinder (2) and comprises a scraping plate (10) attached to the inner wall of the inner cylinder (2), and a connecting assembly (11) is mounted on the scraping plate (10);

the driving device (12) is used for driving the scraping device (9) and the inner cylinder (2) to move relatively, the driving device (12) is installed between the outer cylinder (1) and the inner cylinder (2), and two groups of driving devices (12) are arranged; and the plugging device (13) is used for plugging the plurality of first through holes (7), and the plugging device (13) is arranged at the bottom of the inner barrel (2).

2. The high consistency mixer refiner of claim 1, wherein the high consistency mixer comprises: coupling assembling (11) include first go-between (14) and second go-between (15) that cup joint with inner tube (2) slip, slip joint has a plurality of cardboard (16) on first go-between (14) and second go-between (15), lateral wall that cardboard (16) surpassed the one end of inner tube (2) all is fixed with spliced pole (17) of scraping board (10) fixed connection.

3. The high consistency mixer refiner of claim 1, wherein the high consistency mixer comprises: drive arrangement (12) including with urceolus (1) fixed connection's supporting seat (18), be fixed with gear motor (19) on supporting seat (18), the one end of gear motor (19) output shaft is connected with mounting panel (20) with urceolus (1) inner wall fixed connection through the bearing rotation, be fixed with first gear (21) on the output shaft of gear motor (19), meshing has first rack (22) with cardboard (16) fixed connection on first gear (21), be connected with transmission assembly (23) that are used for driving inner tube (2) to go up and down on first gear (21).

4. A high consistency mixer refiner as defined in claim 3 for the production of high strength corrugated paper, wherein: drive assembly (23) include second gear (24) with first gear (21) engaged with, be fixed with first transmission shaft (25) on second gear (24), the both ends of first transmission shaft (25) are passed through the bearing respectively and are rotated with supporting seat (18) and mounting panel (20) and be connected, be fixed with third gear (26) between transmission shaft position second gear (24) and mounting panel (20), third gear (26) meshing have with inner tube (2) outer wall fixed connection right second rack (27), second connecting ring (15) and second rack (27) sliding sleeve joint.

5. The high consistency mixer refiner of claim 1, wherein the high consistency mixer comprises: plugging device (13) include with inner tube (2) diapire fixed connection's electric telescopic handle (28), the output of electric telescopic handle (28) is fixed with shutoff dish (29), be fixed with jam (30) a plurality of and first through-hole (7) looks adaptation on shutoff dish (29), jam (30) all cup jointed outward with shutoff dish (29) fixed connection's backing ring (31).

6. The high consistency mixer refiner of claim 4 for the production of high strength corrugated paper, wherein: the number of teeth of the third gear (26) is smaller than that of the second gear (24).

7. The high consistency mixer refiner of claim 1, wherein the high consistency mixer comprises: the upper grinding disc (6) is provided with a plurality of third through holes (32).

8. The high consistency mixer refiner of claim 1, wherein the high consistency mixer comprises: a plurality of grinding teeth (33) are fixed on the upper grinding disc (6) and the lower grinding disc (3).