CN112301778A

CN112301778A - Veneer paper making assembly line

Info

Publication number: CN112301778A
Application number: CN202011144678.9A
Authority: CN
Inventors: 冯永忠; 刘涛; 薛超
Original assignee: Hubei Huahai Fiber Technology Co ltd
Current assignee: Hubei Huahai Fiber Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-02-02
Anticipated expiration: 2040-10-23
Also published as: CN112301778B

Abstract

The invention relates to a veneer paper making production line, which comprises a veneer crushing mechanism, a veneer feeding mechanism, a screening mechanism, a preheating and extruding mechanism, a soaking mechanism, a pulp grinding mechanism, a bleaching mechanism and a papermaking machine which are sequentially connected, wherein the soaking mechanism comprises a soaking pool, a mesh cage, a moving assembly and a stirrer, and the discharge end of the preheating and extruding mechanism is positioned above the soaking pool; the mesh cage is arranged in the soaking pool; the moving assembly comprises a support, a horizontal moving member and a vertical moving member, the support is arranged on the soaking pool in a spanning mode, the horizontal moving member is connected with the support in a sliding mode along the horizontal plane direction, the vertical moving member is fixedly connected with the horizontal moving member, and a moving end of the vertical moving member is fixedly connected with the mesh cage so as to drive the mesh cage to move along the horizontal direction and/or the vertical direction; the stirrer is fixedly connected with the moving end of the vertical moving piece; the problem of current steeping cistern soak the completion back at the material, collect inconveniently, and the material has the conveyer belt to lead to the material to pile up in leading to the steeping cistern, soaking effect is not good is solved.

Description

Veneer paper making assembly line

Technical Field

The invention relates to the technical field of papermaking, in particular to a board leather papermaking production line.

Background

The paper making industry takes the original plant fiber of wood, bamboo, reed and the like and the regenerated fiber of waste paper and the like as raw materials, belongs to the resource constraint industry, and has extremely high dependence degree on fiber sources.

At present, most of wood is used as raw materials for papermaking, in order to save cost and improve the utilization rate of resources, machines for papermaking by using veneers as raw materials are available on the market to save wood resources, during the process of preparing paper, materials subjected to preheating and extrusion treatment need to be introduced into a soaking pool, sodium sulfite aqueous solution is added to effectively expand wood fibers, and at present, the materials subjected to preheating and extrusion treatment are introduced into soaking through a conveying belt transportation method.

However, the existing soaking pool has the following problems that after the materials are soaked, the materials are inconvenient to collect, and the materials are guided into the soaking pool by a conveying belt, so that the materials are stacked, and the soaking effect is poor.

Disclosure of Invention

In view of this, it is necessary to provide a board-skin paper production line for solving the problems that the conventional soaking pool is inconvenient to collect after the materials are soaked, and the materials are accumulated due to the fact that the materials are guided into the soaking pool by a conveyor belt, and the soaking effect is not good.

The invention provides a veneer paper making production line which comprises a veneer crushing mechanism, a veneer feeding mechanism, a screening mechanism, a preheating and extruding mechanism, a soaking mechanism, a pulp grinding mechanism, a bleaching mechanism and a papermaking machine which are sequentially connected, wherein the soaking mechanism comprises a soaking pool, a mesh cage, a moving assembly and a stirrer, and the discharge end of the preheating and extruding mechanism is positioned above the soaking pool; the mesh cage is arranged in the soaking pool, and an opening is formed above the mesh cage; the moving assembly comprises a support, a horizontal moving member and a vertical moving member, the support is arranged on the soaking pool in a spanning mode, the horizontal moving member is connected with the support in a sliding mode along the horizontal plane direction, the vertical moving member is fixedly connected with the horizontal moving member, and the moving end of the vertical moving member is fixedly connected with the mesh cage so as to drive the mesh cage to move along the horizontal direction and/or the vertical direction; the agitator with the removal end fixed connection of vertical moving member, the stirring end of agitator with the cylinder mould corresponds the setting.

Further, the length direction of the soaking pool is greater than that of the net cage, and the length direction of the soaking pool is the horizontal moving direction of the net cage.

Furthermore, the moving assembly is a traveling crane, the traveling crane is provided with a horizontal moving member moving along the length direction of the traveling crane and a vertical moving member moving along the vertical direction, the vertical moving member of the traveling crane is provided with a hook, the hook is connected with the mesh cage through a connecting piece, the connecting piece is a rope, and the bottom of the hook is connected with the stirrer.

Furthermore, the board skin crushed aggregates mechanism comprises a crushed aggregates conveyor belt, a crushed aggregates machine, two groups of first guide assemblies and a transmission assembly, the crushed aggregates conveyor belt is provided with a discharge end, a feed inlet of the crushed aggregates machine is arranged corresponding to the discharge end of the crushed aggregates conveyor belt, the crushed aggregates machine is provided with a driving piece, the two groups of first guide assemblies are symmetrically arranged at two sides of the crushed aggregates conveyor belt, each first guide assembly comprises a support, a rotating shaft and an impeller, the rotating shaft is rotatably connected with the support, the impeller is sleeved on the rotating shaft, the impeller is partially positioned above the conveying surface, the rotating direction of the impeller is the same as the feeding direction of the crushed aggregates conveyor belt, a guide gap is formed between the two impellers, so that the length direction of the board skin passing through the guide gap is the same as the feeding direction of the crushed aggregates conveyor belt, one end of the transmission assembly is connected with the driving piece of the crushed aggregates machine, the other end of the transmission assembly is respectively connected with the two rotating shafts, so that a driving piece of the crusher drives the two rotating shafts to rotate;

and/or the size of the material guide gap is larger than the width of the slab, and the size of the material guide gap is smaller than the length of the slab;

and/or, the material guide assembly comprises a protection plate, the protection plate is an arc-shaped plate and is fixedly connected with the support, and one side, far away from the conveying belt, of the impeller is embedded in the concave surface of the protection plate.

Further, the slab feeding mechanism comprises a feeding hopper, a second material guiding assembly, a feeding assembly and a feeding driving assembly, the feeding hopper comprises a feeding cavity, the second material guiding assembly comprises a first material guiding plate and a second material guiding plate which are arranged in parallel, the first material guiding plate and the second material guiding plate are both arranged in the feeding cavity, the first material guiding plate and the second material guiding plate are both obliquely arranged, a feeding cavity is formed between the first material guiding plate and the second material guiding plate, a first material guiding opening is formed below the first material guiding plate, a second material guiding opening is formed below the second material guiding plate, the feeding assembly comprises a first screw rod group and a second screw rod group, the first screw rod group is rotatably connected with the feeding hopper, the first screw rod group is positioned above the first material guiding plate, the axial direction of the first screw rod group is the same as the oblique direction of the first material guiding plate, the first screw group is connected with the hopper in a rotating mode, the second screw group is arranged in the feeding cavity, the axis direction of the second screw group is the same as the inclination direction of the second guide plate, so that the materials in the first guide opening are guided into the second guide opening along the feeding cavity through the rotation of the second screw group, and the output end of the feeding driving assembly is connected with the first screw group and the second screw group and used for driving the first screw group and the second screw group to rotate;

and/or the first material guide plate and the second material guide plate are attached to the second screw rod group and are arranged at intervals;

and/or, the driving assembly comprises a motor, a first gear set and a second gear set, the motor is fixed on the side wall of the feeding hopper, an output shaft of the motor is connected with the second screw rod assembly, the first gear set is sleeved on the second screw rod assembly, the second gear set is sleeved on the first screw rod assembly, the first gear set is meshed with the second gear set, and the tooth diameter of the first gear set is smaller than that of the second gear set.

Further, the sieve separator is including straining a section of thick bamboo, first filter plate, second filter plate and selection material conveyer belt, strain a vertical setting, the one end that the hopper was kept away from to the pay-off conveyer belt is located and strains a section of thick bamboo directly over, be used for with material among the slab feeding mechanism is leading-in strain in the section of thick bamboo, place in the first filter plate in strain in the section of thick bamboo, place in the second filter plate in strain in the section of thick bamboo, the second filter plate is located under the first filter plate, install vibrating motor on the first filter plate, the second filter plate slope set up in strain in the section of thick bamboo, the second filter plate extends downwards along its incline direction outside the section of thick bamboo.

Further, the preheating and extruding mechanism is connected with the soaking pool through a conveyor belt, the feeding end of the conveyor belt is located under the preheating and extruding mechanism, and the discharging end of the conveyor belt is located over the soaking pool.

Further, preheat the extrusion mechanism and still include preheating section of thick bamboo, preheat motor, extrusion screw rod and heating jacket, preheating section of thick bamboo's one end is provided with the feed inlet, preheating section of thick bamboo's the other end is provided with the discharge gate, preheat the motor with preheating section of thick bamboo fixed connection, place in the extrusion screw rod is coaxial in preheating section of thick bamboo, extrusion screw rod's one end with preheating motor's output shaft, extrusion screw rod's the other end with preheating section of thick bamboo rotates and connects, the inner wall cover of heating jacket is located on preheating section of thick bamboo's the outer wall.

Furthermore, the pulping mechanism comprises a pulping barrel, two fixing plates, a grinding assembly and a grinding driving assembly, wherein the two fixing plates are arranged in the pulping barrel in the implementation process in sequence along the vertical direction, through holes are formed in the fixing plates, the upper parts and the lower parts of the fixing plates are communicated through the through holes, first conical surfaces are formed on the opposite sides of the two fixing plates, the grinding assembly comprises two grinding plates and a connecting shaft which are arranged in sequence along the vertical direction, the two grinding plates are arranged between the two fixing plates in sequence, the two grinding plates are fixedly connected through the connecting shaft, second conical surfaces are formed on the opposite sides of the two grinding plates, the two second conical surfaces correspond to the two first conical surfaces one by one, and grinding gaps are formed between the second conical surfaces and the corresponding first conical surfaces, the grinding driving assembly is fixed on the grinding cylinder, and the output end of the grinding driving assembly is connected with the connecting shaft and used for driving the connecting shaft to rotate.

Furthermore, the grinding assembly further comprises a limiting piece, the limiting piece is fixedly connected with the inside of the grinding cylinder, and the limiting piece is connected with the connecting shaft and used for limiting the axial movement of the connecting shaft;

wherein, the locating part includes two the limiting plate, two it is porose all to set up in the spacing for switch on the material in it, the outer wall of limiting plate all with the inner wall fixed connection of a mill thick liquid section of thick bamboo, one of them install the bearing on the limiting plate, the bearing with the connecting rod is connected, so that reduces the circumference of connecting rod is rocked, another fixedly connected with axle sleeve on the limiting plate, the inner wall of axle sleeve with the ring channel sliding connection who sets up on the outer wall of connecting rod, move for the axis of injecing the connecting rod.

Compared with the prior art, through setting up soaking mechanism includes fermentation vat, cylinder mould, removal subassembly and agitator, preheat the discharge end that extrudees the mechanism and be located directly over the fermentation vat, can directly lead to the cylinder mould in the fermentation vat via preheating the veneer of extrusion processing, soak in the fermentation vat enters into the cylinder mould, react with the veneer, the effectual inflation of wood fibre, simultaneously through setting up the agitator, stir the soak in the cylinder mould, make the veneer dispersion that gets into in the cylinder mould even, fully react with the soak, soak effectually, after the reaction is complete, can directly shift out the cylinder mould from the fermentation vat through removing the subassembly, the material is all in the cylinder mould, realize the quick collection of the material in the fermentation vat, and is further, through setting up including the veneer crushed aggregates mechanism that meets in proper order, veneer feeding mechanism, screening mechanism, preheat extrusion mechanism, The automatic paper making machine comprises a soaking mechanism, a pulp grinding mechanism, a bleaching mechanism and a paper making machine, wherein a board skin is subjected to crushed material treatment by the board skin crushed material mechanism, the board skin after crushed material is conveyed to a screening mechanism by a board skin feeding mechanism, the screening mechanism screens materials, impurities are screened off, and paper is formed through the preheating extrusion mechanism, the soaking mechanism, the pulp grinding mechanism, the bleaching mechanism and the paper making machine, so that the automatic paper making process is realized.

Drawings

FIG. 1 is a schematic structural diagram of a portion of an embodiment of a board making assembly line according to the present invention;

FIG. 2 is a schematic structural diagram of another integral part in an embodiment of a board making line according to the present invention;

FIG. 3 is a schematic structural diagram of a board crushing mechanism in an embodiment of a board making assembly line according to the present invention;

FIG. 4 is a schematic structural diagram of a board feeding mechanism in an embodiment of a board making assembly line according to the present invention;

FIG. 5 is a schematic structural diagram of a screening mechanism in an embodiment of a board making assembly line according to the present invention;

FIG. 6 is a schematic structural diagram of a preheating and pressing mechanism in an embodiment of a board-to-board paper production line provided by the present invention;

FIG. 7 is a schematic structural diagram of a soaking mechanism in an embodiment of a board-to-board paper production line provided by the present invention;

fig. 8 is a schematic structural diagram of a refining mechanism in an embodiment of a board-to-board paper production line provided by the invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

As shown in fig. 1-2, the board-skin paper-making production line in this embodiment includes a board-skin crushing mechanism 100, a board-skin feeding mechanism 200, a screening mechanism 300, a preheating and extruding mechanism 400, a soaking mechanism 500, a pulp-grinding mechanism 600, a bleaching mechanism 700, and a papermaking machine 800, which are connected in sequence;

as shown in fig. 7, the soaking mechanism 500 in this embodiment includes a soaking pool 510, a mesh cage 520, a moving assembly 530 and a stirrer 540, the mesh cage 520 is arranged in the soaking pool 510, the moving assembly 530 includes a support, a horizontal moving member and a vertical moving member, the support is arranged across the soaking pool 510, the horizontal moving member is connected with the support in a sliding manner, the vertical moving member is fixedly connected with the horizontal moving member, a moving end of the vertical moving member is fixedly connected with the mesh cage 520 so as to drive the mesh cage 520 to move along the horizontal direction and/or the vertical direction, the stirrer 540 is fixedly connected with the moving end of the vertical moving member, and a stirring end of the stirrer 540 is located right above the mesh cage 520.

Wherein the soaking pool 510 contains sodium sulfite aqueous solution to effectively swell the wood fiber.

Wherein, meshes are arranged on the net cage 520, so that the inside of the net cage 520 is communicated with the outside, and the upper part of the net cage 520 is opened for introducing materials.

The moving assembly 530 in this embodiment is a traveling crane, the traveling crane has a horizontal moving member moving along the length direction thereof and a vertical moving member moving along the vertical direction, the vertical moving member of the traveling crane has a hook, the hook is connected with the mesh cage 520 through a connecting member 521, the connecting member 521 can be a rope, and meanwhile, the bottom of the hook is also connected with a stirrer 540.

The stirrer 540 comprises a stirring motor, a stirring shaft and a stirring impeller, the stirring motor is hung on the hook, and an output shaft of the stirrer 540 is connected with the stirring impeller through the stirring shaft for driving the stirring impeller to rotate.

It should be noted that the discharge end of the preheating and extruding mechanism 400 is connected with the upper side of the soaking tank 510 through a conveyor belt, and the material extruded by the preheating and extruding mechanism 400 can be directly transported into the soaking tank 510 through the conveyor belt, so as to avoid interference between the mesh cage 520 and the conveyor belt in the vertical up-down process, the length direction in the soaking tank 510 in this embodiment is greater than the length direction of the mesh cage 520.

As shown in fig. 8, the refining mechanism 600 in this embodiment includes a refining barrel 610, two fixing plates 620 disposed oppositely, a grinding assembly 630 and a grinding driving assembly 640, the two fixing plates 620 are sequentially disposed in the refining barrel 610 along a vertical direction, a through hole 621 is disposed on the fixing plate 620, the upper and lower portions of the fixing plate 620 are communicated via the through hole 621, first tapered surfaces 622 are disposed on opposite sides of the two fixing plates 620, the grinding assembly 630 includes two grinding plates 631 disposed oppositely and a connecting shaft 632, the two grinding plates 631 are sequentially disposed between the two fixing plates 620 along the vertical direction, the two grinding plates 631 are fixedly connected via the connecting shaft 632, second tapered surfaces a are disposed on opposite sides of the two grinding plates 631, the two second tapered surfaces 631a correspond to the two first tapered surfaces 622 one by one, a grinding gap is formed between the second tapered surfaces 631a and the corresponding first tapered surfaces 622, the grinding driving assembly 640 is fixed on the slurry barrel 610, and an output end of the grinding driving assembly 640 is connected with the connecting shaft 632 for driving the connecting shaft 632 to rotate.

Wherein, the upper part of the refining cylinder 610 is provided with a feed inlet communicated with the inside of the refining cylinder, the bottom of the refining cylinder 610 is provided with a discharge outlet communicated with the inside of the refining cylinder, and the discharge outlet is provided with a filter screen for filtering.

The outer wall of the fixing plate 620 is fixedly connected with the inner wall of the refining cylinder 610 by welding, bolting, and the like, without limitation, and the second conical surface 631a is disposed to be attached to the corresponding first conical surface 622.

Because the grinding plate 631 and the fixing plate 620 are worn, after a period of time, the grinding gap above the grinding plate is increased, and the grinding gap below the grinding plate is decreased, which affects the grinding process.

Specifically, locating part 632a includes two limiting plates, all sets up porosely on two spacing for switch on the material in it, the outer wall of limiting plate all with the inner wall fixed connection who grinds thick liquid section of thick bamboo 610, install the bearing on one of them limiting plate, the bearing is connected with the connecting rod, reduces the circumference of connecting rod and rocks, fixedly connected with axle sleeve on another limiting plate, the ring channel sliding connection who sets up on the inner wall of axle sleeve and the outer wall of connecting rod for the axial displacement of injecing the connecting rod.

The grinding driving assembly 640 includes a grinding motor 641 and a driving shaft 642, wherein the grinding motor 641 is mounted on the slurry barrel 610, and an output shaft of the grinding motor 641 is connected to the connecting shaft 632 through the driving shaft 642.

As shown in fig. 3, the plate-leather crushing mechanism 100 in the embodiment includes a crushing conveyor 110, a crushing machine 120, two sets of first guiding assemblies 130 and a transmission assembly 140, the crushing conveyor 110 feeds the material into the crushing machine 120, the two sets of first guiding assemblies 130 are symmetrically arranged on two sides of the crushing conveyor 110, and the crushing machine 120 is connected to the first guiding assemblies 130 via the transmission assembly 140.

The scrap conveyor 110 in this embodiment has a discharge end, i.e., the end of the scrap conveyor 110 that is oriented in its feeding direction, it being understood that the feeding direction refers to the direction of movement of the upper layer of the scrap conveyor 110.

The particle conveyor 110 is a structure that can be conceived by those skilled in the art, and the slab is placed on the particle conveyor 110, and is moved by the movement of the particle conveyor 110, which is not described herein in detail.

The feed inlet of the crusher 120 in this embodiment is arranged corresponding to the discharge end of the crusher conveying belt 110, the slab is conveyed to the discharge end of the crusher conveying belt 110 via the crusher conveying belt 110 and falls into the feed inlet of the crusher 120, and the crusher 120 crushes the slab by crushing the slab falling into the crusher conveying belt.

The material crushing machine 120 has a driving member, typically a motor, and the material crushing end in the material crushing member is driven to rotate by the motor, so as to realize the material crushing process on the board, it can be understood that the material crushing machine 120 is a structure having a material crushing function that can be thought by those skilled in the art, and the structure of the material crushing machine 120 is not described herein too much.

The first guiding assembly 130 in this embodiment is used to adjust the direction of the sheet metal on the particle conveyor 110, and specifically, the length direction of the sheet metal entering the particle crusher 120 is directed to the feeding hole of the particle crusher 120 through the first guiding assembly 130 during the transportation of the sheet metal on the particle conveyor 110 due to the fact that the sheet metal has a length greater than the width of the sheet metal, which will be explained in detail below.

In this embodiment, the two sets of first material guiding assemblies 130 are symmetrically arranged on two sides of the particle conveying belt 110, each first material guiding assembly 130 includes a support, a rotating shaft and an impeller, the rotating shaft is rotatably connected with the support, the impeller is sleeved on the rotating shaft, the impeller is partially positioned above the conveying surface, the rotating direction of the impeller is the same as the feeding direction of the particle conveying belt 110, and a material guiding gap is formed between the two impellers so that the length direction of the sheet passing through the material guiding gap is the same as the feeding direction of the particle conveying belt 110.

The size of the material guide gap is larger than the width of the slab, and the size of the material guide gap is smaller than the length of the slab.

In order to prevent the impeller from accidentally injuring the operator in the rotating process, the first material guiding assembly 130 comprises a protection plate which is an arc-shaped plate and is fixedly connected with the support, and one side of the impeller, which is far away from the crushed material conveyor belt 110, is embedded in the inner concave surface of the protection plate, so that the impeller is prevented from being exposed outside.

One end of the transmission assembly 140 in this embodiment is connected to the driving member of the crusher 120, and the other end of the transmission assembly 140 is connected to the two rotating shafts, respectively, so that the driving member of the crusher 120 drives the two rotating shafts to rotate.

The conveying assembly in this embodiment includes a transmission shaft, a bevel gear set and a belt, two ends of the transmission shaft are respectively rotatably connected to the two brackets, the transmission shaft is respectively connected to the two rotating shafts through the bevel gear set, and a driving member of the crusher 120 is connected to the transmission shaft through the belt.

The bevel gear set comprises two bevel gear sets, the two bevel gear sets correspond to the two rotating shafts one by one, each bevel gear set comprises two bevel gear sets, the two bevel gear sets in each bevel gear set are respectively sleeved on the corresponding rotating shafts and the corresponding transmission shafts, and the two bevel gear sets in each bevel gear set are meshed with each other.

It should be noted that there is a gap between the impeller and the scrap conveyor 110, the gap being sized so that the impeller does not interfere with the scrap conveyor 110, and the impeller is capable of contacting the skin of the scrap conveyor 110.

Even if friction exists between the impeller and the scrap conveyor belt 110, the friction is reduced by setting the rotating speed of the rotating shaft to be the same as the feeding speed of the scrap conveyor belt 110.

In order to save electric energy and reduce the number of the motors, the particle conveyor belt 110 in this embodiment includes a roller, the conveying assembly further includes a spur gear set, the roller is in transmission connection with the transmission shaft via the spur gear set, the driving member on the particle crusher 120 drives the particle conveyor belt 110 to move, the whole device only uses one motor, namely, the motor on the particle crusher 120, and the cost is saved.

As shown in fig. 4, the slab feeding mechanism 200 in this embodiment includes a hopper 210, a second material guiding assembly 220, a feeding assembly 230, and a feeding driving assembly 240, wherein the second material guiding assembly 220 is disposed in the hopper 210, the feeding assembly 230 is disposed in the hopper 210, and an output end of the feeding driving assembly 240 is connected to the feeding assembly 230.

The hopper 210 in this embodiment includes a feeding cavity, and specifically, the upper portion of the hopper 210 in this embodiment is in an inverted cone shape, and the lower portion of the hopper 210 is in a straight cylinder shape, and through setting up the inverted cone shape of the upper portion, the material is convenient to be introduced along the conical surface thereof, so as to prevent the material from directly doing free falling motion, and the material is impacted on the second material guiding assembly 220 and the feeding assembly 230, so as to cause damage to the second material guiding assembly 220 and the feeding assembly 230.

The second material guiding assembly 220 in this embodiment includes a first material guiding plate 221 and a second material guiding plate 222 that are arranged in parallel, the first material guiding plate 221 and the second material guiding plate are both arranged in the material feeding cavity, the first material guiding plate 221 and the second material guiding plate 222 are both arranged in an inclined manner, a first material guiding opening is formed below the first material guiding plate 221, and a second material guiding opening is formed above the second material guiding plate 222.

The included angles between the first material guiding plate 221 and the horizontal plane and the included angles between the second material guiding plate 222 and the horizontal plane are both degrees, when the material is on the first material guiding plate 221, the material is stacked below the first material guiding plate 221 under the action of gravity, and similarly, when the material is on the second material guiding plate 222, the material is stacked below the second material guiding plate 222 under the action of gravity.

It is understood that the included angle between the first material guiding plate 221 and the second material guiding plate 222 and the horizontal plane, i.e., the inclined angle, is not limited, according to the specific situation.

The feeding assembly 230 in this embodiment includes a first screw group 231 and a second screw group 232, the first screw group 231 is rotatably connected to the hopper 210, the first screw group 231 is located above the first material guiding plate 221, an axial direction of the first screw group 231 is the same as an inclined direction of the first material guiding plate 221, so that the material on the first material guiding plate 221 is guided into the first material guiding opening by rotation of the first screw group 231, the second screw group 232 is rotatably connected to the hopper 210, the second screw group 232 is located between the first material guiding plate 221 and the second material guiding plate 222, an axial direction of the second screw group 232 is the same as an inclined direction of the second material guiding plate 222, so that the material on the second material guiding plate 222 is guided into the second material guiding opening by rotation of the second screw group 232.

The first screw group 231 includes a plurality of first screws sequentially arranged in parallel along a horizontal direction, the plurality of first screws are tiled above the first material guide plate 221, and a feeding direction of the first screws is the same as a downward direction of the first material guide plate 221.

The second screw group 232 includes a plurality of second screws sequentially arranged in parallel along the horizontal direction, the plurality of second screws are laid between the first material guide plate 221 and the second material guide plate 222, and the feeding direction of the second screws is the same as the upward direction of the second material guide plate 222.

Further, the first material guiding plate 221 and the second material guiding plate 222 are attached to the second screw group 232 and are disposed at intervals.

The feeding assembly 230 further includes a feeding conveyor belt 233, and a conveying surface of the feeding conveyor belt 233 is disposed under the second material guiding opening, and is configured to convey the material falling from the second material guiding opening to the production line.

The output end of the feeding driving assembly 240 in this embodiment is connected to the first screw set 231 and the second screw set 232 to drive the first screw set 231 and the second screw set 232 to rotate.

The feeding driving assembly 240 in this embodiment includes a motor, a first gear set and a second gear set, the motor is fixed on the side wall of the feeding hopper 210, the output shaft of the motor is connected with the second screw set 232, the first gear set is sleeved on the second screw set 232, the second gear set is sleeved on the first screw set 231, and the first gear set and the second gear set are engaged.

It should be noted that the first gear set includes a plurality of first gears corresponding to a plurality of second screws one to one, and the plurality of first gears are respectively sleeved on the corresponding second screws, and in a similar manner, the second gear set includes a plurality of second gears corresponding to a plurality of first screws one to one, and the plurality of second gears are respectively sleeved on the corresponding first screws, and two adjacent second gears are meshed with each other.

In order to prevent the material from being blocked between the first material guiding plate 221 and the second material guiding plate 222, in this embodiment, the tooth diameter of the first gear set is smaller than that of the second gear set, so that the rotation speed of the first screw set 231 is lower than that of the second screw set 232, that is, the feeding speed of the cavity between the first material guiding plate 221 and the second material guiding plate 222 is lower than the discharging speed.

As shown in fig. 5, the screening mechanism 300 of the present embodiment includes a filter cartridge 310, a first filter plate 320, a second filter plate 330 and a material selecting conveyor belt 340, wherein the filter cartridge 310 is vertically disposed, an end of the material selecting conveyor belt 233 away from the hopper 210 is located directly above the filter cartridge 310 for guiding the material in the hopper 210 into the filter cartridge 310, the first filter plate 320 is disposed in the filter cartridge 310, the second filter plate 330 is disposed in the filter cartridge 310, and the second filter plate 330 is located directly below the first filter plate 320.

Because the material has the great impurity of granule such as rubble to and the less impurity of granule such as saw-dust, need filter it in-process in the papermaking, and just filter through screening mechanism 300 in this embodiment, go on detailed explanation below to the specific structure and the whole function of screening mechanism.

In this embodiment, the first filter plate 320 is disposed in the filter cartridge 310, the first filter plate 320 is provided with a vibration motor 321, the second filter plate 330 is disposed in the filter cartridge 310 in an inclined manner, the second filter plate 330 extends downward out of the filter cartridge 310 along the inclined direction thereof, so that the material is led out of the filter cartridge 310 downward along the second filter plate 330 under the action of its own gravity, the second filter plate 330 is located right below the first filter plate 320, the filter pore size of the second filter plate 330 is smaller than that of the first filter plate 320, and the material selecting conveyor belt 340 faces the portion of the second filter plate 330 extending out of the filter cartridge 310, so as to receive the material led out through the second filter plate 330.

The filter cartridge 310 is a vertical cylinder, and has a feed inlet on the upper part and a discharge outlet on the lower part, wherein the caliber of the feed inlet is far larger than that of the discharge outlet, and the material is introduced into the filter cartridge 310 from the feed inlet via the feeding conveyor belt 233.

The first filter plate 320 is a mesh-shaped filter plate, the diameter of the mesh of the first filter plate 320 is slightly larger than the diameter of the required material, the first filter plate 320 is provided with a vibration motor 321, and the first filter plate 320 vibrates through the vibration motor 321, so that the screening function is realized.

The second filter plate 330 is a mesh-shaped filter plate, and the diameter of the network card of the second filter plate 330 is smaller than the diameter of the required material, so as to screen out powdery impurities such as material and wood chips, and to lead the material out of the filter cartridge 310 downwards along the inclined direction of the second filter plate 330 and fall onto the material selecting conveyor belt 340, thereby realizing the function of screening.

As shown in fig. 6, the preheating-extruding mechanism 400 in this embodiment further includes a preheating cylinder 410, a preheating motor 420, an extruding screw 430, and a heating jacket 440, wherein a feeding port is formed at one end of the preheating cylinder 410, a discharging port is formed at the other end of the preheating cylinder 410, the preheating motor 420 is fixedly connected with the preheating cylinder 410, the extruding screw 430 is coaxially disposed in the preheating cylinder 410, one end of the extruding screw 430 is connected with an output shaft of the preheating motor 420, the other end of the extruding screw 430 is rotatably connected with the preheating cylinder 410, and an inner wall of the heating jacket 440 is sleeved on an outer wall of the preheating cylinder 410.

Wherein, preheating cylinder 410 is hollow long tube-shaped structure, and the slope sets up in subaerial, has a preheating cavity in preheating cylinder 410, and the higher one end of preheating cylinder 410 level is provided with the feed inlet, and the lower one end of preheating cylinder 410 level is provided with the discharge gate, and the material gets into from the feed inlet, via preheating the cavity, derives from the discharge gate.

The extrusion screw 430 is driven by the preheating motor 420 to rotate, so as to drive the material in the preheating cylinder 410 to rotate and extrude the material, and the material is extruded from the feeding port to the discharging port and discharged.

The heating jacket 440 is a resistance heating structure, but may be replaced by other heating structures, which may be conceived by those skilled in the art.

The bleaching mechanism 700 in this embodiment includes a bleaching tank, and bleaching liquid is added into the bleaching tank, and it is understood that the process of adding materials into the bleaching tank can be implemented by adopting the structure of the soaking mechanism 500, which is not described herein too much, and finally, paper is formed by a paper making machine.

It is to be understood that the "stock" system set forth above refers to raw materials at various stages in the papermaking process.

The working process is as follows: the papermaking process is divided into the processes of crushing, feeding, selecting, preheating and extruding, soaking, grinding, bleaching and papermaking.

And (3) crushing: place the slab skin on crushed aggregates conveyer belt 110, open crushed aggregates machine 120, the motor on the crushed aggregates machine 120 drives the belt motion, it rotates to drive the transmission shaft through the belt, because the transmission shaft passes through spur gear group transmission with the roller bearing and is connected, thereby it rotates to drive the roller bearing, crushed aggregates conveyer belt 110 begins to move promptly, drive the slab skin motion, because the transmission shaft passes through bevel gear group transmission with the pivot and is connected, thereby it rotates to drive the pivot, epaxial impeller rotates, when the slab skin on crushed aggregates conveyer belt 110 is through the guide clearance between two impellers, there are following several kinds of circumstances:

1. when the length direction of the slab is the same as the length direction of the particle conveyor 110 and faces the material guiding gap, the slab directly passes through the material guiding gap and enters the particle crusher 120.

2. When the length direction of the plate skin is the same as the length direction of the particle conveyor 110 and is not opposite to the material guide gap, the impeller on the two sides pokes the plate skin into the material guide gap because the rotation direction of the impeller is the same as the rotation direction of the particle conveyor 110, so that the length direction of the plate skin is the same as the length direction of the particle conveyor 110, and the plate skin passes through the material guide gap and enters the particle crusher 120;

3. when the length direction of the plate skin is different from the feeding direction of the particle conveyor 110, the impellers on both sides stir the plate skin because the rotation direction of the impellers is the same as the rotation direction of the particle conveyor 110, so that the length direction of the plate skin is the same as the length direction of the particle conveyor 110, and the plate skin passes through the material guiding gap and enters the particle crusher 120.

After any one of the three conditions, the material crushing process is completed.

The feeding process comprises the following steps: the paper making raw materials such as board skins are directly led into the feeding hopper 210 through the discharging port of the material crusher 120, the materials slide down to the first material guide plate 221 through the conical inner wall of the feeding hopper 210, the motor is started to drive the second screw to rotate, the first screw is driven to rotate through the meshing between the first gear set and the second gear set, the first screw rotates to lead a part of the materials on the first material guide plate 221 down to the first material guide port along the inclined direction of the first material guide plate 221, the other part of the materials are directly led into the first material guide port, the materials fall into the lower part of the second material guide plate 222 through the first material guide port, at the moment, the materials cannot be directly led out from the second material guide port above the second material guide plate 222, the materials are driven to be led into the second material guide port upwards along the inclined direction of the second material guide plate 222 under the rotation of the second screw, and the materials fall onto the feeding conveyor belt 233 through the second material guide port, and the material is sent to a paper production line, the speed of the material falling from the second material guiding opening to the feeding conveyor belt 233 is related to the rotating speed of the second screw, and the feeding speed can be stably controlled.

The material selecting process comprises the following steps: the materials are directly guided into the filter cartridge 310 through the feeding conveyor belt 233, fall onto the first filter plate 320, and driven by the vibration motor 321, the first filter plate 320 vibrates, so that impurities with a diameter larger than the required material are placed on the first filter plate 320, and the rest of the materials fall onto the second filter plate 330 below, and along the inclined direction of the second filter plate 330, the materials move downwards on the second filter plate 330, so that the impurities with a diameter smaller than the required material pass through the second filter plate 330, and only the required materials move downwards along the second filter plate 330 to the material selecting conveyor belt 340, thereby completing the material selecting process.

Preheating and extruding: the materials on the material selecting conveyor belt 340 are guided into the preheating cylinder 410, the heating sleeve 440 heats the preheating cylinder 410, so that the preheating treatment of the materials in the preheating cylinder 410 is realized, after a period of time, the preheating motor 420 is started to drive the extrusion screw 430 to rotate, the extrusion screw 430 rotates, the materials in the preheating cylinder 410 are extruded, and the materials are guided out from the discharge port of the preheating cylinder 410, so that the preheating and the extrusion treatment of the materials are realized.

The soaking process comprises the following steps: the materials subjected to the preheating and extrusion treatment are guided into the net cage 520 through a conveyor belt, wherein the diameter of meshes of the net cage 520 is small, the materials are prevented from running out, the net cage 520 is driven to move downwards by opening the travelling crane until the net cage 520 is completely immersed in the sodium sulfite aqueous solution in the soaking pool 510, the bottom of the net cage 520 is contacted with the bottom of the soaking pool 510, the travelling crane hook continues to move downwards until a stirring impeller of the stirrer 540 extends into the soaking pool 510, the stirrer 540 is started and rotates, so that the materials entering the soaking pool 510 and the sodium sulfite aqueous solution are uniformly mixed and fully reacted, the materials are prevented from being accumulated, the reaction speed and the reaction effect are influenced, after the materials are completely mixed and uniformly, the stirrer 540 is closed, the travelling crane is controlled to move the hook upwards until the stirrer 540 is separated from the soaking pool 510, the travelling crane is opened to drive the hook to move upwards after soaking for a certain time, and (3) moving the net cage 520 along the horizontal direction until the connecting piece 521 is tensioned, so that the net cage 520 and the conveyor belt are arranged in a staggered manner, and controlling the moving hook of the row sling to move so that the net cage 520 is moved out of the soaking pool 510.

And (3) a pulping process: the material in the removed mesh cage 520 is introduced into the refining cylinder 610, the material enters the refining cylinder 610, the material flows in the refining cylinder 610 in the direction of the grinding gap between the first conical surface 622 of the upper fixing plate 620 and the second conical surface 631a of the upper grinding plate 631 to the space between the two grinding plates 631, then flows to the grinding gap between the first conical surface 622 of the lower fixing plate 620 and the second conical surface 631a of the lower grinding plate 631, and is guided out from the through hole of the lower fixing plate 620, during the flowing process, the grinding motor 641 is started to drive the driving shaft 642 to rotate, so as to drive the grinding assembly 630 below to rotate, so that the first conical surface 622 and the second conical surface 631a rotate relatively, and the grinding process is realized.

And in the bleaching process, the ground materials are guided into a bleaching tank for bleaching.

And in the papermaking process, the bleached material is subjected to papermaking, so that paper is formed.

Compared with the prior art: .

Meanwhile, two groups of first material guiding assemblies 130 are symmetrically arranged on two sides of the crushed material conveying belt 110, the impeller parts are positioned above the conveying surface, the rotating direction of the impeller is the same as the feeding direction of the crushed material conveying belt 110, a material guiding gap is formed between the two impellers, the impellers stir the sheet in the process that the sheet moves along with the crushed material conveying belt 110 to penetrate through the material guiding gap, the length direction of the sheet is the same as the feeding direction of the crushed material conveying belt 110 and the sheet is fed into the crushing machine 120, the crushed material entering the sheet of the crushing machine 120 is crushed along the length direction of the sheet, the size of the crushed material sheet is moderate, the crushed material is effectively prevented from being crushed along the width direction of the sheet, one end of the transmission assembly 140 is connected with a driving piece of the crushing machine 120, the other end of the transmission assembly 140 is respectively connected with the two rotating shafts, so that the driving piece of the crushing machine 120 drives the two rotating shafts to rotate, the number of the driving pieces is reduced, the structure is simplified, and the cost is saved.

Further, through the first material guiding plate 221 and the second material guiding plate 222 which are parallel and obliquely arranged, the material falling into the hopper 210 firstly directly falls on the first material guiding plate 221, so as to prevent the material from directly running out from the second material guiding opening on the second material guiding plate 222, by arranging the first screw group 231, the second screw group 232 and the feeding driving assembly 240, the feeding driving assembly 240 drives the first screw group 231 and the second screw group 232 to rotate, the first screw group 231 is located above the first material guiding plate 221, so that the material on the first material guiding plate 221 can be guided into the first material guiding opening below by the rotation of the first screw group 231, so that the material on the second material guiding plate 222 can be guided into the second material guiding opening through the rotation of the second screw group 232, the rate of the materials led out from the second material guiding opening is linearly related to the rotation rate of the second screw group 232, so that the feeding rate can be stably controlled.

Compared with the prior art: the soaking mechanism 500 comprises a soaking tank 510, a mesh cage 520, a moving assembly 530 and a stirrer 540, the discharge end of the preheating extrusion mechanism 400 is positioned right above the soaking tank 510, the board skin processed by preheating extrusion can be directly guided into the mesh cage 520 in the soaking tank 510, the soaking liquid in the soaking tank 510 enters the mesh cage 520 and reacts with the board skin, the wood fiber effectively expands, meanwhile, the soaking liquid in the mesh cage 520 is stirred by the stirrer 540, so that the board skin entering the mesh cage 520 is uniformly dispersed and fully reacts with the soaking liquid, the soaking effect is good, after the reaction is completed, the mesh cage 520 can be directly moved out of the soaking tank 510 by the moving assembly 530, the materials are all in the mesh cage 520, the rapid collection of the materials in the soaking tank 510 is realized, and further, the board skin crushing mechanism 100, the board skin feeding mechanism 200, the screening mechanism 300 and the stirring mechanism are sequentially connected The automatic paper making machine comprises a preheating extrusion mechanism 400, a soaking mechanism 500, a pulp grinding mechanism 600, a bleaching mechanism 700 and a paper making machine 800, wherein a board is subjected to crushed material treatment by the board crushing mechanism 100, and is conveyed to the screening mechanism 300 by the board feeding mechanism 200, the screening mechanism 300 screens materials to screen out impurities, and paper is formed by the preheating extrusion mechanism 400, the soaking mechanism 500, the pulp grinding mechanism 600, the bleaching mechanism 700 and the paper making machine 800, so that the automatic paper making process is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. A veneer paper making production line is characterized by comprising a veneer crushing mechanism, a veneer feeding mechanism, a screening mechanism, a preheating and extruding mechanism, a soaking mechanism, a pulp grinding mechanism, a bleaching mechanism and a papermaking machine which are sequentially connected, wherein the soaking mechanism comprises a soaking pool, a mesh cage, a moving assembly and a stirrer, and the discharge end of the preheating and extruding mechanism is positioned above the soaking pool;

the mesh cage is arranged in the soaking pool, and an opening is formed above the mesh cage;

the moving assembly comprises a support, a horizontal moving member and a vertical moving member, the support is arranged on the soaking pool in a spanning mode, the horizontal moving member is connected with the support in a sliding mode along the horizontal plane direction, the vertical moving member is fixedly connected with the horizontal moving member, and the moving end of the vertical moving member is fixedly connected with the mesh cage so as to drive the mesh cage to move along the horizontal direction and/or the vertical direction;

the agitator with the removal end fixed connection of vertical moving member, the stirring end of agitator with the cylinder mould corresponds the setting.

2. The board papermaking assembly line of claim 1, wherein the length direction of the soaking tank is greater than the length direction of the cylinder mould, and the length direction of the soaking tank is the horizontal moving direction of the cylinder mould.

3. A hide paper production line according to claim 1, wherein the moving assembly is a row spreader having a horizontal moving member moving along its length and a vertical moving member moving along a vertical direction, the vertical moving member of the row spreader having a hook, the hook being connected to the netpen via a connecting member, the connecting member being a rope, the bottom of the hook being connected to the agitator.

4. The board-skin paper production line as claimed in claim 1, wherein the board-skin crushing mechanism comprises a crushing conveyor belt, a crushing machine, two sets of first guiding components and a transmission component, the crushing conveyor belt has a discharge end, a feed inlet of the crushing machine is arranged corresponding to the discharge end of the crushing conveyor belt, the crushing machine has a driving component, the two sets of first guiding components are symmetrically arranged at two sides of the crushing conveyor belt, each first guiding component comprises a support, a rotating shaft and an impeller, the rotating shaft is rotatably connected with the support, the impeller is sleeved on the rotating shaft, the impeller is partially positioned above the conveying surface, the rotating direction of the impeller is the same as the feeding direction of the crushing conveyor belt, a guiding gap is formed between the two impellers, so that the length direction of the board skin passing through the guiding gap is the same as the feeding direction of the crushing conveyor belt, one end of the transmission assembly is connected with the driving piece of the crusher, and the other end of the transmission assembly is respectively connected with the two rotating shafts, so that the driving piece of the crusher drives the two rotating shafts to rotate;

5. The board paper making assembly line of claim 1, wherein the board feeding mechanism comprises a feeding hopper, a second material guiding assembly, a feeding assembly and a feeding driving assembly, the feeding hopper comprises a feeding cavity, the second material guiding assembly comprises a first material guiding plate and a second material guiding plate which are arranged in parallel, the first material guiding plate and the second material guiding plate are both arranged in the feeding cavity, the first material guiding plate and the second material guiding plate are both arranged in an inclined manner, a feeding cavity is formed between the first material guiding plate and the second material guiding plate, a first material guiding opening is formed below the first material guiding plate, a second material guiding opening is formed below the second material guiding plate, the feeding assembly comprises a first screw rod group and a second screw rod group, the first screw rod group is both rotatably connected with the feeding hopper, the first screw rod group is positioned above the first material guiding plate, the axial direction of the first screw group is the same as the inclination direction of the first material guide plate, so that materials on the first material guide plate can be guided into the first material guide opening through the rotation of the first screw group, the second screw group is rotationally connected with the hopper, the second screw group is arranged in the feeding cavity, the axial direction of the second screw group is the same as the inclination direction of the second material guide plate, so that the materials of the first material guide opening can be guided into the second material guide opening along the feeding cavity through the rotation of the second screw group, and the output end of the feeding driving assembly is connected with the first screw group and the second screw group and used for driving the first screw group and the second screw group to rotate;

6. The board system paper assembly line of claim 1, wherein the screening machine comprises a filter cylinder, a first filter plate, a second filter plate and a material selecting conveyor belt, the filter cylinder is vertically arranged, one end of the material selecting conveyor belt, which is far away from the hopper, is positioned right above the filter cylinder and is used for guiding materials in the board feeding mechanism into the filter cylinder, the first filter plate is arranged in the filter cylinder, the second filter plate is positioned right below the first filter plate, a vibrating motor is mounted on the first filter plate, the second filter plate is obliquely arranged in the filter cylinder, and the second filter plate extends downwards out of the filter cylinder along the oblique direction of the second filter plate.

7. The board papermaking assembly line according to claim 1, wherein the preheating and extruding mechanism is connected with the soaking pool through a conveyor belt, a feeding end of the conveyor belt is located right below the preheating and extruding mechanism, and a discharging end of the conveyor belt is located right above the soaking pool.

8. The board skin system paper assembly line of claim 1, characterized in that, preheat extrusion mechanism still includes preheating section of thick bamboo, preheating motor, extrusion screw and heating jacket, preheating section of thick bamboo one end is provided with the feed inlet, preheating section of thick bamboo's the other end is provided with the discharge gate, preheating motor with preheating section of thick bamboo fixed connection, place in the coaxial preheating section of thick bamboo in the extrusion screw, extrusion screw's one end with preheating motor's output shaft, extrusion screw's the other end with preheating section of thick bamboo rotates and is connected, the inner wall cover of heating jacket is located on preheating section of thick bamboo's outer wall.

9. The board-to-paper assembly line of claim 1, wherein the refining mechanism comprises a refining barrel, two fixing plates, a refining assembly and a refining driving assembly, the two fixing plates are oppositely arranged in the refining barrel in sequence along a vertical direction, through holes are formed in the fixing plates, the upper parts and the lower parts of the fixing plates are communicated through the through holes, first tapered surfaces are formed on opposite sides of the two fixing plates, the refining assembly comprises two refining plates and a connecting shaft which are oppositely arranged, the two refining plates are sequentially arranged between the two fixing plates along the vertical direction, the two refining plates are fixedly connected through the connecting shaft, second tapered surfaces are formed on opposite sides of the two refining plates, the two second tapered surfaces correspond to the two first tapered surfaces one by one, and a refining gap is formed between the second tapered surfaces and the corresponding first tapered surfaces, the grinding driving assembly is fixed on the grinding cylinder, and the output end of the grinding driving assembly is connected with the connecting shaft and used for driving the connecting shaft to rotate.

10. The board papermaking assembly line according to claim 9, wherein the grinding assembly further comprises a limiting member, the limiting member is fixedly connected with the inside of the grinding cylinder, and the limiting member is connected with the connecting shaft to limit axial movement of the connecting shaft;