CN113021569A

CN113021569A - Panel former of diatom board

Info

Publication number: CN113021569A
Application number: CN202110306057.4A
Authority: CN
Inventors: 林永忠; 赵庆美; 肖鸣; 刘永群; 吕飞; 林琳; 张雪冰
Original assignee: Liaoning Meicheng Decoration Building Materials Co ltd
Current assignee: Hongshifeng diatom board technology (Liaoning) Co.,Ltd.
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-06-25

Abstract

A board forming device for a diatomite board solves the problems of low content of diatomite, unsatisfactory moisture-proof, water-proof, flame-retardant, heat-insulating and heat-insulating performances, poor compactness and weak interlayer adhesiveness of the board in the prior art. Including enclosing the closed transfer chain of the type of returning that closes to constitute by vertical rollgang I, horizontal rollgang I, vertical rollgang II and horizontal rollgang II, its characterized in that: four groups of mixed material stirring devices are arranged in the middle of the square-shaped closed conveying line; the lower ends of the four groups of mixed material stirring devices and the horizontally arranged template spraying devices are respectively and sequentially arranged above the longitudinal conveying roller way I, the transverse conveying roller way I, the longitudinal conveying roller way II and the transverse conveying roller way II, and hot air covers are respectively arranged above the conveying roller ways. Its reasonable in design, compact structure can effectively promote the content of the diatomaceous earth composition in the diatom board, can increase the compactness and the interlayer cohesiveness of panel, ensures the performance of panel, and degree of automation is high.

Description

Panel former of diatom board

Technical Field

The invention belongs to the technical field of processing and forming equipment of a diatomite plate, and particularly relates to a diatomite plate forming device which can effectively improve the content of diatomite in the diatomite plate, can increase the compactness and interlayer adhesiveness of a plate, ensures the moisture-proof, water-resistant, flame-retardant, heat-insulating and heat-insulating properties of the plate, and has high automation degree.

Background

The diatomite substrate made of diatomite can fully utilize the porous structure characteristic of the diatomite and adjust the relative humidity in the air by means of the moisture absorbing and releasing performance of the diatomite. In addition, the diatomite-based board further has the advantages of absorbing peculiar smell gas, preserving heat, insulating heat, absorbing sound, reducing noise and the like, and is a multifunctional environment-friendly building material. The existing diatom board is mostly processed by adopting a manufacturing process of one-step rolling forming or adhesion laminating, and the diatom board produced by the traditional operation method has the defects of low content of kieselguhr, unsatisfactory moisture-proof, water-proof, flame-retardant and heat-insulating properties, poor compactness of the board, weak adhesion between layers and the like. Meanwhile, some so-called diatom plates on the market are actually simply modified calcium silicate plates, and no diatom plates exist in the true sense. There is a need for improvements in the prior art methods and apparatus for forming diatom plates.

Disclosure of Invention

The invention aims at the problems, and provides the board forming equipment for the diatomite board, which can effectively improve the content of diatomite in the diatomite board, increase the compactness and interlayer adhesiveness of the board, ensure the moisture-proof, water-resistant, flame-retardant, heat-insulating and heat-insulating performances of the board and have high automation degree.

The technical scheme adopted by the invention is as follows: this panel former of diatom board includes vertical rollgang I, its characterized in that: the front end of the longitudinal conveying roller way I is provided with a template inlet, the tail end of the longitudinal conveying roller way I is connected with the front end of the transverse conveying roller way I, the tail end of the transverse conveying roller way I is connected with the front end of the longitudinal conveying roller way II, the tail end of the longitudinal conveying roller way II is connected with the front end of the transverse conveying roller way II, the tail end of the transverse conveying roller way II is connected with the front end of the longitudinal conveying roller way I, and the tail end of the transverse conveying roller way II is also provided with a template outlet; four groups of mixed material stirring devices are arranged in the middle of a closed conveying line formed by enclosing the longitudinal conveying roller bed I, the transverse conveying roller bed I, the longitudinal conveying roller bed II and the transverse conveying roller bed II; the stirring discharge port at the lower end of the mixing stirring device is respectively provided with a horizontally arranged template spraying device; the template spraying devices at the lower ends of the four groups of mixed material stirring devices are respectively and sequentially arranged above the longitudinal conveying roller bed I, the transverse conveying roller bed I, the longitudinal conveying roller bed II and the transverse conveying roller bed II; meanwhile, hot air hoods which are continuously arranged along the conveying direction of the forming template are respectively arranged above each conveying roller way.

The mixing and stirring device is composed of a stirring tank body, a vertically arranged stirring rotating shaft is arranged in the stirring tank body, and the upper end of the stirring rotating shaft is connected with the output end of a stirring motor arranged at the top of the stirring tank body; the stirring rotating shaft is also provided with a plurality of groups of middle stirring impellers which are arranged along the axial direction of the rotating shaft, and the lower end of the stirring rotating shaft is provided with a bottom stirring impeller; the upper end of the stirring tank body is provided with a stirring feed inlet, and the lower end of the stirring tank body is provided with a stirring discharge outlet. With a plurality of groups of middle part impeller and bottom impeller who sets up in the utilization stirring pivot, come to carry out abundant stirring to the compounding of agitator tank internal portion, and then prevent the compounding deposit, the spraying of the compounding in the panel forming process of being convenient for.

The stirring rotating shaft is composed of a rotating shaft main body, a hollow flow channel is arranged inside the rotating shaft main body, an auxiliary solvent inlet communicated with the hollow flow channel is arranged on the side wall of the upper end of the rotating shaft main body, a plurality of groups of auxiliary solvent outlets corresponding to the positions of the middle stirring impellers are arranged on the side wall of the middle section of the rotating shaft main body, and the auxiliary solvent outlets are also communicated with the hollow flow channel. So as to inject an auxiliary solvent into the stirring tank body through the stirring rotating shaft with a hollow structure, thereby assisting the reaction of the mixed materials in the tank body.

The middle stirring impeller comprises an impeller connecting sleeve, a solvent buffer cavity is arranged in the impeller connecting sleeve, a plurality of middle impeller blades which are arranged along the same circumference at equal included angles are arranged on the outer side of the impeller connecting sleeve, and a solvent discharge channel is arranged in each middle impeller blade; the inlet end of the solvent discharge channel of the middle impeller blade is respectively communicated with a solvent buffer cavity in the impeller connecting sleeve through a solvent distribution hole arranged on the side wall of the impeller connecting sleeve; the outlet end of the solvent discharge channel of the middle impeller blade is communicated with the inner cavity of the stirring tank body; each middle stirring impeller is respectively arranged on the rotating shaft main body of the stirring rotating shaft through an impeller connecting sleeve, and the solvent buffer cavity of the impeller connecting sleeve is communicated with the auxiliary solvent outlet which is arranged on the side wall of the rotating shaft main body and corresponds to the side wall of the impeller connecting sleeve. The auxiliary solvent conveyed from the hollow flow channel of the stirring rotating shaft is discharged into the mixed material through a solvent discharge channel of the middle impeller blade communicated with the solvent distribution hole by utilizing a solvent buffer cavity of the impeller connecting sleeve; thereby carrying out auxiliary operations such as air bubble elimination on the mixed materials in the stirring tank body.

And a wheel blade connecting rod is respectively arranged between two adjacent middle impeller blades of the middle stirring impeller. So as to enhance the rotation stability of the middle impeller blade and simultaneously improve the structural strength of the whole middle stirring impeller.

Bottom impeller comprises bottom impeller main part, is provided with the bottom impeller piece that a plurality of was arranged along same circumference, contained angle such as in the bottom impeller main part, bottom impeller passes through the impeller connecting hole at bottom impeller main part middle part, and fixed the setting is at the lower extreme of stirring pivot. With the bottom impeller through stirring pivot lower extreme, come to effectively stir the compounding of the stirring discharge gate department of agitator tank body bottom, and then ensure the homogeneity and the mobility of bottom compounding.

The template spraying device is composed of horizontally arranged spraying conveying pipes, conveying augers are rotatably arranged inside the spraying conveying pipes, and the driving ends of the conveying augers are connected with the output ends of conveying motors arranged at the ends of the spraying conveying pipes; the upper side of one end of the spraying conveying pipe is connected with a stirring discharge port at the lower end of the mixing and stirring device, the lower side of the other end of the spraying conveying pipe is provided with a spraying carding cavity, and a rotating carding comb is arranged in the spraying carding cavity; meanwhile, a spraying discharge hole plate is arranged on the lower side of the spraying carding cavity, and a plurality of groups of spraying nozzles are uniformly distributed on the lower side of the spraying discharge hole plate. Conveying the mixed material in the stirring tank body to a spraying carding cavity by using a conveying auger in a spraying conveying pipe, and carding the mixed material to be sprayed by rotating a carding comb; then, the mixed material is sprayed into a forming template on a roller conveyor in a strip shape through a plurality of groups of spraying nozzles on a spraying discharge hole plate on the lower side of the spraying carding cavity.

Defeated material auger comprises the spiral auger piece of arranging in succession, and the middle part of spiral auger piece is provided with the shaftless defeated material chamber of arranging along the axis of rotation, and, the both ends of spiral auger piece are provided with the drive respectively and connect the minor axis. The material conveying auger is connected with the output end of the material conveying motor through the driving connection short shaft, and the shaft-free material conveying cavity in the middle of the spiral auger piece continuously arranged on the material conveying auger is utilized to effectively avoid blockage in the material mixing and conveying process and improve the conveying efficiency.

The spraying discharge orifice plate is composed of an orifice plate body, a plurality of groups of discharge circular holes are uniformly distributed on the orifice plate body, and the lower end of each discharge circular hole is respectively provided with a nozzle connecting part for connecting with a spraying nozzle; the spraying discharge hole plate is movably inserted at the lower side of the spraying carding cavity, and the end part of the hole plate body of the spraying discharge hole plate is also provided with a drawing handle and a positioning clamping hole respectively. The spraying nozzles are detachably arranged on the nozzle connecting parts at the lower ends of the discharge round holes of the spraying discharge hole plate respectively, and the spraying discharge hole plate is connected with the spraying carding cavity in a plug-in mode with an opening at the lower side of the spraying carding cavity, so that the spraying carding cavity is convenient to clean and overhaul.

The spraying nozzle comprises the nozzle main part, and the lower extreme of nozzle main part is provided with the hydrojet hole, and the upper end of nozzle main part is provided with ejection of compact orifice plate connecting portion, just the inside of nozzle main part is provided with pressure boost hydrojet chamber, the both ends in pressure boost hydrojet chamber are linked together with ejection of compact orifice plate connecting portion and hydrojet hole respectively. The spraying nozzle is detachably connected to the lower side of the spraying discharge hole plate through the discharge hole plate connecting part, and mixed materials are sprayed out of the liquid spraying hole into the forming template through the pressurizing liquid spraying cavity in the nozzle body.

The lateral wall of the liquid spraying hole at the lower end of the nozzle body is provided with a reserved anti-blocking vent hole, and an outlet of a pressurizing liquid spraying cavity in the nozzle body is also provided with a one-way liquid outlet valve. When the liquid spraying hole of the spraying nozzle is blocked, the reserved anti-blocking vent hole arranged on the side wall of the liquid spraying hole is utilized, high-pressure gas is injected into the liquid spraying hole, and the liquid spraying hole is sufficiently cleaned under the reverse sealing action of the one-way liquid outlet valve at the outlet of the pressurizing liquid spraying cavity, so that the spraying effect of the spraying nozzle is ensured.

And an anti-blocking auxiliary air blowing pipe is arranged on the side wall of the spraying conveying pipe. When the interior of the spraying conveying pipe is blocked or needs to be cleaned, compressed air is blown to the interior of the spraying conveying pipe by utilizing the anti-blocking auxiliary air blowing pipe on the side wall of the conveying pipe.

A coating flattening mechanism is respectively arranged at the front part of the template spraying device and at the front side of the spraying outlet above each conveying roller way, the coating flattening mechanism comprises a flattening support frame, a template passing space is arranged at the lower side of the middle part of the flattening support frame, and a flattening pressing plate arranged along the conveying direction of the conveying roller ways is arranged in the template passing space; the lower side of the smoothing pressing plate is located above the forming template, the upper side of the smoothing pressing plate is connected with the telescopic end of the smoothing plate lifting cylinder which is vertically arranged on the smoothing supporting frame through the smoothing plate connecting frame. The flattening plate connecting frame and the flattening pressing plate connected with the lower side of the flattening plate connecting frame are driven by the flattening plate lifting air cylinder to move up and down together, and then the surfaces of the coatings sprayed on the conveying roller way and in the forming template are arranged and flattened, so that the coatings of all layers are in full contact, and the inter-layer flatness of the formed plate is ensured.

A reversing conveying device is respectively arranged between the two adjacent conveying roller ways, the reversing conveying device comprises a reversing support frame, and the upper part of the reversing support frame is provided with a horizontally arranged reversing conveying table; a relief pattern conveying roller for assisting in conveying the formed template is arranged on one side, close to the previous conveying roller way, of the reversing conveying table; and a reversing poking fork arranged along the conveying direction of the next conveying roller way is further arranged on the reversing conveying table, the poking end of the reversing poking fork is positioned above the reversing conveying table, and meanwhile, the driving end of the reversing poking fork is connected with the telescopic end of the reversing poking cylinder. The forming template at the tail end of the previous conveying roller way is conveyed to the reversing conveying table in an auxiliary mode by the aid of the relief conveying rollers; then, the reversing toggle cylinder drives the reversing toggle fork to move, and then the forming template on the reversing conveying table is pushed to the next conveying roller way, so that the next layer of mixed material is sprayed in the forming template.

The reversing conveying table is composed of a conveying table plate, a plurality of ball arrangement holes are formed in the conveying table plate, sliding balls are arranged in the ball arrangement holes, the sliding balls are fixed in the ball arrangement holes through ball lubrication spherical bowls arranged on the lower side of the conveying table plate, and the upper portions of the sliding balls are located above the conveying table plate. The forming template reversing and conveying device has the advantages that the sliding balls arranged on the conveying platen assist the forming template in reversing movement on the reversing conveying table, and smoothness of the forming template reversing and conveying process is improved.

And a limiting guide plate is arranged on the edge, which is not connected with the two adjacent conveying roller ways, of the conveying platen of the reversing conveying table. The limit guide plate at the edge of the conveying bedplate is used for guiding and limiting the reversing movement of the forming template.

And a proximity sensor is arranged on the limiting guide plate at the edge of the conveying bedplate. After the forming template completely moves to the conveying platen, the forming template is used for touching the proximity sensor, and then the proximity sensor sends an action signal to the reversing shifting cylinder, so that the reversing shifting fork is driven to move, and the forming template is reversely pushed.

The reversing fork is arranged below the reversing conveying table, and a shifting end at the upper part of the reversing shifting fork is inserted through an opening at the end part of the reversing fork guide groove. The reversing toggle cylinder positioned below the reversing conveying table is used for driving the reversing toggle fork to reciprocate along the reversing fork guide groove, and then the forming template on the reversing conveying table is pushed to the next conveying roller way.

A circulating conveying baffle is arranged on the reversing conveying device arranged between the adjacent transverse conveying roller way II and the longitudinal conveying roller way I and positioned on one side of the template outlet; the lower part of the circulating conveying baffle is connected with the telescopic end of a vertically arranged circulating baffle lifting cylinder, and a discharging inclined plate is further arranged at the position of the template outlet. The forming template conveyed from the tail end of the transverse conveying roller bed II is driven to circularly walk in a closed-loop conveying line formed by enclosing the longitudinal conveying roller bed I, the transverse conveying roller bed I, the longitudinal conveying roller bed II and the transverse conveying roller bed II by blocking and guiding of the raised circulating conveying baffle plate, and plates are formed in the forming template layer by layer through the template spraying devices; and after the spraying and forming of the plates in the forming template are finished, the circulating conveying baffle is driven to descend by the circulating baffle lifting cylinder, so that the forming template is conveyed to the feeding position of the template lifting and pushing mechanism I through the discharging inclined plate at the template outlet.

A board surface polishing mechanism is arranged on the transverse conveying roller way II and the rear roller way close to the outlet of the template, the board surface polishing mechanism comprises a rotating polishing roller arranged above the transverse conveying roller way II, the rotating axis of the rotating polishing roller is vertical to the conveying direction of the transverse conveying roller way II, and the driving end of the rotating polishing roller is connected with the output end of a polishing roller rotating motor; and two ends of the rotary calender roll are respectively connected with calender roll support frames arranged on frame bodies on two sides of the transverse conveying roller bed II through lifting sliding sleeves, and the upper ends of the lifting sliding sleeves are respectively connected with telescopic ends of calender roll lifting cylinders which are vertically arranged. The calender roll rotating motor drives the rotating calender roll to rotate continuously, and the calender roll lifting cylinders arranged on two sides of the transverse conveying roller bed II are utilized to drive the rotating calender roll to move downwards in the rotating process, so that the outer surface of the plate in the forming template to be conveyed out of the template outlet is polished and rolled, and the smoothness of the outer surface of the formed plate is ensured.

The invention has the beneficial effects that: according to the invention, a longitudinal conveying roller way I with a template inlet arranged at the front end is adopted, the tail end of the longitudinal conveying roller way I is connected with the front end of a transverse conveying roller way I, the tail end of the transverse conveying roller way I is connected with the front end of a longitudinal conveying roller way II, the tail end of the longitudinal conveying roller way II is connected with the front end of a transverse conveying roller way II, the tail end of the transverse conveying roller way II is connected with the front end of the longitudinal conveying roller way I, and the tail end of the transverse conveying roller way II is also provided with a template outlet; four groups of mixed material stirring devices are arranged in the middle of a closed conveying line formed by enclosing a longitudinal conveying roller way I, a transverse conveying roller way I, a longitudinal conveying roller way II and a transverse conveying roller way II; the stirring discharge port at the lower end of the mixing stirring device is respectively provided with a horizontally arranged template spraying device; template spraying device of four group's compounding agitating unit lower extremes, arrange in proper order respectively in vertical rollgang I, horizontal rollgang I, vertical rollgang II and horizontal rollgang II's top, the top of each rollgang is provided with the structural style of hot-blast cover respectively, so its reasonable in design, compact structure can effectively promote the content of the diatomaceous earth composition in the diatom board, and can increase the compactness and the interlayer cohesiveness of panel, ensure the dampproofing waterproof fire-retardant heat preservation heat-proof quality of panel, degree of automation is high.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a view from the direction a of fig. 1 (with the hot air hood and service platform removed).

Fig. 3 is a schematic view showing a connection structure of the mixing stirring device and the die plate spray device in fig. 2.

Fig. 4 is a schematic view of a structure of the stirring shaft of fig. 3.

Fig. 5 is a schematic view of a structure of the middle stirring impeller in fig. 3.

Fig. 6 is a schematic view of a configuration of the bottom stirring impeller of fig. 3.

Fig. 7 is a schematic view of a structure of the stencil spray apparatus of the lower part of fig. 3.

Fig. 8 is a sectional view taken along line B-B of fig. 7.

FIG. 9 is a schematic view of the conveyer of FIG. 7.

FIG. 10 is a schematic diagram of one configuration of the orifice plate of FIG. 7.

Fig. 11 is a schematic view of a construction of the spray nozzle of fig. 8.

Fig. 12 is a schematic diagram of one configuration of the coating-smoothing mechanism of fig. 2.

Fig. 13 is a schematic view of a structure of the reversing conveyor of fig. 2.

Fig. 14 is a view in the direction C of fig. 13.

Fig. 15 is a schematic view of a configuration of the diverting conveyor of fig. 13.

Fig. 16 is a cross-sectional view of an internal structure at the position of the sliding ball in fig. 15.

Fig. 17 is a schematic view of a structure of the board calender system in fig. 2.

Fig. 18 is a schematic view of a structure at the exit location of the die plate of fig. 1.

Fig. 19 is a sectional view showing an internal structure of the hot air hood of fig. 1.

The sequence numbers in the figures illustrate: 1 longitudinal conveying roller way I, 2 transverse conveying roller ways I, 3 longitudinal conveying roller ways II, 4 transverse conveying roller ways II, 5 template inlets, 6 template outlets, 7 mixed material stirring devices, 8 template spraying devices, 9 coating flattening mechanisms, 10 hot air hoods, 11 reversing conveying devices, 12 plate surface polishing mechanisms, 13 maintenance platforms, 14 forming templates, 15 stirring tank bodies, 16 stirring motors, 17 stirring feed inlets, 18 stirring rotating shafts, 19 middle stirring impellers, 20 bottom stirring impellers, 21 stirring discharge outlets, 22 spraying feed pipes, 23 feed delivery augers, 24 feed delivery motors, 25 spraying carding cavities, 26 rotating carding combs, 27 carding motors, 28 spraying discharge hole plates, 29 spraying nozzles, 30 rotating shaft bodies, 31 hollow flow channels, 32 auxiliary solvent inlets, 33 auxiliary solvent outlets, 34 impeller connecting sleeves, 35 middle impeller sheets, 36 solvent buffer cavities, 37 solvent distribution holes, 38 solvent discharge channel, 39 bottom impeller main body, 40 bottom impeller blade, 41 impeller connecting hole, 42 anti-blocking auxiliary gas blowing pipe, 43 spiral auger blade, 44 driving connecting short shaft, 45 shaftless conveying cavity, 46 pore plate body, 47 discharge circular hole, 48 nozzle connecting part, 49 positioning clamping hole, 50 drawing handle, 51 nozzle main body, 52 liquid spraying hole, 53 discharge pore plate connecting part, 54 pressurizing liquid spraying cavity, 55 reserved anti-blocking vent hole, 56 one-way liquid outlet valve, 57 flattening support frame, 58 template passing space, 59 flattening plate lifting cylinder, 60 flattening plate connecting frame, 61 flattening pressure plate, 62 reversing support frame, 63 reversing conveying table, 64 convex pattern conveying roller, 65 reversing shifting fork, 66 reversing shifting cylinder, 67 reversing fork guide groove, 68 sliding ball, 69 conveying table, 70 ball arranging hole, 71 limiting guide plate, 72 proximity sensor, 73 ball lubricating spherical bowl, 74 rotating calender rolls, 75 calender roll support frames, 76 lifting sliding sleeves, 77 calender roll lifting cylinders, 78 calender roll rotating motors, 79 discharging inclined plates, 80 circulating conveying baffle plates, 81 circulating baffle plate lifting cylinders, 82 drying fixed cavities, 83 ventilation pipeline interfaces, 84 conveying roller way cleaning pipes and 85 cleaning spray heads.

Detailed Description

The specific structure of the present invention will be described in detail with reference to FIGS. 1 to 19. The diatom board forming equipment comprises a longitudinal conveying roller way I1, wherein a template inlet 5 for a forming template 14 to enter the conveying roller way is formed in the front end of the longitudinal conveying roller way I1, and the tail end of the longitudinal conveying roller way I1 is connected with the front end of a transverse conveying roller way I2; the tail end of the transverse conveying roller way I2 is connected with the front end of a longitudinal conveying roller way II 3, and the tail end of the longitudinal conveying roller way II 3 is connected with the front end of a transverse conveying roller way II 4; the tail end of the transverse conveying roller way II 4 is connected with the front end of the longitudinal conveying roller way I1, and a template outlet 6 is further arranged at the tail end of the transverse conveying roller way II 4. The middle part of a closed conveying line of a shape of Chinese character hui formed by enclosing a longitudinal conveying roller way I1, a transverse conveying roller way I2, a longitudinal conveying roller way II 3 and a transverse conveying roller way II 4 is provided with four groups of mixed material stirring devices 7. The stirring feed inlets 17 at the upper ends of the four groups of mixing stirring devices 7 are respectively connected with the mixing discharge port of the raw material mixing tank through mixing conveying pipelines; the top of the mixing and stirring device 7 is also provided with an overhaul platform 13 (shown in figure 1).

The material mixing and stirring device 7 is composed of a stirring tank body 15, a vertically arranged stirring rotating shaft 18 is arranged inside the stirring tank body 15, and the upper end of the stirring rotating shaft 18 is connected with the output end of a stirring motor 16 arranged at the top of the stirring tank body 15; the stirring shaft 18 is further provided with a plurality of groups of middle stirring impellers 19 arranged along the axial direction of the shaft, and the lower end of the stirring shaft 18 is provided with a bottom stirring impeller 20 (as shown in fig. 3). The upper end of the stirring tank body 15 is provided with a stirring feed inlet 17, the lower end of the stirring tank body 15 is provided with a stirring discharge outlet 21, the stirring discharge outlet 21 is provided with an adjusting insertion plate for adjusting discharge flow, and the side wall of the stirring tank body 15 is also provided with an access door; and then utilize a plurality of groups of middle part impeller 19 and bottom impeller 20 that set up on the stirring pivot 18, come to carry out abundant stirring to the compounding in the agitator tank body 15 to prevent the compounding deposit, be convenient for the spraying of compounding in the panel forming process. The stirring shaft 18 is composed of a shaft body 30, a hollow flow passage 31 is provided inside the shaft body 30, an auxiliary solvent inlet 32 communicated with the hollow flow passage 31 is provided on the side wall of the upper end of the shaft body 30, a plurality of groups of auxiliary solvent outlets 33 corresponding to the positions of the middle stirring impellers 19 are provided on the side wall of the middle section of the shaft body 30, and the auxiliary solvent outlets 33 are also communicated with the hollow flow passage 31 (as shown in fig. 4), so that an auxiliary solvent is injected into the stirring tank body 15 through the stirring shaft 18 having a hollow structure, thereby assisting the reaction of the material mixing inside the tank body. The middle stirring impeller 19 arranged on the stirring rotating shaft 18 comprises an impeller connecting sleeve 34, a solvent buffer cavity 36 is arranged inside the impeller connecting sleeve 34, a plurality of middle impeller blades 35 arranged along the same circumference at equal included angles are arranged outside the impeller connecting sleeve 34, and a solvent discharge channel 38 (as shown in fig. 5) is arranged inside each middle impeller blade 35.

And, the inlet ends of the solvent discharge passages 38 of the middle impeller blades 35 are respectively communicated with the solvent buffer chamber 36 inside the impeller connecting sleeve 34 through solvent distribution holes 37 provided on the side wall of the impeller connecting sleeve 34. The outlet end of the solvent discharge channel 38 of the middle impeller blade 35 is communicated with the inner cavity of the stirring tank body 15; each middle stirring impeller 19 is respectively arranged on the rotating shaft main body 30 of the stirring rotating shaft 18 through an impeller connecting sleeve 34, and a solvent buffer cavity 36 of the impeller connecting sleeve 34 is communicated with the corresponding auxiliary solvent outlet 33 on the side wall of the rotating shaft main body 30. Thus, the auxiliary solvent delivered through the hollow flow channel 31 of the stirring rotation shaft 18 is discharged into the interior of the mixed material through the solvent discharge channel 38 of the middle impeller blade 35 communicated with the solvent distribution hole 37 by the solvent buffer chamber 36 of the impeller connection sleeve 34; thereby performing auxiliary operations such as bubble removal on the mixed material in the stirring tank body 15. In order to enhance the rotation stability of the middle impeller blades 35 and improve the structural strength of the whole middle stirring impeller 19, a blade connecting rod is further respectively arranged between two adjacent middle impeller blades 35 of the middle stirring impeller 19.

The bottom impeller 20 that the lower extreme of stirring pivot 18 set up comprises bottom impeller main part 39, be provided with a plurality of on the bottom impeller main part 39 along same circumference, the bottom impeller 40 that the contained angle was arranged, bottom impeller 20 is through the impeller connecting hole 41 at bottom impeller main part 39 middle part, the fixed lower extreme that sets up at stirring pivot 18, and then through the bottom impeller 20 of stirring pivot 18 lower extreme, come to effectively stir the compounding of the stirring discharge gate 21 department of agitator tank body 15 bottom, ensure the homogeneity and the mobility of bottom compounding.

The lower end of each mixed material stirring device 7 is provided with a stirring discharge port 21 which is respectively provided with a horizontally arranged template spraying device 8; and the template spraying devices 8 at the lower ends of the four groups of mixed material stirring devices 7 are respectively and sequentially arranged above the longitudinal conveying roller way I1, the transverse conveying roller way I2, the longitudinal conveying roller way II 3 and the transverse conveying roller way II 4 along the horizontal direction vertical to the conveying direction of the conveying roller ways (as shown in figure 2). It can be understood that the template spraying devices 8 arranged at the lower end of each mixing stirring device 7 can be one group, or two, four or more groups arranged at 90-degree intervals.

The template spraying device 8 is composed of a horizontally arranged spraying conveying pipe 22, a conveying auger 23 is rotatably arranged inside the spraying conveying pipe 22, and the driving end of the conveying auger 23 is connected with the output end of a conveying motor 24 arranged at the end part of the spraying conveying pipe 22. The material conveying auger 23 is composed of continuously arranged spiral auger sheets 43, a shaftless material conveying cavity 45 arranged along the rotation axis is arranged in the middle of each spiral auger sheet 43, and drive connection short shafts 44 are respectively arranged at two ends of each spiral auger sheet 43. Therefore, the material conveying auger 23 is connected with the output end of the material conveying motor 24 through the driving connection short shaft 44, and the shaft-free material conveying cavity 45 in the middle of the spiral auger sheet 43 continuously arranged on the material conveying auger 23 is utilized to effectively avoid blockage in the material mixing and conveying process and improve the conveying efficiency. Meanwhile, an anti-clogging auxiliary blow pipe 42 is provided on the side wall of the spray feed pipe 22 so that when the interior of the spray feed pipe 22 is clogged or needs to be cleaned, compressed air is blown into the interior of the spray feed pipe 22 by the anti-clogging auxiliary blow pipe 42 on the side wall of the spray feed pipe.

The upper side of one end of a spraying feed pipe 22 of the template spraying device 8 is connected with a stirring discharge port 21 at the lower end of the mixed material stirring device 7, and the lower side of the other end of the spraying feed pipe 22 is provided with a spraying carding cavity 25. A rotary carding comb 26 is arranged in the spraying carding chamber 25. A spraying discharge hole plate 28 is arranged at the lower side of the spraying carding cavity 25, and a plurality of groups of spraying nozzles 29 (shown in fig. 7) are uniformly distributed at the lower side of the spraying discharge hole plate 28; the mixed material in the stirring tank body 15 is conveyed to a spraying carding cavity 25 by using a conveying auger 23 in a spraying conveying pipe 22, and the mixed material to be sprayed is carded by rotating a carding comb 26; the mixed material is then sprayed in strips into the forming shoe 14 on the roller conveyor via sets of spray nozzles 29 on a spray outlet orifice 28 on the underside of the spray comb chamber 25.

The spraying discharge orifice plate 28 at the lower side of the spraying carding chamber 25 is composed of an orifice plate body 46, a plurality of groups of discharge circular holes 47 are uniformly distributed on the orifice plate body 46, and the lower ends of the discharge circular holes 47 are respectively provided with a nozzle connecting part 48 for connecting with the spraying nozzle 29; the spraying discharge hole plate 28 is movably inserted at the lower side of the spraying carding cavity 25, and the end part of the hole plate body 46 of the spraying discharge hole plate 28 is also respectively provided with a drawing handle 50 and a positioning clamping hole 49; the spraying nozzles 29 are respectively arranged on the nozzle connecting parts 48 at the lower ends of the discharge round holes 47 of the spraying discharge pore plate 28 in a detachable mode, and the spraying carding cavity 25 is convenient to clean and overhaul the inside of the spraying carding cavity 25 through the plug-in connection of the spraying discharge pore plate 28 and the lower side opening of the spraying carding cavity 25. The spray nozzle 29 on the lower side of the spray discharge orifice 28 is composed of a nozzle body 51, a liquid spray orifice 52 is arranged at the lower end of the nozzle body 51, a discharge orifice connecting part 53 is arranged at the upper end of the nozzle body 51, a pressurizing liquid spray cavity 54 is arranged inside the nozzle body 51, two ends of the pressurizing liquid spray cavity 54 are respectively communicated with the discharge orifice connecting part 53 and the liquid spray orifice 52, the spray nozzle 29 is detachably connected to the lower side of the spray discharge orifice 28 through the discharge orifice connecting part 53, and mixed materials are sprayed into the forming template 14 from the liquid spray orifice 52 through the pressurizing liquid spray cavity 54 inside the nozzle body 51. In order to ensure the spraying effect of the spraying nozzle 29, a reserved anti-blocking vent hole 55 is arranged on the side wall of a liquid spraying hole 52 at the lower end of the nozzle main body 51, a one-way liquid outlet valve 56 is further arranged at the outlet of a pressurizing liquid spraying cavity 54 in the nozzle main body 51, so that when the liquid spraying hole 52 of the spraying nozzle 29 is blocked, high-pressure gas is injected into the liquid spraying hole 52 by utilizing the reserved anti-blocking vent hole 55 arranged on the side wall of the liquid spraying hole 52, and the liquid spraying hole 52 is fully cleaned by matching with the reverse sealing action of the one-way liquid outlet valve 56 at the outlet of the pressurizing liquid spraying cavity 54.

And a coating flattening mechanism 9 is respectively arranged above the longitudinal conveying roller way I1, the transverse conveying roller way I2, the longitudinal conveying roller way II 3 and the transverse conveying roller way II 4, on the lower side of a spraying nozzle 29 of each template spraying device 8 and in the front of the conveying direction of the conveying roller ways. The coating flattening mechanism 9 comprises a flattening support frame 57 connected with two sides of the conveying roller way, a template passing space 58 is arranged on the lower side of the middle part of the flattening support frame 57, and a flattening press plate 61 arranged along the conveying direction of the conveying roller way is arranged in the template passing space 58. The lower side of the smoothing pressure plate 61 is positioned above the forming template 14, and the upper side of the smoothing pressure plate 61 is connected with the telescopic end of a smoothing plate lifting cylinder 59 which is vertically arranged on the smoothing support frame 57 through a smoothing plate connecting frame 60. An upward bent arc bending section is arranged at one end of the flattening press plate 61, which faces the template spraying device 8, so that the surface of a coating in the forming template 14 can be gently flattened; and limit stoppers are further arranged between the two sides of the smoothing pressure plate 61 and the smoothing support frame 57. Therefore, the smoothing plate connecting frame 60 and the smoothing pressing plate 61 connected with the lower side of the smoothing plate connecting frame are driven by the smoothing plate lifting air cylinder 59 to move up and down together, and the surfaces of the coatings sprayed on the conveying roller way and in the forming template 14 are arranged and smoothed, so that the coatings of all layers are in full contact, and the interlayer flatness of the formed plate is ensured.

In addition, on a closed conveying line of a return type formed by enclosing a longitudinal conveying roller way I1, a transverse conveying roller way I2, a longitudinal conveying roller way II 3 and a transverse conveying roller way II 4, reversing conveying devices 11 which are convenient for the forming template 14 to be smoothly conveyed on the two conveying roller ways which are vertically arranged are respectively arranged between every two adjacent conveying roller ways. The reversing conveying device 11 comprises a reversing support frame 62, and a horizontally-arranged reversing conveying table 63 is arranged at the upper part of the reversing support frame 62. Two groups of relief conveying rollers 64 (shown in figure 13) for assisting in the forced conveying of the forming template 14 are arranged in parallel on the reversing conveying table 63 and on one side close to the previous conveying roller table. The reversing conveying table 63 is composed of a conveying table plate 69, a plurality of ball arrangement holes 70 are formed in the conveying table plate 69, sliding balls 68 are rotatably arranged in the ball arrangement holes 70, the sliding balls 68 are fixed in the ball arrangement holes 70 through ball lubrication spherical bowls 73 arranged on the lower side of the conveying table plate 69, and the upper portions of the sliding balls 68 are located above the conveying table plate 69; furthermore, the plurality of sliding balls 68 arranged on the conveying platen 69 assist the reversing movement of the forming die plate 14 on the reversing conveying table 63, and improve the smoothness of the reversing conveying process of the forming die plate 14.

And the other edges, which are not connected with the two adjacent conveying roller ways, on the conveying table plate 69 of the reversing conveying table 63 of the reversing conveying device 11 are provided with limiting guide plates 71, so that the limiting guide plates 71 at the edges of the conveying table plate 69 are used for guiding and limiting the reversing movement of the forming template 14. Meanwhile, a proximity sensor 72 is arranged on a limit guide plate 71 at the edge of the conveying platen 69; after the forming die plate 14 is completely moved onto the transfer platen 69, the forming die plate 14 is used to trigger the proximity sensor 72, and then the proximity sensor 72 sends an action signal to the reversing toggle cylinder 66 to drive the reversing toggle fork 65 to move, so as to perform reversing pushing on the forming die plate 14.

The reversing transmission table 63 is further provided with a reversing shifting fork 65 arranged along the conveying direction of the next conveying roller way, and the section of the reversing shifting fork 65 is of a U-shaped structure. Accordingly, two reversing fork guide grooves 67 arranged along the conveying direction of the next rollgang are provided on the conveying platen 69 of the reversing conveying table 63. Meanwhile, the reversing shifting fork 65 is positioned below the reversing conveying table 63, and two shifting ends at the upper part of the reversing shifting fork 65 are respectively inserted through openings at the end parts of two reversing fork guide grooves 67; and the shifting end of the reversing shifting fork 65 is positioned above the reversing conveying table 63, and the driving end of the reversing shifting fork 65 is connected with the telescopic end of the reversing shifting cylinder 66. Therefore, the forming template 14 at the tail end of the previous conveying roller way is conveyed to the reversing conveying table 63 in an auxiliary mode by the aid of the force application and forward pushing action of the relief conveying roller 64; then, the reversing poking cylinder 66 positioned below the reversing conveying table 63 drives the reversing poking fork 65 to reciprocate along the reversing fork guide groove 67, so that the forming template 14 on the reversing conveying table 63 is pushed to the next conveying roller way, and the next layer of mixed material is sprayed in the forming template 14 by using the template spraying device 8 arranged on the next conveying roller way.

Meanwhile, a vertically-arranged circulating conveying baffle 80 is arranged on the reversing conveying device 11 arranged between the tail end of the adjacent transverse conveying roller way II 4 and the front end of the longitudinal conveying roller way I1 and on one side of the template outlet 6. The lower part of the circulating conveying baffle 80 is connected with the telescopic end of a vertically arranged circulating baffle lifting cylinder 81, and a discharge inclined plate 79 (shown in figure 18) is arranged at the template outlet 6. And then through the stopping of the raised circular conveying baffle plate 80, the forming template 14 conveyed from the tail end of the transverse conveying roller way II 4 is driven to continue to be circularly conveyed in a loop-shaped closed conveying line formed by enclosing the longitudinal conveying roller way I1, the transverse conveying roller way I2, the longitudinal conveying roller way II 3 and the transverse conveying roller way II 4, and the template spraying devices 8 at the lower ends of the four groups of material mixing stirring devices 7 are utilized to spray material mixing slurry layer by layer into the forming template 14 automatically advancing on each conveying roller way to form a plate. After the plate material in the forming die plate 14 is completely sprayed and formed, the circulating baffle lifting cylinder 81 drives the circulating conveying baffle 80 to descend, so that the forming die plate 14 is conveyed to the next working procedure through the discharging inclined plate 79 at the die plate outlet 6.

And a plate surface polishing mechanism 12 is arranged on the rear section roller way close to the template outlet 6 on the transverse conveying roller way II 4. The board surface calendering mechanism 12 comprises rotating calendering rollers 74 which are arranged above the transverse conveying roller table II 4 in parallel, and the rotating axes of the rotating calendering rollers 74 are vertical to the conveying direction of the transverse conveying roller table II 4; the drive end of the rotating calender roll 74 is connected to the output of a calender roll rotating motor 78. Two ends of the rotating calender roll 74 are respectively connected with calender roll supporting frames 75 arranged on frame bodies at two sides of the transverse conveying roller table II 4 through lifting sliding sleeves 76; the upper ends of the lifting sliding sleeves 76 are also respectively connected with the telescopic ends of calender roll lifting cylinders 77 vertically arranged on the calender roll supporting frame 75. Therefore, the calender roll rotating motor 78 drives the rotating calender roll 74 to rotate continuously, and the calender roll lifting cylinders 77 arranged on two sides of the transverse conveying roller bed II 4 are utilized to drive the rotating calender roll 74 to move downwards so as to polish and roll the outer surface of the plate in the forming template 14 to be conveyed out from the template outlet 6, ensure the smoothness of the outer surface of the formed plate and improve the quality of the formed plate.

In order to carry out primary drying and shaping on each spraying layer in the process of respectively spraying the mixed materials layer by layer in the forming template 14 by each template spraying device 8, hot air hoods 10 which are continuously arranged along the conveying direction of the forming template 14 are respectively arranged above a longitudinal conveying roller way I1, a transverse conveying roller way I2, a longitudinal conveying roller way II 3 and a transverse conveying roller way II 4 of the plate forming equipment. The inside of hot-blast cover 10 is provided with stoving die cavity 82, and the upper portion of stoving die cavity 82 is provided with ventilation pipe line interface 83, and ventilation pipe line interface 83 links to each other with the pipeline of supplying hot-blast. A plurality of groups of conveying roller way cleaning pipes 84 which are transversely arranged along the conveying direction of the conveying roller way are also arranged in the drying fixed cavity 82 of the hot air cover 10; each of the cleaning tubes 84 of the rollgang is provided with a plurality of groups of cleaning nozzles 85 for cleaning the rollgang during shutdown for maintenance.

When the diatom board forming equipment is used, firstly, mixed raw materials enter the stirring feed inlets 17 at the upper ends of the four groups of mixed material stirring devices 7 through mixed material conveying pipelines; and a plurality of groups of middle stirring impellers 19 and bottom stirring impellers 20 on the stirring rotating shaft 18 of the mixing stirring device 7 are utilized to fully stir the mixed materials in the stirring tank body 15 so as to prevent the mixed materials from depositing and facilitate spraying. Then, the mixed materials in the stirring tank body 15 are conveyed to a spraying carding cavity 25 through a conveying auger 23 in a spraying conveying pipe 22 of a template spraying device 8 at the lower end of each mixed material stirring device 7, and the mixed materials to be sprayed are carded by a rotating carding comb 26; the mixed material is then sprayed in strips through sets of spray nozzles 29 on the underside of the spray comb chamber 25 into the continuously conveyed forming die plate 14 on respective conveyor tables. After a layer of mixed material is sprayed in the forming template 14, the flattening plate connecting frame 60 and the flattening pressing plate 61 connected with the lower side of the flattening plate connecting frame are driven by the flattening plate lifting air cylinder 59 to move up and down together, and the surfaces of the coatings sprayed on the conveying roller way and in the forming template 14 are arranged and flattened, so that the coatings are fully contacted, and the interlayer flatness of the formed plate is ensured.

Meanwhile, the continuously arranged forming templates 14 are circularly conveyed in a closed conveying line formed by enclosing a longitudinal conveying roller way I1, a transverse conveying roller way I2, a longitudinal conveying roller way II 3 and a transverse conveying roller way II 4 through a reversing conveying device 11, and the mixing slurry is sprayed layer by layer into the automatically advancing forming templates 14 on each conveying roller way by a template spraying device 8 at the lower end of four mixing stirring devices 7 to form plates. In the process that each template spraying device 8 sprays and mixes materials into the forming template 14 layer by layer, each spraying layer is primarily dried and shaped by utilizing the hot air hood 10 arranged above each conveying roller way. After the forming template 14 circularly travels for a plurality of circles in the return type closed conveying line, the plates in the forming template are sprayed and formed, and the process requirements are met, the circulating baffle lifting cylinder 81 is used for driving the circulating conveying baffle 80 at the template outlet 6 of the plate forming equipment to descend, so that the forming template 14 after the plates are sprayed and formed is conveyed to the next process through the discharging inclined plate 79 at the template outlet 6. Before the forming die plate 14 is conveyed out of the die plate outlet 6, a calender roll lifting cylinder 77 arranged at the rear section of the transverse conveying roller table II 4 is utilized to drive the rotating calender roll 74 to move downwards so as to polish and roll the outer surface of the inner plate of the forming die plate 14 to be conveyed out of the die plate outlet 6 and improve the smoothness of the outer surface of the formed plate.

Claims

1. The utility model provides a panel former of diatom board, includes vertical rollgang I (1), its characterized in that: the front end of the longitudinal conveying roller way I (1) is provided with a template inlet (5), the tail end of the longitudinal conveying roller way I (1) is connected with the front end of the transverse conveying roller way I (2), the tail end of the transverse conveying roller way I (2) is connected with the front end of the longitudinal conveying roller way II (3), the tail end of the longitudinal conveying roller way II (3) is connected with the front end of the transverse conveying roller way II (4), the tail end of the transverse conveying roller way II (4) is connected with the front end of the longitudinal conveying roller way I (1), and the tail end of the transverse conveying roller way II (4) is also provided with a template outlet (6); four groups of mixed material stirring devices (7) are arranged in the middle of a closed conveying line which is formed by enclosing the longitudinal conveying roller way I (1), the transverse conveying roller way I (2), the longitudinal conveying roller way II (3) and the transverse conveying roller way II (4); the lower end of the mixing and stirring device (7) is provided with a stirring discharge hole (21) which is respectively provided with a horizontally arranged template spraying device (8); the template spraying devices (8) at the lower ends of the four groups of mixed material stirring devices (7) are respectively and sequentially arranged above the longitudinal conveying roller way I (1), the transverse conveying roller way I (2), the longitudinal conveying roller way II (3) and the transverse conveying roller way II (4); meanwhile, hot air hoods (10) which are continuously arranged along the conveying direction of the forming template (14) are respectively arranged above the conveying roller ways.

2. The apparatus for forming a sheet of diatom plates of claim 1 wherein: the mixing and stirring device (7) is composed of a stirring tank body (15), a vertically arranged stirring rotating shaft (18) is arranged in the stirring tank body (15), and the upper end of the stirring rotating shaft (18) is connected with the output end of a stirring motor (16) arranged at the top of the stirring tank body (15); the stirring rotating shaft (18) is also provided with a plurality of groups of middle stirring impellers (19) which are arranged along the axial direction of the rotating shaft, and the lower end of the stirring rotating shaft (18) is provided with a bottom stirring impeller (20); the upper end of the stirring tank body (15) is provided with a stirring feeding hole (17), and the lower end of the stirring tank body (15) is provided with a stirring discharging hole (21).

3. The apparatus for forming a sheet of diatom plates of claim 2 wherein: the stirring rotating shaft (18) is composed of a rotating shaft main body (30), a hollow flow channel (31) is arranged inside the rotating shaft main body (30), an auxiliary solvent inlet (32) communicated with the hollow flow channel (31) is formed in the side wall of the upper end of the rotating shaft main body (30), a plurality of groups of auxiliary solvent outlets (33) corresponding to the positions of the middle stirring impellers (19) are formed in the side wall of the middle section of the rotating shaft main body (30), and the auxiliary solvent outlets (33) are also communicated with the hollow flow channel (31).

4. The apparatus for forming a sheet of diatom plates of claim 3 wherein: the middle stirring impeller (19) comprises an impeller connecting sleeve (34), a solvent buffer cavity (36) is arranged in the impeller connecting sleeve (34), a plurality of middle impeller blades (35) which are arranged along the same circumference at equal included angles are arranged on the outer side of the impeller connecting sleeve (34), and a solvent discharge channel (38) is arranged in each middle impeller blade (35); the inlet end of the solvent discharge channel (38) of the middle impeller blade (35) is respectively communicated with a solvent buffer cavity (36) in the impeller connecting sleeve (34) through solvent distribution holes (37) arranged on the side wall of the impeller connecting sleeve (34); the outlet end of the solvent discharge channel (38) of the middle impeller blade (35) is communicated with the inner cavity of the stirring tank body (15); each middle stirring impeller (19) is respectively arranged on the rotating shaft main body (30) of the stirring rotating shaft (18) through an impeller connecting sleeve (34), and a solvent buffer cavity (36) of the impeller connecting sleeve (34) is communicated with an auxiliary solvent outlet (33) which is arranged on the side wall of the rotating shaft main body (30) and corresponds to the side wall.

5. The apparatus for forming a sheet of diatom plates of claim 2 wherein: bottom impeller (20) comprise bottom impeller main part (39), are provided with bottom impeller blade (40) that a plurality of was arranged along same circumference, contained angle such that on bottom impeller main part (39), bottom impeller (20) are through impeller connecting hole (41) in bottom impeller main part (39) middle part, the fixed lower extreme that sets up in stirring pivot (18).

6. The apparatus for forming a sheet of diatom plates of claim 1 wherein: the template spraying device (8) is composed of a spraying conveying pipe (22) which is horizontally arranged, a conveying auger (23) is rotatably arranged inside the spraying conveying pipe (22), and the driving end of the conveying auger (23) is connected with the output end of a conveying motor (24) arranged at the end part of the spraying conveying pipe (22); moreover, the upper side of one end of the spraying conveying pipe (22) is connected with a stirring discharge port (21) at the lower end of the mixing and stirring device (7), a spraying carding cavity (25) is arranged at the lower side of the other end of the spraying conveying pipe (22), and a rotating carding comb (26) is arranged in the spraying carding cavity (25); meanwhile, a spraying discharge hole plate (28) is arranged on the lower side of the spraying carding cavity (25), and a plurality of groups of spraying nozzles (29) are uniformly distributed on the lower side of the spraying discharge hole plate (28).

7. The apparatus for forming a sheet of diatom plates of claim 6 wherein: defeated material auger (23) comprise spiral auger piece (43) of arranging in succession, and the middle part of spiral auger piece (43) is provided with shaftless defeated material chamber (45) of arranging along axis of rotation, and, the both ends of spiral auger piece (43) are provided with drive connection minor axis (44) respectively.

8. The apparatus for forming a sheet of diatom plates of claim 6 wherein: the spraying discharge orifice plate (28) is composed of an orifice plate body (46), a plurality of groups of discharge circular holes (47) are uniformly distributed on the orifice plate body (46), and the lower ends of the discharge circular holes (47) are respectively provided with a nozzle connecting part (48) used for being connected with the spraying nozzle (29); the spraying discharge orifice plate (28) is movably inserted at the lower side of the spraying carding cavity (25), and the end part of the orifice plate body (46) of the spraying discharge orifice plate (28) is also respectively provided with a drawing handle (50) and a positioning clamping hole (49).

9. The apparatus for forming a sheet of diatom plates of claim 6 wherein: the spray nozzle (29) is composed of a nozzle main body (51), a liquid spraying hole (52) is formed in the lower end of the nozzle main body (51), a discharge hole plate connecting portion (53) is formed in the upper end of the nozzle main body (51), a pressurizing liquid spraying cavity (54) is formed in the nozzle main body (51), and two ends of the pressurizing liquid spraying cavity (54) are communicated with the discharge hole plate connecting portion (53) and the liquid spraying hole (52) respectively.

10. The apparatus for forming a sheet of diatom plates of claim 1 wherein: coating flattening mechanisms (9) are respectively arranged at the front part of the template spraying device (8) and at the front side of the spraying outlets above the conveying roller ways, each coating flattening mechanism (9) comprises a flattening support frame (57), a template passing space (58) is arranged at the lower side of the middle part of each flattening support frame (57), and flattening press plates (61) arranged along the conveying direction of the conveying roller ways are arranged in the template passing space (58); the lower side of the smoothing pressing plate (61) is located above the forming template (14), the upper side of the smoothing pressing plate (61) is connected with the telescopic end of a smoothing plate lifting cylinder (59) which is vertically arranged on the smoothing supporting frame (57) through a smoothing plate connecting frame (60).

11. The apparatus for forming a sheet of diatom plates of claim 1 wherein: a reversing conveying device (11) is respectively arranged between the two adjacent conveying roller ways, the reversing conveying device (11) comprises a reversing support frame (62), and a horizontally-arranged reversing conveying table (63) is arranged at the upper part of the reversing support frame (62); a relief pattern conveying roller (64) for assisting in conveying the forming template (14) is arranged on one side, close to the previous conveying roller way, of the reversing conveying table (63); and moreover, a reversing poking fork (65) arranged along the conveying direction of the next conveying roller way is further arranged on the reversing conveying table (63), the poking end of the reversing poking fork (65) is positioned above the reversing conveying table (63), and meanwhile, the driving end of the reversing poking fork (65) is connected with the telescopic end of the reversing poking cylinder (66).

12. The apparatus of claim 11, wherein: the reversing conveying table (63) is composed of a conveying table plate (69), a plurality of ball arrangement holes (70) are formed in the conveying table plate (69), sliding balls (68) are arranged in the ball arrangement holes (70), the sliding balls (68) are fixed in the ball arrangement holes (70) through ball lubrication spherical bowls (73) arranged on the lower side of the conveying table plate (69), and the upper portions of the sliding balls (68) are located above the conveying table plate (69).

13. The apparatus of claim 12, wherein: a reversing fork guide groove (67) arranged along the conveying direction of the next conveying roller way is formed in a conveying platen (69) of the reversing conveying table (63), meanwhile, the reversing poking fork (65) is located below the reversing conveying table (63), and a poking end of the upper portion of the reversing poking fork (65) is inserted through an opening in the end portion of the reversing fork guide groove (67).

14. The apparatus of claim 11, wherein: a circulating conveying baffle plate (80) is arranged on the reversing conveying device (11) arranged between the adjacent transverse conveying roller way II (4) and the longitudinal conveying roller way I (1) and positioned on one side of the template outlet (6); the lower part of the circulating conveying baffle (80) is connected with the telescopic end of a vertically arranged circulating baffle lifting cylinder (81), and a discharging inclined plate (79) is further arranged at the position of the template outlet (6).

15. The apparatus for forming a sheet of diatom plates of claim 1 wherein: a board surface calendering mechanism (12) is arranged on the transverse conveying roller way II (4) and the rear roller way close to the template outlet (6), the board surface calendering mechanism (12) comprises a rotating calendering roller (74) arranged above the transverse conveying roller way II (4), the rotating axis of the rotating calendering roller (74) is perpendicular to the conveying direction of the transverse conveying roller way II (4), and the driving end of the rotating calendering roller (74) is connected with the output end of a calendering roller rotating motor (78); two ends of the rotary calender roll (74) are respectively connected with calender roll supporting frames (75) arranged on frame bodies on two sides of the transverse conveying roller bed II (4) through lifting sliding sleeves (76), and the upper ends of the lifting sliding sleeves (76) are also respectively connected with telescopic ends of calender roll lifting cylinders (77) which are vertically arranged.