CN107720314B - Material distribution and discharge device of circular fermentation machine - Google Patents

Abstract

The invention relates to a material distribution and discharge device of a circular fermentation machine, which comprises a circular fermentation bed positioned at the lower part of a cylindrical fermentation tank, wherein a central discharge mechanism extending upwards is arranged in a fermentation machine discharge cavity below the circular fermentation bed, the cylindrical fermentation tank is provided with a central feed pipe, the lower end of the central feed pipe is connected with a rotatable feeding chute, the inner wall of the middle part of the cylindrical fermentation tank in the height direction is fixedly provided with an annular chain rail, the top of the central discharge mechanism is provided with a rotary arm extending horizontally along the radial direction, the outer end head of the rotary arm is supported on the top surface of the annular chain rail and can rotate around a central axis, and the rear side of the rotary arm is provided with a horizontal material distribution and discharge auger; the rear side of the horizontal material distribution and discharge auger is provided with an auger baffle plate extending along the whole length direction of the auger, the inner end head of the horizontal material distribution and discharge auger is in butt joint with the discharge door of the central discharge mechanism, and the lower end of the feeding oblique chute is in butt joint with the inner end head of the horizontal material distribution and discharge auger. The device is quick and even in material distribution and discharging, high in production efficiency and good in fermentation quality.

Description

Material distribution and discharge device of circular fermentation machine

Technical Field

The invention relates to disc fermentation equipment, in particular to a material distributing and discharging device of a circular fermentation machine, which can be used for fermenting dreg materials and belongs to the technical field of fermentation machinery.

Background

The solid state fermentation treatment of the meal is a fast developed deep processing technology of the meal at present, and under the condition of manual controllability, partial macromolecular substances such as polysaccharide, protein, fat and the like are degraded through the metabolism of microorganisms to generate small molecular substances such as organic acid, soluble polypeptide and the like, so that the biological feed or feed raw material with rich nutrition, good palatability and high viable bacteria content is formed.

The fermentation equipment is essentially adapted to the fermentation process. At present, domestic dreg type solid-state fermentation equipment mainly comprises: belt, floor (heap fermentation), cement pond/tank (pool or tank), box and tank, etc.

The belt type and floor pile type fermentation is suitable for shallow fermentation with the material thickness of 5-10 cm, the material thickness is thin, oxygen diffusion is facilitated, aerobic bacteria can be propagated in a large quantity, in addition, the heat diffusion generated by bacteria is facilitated due to the shallow fermentation, so that the fermentation always keeps a temperature suitable for the growth of the bacteria, but the method is generally not adopted for products with high added value, because the shallow fermentation occupies a large area, the yield per unit area is low, the production cost is high.

The tank type, groove type or box type fermentation is suitable for medium-high layer fermentation with the material thickness of 400-1200 mm, and is suitable for advanced aerobic and medium-later facultative anaerobic fermentation, so that the tank type, groove type or box type fermentation is suitable for composite strain and yeast type fermentation, the automatic operation can be realized, the labor intensity is reduced, the production efficiency is improved, but the automatic operation of higher material layer material fermentation is not suitable, and the conveying of viscous materials with higher small peptide content is also the problem to be solved urgently at present.

Tank fermentation is suitable for anaerobic deep fermentation of higher material layer, and large-scale tank airtight container can provide anaerobic environment, and fermented material small peptide content is higher, and the viscidity is great, is difficult to use mechanical automation equipment ejection of compact, can only adopt manual handling, and production environment is abominable, and intensity of labour is big, is unfavorable for fermentation environment's stability.

The current trend of the dreg fermentation technology is to adopt deep fermentation of a high material layer so as to deeply degrade anti-nutritional factors, decompose macromolecular substances such as polysaccharide, protein, fat and the like, generate more small molecular substances such as organic acid, soluble polypeptide and the like, improve the productivity of unit area, simultaneously require to realize mechanical automation, reduce the labor investment and improve the production environment.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provide the material distributing and discharging device of the circular fermentation machine, which has the advantages of rapid and uniform material distribution and discharging, high production efficiency and good fermentation quality.

In order to solve the technical problems, the material distribution and discharging device of the circular fermentation machine comprises a circular fermentation bed which is positioned at the lower part of a cylindrical fermentation tank, wherein the circular fermentation bed is connected with the cylindrical fermentation tank into a whole, a fermentation machine discharging cavity is arranged below the circular fermentation bed, a fermentation machine discharging hole is formed in the circumference of the lower part of the cylindrical fermentation tank, the fermentation machine discharging hole is communicated with the fermentation machine discharging cavity through a discharging channel which extends along the radial direction, a central discharging mechanism is arranged in the fermentation machine discharging cavity, the central discharging mechanism penetrates through a central hole of the circular fermentation bed and extends upwards to the middle part of the height direction of the cylindrical fermentation tank, a central feeding pipe is arranged along the axis of the cylindrical fermentation tank, the lower end of the central feeding pipe is connected with a feeding oblique chute which is bent to one side and can rotate, an annular chain rail is fixedly arranged on the inner wall of the middle part of the height direction of the cylindrical fermentation tank, a rotary arm which extends along the radial direction is arranged at the top of the central discharging mechanism, the outer end of the rotary arm is supported on the top surface of the annular chain rail and can rotate around the axis of the circular fermentation bed, and a material distribution auger is arranged at the rear side of the rotary arm; an auger baffle plate extending along the whole length direction of the auger is arranged at the rear side of the horizontal material distribution and discharge auger; a discharging door which rotates along with the rotary arm is arranged at the part of the central discharging mechanism above the circular fermentation bed, and the discharging door is in butt joint with the inner end head of the horizontal distribution discharging auger; the lower end of the feeding inclined chute is butted with the inner end head of the horizontal material distribution and discharge auger.

Compared with the existing fermentation equipment, the invention has the following beneficial effects: 1. when the cloth is distributed, a discharging door on the central discharging mechanism is closed; the inoculated and mixed materials to be fermented fall into the inner end head of the horizontal material distribution and discharge auger from the central feeding pipe and the feeding inclined chute, the horizontal material distribution and discharge auger Long Zhengxiang rotates, and meanwhile the outer end head of the rotary arm rotates around the axis of the central discharging mechanism to drive the horizontal material distribution and discharge auger to revolve, the auger baffle plate limits the materials in the horizontal material distribution and discharge auger, the materials are continuously conveyed from the central area to the peripheral area, and the whole circular fermentation bed is fully distributed along with the revolution. After the material distribution is completed, the inner cavity of the cylindrical fermentation box is in a closed state, so that the material enters a near anaerobic fermentation stage; after fermentation is completed, a discharging door on the central discharging mechanism is opened; the horizontal material distribution and discharge auger Long Fanxiang rotates, the rotary arm drives the horizontal material distribution and discharge auger to revolve, the auger baffle plate still limits materials in the horizontal material distribution and discharge auger, the materials are continuously conveyed to the discharge gate from the peripheral area and discharged through the central discharge mechanism, the discharged fermentation materials are conveyed to the next working section through other conveying equipment, and the materials on the whole circular fermentation bed can be discharged completely along with the revolution of the horizontal material distribution and discharge auger. 2. The large-diameter cylindrical fermentation box is adopted, so that high-equipment and intensive arrangement is realized, the fermentation environment is good, sealing and isolation are realized between the fermentation environment and the external environment, the fermentation environment is effectively controlled, and near anaerobic fermentation conditions are realized. 3. Stainless steel lining plates can be arranged at the positions, such as the inner wall of the cylinder fermentation box and the top surface of the circular fermentation bed, which are contacted with materials, so that the cylinder fermentation box is effectively protected, acidic substances generated in the fermentation process of the meal are prevented from corroding equipment, and the service life of the equipment is prolonged. 4. The cylinder fermentation box adopts the central fixed point feeding and discharging, so that the feeding and discharging conveying mode is simpler and more convenient, the conveying capacity is large, and the influence of long feeding and discharging time on the quality of fermentation materials is reduced. 5. The high-material-layer deep fermentation of 2000-2500 mm can be realized, macromolecule substances such as anti-nutritional factors, polysaccharides, proteins, fat and the like contained in the meal are deeply degraded, more organic acids, soluble polypeptides and other small molecule substances are generated, high-quality products are obtained, and the added value of the products is improved. 6. The heat insulation material is arranged on the periphery of the cylinder fermentation box, so that heat dissipation of the cylinder fermentation box is reduced, and fermentation speed is accelerated. 7. For viscous materials subjected to deep fermentation, the horizontal material distribution and discharge auger can avoid extruding the materials, and smoothly outputs the materials to a fermentation tank to enter the next working section. 8. By means of the highly-automatic equipment integrated in the cylindrical fermentation tank, programmed automatic operation can be realized, energy consumption is low, manual labor intensity is reduced, and production efficiency is improved.

As an improvement of the invention, an auger driving motor is arranged above the outer end of the horizontal cloth unloading auger, the auger driving motor is fixed on a conveying auger frame, the top of the conveying auger frame is connected with two guide posts which extend upwards and are parallel to each other, the upper ends of the two guide posts are connected with each other through a guide post connecting beam, the middle parts of the two guide posts are respectively clamped in a guide post slide seat and can slide up and down along the guide post slide seat, and the front sides of the two guide post slide seats are respectively fixedly connected with the rotary arm; the front side surfaces of the two guide posts are respectively provided with a linear chain extending along the axial direction of the guide posts, the two linear chain is respectively meshed with a guide post lifting driving sprocket, the two guide post lifting driving sprockets are respectively arranged at two ends of a guide post lifting driving shaft, the two ends of the guide post lifting driving shaft are respectively supported in driving shaft bearing seats, the driving shaft bearing seats are respectively fixed on driving shaft brackets, and the front ends of the driving shaft brackets are respectively welded at the rear side surfaces of the rotary arms; the middle part of the guide post lifting driving shaft is connected with the output end of the guide post driving speed reducer, and the input end of the guide post driving speed reducer is connected with the guide post driving motor; the top fixedly connected with of guide pillar drive speed reducer ends the bull stick, end the bull stick with revolving arm fixed connection. When distributing, the auger driving motor drives the horizontal distributing and discharging auger Long Zhengxiang to rotate. During discharging, the auger driving motor drives the horizontal material distributing and discharging auger Long Fanxiang to rotate, after the horizontal material distributing and discharging auger revolves along the rotary arm for a circle to discharge materials on the top, the guide pillar driving motor drives the guide pillar lifting driving shaft to rotate through the guide pillar driving speed reducer, the stop rod is fixedly connected to the rotary arm to prevent the guide pillar driving speed reducer from rotating, the guide pillar lifting driving chain wheels at two ends of the guide pillar lifting driving shaft drive the straight chain to move downwards for a distance, the guide pillar drives the horizontal material distributing and discharging auger to descend along the guide pillar sliding seat to the next discharging section, then reversely rotates again and revolves along the rotary arm for a circle, and then the guide pillar driving motor continues to descend for a height until the materials on the circular fermentation bed are discharged. According to the invention, a layered discharging mode is adopted, and 2-5 layers of discharging materials are selected according to the physical properties of the fermented materials, so that the loading height of the circular fermentation bed can be increased, and the yield of the fermented materials is greatly increased.

As a further improvement of the invention, a lifting height signaling disc is fixed in the middle of the guide post lifting driving shaft, a plurality of signaling teeth are uniformly distributed on the circumference of the lifting height signaling disc, and a guide post lifting probe for detecting the signaling teeth is arranged on one side of the lifting height signaling disc; the upper part of the guide post is provided with a lifting stroke low limit rod, and the lower part of the guide post is provided with a lifting stroke high limit rod; the upper part of the guide pillar sliding seat is provided with a lifting travel low limit travel switch, and the lower part of the guide pillar sliding seat is provided with a lifting travel high limit travel switch; and contacts of the lifting travel low limit travel switch and the lifting travel high limit travel switch extend to the position between the lifting travel low limit rod and the lifting travel high limit rod. When the guide column lifting driving shaft drives the guide column and the horizontal material discharging auger to lift, the lifting height signaling disc synchronously rotates along with the guide column lifting driving shaft, the guide column lifting probe detects the number of the signaling teeth to pass through to obtain the rotation angles of the lifting height signaling disc and the guide column lifting driving shaft, and the control system can accurately control the lifting height of the horizontal material discharging auger according to the rotation angles of the guide column lifting driving shaft. When the horizontal material distribution and discharge auger is lifted to the highest limit position, the lifting travel high limit rod touches a contact of the lifting travel high limit travel switch, and the guide post drives the motor to break the power supply and brake; when the horizontal material distribution and unloading auger descends to the lowest limit position, the lifting stroke low limit rod touches the contact of the lifting stroke low limit stroke switch, and the guide pillar driving motor is powered off and braked.

As a further improvement of the invention, an auger shaft driven sprocket is arranged on an auger shaft of the horizontal cloth unloading auger, the auger shaft driven sprocket is in transmission connection with an auger shaft driving sprocket through a chain, the auger shaft driving sprocket is arranged on an output shaft of the auger driving motor, and the auger shaft driving sprocket, the auger shaft driven sprocket and the chain thereof are enclosed in a chain housing; a cutting rod is arranged in front of the chain housing, a tip part pointing forward is arranged on the cross section of the cutting rod, the upper end of the cutting rod is fixedly connected to the conveying auger frame, and a cutting shovel parallel to the circular fermentation bed is welded at the lower end of the cutting rod; the scraping blade is arranged in the whole length direction of the lower edge of the auger striker plate. The auger driving motor drives the auger shaft driven sprocket to rotate through the auger shaft driving sprocket and the chain, the auger shaft driven sprocket drives the horizontal material distributing and discharging auger to rotate, the auger shaft driving sprocket, the auger shaft driven sprocket, the chain and the chain housing can be positioned at one end of the horizontal material distributing and discharging auger and can also be positioned at a position close to the end part of the horizontal material distributing and discharging auger, when the chain housing is positioned in a helical blade of the horizontal material distributing and discharging auger, the helical blade needs to be truncated due to avoiding interference, when the horizontal material distributing and discharging auger revolves along with the revolving arm, materials positioned in front of the chain housing are easy to be agglomerated due to extrusion of the chain housing, the tip part of the cutting rod can scratch the agglomerated viscous materials, so that the viscous materials enter the horizontal material distributing and discharging auger in a homeotropic way and are output, and the discharging is smoother; when the material is discharged to the bottommost layer, the cutting shovel can scoop up the material adhered to the circular fermentation bed, so that the material residue at the position is avoided. Scraping blade at the lower edge of the auger baffle plate can effectively reduce the residual material quantity in the fermentation tank, reduce the loss of the fermentation viscous material conveying link and improve the product yield.

As a further improvement of the invention, the front side of the rotary arm is provided with a material flattening and pressing device, the material flattening and pressing device comprises a dragging roller for flattening a material layer, two shaft ends of the dragging roller are respectively connected with the lower end of a dragging roller suspension arm, the upper end of the dragging roller suspension arm is respectively hinged on a dragging roller lifting bracket through a suspension arm pin shaft, the rear end surface of the dragging roller lifting bracket is respectively connected with a lifting slide plate, the left side and the right side of the lifting slide plate are respectively positioned in the dragging roller lifting slide rail and can slide up and down along the dragging roller lifting slide rail, the dragging roller lifting slide rail is fixed on a dragging roller fixing bracket, the upper end of the dragging roller fixing bracket is fixedly connected with the rear side surface of the rotary arm, the center of a top plate of the dragging roller lifting bracket is connected with a dragging roller adjusting screw, the upper end of the dragging roller adjusting screw is fixed on a suspension plate through a dragging roller adjusting nut, and the rear side of the suspension plate is welded on the dragging roller fixing bracket; the automatic cleaning machine is characterized in that a driven sprocket of the pulling roller is arranged at one side shaft end of the pulling roller, the driven sprocket of the pulling roller is in transmission connection with a driving sprocket of the pulling roller through a chain, the driving sprocket of the pulling roller is arranged on an output shaft of a driving motor of the pulling roller, the driving motor of the pulling roller is arranged on a base of a driving motor of the pulling roller, and the base of the driving motor of the pulling roller is fixed on the front end face of a suspension arm of the pulling roller. The drag roller adjusting screw is lifted or lowered by rotating the drag roller adjusting nut above the suspension plate, the lifting slide plate drives the drag roller lifting support to slide along the drag roller lifting slide rail, and the drag roller suspension arm drives the drag roller to synchronously lift. When the material is distributed to the top layer, when the material flattening and pressing device revolves along with the rotary arm, the drag roller driving motor drives the drag roller driven sprocket and the drag roller to rotate through the drag roller driving sprocket and the chain, the drag roller rolls on the surface of the material to scrape the surface of the material layer, so that the height of the material layer on the whole circumference of the fermentation tank is consistent, and the uniform fermentation of the material is ensured; after the material distribution is finished, the upper layer of material can be compacted by the dragging roller, most of air among the material particles is discharged, and an anaerobic environment is further created for anaerobic microorganism fermentation, so that the quality of a fermentation product is ensured.

As a further improvement of the invention, a drag roller scraper for cleaning the drag roller is arranged at the rear side of the circumference of the drag roller, the drag roller scraper is hinged on a drag roller scraper shaft through a scraper bracket, two ends of the drag roller scraper shaft are respectively fixed on a drag roller scraper shaft bracket, and the front ends of the drag roller scraper shaft brackets are respectively welded on the rear end surfaces of the drag roller suspension arms; the lower part of the scraper bracket is hinged with a scraper tension spring, the upper end of the scraper tension spring is hinged on a scraper tension spring seat, and the scraper tension spring seat is fixedly connected below the dragging roller scraper shaft bracket. The inoculated viscous material is easy to adhere to the dragging roller, the tension of the scraper tension spring enables the dragging roller scraper to be tightly attached to the rear side of the circumference of the dragging roller, the material adhered to the dragging roller is scraped in time, and the surface smoothness of the dragging roller is ensured.

As a further improvement of the invention, a front rotation stopping leaning hill is welded on the front side of the top plate of the dragging roller lifting bracket, and the lower end of the front rotation stopping leaning hill is propped against the front side of the upper port of the dragging roller suspension arm; a rear limit transverse plate is fixed at the rear side of the lower end of the pull roll fixing support, a rear limit screw rod extending forwards is screwed at the middle part of the rear limit transverse plate, and the end head of the rear limit screw rod points to the rear end face of the pull roll suspension arm; the scraper tension spring seat is internally provided with a tension spring seat long groove extending along the front-back direction, a scraper tension spring hinge shaft capable of moving along the tension spring seat long groove is inserted in the tension spring seat long groove, the upper end of the scraper tension spring is hinged to the scraper tension spring hinge shaft, and the rear end of the scraper tension spring seat is rotatably connected with a scraper tension spring adjusting screw for adjusting the position of the scraper tension spring hinge shaft. The front rotation stopping leaning hill is abutted against the front side of the upper port of the dragging roller hanging arm, so that the dragging roller hanging arm can be prevented from rotating forwards, and when the dragging roller rolls on the surface of the material layer to encounter a large obstacle, the dragging roller hanging arm can swing backwards to avoid, and the overlarge load is prevented from being applied to the revolution of the revolving arm; the rear limit screw controls the backward swing amplitude of the drag roller suspension arm, prevents the backward swing amplitude of the drag roller from being too large, reduces the pressing force of the drag roller on materials, and influences the material leveling effect. The scraper tension spring adjusting screw is rotated, so that the adjusting scraper tension spring hinge shaft can move back and forth along the tension spring seat long groove in the scraper tension spring seat, and the tension of the scraper tension spring is adjusted.

As a further improvement of the invention, the central discharging mechanism comprises a coaxial main supporting pipe, a rotary cylinder, a fixed cylinder and a cone bucket, wherein the fixed cylinder is positioned in the center of the circular fermentation bed, the top of the fixed cylinder is level with the top surface of the circular fermentation bed, the bottom of the fixed cylinder is supported at the bottom of the cylindrical fermentation tank through a supporting leg, and the cone bucket is connected below a discharging hole of the fixed cylinder; the lower end of the main support pipe is supported at the center of the fixed cylinder, the upper end of the main support pipe is connected with a slewing bearing through a main support pipe bearing, a rotary arm mounting seat is fixedly connected above the slewing bearing, and the center end of the rotary arm is fixed on the rotary arm mounting seat; the rotary cylinder comprises a rotary outer cylinder and a rotary inner cylinder which are connected into a whole, the top of an annular discharging cavity between the rotary outer cylinder and the rotary inner cylinder is closed, the lower port of the annular discharging cavity is in butt joint with the upper port of the fixed cylinder, and the discharging door is positioned on the circumference of the rotary outer cylinder and extends along the full height direction of the rotary outer cylinder; the upper part of the rotary inner cylinder is fixedly connected with the circumference of the slewing bearing, and the lower part of the rotary inner cylinder is rotatably supported on the periphery of the lower part of the main supporting pipe through a rotary cylinder aligning mechanism; the rotary drum aligning mechanism comprises aligning rollers symmetrically attached to the periphery of the lower part of the main supporting pipe, the aligning rollers are respectively arranged on aligning roller seats through aligning roller shafts, and the aligning roller seats are respectively arranged on rotary drum aligning sliding seats and can slide along the radial direction of the rotary inner drum; the outer end of the rotary cylinder aligning sliding seat is connected with a rotary cylinder aligning screw in a screwed mode, and the inner end head of the rotary cylinder aligning screw abuts against the outer end face of the aligning roller seat. The center end of the rotary arm is supported on a slewing bearing through a rotary arm mounting seat, the slewing bearing can rotate along with the rotary arm at the upper end of the main supporting pipe, the upper part of the rotary inner cylinder is fixedly connected with the circumference of the slewing bearing, the whole rotary cylinder also rotates along with the rotary arm, and the main supporting pipe carries the weight of the rotary arm and the rotary cylinder. The rotating drum aligning screw can enable the aligning roller seat to translate on the rotating drum aligning sliding seat, the distance between the aligning roller and the main supporting tube shaft is adjusted, and the coaxial line of the rotating drum, the main supporting tube and the slewing bearing can be ensured through the adjustment of the positions of the aligning rollers on four phases. During discharging, a discharging door on the rotary outer cylinder is opened, and materials enter an annular discharging cavity between the rotary outer cylinder and the rotary inner cylinder and then fall into the fixed cylinder downwards and flow out of the cone hopper.

As a further improvement of the invention, a breaking arch mechanism is arranged in the cone hopper, the breaking arch mechanism comprises a breaking arch shaft extending along the radial direction of the cone hopper, a plurality of breaking arch teeth are distributed on the axial direction and the circumferential direction of the breaking arch shaft, and one end of the breaking arch shaft is connected with an output shaft of a breaking arch motor. The viscous material is easy to bridge and arch in the cone hopper, the breaking arch breaking motor is started to drive the breaking arch breaking shaft to rotate, and breaking arch breaking teeth on the breaking arch breaking shaft break up the material of the bridge and arch so that the material can smoothly fall down.

As a further improvement of the invention, the upper and lower ends of the back surface of the discharging door are respectively connected with a horizontally extending discharging door rotating arm, the other ends of the discharging door rotating arms are respectively hinged on a discharging door hinge seat through hinges, and the discharging door hinge seats are respectively fixed on the inner wall of the rotary outer cylinder; a discharge door speed reducer is arranged on a rotary cylinder support connected between the rotary outer cylinder and the rotary inner cylinder, the discharge door speed reducer is driven by a discharge door motor, a discharge door driving gear is arranged on an output shaft of the discharge door speed reducer, a gear shaft is arranged below the discharge door driving gear, a discharge door driven gear meshed with the discharge door driving gear is arranged on the periphery of the middle of the gear shaft, gear shaft bearings are respectively arranged at shaft shoulders at two ends of the gear shaft, the gear shaft bearings are respectively arranged in gear shaft bearing seats, and the gear shaft bearing seats are respectively fixed on the rotary cylinder support; the gear shaft is a hollow shaft, a discharging door driving screw is screwed in a central screw hole, a fork head shaft is screwed in the center of a front end large-diameter section of the discharging door driving screw, a connecting rod is hinged between two fork arms at the front end of the fork head shaft through a connecting rod pin shaft, the front end of the connecting rod is movably connected to a discharging door sliding seat, one side of the discharging door sliding seat is fixedly connected to a discharging door support, and the discharging door support is fixedly connected to the back of a discharging door. The discharging door motor drives the discharging door driving gear to rotate through the discharging door speed reducer, the discharging door driving gear drives the discharging door driven gear to rotate, the gear shaft is supported in the gear shaft bearing seat to synchronously rotate, and the discharging door driving screw rod is retracted backwards or extended forwards along the axis of the gear shaft due to the matching of threads; when the discharging door driving screw rod is retracted backwards, the connecting rod is pulled backwards through the fork head shaft, the front end of the connecting rod is pulled backwards through the discharging door sliding seat to enable the discharging door to rotate backwards around the discharging door hinge seat through the discharging door rotating arm, and the discharging door is opened. Conversely, when the discharging door driving screw rod extends forwards, the connecting rod is pushed forwards through the fork head shaft, the front end of the connecting rod pushes the discharging door support and the discharging door forwards through the discharging door sliding seat, and the discharging door rotates forwards around the discharging door hinge seat through the discharging door rotating arm until the discharging door is closed. The rotation axis of the discharging door is parallel to the axis of the rotary cylinder, the driving screw rod of the discharging door stretches along the axis of the discharging door and the axis is kept still, the change of the relative position between the front end of the connecting rod and the discharging door is compensated by the sliding seat of the discharging door, the space is greatly saved, the whole driving device of the discharging door is arranged in a narrow space between the rotary outer cylinder and the rotary inner cylinder, the automatic accurate control of the opening degree of the discharging door can be realized, the discharging can be controlled according to the actual situation, the driving device of the discharging door has a compact structure, the processing cost is low, and the maintenance and the replacement are convenient.

As a further improvement of the invention, the upper end and the lower end of the rear end face of the discharging door sliding seat are fixedly connected with limit cross bars which are parallel to each other, a sliding shaft which extends vertically is arranged between the two limit cross bars, the upper end and the lower end of the sliding shaft are respectively provided with a sliding shaft roller, the front end of the connecting rod is sleeved in the middle of the sliding shaft, the rear end faces of the two limit cross bars are covered with a sliding seat cover plate which is parallel to the rear end face of the discharging door sliding seat, and the sliding seat cover plate is provided with a connecting rod avoiding groove for the connecting rod to pass through; and a plastic anti-collision block is sleeved at the shaft shoulder of the large-diameter section at the front end of the discharge door driving screw. Because of the narrow space, the axis of the discharging door driving screw rod is kept motionless, and when the discharging door is opened and closed, the connecting point of the connecting rod and the discharging door sliding seat has angular change and position change. The upper end and the lower end of the sliding shaft are limited between the two limiting cross bars, the sliding shaft idler wheels are limited between the discharging door sliding seat and the sliding seat cover plate, when the connecting rod pulls the discharging door backwards, the sliding shaft idler wheels roll on the sliding seat cover plate, and the sliding shaft moves along the limiting cross bars in a direction away from the discharging door bracket; when the connecting rod pushes the discharging door forward, the sliding shaft roller pushes against the sliding seat of the discharging door to roll, the sliding shaft moves along the limiting cross rod towards the direction close to the discharging door support, and the connecting rod avoiding groove on the sliding seat cover plate provides a space for the change of the position and the angle of the connecting rod. The sliding friction of the discharging door sliding seat is changed into rolling friction, so that not only is the abrasion reduced, but also the opening and closing of the discharging door are light and flexible. When the plastic anti-collision block arranged at the front end of the discharge gate driving screw contacts the end face of the gear shaft bearing seat, the discharge gate driving screw reaches the limit position, the discharge gate reaches the maximum opening degree, the plastic anti-collision block avoids the rigid collision between the discharge gate driving screw and the gear shaft bearing seat, and the vibration of the discharge gate when the discharge gate is opened is reduced.

As a further improvement of the invention, a rotary arm motor, a rotary arm speed reducer and a rotary arm driving sprocket are arranged in an inner cavity of the outer end head of the rotary arm, the rotary arm driving sprocket is meshed with a sprocket on the circumference of the annular chain track, the center of the rotary arm driving sprocket is arranged on an output shaft of the rotary arm speed reducer, and the rotary arm speed reducer is driven by the rotary arm motor; the front side and the rear side of the outer end head of the rotary arm are respectively and fixedly connected with a rotary arm travelling mechanism, a rotary arm travelling wheel shaft is arranged between two side wallboards of the rotary arm travelling mechanism, the rotary arm travelling wheel is arranged in the middle of the rotary arm travelling wheel shaft through an angular contact ball bearing, and the lower end of the rotary arm travelling wheel is supported on the top surface of the annular chain rail; the two ends of the traveling wheel shaft of the rotary arm are respectively provided with a joint bearing, the joint bearings are respectively positioned in joint bearing seats, the joint bearing seats positioned at the outer side are fixed on the wallboard of the traveling mechanism of the rotary arm, the joint bearing seats positioned at the inner side are sliding joint bearing seats, the upper end and the lower end of each sliding joint bearing seat are respectively fixed on horizontal slide ways, the two horizontal slide ways are respectively fixed on the wallboard of the traveling mechanism of the rotary arm, one end of each horizontal slide way is fixedly provided with a vertical adjusting block, the middle part of each vertical adjusting block is rotatably connected with a traveling wheel adjusting screw of the rotary arm, and the end heads of the traveling wheel adjusting screws of the rotary arm are propped against the front side or the rear side of each sliding joint bearing seat; one side of the rotary arm driving chain wheel is provided with a walking tooth reading sensor, and a top cover of one rotary arm travelling mechanism is provided with a walking return-to-zero sensor. According to the invention, the rotary arm motor, the rotary arm speed reducer and the rotary arm driving sprocket are arranged in the inner cavity of the rotary arm, so that the space is greatly saved, the rotary arm motor drives the rotary arm driving sprocket to rotate through the rotary arm speed reducer, and the rotary arm driving sprocket advances along the sprocket teeth on the circumference of the annular sprocket rail, thereby driving the rotary arm to revolve; the weight of the outer end of the rotary arm is supported on the top surface of the annular chain rail through rotary arm travelling mechanisms at two sides of the rotary arm. The rotary arm travelling wheel freely rolls on the rotary arm travelling wheel shaft through the angular contact ball bearing, and the joint bearings at the two ends of the rotary arm travelling wheel shaft can play a role in aligning. When the axis of the travelling wheel shaft of the rotary arm cannot vertically point to the axis of the circular fermentation bed, the travelling wheel of the rotary arm cannot guarantee to advance along the tangential direction of the annular chain rail, and the phenomenon of slipping on the annular chain rail during operation can occur, so that the travelling wheel of the rotary arm and the annular chain rail are worn out too early, and vibration is caused during operation of the rotary arm. At the moment, the rotary arm travelling wheel adjusting screw screwed in the vertical adjusting block is rotated, so that the sliding joint bearing seat positioned on the inner end surface of the rotary arm travelling mechanism advances or retreats along the horizontal slideway, the axis of the rotary arm travelling wheel shaft is ensured to vertically point to the axis of the circular fermentation bed, and the rotary arm travelling wheel is ensured to advance along the tangential direction of the annular chain rail, so that the abrasion is reduced and the vibration is avoided. The walking tooth reading sensor counts the number of teeth of the rotary arm driving sprocket wheel to determine whether the rotary arm has revolved for a circle; the walking and tooth reading sensor restarts counting when the walking and zero returning sensor detects that the revolving arm passes through the same position, namely, revolves for one circle, so that errors are prevented from accumulating.

As a further improvement of the invention, the inner end head of the auger stop plate is connected with a transition stop plate extending towards the direction of the discharging door of the rotary outer cylinder, the inner end head of the transition stop plate is connected with an arc-shaped wear plate extending vertically, and the arc-shaped wear plate is attached to the rear side door frame of the discharging door; the upper portion of transition striker plate is connected with the feeding containment board that upwards extends, the feeding containment board encircles the lower extreme periphery of feeding chute. When the auger striker plate goes up and down along with the horizontal material distribution and discharging auger, the arc-shaped wear-resisting plate is attached to the rear side door frame of the discharging door and slides up and down, and the arc-shaped wear-resisting plate and the transition striker plate jointly ensure that no material leakage occurs at the position. When the horizontal material distribution and discharging auger goes up and down, the upward extending material feeding enclosing plate can ensure that the materials at the outlet of the material feeding inclined chute all enter the inner end head of the horizontal material distribution and discharging auger, so that smooth conveying along the radial direction to the periphery is ensured, and overhigh material layer in the central area caused by material leakage is avoided.

Drawings

The invention will now be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration only and are not intended to limit the invention.

FIG. 1 is a front view of a material loading and unloading device of a circular fermenter according to the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a perspective view of fig. 1.

Fig. 4 is a second perspective view of fig. 1.

FIG. 5 is a top view of the rotary arm part of the material loading and unloading device of the circular fermentation machine.

Fig. 6 is an enlarged cross-sectional view taken along A-A in fig. 5.

Fig. 7 is a perspective view of the horizontal feed and discharge auger and its lifting mechanism in fig. 1.

Fig. 8 is a second perspective view of the horizontal feed and discharge auger and its lifting mechanism in fig. 1.

Fig. 9 is a perspective view of a second embodiment of a horizontal cloth discharge auger in accordance with the present invention.

Fig. 10 is a front view of the center discharge mechanism of fig. 1.

Fig. 11 is a cross-sectional view taken along B-B in fig. 10.

Fig. 12 is a perspective view of the center discharge mechanism of fig. 1.

Fig. 13 is a perspective view of the outfeed gate drive.

Fig. 14 is a second perspective view of the outfeed gate drive with the slide cover removed.

Fig. 15 is a partial cross-sectional view of the outfeed gate drive.

Fig. 16 is a front view of a flat material pressing device in the present invention.

Fig. 17 is a perspective view of fig. 16.

Fig. 18 is a second perspective view of fig. 16.

In the figure: 1. a cylindrical fermentation tank; 1a, a discharging cavity of a fermentation machine; 1b, a discharge port of a fermentation machine; 2. a circular fermentation bed; 3a, a central feeding pipe; 3b, feeding an oblique chute; 4. an annular chain rail; 5. a rotary arm; 5a, a rotary arm motor; 5b, a rotary arm speed reducer; 5c, rotating arm sprocket shaft; 5d, driving a chain wheel by a rotary arm; 6. a rotary arm travelling mechanism; 6a, a revolving arm walking wheel shaft; 6b, a rotary arm travelling wheel; 6c, angular contact ball bearings; 6d, a knuckle bearing; 6e, sliding the joint bearing seat; 6f, horizontal slideway; 6g, vertical adjusting blocks; 6h, adjusting screws of travelling wheels of the rotary arm; 6j, walking the return-to-zero sensor; 7. a horizontal material distribution and discharge auger; 7a, conveying an auger frame; 7b, a screw driving motor; 7c, a chain cover shell; 7d, a packing auger baffle plate; 7e, scraping blade; 7f, a transition baffle plate; 7g, arc wear plates; 7h, feeding a containment plate; 8. a cutting rod; 8a, a cutting shovel; 9. a guide post; 9a, connecting the guide posts with the beam; 9b, a guide post sliding seat; 9c, a straight chain; 9d, lifting and driving the chain wheel by the guide post; 9e, a guide post lifting driving shaft; 9f, driving shaft bearing seat; 9g, driving a shaft bracket; 9h, driving a speed reducer by a guide post; 9j, a guide post driving motor; 9k, stopping the rod; 9m, lifting the height signaling disc; 9n, signaling teeth; 9p, lifting the probe by the guide post; 9q, lifting a low-stroke limit rod; 9r, lifting a high-stroke limit rod; 9s, a lifting stroke low limit stroke switch; 9t, lifting a high limit travel switch; 10. a material flattening and pressing device; 10a, a drag roller; 10b, dragging a roller suspension arm; 10c, a suspension arm pin shaft; 10d, a drag roller lifting bracket; 10e, lifting the sliding plate; 10f, a drag roller lifting slide rail; 10g, front rotation stopping leaning mountain; 10h, a drawing roller fixing bracket; 10j, a drag roller adjusting screw; 10k, suspending the plate; 10m, a drag roller driven sprocket; 10n, a driving sprocket of the dragging roller; 10p, a drag roller driving motor; 10q, a rear limiting transverse plate; 10r, a rear limit screw; 11. a drag roller scraper; 11a, a scraper bracket; 11b, dragging a roller scraping shaft; 11c, a drag roller scraper shaft bracket; 11d, a scraper pull spring seat; 11e, a tension spring seat long groove; 11f, a scraper tension spring hinge shaft; 11g, a scraper tension spring; 11h, a scraper tension spring adjusting screw; 12. a central discharging mechanism; 12a, a main support pipe; 12b, rotating the drum; 12b1, rotating the outer cylinder; 12b2, rotating the inner cylinder; 12b3, rotating the cylinder bracket; 12c, fixing the cylinder; 12d, a cone bucket; 12e, supporting legs; 12f, a main support tube bearing; 12g, slewing bearing; 12h, a rotary arm mounting seat; 13. a discharge door; 13a, a discharge door bracket; 13b, a discharging door rotating arm; 13c, a hinge seat of the discharging door; 13d, a discharging door speed reducer; 13e, a discharge door motor; 13f, a discharge door driving gear; 13g, gear shaft; 13g1. A discharge door driven gear; 13h, gear shaft bearings; 13j, a gear shaft bearing seat; 13k, driving a screw rod by a discharging door; 13m, fork shaft; 13n, a connecting rod pin shaft; 13p, connecting rod; 13q. Plastic crashproof blocks; 14. a discharge gate slide; 14a, limiting cross bars; 14b, sliding shaft; 14c, sliding shaft rollers; 14d, a slide seat cover plate; 14e, a connecting rod avoiding groove; 15. a rotary drum aligning mechanism; 15a, aligning idler wheels; 15b, aligning the roller shaft; 15c, aligning the roller seat; 15d, rotating the drum aligning slide seat; 15e, rotating the drum aligning screw; 16. breaking up the arch breaking mechanism; 16a, breaking up an arch breaking motor; 16b, breaking up arch shafts; 16c, breaking up the arch teeth.

Detailed Description

As shown in fig. 1 to 4, the material distributing and discharging device of the circular fermentation machine comprises a circular fermentation bed 2 positioned at the lower part of a circular fermentation tank 1, the circular fermentation bed 2 and the circular fermentation tank 1 are connected into a whole, a fermentation machine discharging cavity 1a is arranged below the circular fermentation bed 2, a fermentation machine discharging hole 1b is arranged on the circumference of the lower part of the circular fermentation tank 1, the fermentation machine discharging hole 1b is communicated with the fermentation machine discharging cavity 1a through a discharging channel extending along the radial direction, a central discharging mechanism 12 is arranged in the fermentation machine discharging cavity 1a, the central discharging mechanism 12 penetrates through a central hole of the circular fermentation bed 2 and extends upwards to the middle part of the height direction of the circular fermentation tank 1, a central feeding pipe 3a is arranged along the axis of the circular fermentation tank 1, the lower end of the central feeding pipe 3a is connected with a feeding chute 3b which bends to one side and can rotate, an annular chain rail 4 is fixedly arranged on the inner wall of the middle part of the height direction of the circular fermentation tank 1, a rotary arm 5 extending along the radial direction horizontally is arranged at the top of the central discharging mechanism 12, the outer end of the rotary arm 5 is supported on the top surface of the annular chain rail 4 and a material distributing auger 7 is arranged at the rear side of the rotary arm 5; an auger baffle 7d extending along the whole length direction of the auger is arranged at the rear side of the horizontal material distribution and discharge auger 7; the part of the central discharging mechanism 12 above the circular fermentation bed 2 is provided with a discharging door 13 which rotates along with the rotary arm 5, and the discharging door 13 is in butt joint with the inner end head of the horizontal distribution discharging auger 7; the lower end of the feeding chute 3b is butted with the inner end head of the horizontal distributing and discharging auger 7.

When the cloth is distributed, a discharging door 13 on the central discharging mechanism 12 is closed; the inoculated and mixed materials to be fermented fall into the inner end head of the horizontal material distribution and discharge auger 7 from the central feeding pipe 3a and the feeding inclined chute 3b, the horizontal material distribution and discharge auger 7 rotates positively, and simultaneously the outer end head of the rotary arm 5 rotates around the axis of the central discharging mechanism 12 to drive the horizontal material distribution and discharge auger 7 to revolve, the auger baffle 7d limits the materials in the horizontal material distribution and discharge auger 7, the materials are continuously conveyed from the central area to the peripheral area, and the whole circular fermentation bed 2 is fully distributed along with the revolution. After the material distribution is completed, the inner cavity of the cylindrical fermentation box 1 is in a closed state, so that the material enters a near anaerobic fermentation stage; after fermentation is completed, a discharging door 13 on the central discharging mechanism 12 is opened; the horizontal material distributing and discharging auger 7 rotates reversely, meanwhile, the rotary arm 5 drives the horizontal material distributing and discharging auger 7 to revolve, the auger baffle 7d still limits materials in the horizontal material distributing and discharging auger 7, the materials are continuously conveyed to the discharging door 13 from the peripheral area and discharged through the central discharging mechanism 12, the discharged fermented materials are conveyed to the next working section through other conveying equipment, and the materials on the whole circular fermentation bed 2 can be discharged completely along with the revolution of the horizontal material distributing and discharging auger 7.

The large-diameter cylindrical fermentation box 1 is adopted, so that high-equipment and intensive arrangement is realized, the fermentation environment is good, sealing and isolation are realized between the fermentation environment and the external environment, the fermentation environment is effectively controlled, and the near anaerobic fermentation condition is realized. Stainless steel lining plates can be arranged at the positions, such as the inner wall of the cylinder fermentation tank 1 and the top surface of the circular fermentation bed 2, which are contacted with materials, so that the cylinder fermentation tank 1 is effectively protected, acidic substances generated in the fermentation process of the meal are prevented from corroding equipment, and the service life of the equipment is prolonged. The high-material-layer deep fermentation of 2000-2500 mm can be realized, macromolecule substances such as anti-nutritional factors, polysaccharides, proteins, fat and the like contained in the meal are deeply degraded, more organic acids, soluble polypeptides and other small molecule substances are generated, high-quality products are obtained, and the added value of the products is improved. The heat insulation material is arranged on the periphery of the cylinder fermentation box 1, so that heat dissipation of the cylinder fermentation box 1 is reduced, and the fermentation speed is accelerated. For viscous materials subjected to deep fermentation, the horizontal material distribution and discharge auger 7 can avoid extruding the materials, and smoothly outputs the materials to a fermentation tank to enter the next working section. By means of the highly-automatic equipment integrated in the cylindrical fermentation tank 1, programmed automatic operation can be realized, energy consumption is low, manual labor intensity is reduced, and production efficiency is improved.

As shown in fig. 5 and 6, a rotary arm motor 5a, a rotary arm speed reducer 5b and a rotary arm driving sprocket 5d are installed in an inner cavity of the outer end of the rotary arm 5, the rotary arm driving sprocket 5d is meshed with teeth on the circumference of the annular chain track 4, the center of the rotary arm driving sprocket 5d is installed on a rotary arm sprocket shaft 5c, the rotary arm sprocket shaft 5c is positioned at the output end of the rotary arm speed reducer 5b, and the rotary arm speed reducer 5b is driven by the rotary arm motor 5 a; the front side and the rear side of the outer end head of the rotary arm 5 are respectively fixedly connected with a rotary arm travelling mechanism 6, a rotary arm travelling wheel shaft 6a is arranged between two side wallboards of the rotary arm travelling mechanism 6, a rotary arm travelling wheel 6b is arranged in the middle of the rotary arm travelling wheel shaft 6a through an angular contact ball bearing 6c, and the lower end of the rotary arm travelling wheel 6b is supported on the top surface of the annular chain rail 4; the two ends of the revolving arm travelling wheel shaft 6a are respectively provided with a joint bearing 6d, the joint bearings 6d are respectively positioned in joint bearing seats, the joint bearing seats positioned at the outer side are fixed on a wallboard of the revolving arm travelling mechanism 6, the joint bearing seats positioned at the inner side are sliding joint bearing seats 6e, the upper end and the lower end of the sliding joint bearing seats 6e are respectively fixed on horizontal slide ways 6f, the two horizontal slide ways 6f are respectively fixed on the wallboard of the revolving arm travelling mechanism 6, one ends of the two horizontal slide ways 6f are respectively fixed with a vertical adjusting block 6g, the middle part of the vertical adjusting block 6g is screwed with a revolving arm travelling wheel adjusting screw 6h, and the end heads of the revolving arm travelling wheel adjusting screws 6h are abutted against the front side or the rear side of the sliding joint bearing seats 6 e; one side of the rotary arm driving sprocket 5d is provided with a walking tooth reading sensor, and a top cover of one rotary arm travelling mechanism 6 is provided with a walking return-to-zero sensor 6j.

According to the invention, the rotary arm motor 5a, the rotary arm speed reducer 5b and the rotary arm driving sprocket 5d are arranged in the inner cavity of the rotary arm 5, so that the space is greatly saved, the rotary arm motor 5a drives the rotary arm driving sprocket 5d to rotate through the rotary arm speed reducer 5b, and the rotary arm driving sprocket 5d advances along the sprocket on the circumference of the annular chain track 4, thereby driving the rotary arm 5 to revolve; the weight of the outer end of the rotary arm 5 is supported on the top surface of the annular caterpillar 4 through rotary arm travelling mechanisms 6 on two sides of the rotary arm 5.

The rotary arm travelling wheel 6b freely rolls on the rotary arm travelling wheel shaft 6a through the angular contact ball bearing 6c, and the knuckle bearings 6d at the two ends of the rotary arm travelling wheel shaft 6a can play a role in aligning. When the axis of the rotary arm traveling wheel shaft 6a cannot vertically point to the axis of the circular fermenting bed 2, the rotary arm traveling wheel 6b cannot guarantee to advance along the tangential direction of the annular chain rail 4, and a phenomenon of skidding on the annular chain rail 4 will occur in operation, so that the rotary arm traveling wheel 6b and the annular chain rail 4 are worn out prematurely, and vibration is caused in operation of the rotary arm 5. At this time, the rotary arm travelling wheel adjusting screw 6h screwed in the vertical adjusting block 6g is rotated, so that the sliding joint bearing seat 6e positioned on the inner end surface of the rotary arm travelling mechanism 6 advances or retreats along the horizontal slideway 6f, the axis of the rotary arm travelling wheel shaft 6a is ensured to vertically point to the axis of the circular fermentation bed 2, and the rotary arm travelling wheel 6b is ensured to advance along the tangential direction of the annular chain rail 4, so that the abrasion is reduced and the occurrence of vibration is avoided.

The walking tooth reading sensor counts the number of teeth rotated by the rotary arm driving sprocket 5d to determine whether the rotary arm 5 has revolved for one circle; every time the walk zeroing sensor 6j detects that the swing arm 5 has passed the same position, i.e. has revolved for one revolution, the walk tooth reading sensor restarts counting so as to avoid accumulating errors.

As shown in fig. 7 to 9, an auger driving motor 7b is arranged above the outer end of the horizontal cloth unloading auger 7, the auger driving motor 7b is fixed on a conveying auger frame 7a, the top of the conveying auger frame 7a is connected with two guide posts 9 which extend upwards and are parallel to each other, the upper ends of the two guide posts 9 are connected with each other through a guide post connecting beam 9a, the middle parts of the two guide posts 9 are respectively clamped in a guide post slide seat 9b and can slide up and down along the guide post slide seat 9b, and the front sides of the two guide post slide seats 9b are respectively fixedly connected with a rotary arm 5; the front side surfaces of the two guide posts 9 are respectively provided with a straight chain 9c extending along the axial direction of the guide posts, the two straight chains 9c are respectively meshed with guide post lifting driving chain wheels 9d, the two guide post lifting driving chain wheels 9d are respectively arranged at two ends of a guide post lifting driving shaft 9e, two ends of the guide post lifting driving shaft 9e are respectively supported in driving shaft bearing seats 9f, the driving shaft bearing seats 9f are respectively fixed on driving shaft brackets 9g, and the front ends of the driving shaft brackets 9g are respectively welded on the rear side surfaces of the rotary arms 5; the middle part of the guide pillar lifting driving shaft 9e is connected with the output end of a guide pillar driving speed reducer 9h, and the input end of the guide pillar driving speed reducer 9h is connected with a guide pillar driving motor 9 j; the top of the guide pillar driving speed reducer 9h is fixedly connected with a stop rod 9k, and the stop rod 9k is fixedly connected with the rotary arm 5.

During material distribution, the auger driving motor 7b drives the horizontal material distribution and discharge auger 7 to rotate forwards. During discharging, the auger driving motor 7b drives the horizontal material distribution discharging auger 7 to reversely rotate, after the horizontal material distribution discharging auger 7 revolves along the rotary arm 5 for a circle to discharge the top material completely, the guide pillar driving motor 9j drives the guide pillar lifting driving shaft 9e to rotate through the guide pillar driving speed reducer 9h, the stop rod 9k is fixedly connected to the rotary arm 5 to prevent the guide pillar driving speed reducer 9h from rotating, the guide pillar lifting driving chain wheels 9d at two ends of the guide pillar lifting driving shaft 9e drive the straight chain 9c to move downwards for a distance, and the guide pillar 9 moves downwards along the guide pillar sliding seat 9b to drive the horizontal material distribution discharging auger 7 to descend to the next discharging section, then reversely rotates again and revolves along the rotary arm 5 for a circle, and then the height is continuously lowered until the material on the circular fermentation bed 2 is discharged completely. According to the invention, a layered discharging mode is adopted, and 2-5 layers of discharging materials are selected according to the physical properties of the fermented materials, so that the loading height of the circular fermentation bed 2 can be increased, and the yield of the fermented materials is greatly increased.

A lifting height signaling disc 9m is fixed in the middle of the guide pillar lifting driving shaft 9e, a plurality of signaling teeth 9n are uniformly distributed on the circumference of the lifting height signaling disc 9m, and a guide pillar lifting probe 9p for detecting the signaling teeth 9n is arranged on one side of the lifting height signaling disc 9 m; the upper part of the guide post 9 is provided with a lifting stroke low limit rod 9q, and the lower part of the guide post 9 is provided with a lifting stroke high limit rod 9r; the upper part of the guide pillar sliding seat 9b is provided with a lifting travel low limit travel switch 9s, and the lower part of the guide pillar sliding seat 9b is provided with a lifting travel high limit travel switch 9t; the contacts of the lifting travel low limit travel switch 9s and the lifting travel high limit travel switch 9t extend between the lifting travel low limit rod 9q and the lifting travel high limit rod 9 r. When the guide pillar lifting driving shaft 9e drives the guide pillar 9 and the horizontal cloth unloading auger 7 to lift, the lifting height signaling disc 9m synchronously rotates along with the guide pillar lifting driving shaft 9e, the number of the signaling teeth 9n passing through the detection of the guide pillar lifting probe 9p obtains the rotation angles of the lifting height signaling disc 9m and the guide pillar lifting driving shaft 9e, and the control system can accurately control the lifting height of the horizontal cloth unloading auger 7 according to the rotation angle of the guide pillar lifting driving shaft 9 e. When the horizontal material distribution and discharge auger 7 is lifted to the highest limit position, the lifting travel high limit rod 9r touches a contact of the lifting travel high limit travel switch 9t, and the guide pillar driving motor 9j is powered off and braked; when the horizontal material distribution and discharge auger 7 descends to the lowest limit position, the lifting travel low limit rod 9q touches the contact of the lifting travel low limit travel switch 9s, and the guide pillar driving motor 9j is powered off and braked.

The inner end head of the auger stop plate 7d is connected with a transition stop plate 7f extending towards the discharging door direction of the rotary outer barrel 12b1, the inner end head of the transition stop plate 7f is connected with an arc-shaped wear plate 7g extending vertically, and the arc-shaped wear plate 7g is attached to a rear side door frame of the discharging door 13; the upper portion of the transition baffle 7f is connected with a feeding containment plate 7h extending upwards, and the feeding containment plate 7h surrounds the periphery of the lower end of the feeding chute 3 b. When the auger stop plate 7d is lifted along with the horizontal material distribution and discharge auger 7, the arc-shaped wear-resisting plate 7g is attached to the rear side door frame of the discharge door 13 and slides up and down, and the arc-shaped wear-resisting plate and the transition stop plate 7f jointly ensure that no material leakage occurs at the position. When the horizontal distribution discharging auger 7 goes up and down, the upward extending feeding containment plate 7h can ensure that the materials at the outlet of the feeding chute 3b all enter the inner end head of the horizontal distribution discharging auger 7, ensure smooth proceeding along the radial outer periphery conveying, and avoid overhigh material layer in the central area caused by material leakage.

Fig. 9 shows another embodiment of a horizontal material-distributing and discharging auger 7, wherein an auger shaft driven sprocket is mounted on an auger shaft of the horizontal material-distributing and discharging auger 7, the auger shaft driven sprocket is in transmission connection with an auger shaft driving sprocket through a chain, the auger shaft driving sprocket is mounted on an output shaft of an auger driving motor 7b, and the auger shaft driving sprocket, the auger shaft driven sprocket and the chain thereof are enclosed in a chain housing 7 c; the front of the chain housing 7c is provided with a cutting rod 8, the cross section of the cutting rod 8 is provided with a tip pointing forward, the upper end of the cutting rod 8 is fixedly connected to the conveying auger frame 7a, and the lower end of the cutting rod 8 is welded with a cutting shovel 8a parallel to the circular fermentation bed 2.

The auger driving motor 7b drives the auger shaft driven sprocket to rotate through the auger shaft driving sprocket and the chain, the auger shaft driven sprocket drives the horizontal cloth discharging auger 7 to rotate, the auger shaft driving sprocket, the auger shaft driven sprocket, the chain and the chain housing 7c can be positioned at one end of the horizontal cloth discharging auger 7 and can also be positioned at a position close to the end part of the horizontal cloth discharging auger 7, when the chain housing 7c is positioned in a spiral blade of the horizontal cloth discharging auger 7, the spiral blade needs to be cut off due to avoiding interference, when the horizontal cloth discharging auger 7 revolves along with the revolving arm 5, materials positioned in front of the chain housing 7c are extruded by the chain housing 7c to be easily agglomerated, the tip part of the cutting rod 8 can scratch the agglomerated viscous materials, so that the agglomerated viscous materials enter the horizontal cloth discharging auger 7 in a proper state and are output, and the discharging is smoother; when the material is discharged to the bottommost layer, the cutting shovel 8a can scoop up the material adhered to the circular fermentation bed 2, so that the material residue at the position is avoided.

The scraping blade 7e is arranged in the whole length direction of the lower edge of the auger stop plate 7d, so that the residual material quantity in the fermentation tank can be effectively reduced, the loss of a fermentation viscous material conveying link is reduced, and the product yield is improved.

As shown in fig. 10 to 15, the central discharging mechanism 12 comprises a main supporting pipe 12a, a rotary cylinder 12b, a fixed cylinder 12c and a cone hopper 12d which are coaxial, wherein the fixed cylinder 12c is positioned at the center of the circular fermentation bed 2, the top of the fixed cylinder 12c is flush with the top surface of the circular fermentation bed 2, the bottom of the fixed cylinder 12c is supported at the bottom of the cylindrical fermentation tank 1 through a supporting leg 12e, and the cone hopper 12d is connected below a discharging hole of the fixed cylinder 12 c; the lower end of the main support pipe 12a is supported at the center of the fixed cylinder 12c, the upper end of the main support pipe 12a is connected with a slewing bearing 12g through a main support pipe bearing 12f, a slewing arm mounting seat 12h is fixedly connected above the slewing bearing 12g, and the central end of the slewing arm 5 is fixed on the slewing arm mounting seat 12 h; the rotary cylinder 12b comprises a rotary outer cylinder 12b1 and a rotary inner cylinder 12b2 which are connected into a whole, the top of an annular discharging cavity between the rotary outer cylinder 12b1 and the rotary inner cylinder 12b2 is closed, the lower port of the annular discharging cavity is in butt joint with the upper port of the fixed cylinder 12c, and the discharging door 13 is positioned on the circumference of the rotary outer cylinder 12b1 and extends along the full height direction of the rotary outer cylinder 12b 1; the upper part of the rotary inner cylinder 12b2 is fixedly connected with the circumference of the slewing bearing 12g, and the lower part of the rotary inner cylinder 12b2 is rotatably supported on the lower periphery of the main support pipe 12a through a rotary cylinder aligning mechanism 15; the rotary drum aligning mechanism 15 comprises aligning rollers 15a symmetrically attached to the periphery of the lower part of the main supporting pipe 12a, wherein each aligning roller 15a is respectively arranged on an aligning roller seat 15c through an aligning roller shaft 15b, and each aligning roller seat 15c is respectively arranged on a rotary drum aligning sliding seat 15d and can slide along the radial direction of the rotary inner barrel 12b 2; the outer end of the rotary drum aligning slide seat 15d is connected with a rotary drum aligning screw 15e in a rotary way, and the inner end of the rotary drum aligning screw 15e is abutted against the outer end face of the aligning roller seat 15 c.

The center end of the rotary arm 5 is supported on a rotary support 12g through a rotary arm mounting seat 12h, the rotary support 12g can rotate along with the rotary arm 5 at the upper end of a main support pipe 12a, the upper part of a rotary inner cylinder 12b2 is fixedly connected with the circumference of the rotary support 12g, so that the whole rotary cylinder 12b also rotates along with the rotary arm 5, and the main support pipe 12a bears the weight of the rotary arm 5 and the rotary cylinder 12 b. The rotation of the rotary drum centering screw 15e can translate the centering roller seat 15c on the rotary drum centering slide seat 15d, the distance between the centering roller 15a and the axis of the main support pipe 12a can be adjusted, and the coaxial line of the rotary drum 12b, the main support pipe 12a and the slewing bearing 12g can be ensured by adjusting the positions of the centering roller 15a on four phases. During discharging, a discharging door 13 on the rotary outer cylinder 12b1 is opened, and the material enters an annular discharging cavity between the rotary outer cylinder 12b1 and the rotary inner cylinder 12b2, then falls into the fixed cylinder 12c downwards and flows out of the cone hopper 12 d.

As shown in fig. 10, the cone hopper 12d is provided with a breaking arch mechanism 16, the breaking arch mechanism 16 includes a breaking arch shaft 16b extending radially along the cone hopper 12d, a plurality of breaking arch teeth 16c are distributed on the breaking arch shaft 16b in the axial direction and the circumferential direction, and one end of the breaking arch shaft 16b is connected to an output shaft of the breaking arch motor 16 a. The viscous material is easy to bridge and arch in the cone hopper 12d, the breaking arch motor 16a is started to drive the breaking arch shaft 16b to rotate, and the breaking arch teeth 16c on the breaking arch shaft 16b break up the bridged and arched material, so that the material can smoothly fall down.

As shown in fig. 11 to 15, the upper and lower ends of the back surface of the discharge door 13 are respectively connected with a horizontally extending discharge door rotating arm 13b, the other ends of the discharge door rotating arms 13b are respectively hinged on a discharge door hinge seat 13c through hinges, and the discharge door hinge seat 13c is respectively fixed on the inner wall of the rotary outer cylinder 12b 1; a discharge door speed reducer 13d is mounted on a rotary cylinder support 12b3 connected between the rotary outer cylinder 12b1 and the rotary inner cylinder 12b2, the discharge door speed reducer 13d is driven by a discharge door motor 13e, a discharge door driving gear 13f is mounted on an output shaft of the discharge door speed reducer 13d, a gear shaft 13g is arranged below the discharge door driving gear 13f, a discharge door driven gear 13g1 meshed with the discharge door driving gear 13f is arranged on the periphery of the middle part of the gear shaft 13g, gear shaft bearings 13h are respectively mounted on shaft shoulders at two ends of the gear shaft 13g, the gear shaft bearings 13h are respectively mounted in gear shaft bearing seats 13j, and the gear shaft bearing seats 13j are respectively fixed on the rotary cylinder support 12b 3; the gear shaft 13g is a hollow shaft, a discharge door driving screw 13k is screwed in a central screw hole, a fork head shaft 13m is screwed in the center of a large-diameter section at the front end of the discharge door driving screw 13k, a connecting rod 13p is hinged between two fork arms at the front end of the fork head shaft 13m through a connecting rod pin shaft 13n, the front end of the connecting rod 13p is movably connected to a discharge door sliding seat 14, one side of the discharge door sliding seat 14 is fixedly connected to a discharge door bracket 13a, and the discharge door bracket 13a is fixedly connected to the back of the discharge door 13.

The discharge gate motor 13e drives the discharge gate driving gear 13f to rotate through the discharge gate speed reducer 13d, the discharge gate driving gear 13f drives the discharge gate driven gear 13g1 to rotate, the gear shaft 13g is supported in the gear shaft bearing seat 13j to synchronously rotate, and the discharge gate driving screw 13k retracts backwards or extends forwards along the axis of the gear shaft 13g due to the matching of threads; when the discharge door driving screw 13k is retracted rearward, the link 13p is pulled rearward by the fork shaft 13m, the front end of the link 13p pulls the discharge door bracket 13a and the discharge door 13 rearward by the discharge door slider 14, and the discharge door 13 is rotated rearward about the discharge door hinge seat 13c by the discharge door swivel arm 13b, so that the discharge door 13 is opened. Conversely, when the discharge door driving screw 13k extends forward, the connecting rod 13p is pushed forward by the fork shaft 13m, the front end of the connecting rod 13p pushes the discharge door bracket 13a and the discharge door 13 forward by the discharge door sliding seat 14, and the discharge door 13 rotates forward around the discharge door hinge seat 13c by the discharge door rotating arm 13b until the discharge door 13 is closed. According to the invention, the rotation axis of the discharging door 13 is parallel to the axis of the rotary cylinder 12b, the discharging door driving screw 13k stretches along the axis of the discharging door driving screw and the axis is kept motionless, the change of the relative position between the front end of the connecting rod and the discharging door 13 is compensated by the discharging door sliding seat 14, so that the space is greatly saved, the whole discharging door driving device is arranged in a narrow space between the rotary outer cylinder 12b1 and the rotary inner cylinder 12b2, the automatic accurate control of the opening of the discharging door 13 can be realized, the discharging can be controlled according to the actual situation, the structure of the discharging door driving device is compact, the processing cost is low, and the maintenance and the replacement are convenient.

The upper end and the lower end of the rear end face of the discharging door sliding seat 14 are fixedly connected with limiting cross bars 14a which are parallel to each other, a sliding shaft 14b which extends vertically is arranged between the two limiting cross bars 14a, sliding shaft rollers 14c are respectively arranged at the upper end and the lower end of the sliding shaft 14b, the front end of a connecting rod 13p is sleeved in the middle of the sliding shaft 14b, the rear end faces of the two limiting cross bars 14a are covered with a sliding seat cover plate 14d which is parallel to the rear end face of the discharging door sliding seat 14, and a connecting rod avoiding groove 14e for the connecting rod 13p to pass through is arranged on the sliding seat cover plate 14 d; a plastic crashproof block 13q is sleeved at the shaft shoulder of the front end large-diameter section of the discharging door driving screw 13 k. Because of the small space, the axis of the discharge gate driving screw 13k remains motionless, and when the discharge gate 13 is opened and closed, the connection point of the connecting rod 13p and the discharge gate slide seat 14 has not only angular change, but also position change. The upper and lower ends of the sliding shaft 14b are limited between two limiting cross bars 14a, the sliding shaft roller 14c is limited between the discharging door sliding seat 14 and the sliding seat cover plate 14d, when the connecting rod 13p pulls the discharging door 13 backwards, the sliding shaft roller 14c rolls on the sliding seat cover plate 14d, and the sliding shaft 14b moves along the limiting cross bars 14a in a direction away from the discharging door bracket 13 a; when the connecting rod 13p pushes the discharging door 13 forward, the sliding shaft roller 14c pushes against the discharging door sliding seat 14 to roll, the sliding shaft 14b moves along the limit cross rod 14a towards the direction close to the discharging door bracket 13a, and the connecting rod avoiding groove 14e on the sliding seat cover plate 14d provides a space for the position and angle change of the connecting rod 13 p. According to the invention, the sliding friction of the discharging door sliding seat 14 is changed into rolling friction, so that not only is the abrasion reduced, but also the opening and closing of the discharging door 13 are very light and flexible. When the plastic anti-collision block 13q arranged at the front end of the discharge gate driving screw 13k contacts the end face of the gear shaft bearing seat 13j, the discharge gate driving screw 13k reaches the limit position, the discharge gate 13 reaches the maximum opening degree, the plastic anti-collision block 13q avoids the rigid collision between the discharge gate driving screw 13k and the gear shaft bearing seat 13j, and vibration when the discharge gate 13 is opened is reduced.

As shown in fig. 2, fig. 4 and fig. 16 to fig. 18, a leveling and pressing device 10 is mounted on the front side of the rotary arm 5, the leveling and pressing device 10 comprises a dragging roller 10a for leveling a material layer, two shaft ends of the dragging roller 10a are respectively connected to the lower end of a dragging roller suspension arm 10b, the upper end of the dragging roller suspension arm 10b is respectively hinged to a dragging roller lifting bracket 10d through a suspension arm pin shaft 10c, the rear end surface of the dragging roller lifting bracket 10d is respectively connected with a lifting slide plate 10e, the left side and the right side of the lifting slide plate 10e are respectively positioned in a dragging roller lifting slide rail 10f and can slide up and down along the dragging roller lifting slide rail 10f, the dragging roller lifting slide rail 10f is fixed on a dragging roller fixing bracket 10h, the upper end of the dragging roller fixing bracket 10h is fixedly connected to the rear side of the rotary arm 5, the top plate center of the dragging roller lifting bracket 10d is connected with a dragging roller adjusting screw 10j, the upper end of the dragging roller adjusting screw 10j is fixed on a suspension plate 10k through a dragging roller adjusting nut, and the rear side of the suspension plate 10k is welded on the dragging roller fixing bracket 10 h; a drag roller driven sprocket 10m is mounted at one side shaft end of the drag roller 10a, the drag roller driven sprocket 10m is in transmission connection with a drag roller driving sprocket 10n through a chain, the drag roller driving sprocket 10n is mounted on an output shaft of a drag roller driving motor 10p, the drag roller driving motor 10p is mounted on a drag roller driving motor base, and the drag roller driving motor base is fixed on the front end face of a drag roller suspension arm 10 b.

By rotating the drag roller adjusting nut above the suspension plate 10k, the drag roller adjusting screw 10j is lifted or lowered, the lifting slide plate 10e drives the drag roller lifting bracket 10d to slide along the drag roller lifting slide rail 10f, and the drag roller suspension arm 10b drives the drag roller 10a to synchronously lift. When the material is distributed to the top layer, when the material flattening and pressing device 10 revolves along with the rotary arm 5, the dragging roller driving motor 10p drives the dragging roller driven sprocket 10m and the dragging roller 10a to rotate through the dragging roller driving sprocket 10n and the chain, the dragging roller 10a rolls on the surface of the material to scrape the surface of the material layer, so that the height of the material layer on the whole circumference of the fermentation box is consistent, and uniform fermentation of the material is ensured; after the material distribution is completed, the dragging roller 10a can compact the upper layer of material, discharge most of air among material particles, and further create an anaerobic environment for anaerobic microorganism fermentation, so that the quality of fermentation products is ensured.

The rear side of the circumference of the drag roller 10a is provided with a drag roller scraper 11 for cleaning the drag roller 10a, the drag roller scraper 11 is hinged on a drag roller scraper shaft 11b through a scraper bracket 11a, two ends of a drag roller scraper shaft 11b are respectively fixed on a drag roller scraper shaft bracket 11c, and the front ends of the drag roller scraper shaft brackets 11c are respectively welded on the rear end face of a drag roller suspension arm 10 b; the lower part of the scraper bracket 11a is hinged with a scraper tension spring 11g, the upper end of the scraper tension spring 11g is hinged on a scraper tension spring seat 11d, and the scraper tension spring seat 11d is fixedly connected below the drag roller scraper shaft bracket 11 c. The inoculated viscous material is easy to adhere to the drag roller 10a, the tension of the scraper tension spring 11g enables the drag roller scraper 11 to be tightly attached to the rear side of the circumference of the drag roller 10a, and the material adhered to the drag roller 10a is scraped in time, so that the surface of the drag roller 10a is smooth.

A front rotation stopping leaning hill 10g is welded on the front side of the top plate of the dragging roller lifting bracket 10d, and the lower end of the front rotation stopping leaning hill 10g is abutted against the front side of the upper port of the dragging roller suspension arm 10 b; the rear side of the lower end of the dragging roller fixing support is fixedly provided with a rear limiting transverse plate 10q, the middle part of the rear limiting transverse plate 10q is screwed with a rear limiting screw rod 10r extending forwards, and the end head of the rear limiting screw rod 10r points to the rear end face of the dragging roller suspension arm 10 b. The front rotation stopping leaning hill 10g is abutted against the front side of the upper port of the dragging roller hanging arm 10b, so that the dragging roller hanging arm 10b can be prevented from rotating forwards, and when the dragging roller 10a rolls on the surface of a material layer to encounter a large obstruction, the dragging roller hanging arm 10b can swing backwards to avoid, and the overlarge load is prevented from being applied to the revolution of the main beam 5; the rear limit screw 10r controls the backward swing amplitude of the drag roller suspension arm 10b, prevents the backward swing amplitude of the drag roller 10a from being too large, reduces the pressing force of the drag roller 10a on materials, and influences the material leveling effect.

The scraper pull spring seat 11d is provided with a pull spring seat long groove 11e extending along the front-back direction, a scraper pull spring hinge shaft 11f capable of moving along the pull spring seat long groove 11e is inserted in the pull spring seat long groove 11e, the upper end of the scraper pull spring 11g is hinged on the scraper pull spring hinge shaft 11f, and the rear end of the scraper pull spring seat 11d is screwed with a scraper pull spring adjusting screw 11h for adjusting the position of the scraper pull spring hinge shaft 11 f. By rotating the blade tension spring adjusting screw 11h, the adjusting blade tension spring hinge shaft 11f can be moved back and forth along the tension spring seat long groove 11e in the blade tension spring seat 11d to adjust the tension of the blade tension spring 11 g.

The foregoing description is only of a preferred embodiment of the invention and is not intended to limit the scope of the invention. In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention. The technical features of the present invention that are not described may be implemented by or using the prior art, and are not described herein.

Claims (11)

1. The utility model provides a distributing and unloading device of circular fermentation machine, includes the circular fermentation bed that is located drum fermentation case lower part, circular fermentation bed links as an organic wholely with drum fermentation case, the below of circular fermentation bed is equipped with the fermentation machine discharge chamber, be equipped with the fermentation machine discharge gate on the circumference of drum fermentation case lower part, the fermentation machine discharge gate through the discharge channel that extends along radial with the fermentation machine discharge chamber communicates with each other, install central discharge mechanism in the fermentation machine discharge chamber, central discharge mechanism passes the centre bore of circular fermentation bed and upwards extends to drum fermentation case direction of height's middle part, is equipped with central inlet pipe along the axis of drum fermentation case, the lower extreme of central inlet pipe is connected with to the crooked and rotatable feeding chute of one side, its characterized in that: the middle inner wall of the cylindrical fermentation box in the height direction is fixedly provided with an annular chain rail, the top of the central discharging mechanism is provided with a rotary arm extending horizontally along the radial direction, the outer end head of the rotary arm is supported on the top surface of the annular chain rail and can rotate around the axis of the circular fermentation bed, and the rear side of the rotary arm is provided with a horizontal material distribution and discharge auger; an auger baffle plate extending along the whole length direction of the auger is arranged at the rear side of the horizontal material distribution and discharge auger; a discharging door which rotates along with the rotary arm is arranged at the part of the central discharging mechanism above the circular fermentation bed, and the discharging door is in butt joint with the inner end head of the horizontal distribution discharging auger; the lower end of the feeding inclined chute is butted with the inner end head of the horizontal material distribution and discharge auger;

The central discharging mechanism comprises a coaxial main supporting pipe, a rotary cylinder, a fixed cylinder and a cone bucket, the fixed cylinder is positioned in the center of the circular fermentation bed, the top of the fixed cylinder is level with the top surface of the circular fermentation bed, the bottom of the fixed cylinder is supported at the bottom of the cylindrical fermentation tank through supporting legs, and the cone bucket is connected below a discharging hole of the fixed cylinder; the lower end of the main support pipe is supported at the center of the fixed cylinder, the upper end of the main support pipe is connected with a slewing bearing through a main support pipe bearing, a rotary arm mounting seat is fixedly connected above the slewing bearing, and the center end of the rotary arm is fixed on the rotary arm mounting seat; the rotary cylinder comprises a rotary outer cylinder and a rotary inner cylinder which are connected into a whole, the top of an annular discharging cavity between the rotary outer cylinder and the rotary inner cylinder is closed, the lower port of the annular discharging cavity is in butt joint with the upper port of the fixed cylinder, and the discharging door is positioned on the circumference of the rotary outer cylinder and extends along the full height direction of the rotary outer cylinder; the upper part of the rotary inner cylinder is fixedly connected with the circumference of the slewing bearing, and the lower part of the rotary inner cylinder is rotatably supported on the periphery of the lower part of the main supporting pipe through a rotary cylinder aligning mechanism; the rotary drum aligning mechanism comprises aligning rollers symmetrically attached to the periphery of the lower part of the main supporting pipe, the aligning rollers are respectively arranged on aligning roller seats through aligning roller shafts, and the aligning roller seats are respectively arranged on rotary drum aligning sliding seats and can slide along the radial direction of the rotary inner drum; the outer end of the rotary cylinder aligning sliding seat is connected with a rotary cylinder aligning screw in a screwed mode, and the inner end head of the rotary cylinder aligning screw is propped against the outer end face of the aligning roller seat;

The upper end and the lower end of the back surface of the discharging door are respectively connected with a discharging door rotating arm which extends horizontally, the other end of the discharging door rotating arm is respectively hinged on a discharging door hinge seat through a hinge, and the discharging door hinge seat is respectively fixed on the inner wall of the rotary outer cylinder; a discharge door speed reducer is arranged on a rotary cylinder support connected between the rotary outer cylinder and the rotary inner cylinder, the discharge door speed reducer is driven by a discharge door motor, a discharge door driving gear is arranged on an output shaft of the discharge door speed reducer, a gear shaft is arranged below the discharge door driving gear, a discharge door driven gear meshed with the discharge door driving gear is arranged on the periphery of the middle of the gear shaft, gear shaft bearings are respectively arranged at shaft shoulders at two ends of the gear shaft, the gear shaft bearings are respectively arranged in gear shaft bearing seats, and the gear shaft bearing seats are respectively fixed on the rotary cylinder support; the gear shaft is a hollow shaft, a discharging door driving screw is screwed in a central screw hole, a fork head shaft is screwed in the center of a front end large-diameter section of the discharging door driving screw, a connecting rod is hinged between two fork arms at the front end of the fork head shaft through a connecting rod pin shaft, the front end of the connecting rod is movably connected to a discharging door sliding seat, one side of the discharging door sliding seat is fixedly connected to a discharging door support, and the discharging door support is fixedly connected to the back of a discharging door.

2. The cloth discharge device of a circular fermenter according to claim 1, wherein: an auger driving motor is arranged above the outer end of the horizontal material distribution and unloading auger, the auger driving motor is fixed on a conveying auger frame, the top of the conveying auger frame is connected with two guide posts which extend upwards and are parallel to each other, the upper ends of the two guide posts are connected with each other through a guide post connecting beam, the middle parts of the two guide posts are respectively clamped in a guide post sliding seat and can slide up and down along the guide post sliding seat, and the front sides of the two guide post sliding seats are respectively fixedly connected to the rotary arm; the front side surfaces of the two guide posts are respectively provided with a linear chain extending along the axial direction of the guide posts, the two linear chain is respectively meshed with a guide post lifting driving sprocket, the two guide post lifting driving sprockets are respectively arranged at two ends of a guide post lifting driving shaft, the two ends of the guide post lifting driving shaft are respectively supported in driving shaft bearing seats, the driving shaft bearing seats are respectively fixed on driving shaft brackets, and the front ends of the driving shaft brackets are respectively welded at the rear side surfaces of the rotary arms; the middle part of the guide post lifting driving shaft is connected with the output end of the guide post driving speed reducer, and the input end of the guide post driving speed reducer is connected with the guide post driving motor; the top fixedly connected with of guide pillar drive speed reducer ends the bull stick, end the bull stick with revolving arm fixed connection.

3. The cloth discharge device of a circular fermenter according to claim 2, wherein: the middle part of the guide post lifting driving shaft is fixed with a lifting height signaling disc, a plurality of signaling teeth are uniformly distributed on the circumference of the lifting height signaling disc, and one side of the lifting height signaling disc is provided with a guide post lifting probe for detecting the signaling teeth; the upper part of the guide post is provided with a lifting stroke low limit rod, and the lower part of the guide post is provided with a lifting stroke high limit rod; the upper part of the guide pillar sliding seat is provided with a lifting travel low limit travel switch, and the lower part of the guide pillar sliding seat is provided with a lifting travel high limit travel switch; and contacts of the lifting travel low limit travel switch and the lifting travel high limit travel switch extend to the position between the lifting travel low limit rod and the lifting travel high limit rod.

4. The cloth discharge device of a circular fermenter according to claim 2, wherein: the auger shaft of the horizontal material distribution and discharge auger is provided with an auger shaft driven sprocket which is in transmission connection with an auger shaft driving sprocket through a chain, the auger shaft driving sprocket is arranged on an output shaft of the auger driving motor, and the auger shaft driving sprocket, the auger shaft driven sprocket and the chain thereof are enclosed in a chain housing; a cutting rod is arranged in front of the chain housing, a tip part pointing forward is arranged on the cross section of the cutting rod, the upper end of the cutting rod is fixedly connected to the conveying auger frame, and a cutting shovel parallel to the circular fermentation bed is welded at the lower end of the cutting rod; the scraping blade is arranged in the whole length direction of the lower edge of the auger striker plate.

5. The cloth discharge device of a circular fermenter according to claim 1, wherein: the front side of the rotary arm is provided with a material flattening and pressing device, the material flattening and pressing device comprises a dragging roller for flattening a material layer, two shaft ends of the dragging roller are respectively connected to the lower end of a dragging roller hanging arm, the upper end of the dragging roller hanging arm is respectively hinged to a dragging roller lifting support through a hanging arm pin shaft, the rear end face of the dragging roller lifting support is respectively connected with a lifting slide plate, the left side and the right side of the lifting slide plate are respectively positioned in the dragging roller lifting slide rail and can slide up and down along the dragging roller lifting slide rail, the dragging roller lifting slide rail is fixed on a dragging roller fixing support, the upper end of the dragging roller fixing support is fixedly connected to the rear side face of the rotary arm, the center of a top plate of the dragging roller lifting support is connected with a dragging roller adjusting screw, the upper end of the dragging roller adjusting screw is fixed on a suspension plate through a dragging roller adjusting nut, and the rear side of the suspension plate is welded on the dragging roller fixing support. The automatic cleaning machine is characterized in that a driven sprocket of the pulling roller is arranged at one side shaft end of the pulling roller, the driven sprocket of the pulling roller is in transmission connection with a driving sprocket of the pulling roller through a chain, the driving sprocket of the pulling roller is arranged on an output shaft of a driving motor of the pulling roller, the driving motor of the pulling roller is arranged on a base of a driving motor of the pulling roller, and the base of the driving motor of the pulling roller is fixed on the front end face of a suspension arm of the pulling roller.

6. The cloth discharge device of a circular fermenter according to claim 5, wherein: the back side of the circumference of the dragging roller is provided with a dragging roller scraper for cleaning the dragging roller, the dragging roller scraper is hinged on a dragging roller scraper shaft through a scraper bracket, two ends of the dragging roller scraper shaft are respectively fixed on a dragging roller scraper shaft bracket, and the front ends of the dragging roller scraper shaft brackets are respectively welded on the back end surfaces of the dragging roller suspension arms; the lower part of the scraper bracket is hinged with a scraper tension spring, the upper end of the scraper tension spring is hinged on a scraper tension spring seat, and the scraper tension spring seat is fixedly connected below the dragging roller scraper shaft bracket.

7. The cloth discharge device of a circular fermenter according to claim 6, wherein: a front rotation stopping leaning hill is welded on the front side of the top plate of the dragging roller lifting support, and the lower end of the front rotation stopping leaning hill is propped against the front side of the upper port of the dragging roller suspension arm; a rear limit transverse plate is fixed at the rear side of the lower end of the pull roll fixing support, a rear limit screw rod extending forwards is screwed at the middle part of the rear limit transverse plate, and the end head of the rear limit screw rod points to the rear end face of the pull roll suspension arm; the scraper tension spring seat is internally provided with a tension spring seat long groove extending along the front-back direction, a scraper tension spring hinge shaft capable of moving along the tension spring seat long groove is inserted in the tension spring seat long groove, the upper end of the scraper tension spring is hinged to the scraper tension spring hinge shaft, and the rear end of the scraper tension spring seat is rotatably connected with a scraper tension spring adjusting screw for adjusting the position of the scraper tension spring hinge shaft.

8. The cloth discharge device of a circular fermenter according to claim 1, wherein: the cone hopper is internally provided with a breaking arch mechanism, the breaking arch mechanism comprises a breaking arch shaft extending along the radial direction of the cone hopper, a plurality of breaking arch teeth are distributed in the axial direction and the circumferential direction of the breaking arch shaft, and one end of the breaking arch shaft is connected with an output shaft of a breaking arch motor.

9. The cloth discharge device of a circular fermenter according to claim 1, wherein: the upper end and the lower end of the rear end face of the discharging door sliding seat are fixedly connected with limiting cross bars which are parallel to each other, a sliding shaft which extends vertically is arranged between the two limiting cross bars, sliding shaft rollers are respectively arranged at the upper end and the lower end of the sliding shaft, the front end of a connecting rod is sleeved in the middle of the sliding shaft, the rear end faces of the two limiting cross bars are covered with a sliding seat cover plate which is parallel to the rear end face of the discharging door sliding seat, and a connecting rod avoiding groove for the connecting rod to pass through is formed in the sliding seat cover plate; and a plastic anti-collision block is sleeved at the shaft shoulder of the large-diameter section at the front end of the discharge door driving screw.

10. The cloth discharge device of a circular fermenter according to claim 1, wherein: the inner cavity of the outer end head of the rotary arm is provided with a rotary arm motor, a rotary arm speed reducer and a rotary arm driving sprocket, the rotary arm driving sprocket is meshed with the sprocket on the circumference of the annular chain rail, the center of the rotary arm driving sprocket is arranged on an output shaft of the rotary arm speed reducer, and the rotary arm speed reducer is driven by the rotary arm motor; the front side and the rear side of the outer end head of the rotary arm are respectively and fixedly connected with a rotary arm travelling mechanism, a rotary arm travelling wheel shaft is arranged between two side wallboards of the rotary arm travelling mechanism, the rotary arm travelling wheel is arranged in the middle of the rotary arm travelling wheel shaft through an angular contact ball bearing, and the lower end of the rotary arm travelling wheel is supported on the top surface of the annular chain rail; the two ends of the traveling wheel shaft of the rotary arm are respectively provided with a joint bearing, the joint bearings are respectively positioned in joint bearing seats, the joint bearing seats positioned at the outer side are fixed on the wallboard of the traveling mechanism of the rotary arm, the joint bearing seats positioned at the inner side are sliding joint bearing seats, the upper end and the lower end of each sliding joint bearing seat are respectively fixed on horizontal slide ways, the two horizontal slide ways are respectively fixed on the wallboard of the traveling mechanism of the rotary arm, one end of each horizontal slide way is fixedly provided with a vertical adjusting block, the middle part of each vertical adjusting block is rotatably connected with a traveling wheel adjusting screw of the rotary arm, and the end heads of the traveling wheel adjusting screws of the rotary arm are propped against the front side or the rear side of each sliding joint bearing seat; one side of the rotary arm driving chain wheel is provided with a walking tooth reading sensor, and a top cover of one rotary arm travelling mechanism is provided with a walking return-to-zero sensor.

11. The cloth discharge device of a circular fermenter according to claim 1, wherein: the inner end head of the auger stop plate is connected with a transition stop plate extending towards the direction of the discharging door of the rotary outer cylinder, the inner end head of the transition stop plate is connected with an arc-shaped wear-resisting plate extending vertically, and the arc-shaped wear-resisting plate is attached to a rear door frame of the discharging door; the upper portion of transition striker plate is connected with the feeding containment board that upwards extends, the feeding containment board encircles the lower extreme periphery of feeding chute.

Images