CN205409600U - Grain bulking machine is with pressing spiral shell assembly - Google Patents

Abstract

The utility model discloses a grain bulking machine is with pressing spiral shell assembly, including being pipy press for extracting juice spiral shell, wear to be equipped with the screw rod in the press for extracting juice spiral shell, press the spiral shell outer wall and be equipped with spiral propelling movement blade, the pitch of spiral propelling movement blade is reduced by preceding backward gradually, it is equipped with and is used for the buckle structure that is connected with the main shaft of grain bulking machine to press the spiral shell front end, pressing the spiral shell and including a plurality of pipy press for extracting juice spiral shell sections that are, the buckle links together between the adjacent press for extracting juice spiral shell section, it runs through all press for extracting juice spiral shell section threaded connection of all press for extracting juice spiral shell duan bingyu to wear the screw rod. Great moment is transmitted with dismantling, can conveniently assembling into different length and be suitable for to simple structure, the installation of being convenient for.

Description

Grain bulking machine pressing screw assembly

Technical field

This utility model relates to a kind of grain processing apparatus, particularly relates to a kind of grain bulking machine pressing screw assembly.

Background technology

The technology expanding grain obtains increasingly extensive application in recent years, is applied not only to the puffed food that people eat, and is widely used in feed processing technology field.

Puffing technique is that grain is placed in puffing apparatus, heats grain, pressurizes, and making the moisture in grain grain is superheat state, and grain grain itself becomes soft；When sending in arrival certain high pressure, grain are by expanded container, high pressure quickly becomes normal pressure, and at this moment grain intragranular is the moisture instant vaporization of superheat state thus violent explosion occurs, inflatable about 2000 times of hydrone.The huge bulbs of pressure have not only broken up the formalness of grain grain, and broken grain intragranular molecular structure, insoluble long chained starch prescinds into water-soluble short-chain starch, dextrin and sugar, and then the insoluble substance in puffed food decreases, and water-soluble substances increases.

Puffing technique serves diastatic effect, i.e. before food has not been entered into oral cavity, just makes starch there occurs cracking process, and in this sense, bulking equipment is equal to the digestive organs extending people.This has speeded up the human body digestion process to food, improves the digestibility of puffed food.From this angle, puffing technique is a kind of preferably foodstuff processing technology, not only useful to people, and when field of feed, it is also possible to improve the utilization rate of feedstuff.

Existing grain bulking machine pressing screw assembly structure is complicated, mount and dismount the most very inconvenient, and is susceptible to damage after transmission larger torque for a long time, it is impossible to be easily assembled out the pressing screw of different length.

Utility model content

The purpose of this utility model is to provide a kind of simple in construction, be easily installed and dismantle, can be easily assembled into different length and be suitable to transmit the grain bulking machine pressing screw assembly of larger torque.

For achieving the above object, grain bulking machine pressing screw assembly of the present utility model includes pressing screw in a tubular form, is equipped with screw rod in pressing screw, and pressing screw outer wall is provided with spiral pushing blade；The pitch of described spiral pushing blade is gradually reduced by after forward direction；

Pressing screw front end is provided with the buckle structure for being connected with the main shaft of grain bulking machine；Described pressing screw includes some pressing screw sections in a tubular form, snaps connection together between adjacent pressing screw section；Described wear screw rod to run through all pressing screws Duan Bingyu all pressing screws section threaded.

Described buckle structure includes being arranged on the spiral buckle of pressing screw front end and being arranged on the spiral buckle of rear-end of spindle, and the spiral buckle of rear-end of spindle is mutually adapted with the spiral buckle of pressing screw front end.

Described buckle structure includes being arranged on the eye-splice of pressing screw front end and being arranged on the eye-splice of rear-end of spindle, and the eye-splice of rear-end of spindle is mutually adapted with the eye-splice of pressing screw front end.

This utility model has the advantage that

1. the pitch of spiral pushing blade is gradually reduced by after forward direction, it is possible to gradually reduce material at work, promotes the extruding force to material.Pressing screw front end is provided with the buckle structure for being connected with the main shaft of grain bulking machine, it is simple to connect pressing screw and main shaft diametrically so that be suitable between pressing screw and main shaft transmit high torque, is also not easy to damage after long-term work.This attachment structure is also highly convenient for connecting and dismounting.

2. the concrete structure of pressing screw, it is simple to assemble, it is possible to regulate the length (assembled more pressing screw section) of pressing screw as required, be suitable to manufacture the pressing screw of the grain bulking machine being applicable to different model.Wear screw rod and ensure that all pressing screw sections are always positioned on same axis, will not misplace because transmitting moment of torsion between section and section.

Accompanying drawing explanation

Fig. 1 is the structural representation using grain bulking machine of the present utility model；

Fig. 2 is to use grain bulking machine cross-sectional schematic of the present utility model；

Fig. 3 is the enlarged drawing of i.e. pressing screw and main shaft junction at A in Fig. 2；

Fig. 4 is the enlarged drawing in Fig. 2 at B；

Fig. 5 is the enlarged drawing in Fig. 2 at C；

Fig. 6 is to use grain bulking machine perspective view of the present utility model；

Fig. 7 be bearing chamber with belt pulley at partly cut open schematic diagram；

Fig. 8 is of the present utility model partly to cut open schematic diagram；

Fig. 9 is perspective view of the present utility model；

Figure 10 is the decomposition texture schematic diagram that pressing screw uses spiral buckle to be connected with main shaft；

Figure 11 is the decomposition texture schematic diagram that pressing screw uses eye-splice to be connected with main shaft；

Figure 12 is the schematic diagram of the main shaft being provided with front helixseal and rear screw sealing at bearing chamber；

Figure 13 is the structural representation of the heat transfer floor of Y type；

Figure 14 is the top view of Figure 13.

Detailed description of the invention

As shown in Fig. 1 to Figure 14, especially as shown in Fig. 3, Fig. 8 to Figure 11, grain bulking machine pressing screw assembly of the present utility model includes pressing screw 10 in a tubular form, and described pressing screw 10 front end connects the main shaft 22 of grain bulking machine.Being equipped with screw rod 11 in pressing screw 10, pressing screw 10 outer wall is provided with spiral pushing blade 12；The pitch of described spiral pushing blade 12 is gradually reduced by after forward direction, in order to the material that gradually reduces when pushing material, the lifting extruding force to material.Pressing screw 10 front end is provided with the buckle structure for being connected with the main shaft 22 of grain bulking machine.Described pressing screw 10 includes some pressing screw sections in a tubular form, snaps connection together between adjacent pressing screw section；Described wear screw rod 11 to run through all pressing screws Duan Bingyu all pressing screws section threaded.Wear screw rod and ensure that all pressing screw sections are always positioned on same axis, will not misplace because transmitting moment of torsion between section and section.

Buckle structure can optional any one in following two structure:

The most described buckle structure includes being arranged on the spiral buckle of pressing screw 10 front end and being arranged on the spiral buckle of main shaft 22 rear end, and the spiral buckle of rear-end of spindle is mutually adapted with the spiral buckle of pressing screw front end.

The most described buckle structure includes being arranged on the eye-splice of pressing screw front end and being arranged on the eye-splice of rear-end of spindle, and the eye-splice of rear-end of spindle is mutually adapted with the eye-splice of pressing screw front end.

For further illustrating structure of the present utility model, duty and work process, this utility model is further described by the existing visual angle overall from grain bulking machine:

Direction shown in arrow in Fig. 7 is the flow direction of lubricating oil in pipeline at this (overflowing oil pipe and oil return pipe).

As shown in Fig. 1 to Figure 14, using grain bulking machine of the present utility model to include support 1, support 1 is connected by some spaced bracing frames 2 has columnar press chamber 3, press chamber 3 one end to be feed end and the other end is discharge end；The feed end of press chamber 3 is upwards communicated with feed pipe 4, and the top of feed pipe 4 is provided with charging aperture 5；Take press chamber 3 feed end side as (in Fig. 1 and Fig. 2, big belt pulley 6 side is front side of the present utility model) and with press chamber 3 discharge end side as rear side (in Fig. 1 and Fig. 2, discharging boot 8 side is rear side of the present utility model) on front side of it, being provided with motor 9 on front side of support 1, the output shaft of motor 9 is provided with small belt pulley 7.

Small belt pulley 7 is connected by driving belt big belt pulley 6；The inner chamber of press chamber 3 is provided with described pressing screw assembly.Described pressing screw 10 is coaxially set with described main shaft 22 and the two links together by being connected screw rod 23, connects screw rod 23 and is positioned at the axis of main shaft 22 and pressing screw 10 and threadeds with pressing screw 10；

Connect screw rod 23 through main shaft 22 also with there is no the relation threadeded main shaft.Connect screw rod 23 head be crimped on the front end face of main shaft 22.

Press chamber 3 top is fixedly connected with multiple stirring gear stick 13 for stirring material by separation seal after forward direction, and the outer end of each stirring gear stick 13 stretches out press chamber 3 and press chamber 3 is stretched in the inner；With the axially middle part of press chamber 3 as boundary, some stirring gear sticks 13 being positioned at press chamber 3 front portion are provided with steam inlet tube 14, stirring gear stick 13 is stretched out and for connecting the steam pipework of outside in the outer end of steam inlet tube 14, and stirring gear stick 13 the inner is communicated with steam inlet tube 14 and the steam vent 15 of press chamber 3 inner chamber；It is provided with thermometer 16 at least one stirring gear stick 13 of press chamber 3 back segment；Press chamber 3 back segment connects has Pressure gauge 17, Pressure gauge 17 to protrude upward press chamber 3.

Press chamber 3 rear end has been bolted to connection discharging opening 18, discharging opening 18 is in rear big front little toroidal, discharging opening 18 connects has discharging boot 8, discharging boot 8 to be provided with hydraulic cylinder 19, and the front end of hydraulic cylinder piston rod is provided with the expansion control 20 in rear big front little taper type；The front end external diameter of expansion control 20 is more than the front inner diameter of discharging opening 18 less than the front inner diameter of discharging opening 18, the rear end external diameter expanding control 20 and is less than a back end inside diameter for discharging opening 18；Expand control 20 stretch into discharging opening 18 and and the inwall of discharging opening 18 between form the tapping channel 21 of annular.

The centre bore of big belt pulley 6 is bonded with the outer rim of described main shaft 22；Support 1 front end is provided with cooling heat transferring case 24, and the top of cooling heat transferring case 24 is provided with support 25, and main shaft 22 is connected on support 25 by bearing 30 and bearing block 31.

Being descended inclination to be provided with profit dividing plate 26 the most afterwards by front in cooling heat transferring case 24, cooling heat transferring case 24 is divided into oil pocket 34 and water cavity 35 by profit dividing plate 26；The two sides of described profit dividing plate 26 the most uniformly connect the heat transfer floor having some cross sections to be Y type, and heat transfer floor includes the some heat transfer connecting plates 27 being connected on profit dividing plate 26, and the free end of heat transfer connecting plate 27 connects V-shaped heat sink 28；Heat transfer connecting plate 27 is provided with through hole 29；

The front-end and back-end of bearing block 31 are respectively equipped with bearing (ball) cover 32, and former and later two bearing (ball) covers 32, bearing block 31 and main shaft 22 surround the bearing chamber installing described bearing 30, are marked with lubricating oil in bearing chamber；Being connected between bearing chamber with described oil pocket 34 and have spilling oil pipe 33, overflow oil pipe 33 upper end and stretch into bearing chamber the bottom surface higher than bearing chamber, the top of oil pocket 34 is stretched in the lower end overflowing oil pipe 33；The lower ending opening of spilling oil pipe 33 is positioned at the top of a heat transfer connecting plate 27 of top.

Described bearing chamber connects oil return pipe 36, oil return pipe 36 connects scavenge oil pump 37, and the oil inlet pipe 38 of scavenge oil pump 37 extends downwardly into the bottom of described oil pocket 34 and connection has oil filter 39(to preferably employ ferrule oil filter 39, and filter efficiency is high, simple in construction, maintenance is easy)；Being provided with the water inlet 40 for connecting external water inlet pipe bottom described water cavity 35, described water cavity 35 top is provided with the outlet 41 for connecting external outlet pipe.

Be respectively equipped with front helixseal 42 and rear screw on the main shaft 22 in bearing chamber rear and front end portion and seal 43, forward and backward helixseal 42,43 oppositely oriented and all when main shaft 22 rotates in the middle part of bearing chamber direction propelling movement lubricating oil；

Described feed pipe 4 is V-shaped broken pipe, and the tube wall lateral surface of every section of V-shaped feed pipe 4 is equipped with magnetic separation electric magnet 44.

Described press chamber 3 includes some press chamber sections, is linked together by flange arrangement 45, thus be easy to adjust according to actual needs the entire length of press chamber 3 when mounted between adjacent press chamber section.

Feed pipe 4 at magnetic separation electric magnet 44 is provided with residue-removing opening and for closing the clear material baffle plate 46 of described residue-removing opening, and clear material baffle plate 46 is by hinged or be spirally connected or be detachably connected in the way of clamping on feed pipe 4.In Fig. 1, Fig. 2 and Fig. 6, residue-removing opening is all expected that clearly baffle plate 46 blocks.Clear material baffle plate 46 will be opened, by residue-removing opening cleaning absorption ferrum class impurity on feed pipe tube wall during clear material.

During charging, magnetic separation electric magnet 44 is energized, and the ferrum class impurity in material is attracted on electric magnet 44 feed pipe 4.When periodically cleaning is safeguarded, open clear material baffle plate 46, ferrum class impurity is taken out.Absorption fine impurities on feed pipe 4 tube wall is difficult to be removed, and at this moment can close electric magnet 44, make tiny ferrum class impurity no longer adsorb on tube wall, thus convenient taking-up.Be electric magnet 44 power-off the most at the very start, be avoid power-off after adsorb the impurity on feed pipe 4 and fall bottom and pressing screw assembly junction, thus cause being difficult to take out.

Overflow oil pipe 33 upper end and stretch into bearing chamber the bottom surface higher than bearing chamber, so, only the oil level in bearing chamber is higher than when overflowing oil pipe 33, lubricating oil just can overflow in the oil pocket 34 of cooling heat transferring case 24 by overflowing oil pipe 33, ensure that the lubricating oil in bearing chamber has certain liquid level, thus ensure that main shaft 22 and bearing 30 are constantly in the state that lubrication is good, prevent insufficient lubrication, produce phenomenons such as rubbing, overheated.

Magnetic separation electric magnet 44(or permanent magnet), oil filter 39, flange arrangement 45, spiral buckle and eye-splice etc. be routine techniques, concrete structure no longer describes in detail.

It is covered with pulley cover 47, to protect belt gear on described big belt pulley 6 and small belt pulley 7 and driving belt.Described bearing 30 is thrust bearing 30 or pressure bearing 30.Axial force bigger during to adapt to work.

Wherein, the water cavity 35 of cooling heat transferring case 24 can be connected on the water supply line of factory (water supply line that external water inlet pipe the most described previously and external outlet pipe are factory) by its water inlet 40 and outlet 41, water inlet 40 can certainly be made to be connected on the water supply line of factory (water supply line is as external water inlet pipe), and make outlet 41 connect external drainage pipeline (drainage pipeline is as external outlet pipe).Thermometer 16 is used for monitoring operating temperature.The front end external diameter of expansion control 20 is more than the front inner diameter of discharging opening 18 less than the front inner diameter of discharging opening 18, the rear end external diameter expanding control 20 and is less than a back end inside diameter for discharging opening 18；So, expand control 20 and can stretch into flaring discharging opening 18.Regulation expands control 20 and stretches into position before and after discharging opening 18, can be with the width of tapping channel 21.Seeing accompanying drawing 5, the position expanding control 20 is the most forward, and tapping channel 21 is the narrowest, expands the position of control 20 the most rearward, and tapping channel 21 is the widest.Therefore, by position before and after control expansion control 20, the thickness degree after material processes can be controlled.

During use, start motor 9, material (such as grains such as corn and soybeans) is put into by charging aperture, material falls into press chamber 3 along V-shaped feed pipe 4 after turning back, it is being energized when electric magnet 44(works) when, ferrum class impurity in material is adsorbed onto on the tube wall of feed pipe 4 by electric magnet 44, prevents ferrum class impurity from falling into press chamber 3 thus affects crudy.After motor 9 starts, driving pressing screw 10 to rotate by belt transmission, pressing screw 10 drives spiral pushing blade 12 thereon to rotate integrally.

After material falls into press chamber 3, spiral pushing blade 12 promotes material by being front moved rearwards by rotation.Owing to the pitch of spiral pushing blade 12 is gradually reduced by after forward direction, the amount that therefore during spiral pushing material, material is compressed in rotation is gradually increased, and pressure gradually rises, beneficially being smoothed out of puffing process.Material, in moving process, is stirred gear stick 13 when through stirring gear stick 13 and is stopped, thus stirred, make material be distributed more uniform, promote processing quality.

Pressing screw front end is connected with main shaft by buckle structure and connection screw rod, connect screw rod and connect pressing screw and main shaft in the axial direction, buckle structure connects pressing screw and main shaft diametrically so that be suitable between pressing screw and main shaft transmit high torque, is also not easy to damage after long-term work.This attachment structure is also highly convenient for connecting and dismounting.

After motor 9 starts, starting scavenge oil pump 37, the oil in oil pocket 34 is by entering bearing chamber after oil filter 39, oil inlet pipe 38, scavenge oil pump 37 and oil return pipe 36.When the oil level in bearing chamber is higher than when overflowing oil pipe 33, and lubricating oil flows into oil pocket 34 still further below through overflowing oil pipe, and when flowing through profit dividing plate 26, with the water generation heat exchange in water cavity 35 and lowered the temperature.Lubricating oil after cooling is drawn back bearing chamber by scavenge oil pump again, thus in preventing bearing chamber, the high oil temperature of lubricating oil brings harm.

Thermometer 16 and the setting of Pressure gauge 17, it is simple to the temperature and pressure before material is expanded in monitoring work, thus regulate work process more accurately, improve expansion effect.When material is pushed to discharging opening 18 by spiral pushing blade 12, inflated control 20 is stopped, can only enter discharging boot 8 by tapping channel 21.When material enters discharging boot 8, pressure reduces rapidly, moisture instant vaporization in superheat state in material (grain grain) thus there is violent explosion, make material obtain expanded.

Above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still this utility model can be modified or equivalent, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be contained in the middle of right of the present utility model.

Claims (3)

1. grain bulking machine pressing screw assembly, it is characterised in that: including pressing screw in a tubular form, be equipped with screw rod in pressing screw, pressing screw outer wall is provided with spiral pushing blade；The pitch of described spiral pushing blade is gradually reduced by after forward direction；Pressing screw front end is provided with the buckle structure for being connected with the main shaft of grain bulking machine；Described pressing screw includes some pressing screw sections in a tubular form, snaps connection together between adjacent pressing screw section；Described wear screw rod to run through all pressing screws Duan Bingyu all pressing screws section threaded.

Grain bulking machine pressing screw assembly the most according to claim 1, it is characterized in that: described buckle structure includes being arranged on the spiral buckle of pressing screw front end and is arranged on the spiral buckle of rear-end of spindle, and the spiral buckle of rear-end of spindle is mutually adapted with the spiral buckle of pressing screw front end.

Grain bulking machine pressing screw assembly the most according to claim 1, it is characterised in that: described buckle structure includes being arranged on the eye-splice of pressing screw front end and being arranged on the eye-splice of rear-end of spindle, and the eye-splice of rear-end of spindle is mutually adapted with the eye-splice of pressing screw front end.