CN205321183U - Grain bulking machine is with pressing connection structure of spiral shell with main shaft - Google Patents

Abstract

The utility model discloses a grain bulking machine is with pressing connection structure of spiral shell with main shaft, including pressing spiral shell assembly and main shaft, press the spiral shell assembly and 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, press the spiral shell with the setting of main shaft coaxial line and the two link together through connecting screw rod, and connecting screw rod is located the axis department of main shaft and press for extracting juice spiral shell, it is connected with the main shaft through buckle structure 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. The utility model discloses simple structure, the installation and dismantle and be suitable for the great moment of transmission be convenient for also are difficult to behind the long term operation damage.

Description

The attachment structure of grain bulking machine pressing screw and main shaft

Technical field

This utility model relates to a kind of grain processing apparatus, particularly relates to the attachment structure of a kind of grain bulking machine pressing screw and main shaft。

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, grain is heated, pressurizes, and making the moisture in grain grain is superheat state, and grain grain itself becomes soft；When arrive certain high pressure, grain by expanded container in send time, high pressure quickly becomes normal pressure, at this moment grain intragranular be the moisture instant vaporization of superheat state thus there is violent explosion, 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 is prescinded 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, namely when food has not been entered into before 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 desirably foodstuff processing technology, not only that people is useful, and during for field of feed, it is also possible to improve the utilization rate of feedstuff。

The attachment structure structure of existing grain bulking machine pressing screw and main shaft is complicated, mount and dismount all very inconvenient, and is susceptible to damage after transmission larger torque for a long time。

Utility model content

The purpose of this utility model is in that to provide a kind of simple in construction, is easily installed and dismantles and be suitable to the grain bulking machine pressing screw of transmission larger torque and the attachment structure of main shaft。

For achieving the above object, the attachment structure of grain bulking machine pressing screw of the present utility model and main shaft, including pressing screw assembly and main shaft,

Pressing screw assembly 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；

Described pressing screw is coaxially set with described main shaft and the two links together by being connected screw rod, connects screw rod and is positioned at the axis place of main shaft and pressing screw and threadeds with pressing screw；Pressing screw front end is connected with main shaft by buckle structure；

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 screw 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 and the spiral buckle of pressing screw front end are mutually adapted。

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 the eye-splice of rear-end of spindle and pressing screw front end is mutually adapted。

This utility model has the advantage that

1. 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 to transmission high torque between pressing screw and main shaft, 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。

Accompanying drawing explanation

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

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

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

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

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

Fig. 6 uses grain bulking machine perspective view of the present utility model；

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

Fig. 8 be pressing screw assembly partly cut open schematic diagram；

Fig. 9 is the perspective view of pressing screw assembly；

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

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

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

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

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

As shown in Fig. 1 to Figure 14, especially as shown in Fig. 3, Fig. 8 to Figure 11, the attachment structure of grain bulking machine pressing screw of the present utility model and main shaft, including pressing screw assembly and main shaft 22。

Pressing screw assembly includes pressing screw 10 in a tubular form, is equipped with screw rod 11 in pressing screw 10, and 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。

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 place of main shaft 22 and pressing screw 10 and threadeds with pressing screw 10；Pressing screw 10 front end is connected with main shaft 22 by buckle structure；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。

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 screw Duan Bingyu all pressing screws section threaded。

Buckle structure can optional any one in following two structure:

1. 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 and the spiral buckle of pressing screw front end are mutually adapted。

2. 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 the eye-splice of rear-end of spindle and pressing screw front end is mutually adapted。

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:

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 to columnar press chamber 3 by some spaced bracing frames 2, and press chamber 3 one end is 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；With press chamber 3 feed end side for (in Fig. 1 and Fig. 2, big belt pulley 6 side is front side of the present utility model) on front side of it and with press chamber 3 discharge end side for rear side (in Fig. 1 and Fig. 2, discharging boot 8 side is rear side of the present utility model), 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 to big belt pulley 6 by driving belt；The inner chamber of press chamber 3 is provided with described pressing screw assembly。

Press chamber 3 top is fixedly connected with multiple stirring gear stick 13 for stirring material by separation seal after forward direction, and each outer end 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 for 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 is connected to Pressure gauge 17, and Pressure gauge 17 protrudes 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 is connected to discharging boot 8, and discharging boot 8 is 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；Expand the front end external diameter front inner diameter less than discharging opening 18 of control 20, expand and control the rear end external diameter front inner diameter more than discharging opening 18 of 20 back end inside diameter less than 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 connected with the outer rim key 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 provided with profit dividing plate 26 by front upper extremely rear lower inclination 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 are uniformly connected to the heat transfer floor that some cross sections are Y type respectively, 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 is connected to 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 to spilling oil pipe 33 between bearing chamber and described oil pocket 34, 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 is connected to oil return pipe 36, oil return pipe 36 is connected to 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 is connected to oil filter 39(and preferably employs 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。

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

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 between adjacent press chamber section, thus being easy to adjust according to actual needs the entire length of press chamber 3 when mounted。

The feed pipe 4 at magnetic separation electric magnet 44 place 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 during clear material, be adsorbed on the ferrum class impurity on feed pipe tube wall by residue-removing opening cleaning。

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。The fine impurities being adsorbed on feed pipe 4 tube wall is not easily removed, and at this moment can close electric magnet 44, makes tiny ferrum class impurity no longer be adsorbed on tube wall, takes out thus convenient。Why not being electric magnet 44 power-off at the very start, being that the impurity being adsorbed on feed pipe 4 after avoiding power-off falls bottom and pressing screw assembly junction, thus causing 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 pass through to overflow in the oil pocket 34 that oil pipe 33 overflows to cooling heat transferring case 24, the lubricating oil ensured in bearing chamber has certain liquid level, thus ensureing that main shaft 22 and bearing 30 are constantly in the state that lubrication is good, it is prevented that 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。

Described big belt pulley 6 and small belt pulley 7 and driving belt upper cover are provided with wheel cover 47, to protect belt gear。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 pass through its water inlet 40 and outlet 41 is connected on the water supply line of factory (now external water inlet pipe described previously and external outlet pipe are the water supply line of factory), 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 the operating temperature monitoring in grain bulking machine。Expand the front end external diameter front inner diameter less than discharging opening 18 of control 20, expand and control the rear end external diameter front inner diameter more than discharging opening 18 of 20 back end inside diameter less than discharging opening 18；So, expand control 20 and can stretch into flaring discharging opening 18。Regulate expansion control 20 and stretch into the front and back position of discharging opening 18, it is possible to the width of tapping channel 21。Referring to accompanying drawing 5, the position expanding control 20 is more forward, and tapping channel 21 is more narrow, expands the position of control 20 more rearward, and tapping channel 21 is more wide。Therefore, by controlling to expand the front and back position of control 20, it is possible to control the thickness degree after material processes。

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) in, ferrum class impurity in material is adsorbed onto on the tube wall of feed pipe 4 by electric magnet 44, it is prevented that ferrum class impurity falls into press chamber 3 thus affecting 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, and is conducive to 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 being stirred, making material be distributed more uniform, promoting processing quality。

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, 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 preventing the high oil temperature of lubricating oil in bearing chamber from bringing harm。

The setting of thermometer 16 and Pressure gauge 17, it is simple to the expanded front temperature and pressure of material in monitoring work, thus regulating work process more accurately, improves expansion effect。When material is pushed to discharging opening 18 by spiral pushing blade 12, inflated control 20 is stopped, enters discharging boot 8 only by tapping channel 21。When material enters discharging boot 8, pressure reduces rapidly, and in material (grain grain), the moisture instant vaporization in superheat state is thus violent explosion occurs, and makes 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 replacement, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model。

Claims (3)

1. the attachment structure of grain bulking machine pressing screw and main shaft, including pressing screw assembly and main shaft, it is characterised in that: pressing screw assembly 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；Described pressing screw is coaxially set with described main shaft and the two links together by being connected screw rod, connects screw rod and is positioned at the axis place of main shaft and pressing screw and threadeds with pressing screw；Pressing screw front end is connected with main shaft by buckle structure；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 screw Duan Bingyu all pressing screws section threaded。

2. the attachment structure of grain bulking machine pressing screw according to claim 1 and main shaft, 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, the spiral buckle of rear-end of spindle and the spiral buckle of pressing screw front end are mutually adapted。

3. the attachment structure of grain bulking machine pressing screw according to claim 1 and main shaft, it is characterized 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, the eye-splice of the eye-splice of rear-end of spindle and pressing screw front end is mutually adapted。