CN218921594U - Continuous vacuum silk extruding device for rice flour - Google Patents

Abstract

The utility model discloses a continuous vacuum rice flour extruding device, wherein a screw is arranged in a hollow cylinder, and one end of the screw is connected with a transmission shaft in a transmission base; a feed inlet which is radially communicated with the cavity of the hollow cylinder is formed in the cylinder body of the hollow cylinder, the feed inlet is arranged close to the transmission base, a wire extrusion die head is arranged at the discharge end of the hollow cylinder, and an extraction opening which is communicated with the cavity of the hollow cylinder is formed in the cylinder body between the feed inlet and the wire extrusion die head; the screw rod is the variable pitch screw rod, and screw rod and cavity barrel form quick propulsion section, pile up the jam section in proper order, seal exhaust section and extrusion row material section, and quick propulsion section corresponds the feed inlet region, and the extraction opening sets up in sealing exhaust section region, pile up the spiral pitch that the jam section corresponds on the screw rod and be less than quick propulsion section and seal the spiral pitch that the exhaust section corresponds on the screw rod. The self-sealing space formed by the sealing exhaust section is subjected to air extraction treatment, so that the strip breakage, strip splitting and strip shortening rates of the extruded wire product are obviously reduced, and the quality of the extruded wire product is obviously improved.

Description

Continuous vacuum silk extruding device for rice flour

Technical Field

The utility model relates to the field of deep processing of grains, in particular to a continuous vacuum rice flour extruding device which is mainly applied to the forming processing of grain starch materials such as rice flour extruding, coarse cereal noodle rolling and the like, and aims to process fused semitransparent colloid of the grain starch materials after gelatinization into geometric shapes such as lines, strips, sheets, blocks and the like.

Background

The rice flour and the minor cereal noodles are one of the extremely important modes of edible consumption and comprehensive utilization of rice and minor cereal, and have large and wide related quantity. The rice flour is a final consumption semi-finished product formed by soaking, crushing, pasting and forming rice. The rice flour is divided into wet fresh rice flour, straight-bar dry powder and ball-bar dry powder (instant rice flour), and the crisp bar rate, the broken bar rate, the splitting bar rate and the paste soup performance are important indexes for evaluating the quality and the finished product rate of various rice flour products and are decisive factors for directly influencing the comprehensive benefit of rice flour production.

The existing rice flour processing process flow comprises the following steps: raw material rice, cleaning, soaking, dewatering, crushing, gelatinizing, extruding silk to form, ageing, drying (straight bar dry powder and ball bar dry powder), packaging in parts and obtaining the finished product.

The gelatinization, extruding and shaping and drying in the processing technology are key steps affecting the quality and comprehensive benefits of the rice flour product, especially the extruding process, and play a role in subsequent gelatinization and homogenization of the rice flour while finishing the shaping of the rice flour.

In the extrusion molding process of rice flour, the doped gas in the rice flour dough is one of important factors causing quality problems of crisp strips, broken strips, split strips, paste soup and the like of rice flour products, and in the industrial production extrusion molding process of rice flour, the reduction and removal of gas entrainment in the rice flour dough is a technical bottleneck for solving the technical problem of years in the industry.

Disclosure of Invention

In order to reduce and remove gas entrainment in the powder dough, improve the quality of rice flour products and reduce loss, the utility model provides a continuous vacuum rice flour extruding device.

The technical scheme adopted is as follows:

the continuous vacuum rice flour extruding device comprises a transmission base, a screw rod with a pushing spiral and a hollow cylinder body with two open ends, wherein the hollow cylinder body and the transmission base form coaxial fixed connection, the screw rod is arranged in a cavity of the hollow cylinder body, one end of the screw rod is in driving connection with a transmission shaft arranged in the transmission base, and the other end of the screw rod is close to a discharge end of the hollow cylinder body; a feeding hole which is radially communicated with the cavity of the hollow cylinder body is formed in the cylinder body of the hollow cylinder body, the feeding hole is arranged close to the transmission base, a wire extrusion die head is arranged at the discharging end of the hollow cylinder body, and an extraction hole which is communicated with the cavity of the hollow cylinder body is formed in the cylinder body of the hollow cylinder body between the feeding hole and the wire extrusion die head; the screw rod is the variable pitch screw rod, along the advancing direction of screw rod, the screw rod with well cavity barrel forms fast propulsion section, piles up the jam section, seals exhaust section and extrudees the material section of arranging in proper order, fast propulsion section is located the region that the feed inlet corresponds, the extraction opening set up in seal the region that the exhaust section formed, pile up the jam section corresponds screw pitch on the screw rod is less than fast propulsion section and seal the exhaust section corresponds screw pitch on the screw rod.

Preferably, the screw pitch of the closed venting section corresponding to the screw is consistent with the screw pitch of the extrusion venting section corresponding to the screw.

Further preferably, a spiral end of the screw corresponding to the stacking and blocking section and a spiral start end of the screw corresponding to the closed exhaust section form a spiral intermittent section, and a spiral intermittent length p= (0.6-1.0) x t2 formed by the spiral intermittent section in an axial direction of the screw, wherein t2 is a spiral pitch of the stacking and blocking section corresponding to the screw.

Further preferably, the screw pitches on the screw corresponding to the fast pushing section, the stacking blocking section and the closed exhaust section are t1, t2 and t3, respectively, and the screw pitches t1, t2 and t3 satisfy the following mathematical relationship:

t1＝(1.8～3.0)×t2，t3＝(1.1～1.3)×t1。

preferably, the air extraction opening is located in a middle area of the hollow cylinder body, and is externally connected with a vacuum extraction device through an air extraction tube, and is used for extracting air in the hollow cylinder body corresponding to the closed exhaust section.

The wire extrusion die head comprises a locking end cover, a wire extrusion die plate, a pressure equalizing plate and a flow director, wherein the locking end cover is of a cylindrical structure with two open ends, and one end of the locking end cover is detachably connected with the discharge end of the hollow cylinder; a plurality of radial through holes are formed in the equalizing plate, and a connecting through hole I is formed in the middle of the equalizing plate; a plurality of wire extrusion through holes are formed in the wire extrusion template, a connecting through hole II corresponding to the connecting through hole I is formed in the middle of the wire extrusion template, and the aperture of the wire extrusion through hole is smaller than that of the radial through hole; the flow guider sequentially penetrates through the connecting through hole I and the connecting through hole II, the equalizing plate and the wire extrusion die plate are connected into a whole, the whole is sleeved in the locking end cover, and an extrusion buffer cavity is formed between the equalizing plate and the wire extrusion die plate; the radial round end faces of the wire extrusion die plate and the wire extrusion die plate are respectively connected with the inner side face of the locking end cover in an extrusion sealing mode, the gelatinized molten semitransparent colloid is pushed into the locking end cover through the screw rod, and is discharged out of the wire extrusion die head after being extruded and molded through the wire extrusion die plate and the wire extrusion die plate in sequence.

Further, the fluid director comprises a conical fluid director body and a screw rod, wherein one end of the screw rod is vertically fixed at the large end face of the conical fluid director body.

Further preferably, the locking end cover and the discharge end of the hollow cylinder form a detachable sealing connection structure through a locking connection piece, and the transmission base and the hollow cylinder form detachable sealing connection through a flange.

Furthermore, a water jacket is further arranged on the outer side of the hollow cylinder body, a water inlet and a water outlet are respectively arranged near the two ends of the water jacket, the water inlet is arranged near the wire extrusion die head, and the water outlet is arranged near the feed inlet.

Furthermore, a belt wheel is arranged on the transmission shaft extending out of the end part of the transmission base, and the belt wheel, the transmission shaft and the screw are driven to synchronously rotate by a belt external motor.

The technical scheme of the utility model has the following advantages:

A. according to the utility model, a variable-pitch screw structure is arranged in the hollow cylinder, four areas of a rapid pushing section, a stacking blocking section, a sealing exhaust section and an extrusion discharging section are formed along the screw in the pushing direction through the change of the pushing spiral pitch on the screw, and meanwhile, the pitch of the screw at the stacking blocking section is smaller than that of the adjacent area, so that a self-sealing space is formed in the sealing exhaust section.

B. The utility model adopts the unique structure of the multi-section variable pitch extrusion conveying screw rod, realizes the variable speed conveying and repeated extrusion of materials, thereby improving the uniformity and the continuous stability of the material quality and having positive effects on the continuous stability of the product quality; meanwhile, according to the filament extrusion die head structure adopted by the utility model, the molten semitransparent colloid obtained through extrusion firstly passes through the equalizing plate, so that materials enter the extrusion buffer cavity after passing through the equalizing plate, and then the formed product is obtained after filament extrusion by the filament extrusion die plate, and the pressure of each part in the filament extrusion process is uniform, so that filament extrusion broken strips cannot exist.

C. The continuous vacuum rice noodle extruding device provided by the utility model is not only used for extruding rice noodles, but also used for forming and processing the line type, strip type, sheet type, block type and other geometric shapes of fused semitransparent colloid of gelatinized cereal starch materials such as corn noodles, oat noodles, buckwheat noodles and the like, so that one machine is multipurpose.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the embodiments will be briefly described, and it will be apparent that the drawings in the following description are some embodiments of the present utility model and that other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the whole structure of the device provided by the utility model;

FIG. 2 is a schematic view of the extrusion die of FIG. 1 assembled;

FIG. 3 is a schematic view showing a disassembled structure of the extrusion die of FIG. 2;

FIG. 4 is a schematic view of the hollow cylinder in FIG. 1;

FIG. 5 is a schematic view of the screw structure of FIG. 1;

fig. 6 is a schematic diagram of the working state of the rice flour device provided by the utility model.

The identification symbols provided in the figures are described below:

1-drive machine base

2-screw

3-hollow cylinder

31-feeding hole, 32-extracting hole, 33-wedge-shaped lock catch

4-silk extrusion die head

41-locking end cap

42-extruding silk template

421-extrusion through hole, 422-connection through hole II

43-pressure equalizing plate

431 radial through-holes, 432 connecting through-holes I

44-deflector

441-conical current-conducting body, 442-screw rod

4 a-extrusion buffer cavity

5-vacuum tube, 6-lock catch connecting piece and 7-flange

8-water jacket

81-water inlet and 82-water outlet

9-a transmission shaft; 10-pulleys; 20-a molten translucent gel; 30-vacuum meter a-quick pushing section, b-stacking blocking section, c-closed exhaust section, d-extrusion discharging section e-self-closing space.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in figures 1 and 5, the utility model provides a continuous vacuum rice flour extruding device, which comprises a transmission base 1, a screw rod 2 with a pushing spiral and a hollow cylinder body 3 with two open ends, wherein the hollow cylinder body 3 and the transmission base 1 form coaxial fixed connection, and the utility model adopts flange connection. The screw rod 2 is arranged in a cavity of the hollow cylinder body 3, one end of the screw rod 2 is in driving connection with the transmission shaft 9 arranged in the transmission base 1, the other end of the screw rod 2 is close to the discharge end of the hollow cylinder body 3, the screw rod 2 preferably adopts a hollow structure, the screw rod 2 is connected with the transmission shaft 9 through inserting and spline connection, and the transmission shaft 9 is assembled in an inner cavity of the transmission base 1 through a supporting bearing; the cylinder body of the hollow cylinder body 3 is provided with a feed inlet 31 which is radially communicated with the cavity of the cylinder body, the feed inlet 31 is arranged close to the transmission base 1, and the discharge end of the hollow cylinder body 3 is provided with a filament extrusion die head 4, namely the left end position in fig. 1. The hollow cylinder 3 between the feed inlet 31 and the filament extrusion die head 4 is also provided with an extraction opening 32 communicated with the cavity, and the extraction opening 32 is connected with an external vacuum-pumping device, so that the hollow cylinder can be vacuumized. The screw rod 2 adopted by the utility model is a variable pitch screw rod, a rapid pushing section a, a stacking blocking section b, a closed exhaust section c and an extrusion discharge section d are sequentially formed between the screw rod 2 and the hollow cylinder 3 along the pushing direction of the screw rod 2, the rapid pushing section a is positioned in a region corresponding to the feed inlet 31, the air extraction opening 32 is arranged in the region formed by the closed exhaust section c, and the spiral pitch on the stacking blocking section b corresponding to the screw rod 2 is smaller than the spiral pitch on the screw rod 2 corresponding to the rapid pushing section a and the closed exhaust section c, as shown in fig. 4 and 5.

Of course, the screw pitch of the closed exhaust section c corresponding to the screw 2 in the present utility model is consistent with the screw pitch of the extrusion discharge section d corresponding to the screw 2, and the area where the left side pitch t3 of the screw is located as shown in fig. 5 includes the closed exhaust section c and the extrusion discharge section d.

As shown in fig. 4, the pushing screw on the screw rod is further disconnected, namely a screw discontinuous section is formed at the screw tail end of the screw rod 2 corresponding to the stacking blocking section b and the screw starting end of the screw rod 2 corresponding to the closed exhaust section c, and the screw discontinuous length p= (0.6-1.0) x t2 formed by the screw discontinuous section in the axial direction of the screw rod 2, wherein t2 is the screw pitch of the stacking blocking section b corresponding to the screw rod 2. The screw pitches on the screw rod 2 corresponding to the rapid pushing section a, the stacking blocking section b and the closed exhaust section c are t1, t2 and t3 respectively, and the screw pitches t1, t2 and t3 satisfy the following mathematical relationship:

t1＝(1.8～3.0)×t2，t3＝(1.1～1.3)×t1。

as shown in fig. 6, after the raw materials are put into the hollow cylinder 3 through the feed inlet 31, the materials in the hollow cylinder 3 are rapidly pushed by the variable pitch extrusion conveying screw 2; with the change of the screw structure, the materials are gradually piled up, the density is increased and a blockage is formed; the blocking body is continuously pushed by continuously input materials, cut and broken by a spiral sheet t3 after passing through a spiral discontinuous section and rapidly pushed to a discharge end; the material is subjected to damping action of the extruding die plate at the discharging end to form secondary extrusion and congestion, and flows out in a strand shape (or a strip shape) along the forming hole of the extruding die plate along with the enhancement and balance of extrusion acting force to form an extruding product; meanwhile, a self-sealing space e is formed in the process of extruding and blocking the material twice, the space is communicated with a vacuumizing device through an air extracting opening 32, and under the vacuum effect, the gas existing and generated in the hollow cylinder body and the material is continuously discharged, so that the continuous vacuum wire extruding process is completed.

In order to adjust and balance the process temperature of materials in the whole device working process, as shown in fig. 4, a water jacket 8 with two sealed ends is arranged on the barrel body of the hollow barrel body 3, a water inlet 81 is arranged at the lower part of the left end of fig. 3, a water outlet 82 is arranged at the upper part of the right end of the hollow barrel body, and is used for introducing cooling water or other liquid coolants or heating media, and when in use, corresponding coolants or heating media pipelines can be respectively connected.

The air extraction opening 32 is preferably arranged in the middle area of the hollow cylinder 3, and is externally connected with a vacuum extraction device through the vacuum extraction pipe 5 for extracting the air in the hollow cylinder 3 corresponding to the closed exhaust section c.

As shown in fig. 2 and 3, the filament extrusion die head 4 comprises a locking end cover 41, a filament extrusion die plate 42, a pressure equalizing plate 43 and a flow director 44, wherein the locking end cover 41 adopts a cylindrical structure with two open ends, and one end of the locking end cover is detachably connected with the discharge end of the hollow cylinder 3; the pressure equalizing plate 43 is formed with a plurality of radial through holes 431, a connecting through hole I432 is formed in the middle of the pressure equalizing plate, the connecting through hole I432 extends along the axial direction towards one side, meanwhile, the outer circular end face of the pressure equalizing plate 43 also extends along the axial direction towards the same side, and the end face of the connecting through hole I is kept level with the side face of the outer circular end face of the pressure equalizing plate, as shown in fig. 3; a plurality of wire extrusion through holes 421 are formed in the wire extrusion template 42, a connecting through hole II422 corresponding to the connecting through hole I432 is formed in the middle of the wire extrusion template 42, and the aperture of the wire extrusion through hole 421 is smaller than that of the radial through hole 431; the deflector 44 sequentially penetrates through the connecting through hole I432 and the connecting through hole II422, connects the equalizing plate 43 and the wire extrusion die plate 42 into a whole, and is sleeved in the locking end cover 41, and an extrusion buffer cavity 4a is formed between the equalizing plate 43 and the wire extrusion die plate 42; the radial round end surfaces of the wire extrusion die plate 42 and the wire extrusion die plate 43 are respectively connected with the inner side surface of the locking end cover 41 in an extrusion sealing manner, the gelatinized molten semitransparent colloid 20 is pushed into the locking end cover 41 through the screw rod 2, and is extruded and molded through the wire extrusion die plate 42 and the wire extrusion die plate 43 in sequence and then discharged out of the wire extrusion die head 4.

As shown in fig. 3, the fluid director 44 used in the present utility model includes a conical fluid director 441 and a lead screw 442, wherein one end of the lead screw 442 is vertically fixed to a large end surface of the conical fluid director 441. During installation, the screw rod 442 sequentially penetrates through the connecting through hole I and the connecting through hole II, so that the large end face of the conical surface current-conducting body 441 is attached to the end face of the equalizing plate 43, the extending end of the screw rod 442 is locked through a nut, the equalizing plate and the wire extruding template 42 form a whole, and then the whole right end of the drawing of the locking end cover 41 is sleeved into the inner cavity of the locking end cover 41. In order to facilitate replacement or cleaning of the filament extrusion die head 4, as shown in fig. 4, a circumferential wedge lock catch 33 is arranged on the discharge end barrel body of the hollow barrel body 3, preferably, a locking end cover 41 and the wedge lock catch 33 arranged at the discharge end of the hollow barrel body 3 form a detachable sealing connection structure through a lock catch connecting piece 6, and a transmission machine seat 1 and the hollow barrel body 3 form detachable sealing connection through a flange 7, so that the disassembly and maintenance work of workers are facilitated.

In addition, as shown in fig. 1, a belt wheel 10 is further arranged on a transmission shaft 9 extending out of the end part of the transmission base 1, the belt wheel 10, the transmission shaft 9 and the screw 2 are driven to synchronously rotate by a V-shaped transmission belt external motor, meanwhile, a vacuum gauge 30 is also arranged on the vacuumizing tube 5, when vacuumizing is carried out, a worker can clearly see the vacuum state in the hollow cylinder 3 from the vacuum gauge 30, and the vacuum degree in the cavity can be controlled by observing the vacuum gauge 30, so that the gas existing and generated in the hollow cylinder 3 and materials can be more conveniently and thoroughly removed.

As shown in fig. 6, the utility model continuously pushes the material (melted rice cake) thrown in from the feed inlet 31 to move along the inner cavity of the hollow cylinder to the end of the extruding die head at a variable speed by driving the variable pitch screw rod to rotate at a high speed, and meanwhile, the vacuumizing device operates to form partial vacuum in the middle part of the cavity of the hollow cylinder, so that air in the cavity and bubbles in the rice cake are removed under the action of the vacuum, and then the rice cake is extruded in a linear shape and a strip shape through the extruding die head to finish the extruding process.

The continuous vacuum rice noodle extruding device provided by the utility model can effectively solve the problems of broken strips, split strips, crisp strips, layering and the like of products in various shapes such as starch strips, wires, sheets and the like caused by continuous extrusion molding process and bubble entrainment, realizes compact and uniform product quality, smooth surface and high yield, and can be widely applied to the fields of rice noodle extruding processing, starch vermicelli processing and the like.

The utility model is applicable to the prior art where nothing is mentioned.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.

Claims (10)

1. The utility model provides a continuous vacuum silk device of ground rice, includes drive frame (1), has screw rod (2) of pushing away material spiral and both ends open-ended cavity barrel (3), cavity barrel (3) with form coaxial fixed connection between drive frame (1), screw rod (2) set up in the cavity of cavity barrel (3), one end of screw rod (2) with install in transmission shaft (9) in drive frame (1) form drive connection, the other end of screw rod (2) is close to cavity barrel (3) discharge end; the hollow cylinder (3) is provided with a feeding hole (31) which is radially communicated with a cavity of the hollow cylinder, the feeding hole (31) is close to the transmission base (1), and a wire extrusion die head (4) is arranged at the discharging end of the hollow cylinder (3), and the hollow cylinder is characterized in that an extraction hole (32) which is communicated with the cavity of the hollow cylinder (3) and is positioned between the feeding hole (31) and the wire extrusion die head (4); the screw rod (2) is a variable pitch screw rod, along the advancing direction of screw rod (2), screw rod (2) with form fast propulsion section (a), pile up and block up section (b), seal exhaust section (c) and extrusion row material section (d) in proper order between cavity barrel (3), fast propulsion section (a) are located feed inlet (31) corresponds the region, extraction opening (32) set up in seal exhaust section (c) formed regional, pile up and block up section (b) correspond screw pitch on screw rod (2) be less than fast propulsion section (a) and seal exhaust section (c) correspond screw pitch on screw rod (2).

2. The continuous vacuum rice noodle extruding device according to claim 1, wherein,

the screw pitch of the closed exhaust section (c) corresponding to the screw (2) is kept consistent with the screw pitch of the extrusion exhaust section (d) corresponding to the screw (2).

3. A continuous vacuum rice noodle extruding device according to claim 2, wherein,

the spiral tail end of the screw (2) corresponding to the stacking blocking section (b) and the spiral starting end of the screw (2) corresponding to the closed exhaust section (c) form a spiral discontinuous section, and the spiral discontinuous section is formed by a spiral discontinuous length p= (0.6-1.0) x t2 in the axial direction of the screw (2), wherein t2 is the spiral pitch of the stacking blocking section (b) corresponding to the screw (2).

4. A continuous vacuum rice noodle extruding device according to claim 3, wherein,

the screw pitches on the screw (2) corresponding to the rapid pushing section (a), the stacking blocking section (b) and the closed exhaust section (c) are t1, t2 and t3, and the screw pitches t1, t2 and t3 meet the following mathematical relation:

t1＝(1.8～3.0)×t2，t3＝(1.1～1.3)×t1。

5. continuous vacuum rice flour extruding device according to any one of claims 1-4, wherein the extraction opening (32) is located in the middle part of the hollow cylinder (3), and is externally connected with a vacuum extractor through a vacuum extractor tube (5) for extracting the gas in the closed exhaust section (c) corresponding to the hollow cylinder (3).

6. The continuous vacuum rice noodle extruding device according to claim 1, wherein,

the wire extrusion die head (4) comprises a locking end cover (41), a wire extrusion die plate (42), a pressure equalizing plate (43) and a flow guider (44), wherein the locking end cover (41) is of a cylindrical structure with two open ends, and one end of the locking end cover is detachably connected with the discharge end of the hollow cylinder body (3); the equalizing plate (43) is provided with a plurality of radial through holes (431) in a molding way, and a connecting through hole I (432) is formed in the middle part of the equalizing plate; a plurality of wire extrusion through holes (421) are formed in the wire extrusion template (42), a connecting through hole II (422) corresponding to the connecting through hole I (432) is formed in the middle of the wire extrusion template, and the aperture of the wire extrusion through hole (421) is smaller than that of the radial through hole (431); the flow guider (44) sequentially penetrates through the connecting through hole I (432) and the connecting through hole II (422), the pressure equalizing plate (43) and the wire extruding template (42) are connected into a whole, the pressure equalizing plate and the wire extruding template (42) are sleeved in the locking end cover (41), and an extruding buffer cavity (4 a) is formed between the pressure equalizing plate (43) and the wire extruding template (42); the radial round end faces of the wire extrusion die plate (42) and the wire extrusion die plate (43) are respectively connected with the inner side face of the locking end cover (41) in an extrusion sealing mode, the gelatinized molten semitransparent colloid (20) is pushed into the locking end cover (41) through the screw rod (2), and is discharged out of the wire extrusion die head (4) after being extruded and molded through the wire extrusion die plate (43) and the wire extrusion die plate (42) in sequence.

7. The continuous vacuum rice noodle extruding device according to claim 6, wherein,

the deflector (44) comprises a conical deflector body (441) and a screw rod (442), wherein one end of the screw rod (442) is vertically fixed at the large end face of the conical deflector body (441).

8. The continuous vacuum rice noodle extruding device according to claim 7, wherein,

the locking end cover (41) and the discharge end of the hollow cylinder body (3) form a detachable sealing connection structure through the lock catch connecting piece (6), and the transmission base (1) and the hollow cylinder body (3) form detachable sealing connection through the flange (7).

9. The continuous vacuum rice noodle extruding device according to claim 1, wherein,

the water jacket (8) is further arranged on the outer side of the hollow cylinder body (3), a water inlet (81) and a water outlet (82) are respectively arranged at two ends, close to the water jacket (8), of the hollow cylinder body, the water inlet (81) is close to the wire extrusion die head (4), and the water outlet (82) is close to the feeding hole (31).

10. The continuous vacuum rice noodle extruding device according to claim 1, wherein,

the transmission shaft (9) extending out of the end part of the transmission base (1) is also provided with a belt wheel (10), and the belt wheel (10), the transmission shaft (9) and the screw (2) are driven to synchronously rotate by a belt external motor.

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