CN114831328B

CN114831328B - Viscosity material extruder and application thereof

Info

Publication number: CN114831328B
Application number: CN202210553637.8A
Authority: CN
Inventors: 魏志刚
Original assignee: Dongying Zhida Food Machinery Co ltd
Current assignee: Dongying Zhida Food Machinery Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2023-12-19
Anticipated expiration: 2042-05-21
Also published as: CN114831328A

Abstract

The invention discloses a viscosity sugar extruder and application thereof, which solve the problem that the structure of the existing extruder is relatively complex, the structure comprises a frame and a storage bin, wherein the upper end and the lower end of the storage bin are respectively provided with a feed inlet and a discharge outlet, a channel for material to travel is formed between the feed inlet and the discharge outlet in the storage bin, an extrusion roller connected with a power mechanism is arranged in the storage bin, a plurality of protruding pushing edges are arranged on the outer peripheral surface of the extrusion roller, the pushing edges are uniformly distributed along the circumferential direction of the extrusion roller, and the pushing edges on the extrusion roller extend into the channel. A containing cavity is formed between two adjacent pushing edges on the squeeze roller, a scraping plate is arranged on the outer side of the squeeze roller and close to the discharge hole, the outer end portion of the scraping plate is used for movably extending into the containing cavity, and the scraping plate scrapes materials in the containing cavity into the channel before the pushing edges leave the channel. The avoidance mechanism acting on the scraping plate enables the scraping plate to move, and enables the scraping plate to adapt to the rotation of the extrusion roller to avoid the pushing edges extending into the channel in sequence.

Description

Viscosity material extruder and application thereof

Technical Field

The invention belongs to the field of food machinery, and particularly relates to an extruder for processing and extruding materials with certain viscosity, and processing and preparing the materials with the viscosity by using the extruder.

Background

Food products are often required to be applied to a food machine during preparation to achieve the formation of the food product. Because of certain compactness requirement to the interior of food, need use the extruder to extrude the food material that forms the lump to the inside compactness compaction of material is formed. There are screw extrusion mechanisms and roller extrusion mechanisms for extrusion of materials, and in the field of food machinery, there are many roller extrusion mechanisms for extrusion molding of materials. The roller type extrusion mechanism can realize extrusion feeding of lump forming materials, and the action efficiency is relatively high.

Publication No.: the patent document of CN111685354B discloses a material extruder, which solves the problem that the prior material extruder is not smooth in discharging and is not suitable for extruding powder materials, and the structure comprises a frame, a hollow machine body, a plurality of extruding rollers, a plurality of extruding structures and a straightening structure, wherein the machine body is provided with a feeding port and a discharging port which are communicated with a material cavity, the extruding rollers are rotationally arranged in the machine body, the extruding structures can form a plurality of pushing ports for pushing the materials on the outer peripheral surface of the extruding rollers, and the straightening structure is used for acting on the extruding structures, so that the extruding structures can be kept in a state of extending to the outer side of the extruding rollers to form the pushing ports when pushing the materials; when the extrusion structure moves to the position of the discharge hole, the position correcting structure enables the extrusion structure to move towards the inner side of the extrusion roller so as to reduce the size of the push hole; when the extrusion structure moves to the position of the feed port, the position correcting structure enables the extrusion structure to move towards the outer side of the extrusion roller, so that the size of the push port is increased.

The material extruder can be suitable for extruding powder materials, but because the extruding roller is provided with a plurality of movable extruding structures, the structure is relatively complex, and the processing and assembling requirements are high, so that the manufacturing cost of the extruder is relatively high.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the viscosity material extruder is relatively simple in structure and convenient to install.

The invention also solves the technical problems that: an application of a viscosity material extruder is provided.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a viscosity material extruder, which comprises a frame, hollow feed bin sets up in the frame, the upper and lower both ends of feed bin are equipped with feed inlet and discharge gate respectively, feed inlet supplies the material to get into the feed bin, the discharge gate supplies the material to go out from in the feed bin, be formed with the passageway that supplies the material to march in the feed bin between feed inlet and discharge gate, be equipped with the squeeze roll in the feed bin, the axis position department of squeeze roll is provided with the pivot, the pivot is connected with the power unit transmission, be equipped with a plurality of outstanding promotion arriss on the outer peripheral face of squeeze roll, these promotion arriss are along the circumferencial direction equipartition of squeeze roll, the promotion arriss on the squeeze roll stretches into in the passageway, its characterized in that, the squeeze roll in the rotation is through promoting the arriss promotion material and march in the passageway, hold the chamber and supply the material to get into.

The outer side of the squeeze roller is provided with a scraper blade, the scraper blade is arranged close to the discharge hole relative to the feed hole, the outer end part of the scraper blade is used for movably extending into the accommodating cavity, and the scraper blade scrapes materials in the accommodating cavity into the channel before pushing the rib to leave the channel.

The avoidance mechanism acting on the scraping plate enables the scraping plate to move, and enables the scraping plate to adapt to the rotation of the extrusion roller to avoid the pushing edges extending into the channel in sequence.

The channel is a space concept and is defined by corresponding structure realization in the bin, and materials travel in the channel from upstream to downstream. The squeeze roller is similar to the structural form of a ratchet wheel, and when the squeeze roller rotates, the pushing edges can push materials to advance in the channel towards the direction of the discharge hole. When pushing the material, part of the material in the advancing process can enter the containing cavity, so that the pushing edges are engaged with the material. Because the working mode of the squeeze roller is rotating, the scraping plate can scrape the materials in the containing cavity, so that the pushing edges can push the materials again. The action of the avoiding mechanism on the scraping plate enables the scraping plate to move, so that after the scraping plate is moved away from the pushing edge, the scraping plate enters the containing cavity again to scrape the materials.

Preferably, the pushing ribs extend in the axial direction of the squeeze roller, the scraping plates are arranged in parallel with the axis of the squeeze roller, the scraping plates are bridged on two opposite side walls of the storage bin through the pivot shafts, the eccentric structures located on the outer sides of the storage bin are connected to the pivot shafts, and the position avoiding mechanisms are located on the outer sides of the storage bin and act on the eccentric structures. The arrangement mode of the scraping plate can be well suitable for the movement of the scraping plate, and the scraping plate can be used for scraping materials stored in the containing cavity stably.

Preferably, the avoiding mechanism comprises a ratchet wheel, a plurality of ratchet teeth are uniformly distributed on the peripheral surface of the ratchet wheel, the number of the ratchet teeth is consistent with that of the pushing edges on the corresponding squeeze roller, and the ratchet teeth are used for being in contact with the eccentric structure. The avoidance mechanism has a simple structure, can be well adapted to the structural form of the squeeze roller, and ensures that the scraping plate can smoothly and sequentially leave the positions of the pushing edges.

Preferably, the rotating shaft extends to the outer side of the storage bin, and the ratchet wheel is sleeved on the rotating shaft. The synchronous nature of fly leaf and squeeze roll during operation has still further been guaranteed to this, simple structure, can effectively guarantee that the scraper blade in time gives way the position of pushing the arris.

Preferably, the pushing edges are toothed, and in the circumferential direction of the squeeze roller, the pushing edges are inclined towards the same side, and the size of the bottom surface of the cavity is larger than the width of the root of the pushing edge. Because the holding cavity has relatively larger size, the integral structure of the squeeze roller is different from the common ratchet wheel structure, so that the scraping plate has relatively wide movable space, and the scraping plate is beneficial to scraping the materials in the holding cavity out of the holding cavity relatively cleanly.

Preferably, the number of the extrusion rollers is two, the two extrusion rollers are arranged in parallel at intervals, one scraping plate is correspondingly arranged on the outer side of each extrusion roller, and the channel is formed in the interval between the two extrusion rollers. The two squeeze rollers simultaneously rotate reversely, so that the squeezing force on the materials can be effectively ensured, the materials move smoothly in the channel, and the internal compactness of the obtained materials is good.

Preferably, a C-shaped wrapping portion is formed in the bin, the wrapping portion opens toward the inside of the bin, the squeeze roller is rotatably inserted into the wrapping portion, the scraper blocks the lower opening of the wrapping portion, and the scraper defines the passage. Through setting up parcel portion, and can effectively improve the stability of squeeze roll when rotating. And the relative sealing of the channel can be realized through the blocking of the scraping plate, so that materials are prevented from entering a gap between the wrapping part and the extrusion roller.

Preferably, a caulking groove is formed in the lower opening of the wrapping part, and the scraping plates are arranged in the caulking groove in an arc-shaped fit mode. The setting of caulking groove makes the cooperation stability between scraper blade and the parcel portion good, and the parcel portion can provide stable support for the scraper blade can scrape the material steadily.

Preferably, a pair of press bodies are provided in the silo at the upstream side of the press roller, and the cross section of the press bodies is approximately prismatic. The material pressing body is novel in structure, relatively large pushing force can be provided for materials, and extrusion of the extrusion roller to the materials is facilitated.

Preferably, the extrusion roller is hollow, a pipe joint is arranged at the end part of the rotating shaft of the extrusion roller, a liquid passing pipe penetrates through the pipe joint and stretches into the extrusion roller, a liquid returning pipe is connected with the pipe joint to be communicated with the inside of the extrusion roller, the liquid passing pipe and the liquid returning pipe are both communicated with a liquid storage tank arranged on the frame, and a constant temperature heating device is arranged in the liquid storage tank. The hot water is stored in the liquid storage tank, and is led into the squeeze roller, so that the squeeze roller can be kept at a temperature suitable for materials, and the physical state of the materials is effectively prevented from changing due to the temperature difference when the materials are contacted with the squeeze roller, and the quality of the prepared candies can be effectively ensured.

Preferably, a workbench is arranged at the lower side of the discharge hole of the storage bin, a conveying device is arranged on the workbench, and the workbench is arranged on the lifting mechanism. The conveying device is used for conveying the materials extruded out of the discharge hole to the outside, the distance between the conveying device and the discharge hole is proper, if the distance is too large, the discharged materials can be stretched to change the shape under the action of gravity, and the materials are easy to overlap on the conveying device in the falling process; if the distance is too small, smooth discharging is affected. The workbench can be lifted at present, so that the distance between the conveying device and the discharge hole can be adjusted, the distance between the conveying device and the discharge hole is moderate, and the extruder can meet the preparation requirements of various different materials.

Therefore, the invention has the beneficial effects that: the extrusion roller can extrude the material in the bin, the material is convenient to discharge, the material is convenient to form, the compactness of the material is good, and the quality of the prepared food can be effectively ensured. Through setting up the scraper blade, movable scraper blade can be with the material shovel of holding intracavity is scraped out to can guarantee to promote the arris to the promotion efficiency of material, can be adapted to the work demand of pivoted squeeze roll. Through setting up keep away a position mechanism, and make the scraper blade can be under the prerequisite of satisfying scraping the material shovel, and can avoid promoting the arris for the work continuity of squeeze roll is good.

Drawings

Fig. 1 is a side view of the present viscosity material extruder.

Fig. 2 is a cross-sectional view taken along the direction A-A in fig. 1.

Fig. 3 is a perspective view of the present extruder with the housing removed.

Fig. 4 is a view showing the installation structure of the extrusion roll after the silo is removed.

Fig. 5 is a view showing the relative positions of the extrusion roll and the blade.

Fig. 6 is an end view structural diagram of fig. 5.

In the figure, 1, a rack; 2. a cantilever; 3. a hopper; 4. a storage bin; 5. sugar bars; 6. a conveyor belt; 7. a work table; 8. a liquid return pipe; 9. pressing a material body; 10. a scraper; 101. an eccentric rod; 102. a roller; 11. a squeeze roll; 111. a rotating shaft; 112. a cavity; 113. pushing the rib; 12. discharging mould; 13. a power motor; 14. a liquid storage tank; 15. a hydraulic cylinder; 16. a motor; 17. a reversing seat; 18. a pipe joint; 19. a liquid pipe; 20. a drive gear; 21. a ratchet wheel.

Detailed Description

With reference to the attached drawings, the viscosity material extruder is used for extruding and discharging sugar materials with certain viscosity so as to facilitate the forming of the sugar materials. The structure of the extruder comprises a frame 1, wherein one side of the frame 1 is provided with a counterweight, the other side of the frame is provided with two cantilevers 2 extending along the horizontal direction, and the two cantilevers 2 clamp a hollow stock bin 4. The upper and lower both ends of feed bin 4 are equipped with feed inlet and discharge gate respectively, and feed inlet department is fixed with hopper 3, and discharge gate department is provided with ejection of compact mould 12. Sugar is put into the hopper 3, enters the stock bin 4 from the feed inlet, and is molded and discharged in the discharge mold 12 at the discharge outlet. In fig. 1 and 2, the discharge die 12 is shown to discharge in the form of a plurality of sugar bars 5, or in the form of sugar cakes, i.e. in the form of a single continuous piece of sugar cake.

A pair of squeeze rollers 11 are provided in the bin 4, the squeeze rollers 11 are cylindrical, a rotary shaft 111 is provided at an axial position of the squeeze rollers 11, and the squeeze rollers 11 are rotated around an axis of the rotary shaft 111 in the bin 4. In fig. 3 and 4, the rotating shaft 111 is shown inserted in the reversing seat 17, the power motor 13 is connected to the reversing seat 17, the power motor 13 is in transmission connection with the rotating shaft 111 through the reversing seat 17, and the rotating power of the extrusion roller 11 in the storage bin 4 is provided by the power motor 13. The rotation shaft 111 may be configured to transmit power by a sprocket-chain motor transmission mechanism, thereby rotating the squeeze roller 11.

In fig. 2, a passage for passing sugar is formed in the bin 4, the passage is defined by a corresponding structure in the bin 4, and the sugar is discharged from a feed inlet to a discharge outlet in the bin 4. The outer circumferential surface of the squeeze roller 11 is provided with a plurality of protruding pushing ribs 113, the pushing ribs 113 are uniformly distributed along the circumferential direction of the squeeze roller 11, and the pushing ribs 113 on the squeeze roller 11 extend into the channel. In fig. 2, 5 and 6, the pushing ribs 113 are shown as teeth, and the pushing ribs 113 on the same press roll 11 are inclined toward the same side in the circumferential direction of the press roll 11. In fig. 2, the pushing ribs 113 on the two squeeze rolls 11 are shown to be inclined in opposite directions. The rotating shafts 111 of the two squeeze rollers 11 are respectively sleeved with a driving gear 20, and the two driving gears 20 are meshed, so that the two squeeze rollers 11 simultaneously rotate reversely to jointly squeeze and discharge materials.

In the circumferential direction of the outer circumferential surface of the squeeze roller 11, a cavity 112 is formed between two adjacent pushing ribs 113, the size of the bottom surface of the cavity 112 in the circumferential direction of the outer circumferential surface of the squeeze roller 11 is larger than the width of the root of the pushing rib 113, the squeeze roller 11 in the rotating process pushes materials to travel in a channel through the pushing ribs 113, and the materials can enter the cavity 112 between the pushing ribs 113 extending into the channel.

In order to ensure the pushing efficiency of the squeeze rollers 11 to the materials, a scraper 10 is correspondingly arranged on the outer side of each squeeze roller 11, the scraper 10 is arranged at a position close to the discharge hole relative to the feed hole, the outer end part of the scraper 10 is used for movably extending into the containing cavity 112, when the squeeze rollers 11 rotate relative to the scraper 10, the end part of the scraper 10 can scrape the materials in the containing cavity 112, and before the pushing edges 113 leave the channel, the scraper 10 can scrape the materials in the containing cavity 112 into the channel. To avoid the position of the pushing rib 113, the scraper 10 is deflected by a displacement mechanism acting on the scraper 10, and the end of the scraper 10 is separated from the cavity 112 before the target pushing rib 113 arrives, so that the scraper 10 is adapted to the rotation of the squeeze roller 11 to avoid the pushing rib 113 extending into the channel in turn.

Fig. 4 and 5 show that the pushing rib 113 extends in the axial direction of the squeeze roller 11, and the pushing rib 113 is equal in length to the squeeze roller 11. The blade 10 is disposed outside the squeeze roller 11 and parallel to the axis of the squeeze roller 11, and the length of the blade 10 is similar to the length of the squeeze roller 11. The squeegee 10 has an arc-shaped curvature in the width direction, which is convex toward the inside of the channel. The flights 10 are pivotally bridged on opposite side walls of the magazine 4. An eccentric rod 101 positioned outside the bin 4 is connected to the pivot, and the anti-displacement mechanism is positioned outside the bin 4 and acts with the eccentric rod 101. The figure shows that the avoiding mechanism is a ratchet wheel 21, the ratchet wheel 21 and the driving gear 20 are coaxially sleeved on the rotating shaft 111, a plurality of ratchet teeth are uniformly distributed on the outer peripheral surface of the ratchet wheel 21, and the number of the ratchet teeth is consistent with that of the pushing edges 113 on the corresponding extrusion roller 11. At the outer end of the eccentric rod 101, a roller 102 is rotatably provided, and the outer circumferential surface of the roller 102 is in contact with the ratchet teeth. For resetting, it is generally also necessary to provide a resetting structure such as a torsion spring, which is sleeved on the pivot, or a tension spring, which acts on the eccentric rod 101, on the outer side surface of the magazine 4, so that the roller 102 maintains a tendency to contact with the ratchet teeth. The avoidance mechanism may be a cam, and the deflection of the scraper 10 is realized by the contact of the roller 102 on the eccentric structure with the outer peripheral surface of the cam. A driving plate with a curved groove can also be provided, the roller 102 is inserted into the curved groove with a gap, and the movement of the scraper 10 is realized by combining the rotation of the driving plate with the track of the curved groove. However, the arrangement of the cam and the drive plate requires an additional drive motor, which increases the cost.

A C-shaped wrapping part is formed in the bin 4, the wrapping part is a cavity, the wrapping part is opened towards the inner side of the bin 4, the squeeze roller 11 is rotatably inserted in the wrapping part, and a part of the squeeze roller 11 extends into the bin 4 through the opening of the wrapping part. The scraper 10 blocks the lower mouth of the wrapping portion so as to prevent materials from entering the wrapping portion from a gap of the lower mouth of the wrapping portion. The channel is formed in the space between the two squeeze rolls 11, and the channel extends down between the two flights 10, both flights 10 also taking part in the definition of the channel. The lower opening part of the wrapping part is provided with the caulking groove, the scraping plate 10 is arranged in the caulking groove in an arc-shaped fit manner, and the inner side surface of the caulking groove can provide support for the scraping plate 10 when the scraping plate 10 works.

In order to accelerate the travel of the material between the squeeze rolls 11, a pair of squeeze bodies 9 are provided in the bin 4 on the upstream side of the squeeze rolls 11, the squeeze bodies 9 being plate-shaped, and the cross section of the squeeze bodies 9 being approximately prismatic. The pressing body 9 can also be in a trisection or quartering star structure. The end parts of the material pressing bodies 9 extend to the outer sides of the storage bins 4, the material pressing bodies 9 are driven to work by the other independent motors 16, a power gear is sleeved on the extending ends of the two material pressing bodies 9 at the same time, and the two power gears are meshed, so that the simultaneous linkage of the two material pressing bodies 9 is realized.

The squeeze roller 11 is made of stainless steel material, and the inside of the squeeze roller 11 is hollow. A pipe joint 18 is provided at the end of the rotating shaft 111 on the opposite side of the squeeze roller 11 from the reversing seat 17, and the pipe joint 18 is connected with the end of the rotating shaft 111 in a liquid-tight manner. The liquid passage pipe 19 passes through the pipe joint 18 and extends into the squeeze roller 11, and the inner end of the liquid passage pipe 19 extends into the squeeze roller 11 as far as possible. The liquid return pipe 8 is directly connected to the pipe joint 18, and the liquid return pipe 8 communicates with the inside of the squeeze roll 11 through the pipe joint 18. The liquid through pipe 19 and the liquid return pipe 8 are communicated with a liquid storage tank 14 arranged on the frame 1. The liquid storage tank 14 is positioned right below the stock bin 4, and a constant temperature heating device is arranged in the liquid storage tank 14. The hot water is stored in the liquid storage tank 14, the constant temperature heating device keeps the hot water at a required constant temperature, the water pump in the liquid storage tank 14 pumps the hot water into the squeeze roller 11 through the liquid passing pipe 19, and the hot water flows back into the liquid storage tank 14 through the liquid return pipe 8, so that the hot water circulates between the squeeze roller 11 and the liquid storage tank 14, the surface temperature of the squeeze roller 11 is kept the same as the temperature of a material, and the physical characteristics of the material are not changed when the material contacts the squeeze roller 11.

A discharge die 12 is arranged at the discharge port of the stock bin 4, and the discharge die 12 is in sealing connection with the discharge port of the stock bin 4. A plurality of mutually separated discharging holes are arranged in the discharging mould 12, so that the preparation of the sugar bars 5 can be realized. Only one larger outlet may be provided in the discharge die 12, so that the preparation of the sugar cake may be achieved. The prepared sugar products are conveyed outwards by a conveying device arranged at the lower side of the storage bin 4, the conveying device is a conveying belt 6, the conveying belt 6 is placed on a shell-shaped workbench 7, and the liquid storage box 14 is arranged inside the workbench 7. The workbench 7 is arranged on a lifting mechanism, the lifting mechanism is a hydraulic cylinder 15 arranged on the frame 1, the workbench 7 is lifted by the work of the hydraulic cylinder 15, and therefore the distance between the conveying belt 6 and the discharging mould 12 can be adjusted, so that sugar products can be naturally spread on the surface of the conveying belt 6 after being formed and discharged, and are continuously conveyed towards the outer side by the conveying belt 6.

Claims

1. The viscosity material extruder comprises a frame, wherein a hollow bin is arranged on the frame, a feed inlet and a discharge outlet are respectively arranged at the upper end and the lower end of the bin, a material is fed into the bin through the feed inlet, the material is discharged from the bin through the discharge outlet, a material advancing channel is formed between the feed inlet and the discharge outlet in the bin, an extrusion roller is arranged in the bin, a rotating shaft is arranged at the axis position of the extrusion roller and is in transmission connection with a power mechanism, a plurality of protruding pushing edges are arranged on the peripheral surface of the extrusion roller and uniformly distributed along the peripheral direction of the extrusion roller, and the pushing edges on the extrusion roller rotate along with the rotating shaft to enter the channel, and the viscosity material extruder is characterized in that a containing cavity is formed between two adjacent pushing edges on the peripheral surface of the extrusion roller and is used for pushing the material to advance in the channel, and part of the material in the advancing process can enter the containing cavity when pushing the material;

the outer side of the extrusion roller is provided with a scraping plate, the scraping plate is arranged at a position which is closer to the discharge hole relative to the feed hole, the outer end part of the scraping plate movably stretches into the accommodating cavity, and the scraping plate scrapes the materials in the accommodating cavity into the channel before pushing the rib to leave the channel;

the position avoiding mechanism acting on the scraping plate enables the scraping plate to movably extend into the containing cavity, and enables the scraping plate to adapt to the rotation of the extrusion roller so as to avoid the pushing edges extending into the channel in sequence;

the pushing edges extend in the axial direction of the extrusion roller, the scraping plates are arranged in parallel with the axial line of the extrusion roller, the scraping plates are bridged on two opposite side walls of the storage bin through pivots, and an eccentric structure positioned at the outer side of the storage bin is connected to the pivots, wherein the eccentric structure comprises an eccentric rod and a roller, and the position avoiding mechanism is positioned at the outer side of the storage bin and acts with the eccentric structure; the gear avoiding mechanism comprises a ratchet wheel, a plurality of ratchet teeth are uniformly distributed on the peripheral surface of the ratchet wheel, the number of the ratchet teeth is consistent with that of pushing edges on the corresponding extrusion roller, and the ratchet teeth are used for being contacted with the idler wheels in the eccentric structure; the rotating shaft extends to the outer side of the storage bin, and the ratchet wheel is sleeved on the rotating shaft.

2. The viscous material extruder of claim 1, wherein the pushing ribs are toothed and are disposed in the circumferential direction of the extrusion roll, the pushing ribs are disposed obliquely toward the same side, and the bottom surface of the cavity is larger than the width of the root of the pushing rib.

3. A viscous material extruder according to claim 1, wherein there are two squeeze rollers, the squeeze rollers are arranged in parallel at intervals, one of the scrapers is provided on the outer side of each squeeze roller, and the channel is formed in the interval between the squeeze rollers.

4. The viscosity material extruder according to claim 1, wherein a C-shaped packing part is formed in the hopper, the packing part is opened toward the inside of the hopper, the squeeze roller is rotatably inserted in the packing part, and the scraper blocks the lower opening of the packing part.

5. The viscous material extruder of claim 4, wherein a caulking groove is provided at the lower opening of the wrapping portion, and the scraper is arcuately disposed in the caulking groove.

6. A viscous material extruder according to claim 1, wherein a pair of press bodies are provided in the hopper on the upstream side of the press roll, the press bodies being approximately prismatic in cross section.

7. The extruder for viscous material according to claim 1, wherein the extrusion roller is hollow, a pipe joint is arranged at the end part of the rotating shaft of the extrusion roller, a liquid passing pipe penetrates through the pipe joint and stretches into the extrusion roller, a liquid returning pipe is connected with the pipe joint to realize the communication with the interior of the extrusion roller, the liquid passing pipe and the liquid returning pipe are both communicated with a liquid storage tank arranged on the frame, and a constant temperature heating device is arranged in the liquid storage tank.

8. A viscous material extruder according to claim 1, characterized in that a table is provided on the underside of the discharge opening of the silo, on which table a conveyor is provided, which table is arranged on the lifting mechanism.

9. The viscosity material extruder of any one of claims 1 to 8 for processing and preparing sugar materials.