CN218104768U - Viscosity material extrusion device - Google Patents

Abstract

The utility model discloses a viscosity material extrusion device, the problem that current extrusion device's structure is comparatively complicated has been solved, including hollow feed bin, upper and lower both ends at the feed bin are equipped with feed inlet and discharge gate respectively, be formed with the passageway that supplies the material to advance between feed inlet and discharge gate in the feed bin, be equipped with the squeeze roll in the feed bin, the both ends of squeeze roll are provided with the pivot in axis position department, the squeeze roll bridges on the relative both sides wall of feed bin through the pivot, a serial communication port, be equipped with a plurality of outstanding promotion arriss on the outer peripheral face of squeeze roll, promotion arris on the squeeze roll stretch into in the passageway, the squeeze roll promotes the material towards the discharge gate direction through promoting the arris, be provided with the pressure material body in the upstream side rotation ground of squeeze roll in the feed bin, the pressure material body is used for the material to push together towards discharge gate direction pressure feed.

Description

Viscosity material extrusion device

Technical Field

The utility model belongs to the food machinery field especially relates to an extrusion device for carrying out extrusion moulding to the material that has certain viscosity.

Background

Food products are typically required to be applied to food machinery during the preparation process to achieve the preparation and formation of the food product. Due to certain compactness requirement on the interior of food, an extruder is required to extrude lumpy food materials, so that the interior of the materials is compact and is molded. For the extrusion of materials, a screw extrusion mechanism and a roller extrusion mechanism are provided, and in the field of food machinery, the roller extrusion mechanism is used for the extrusion molding of the materials. The roll-type extrusion mechanism can realize flattening type extrusion feeding of the lump forming materials, and the action efficiency is relatively high.

Publication No.: CN111685354B discloses a material extruder, which solves the problem that the existing material extruder is not suitable for extruding powder materials due to unsmooth discharge, and comprises a frame, a hollow body disposed on the frame, the body having a feed port and a discharge port communicated with a material cavity, an extrusion roller rotatably disposed on the body, a plurality of extrusion structures disposed on the outer edge of the extrusion roller, the extrusion structures forming a plurality of pushing ports for pushing and pressing materials on the outer peripheral surface of the extrusion roller, and a positioning structure for acting on the extrusion structures, so that when the extrusion structures push and press materials, the extrusion structures can be kept in a state of extending out of the extrusion roller to form the pushing ports; when the extrusion structure moves to the position of the discharge port, 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 port; 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, and the size of the push port is increased.

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

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is: the viscosity material extruding device enables materials to smoothly move in the storage bin.

For solving the technical problem, the utility model discloses the technical scheme who takes: the viscosity material extruding device comprises a hollow stock bin, wherein a feed inlet and a discharge outlet are respectively arranged at the upper end and the lower end of the stock bin, a channel for materials to advance is formed between the feed inlet and the discharge outlet in the stock bin, an extruding roller is arranged in the stock bin, rotating shafts are arranged at the two ends of the extruding roller at the axial position, and the extruding roller is bridged on two opposite side walls of the stock bin through the rotating shafts.

The channel is a space concept and is limited by a corresponding structure in the storage bin, and materials move in the channel from the upstream direction to the downstream direction. The extrusion roller is similar to a ratchet wheel in structure, and when the extrusion roller rotates, the pushing ribs can push materials to move towards the discharge port in the channel. When the materials are pushed, part of the materials in the advancing process can enter the containing cavity, so that the occlusion between the pushing edges and the materials is realized.

Preferably, the two pressing bodies are arranged in parallel, the two pressing bodies are interlocked through an interlocking mechanism, and the two pressing bodies are used for alternately pressing and conveying the materials. Therefore, the material pressing body can be used for pressing and conveying the material relatively uniformly and stably, and the density consistency in the material is good.

Preferably, the pushing edges are uniformly distributed in the circumferential direction of the peripheral surface of the squeezing roller, a containing cavity is formed between every two adjacent pushing edges on the squeezing roller, a scraping plate is arranged at the position, close to the discharge port, of the outer side of the squeezing roller, the outer end 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 avoiding mechanism is acted with the scraper, so that the scraper is suitable for the rotation of the extrusion roller and avoids the pushing edges extending into the channel in sequence. The scraper blade is arranged, so that materials entering the cavity can be scraped into the channel, the residual quantity of the materials in the cavity is small or no residual, and the pushing edge is convenient to push the materials again.

Preferably, the pushing edge extends in the axial direction of the extrusion roller, the scraper is arranged in parallel with the axial line of the extrusion roller, the scraper is bridged on two opposite side walls of the bin through a pivot, an eccentric structure positioned on the outer side of the bin is connected to the pivot, and the avoiding mechanism is positioned on the outer side of the bin and acts with the eccentric structure. The arrangement mode of the scraper can be well adapted to the movement of the scraper, and the scraper can stably scrape materials stored in the containing cavity.

Preferably, the avoiding mechanism comprises a ratchet wheel, a plurality of ratchets are uniformly distributed on the peripheral surface of the ratchet wheel, the number of the ratchets is consistent with that of pushing edges on the corresponding squeezing rollers, and the ratchets are used for being in contact with the eccentric structure. The rotating shaft extends out of the bin, and the ratchet wheel is sleeved on the rotating shaft. The avoiding mechanism is simple in structure and can be well adapted to the structural form of the squeeze roll, so that the scraper can smoothly and sequentially leave the positions of the pushing edges. The ratchet wheel is sleeved on the rotating shaft, so that the synchronism of the movable plate and the extrusion roller during working is further ensured, the structure is simple, and the scraper can be effectively ensured to be in time kept away from the position of the pushing edge.

Preferably, the pushing ribs are toothed, the pushing ribs are obliquely arranged towards the same side in the circumferential direction of the squeezing roller, and the size of the bottom surface of the accommodating cavity is larger than the width of the roots of the pushing ribs. Because the containing cavity has a relatively large size, the integral structure of the squeeze roller is different from that of a common ratchet wheel structure, so that the scraper has relatively wide and abundant movable space, and the scraper is favorable for scraping the materials in the containing cavity out of the containing cavity cleanly.

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

Preferably, a C-shaped wrapping part is formed in the bin, the wrapping part is open towards the inner side of the bin, the squeezing roller is rotatably inserted into the wrapping part, the scraper blocks the lower opening part of the wrapping part, and the scraper limits the passage. Through setting up parcel portion, and can effectively improve the stability of squeeze roll when rotating. And the scraper can block the channel to realize relative sealing so as to prevent the material from entering a gap between the wrapping part and the extrusion roller.

Preferably, a caulking groove is arranged at the lower opening part of the wrapping part, and the scraper is arranged in the caulking groove in an arc-shaped matching manner. The setting up of caulking groove makes the cooperation stability between scraper blade and the parcel portion good, and parcel portion can provide stable support for the scraper blade can be steadily shoveled the material and scrape.

Preferably, the interior of the squeeze roll is hollow, a pipe joint is arranged at the end part of a rotating shaft of the squeeze roll, a liquid through pipe penetrates through the pipe joint and the rotating shaft to extend into the squeeze roll, and a liquid return pipe is connected with the pipe joint to realize communication with the interior of the squeeze roll. The liquid return pipe and the liquid through pipe are communicated with the liquid storage box, hot water is stored in the liquid storage box and is guided into the squeeze roller, so that the squeeze roller can be kept at a temperature suitable for the material, the physical state of the material is effectively prevented from changing due to the temperature difference when the material is contacted with the squeeze roller, and the quality of the prepared candy can be effectively guaranteed.

Therefore, the utility model has the advantages that: through the squeeze roll realize extrudeing the material in the feed bin, the ejection of compact is convenient, the shaping of the material of being convenient for, and the inside compactness of material is good, can effectively guarantee the quality of the food that makes. Through setting up the scraper blade, the scraper blade of activity can be in hold the material shovel of intracavity and scrape out to can guarantee to promote the arris to the promotion efficiency of material, can be adapted to the work demand of the squeeze roll of rotary type. Through setting up keep away a mechanism, and make the scraper blade can satisfy to the material shovel scrape under the prerequisite, and can avoid promoting the arris for squeeze roll's work continuity is good.

Drawings

Fig. 1 is a side view of the extruder concerned.

Fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.

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

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

Fig. 5 is a view showing a relative position between the extrusion roll and the blade.

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

In the figure, 1, a frame; 2. a cantilever; 3. a hopper; 4. a storage bin; 5. sugar strips; 6. a conveyor belt; 7. a work table; 8. a liquid return pipe; 9. pressing the material body; 10. a squeegee; 101. an eccentric rod; 102. a roller; 11. a squeeze roll; 111. a rotating shaft; 112. a cavity; 113. pushing the edge; 12. discharging the die; 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 through pipe; 20. a drive gear; 21. and (4) ratchet wheels.

Detailed Description

The present viscous material extruding apparatus will be described below by taking the extruder as an example. With the attached drawings, the viscosity material extruding device is arranged on an extruder and is used as a core working unit of the extruder. The extrusion device is used for extruding and discharging sugar with certain viscosity so as to facilitate the forming of the sugar.

The structure of the related extruder comprises a frame 1, wherein one side of the frame 1 is a balance weight, the other side of the frame 1 is provided with two cantilevers 2 extending along the horizontal direction, and the two cantilevers 2 clamp a hollow stock bin 4. The upper end and the lower end of the storage bin 4 are respectively provided with a feeding hole and a discharging hole, the feeding hole is fixedly provided with a hopper 3, and the discharging hole is provided with a discharging die 12. The sugar is placed in the hopper 3 and enters the bin 4 from the inlet, and is shaped and discharged in the discharge die 12 at the outlet. In fig. 1 and 2, the discharge die 12 is shown as forming a plurality of sugar bars 5, or as discharging sugar cakes, i.e. discharging a continuous piece of sugar cake.

A pair of squeeze rolls 11 are provided in the silo 4, the squeeze rolls 11 are cylindrical, a rotating shaft 111 is provided at the position of the axis of the squeeze rolls 11, and the squeeze rolls 11 rotate around the axis of the rotating shaft 111 in the silo 4. In fig. 3 and 4, the rotating shaft 111 is inserted into 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 squeezing rollers 11 in the storage bin 4 is provided by the power motor 13. The rotation shaft 111 may transmit power through a sprocket-chain motor transmission mechanism to rotate the squeeze roller 11.

In order to accelerate the travel of the material between the squeeze rollers 11, a pair of presser bodies 9 is provided in the silo 4 on the upstream side of the squeeze rollers 11, the presser bodies 9 are plate-shaped, and the cross section of the presser bodies 9 is approximately prismatic. The pressure body 9 may also be a trisected, quartered star structure. The end part of the material pressing body 9 extends out of the outer side of the storage bin 4, the material pressing body 9 is driven by an additional independent motor 16 to work, the extending ends of the two material pressing bodies 9 are simultaneously sleeved with a power gear, and the two power gears are meshed with each other to realize the simultaneous linkage of the two material pressing bodies 9. By the staggered arrangement of the initial position and the working position of the two pressing bodies 9, when the motor 16 is started, the two pressing bodies 9 alternately press and convey the materials entering the storage bin 4 towards the discharge port.

In fig. 2, a passage for sugar to pass through is formed in the bin 4 and is defined by corresponding structures in the bin 4, and the sugar is discharged from the feeding hole to the discharging hole in the bin 4. The peripheral surface of the squeeze roll 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 roll 11, and the pushing ribs 113 on the squeeze roll 11 extend into the channel. As shown in fig. 2, 5 and 6, the pushing ribs 113 are toothed, and the pushing ribs 113 on the same pressing roll 11 are inclined toward the same side in the circumferential direction of the pressing roll 11. In fig. 2, the pushing ribs 113 on the two squeeze rollers 11 are shown to be inclined in opposite directions. The rotating shafts 111 of the two squeezing rollers 11 are respectively sleeved with a driving gear 20, and the two driving gears 20 are meshed with each other, so that the two squeezing rollers 11 can rotate reversely at the same time to extrude and discharge materials together.

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 move in the channel through the pushing rib 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 squeezing rollers 11 on the material, a scraper 10 is correspondingly arranged on the outer side of each squeezing roller 11, the scraper 10 is arranged at a position close to the discharge port relative to the feed port, the outer end of the scraper 10 is used for movably extending into the cavity 112, when the squeezing rollers 11 rotate relative to the scraper 10, the end of the scraper 10 scrapes the material in the cavity 112, so that the scraper 10 scrapes the material in the cavity 112 into the channel before the pushing rib 113 leaves the channel. In order to avoid the position of the pushing rib 113, the clearance mechanism acting on the scraper 10 deflects the scraper 10, and the end of the scraper 10 is separated from the receiving 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 sequentially avoid the pushing rib 113 extending into the passage.

Fig. 4 and 5 show that the pushing rib 113 extends in the axial direction of the press roll 11, and the pushing rib 113 is equal in length to the press roll 11. The scraper 10 is arranged outside the squeezing roller 11 and is parallel to the axis of the squeezing roller 11, and the length of the scraper 10 is similar to that of the squeezing roller 11. The flight 10 has an arcuate curve in the width direction that projects inwardly of the channel. The scrapers 10 bridge opposite side walls of the silo 4 by means of pivots. The eccentric rod 101 positioned outside the bin 4 is connected on a pivot, and the position avoiding mechanism is positioned outside the bin 4 and is acted with the eccentric rod 101. The drawing 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 squeezing roller 11. A roller 102 is rotatably provided at an outer end of the eccentric rod 101, and an outer circumferential surface of the roller 102 is in contact with the ratchet. For resetting, it is also usually necessary to pivotally sleeve a torsion spring or to provide a resetting structure such as a tension spring acting on the eccentric rod 101 on the outer side of the bin 4, so that the roller 102 tends to remain in contact with the ratchet. The avoiding 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 and the outer peripheral surface of the cam. It is also possible to provide a driving plate with a curved groove into which the roller 102 is inserted with clearance, and to realize the movement of the squeegee 10 by the rotation of the driving plate in conjunction with the trajectory of the curved groove. However, the arrangement of the cam and the driving plate requires an additional driving motor, which increases the cost.

Be formed with the parcel portion that is C shape in feed bin 4, this parcel portion is a cavity, and the inboard opening of parcel portion towards feed bin 4, squeeze roll 11 rotationally pegs graft in the parcel portion, and a part of squeeze roll 11 sees through the opening of parcel portion and stretches into in the feed bin 4. The scraper 10 blocks the lower opening of the wrapping portion to prevent the material from entering the wrapping portion from the gap of the lower opening of the wrapping portion. Said channels are formed in the space between the press rolls 11 and extend down between the scrapers 10, which scrapers 10 simultaneously participate in the definition of the channels. Be provided with the caulking groove in parcel portion lower oral area department, scraper blade 10 arc cooperation ground sets up in the caulking groove, and scraper blade 10 is at the during operation, and the medial surface of caulking groove can provide the support for scraper blade 10.

The press roll 11 is made of a stainless material, and the interior of the press roll 11 is hollow. A pipe joint 18 is arranged at the end part of the rotating shaft 111 on the side, opposite to the reversing seat 17, of the squeezing roller 11, and the pipe joint 18 is in liquid-tight connection with the end part of the rotating shaft 111. The liquid duct 19 extends through the pipe connection 18 into the squeeze roll 11, the inner end of the liquid duct 19 penetrating as far as possible into the interior of the squeeze roll 11. 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 roller 11 through the pipe joint 18. The liquid through pipe 19 and the liquid return pipe 8 are both communicated with a liquid storage box 14 arranged on the frame 1. The liquid storage tank 14 is positioned right below the storage 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 extrusion roller 11 through the liquid through pipe 19 and returns the hot water to the liquid storage tank 14 through the liquid return pipe 8, thereby realizing the circulation of the hot water between the extrusion roller 11 and the liquid storage tank 14, keeping the surface temperature of the extrusion roller 11 the same as the temperature of the material, and keeping the physical properties of the material not to be changed when the material is in contact with the extrusion roller 11.

A discharge die 12 is arranged at the discharge outlet of the storage bin 4, and the discharge die 12 is hermetically connected with the discharge outlet of the storage bin 4. A plurality of mutually separated discharge holes are arranged in the discharge die 12, so that the preparation of the sugar strips 5 can be realized. Only one large outlet may be provided in the discharge die 12, so that the preparation of the sugar cake is possible. The sugar product thus prepared is conveyed outwardly by means of a conveyor device, which is a conveyor belt 6, arranged on the underside of the silo 4, the conveyor belt 6 resting on a shell-like table 7, the above-mentioned liquid storage tank 14 being arranged inside the table 7. The workstation 7 sets up on elevating system, and this elevating system is for setting up the pneumatic cylinder 15 in frame 1, through the work of pneumatic cylinder 15, and makes workstation 7 realize going up and down to can adjust the distance between conveyer belt 6 and ejection of compact mould 12, so that the sugar material product can be spread out on the surface of conveyer belt 6 naturally after the shaping ejection of compact, and is carried towards the outside by conveyer belt 6 in succession.

Claims (10)

1. The viscosity material extruding device comprises a hollow stock bin, wherein a feed inlet and a discharge outlet are respectively arranged at the upper end and the lower end of the stock bin, a channel for materials to advance is formed between the feed inlet and the discharge outlet in the stock bin, an extruding roller is arranged in the stock bin, rotating shafts are arranged at the two ends of the extruding roller at the axial position, and the extruding roller is bridged on two opposite side walls of the stock bin through the rotating shafts.

2. The extrusion apparatus as set forth in claim 1, wherein the two pressing bodies are arranged in parallel, the two pressing bodies are interlocked by an interlocking mechanism, and the two pressing bodies are alternately used for pressing and feeding the material.

3. The extrusion device for the viscous materials according to claim 1, wherein the pushing ribs are uniformly distributed in the circumferential direction of the outer circumferential surface of the extrusion roller, a containing cavity is formed between two adjacent pushing ribs on the extrusion roller, a scraper is arranged at a position close to the discharge port on the outer side of the extrusion roller, the outer end part of the scraper is used for movably extending into the containing cavity, and the scraper scrapes the materials in the containing cavity into the channel before the pushing ribs leave the channel; the avoiding mechanism is acted with the scraper, so that the scraper is suitable for the rotation of the extrusion roller and avoids the pushing edges extending into the channel in sequence.

4. The apparatus as claimed in claim 3, wherein the pushing rib extends in the axial direction of the squeeze roll, the scraping plate is disposed parallel to the axis of the squeeze roll, the scraping plate is bridged to opposite side walls of the storage bin by a pivot, the eccentric structure located outside the storage bin is connected to the pivot, and the avoiding mechanism located outside the storage bin interacts with the eccentric structure.

5. The extrusion device for the viscous material as claimed in claim 4, wherein the avoiding mechanism comprises a ratchet wheel, a plurality of ratchets are uniformly distributed on the peripheral surface of the ratchet wheel, the number of the ratchets is consistent with that of the pushing edges on the corresponding extrusion rollers, and the ratchets are used for contacting with the eccentric structure; the rotating shaft extends out of the bin, and the ratchet wheel is sleeved on the rotating shaft.

6. A viscous material extruding apparatus according to any one of claims 1 to 5, wherein the pushing ridges are toothed, the pushing ridges are inclined toward the same side in the circumferential direction of the extruding roll, and the bottom surface of the cavity has a size larger than the width of the root of the pushing ridge.

7. A viscous material extrusion apparatus according to any one of claims 3 to 5, wherein the extrusion rolls are two, the two extrusion rolls are arranged in parallel at intervals, one scraper is correspondingly arranged on the outer side of each extrusion roll, and the channel is formed in the interval between the two extrusion rolls.

8. A device for squeezing viscous material according to any one of claims 3 to 5, wherein a C-shaped wrapping part is formed in the hopper, the wrapping part is open toward the inside of the hopper, the squeezing roller is rotatably inserted into the wrapping part, and the scraper blocks a lower mouth part of the wrapping part, and defines the passage.

9. The viscous material extrusion apparatus according to claim 8, wherein a caulking groove is provided at a lower mouth portion of the wrapping portion, and the scraper is arcuately fitted in the caulking groove.

10. The apparatus for extruding a viscous material according to claim 1, wherein the squeeze roll is hollow inside, a pipe joint is provided at an end of a rotating shaft of the squeeze roll, a liquid passing pipe passes through the pipe joint and the rotating shaft to extend into the squeeze roll, and a liquid returning pipe is connected to the pipe joint to communicate with the inside of the squeeze roll.

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