CN216832399U - Extrusion molding device and extruder - Google Patents
Extrusion molding device and extruder Download PDFInfo
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- CN216832399U CN216832399U CN202123170925.5U CN202123170925U CN216832399U CN 216832399 U CN216832399 U CN 216832399U CN 202123170925 U CN202123170925 U CN 202123170925U CN 216832399 U CN216832399 U CN 216832399U
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Abstract
The utility model relates to the technical field of mechanical devices, and provides an extrusion molding device and an extruder, wherein the extrusion molding device comprises a shell, the shell is of a tubular structure with openings at both ends, and a feed end of the shell is provided with a connecting part used for being connected with a discharge port of extrusion equipment; the dabber sets up in the inside of shell and forms annular gap between the shell, dabber and shell relatively fixed, and the distance between the lateral wall of the tail end of dabber and the inside wall of shell is less than or equal to the distance between the lateral wall of the head end of dabber and the inside wall of shell. So set up, each position discharge rate of the annular gap between shell and the dabber is unanimous, not only can process tubular structure's product, and tubular structure's product can also form flat slice through the later stage cutting, under the certain circumstances of the output rate of extrusion equipment and the thickness of processing product, has increased the width of product than the flat forming die among the prior art, has improved extrusion moulding's efficiency and output.
Description
Technical Field
The utility model relates to the technical field of mechanical device, especially, relate to an extrusion moulding device and extruder.
Background
With the increasing awareness of the nutritional health and environmental protection of food and drink, plant-based foods represented by "plant meat" attract a great deal of attention at home and abroad, such as artificial meat processed from bean products rich in protein.
At present, an extruder is generally used for extruding a raw material of 'plant meat', so that the raw material of the 'plant meat' has a fiber structure similar to animal meat and a soft, elastic and tough mouthfeel. The extrusion die of the extruder is a main part of the extruder equipment, the long cooling flat extrusion die in the prior art can only process flat sheet products, the thickness of the processed products can not be too large for ensuring the cooling effect in the forming process, and due to the boundary effect, the discharging speed of the middle position of the flow channel of the extrusion die is high, the discharging speed of the two end positions is low, and the width size of the discharge port of the extrusion die can not be too large. If the great problem that can lead to the product of processing to appear the fracture of width size of discharge gate influences the integrality of product to the width and the thickness of the product of extrusion tooling processing receive the restriction, and then have restricted extrusion tooling's production efficiency and output.
SUMMERY OF THE UTILITY MODEL
The utility model provides an extrusion moulding device and extruder for solve above-mentioned problem.
The utility model provides an extrusion moulding device, include:
the device comprises a shell, a feeding device and a discharging device, wherein the shell is of a cylindrical structure with openings at two ends, and a connecting part used for being connected with a discharging hole of the extruding device is arranged at a feeding end of the shell;
the mandrel is arranged in the shell and forms an annular gap with the shell, the mandrel is relatively fixed with the shell, and the distance between the outer side wall of the tail end of the mandrel and the inner side wall of the shell is smaller than or equal to the distance between the outer side wall of the head end of the mandrel and the inner side wall of the shell.
According to the utility model provides a pair of extrusion moulding device, the axis of dabber with the axis coincidence of shell.
According to the utility model provides a pair of extrusion moulding device, the dabber includes:
the flow guide part is connected with the shell and is arranged inside the feeding end of the shell;
the forming part can be detachably connected with the flow guide part.
According to the utility model provides a pair of extrusion moulding device, water conservancy diversion portion is kept away from the lateral surface of the one end of shaping portion is provided with the water conservancy diversion face, the water conservancy diversion face with distance between the axis of water conservancy diversion portion is followed and is close to the direction of shaping portion increases gradually.
According to the utility model provides a pair of extrusion moulding device, the water conservancy diversion face with contained angle between the axis of water conservancy diversion portion is 15-60 degrees.
According to the utility model provides a pair of extrusion moulding device, the shaping portion includes first section and second section, follows the direction of feed first section is located the upstream position of second section, first section with the second section forms into integral type structure, first section's lateral wall with distance between the inside wall of shell is greater than the lateral wall of second section with distance between the inside wall of shell.
According to the extrusion molding device provided by the utility model, a plurality of molding parts can be arranged, and any one molding part can be detachably connected with the flow guide part;
the second segments of the plurality of profiles vary in size and/or in cross-sectional shape, the size of the second segments including the length and/or cross-sectional size of the second segments.
According to the utility model provides a pair of extrusion moulding device, the lateral wall of first section with be provided with the transition inclined plane between the lateral wall of second section, the transition inclined plane with contained angle between the axis of shaping portion is 0-60 degrees.
According to the extrusion molding device provided by the utility model, the tail end of the mandrel is positioned inside the shell;
or the end surface of the tail end of the mandrel is flush with the end surface of the discharge end of the shell;
or the tail end of the mandrel is positioned outside the shell.
According to the utility model provides a pair of extrusion moulding device still includes:
and the temperature control assembly is used for regulating and controlling the temperature of the shell and/or regulating and controlling the temperature of the mandrel.
According to the utility model provides a pair of extrusion moulding device, accuse temperature subassembly includes:
the first heat exchange part is provided with a first heat exchange channel for circulating a heat exchange medium, and the first heat exchange part is sleeved outside the shell;
and/or the second heat exchange part is provided with a second heat exchange channel for circulating a heat exchange medium, and the second heat exchange part is arranged in the mandrel;
and the first heat exchange part and the second heat exchange part are respectively provided with a medium inlet and a medium outlet for the heat exchange medium to enter and exit.
According to the utility model provides a pair of extrusion moulding device, the movably setting of first heat transfer portion is in on the shell, or, first heat transfer portion with the shell forms into integral type structure.
According to the extrusion molding device provided by the utility model, the first heat exchange channel and the second heat exchange channel extend along a straight line;
or, the first heat exchange channel and the second heat exchange channel extend along a curve.
According to the utility model provides a pair of extrusion moulding device still includes:
the flow distribution plate is provided with a through hole for materials to pass through, and the flow distribution plate is arranged between the flow guide part and the shell or between the first section and the shell.
According to the utility model provides a pair of extrusion moulding device, connecting portion include first end can with the connecting axle sleeve that the discharge gate of extrusion equipment is connected, the connecting axle sleeve cover is located the outside of the feed end of shell, the second end of connecting axle sleeve with be provided with limit structure between the shell, limit structure is used for the restriction the shell is followed the second end of connecting axle sleeve is deviate from and is made the axis of connecting axle sleeve with the axis coincidence of shell.
The utility model also provides an extruder, including foretell extrusion moulding device.
The utility model provides an among the extrusion moulding device, be connected shell and extrusion equipment's discharge gate through the connecting portion, have the annular gap between shell and dabber. The material that extrusion equipment output can get into the annular gap between shell and the dabber, can export tubular structure's product after the shaping, and each position discharge speed of the annular gap between shell and the dabber is unanimous. According to specific requirements, the product with the tubular structure can be cut into flat sheets, the width of the flat sheet product formed by cutting is the perimeter of the product with the tubular structure, and under the condition that the output speed of the extrusion equipment and the thickness of the processed product are fixed, compared with a flat forming die in the prior art, the width of the product is increased, and the extrusion forming efficiency and yield are improved.
Further, the present invention provides an extruder provided with the extrusion molding apparatus as described above, and therefore, also has various advantages as described above.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an extrusion molding apparatus provided by the present invention;
fig. 2 is a schematic structural diagram of an extrusion molding apparatus according to the present invention.
Reference numerals:
1: a housing; 2: a flow guide part; 3: a molding section; 4: a flow guide surface; 5: a first stage; 6: a second stage; 7: a transition bevel; 8: a first heat exchanging portion; 9: a first heat exchange channel; 10: a media inlet; 11: a media outlet; 12: a flow distribution plate; 13: a connecting shaft sleeve; 14: a limiting structure; 15: a seal member; 16: a second heat exchange channel; 17: a feeding end; 18: a discharge end; 19: a head end; 20: a tail end; h: a gap between the outer sidewall of the second section and the inner sidewall of the housing; α: the included angle between the transition inclined plane and the axis of the forming part.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The extrusion molding apparatus of the present invention will be described with reference to fig. 1 to 2.
As shown in fig. 1 and fig. 2, the embodiment of the present invention provides an extrusion molding apparatus, which includes a housing 1 and a mandrel, wherein the housing 1 is a tubular structure with openings at both ends, the mandrel is disposed inside the housing 1, and an annular gap is formed between the mandrel and the housing 1, after molding, a product with a tubular structure can be output, and the discharging speed of each position of the annular gap between the housing 1 and the mandrel is consistent.
The mandrel and the shell 1 are relatively fixed, and a connecting part is arranged at the feed end 17 of the shell 1 and used for connecting the feed end of the shell 1 with a discharge hole of extrusion equipment, so that the connection between the extrusion molding device and the extrusion equipment is realized.
It should be noted that the feeding end 17 of the housing 1 is one end of the housing 1 located at an upstream position along the feeding direction, and correspondingly, the other end of the housing 1 is a discharging end 18 of the housing 1. The head end 19 of the mandrel is the end of the mandrel that is located upstream in the feed direction, and correspondingly the other end of the mandrel is the tail end 20 of the mandrel.
The distance between the outer side wall of the tail end 20 of the mandrel and the inner side wall of the shell 1 is smaller than or equal to the distance between the outer side wall of the head end 19 of the mandrel and the inner side wall of the shell 1, so that materials can be effectively formed between the tail end 20 of the mandrel and the shell 1, and the quality of processed products is guaranteed.
The material output by the extrusion equipment can enter an annular gap between the shell 1 and the mandrel through the feeding end 17 of the shell 1, and can output a product with a cylindrical structure after being formed. According to specific requirements, the product with the tubular structure can be further formed into a flat sheet shape through later-stage cutting, the width of the flat sheet-shaped product formed through cutting is the perimeter of the product with the tubular structure, and under the condition that the output speed of the extrusion equipment and the thickness of the processed product are fixed, compared with a flat forming die in the prior art, the width of the product is increased, and the extrusion forming efficiency and the extrusion forming yield are improved.
The embodiment of the utility model provides an in, with the coaxial setting of dabber and shell 1 to ensure that the clearance between dabber and the shell 1 has even thickness along the axial uniformity of dabber, guarantee that the product of processing has the quality of the product of improvement processing.
In particular, a connecting bracket may be provided at the head end 19 of the mandrel, which connecting bracket is connected to the feed end 17 of the housing 1. The connecting bracket can allow material to pass through the gap between the mandrel and the housing 1. The connecting support is fixedly connected with the mandrel, a conical surface is arranged on the connecting support and the inner side wall of the shell 1, and the axis of the conical surface, the axis of the mandrel and the axis of the shell 1 coincide. The connecting support on the mandrel is in contact fit with the shell 1 through the conical surface, so that the coaxiality between the mandrel and the shell 1 can be guaranteed, and the assembling precision and efficiency can be improved.
The embodiment of the utility model provides an in, above-mentioned connecting portion are connected with extrusion equipment's discharge gate including connecting shaft sleeve 13, connecting shaft sleeve 13's first end. The connecting shaft sleeve 13 is sleeved outside the feeding end 17 of the housing 1, and a limiting structure 14 is arranged between the second end of the connecting shaft sleeve 13 and the housing 1, and is used for limiting the housing 1 to be separated from the second end of the connecting shaft sleeve 13 and enabling the axis of the connecting shaft sleeve 13 to coincide with the axis of the housing 1.
The limiting structure 14 specifically includes a first limiting step disposed at the second end of the connecting shaft sleeve 13 and a second limiting step disposed on the housing 1, and the interaction between the second limiting step and the first limiting step in the connecting shaft sleeve 13 can limit the housing 1 from coming out from the second end of the connecting shaft sleeve 13. Moreover, the arrangement of the first limit step and the second limit step is also beneficial to ensuring the coaxiality between the connecting shaft sleeve 13 and the shell 1.
The first end of the connecting shaft sleeve 13 is provided with an internal thread, correspondingly, the discharge port of the extrusion device is provided with an external thread, and the connecting shaft sleeve 13 is fixedly connected with the discharge port of the extrusion device through a thread. The discharge gate of extrusion equipment stretches into the inside to connecting sleeve 13, and the tip of the discharge gate of extrusion equipment supports the tip at shell 1 and linking bridge's tip, can guarantee the axiality between the discharge gate of extrusion equipment and dabber and shell 1.
In this embodiment, the mandrel comprises a flow guide part 2 and a forming part 3, wherein the flow guide part 2 is positioned inside the feeding end 17 of the shell 1. The distance between the outer side wall of the flow guide part 2 and the inner side wall of the shell 1 is larger than the distance between the outer side wall of the forming part 3 and the inner side wall of the shell 1, so that sufficient material can enter the feed end 17 of the shell 1.
Above-mentioned water conservancy diversion portion 2 is connected with shell 1, can dismantle between shaping portion 3 and the water conservancy diversion portion 2 and be connected, through the shaping portion 3 of changing different cross sectional shape and size, can process the product of different shapes and thickness.
Specifically, an internal thread may be provided on one of the flow guide portion 2 and the molding portion 3, and an external thread may be provided on the other, so that the flow guide portion 2 and the molding portion 3 are screwed.
In this embodiment, the forming portion 3 includes a first section 5 and a second section 6, the first section 5 is located at an upstream position of the second section 6 along the feeding direction, and the first section 5 and the second section 6 form an integrated structure, specifically, the first section 5 and the second section 6 may be integrally formed, or the first section 5 and the second section 6 may be separately processed and then fixedly connected together by welding or the like, which is not specifically limited herein.
The distance between the lateral wall of above-mentioned first section 5 and the inside wall of shell 1 is greater than the distance between the lateral wall of second section 6 and the inside wall of shell 1, promptly, the runner cross sectional area who supplies the material circulation between second section 6 and the shell 1 is less than the runner cross sectional area who supplies the material circulation between first section 5 and the shell 1, can ensure that the material can effectively be shaped between second section 6 and shell 1, ensures the quality of processing product.
The gap h between the outer side wall of the second section and the inner side wall of the housing may be 0.5-50 mm, and in a preferred embodiment, the gap h between the outer side wall of the second section and the inner side wall of the housing is set to be 1-20 mm, which may be determined according to the thickness of the product to be processed. Meanwhile, the compactness of the product is also related to the gap h between the outer side wall of the second section and the inner side wall of the shell, and when the output speed of the extrusion equipment is fixed, the smaller the gap h between the outer side wall of the second section and the inner side wall of the shell is, the more compact and compact the processed product is. Therefore, in the concrete implementation process, the size of the second section 6 of the forming part 3 can be selected and determined according to the requirement of the compactness of the product.
In order to ensure that the material between the first section 5 and the housing 1 can smoothly flow between the second section 6 and the housing 1, in this embodiment, a transition inclined plane 7 is provided between the outer side wall of the first section 5 and the outer side wall of the second section 6, a first end of the transition inclined plane 7 is connected with the outer side wall of the first section 5, and a second end of the transition inclined plane 7 is connected with the outer side wall of the second section 6.
The included angle alpha between the transition inclined plane and the axis of the forming part is 0-60 degrees, and in a preferred embodiment, the included angle alpha between the transition inclined plane and the axis of the forming part is set to be 0-45 degrees.
When the outer side surface of the first segment 5 and the outer side surface of the second segment 6 are flush with each other, the angle α between the transition slope and the axis of the forming portion is regarded as 0 degree, and in this case, the outer side surface of the first segment 5 may be directly connected to the outer side surface of the second segment 6 without providing the transition slope 7.
The embodiment of the utility model provides an in, tail end 20 of above-mentioned dabber can be located the inside of shell 1, also can be located the outside of shell 1, can also make the terminal surface of tail end 20 of dabber and the terminal surface parallel and level of the discharge end 18 of shell 1. The relative positions of the tail end 20 of the mandrel and the discharge end 18 of the shell 1 are different, the shapes of the processed products are also different, and the relative position between the tail end 20 of the mandrel and the discharge end 18 of the shell 1 can be determined according to specific requirements.
The embodiment of the present invention provides a mandrel, which may only include one forming portion 3, or may include a plurality of forming portions 3. When the mandrel comprises one flow guide part 2 and a plurality of forming parts 3, any one forming part 3 can be detachably connected with the flow guide part 2, and the connecting structures between the forming parts 3 and the flow guide part 2 are the same.
The second sections 6 of the plurality of profiles 3 are of different sizes, or the second sections 6 of the plurality of profiles 3 are of different cross-sectional shapes, or the second sections 6 of the plurality of profiles 3 are of different sizes and cross-sectional shapes. The dimensions of the second section 6 mentioned above include the length dimension of the second section 6 and the dimensions of the cross-section of the second section 6.
That is, one set of extrusion moulding mould in this embodiment includes the shaping portion 3 of multiple specification, selects the shaping portion 3 of different specifications to be connected with water conservancy diversion portion 2, can process the product of different shapes, and strong adaptability can satisfy user's multiple demand.
The embodiment of the utility model provides an in, be provided with water conservancy diversion face 4 on water conservancy diversion portion 2, water conservancy diversion face 4 sets up the lateral surface of the one end of keeping away from shaping portion 3 in water conservancy diversion portion 2. The distance between the flow guide surface 4 and the axis of the flow guide part 2 is gradually increased along the direction close to the forming part 3, so that the flow guide part 2 is in a conical structure. The space between water conservancy diversion portion 2 and the shell 1 reduces gradually, can guarantee that the feed end 17 of shell 1 has more materials to get into to ensure that the material can get into smoothly between water conservancy diversion portion 2 and the shell 1 and circulate to between shaping portion 3 and the shell 1, avoid appearing the accumulational problem of material at the head end 19 of dabber.
In this embodiment, the angle between the flow guide surface 4 and the axis of the flow guide part 2 is 15 to 60 degrees, and correspondingly, the cone angle of the flow guide part 2 is 30 to 120 degrees. In a specific embodiment, an included angle between the flow guide surface 4 and the axis of the flow guide portion 2 may be set to be 30 degrees, so that the taper angle of the flow guide portion 2 is 60 degrees, and when a high-viscosity material is processed, it is ensured that the high-viscosity material can smoothly and uniformly enter between the mandrel and the housing 1.
The embodiment of the utility model provides an in, extrusion moulding device still includes accuse temperature subassembly, accuse temperature subassembly is used for regulating and controlling the temperature of shell 1, and/or, is used for regulating and controlling the temperature of dabber. The shell 1 and the mandrel are in direct contact with the material, and the temperature of the material can be adjusted by regulating and controlling the temperature of the shell 1 and/or the mandrel and utilizing the heat exchange between the shell 1 and the mandrel and the material respectively. For example, in the process of processing the 'plant meat', the plant meat needs to be cooled while being shaped. The difference in temperature between the mandrel and the shell 1 also produces a product with a change in internal and external morphology.
The temperature of the shell 1 can be regulated only, the temperature of the mandrel can be regulated only, the temperature of the shell 1 and the temperature of the mandrel can be regulated at the same time, and the temperature regulation method can be determined according to actual conditions.
The temperature control assembly comprises a first heat exchanging part 8 and/or a second heat exchanging part. The first heat exchanging part 8 is provided with a first heat exchanging channel 9 for circulating a heat exchanging medium, the first heat exchanging part 8 is sleeved outside the shell 1, and the temperature of the shell 1 can be regulated and controlled by heat exchange between the heat exchanging medium and the shell 1. The second heat exchange portion is provided with a second heat exchange channel 16 for the circulation of a heat exchange medium, the second heat exchange portion is arranged inside the mandrel, and the temperature of the mandrel can be regulated and controlled by utilizing the heat exchange between the heat exchange medium and the mandrel.
The first heat exchanging part 8 and the second heat exchanging part are both provided with a medium inlet 10 and a medium outlet 11 for the heat exchanging medium to enter and exit. The medium inlet 10 is disposed on the lower side walls of the first heat exchanging part 8 and the second heat exchanging part, and the medium outlet 11 is disposed on the upper side walls of the first heat exchanging part 8 and the second heat exchanging part, so that the problem of air blockage caused by residual gas in the first heat exchanging part 8 and the second heat exchanging part can be avoided, and the temperature uniformity of the housing 1 and the mandrel can be ensured.
Because the dabber is located the inside of shell 1, and second heat transfer portion sets up in the inside of dabber, when setting up second heat transfer portion, need avoid setting up the medium import 10 and the medium export 11 of second heat transfer portion on second section 6 of shaping portion 3, avoid the influence to the shaping effect. In particular, the medium inlet 10 and the medium outlet 11 can be arranged at the first end of the profile section 3 or the flow guide section 2.
When the temperature of the shell 1 and the temperature of the mandrel need to be regulated and controlled at the same time, the first heat exchanging part 8 and the second heat exchanging part can be arranged at the same time; when only the temperature of the housing 1 needs to be controlled, only the first heat exchanging portion 8 may be operated or only the first heat exchanging portion 8 may be provided; when only the temperature of the mandrel needs to be regulated, only the second heat exchanging portion can be operated or only the second heat exchanging portion can be arranged.
The first heat exchanging portion 8 may be fixed to the outside of the casing 1, and specifically, the first heat exchanging portion 8 may be provided in the form of a jacket and fixed to the outside of the casing 1; a sleeve can also be arranged outside the shell 1, so that two ends of the sleeve are hermetically connected with the shell 1; a cavity may be formed in the sidewall of the casing 1 for the circulation of a heat exchange medium, so that the first heat exchanging portion 8 and the casing 1 form an integrated structure.
In an optional embodiment, the first heat exchanging portion 8 is slidably sleeved on the housing 1, and a relative position between the first heat exchanging portion 8 and the housing 1 can be adjusted according to specific requirements during a product processing process. The first heat exchanging part 8 can be specifically set in a sealing jacket form, so that the sealing jacket is connected with the shell 1 in a sliding manner; a sleeve may be disposed outside the housing 1, and a sealing member 15 may be disposed between both ends of the sleeve and the housing 1, where the sealing member 15 may be a material with good sealing performance, such as a skeleton oil seal, to ensure a movable seal between the sleeve and the housing 1.
The second heat exchange portion is arranged inside the mandrel, the mandrel can be machined into a hollow structure, and an inner cavity of the mandrel can be used as a second heat exchange channel 16.
The first heat exchange channel 9 and the second heat exchange channel 16 may extend along a straight line or may extend along a curved line.
When the first heat exchange channel 9 and the second heat exchange channel 16 extend along a curve, the first heat exchange channel 9 and the second heat exchange channel 16 may be arranged in a spiral shape. The circulation time of the heat exchange medium in the first heat exchange channel 9 and the second heat exchange channel 16 can be increased, and the heat exchange effect is ensured.
The embodiment of the utility model provides an in, extrusion moulding device still includes flow distribution plate 12, is provided with the through-hole that supplies the material to pass through on flow distribution plate 12. The flow distribution plate 12 can be arranged between the flow guide part 2 and the shell 1 or the flow distribution plate 12 is arranged between the first section 5 and the shell 1, and the flow distribution plate 12 has the functions of uniformly distributing the materials and changing the internal structure of the materials.
The through hole of the splitter plate 12 may be an annular gap coaxially disposed with the mandrel, or may be a plurality of circular holes. The shape of the through hole of the flow distribution plate 12 installed between the flow guide part 2 and the shell 1 is different, the materials can present different internal structures and arrangement forms after passing through different flow distribution plates 12, the processed products have different internal structures, and correspondingly, the taste of the products can also be different.
To sum up, the embodiment of the utility model provides an in the product that extrusion moulding device can process tubular structure, product form is novel, and has solved the problem that extrusion moulding mould among the prior art can only process flat slice product, and the discharge speed of the annular gap's between shell 1 and the dabber each position is unanimous. And according to specific requirements, the product with the tubular structure can be cut into flat sheets at a later stage, the width of the flat sheet product formed by cutting is the perimeter of the product with the tubular structure, the width of the flat sheet product is increased, and the forming efficiency and the yield of the extrusion die are improved under the condition that the output speed of the extrusion equipment and the thickness of the processed product are fixed.
By changing the sectional dimension and length of the forming part 3 of the mandrel, the included angle between the transition inclined plane 7 and the axis of the forming part 3, the relative position between the first heat exchanging part 8 and the shell 1, and the like, products with different shapes and structures can be processed and manufactured.
Generally, the embodiment of the utility model provides an extrusion moulding device have can make up in a flexible way changeable, convenient to use, the product type of preparation is various, product structure and characteristic are nimble adjustable, output obviously promote advantages such as.
On the other hand, the embodiment of the utility model provides a still provide an extruder, including the extrusion moulding device that any embodiment of the aforesaid provided, have above-mentioned extrusion moulding device's whole advantages. The embodiment of the utility model provides an in beneficial effect's of extruder derivation process is similar with the derivation process of above-mentioned extrusion moulding device's beneficial effect by a wide margin, and it is no longer repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (16)
1. An extrusion molding apparatus, comprising:
the device comprises a shell, a feeding device and a discharging device, wherein the shell is of a cylindrical structure with openings at two ends, and a connecting part used for being connected with a discharging hole of the extruding device is arranged at a feeding end of the shell;
the mandrel is arranged in the shell and forms an annular gap with the shell, the mandrel is relatively fixed with the shell, and the distance between the outer side wall of the tail end of the mandrel and the inner side wall of the shell is smaller than or equal to the distance between the outer side wall of the head end of the mandrel and the inner side wall of the shell.
2. The extrusion molding apparatus of claim 1 wherein the axis of the mandrel coincides with the axis of the housing.
3. The extrusion molding apparatus as claimed in claim 1 or 2, wherein the mandrel comprises:
the flow guide part is connected with the shell and is arranged inside the feeding end of the shell;
the forming part can be detachably connected with the flow guide part.
4. The extrusion molding apparatus as claimed in claim 3, wherein a flow guide surface is provided on an outer side surface of an end of the flow guide portion away from the molding portion, and a distance between the flow guide surface and an axis of the flow guide portion gradually increases in a direction approaching the molding portion.
5. The extrusion molding apparatus as claimed in claim 4, wherein an angle between the guide surface and an axis of the guide portion is 15 to 60 degrees.
6. The extrusion apparatus as described in claim 3, wherein the forming section includes a first section and a second section, the first section being located at an upstream position of the second section in the feeding direction, the first section and the second section being formed as an integral structure, a distance between an outer side wall of the first section and an inner side wall of the housing being larger than a distance between an outer side wall of the second section and the inner side wall of the housing.
7. The extrusion molding apparatus according to claim 6, wherein a plurality of the molding portions are provided, and any one of the molding portions is detachably connected to the flow guide portion;
the second segments of the plurality of profiles vary in size and/or in cross-sectional shape, the size of the second segments including the length and/or cross-sectional size of the second segments.
8. The extrusion molding apparatus of claim 6, wherein a transition bevel is disposed between the outer sidewall of the first section and the outer sidewall of the second section, and an included angle between the transition bevel and the axis of the molding portion is 0-60 degrees.
9. The extrusion molding apparatus of claim 1, wherein the trailing end of the mandrel is located inside the housing;
or the end surface of the tail end of the mandrel is flush with the end surface of the discharge end of the shell;
or, the tail end of the mandrel is positioned outside the shell.
10. The extrusion molding apparatus of claim 1, further comprising:
and the temperature control assembly is used for regulating and controlling the temperature of the shell and/or regulating and controlling the temperature of the mandrel.
11. The extrusion molding apparatus of claim 10, wherein the temperature control assembly comprises:
the first heat exchange part is provided with a first heat exchange channel for circulating a heat exchange medium, and the first heat exchange part is sleeved outside the shell;
and/or the second heat exchange part is provided with a second heat exchange channel for circulating a heat exchange medium, and the second heat exchange part is arranged in the mandrel;
and the first heat exchange part and the second heat exchange part are respectively provided with a medium inlet and a medium outlet for the heat exchange medium to enter and exit.
12. The extrusion molding apparatus as claimed in claim 11, wherein the first heat exchanging portion is movably provided on the housing, or the first heat exchanging portion is formed as an integrated structure with the housing.
13. The extrusion molding apparatus of claim 11, wherein the first heat exchange channel and the second heat exchange channel extend along a straight line;
or, the first heat exchange channel and the second heat exchange channel extend along a curve.
14. The extrusion molding apparatus of claim 6, further comprising:
the flow distribution plate is provided with a through hole for materials to pass through, and the flow distribution plate is arranged between the flow guide part and the shell or between the first section and the shell.
15. The extrusion molding apparatus of claim 1, wherein the connecting portion includes a connecting sleeve having a first end capable of being connected to the discharge port of the extrusion device, the connecting sleeve is sleeved outside the feed end of the housing, and a limiting structure is disposed between the second end of the connecting sleeve and the housing, the limiting structure being configured to limit the housing from coming off the second end of the connecting sleeve and to enable an axis of the connecting sleeve to coincide with an axis of the housing.
16. An extruder comprising the extrusion molding apparatus according to any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170925.5U CN216832399U (en) | 2021-12-15 | 2021-12-15 | Extrusion molding device and extruder |
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| CN114148024A (en) * | 2021-12-15 | 2022-03-08 | 沁海(上海)食品有限公司 | Extrusion molding device and extruder |
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Effective date of registration: 20230119 Address after: Floor 1, Building 6, Yard 8, Haixin Road, Huangcun Town, Daxing District, Beijing 102600 Patentee after: Qinhai (Beijing) Food Co.,Ltd. Address before: 200940 rooms 424 and 426, No. 388, Yongle Road, Baoshan District, Shanghai Patentee before: Qinhai (Shanghai) Food Co.,Ltd. |
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