CN220808451U - Screw extrusion mandrel assembly capable of being cooled by water circulation - Google Patents
Screw extrusion mandrel assembly capable of being cooled by water circulation Download PDFInfo
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- CN220808451U CN220808451U CN202322621082.9U CN202322621082U CN220808451U CN 220808451 U CN220808451 U CN 220808451U CN 202322621082 U CN202322621082 U CN 202322621082U CN 220808451 U CN220808451 U CN 220808451U
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- pipe
- water
- mandrel
- water circulation
- shunt
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 238000001125 extrusion Methods 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a screw extruder extrusion mandrel assembly capable of being cooled by water circulation, which comprises a mandrel arranged in an extruder, wherein the mandrel is internally provided with the water circulation cooling assembly; the water circulation pipe, the shunt pipe and the connecting pipe are sequentially arranged in the middle of the mandrel in a combined mode; the water circulation pipe comprises a water outlet pipe and a water return pipe, the ends of the water outlet pipe and the water return pipe are connected and spirally arranged in the mandrel, the tail parts of the water outlet pipe and the water return pipe are connected and connected with a shunt pipe, and a shunt layer is arranged in the shunt pipe and the connecting pipe; according to the utility model, the water circulation cooling assembly is arranged in the mandrel, so that the cooling effect of the mandrel is achieved, and the water outlet pipe and the water return pipe are spirally arranged, so that the water outlet pipe and the water return pipe synchronously rotate when the mandrel rotates, the temperature conduction frequency of the mandrel can be synchronized, the cooling rate of the outer surface of the mandrel is uniform, the water circulation cooling is utilized, the cost consumption is reduced, and the cooling efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of extruders, in particular to a screw extrusion mandrel assembly capable of being cooled by water circulation.
Background
The screw extruder is used for heating and plasticizing the sizing material through the actions of screw extrusion, shearing, stirring and the like, is used for continuous extrusion of the mouth shape, and mainly comprises a screw, a machine barrel, a machine head, a feeding mechanism, a transmission device, a temperature control system and the like, wherein the internal temperature of the screw extruder is increased during working, the screw extruder needs to be cooled, and the screw extruder is cooled usually in a water cooling mode.
Most extruders on the market at present adopt the cooling mode through seting up the passageway in the barrel, lead to water in the passageway and cool off, but this cooling mode temperature conduction efficiency is lower, can only cool off the surface of material, and inside temperature cooling is slower, not only influences the extrusion quality of material, still influences the work efficiency of extruder.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a screw extruder extrusion mandrel assembly capable of realizing water circulation cooling of an extruder, fully utilizing water flow cooling and reducing cost.
Based on the technical problems in the background technology, the utility model provides a screw extrusion mandrel assembly capable of being cooled by water circulation, which comprises a mandrel arranged in an extruder, wherein the water circulation cooling assembly is arranged in the mandrel;
The water circulation cooling assembly comprises a water circulation pipe, a shunt pipe and a connecting pipe, and the water circulation pipe, the shunt pipe and the connecting pipe are sequentially arranged in the middle of the mandrel in a combined mode;
The water circulation pipe comprises a water outlet pipe and a water return pipe, the end parts of the water outlet pipe and the water return pipe are connected and spirally arranged inside the mandrel, the tail parts of the water outlet pipe and the water return pipe are connected and connected with a shunt pipe, the shunt pipe and the connecting pipe are internally provided with a shunt layer, and the shunt layer separates water flow of the water outlet pipe and the water return pipe.
Preferably, one end of the connecting pipe is also connected with a rotating bearing, and the rotating bearing is installed on the outer surface of the connecting pipe.
Preferably, one end of the rotating bearing is arranged outside the tail of the mandrel.
Preferably, the mandrel is divided into an extrusion end and a mounting end, a thread groove is formed in the outer surface of the extrusion end, the thread groove is spirally formed in the outer surface of the extrusion end, and the mounting end is connected to the tail of the extrusion end.
Preferably, the water outlet pipe and the water return pipe are spirally and alternately wound and arranged in the extrusion end, and the total length of the water circulation pipe is at least larger than that of the extrusion end.
Preferably, the shunt layer corresponds to the total length of the shunt tube and the connecting tube, and the width of the shunt layer in the shunt tube and the connecting tube corresponds to the inner diameters of the shunt tube and the connecting tube.
Compared with the prior art, the screw extrusion mandrel assembly capable of being cooled by water circulation provided by the utility model has the following technical effects:
According to the utility model, the water circulation cooling assembly is arranged in the mandrel to realize the cooling effect on the mandrel, and the water outlet pipe and the water return pipe are spirally arranged in the water circulation pipe in the mandrel, so that the water outlet pipe and the water return pipe synchronously rotate when the mandrel rotates, the temperature conduction frequency of the mandrel can be synchronized, the cooling rate of the outer surface of the mandrel is uniform, the water circulation cooling is utilized, the cost consumption is reduced, and the cooling efficiency is improved.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic diagram of a split structure of the present utility model;
FIG. 3 is a front view of the water circulation cooling module of the present utility model;
Fig. 4 is a sectional view showing a partial structure of the water circulation cooling module of the present utility model.
In the figure: 1. a mandrel; 101. an extrusion end; 102. a mounting end; 103. a spiral groove; 2. a water circulation pipe; 201. a water outlet pipe; 202. a water return pipe; 3. a shunt; 4. a connecting pipe; 401. a rotating bearing; 5. and a diversion layer.
Detailed Description
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1-4, the utility model provides a screw extrusion mandrel assembly capable of being cooled by water circulation, which comprises a mandrel 1 arranged in an extruder, wherein the mandrel 1 is internally provided with the water circulation cooling assembly;
specifically, the water circulation cooling assembly comprises a water circulation pipe 2, a shunt pipe 3 and a connecting pipe 4, and the water circulation pipe 2, the shunt pipe 3 and the connecting pipe 4 are sequentially arranged in the middle of the mandrel 1 in a combined mode;
in the embodiment, a spiral channel is arranged in the extruder, a screw mandrel 1 is arranged in the spiral channel, materials are uniformly mixed through rotary extrusion of the mandrel 1, a water circulation cooling assembly is arranged in the mandrel 1, and heat generated by rotation of the mandrel 1 is taken away by water flow, so that the purpose of cooling is achieved.
Specifically, the water circulation pipe 2 comprises a water outlet pipe 201 and a water return pipe 202, the end parts of the water outlet pipe 201 and the water return pipe 202 are connected and spirally arranged inside the mandrel 1, the tail parts of the water outlet pipe 201 and the water return pipe 202 are connected and are connected with a shunt pipe 3, a shunt layer 5 is arranged inside the shunt pipe 3 and the connecting pipe 4, and the shunt layer 5 separates water flows of the water outlet pipe 201 and the water return pipe 202.
The water circulation cooling assembly is combined with the shunt tube 3 and the connecting tube 4 by utilizing the water circulation tube 2 to form a complete water circulation process, the water circulation tube 2 at the front end is arranged in a spiral winding way by utilizing the water outlet tube 201 and the water return tube 202 to form a closed pipeline, so that water flows circulate in the tube, the head ends of the water outlet tube 201 and the water return tube 202 are closed at the same time, and the shunt layer 5 is arranged at the tail end, so that the two water flows flow clearly and do not influence each other;
In the running process of the mandrel 1, the mandrel rotates to drive the internal water circulation cooling assembly to rotate, the water outlet pipe 201 and the water return pipe 202 in the water circulation pipe 2 also rotate along with the mandrel, water flows in the water circulation pipe 2 and synchronously flows along with the rotation of the mandrel 1, and the temperature of the water flows is uniformly conducted to the outer surface of the mandrel due to the spiral arrangement of the water circulation pipe 2, so that the purpose of uniform cooling is achieved, and the conditions that the cooling is nonuniform and the quality of materials does not reach the standard are avoided.
Referring to fig. 2, a swivel bearing 401 is further connected to one end of the connection pipe 4, and the swivel bearing 401 is installed on the outer surface of the connection pipe 4.
Specifically, one end of the rotation bearing 401 is disposed outside the tail of the spindle 1.
In this embodiment, the swivel bearing 401 that connecting pipe 4 one end set up is used for connecting outside water tank for provide certain water yield and support, be convenient for the normal operating of hydrologic cycle cooling module, simultaneously because dabber 1's rotation, outside water tank should be installed at the installation end 102 tail end, avoid rotating and lead to the water tank unstable, in this hydrologic cycle cooling module, need with go out water and return water part separately, avoid chaotic cooling effect that leads to is not ideal.
Referring to fig. 1, a mandrel 1 is divided into an extrusion end 101 and a mounting end 102, wherein a thread groove 103 is formed on the outer surface of the extrusion end 101, the thread groove 103 is spirally formed on the outer surface of the extrusion end 101, and the mounting end 102 is connected to the tail of the extrusion end 101.
The mandrel 1 is formed by friction extrusion of materials and the inside of a spiral channel of an extruder through a thread groove 103 on the outer surface of an extrusion end 101, so that the materials are fully mixed, then the materials move to a die along the advancing direction of the thread groove 103, and finally extrusion molding is performed;
On the mandrel 1, the extrusion end 101 will rotate at a certain rate, the mounting end 102 is usually fixedly mounted at the tail end of the extruder, the feed opening is usually arranged above the end of the extrusion end 101, and the material falls directly onto the screw groove 103 of the extrusion end 101 along the feed opening.
Referring to fig. 3, the water outlet pipe 201 and the water return pipe 202 are spirally and alternately wound inside the extrusion end 101, and the total length of the water circulation pipe 2 should be at least greater than the length of the extrusion end 101.
In this embodiment, the total length of the water circulation pipe 2 should be greater than the length of the extrusion end 101, so as to ensure that the water circulation cooling can cover the whole extrusion end 101, and prevent the condition that a certain section is not cooled or cooled too slowly from affecting the output of the whole material.
Referring to fig. 4, the shunt layer 5 corresponds to the total length of the shunt tube 3 and the connection tube 4, and the width of the shunt layer 5 in the shunt tube 3 and the connection tube 4 corresponds to the inner diameters of the shunt tube 3 and the connection tube 4.
The diversion layer 5 plays an important water flow layering role in the integral water circulation cooling assembly, adopts materials with weak temperature conduction and high strength, separates the water flow in the water outlet pipe 201 and the water return pipe 202, and because the water flow in the water return pipe 202 has higher temperature, the diversion layer 5 is required to be used for blocking in order to avoid influencing the water temperature in the water outlet pipe 201, and is required to be blocked and sealed, tightness is ensured until water is pumped into the water tank, namely the diversion layer 5 is arranged at the tail ends of the diversion pipe 3, the connecting pipe 4 and part of the water circulation pipe 2.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The screw extruder extrusion mandrel assembly capable of being cooled by water circulation is characterized by comprising a mandrel (1) arranged in an extruder, wherein the mandrel (1) is internally provided with the water circulation cooling assembly;
The water circulation cooling assembly comprises a water circulation pipe (2), a shunt pipe (3) and a connecting pipe (4), and the water circulation pipe (2), the shunt pipe (3) and the connecting pipe (4) are sequentially arranged in the middle of the mandrel (1) in a combined mode;
The water circulation pipe (2) comprises a water outlet pipe (201) and a water return pipe (202), the end parts of the water outlet pipe (201) and the water return pipe (202) are connected and spirally arranged inside the mandrel (1), the tail parts of the water outlet pipe (201) and the water return pipe (202) are connected and connected with a shunt pipe (3), the shunt pipe (3) and the connecting pipe (4) are internally provided with a shunt layer (5), and the shunt layer (5) divides water flow of the water outlet pipe (201) and the water return pipe (202).
2. A screw extrusion mandrel assembly capable of being cooled by water circulation according to claim 1, wherein one end of the connecting pipe (4) is further connected with a rotating bearing (401), and the rotating bearing (401) is mounted on the outer surface of the connecting pipe (4).
3. A water-circulatingly coolable screw extrusion mandrel assembly according to claim 2, characterized in that one end of the swivel bearing (401) is arranged outside the tail of the mandrel (1).
4. The screw extruder extrusion mandrel assembly capable of being cooled by water circulation according to claim 1, wherein the mandrel (1) is divided into an extrusion end (101) and a mounting end (102), a thread groove (103) is formed in the outer surface of the extrusion end (101), the thread groove (103) is spirally formed in the outer surface of the extrusion end (101), and the mounting end (102) is connected to the tail of the extrusion end (101).
5. The screw extruder mandrel assembly capable of being cooled by water circulation according to claim 4, wherein the water outlet pipe (201) and the water return pipe (202) are spirally and alternately wound and arranged inside the extrusion end (101), and the total length of the water circulation pipe (2) is at least larger than the length of the extrusion end (101).
6. The screw extrusion mandrel assembly capable of being cooled by water circulation according to claim 1, wherein the shunt layer (5) corresponds to the total length of the shunt tube (3) and the connecting tube (4), and the width of the shunt layer (5) in the shunt tube (3) and the connecting tube (4) corresponds to the inner diameters of the shunt tube (3) and the connecting tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322621082.9U CN220808451U (en) | 2023-09-26 | 2023-09-26 | Screw extrusion mandrel assembly capable of being cooled by water circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322621082.9U CN220808451U (en) | 2023-09-26 | 2023-09-26 | Screw extrusion mandrel assembly capable of being cooled by water circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220808451U true CN220808451U (en) | 2024-04-19 |
Family
ID=90708600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322621082.9U Active CN220808451U (en) | 2023-09-26 | 2023-09-26 | Screw extrusion mandrel assembly capable of being cooled by water circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220808451U (en) |
-
2023
- 2023-09-26 CN CN202322621082.9U patent/CN220808451U/en active Active
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