CN218171323U - Improved cylinder for extruder - Google Patents
Improved cylinder for extruder Download PDFInfo
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- CN218171323U CN218171323U CN202222477943.6U CN202222477943U CN218171323U CN 218171323 U CN218171323 U CN 218171323U CN 202222477943 U CN202222477943 U CN 202222477943U CN 218171323 U CN218171323 U CN 218171323U
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- hole
- barrel
- extruder
- cooling
- material conveying
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Abstract
The application relates to the technical field of relevant equipment of extruders, in particular to an improved cylinder for an extruder, which comprises a cylinder body, wherein a material conveying channel is formed in the center of the cylinder body in a penetrating manner, a plurality of rings of cooling channels are sequentially arranged in the cylinder body along the axial direction of the cylinder body, and the cooling channels surround the material conveying channel; the cylinder is provided with a liquid inlet hole and a liquid outlet hole which are communicated with the cooling flow channel, and the liquid inlet hole and the liquid outlet hole are used for communicating a cooling medium with the cooling flow channel. This application has the effect that reduces the radial deformation that the barrel produced through the cooling medium heat transfer in-process.
Description
Technical Field
The application relates to the technical field of relevant equipment of extruders, in particular to an improved cylinder for an extruder.
Background
The screw extruder is a machine which can fully plasticize and uniformly mix materials in a material conveying channel by means of pressure and shearing force generated by rotation of a screw and can be molded through a neck mold. The machine barrel is an important component of the extruder, a material conveying channel for accommodating the screw rod to rotate and feed materials is arranged in the machine barrel, and a heating device and a cooling device for regulating and controlling the temperature of materials in the material conveying channel are arranged on the machine barrel.
The cooling flow channel is a component of a common cooling device, the conventional design is that a plurality of channels which are parallel to each other are uniformly distributed on the outer circumference of the material conveying channel, and a worker circularly fills a cooling medium into the cooling flow channel for cooling.
In view of the above-mentioned related technologies, the inventor found that, due to flow and structural limitations, when viewed from a cross section of the barrel perpendicular to its length direction, the flow of the cooling medium among different channels may have differences in sequence, flow and flow velocity, which may cause large temperature differences at different channels of the barrel in the cross section, and further cause thermal deformation of the barrel at two sides of its axis in the radial cross section, so that the barrel may generate radial deformation in the cross section perpendicular to its length direction.
SUMMERY OF THE UTILITY MODEL
In order to reduce the radial deformation that the barrel produced in passing through the cooling medium heat transfer process, this application provides an improvement barrel for extruder.
The application provides an improvement barrel for extruder adopts following technical scheme:
an improved machine barrel for an extruder comprises a barrel body, wherein a material conveying channel penetrates through the center of the barrel body, a plurality of rings of cooling channels are sequentially arranged in the barrel body along the self axial direction, and the cooling channels surround the material conveying channel;
the cylinder is provided with a liquid inlet hole and a liquid outlet hole which are communicated with the cooling flow channel, and the liquid inlet hole and the liquid outlet hole are used for communicating a cooling medium with the cooling flow channel.
By adopting the technical scheme, the thermal conditions of the cylinder on the section vertical to the length direction of the cylinder are axially and symmetrically distributed around the axis of the cylinder, so that the cooling effect of the cooling medium in the cylinder on the section vertical to the length direction of the cylinder is axially and symmetrically distributed, the temperature difference of the two opposite sides of the material conveying channel on the section of the cylinder body perpendicular to the length direction of the cylinder body can be reduced, the thermal deformation difference of the two sides is further reduced, and the radial deformation of the cylinder body is effectively weakened.
In a specific embodiment, a passage is provided between adjacent cooling channels.
Through adopting above-mentioned technical scheme, the passageway is in the same place a plurality of cooling runner intercommunications, and then makes the coolant who gets into along the feed liquor hole flow through each cooling runner after from going out the liquid hole and flow, and multilayer cooling runner is linked together and has increased the area of contact of coolant with the barrel, has prolonged the extension time of coolant in the barrel, can promote coolant's the rate of utilization, reinforcing cooling effect.
In a specific possible implementation scheme, flanges are respectively arranged at two ends of the cylinder, the liquid inlet hole is formed in one of the flanges, and the liquid outlet hole is formed in the other flange.
By adopting the technical scheme, the plurality of cylinders are fixedly connected with each other through the flanges to form the cylinder for accommodating the screw to feed materials in a rotating manner.
In a specific embodiment, the feed delivery channel is configured as a twin-screw channel.
By adopting the technical scheme, the shape of the material conveying channel is matched with the double screws, so that the smoothness of the double screws in rotating and feeding is favorably kept.
In a specific implementation scheme, a heating hole for inserting a heating rod is formed in the wall of the cylinder body.
Through adopting above-mentioned technical scheme, insert the heating rod in the heating hole, give the barrel heating when needs, can cooperate the cooling medium that flows in the cooling runner to carry out rapid, sensitive regulation and control to the temperature of barrel.
In a specific implementation mode, the cylinder body is provided with a temperature measuring hole extending towards the material conveying channel.
Through adopting above-mentioned technical scheme, insert the thermometer in the temperature measurement hole, but the temperature of real time monitoring barrel near defeated material passageway department.
In a specific possible implementation scheme, a plurality of positioning columns are arranged on one flange on the cylinder, the positioning columns are perpendicular to the outer end face of the flange and extend outwards, positioning holes are formed in the outer end face of the other flange corresponding to the positioning columns, and the positioning columns are matched with the positioning holes.
Through adopting above-mentioned technical scheme, through reference column and locating hole cooperation between two barrels to location when realizing connecting is favorable to reducing the radial deviation accumulation after a plurality of barrels are connected, is favorable to keeping the twin-screw wherein pivoted smooth nature.
In a specific possible implementation scheme, a sliding hole is formed in the flange, the positioning column is slidably arranged in the sliding hole, and a spring is arranged between the positioning column and the inner bottom wall of the sliding hole;
the side of flange orientation the sliding hole has seted up spacing hole, spacing hole intercommunication the sliding hole, two joint holes have been seted up in proper order along self axis direction to the reference column side, threaded connection has spacing bolt on the spacing hole, spacing bolt is used for pegging graft the joint hole is with fixed reference column.
Through adopting above-mentioned technical scheme, reference column sliding connection is in the sliding hole, and the reference column stretches out the sliding hole and by spacing bolt grafting spacing hole, joint hole when the barrel is spliced mutually to carry out the alignment of reference column and locating hole, when the barrel is dismantled and is deposited, the staff removes the reference column with spacing bolt fixed and compression spring make the reference column impress completely in the sliding hole, reuse spacing bolt grafting spacing hole, joint hole and fixed, be favorable to reducing the collision damage of reference column.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the cooling flow channel and the passage, the temperature difference of two opposite sides of the material conveying channel on the section of the cylinder body perpendicular to the length direction of the cylinder body can be reduced, so that the thermal deformation difference of the two sides is reduced, and the radial deformation of the cylinder body is effectively reduced;
2. the heating holes are arranged, so that the temperature of the cylinder can be quickly and sensitively regulated and controlled by matching with a cooling medium flowing in the cooling flow channel;
3. through setting up hole, reference column and the spacing bolt of sliding, be favorable to reducing the radial deviation accumulation after a plurality of barrels are connected, be favorable to reducing the collision damage of reference column.
Drawings
FIG. 1 is a schematic view of a display device for embodying the following characteristics in example 1 of the present application A structural schematic diagram of an improved cylinder for an extruder is provided.
FIG. 2 is a schematic representation of an extrusion process as described in example 1 of the present application machine modified barrel cooling flow path partial perspective view.
FIG. 3 is a schematic view of a display device for embodying the present invention in example 1 of the present application the extruder is provided with an internal structure section of an improved cylinder.
FIG. 4 is a schematic view of the embodiment 2 of the present application for embodying the following A structural schematic diagram of an improved cylinder for an extruder is provided.
Fig. 5 is a sectional view showing the internal structure of an improved barrel for an extruder in example 2 of the present application.
Reference number specification, 1, cylinder; 11. a material conveying channel; 12. a cooling flow channel; 13. a passage; 14. a temperature measuring hole; 15. heating the hole; 16. positioning holes; 17. a sliding hole; 2. a flange; 21. a liquid inlet hole; 22. a liquid outlet hole; 23. a limiting hole; 3. a positioning column; 31. a clamping hole; 4. a spring; 5. and a limiting bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses improvement barrel for extruder.
Example 1:
referring to fig. 1 and 2, an improved machine barrel for an extruder comprises a barrel body 1, a material conveying channel 11 for accommodating a screw rod to feed materials in a rotating mode is arranged in the center of the barrel body 1 in a penetrating mode along the axial direction of the barrel body, a plurality of circles of cooling flow channels 12 surrounding the material conveying channel 11 are sequentially arranged in the barrel body 1 along the axial direction of the barrel body, the flow channel direction of each cooling flow channel 12 is perpendicular to the axis of the barrel body 1 all the time, the longitudinal section of each cooling flow channel 12 is square, the number of the cooling flow channels is six, and the six cooling flow channels 12 are sequentially and uniformly arranged along the axial direction of the barrel body 1.
The cooling channel 12 is arranged around the material conveying channel 11, so that the thermal conditions of the cylinder 1 on the section perpendicular to the length direction of the cylinder 1 are axisymmetrically distributed around the axis of the cylinder 1, the cooling effect of a cooling medium on the section perpendicular to the length direction of the cylinder 1 is axisymmetrically distributed, the temperature difference of the two opposite sides of the material conveying channel 11 on the section perpendicular to the length direction of the cylinder 1 can be reduced, the thermal deformation difference of the two sides is reduced, and the radial deformation of the cylinder 1 is effectively weakened.
Referring to fig. 2 and 3, a passage 13 is provided between two adjacent cooling channels 12, in this embodiment, five passages 13 are provided, an axis of each passage 13 is perpendicular to an axis of a pipeline of the cooling channel 12, flanges 2 are integrally formed at two ends of the cylinder 1, a liquid inlet hole 21 communicating with the adjacent cooling channel 12 is formed in a side surface of one flange 2 in an extending manner, a liquid outlet hole 22 communicating with the adjacent cooling channel 12 is formed in a side surface of the other flange 2 in an extending manner, and a cooling medium flows through the six cooling channels 12 through the liquid inlet holes 21 and flows out from the liquid outlet holes 22, so as to cool the molten material in the cylinder 1 and the material conveying channel 11.
The passage 13 connects the plurality of cooling channels 12 together, so that the cooling medium entering along the liquid inlet hole 21 flows through each cooling channel 12 and then flows out of the liquid outlet hole 22, the plurality of layers of cooling channels 12 are connected to increase the contact area of the cooling medium and the barrel body 1, the extension time of the cooling medium in the barrel body 1 is prolonged, the utilization rate of the cooling medium is favorably improved, and the cooling effect is enhanced.
Referring to fig. 1 and 2, the material conveying channel 11 is a double-screw channel, the material conveying channel 11 penetrates through two ends of the cylinder 1, and the shape of the material conveying channel 11 is matched with the shape of the double screws, so that the smoothness of rotating and feeding the double screws in the material conveying channel is favorably maintained.
Referring to fig. 1 and 3, temperature measuring holes 14 are formed in the wall of the middle section of the barrel body 1 in an extending manner towards the center line of the material conveying channel 11, the axis of each temperature measuring hole 14 is perpendicular to the axis of the barrel body 1, the inner bottom wall of each temperature measuring hole 14 is close to the material conveying channel 11, in this embodiment, the number of the temperature measuring holes 14 is two, the two temperature measuring holes 14 are symmetrical with respect to the center of the axis of the barrel body 1, and a worker inserts a temperature measuring meter into each temperature measuring hole 14 to monitor the temperature in the barrel body close to the material conveying channel 11 in real time.
Referring to fig. 1, heating holes 15 are formed in the wall of the cylinder 1 in a penetrating manner, in this embodiment, the number of the heating holes 15 is four, the axis of each heating hole 15 is perpendicular to the axis of the temperature measuring hole 14, the four heating holes 15 are evenly distributed on two sides of the material conveying channel 11, a worker inserts a heating rod into each heating hole 15 and heats the cylinder 1 when needed, so that the temperature of the cylinder 1 is rapidly and sensitively regulated and controlled by a cooling medium flowing in the cooling channel 12, and the stability of temperature technological parameters in the extrusion molding process is favorably maintained.
The principle of implementation of an improved barrel for an extruder in example 1 is as follows: the material is carried by the melting in the defeated material passageway 11 of barrel 1, and each cooling runner 12 is communicated to the route 13, and the staff has feed liquor hole 21 with the coolant to input to each cooling runner 12, and the coolant has the export of liquid outlet hole 22, and the coolant cools off the melting material cooling in the defeated material passageway 11, measures the temperature of defeated material passageway 11 department through temperature measurement hole 14, heats barrel 1 through heating hole 15, realizes temperature control, and a plurality of barrels 1 are fixed connection each other through flange 2 when connecting.
Example 2:
referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that a positioning hole 16 is formed in an outer end surface of one flange 2 of the cylinder 1, an axis of the positioning hole 16 is parallel to an axis of the cylinder 1, the number of the positioning holes 16 is two in the present embodiment, and the two positioning holes 16 are symmetrically arranged about the axis of the cylinder 1. The end face of the other flange 2 is provided with a sliding hole 17, the sliding hole 17 is arranged corresponding to the positioning hole 16, the axis of the sliding hole 17 is collinear with the axis of the positioning hole 16, a positioning column 3 is arranged in the sliding hole 17 in a sliding mode, a spring 4 is arranged between the positioning column 3 and the inner bottom wall of the sliding hole 17, one end of the spring 4 is fixedly connected with the inner bottom wall of the sliding hole 17, the other end of the spring 4 is fixedly connected with the end face of the positioning column 3, a limiting hole 23 is formed in the side face of the flange 2 close to the sliding hole 17, the axis of the limiting hole 23 is perpendicular to and intersected with the axis of the sliding hole 17, the limiting hole 23 extends into the sliding hole 17, a limiting bolt 5 is screwed in the limiting hole 23, two clamping holes 31 are sequentially formed in the side face of the positioning column 3 along the axial direction of the side face, and the axes of the two clamping holes 31 are parallel to each other and perpendicular to the axis of the sliding hole 17.
When two barrels 1 are assembled, the limiting bolt 5 is inserted into the clamping hole 31 of the bottom wall of the positioning column 3 close to the sliding hole 17, the limiting bolt 5 and the limiting hole 23 are screwed tightly, the part of the positioning column 3 extends out of the sliding hole 17 and is fixed, and the extending part is inserted into the positioning hole 16 of the other barrel 1 to complete positioning.
When barrel 1 need be dismantled, stop bolt 5 is pulled down to the staff, and with reference column 3 to sliding hole 17 internal pushing top, spring 4 is compressed, reference column 3 inserts completely in sliding hole 17, keep away from the joint hole 31 of diapire in sliding hole 17 just to spacing hole 23 on reference column 3 this moment, the staff inserts stop bolt 5 in keeping away from the joint hole 31 of diapire in sliding hole 17 on reference column 3 in, and with stop bolt 5 and spacing hole 23 looks spiral shell tight, accomplish the fixed of reference column 3 and accomodate, be favorable to reducing the collision damage of reference column 3.
The implementation principle of the modified cylinder for the extruder in the example 2 is as follows: materials are melted and conveyed in a material conveying channel 11 of the barrel body 1, the passage 13 is communicated with each cooling flow channel 12, a worker inputs cooling media with a liquid inlet hole 21 into each cooling flow channel 12, the cooling media is output with a liquid outlet hole 22, the cooling media cools and cools the molten materials in the material conveying channel 11, the temperature of the material conveying channel 11 is measured through a temperature measuring hole 14, the barrel body 1 is heated through a heating hole 15, temperature control is achieved, when a plurality of barrel bodies 1 are connected, a positioning column 3 of one barrel body 1 is inserted into a positioning hole 16 of an adjacent barrel body 1 to complete positioning, and the positioning columns are mutually and fixedly connected through flanges 2.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an improvement barrel for extruder, includes barrel (1), barrel (1) center is run through and has been seted up defeated material passageway (11), its characterized in that: a plurality of rings of cooling runners (12) are sequentially arranged in the barrel (1) along the axial direction of the barrel, and the cooling runners (12) surround the material conveying channel (11);
the cylinder body (1) is provided with a liquid inlet hole (21) and a liquid outlet hole (22) which are communicated with the cooling flow channel (12), and the liquid inlet hole (21) and the liquid outlet hole (22) are used for communicating a cooling medium with the cooling flow channel (12).
2. The improved barrel for extruder of claim 1, wherein: a passage (13) is arranged between the adjacent cooling channels (12).
3. An improved barrel for an extruder in accordance with claim 2, wherein: flanges (2) are respectively arranged at two ends of the barrel body (1), a liquid inlet hole (21) is formed in one of the flanges (2), and a liquid outlet hole (22) is formed in the other flange (2).
4. The improved barrel for extruder of claim 1, wherein: the material conveying channel (11) is a double-screw channel.
5. The improved barrel for extruder of claim 1, wherein: the wall of the cylinder body (1) is provided with a heating hole (15) for inserting a heating rod.
6. The improved barrel for extruder of claim 1, wherein: the barrel body (1) is provided with a temperature measuring hole (14) extending towards the material conveying channel (11).
7. An improved barrel for an extruder as defined in claim 3, wherein: a plurality of positioning columns (3) extend outwards from the outer end face of one flange (2), positioning holes (16) are formed in the outer end face of the other flange (2) corresponding to the positioning columns (3), and the positioning columns (3) are matched with the positioning holes (16).
8. The improved barrel for an extruder of claim 7, wherein: a sliding hole (17) is formed in the flange (2), the positioning column (3) is arranged in the sliding hole (17) in a sliding mode, and a spring (4) is arranged between the positioning column (3) and the bottom wall of the sliding hole (17);
the side orientation of flange (2) spacing hole (23) have been seted up in slide hole (17), spacing hole (23) intercommunication slide hole (17), two joint holes (31) have been seted up along self axis direction in proper order to reference column (3) side, threaded connection has the gag lever post on spacing hole (23), the gag lever post is used for pegging graft joint hole (31) are with fixed reference column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477943.6U CN218171323U (en) | 2022-09-19 | 2022-09-19 | Improved cylinder for extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477943.6U CN218171323U (en) | 2022-09-19 | 2022-09-19 | Improved cylinder for extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218171323U true CN218171323U (en) | 2022-12-30 |
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ID=84623197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222477943.6U Active CN218171323U (en) | 2022-09-19 | 2022-09-19 | Improved cylinder for extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218171323U (en) |
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2022
- 2022-09-19 CN CN202222477943.6U patent/CN218171323U/en active Active
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