CN211467410U - Plastic extruder - Google Patents
Plastic extruder Download PDFInfo
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- CN211467410U CN211467410U CN201921775448.5U CN201921775448U CN211467410U CN 211467410 U CN211467410 U CN 211467410U CN 201921775448 U CN201921775448 U CN 201921775448U CN 211467410 U CN211467410 U CN 211467410U
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- charging barrel
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- extrusion
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Abstract
The utility model relates to a plastics processing field discloses a plastics extruder. The plastic extruder comprises an extrusion screw, and one end of the extrusion screw is provided with a discharge conical head; the extruding screw is arranged in the charging barrel, a discharging hole is formed in one end of the charging barrel, which corresponds to the discharging conical head, and the extruding screw can rotate around the axis of the extruding screw so as to convey the plastic flowing in a gap between the charging barrel and the extruding screw to the discharging conical head and is extruded and molded through the discharging hole; the charging barrel comprises a first section, a second section and a third section which are sequentially distributed along the axis direction of the charging barrel, wherein the first section is detachably connected with the second section, and the second section is detachably connected with the third section; and the extrusion driving piece is in transmission connection with one end of the extrusion screw rod, which is far away from the discharge conical head, and is used for driving the extrusion screw rod to rotate around the axis of the extrusion screw rod. The utility model discloses can save the manpower of unloading the section of thick bamboo and reduce and dismantle personnel injured's risk.
Description
Technical Field
The utility model relates to a plastic processing technology field especially relates to a plastic extruder.
Background
In the processing and production of plastics, solid plastics are often required to be transformed into a molten state for processing and shaping. The plastic products are usually processed by a plastic extruder, when the plastic extruder is used for a period of time longer than a certain period of time, a plurality of impurities and remainders are remained in the plastic extruder, which not only affects the quality of the extruded plastic, but also affects the service life of the plastic extruder, so that the interior of the plastic extruder needs to be cleaned regularly.
At present, the inside of plastics extruder need be whole to be pulled down the feed cylinder in the plastics extruder before cleaning, because the size and the weight of feed cylinder are all very big, the process of relying on the manpower to dismantle not only consumes the manpower, and injures people's risk very high.
How to save the manpower of dismantling the feed cylinder and reduce the risk of dismantling personnel injury is the technical problem that technical personnel in the field need to solve.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to: the utility model provides a plastic extruder, can save the manpower of unloading the section of thick bamboo and reduce the injured risk of dismantlement personnel.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a plastic extruder comprising:
one end of the extrusion screw is provided with a discharge conical head;
the extruding screw is arranged in the charging barrel, a discharging hole is formed in one end, corresponding to the discharging conical head, of the charging barrel, and the extruding screw can rotate around the axis of the extruding screw so as to convey the plastic flowing in a gap between the charging barrel and the extruding screw to the discharging conical head and be extruded and molded through the discharging hole; the charging barrel comprises a first section, a second section and a third section which are sequentially distributed along the axis direction of the charging barrel, wherein the first section is detachably connected with the second section, and the second section is detachably connected with the third section;
and the extrusion driving piece is in transmission connection with one end, far away from the discharge conical head, of the extrusion screw rod and is used for driving the extrusion screw rod to rotate around the axis of the extrusion screw rod.
Furthermore, one of the first section and the second section is provided with a first fixed block, the other one of the first section and the second section is provided with a first fixed groove capable of accommodating the first fixed block, the first fixed block and the first fixed groove are respectively provided with a first threaded hole in one-to-one correspondence, and a first bolt penetrates through the first threaded hole to connect the first fixed block and the first fixed groove.
Furthermore, one of the second section and the third section is provided with the second fixed block, the other one of the second section and the third section is provided with the second fixed groove, the second fixed block and the second fixed groove are respectively provided with a second threaded hole in one-to-one correspondence, and a second bolt penetrates through the second threaded hole to connect the second fixed block and the second fixed groove.
Further, still include the feeding hopper, the feeding hopper is located the feed cylinder is kept away from the one end of discharge gate, and with the feed cylinder intercommunication.
Further, the plastic barrel comprises a heater, wherein the heater is coated on the outer side of the barrel and used for heating the plastic in the barrel.
Further, the heating device also comprises an insulating layer, and the insulating layer is coated on the outer side of the heater.
Further, still include the blast pipe, the blast pipe is located the feed cylinder is close to the one end of discharge gate, and with the feed cylinder intercommunication.
Further, extrude driving piece including rotating motor, reduction gear and shaft coupling, the output of rotating motor with the input of reduction gear is connected, the output of reduction gear with the one end of shaft coupling is connected, the other end of shaft coupling with extrude the screw rod and connect.
Further, the cone angle of the discharging cone head is 45 degrees.
The utility model has the advantages that:
the utility model provides a feed cylinder among plastic extruder includes that it is along first section, second section and the third section that can dismantle the connection in proper order to dismantle the feed cylinder when clean, can demolish first section, second section and third section respectively when needs, compares with the current mode of directly demolising whole feed cylinder, and the section-by-section is demolishd the manpower that needs still less to and dismantlement personnel injured risk is also lower.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a plastic extruder according to an embodiment of the present invention;
fig. 2 is a schematic view of a cartridge according to an embodiment of the present invention.
In the figure:
1. extruding a screw;
2. a charging barrel; 21. a first stage; 22. a second stage; 23. a third stage; 24. a first fixed block; 25. a first fixing groove; 26. a second fixed block; 27. a second fixing groove; 28. a first threaded hole; 29. a second threaded hole;
3. rotating the motor;
4. a speed reducer;
5. a coupling;
6. a heat-insulating layer;
7. a feed hopper;
8. and (4) exhausting the gas.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the present embodiment provides a plastic extruder, which includes an extrusion screw 1, a cylinder 2 and an extrusion driving member, wherein the extrusion screw 1 is disposed in the cylinder 2, one end of the extrusion screw is provided with a discharge cone 14, the extrusion driving member is in transmission connection with the extrusion screw 1, one end of the cylinder 2 corresponding to the discharge cone 14 is provided with a discharge port, the extrusion screw 1 is driven by the extrusion driving member to rotate around its axis, and plastic flows to the discharge cone 14 in a gap between the cylinder 2 and the extrusion screw 1 and is extruded and molded from the discharge port.
Further, the charging barrel 2 comprises a first section 21, a second section 22 and a third section 23 which are sequentially distributed along the axial direction of the charging barrel, the first section 21 is detachably connected with the second section 22, the second section 22 is detachably connected with the third section 23, and a discharge hole is formed in one end, far away from the second section 22, of the third section 23. When the cartridge 2 needs to be dismantled for cleaning, the third, second and first sections 23, 22, 21 can be dismantled separately, requiring less manpower to dismantle segment by segment and a lower risk of injury to the dismantling personnel than in the prior art where the entire cartridge 2 is dismantled directly.
Further, as shown in fig. 2, one of the first section 21 and the second section 22 is provided with a first fixing block 24, the other is provided with a first fixing groove 25 capable of accommodating the first fixing block 24, each of the first fixing block 24 and the first fixing groove 25 is provided with a first threaded hole 28 corresponding to each other, and the first fixing block 24 and the first fixing groove 25 are connected by a first bolt passing through the first threaded hole 28. When it is desired to remove the cartridge 2 for cleaning, the first section 21 can be separated from the second section 22 by loosening the first screw and when it is desired to replace the cartridge 2, the first section 21 can be reconnected to the second section 22 by retightening the first screw.
Further, as shown in fig. 2, one of the second section 22 and the third section 23 is provided with a second fixing block 26, the other is provided with a second fixing groove 27, the second fixing block 26 and the second fixing groove 27 are respectively provided with a one-to-one corresponding second threaded hole 29, and the second fixing block 26 and the second fixing groove 27 are connected by a second bolt passing through the second threaded hole 29. When it is desired to remove the cartridge 2 for cleaning, the second section 22 can be separated from the third section 23 by loosening the second bolts, and when it is desired to replace the cartridge 2, the second section 22 can be reconnected to the third section 23 by retightening the second bolts.
Alternatively, the cartridge 2 may also be composed of more than three segments detachably connected in the direction of its axis.
Further, as shown in fig. 1, the plastic extruder further comprises a feeding hopper 7, the feeding hopper 7 is located at one end of the barrel 2 far away from the discharge port and is communicated with the barrel 2, and plastic enters the barrel 2 from the feeding hopper 7.
Further, the plastic extruder further comprises a heater which is coated on the outer side of the barrel 2 and is used for heating the plastic in the barrel 2 and melting the solid plastic entering from the feeding hopper 7 into the plastic in a molten state.
Further, as shown in fig. 1, the plastic extruder further comprises an insulating layer 6, and the insulating layer 6 is coated on the outer side of the heater, so that heat generated by the heater is reduced from being transferred outwards, and energy loss is reduced.
Further, as shown in fig. 1, the plastic extruder further comprises an exhaust pipe 8, the exhaust pipe 8 is located at one end, close to the discharge port, of the charging barrel 2 and is communicated with the charging barrel 2, air and water vapor in the charging barrel 2 can be discharged from the exhaust pipe 8, air bubbles and water vapor in the plastic are reduced, and the quality of the extruded plastic is improved.
Further, as shown in fig. 1, the extrusion driving member includes a rotating motor 3, a speed reducer 4 and a coupling 5, an output end of the rotating motor 3 is connected with an input end of the speed reducer 4, an output end of the speed reducer 4 is connected with one end of the coupling 5, and the other end of the coupling 5 is connected with the extrusion screw 1.
Preferably, the cone angle of the discharging cone head 14 is 45 °, so that the discharging process is smoother.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. A plastic extruder, comprising:
one end of the extrusion screw is provided with a discharge conical head;
the extruding screw is arranged in the charging barrel, a discharging hole is formed in one end, corresponding to the discharging conical head, of the charging barrel, and the extruding screw can rotate around the axis of the extruding screw so as to convey the plastic flowing in a gap between the charging barrel and the extruding screw to the discharging conical head and be extruded and molded through the discharging hole; the charging barrel comprises a first section, a second section and a third section which are sequentially distributed along the axis direction of the charging barrel, wherein the first section is detachably connected with the second section, and the second section is detachably connected with the third section;
and the extrusion driving piece is in transmission connection with one end, far away from the discharge conical head, of the extrusion screw rod and is used for driving the extrusion screw rod to rotate around the axis of the extrusion screw rod.
2. The plastic extruder as claimed in claim 1, wherein one of the first segment and the second segment is provided with a first fixing block, the other one is provided with a first fixing groove capable of accommodating the first fixing block, the first fixing block and the first fixing groove are respectively provided with a first screw hole corresponding to each other, and a first bolt passes through the first screw hole to connect the first fixing block and the first fixing groove.
3. The plastic extruder as claimed in claim 1, wherein one of the second segment and the third segment is provided with a second fixing block, the other one of the second segment and the third segment is provided with a second fixing groove, the second fixing block and the second fixing groove are respectively provided with a one-to-one corresponding second threaded hole, and a second bolt penetrates through the second threaded hole to connect the second fixing block and the second fixing groove.
4. The plastic extruder of claim 1, further comprising a feed hopper located at an end of the barrel remote from the discharge port and in communication with the barrel.
5. The plastic extruder claimed in claim 1, further comprising a heater wrapped outside the barrel for heating the plastic in the barrel.
6. The plastic extruder of claim 5, further comprising an insulating layer, wherein the insulating layer covers the outside of the heater.
7. The plastic extruder as claimed in claim 1, further comprising an exhaust pipe located at an end of the barrel near the discharge port and communicating with the barrel.
8. The plastic extruder of claim 1, wherein the extrusion driving member comprises a rotating motor, a reducer and a coupler, wherein an output end of the rotating motor is connected with an input end of the reducer, an output end of the reducer is connected with one end of the coupler, and the other end of the coupler is connected with the extrusion screw.
9. A plastics extruder according to any one of claims 1 to 8, wherein the discharge cone head has a cone angle of 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921775448.5U CN211467410U (en) | 2019-10-21 | 2019-10-21 | Plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921775448.5U CN211467410U (en) | 2019-10-21 | 2019-10-21 | Plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211467410U true CN211467410U (en) | 2020-09-11 |
Family
ID=72358906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921775448.5U Active CN211467410U (en) | 2019-10-21 | 2019-10-21 | Plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211467410U (en) |
-
2019
- 2019-10-21 CN CN201921775448.5U patent/CN211467410U/en active Active
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