Plastic extrusion device

By designing a connection device in a plastic extrusion device, and using the sliding connection between the clamp block and the clamp slot, the problem of difficulty in replacing the extrusion head is solved, and the convenience of replacement and processing efficiency are improved.

CN222727325UActive Publication Date: 2025-04-08JIANGXI HONGYI POLYMERIC MATERIALS
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Patent Information

Application Number
CN202420673170.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-04-08
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

When the extrusion head is blocked, it is difficult to replace the existing plastic extrusion device, which affects the plastic processing efficiency.

Method used

A plastic extrusion device including a connecting device is designed to facilitate installation and removal of the extrusion head through the sliding connection of the clamp block and the clamp slot, simplifying the replacement process.

Benefits of technology

It realizes rapid installation and disassembly of extrusion heads, simplifies the replacement process, and improves the efficiency and convenience of plastic processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a plastic extrusion device, which relates to the technical field of plastic processing. The utility model comprises a support frame, wherein an extrusion barrel is fixedly connected to the top of the support frame, a second motor is fixedly connected to one end of the extrusion barrel, a spiral rod is fixedly connected to the output end of the second motor, an extrusion head is arranged at one end of the extrusion barrel away from the second motor, a connecting device is arranged at one end of the extrusion barrel, a stirring barrel is arranged at the top of the extrusion barrel, a first motor is fixedly connected to the top of the stirring barrel, a stirring blade is fixedly connected to the output end of the first motor, a cleaning device is arranged at the bottom of the stirring blade, and when the connecting device is used, the extrusion head is manually sleeved on one end of the extrusion barrel, and then the positioning block is slid into the inside of the connecting groove, and then the extrusion head is well arranged at one end of the extrusion barrel, and the extrusion head and the extrusion barrel can be easily disassembled by reverse operation, so as to easily replace the extrusion head.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing, in particular to a plastic extrusion device. Background Art

[0002] A plastic extrusion device is a device used for plastic processing. When using the extrusion device, first place different types of plastics into a mixing barrel, so that a heating device melts the plastics, and then start the first motor after the plastics are melted, so that the first motor drives the stirring blades to stir. After the plastics are melted, manually rotate the threaded rod to move the baffle away from the bottom outlet of the mixing barrel, thereby exposing the filter screen, so that the melted plastic passes through the filter screen into the interior of the extrusion barrel, and then start the second motor, so that the second motor drives the screw rod to rotate, so that the melted plastic is extruded through the extruder head, thereby well realizing the mixed processing of different types of plastics.

[0003] The inventors have found in their daily work that there are still at least the following problems in plastic processing: when using a plastic extrusion device, the melted plastic is extruded by the rotating screw rod, and then the plastic is extruded out of the barrel. When the extrusion head is blocked, it needs to be replaced. However, in actual use, replacing the extrusion head is rather troublesome, which in turn affects the processing of the plastic to a certain extent. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a plastic extrusion device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plastic extrusion device, comprising a support frame, an extrusion barrel is fixedly connected to the top of the support frame, a second motor is fixedly connected to one end of the extrusion barrel, a spiral rod is fixedly connected to the output end of the second motor, an extrusion head is arranged at the end of the extrusion barrel away from the second motor, a connecting device is arranged at one end of the extrusion barrel, a stirring barrel is arranged at the top of the extrusion barrel, a first motor is fixedly connected to the top of the stirring barrel, a stirring blade is fixedly connected to the output end of the first motor, a cleaning device is arranged at the bottom of the stirring blade, a heating device is designed at the top of the stirring barrel, a threaded rod is rotatably inserted at one side of the stirring barrel, a baffle is provided on the surface thread sleeve of the threaded rod, a filter screen is arranged at the bottom of the stirring barrel, and the filter screen is slidably inserted on one side of the baffle, and the connecting device comprises a positioning block, the positioning block is fixedly connected to the top of the extrusion barrel, a connecting groove is opened at one side of the extrusion head, and the interior of the connecting groove is slidably connected to the positioning block.

[0006] The effect achieved by the above components is: when using the connecting device, the extruder head is manually sleeved on one end of the extruder barrel, and then the positioning block is slid into the inside of the connecting groove, so that the extruder head is well set at one end of the extruder barrel, and the reverse operation can easily disassemble the extruder head and the extruder barrel, so that the extruder head can be easily replaced.

[0007] Preferably, a first movable groove is provided on one side of the locking block, a rectangular block is slidably connected inside the first movable groove, a round rod is rotatably inserted on the side of the rectangular block away from the first movable groove, a locking strip is fixedly connected to one end of the round rod away from the rectangular block, a locking groove is provided on the top of the extrusion head, and the inner wall of the locking groove is slidably connected to the locking strip.

[0008] The effect achieved by the above components is: after the positioning block is slid into the inside of the connecting groove, the manually controlled positioning strip drives the round rod to rotate on one side of the rectangular block, so that the positioning strip is horizontal to the ground, and then the rectangular block is controlled to slide to the bottom of the first movable groove, and then the positioning strip is slid to the inner wall of the positioning groove, so as to well limit the extrusion head to one end of the extrusion barrel.

[0009] Preferably, the inner wall of the first movable groove is fixedly connected with a limiting rod, and the limiting rod is slidably inserted into the top of the rectangular block, and the surface of the limiting rod is sleeved with a first spring, one end of the first spring is fixedly connected to the bottom of the first movable groove, and one end of the first spring close to the first movable groove is fixedly connected to the bottom of the rectangular block.

[0010] The effect achieved by the above components is that when the connecting device is not in use, the rectangular block is pressed toward the limiting rod by the first spring, thereby controlling the locking bar to slide out of the locking slot, and then the locking block can slide out of the connecting slot.

[0011] Preferably, a second movable groove is opened on one side of the locking groove, and the inner wall of the second movable groove is slidably connected to a limiting strip.

[0012] The effect achieved by the above components is: after the positioning bar is slid into the positioning groove, the limiting bar is controlled to slide on the inner wall of the second movable groove, and then the positioning bar is limited inside the positioning groove by the limiting bar.

[0013] Preferably, a second spring is fixedly connected to one side of the inner wall of the locking groove, and one end of the second spring close to the second movable groove is fixedly connected to one end of the limiting strip.

[0014] The effect achieved by the above components is: the limiting strip is pressed toward the direction close to the second moving groove by the second spring, thereby effectively limiting the limiting strip to the top of the locking strip.

[0015] Preferably, the cleaning device includes a sliding rod, a sliding groove is provided at the bottom of the stirring blade, a circular plate is fixedly connected to the top of the sliding rod, the circular plate is slidably connected to the inner wall of the sliding groove, the bottom of the sliding rod is fixedly connected to a rectangular plate, and the bottom of the rectangular plate is evenly fixedly connected to a steel brush.

[0016] The effect achieved by the above components is: when using the cleaning device, the circular plate is controlled to slide inside the sliding groove, so that the steel brush is set on the top of the filter screen, and then the steel brush is driven to rotate when the stirring blade rotates, thereby effectively sweeping away the unmelted plastic particles on the surface of the filter screen, avoiding affecting the melted plastic from passing through the filter screen.

[0017] Preferably, a rectangular bar is fixedly connected to the top of the sliding groove, the rectangular bar is slidably inserted through the top of the circular plate, and the rectangular bar is slidably inserted on the top of the sliding rod.

[0018] The effect achieved by the above components is that the rectangular strip can drive the sliding rod and the stirring blade to rotate together when the stirring blade rotates.

[0019] Preferably, a third spring is fixedly connected to the top of the sliding slot, and one end of the third spring close to the sliding slot is fixedly connected to the top of the circular plate.

[0020] The effect achieved by the above components is: the circular plate is pressed in a direction away from the stirring blade by the third spring, and the circular plate can be controlled to move in a direction away from the stirring blade on the inner wall of the sliding groove.

[0021] In the utility model, by setting a connecting device, when using the connecting device, the extrusion head is manually sleeved on one end of the extrusion barrel, and then the positioning block is slid into the interior of the connecting groove, so that the extrusion head is well set on one end of the extrusion barrel. The reverse operation can easily disassemble the extrusion head and the extrusion barrel, so that the extrusion head can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional structural schematic diagram of a plastic extrusion device is proposed for the utility model;

[0023] Figure 2 This is a three-dimensional structural schematic diagram of a new type of limiting strip proposed in the utility model;

[0024] Figure 3 This is a three-dimensional structural schematic diagram of a novel clamping strip proposed in the utility model;

[0025] Figure 4 The three-dimensional structural diagram of the new steel brush proposed by the utility model;

[0026] In the figure: 1. support frame; 2. extrusion barrel; 3. second motor; 4. screw rod; 5. extrusion head; 6. connecting device; 601. connecting groove; 602. positioning groove; 603. positioning block; 604. first movable groove; 605. rectangular block; 606. limiting rod; 607. round rod; 608. positioning strip; 609. first spring; 610. second movable groove; 611. limiting strip; 612. second spring; 7. stirring barrel; 8. first motor; 9. cleaning device; 901. sliding groove; 902. sliding rod; 903. rectangular plate; 904. steel brush; 905. round plate; 906. rectangular strip; 907. third spring; 10. stirring blade; 11. filter screen; 12. threaded rod; 13. baffle; 14. heating device. DETAILED DESCRIPTION

[0027] Embodiment 1, as Figure 1-4 As shown, a plastic extrusion device is shown, wherein an extrusion barrel 2 is fixedly connected to the top of a support frame 1, a second motor 3 is fixedly connected to one end of the extrusion barrel 2, a screw rod 4 is fixedly connected to the output end of the second motor 3, an extrusion head 5 is arranged at the end of the extrusion barrel 2 away from the second motor 3, a connecting device 6 is arranged at one end of the extrusion barrel 2, a stirring barrel 7 is arranged at the top of the extrusion barrel 2, a first motor 8 is fixedly connected to the top of the stirring barrel 7, a stirring blade 10 is fixedly connected to the output end of the first motor 8, a cleaning device 9 is arranged at the bottom of the stirring blade 10, a heating device 14 is designed at the top of the stirring barrel 7, a threaded rod 12 is rotatably inserted at one side of the stirring barrel 7, a baffle 13 is arranged on the surface thread sleeve of the threaded rod 12, and a There is a filter screen 11, which is slidably inserted on one side of the baffle 13. When using the extruder, first place different types of plastics into the mixing barrel 7, so that the heating device 14 melts the plastic, and then starts the first motor 8 when it is melted, so that the first motor 8 drives the stirring blade 10 to stir. After the plastic is melted, manually rotate the threaded rod 12 to make the baffle 13 away from the bottom outlet of the mixing barrel 7, thereby exposing the filter screen 11, so that the melted plastic passes through the filter screen 11 into the interior of the extrusion barrel 2, and then starts the second motor 3, so that the second motor 3 drives the screw rod 4 to rotate, and then the melted plastic is extruded through the extruder head 5, thereby well realizing the mixed processing of different types of plastics.

[0028] Reference Figure 2 and Figure 3The connecting device 6 includes a positioning block 603, which is fixedly connected to the top of the extrusion barrel 2. A connecting groove 601 is provided on one side of the extrusion head 5. The interior of the connecting groove 601 is slidably connected to the positioning block 603. When using the connecting device 6, the extrusion head 5 is manually sleeved on one end of the extrusion barrel 2, and then the positioning block 603 is slid into the interior of the connecting groove 601, so that the extrusion head 5 is well set at one end of the extrusion barrel 2. The extrusion head 5 and the extrusion barrel 2 can be easily disassembled by reverse operation, so that the extrusion head 5 can be easily replaced. A first moving groove 604 is provided on one side of the positioning block 603, and a rectangular block 605 is slidably connected to the interior of the first moving groove 604. A round rod 607 is rotatably inserted on one side of the rectangular block 605 away from the first moving groove 604, and a positioning strip 608 is fixedly connected to one end of the round rod 607 away from the rectangular block 605. A positioning groove 602 is provided on the top of the extrusion head 5, and the inner wall of the positioning groove 602 is slidably connected to the positioning strip 608. After the positioning block 603 is slid into the inside of the connecting groove 601, the positioning strip 608 is manually controlled to drive the round rod 607 to rotate on one side of the rectangular block 605, so that the positioning strip 608 is horizontal to the ground, and then the rectangular block 605 is controlled to slide to the bottom of the first moving groove 604, and then the positioning strip 608 slides to the inner wall of the positioning groove 602, so that the extrusion head 5 is well restricted in the extrusion barrel. 2, the inner wall of the first moving groove 604 is fixedly connected to the limiting rod 606, the limiting rod 606 slides through and is inserted into the top of the rectangular block 605, the surface of the limiting rod 606 is sleeved with a first spring 609, one end of the first spring 609 is fixedly connected to the bottom of the first moving groove 604, and the end of the first spring 609 close to the first moving groove 604 is fixedly connected to the bottom of the rectangular block 605. When the connecting device 6 is not in use, the rectangular block 605 is squeezed toward the limiting rod 606 by the first spring 609, thereby controlling the positioning strip 608 to slide out of the positioning groove 602, and then the positioning block 603 can slide out of the connecting groove 601, and one side of the positioning groove 602 is opened. A second movable groove 610 is provided, and the inner wall of the second movable groove 610 is slidably connected to a limiting strip 611. After the locking strip 608 is slid into the interior of the locking groove 602, the limiting strip 611 is controlled to slide on the inner wall of the second movable groove 610, and then the locking strip 608 is limited inside the locking groove 602 through the limiting strip 611. A second spring 612 is fixedly connected to one side of the inner wall of the locking groove 602, and one end of the second spring 612 close to the second movable groove 610 is fixedly connected to one end of the limiting strip 611, and the limiting strip 611 is squeezed toward the direction close to the second movable groove 610 through the second spring 612, thereby limiting the limiting strip 611 well at the top of the locking strip 608.

[0029] Reference Figure 4The cleaning device 9 includes a sliding rod 902, a sliding groove 901 is provided at the bottom of the stirring blade 10, a circular plate 905 is fixedly connected to the top of the sliding rod 902, and the circular plate 905 is slidably connected to the inner wall of the sliding groove 901. A rectangular plate 903 is fixedly connected to the bottom of the sliding rod 902, and a steel brush 904 is evenly fixedly connected to the bottom of the rectangular plate 903. When the cleaning device 9 is used, the circular plate 905 is controlled to slide inside the sliding groove 901, so that the steel brush 904 is set on the top of the filter screen 11, and then the stirring blade 10 rotates to drive the steel brush 904 to rotate, thereby well sweeping away the unmelted plastic particles on the surface of the filter screen 11 to avoid affecting the melted plastic passing through. Filter screen 11, a rectangular bar 906 is fixedly connected to the top of the sliding groove 901, and the rectangular bar 906 slides through and is inserted in the top of the circular plate 905, and the rectangular bar 906 is slidably inserted in the top of the sliding rod 902. The function of the rectangular bar 906 is to drive the sliding rod 902 and the stirring blade 10 to rotate together when the stirring blade 10 rotates. A third spring 907 is fixedly connected to the top of the sliding groove 901, and one end of the third spring 907 close to the sliding groove 901 is fixedly connected to the top of the circular plate 905. The circular plate 905 is squeezed away from the stirring blade 10 by the third spring 907, and the circular plate 905 can be controlled to move in the direction away from the stirring blade 10 on the inner wall of the sliding groove 901.

[0030] Working principle: when using the extrusion device, firstly, different kinds of plastics are placed inside the mixing barrel 7, so that the heating device 14 melts the plastic, and then the first motor 8 is started when the plastic is melted, so that the first motor 8 drives the stirring blade 10 to stir, and when the plastic is melted, the threaded rod 12 is manually rotated to make the baffle 13 away from the bottom outlet of the mixing barrel 7, thereby exposing the filter screen 11, so that the melted plastic passes through the filter screen 11 into the interior of the extrusion barrel 2, and then the second motor 3 is started, so that the second motor 3 drives the screw rod 4 to rotate, and then the melted plastic is extruded through the extrusion head 5, thereby well realizing the mixed processing of different kinds of plastics, and when using the connecting device 6, the extrusion head 5 is manually sleeved on one end of the extrusion barrel 2, and then the positioning block 603 is slid into the interior of the connecting groove 601, and after the positioning block 603 is slid into the interior of the connecting groove 601, the positioning bar 608 is manually controlled to drive the round rod 607 to rotate on one side of the rectangular block 605, so that the positioning bar 608 is water-cooled. The first moving groove 604 is parallel to the ground, and the rectangular block 605 is controlled to slide to the bottom of the first moving groove 604, and the positioning strip 608 is slid to the inner wall of the positioning groove 602, and then the limiting strip 611 is squeezed in the direction close to the second moving groove 610 by the second spring 612, and the limiting strip 611 is well limited to the top of the positioning strip 608, and the extrusion head 5 is well set at one end of the extrusion barrel 2. The reverse operation can easily disassemble the extrusion head 5 and the extrusion barrel 2, and then the extrusion head 5 is very convenient to replace. When using the cleaning device 9, the circular plate 905 is squeezed in the direction away from the stirring blade 10 by the third spring 907, and then the circular plate 905 can be controlled to move in the direction away from the stirring blade 10 on the inner wall of the sliding groove 901, so that the steel brush 904 is set on the top of the filter screen 11, and then the stirring blade 10 rotates to drive the steel brush 904 to rotate, so as to well sweep away the unmelted plastic particles on the surface of the filter screen 11, so as to avoid affecting the melted plastic passing through the filter screen 11.

Claims

1. A plastic extrusion device, comprising a support frame (1), characterized in that: The top of the support frame (1) is fixedly connected to an extrusion barrel (2), one end of the extrusion barrel (2) is fixedly connected to a second motor (3), the output end of the second motor (3) is fixedly connected to a screw rod (4), an end of the extrusion barrel (2) away from the second motor (3) is provided with an extrusion head (5), one end of the extrusion barrel (2) is provided with a connecting device (6), a stirring barrel (7) is provided at the top of the extrusion barrel (2), the top of the stirring barrel (7) is fixedly connected to a first motor (8), the output end of the first motor (8) is fixedly connected to a stirring blade (10), and a cleaning device (6) is provided at the bottom of the stirring blade (10). 9), a heating device (14) is designed on the top of the mixing barrel (7), a threaded rod (12) is rotatably inserted on one side of the mixing barrel (7), a baffle (13) is threadedly sleeved on the surface of the threaded rod (12), a filter screen (11) is provided at the bottom of the mixing barrel (7), the filter screen (11) is slidably inserted on one side of the baffle (13), the connecting device (6) comprises a positioning block (603), the positioning block (603) is fixedly connected to the top of the extrusion barrel (2), and a connecting groove (601) is provided on one side of the extrusion head (5), the interior of the connecting groove (601) is slidably connected to the positioning block (603).

2. The plastic extrusion device according to claim 1, characterized in that: A first movable groove (604) is provided on one side of the positioning block (603), a rectangular block (605) is slidably connected inside the first movable groove (604), a round rod (607) is rotatably inserted on the side of the rectangular block (605) away from the first movable groove (604), a positioning strip (608) is fixedly connected to one end of the round rod (607) away from the rectangular block (605), a positioning groove (602) is provided on the top of the extruder head (5), and the inner wall of the positioning groove (602) is slidably connected to the positioning strip (608).

3. The plastic extrusion device according to claim 2, characterized in that: The inner wall of the first movable groove (604) is fixedly connected to a limiting rod (606), and the limiting rod (606) is slidably inserted into the top of the rectangular block (605). A first spring (609) is sleeved on the surface of the limiting rod (606), and one end of the first spring (609) is fixedly connected to the bottom of the first movable groove (604), and one end of the first spring (609) close to the first movable groove (604) is fixedly connected to the bottom of the rectangular block (605).

4. The plastic extrusion device according to claim 2, characterized in that: A second movable groove (610) is provided on one side of the locking groove (602), and an inner wall of the second movable groove (610) is slidably connected to a limiting strip (611).

5. The plastic extrusion device according to claim 2, characterized in that: A second spring (612) is fixedly connected to one side of the inner wall of the locking groove (602), and one end of the second spring (612) close to the second movable groove (610) is fixedly connected to one end of the limiting strip (611).

6. The plastic extrusion device according to claim 1, characterized in that: The cleaning device (9) comprises a sliding rod (902), a sliding groove (901) is provided at the bottom of the stirring blade (10), a circular plate (905) is fixedly connected to the top of the sliding rod (902), the circular plate (905) is slidably connected to the inner wall of the sliding groove (901), a rectangular plate (903) is fixedly connected to the bottom of the sliding rod (902), and a steel brush (904) is evenly fixedly connected to the bottom of the rectangular plate (903).

7. The plastic extrusion device according to claim 6, characterized in that: The top of the sliding groove (901) is fixedly connected with a rectangular bar (906), the rectangular bar (906) is slidably inserted through the top of the circular plate (905), and the rectangular bar (906) is slidably inserted on the top of the sliding rod (902).

8. The plastic extrusion device according to claim 6, characterized in that: A third spring (907) is fixedly connected to the top of the sliding groove (901), and one end of the third spring (907) close to the sliding groove (901) is fixedly connected to the top of the circular plate (905).