Extruder not prone to being blocked by thermoplastic elastomer

By setting up an adjustment plate in the thermoplastic elastomer extruder, the alternating use and cleaning of the extrusion outlets is solved, and the problem of raw material is improved, the smoothness of processing and the practicality of the extruder are improved.

CN222590640UActive Publication Date: 2025-03-11KELCOMY (GUANGZHOU) HIGH-TECH MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202420980721.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-03-11
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

The existing thermoplastic elastomer extruders are prone to the problem of raw material blockage during processing, which leads to the impact of subsequent processing.

Method used

By providing an adjustment plate in the extruder, alternate use of the extrusion outlet is allowed, thereby facilitating the cleaning of thermoplastic elastomer raw materials adhered to the extrusion outlet and avoiding clogging.

Benefits of technology

It effectively avoids raw material blockage, ensures smooth processing of thermoplastic elastomers, and improves the practicality of the extruder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222590640U_ABST
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Abstract

The utility model provides a thermoplastic elastomer extrusion machine not easy to block, which comprises a machine body, a feeding box is fixedly arranged at the top of one end of the machine body, an anti-blocking mechanism is arranged on one side of the feeding box, the anti-blocking mechanism comprises a fixed box, and a transmission mechanism is arranged in the fixed box. And by adjusting the adjusting plate, the extrusion openings can be conveniently and alternately used, so that thermoplastic elastomer raw materials adhered to the interior of the other extrusion opening are cleaned, the raw materials are prevented from influencing subsequent processing and using of thermoplastic elastomers, and the practicability is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to an extruder which is not easy to be blocked by a thermoplastic elastomer. Background Art

[0002] Thermoplastic elastomer is artificial rubber or synthetic rubber. During the processing of thermoplastic elastomer, an extruder is required to extrude the thermoplastic elastomer into shape.

[0003] A Chinese utility model patent with publication number CN208930672U discloses an extruder for processing thermoplastic elastomers, including a bottom plate, a box body is fixedly connected to the top of the bottom plate, a conveying box is fixedly connected to the top of the left side of the box body, a first motor is arranged on the right side of the top of the bottom plate, a rotating shaft is fixedly connected to the output end of the first motor, the left side of the rotating shaft penetrates into the inner cavity of the box body, a second gear is fixedly connected to the surface of the rotating shaft, a first gear is meshed with the top of the second gear, and an extrusion screw is fixedly connected to the inner cavity of the first gear; the diameter of the outlet position of the conveying box is reduced, and after the raw materials inside the conveying box are discharged, part of the raw materials are always blocked at the outlet position, which makes it inconvenient to clean the outlet of the conveying box.

[0004] To this end, the utility model provides a thermoplastic elastomer which is not easy to block an extruder. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a thermoplastic elastomer that is not easy to clog the extruder, so as to solve the problems raised in the above-mentioned background technology. The utility model facilitates the alternating use of the extrusion ports by adjusting the adjustment plate, thereby cleaning the thermoplastic elastomer raw material adhered to the inside of another extrusion port, avoiding the raw material affecting the subsequent processing and use of the thermoplastic elastomer, and has high practicality.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a thermoplastic elastomer extruder that is not easy to clog, including a body, a feed box is fixedly arranged on the top of one end of the body, and an anti-clogging mechanism is arranged on one side of the feed box. The anti-clogging mechanism includes a fixed box, and a transmission mechanism is arranged inside the fixed box. The transmission mechanism includes a pulley mechanism, a rotating rod, a cam and a sliding rod. A feeding screw is rotatably arranged inside the body, and one end of the feeding screw is rotatably arranged inside the fixed box. The other end of the body is provided with an extrusion port through a fixed plate and an adjusting plate, and the fixed plate is fixedly arranged on the outside of the other end of the body. The adjusting plate is limitedly slidably installed on one side of the fixed plate, and the extrusion ports are symmetrically fixed at both ends of the adjusting plate. Brackets are fixedly arranged at the bottom of both ends of the body.

[0007] Furthermore, the fixed box is fixedly arranged at one end of the machine body, a servo motor is fixedly arranged on one side of the fixed box, and an output shaft of the servo motor is fixedly connected to one end of the feeding screw.

[0008] Furthermore, the rotating rod is limitedly rotatably installed inside the fixed box, the pulley mechanism is arranged between the rotating rod and one end of the feeding screw, the pulley mechanism includes a belt and a pulley, the pulley is fixedly arranged on the rotating rod and one end of the feeding screw, and the belt is movably arranged between the pulleys.

[0009] Furthermore, the cam is fixedly installed on the other end of the rotating rod, and a sliding groove is opened on the side walls of the feed box and the fixed box. The sliding rod is limitedly slidably installed inside the sliding groove. A side annular groove is opened on one side of the cam, and one end of the sliding rod is limitedly slidably set inside the side annular groove.

[0010] Furthermore, a push rod is fixedly provided on one side of the other end of the sliding rod, a through hole is provided at the bottom of the feed box and the machine body, the push rod is arranged above the through hole, and a feed port is provided at the top of the feed box.

[0011] Furthermore, a baffle is fixedly installed on the outer side of the slide rod, and the baffle is close to the inner wall of the feed box and blocks one side of the slide groove.

[0012] Furthermore, a limiting groove is provided on one side of the fixing plate, convex edges are provided on both sides of the adjusting plate, the convex edges are slidably arranged inside the limiting groove, and fastening bolts are screwedly installed on both sides of the top end of the fixing plate through screw holes.

[0013] Furthermore, a sealing ring is movably provided inside the inner wall of the other end of the body through a limit rod, and the limit rod is symmetrically fixed on one side of the top and bottom ends of the sealing ring. The limit rod is in a "T" shape, and a spring is fixedly provided between the limit rod and the body. An annular groove is provided on the corresponding adjustment plate on one side of the extrusion port, and the sealing ring is installed inside the annular groove.

[0014] The beneficial effects of the utility model are as follows: the utility model is a thermoplastic elastomer extruder which is not easy to be blocked. By moving the adjustment plate on one side of the fixed plate, the convex edge slides inside the limiting groove. The adjustment of the adjustment plate can facilitate the alternate adjustment and use of the extrusion port. The other extrusion port is separated from the machine body, so it is convenient to clean the thermoplastic elastomer raw material adhered to the inside of the other extrusion port, so as to avoid the raw material affecting the subsequent processing and use of the thermoplastic elastomer. The set fastening bolts can fix the adjustment plate. The set sealing ring can be stuck in the annular groove by the limiting rod and the spring, so as to seal between the machine body and the extrusion port. The practicality of the extruder is high. The through hole can be squeezed by the servo motor, the feeding screw, the rotating rod, the pulley mechanism, the cam, the sliding rod, and the push rod, so as to avoid clogging at the bottom of the feed box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a thermoplastic elastomer that is not easy to clog an extruder according to the utility model;

[0016] Figure 2 This is a front cross-sectional view of a thermoplastic elastomer that is not easy to clog an extruder according to the utility model;

[0017] Figure 3 The utility model discloses a thermoplastic elastomer which is not easy to block the extruder. Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This is a structural diagram of an extrusion port of an extruder that is not easy to clog with a thermoplastic elastomer according to the utility model;

[0019] Figure 5 This is a structural diagram of a sealing ring of a thermoplastic elastomer that is not easy to clog an extruder according to the utility model;

[0020] In the figure: 1. body; 2. feed box; 3. feed port; 4. fixing box; 5. servo motor; 6. bracket; 7. fixing plate; 8. adjusting plate; 9. extrusion port; 10. fastening bolt; 11. feed screw; 12. rotating rod; 13. pulley mechanism; 14. cam; 15. sliding rod; 16. push rod; 17. baffle; 18. annular groove; 19. sealing ring; 20. limit rod. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] See also Figures 1 to 5The utility model provides a technical solution: a thermoplastic elastomer is not easy to be blocked extruder, comprising a machine body 1, a feed box 2 is fixedly arranged on the top of one end of the machine body 1, an anti-blocking mechanism is arranged on one side of the feed box 2, the anti-blocking mechanism comprises a fixed box 4, a transmission mechanism is arranged inside the fixed box 4, the transmission mechanism comprises a pulley mechanism 13, a rotating rod 12, a cam 14 and a sliding rod 15, a feeding screw 11 is rotatably arranged inside the machine body 1, one end of the feeding screw 11 is rotatably arranged inside the fixed box 4, an extrusion port 9 is arranged at the other end of the machine body 1 through a fixed plate 7 and an adjusting plate 8, the fixed plate 7 is fixedly arranged on the outside of the other end of the machine body 1, the adjusting plate 8 is limitedly slidably installed on one side of the fixed plate 7, the extrusion port 9 is symmetrically fixedly arranged at both ends of the adjusting plate 8, and brackets 6 are fixedly arranged at the bottom of both ends of the machine body 1, by moving the adjusting plate 8 on one side of the fixed plate 7 and alternately adjusting the extrusion port 9, the thermoplastic elastomer raw material adhering to the extrusion port 9 can be cleaned, the operation is simple, and the use is convenient.

[0023] In this embodiment, the fixed box 4 is fixedly arranged at one end of the machine body 1, and a servo motor 5 is fixedly arranged on one side of the fixed box 4. The output shaft of the servo motor 5 is fixedly connected to one end of the feeding screw 11, and the rotating rod 12 is limitedly rotated and installed inside the fixed box 4. The pulley mechanism 13 is arranged between the rotating rod 12 and one end of the feeding screw 11. The pulley mechanism 13 includes a belt and a pulley. The pulley is fixedly arranged on the rotating rod 12 and one end of the feeding screw 11, and the belt is movably arranged between the pulleys. The cam 14 is fixedly installed on the other end of the rotating rod 12. Slide grooves are provided on the side walls of the feed box 2 and the fixed box 4. The slide rod 15 is limitedly slidably installed inside the slide groove. A side annular groove is provided on one side of the cam 14, and one end of the slide rod 15 is limitedly slidably arranged inside the side annular groove. A push rod 16 is fixedly provided on one side of the other end of the slide bar 15, a through hole is provided at the bottom of the feed box 2 and the machine body 1, the push rod 16 is arranged above the through hole, a feed port 3 is provided on the top of the feed box 2, a baffle 17 is fixedly installed on the outer side of the slide bar 15, the baffle 17 is close to the inner wall of the feed box 2 and blocks one side of the slide groove, the servo motor 5 drives the feeding screw 11 to rotate inside the machine body 1, and at the same time, the feeding screw 11 drives the rotating rod 12 to rotate through the pulley mechanism 13, and the rotating rod 12 drives the slide bar 15 to slide back and forth inside the slide groove through the cam 14, and the slide bar 15 drives the push rod 16 to enter and exit the through hole, so as to facilitate the dredging of the through hole and avoid the through hole being blocked by raw materials. The baffle 17 can prevent the raw materials inside the feed box 2 from entering the inside of the fixed box 4, so as to avoid affecting the anti-blocking mechanism.

[0024] In this embodiment, a limiting groove is provided on one side of the fixing plate 7, and convex edges are provided on both sides of the adjusting plate 8. The convex edges are slidably arranged inside the limiting groove. Fastening bolts 10 are screwed and installed on both sides of the top of the fixing plate 7 through screw holes. A sealing ring 19 is movably arranged inside the inner wall of the other end of the body 1 through a limiting rod 20. The limiting rod 20 is symmetrically fixed on one side of the top and bottom ends of the sealing ring 19. The limiting rod 20 is in a "T" shape. A spring is fixedly arranged between the limiting rod 20 and the body 1. An annular groove 18 is provided on the adjusting plate 8 corresponding to one side of the extrusion port 9, and the sealing ring 19 is installed inside the annular groove 18. The fastening bolt 10 is loosened, and the adjusting plate 8 is lifted and slid by the action of the limiting groove and the convex edge, so that the top and bottom extrusion ports 9 are alternately aligned with the machine body 1, so as to facilitate the alternate cleaning of the extrusion port 9 and the use. The sealing ring 19 is stuck in the annular groove 18 by the action of the limiting rod 20 and the spring, so as to facilitate the sealing between the extrusion port 9 and the machine body 1 and facilitate the subsequent processing of the thermoplastic elastomer.

[0025] When the thermoplastic elastomer is not easy to clog the extruder, the extruder is placed on a flat ground through the bracket 6, the adjustment plate 8 is installed on one side of the fixed plate 7 through the convex edge and the limit groove, and the adjustment plate 8 is slid up and down to align the top extrusion port 9 with one end of the body 1. When the adjustment plate 8 moves, it can squeeze the sealing ring 19, and the sealing ring 19 compresses the spring through the limit rod 20. After the sealing ring 19 is aligned with the annular groove 18, it can be stuck in the inside of the annular groove 18 under the elastic force of the spring, and the fastening bolt 10 is tightened. The adjusting plate 8 is squeezed and fixed by the fastening bolt 10, so as to seal the body 1 and the extrusion port 9, and the thermoplastic elastomer raw material is added to the inside of the feed box 2 through the feed port 3. The thermoplastic elastomer raw material enters the inside of the body 1 through the through hole, and The servo motor 5 drives the feeding screw 11 to rotate, and the feeding screw 11 rotates inside the machine body 1 and conveys the thermoplastic elastomer raw material to the right end and the extrusion port 9. At the same time, the feeding screw 11 drives the rotating rod 12 to rotate through the pulley mechanism 13, and the rotating rod 12 drives the cam 14 to rotate. The cam 14 drives the slide bar 15 to slide up and down inside the slide groove through the side annular groove. The slide bar 15 drives the push rod 16 to convey the through hole to prevent the through hole from being blocked by the thermoplastic elastomer raw material; when the blocked extrusion port 9 needs to be cleaned, stop the machine, loosen the fastening bolt 10, move the adjustment plate 8 upward, and adjust the bottom extrusion port 9 upward so that the bottom extrusion port 9 is aligned with the machine body 1, and the top extrusion port 9 is separated from the fixed plate 7, so that the top extrusion port 9 can be cleaned.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A thermoplastic elastomer that is not easy to clog an extruder, comprising a body (1), characterized in that: A feed box (2) is fixedly arranged on the top of one end of the machine body (1), and an anti-blocking mechanism is arranged on one side of the feed box (2). The anti-blocking mechanism includes a fixed box (4), and a transmission mechanism is arranged inside the fixed box (4). The transmission mechanism includes a pulley mechanism (13), a rotating rod (12), a cam (14) and a sliding rod (15). A feed screw (11) is rotatably arranged inside the machine body (1), and one end of the feed screw (11) is rotatably arranged inside the fixed box (4). An extrusion port (9) is arranged at the other end of the machine body (1) through a fixed plate (7) and an adjusting plate (8). The fixed plate (7) is fixedly arranged on the outer side of the other end of the machine body (1), and the adjusting plate (8) is limitedly slidably installed on one side of the fixed plate (7). The extrusion port (9) is symmetrically fixedly arranged at both ends of the adjusting plate (8), and brackets (6) are fixedly arranged at the bottom of both ends of the machine body (1).

2. A thermoplastic elastomer that is not easy to clog the extruder according to claim 1, characterized in that: The fixed box (4) is fixedly arranged at one end of the machine body (1), a servo motor (5) is fixedly arranged on one side of the fixed box (4), and an output shaft of the servo motor (5) is fixedly connected to one end of the feeding screw (11).

3. A thermoplastic elastomer that is not easy to clog the extruder according to claim 2, characterized in that: The rotating rod (12) is installed in a limited rotation manner inside the fixed box (4), and the pulley mechanism (13) is arranged between the rotating rod (12) and one end of the feeding screw (11). The pulley mechanism (13) includes a belt and a pulley, and the pulley is fixedly arranged on the rotating rod (12) and one end of the feeding screw (11), and the belt is movably arranged between the pulleys.

4. A thermoplastic elastomer that is not easy to clog the extruder according to claim 3, characterized in that: The cam (14) is fixedly mounted on the other end of the rotating rod (12); a slide groove is provided on the side walls of the feed box (2) and the fixed box (4); the slide rod (15) is limitedly slidably mounted inside the slide groove; a side annular groove is provided on one side of the cam (14); one end of the slide rod (15) is limitedly slidably arranged inside the side annular groove.

5. A thermoplastic elastomer that is not easy to clog the extruder according to claim 4, characterized in that: A push rod (16) is fixedly provided on one side of the other end of the slide rod (15); a through hole is provided at the bottom of the feed box (2) and the machine body (1); the push rod (16) is arranged above the through hole; and a feed port (3) is provided at the top of the feed box (2).

6. A thermoplastic elastomer that is not easy to clog the extruder according to claim 5, characterized in that: A baffle (17) is fixedly mounted on the outer side of the slide bar (15), and the baffle (17) is attached to the inner wall of the feed box (2) and blocks one side of the slide groove.

7. The thermoplastic elastomer that is not easy to clog the extruder according to claim 1, characterized in that: A limiting groove is provided on one side of the fixing plate (7), and convex edges are provided on both sides of the adjusting plate (8). The convex edges are slidably arranged inside the limiting groove, and fastening bolts (10) are screwed and installed on both sides of the top end of the fixing plate (7) through screw holes.

8. A thermoplastic elastomer that is not easy to clog the extruder according to claim 7, characterized in that: A sealing ring (19) is movably arranged inside the inner wall of the other end of the body (1) via a limiting rod (20), the limiting rod (20) is symmetrically fixedly arranged on one side of the top end and the bottom end of the sealing ring (19), the limiting rod (20) is in a "T" shape, a spring is fixedly arranged between the limiting rod (20) and the body (1), an annular groove (18) is opened on the corresponding adjustment plate (8) on one side of the extrusion port (9), and the sealing ring (19) is installed inside the annular groove (18).

Citation Information

Patent Citations

  • Extruder for processing thermoplastic elastomer

    CN208930672U