Rubber fender extrusion device

By designing a pressure booster and gear transmission system in the rubber fender extrusion device, the problems of insufficient extrusion pressure and air bubbles were solved, achieving high-density and high-quality molding of the rubber compound.

CN223630958UActive Publication Date: 2025-12-05YANGZHOU GANGDUN ENG RUBBER CO LTD
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Patent Information

Application Number
CN202520006881.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-05
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

In the current production of rubber fenders, insufficient extrusion pressure of the extruder leads to uneven rubber density and air bubbles, affecting the extrusion quality.

Method used

A rubber fender extrusion device was designed. The rubber material is pressurized and mixed at the extruder outlet through a pressure cylinder and gear transmission system. The rubber material is then squeezed dry by meshing gears and extrusion blocks to remove air bubbles.

Benefits of technology

It increases the extrusion density of the rubber compound, eliminates air bubbles, and improves the molding quality of the rubber fender.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of extrusion devices, in particular to a rubber fender extrusion device which comprises an extruder and further comprises an extrusion pipe, a motor is fixedly installed below the output end of the extrusion pipe and fixedly connected with the extruder, and a first connecting shaft is movably installed below the middle of one end of the extrusion pipe. One end of the first connecting shaft is fixedly connected with the output end of the motor, the other end of the first connecting shaft is fixedly provided with a first gear, and the outer surface of the end, close to the motor, of the first connecting shaft is movably sleeved with a second gear. According to the utility model, the problem of insufficient pressure when the rubber material is extruded and passes through the fender mold is solved, so that the extrusion molding density of the rubber fender is improved, and the extrusion quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to extrusion device technical field, specifically, relate to a rubber fender extrusion device. BACKGROUND

[0002] The rubber fender is a device installed on the wharf or the ship, and is mainly used for absorbing the collision energy between the ship and the wharf or the ship when docking or mooring, so as to protect the ship and the wharf from being damaged. At present, the production of the rubber fender mainly adopts the extrusion molding method, and is extruded by the extruder. However, since the extrusion pressure of the extruder is relatively uniform, the rubber material extruded out has the problem of insufficient pressure when passing through the die at the discharge port, thereby affecting the density of the extruded rubber fender, and causing the problem of air bubbles in the extruded rubber material, which affects the extrusion quality.

[0003] Based on this, we propose a rubber fender extrusion device. SUMMARY

[0004] The main purpose of the utility model is to provide a rubber fender extrusion device to overcome the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides a rubber fender extrusion device, which comprises an extruder, further comprises an extrusion pipe, the lower part of the output end of the extrusion pipe is fixedly installed with a motor, the motor is fixedly connected with the extruder, the lower part of the middle of one end of the extrusion pipe is movably installed with a first connecting shaft, one end of the first connecting shaft is fixedly connected with the output end of the motor, the other end of the first connecting shaft is fixedly installed with a first gear, the outer surface of the one end of the first connecting shaft close to the motor is movably installed with a second gear.

[0006] The lower part of the first connecting shaft is movably installed with a third connecting shaft, one end of the third connecting shaft is fixedly installed with a fifth gear, the fifth gear and the second gear are arranged to be mutually engaged, the outer surface of the third connecting shaft is movably installed with a second connecting shaft on one side, one end of the second connecting shaft is fixedly installed with a third gear, the third gear and the first gear are arranged to be mutually engaged, the middle of the outer surface of the second connecting shaft is fixedly installed with a fourth gear, the fourth gear and the fifth gear are arranged to be mutually engaged.

[0007] The outer surface of the output end of the extrusion pipe is fixedly installed with a booster cylinder, a plurality of exhaust holes are uniformly formed in the middle of the outer surface of the booster cylinder, fixed rings are fixedly arranged at both ends of the outer surface of the booster cylinder, a connecting ring is movably installed in the inside of the fixed ring, a plurality of meshing teeth are uniformly arranged on the outer ring surface of the connecting ring and penetrate the booster cylinder, the connecting ring is arranged to be mutually engaged with the first gear and the second gear through the meshing teeth, and a plurality of extrusion blocks are uniformly arranged on the inner ring surface of the connecting ring and penetrate the booster cylinder.

[0008] As a further improvement of the utility model, the front end and the rear end of the outer surface of the second gear are placed with a limiting ring, and the limiting ring is fixedly sleeved on the outer surface of the first connecting shaft.

[0009] As a further improvement of the utility model, the outer surfaces of the first connecting shaft, the second connecting shaft and the third connecting shaft are jointly movably sleeved with an L-shaped connecting frame, and the end of the vertical end of the connecting frame is fixedly connected with the lower surface of the extrusion pipe.

[0010] As a further improvement of the utility model, the other ends of the second connecting shaft and the third connecting shaft are movably provided with bearing seats, and the bearing seats are fixedly connected with the outer surface of the extruder.

[0011] As a further improvement of the utility model, the inner surfaces of the two ends of the pressure boosting cylinder are funnel-shaped, and the diameter of the inner surface of the pressure boosting cylinder gradually decreases from the middle part to the two ends.

[0012] As a further improvement of the utility model, the outer surface of the fixing ring at one end is fixedly provided with a connecting sleeve, the connecting sleeve is fixedly sleeved on the outer surface of the output end of the extrusion pipe, and the middle part of the lower surface of the fixing ring is provided with an opening.

[0013] The utility model has the advantages of:

[0014] The utility model can boost and mix the rubber material at the discharge port of the extruder, thereby ensuring the extrusion pressure of the rubber material, further mixing the rubber material, extruding and removing the bubbles in the rubber material, avoiding the problem of insufficient pressure when the rubber material extrudes through the fender mold, improving the density of the rubber fender extrusion molding, and improving the extrusion quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings that form a part of the utility model are used to provide a further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0016] Figure 1 It is the front side three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is the extrusion pipe structure split schematic view of the utility model;

[0018] Figure 3 It is the second connecting shaft structure split schematic view of the utility model;

[0019] Figure 4 It is the pressure boosting cylinder structure split cut schematic view of the utility model.

[0020] In the figure: 1, extruder; 101, extrusion tube; 102, connecting frame; 2, motor; 3, first connecting shaft; 301, first gear; 302, second gear; 303, limiting ring; 4, second connecting shaft; 401, third gear; 402, fourth gear; 5, third connecting shaft; 501, fifth gear; 6, bearing seat; 7, booster cylinder; 701, exhaust hole; 702, fixing ring; 703, connecting ring; 704, meshing tooth; 705, extrusion block; 706, connecting sleeve. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0023] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0024] In order to make the purpose and advantages of the present application more clear and explicit, the present application will be further described below in combination with the embodiments; it should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0025] Please refer to Figures 1-4As shown, a rubber fender extrusion device, comprising an extruder 1, further comprising an extrusion tube 101, the lower end of the output end of the extrusion tube 101 is fixedly installed with a motor 2, the motor 2 is fixedly connected with the extruder 1, the lower middle of one end of the extrusion tube 101 is movably installed with a first connecting shaft 3, one end of the first connecting shaft 3 is fixedly connected with the output end of the motor 2, the other end of the first connecting shaft 3 is fixedly installed with a first gear 301, the outer surface of the end of the first connecting shaft 3 close to the motor 2 is movably sleeved with a second gear 302, the front end and the rear end of the outer surface of the second gear 302 are both placed with a limiting ring 303, the limiting ring 303 is fixedly sleeved on the outer surface of the first connecting shaft 3;

[0026] The lower end of the first connecting shaft 3 is movably installed with a third connecting shaft 5, one end of the third connecting shaft 5 is fixedly installed with a fifth gear 501, the fifth gear 501 is arranged to be engaged with the second gear 302, the outer surface of one side of the third connecting shaft 5 is movably installed with a second connecting shaft 4, one end of the second connecting shaft 4 is fixedly installed with a third gear 401, the third gear 401 is arranged to be engaged with the first gear 301, the middle of the outer surface of the second connecting shaft 4 is fixedly sleeved with a fourth gear 402, the fourth gear 402 is arranged to be engaged with the fifth gear 501;

[0027] The outer surfaces of the first connecting shaft 3, the second connecting shaft 4 and the third connecting shaft 5 are movably sleeved with a connecting frame 102 in the shape of "L", the end of the vertical end of the connecting frame 102 is fixedly connected with the lower surface of the extrusion tube 101, the other end of the second connecting shaft 4 and the third connecting shaft 5 are movably installed with a bearing seat 6, the bearing seat 6 is fixedly connected with the outer surface of the extruder 1;

[0028] The outer surface of the output end of the extrusion tube 101 is fixedly sleeved with a booster cylinder 7, the inner surfaces of both ends of the booster cylinder 7 are arranged in the shape of a funnel, the diameter of the inner surface of the booster cylinder 7 gradually decreases from the middle to both ends, a plurality of exhaust holes 701 are uniformly provided in the middle of the outer surface of the booster cylinder 7, the both ends of the outer surface of the booster cylinder 7 are fixedly provided with a fixed ring 702, the inside of the fixed ring 702 is movably installed with a connecting ring 703, the outer ring surface of the connecting ring 703 is uniformly provided with a plurality of meshing teeth 704 through the booster cylinder 7, the connecting ring 703 is arranged to be engaged with the first gear 301 and the second gear 302 through the meshing teeth 704, the inner ring surface of the connecting ring 703 is uniformly provided with a plurality of extrusion blocks 705 through the booster cylinder 7, the outer surface of the rear end of one of the fixed rings 702 is fixedly installed with a connecting sleeve 706, the connecting sleeve 706 is fixedly sleeved on the outer surface of the output end of the extrusion tube 101, the middle of the lower surface of the fixed ring 702 is provided with an opening.

[0029] In use, the extruder 1 is first started to extrude the rubber material normally and discharge it through the extrusion tube 101. When the rubber material is discharged to the outlet of the extrusion tube 101, it can enter the pressure cylinder 7. Since the inner surface of the pressure cylinder 7 is funnel-shaped at both ends, the inner surface diameter of the pressure cylinder 7 gradually decreases from the middle to both ends. When the rubber material enters the pressure cylinder 7, it can accumulate in the inner middle space of the pressure cylinder 7. At this time, the rubber material enters and exits through the two smaller diameter material ports of the pressure cylinder 7 respectively. Under this condition, the rubber supply can be slightly more than the rubber output, so as to ensure the rubber extrusion pressure.

[0030] Secondly, when the rubber material accumulates in the pressure cylinder 7, the motor 2 can be started to control the first connecting shaft 3 to rotate clockwise. When the first connecting shaft 3 rotates clockwise, it can synchronously drive the first gear 301 to rotate clockwise. When the first gear 301 rotates clockwise, the connecting ring 703 that meshes with it will rotate counterclockwise. At this time, the counterclockwise rotating connecting ring 703 can be used to control the extrusion block 705 to squeeze and mix the rubber material in the pressure cylinder 7.

[0031] When the first gear 301 rotates clockwise, the third gear 401 meshing with it will rotate counterclockwise. The counterclockwise rotation of the third gear 401 drives the second connecting shaft 4 to rotate counterclockwise, thereby controlling the fourth gear 402 to rotate counterclockwise. When the fourth gear 402 rotates counterclockwise, the fifth gear 501 meshing with it will rotate clockwise. At this time, the clockwise rotating fifth gear 501 can drive the second gear 302 meshing with it to rotate counterclockwise. At this time, the second gear 302 and the first gear 301 can achieve coaxial and opposite rotation. Under this situation, the counterclockwise rotating second gear 302 can control the connecting ring 703 meshing with it to rotate clockwise. At this time, the clockwise rotating connecting ring 703 can control the extrusion block 705 to squeeze and mix the rubber material in the pressure cylinder 7.

[0032] Finally, by rotating the two connecting rings 703 in both directions, the rubber material in the pressurizing cylinder 7 can be further wrung out and mixed evenly. During the wrung-out and mixing process, the air bubbles in the rubber material are squeezed out and discharged through the exhaust hole 701, thus completing the high-quality extrusion molding of the rubber fender.

[0033] The above are merely embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. Rubber fender extrusion device comprising an extruder (1), characterized in that, Also include extrusion tube (101), the lower end of the output of the extrusion tube (101) is fixedly installed motor (2), the motor (2) is fixedly connected with the extruder (1), the lower end of the middle of one end of the extrusion tube (101) is movably installed first connecting shaft (3), one end of the first connecting shaft (3) is fixedly connected with the output end of the motor (2), the other end of the first connecting shaft (3) is fixedly installed first gear (301), the outer surface of the one end of the first connecting shaft (3) close to the motor (2) is movably sleeved with second gear (302); The lower end of the first connecting shaft (3) is movably installed third connecting shaft (5), one end of the third connecting shaft (5) is fixedly installed fifth gear (501), the fifth gear (501) and the second gear (302) are mutually engaged, the outer surface of the third connecting shaft (5) is movably installed second connecting shaft (4), one end of the second connecting shaft (4) is fixedly installed third gear (401), the third gear (401) and the first gear (301) are mutually engaged, the outer surface of the second connecting shaft (4) is fixedly sleeved with fourth gear (402), the fourth gear (402) and the fifth gear (501) are mutually engaged; The outer surface of the output end of the extrusion tube (101) is fixedly sleeved with booster cylinder (7), a plurality of exhaust holes (701) are uniformly formed in the middle of the outer surface of the booster cylinder (7), the two ends of the outer surface of the booster cylinder (7) are fixedly provided with fixed rings (702), the inside of the fixed ring (702) is movably installed with connecting ring (703), the outer ring surface of the connecting ring (703) is uniformly provided with a plurality of meshing teeth (704) penetrating the booster cylinder (7), the connecting ring (703) is respectively engaged with the first gear (301) and the second gear (302) through the meshing teeth (704), the inner ring surface of the connecting ring (703) is uniformly provided with a plurality of extrusion blocks (705) penetrating the booster cylinder (7).

2. A rubber fender extrusion apparatus as claimed in claim 1, wherein, The front end and the rear end of the outer surface of the second gear (302) are respectively placed with limit ring (303), the limit ring (303) is fixedly sleeved and installed on the outer surface of the first connecting shaft (3).

3. A rubber fender extrusion apparatus as defined in claim 1, wherein, The outer surfaces of the first connecting shaft (3), the second connecting shaft (4) and the third connecting shaft (5) are movably sleeved with the connecting frame (102) which is "L" shaped, the end of the vertical end of the connecting frame (102) is fixedly connected with the lower surface of the extrusion tube (101).

4. A rubber fender extrusion apparatus as defined in claim 1, wherein, The other ends of the second connecting shaft (4) and the third connecting shaft (5) are movably installed with bearing seat (6), the bearing seat (6) is fixedly connected with the outer surface of the extruder (1).

5. A rubber fender extrusion apparatus as defined in claim 1, wherein, The inner surfaces of the two ends of the booster cylinder (7) are funnel-shaped, the diameters of the inner surfaces of the booster cylinder (7) gradually decrease from the middle to the two ends.

6. A rubber fender extrusion apparatus as defined in claim 1, wherein, The outer surface of one end of the fixed ring (702) is fixedly provided with a connecting sleeve (706), the connecting sleeve (706) is fixedly sleeved on the outer surface of the output end of the extrusion pipe (101), and the middle part of the lower surface of the fixed ring (702) is provided with an opening.