Low-rolling-resistance tire tread rubber material preparation device
By setting mixed leaves with different inclination angles in the tire tread rubber preparation device, the problem of uneven raw materials mixing is solved, and the uniformity of the rubber and low rolling resistance effect are achieved.
Patent Information
- Application Number
- CN202422120954.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-30
AI Technical Summary
In the prior art, before using a tread mixer to tinker the tire tread raw materials, multiple raw materials are not easy to mix fully, resulting in differences in the tinkered rubber.
A low-roll resistance tire tread rubber preparation device is designed, including a mixing mechanism and a mixing machine. By setting two sets of mixed leaves with different inclination angles in the feed hopper, the raw materials are initially mixed to ensure that multiple raw materials are evenly mixed before entering the mixing machine for dense refining.
The uniform mixing of various raw materials is achieved, reducing the rolling resistance difference of the refined rubber materials and improving the uniformity of the rubber materials.
Smart Images

Figure CN223236699U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tire tread rubber material preparation, and in particular relates to a device for preparing tire tread rubber material with low rolling resistance. Background Art
[0002] When preparing low rolling resistance tire tread rubber, an internal mixer is required to put the masterbatch, silica, carbon black and other raw materials into the internal mixer, and complete the preparation of the tread rubber through internal mixing.
[0003] In the prior art, before using an internal mixer to internally mix the raw materials, the tire tread raw materials need to be put into the internal mixer. When the internal mixing is performed directly, the various tread raw materials are not easily fully mixed, resulting in differences in the mixed rubber materials. Utility Model Content
[0004] The purpose of the utility model is to provide a low rolling resistance tire tread rubber material preparation device, aiming to solve the problem in the prior art that the tire tread raw materials need to be put into the internal mixer before the raw materials are internally mixed. When the internal mixer is directly used, the various tread raw materials are not easy to be fully mixed, resulting in differences in the mixed rubber materials.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A device for preparing a low rolling resistance tire tread rubber material, comprising:
[0007] Internal mixer body;
[0008] A feeding hopper, the feeding hopper being fixedly connected to the upper surface of the internal mixer body;
[0009] A feed hopper, the feed hopper being fixedly connected to the upper end of the delivery hopper;
[0010] The mixing mechanism is provided with two groups, each group of the mixing mechanism comprises a second motor and a mixing blade, the second motor is fixedly connected to the surface of the feed hopper, and the mixing blade is fixedly connected to the output end of the second motor;
[0011] The two mixing blades are respectively arranged in the feed hopper at an inclination of 60 degrees and 300 degrees.
[0012] As a preferred solution of the present invention, multiple groups of internal mixing mechanisms are provided in the internal mixer body, each group of internal mixing mechanisms includes an internal mixing chamber, an internal mixing roller and a rotating shaft, the internal mixing chamber is opened in the internal mixer body, the internal mixing roller is rotatably connected to the internal mixing chamber through the rotating shaft, and the rotating shaft is rotatably connected to the internal mixer body.
[0013] As a preferred solution of the present invention, two fixing frames are fixedly connected to the surface of the internal mixer body, the surfaces of the two fixing frames are fixedly connected to the first motor, the circumferential surfaces of the multiple rotating shafts are fixedly connected to gears, and two adjacent gears are meshed.
[0014] As a preferred solution of the present invention, two mounting plates are fixedly connected to the surface of the feed hopper, a door panel is slidably connected inside the feed hopper, one end of the two mounting plates is fixedly connected to an electric push rod, and the extended end of the electric push rod is fixed to one end of the door panel.
[0015] As a preferred solution of the present invention, both side ends of the internal mixer body are fixedly connected with supporting feet.
[0016] As a preferred solution of the present invention, a discharge port is provided at the lower end of the internal mixer body, and the discharge port is communicated with a plurality of internal mixing chambers.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] 1. In this solution, by using this device, before the tire raw materials are banburyed, the operation of the mixing mechanism is controlled to preliminarily mix the various raw materials so that the various raw materials are mixed evenly. During banburying, the rubber materials obtained are the same without any difference.
[0019] 2. In this solution, multiple raw materials are stirred and mixed through the operation of two sets of mixing mechanisms, so that the raw materials are mixed evenly. After the mixed raw materials enter the main body of the internal mixer for mixing, the components of the mixed rubber are uniform and there will be no differences, which will initially reduce the rolling resistance of the tire. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0021] Figure 1 This is a first-perspective stereogram of the present invention;
[0022] Figure 2 This is a second perspective stereogram of the present invention;
[0023] Figure 3 This is a third perspective stereogram of the present invention;
[0024] Figure 4 It is a cross-sectional view of the present utility model.
[0025] In the figure: 1. Internal mixer body; 2. Support legs; 3. Internal mixing chamber; 4. Internal mixing roller; 5. Rotating shaft; 6. Gear; 7. Fixed frame; 8. First motor; 9. Feed hopper; 10. Feed hopper; 11. Mounting plate; 12. Electric push rod; 13. Second motor; 14. Mixing blade; 15. Door panel. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] Example
[0028] See also Figures 1-4 , the utility model provides the following technical solutions:
[0029] A device for preparing a low rolling resistance tire tread rubber material, comprising:
[0030] Internal mixer body 1;
[0031] A feeding hopper 9 is fixedly connected to the upper surface of the internal mixer body 1;
[0032] The feed hopper 10 is fixedly connected to the upper end of the feeding hopper 9;
[0033] There are two mixing mechanisms, each of which includes a second motor 13 and a mixing blade 14. The second motor 13 is fixedly connected to the surface of the feed hopper 10, and the mixing blade 14 is fixedly connected to the output end of the second motor 13.
[0034] The two mixing blades 14 are disposed in the feed hopper 10 at an inclination of 60 degrees and 300 degrees respectively.
[0035] In a specific embodiment of the present invention, the internal mixer body 1 is used for internal mixing of tire raw materials, the feed hopper 9 is fixedly connected to the upper surface of the internal mixer body 1, and the feed hopper 10 is fixed at the upper end of the feed hopper 9. Various raw materials for processing tire fabrics are put into the feed hopper 10. Through the operation of two groups of mixing mechanisms, the various raw materials are stirred and mixed so that the various raw materials are mixed evenly. After the mixed raw materials enter the internal mixer body 1 for mixing, the mixed rubber components are uniform and there will be no differences, thereby preliminarily reducing the rolling resistance of the tire.
[0036] For details, please refer to Figures 1-4The internal mixer body 1 is provided with multiple groups of internal mixing mechanisms, each group of internal mixing mechanisms includes an internal mixing chamber 3, an internal mixing roller 4 and a rotating shaft 5. The internal mixing chamber 3 is opened in the internal mixer body 1, and the internal mixing roller 4 is rotatably connected to the internal mixing chamber 3 through the rotating shaft 5, and the rotating shaft 5 is rotatably connected to the internal mixer body 1.
[0037] In this embodiment, three groups of internal mixing mechanisms are provided, all of which are arranged in the internal mixing machine body 1 . The internal mixing chamber 3 is used to introduce raw materials for fabric processing, and the raw materials are internally mixed by the rotation of the internal mixing rollers 4 .
[0038] For details, please refer to Figures 1-4 The surface of the internal mixer body 1 is fixedly connected to two fixing frames 7, the surfaces of the two fixing frames 7 are fixedly connected to the first motor 8, the circumferential surfaces of the multiple rotating shafts 5 are fixedly connected to gears 6, and two adjacent gears 6 are meshed.
[0039] In this embodiment, the fixing frame 7 serves to fix the first motor 8. The output end of the first motor 8 is connected to one end of one of the rotating shafts 5. The surfaces of the three rotating shafts 5 are fixedly connected with gears 6. The two adjacent gears 6 are meshed with each other. The operation of the first motor 8 drives one of the rotating shafts 5 and the gear 6 to rotate, and the middle gear 6 drives the two adjacent gears 6 to rotate. Multiple sets of internal mixing mechanisms operate simultaneously.
[0040] For details, please refer to Figures 1-4 Two mounting plates 11 are fixedly connected to the surface of the feed hopper 10, a door panel 15 is slidably connected inside the feed hopper 10, one end of the two mounting plates 11 is fixedly connected to an electric push rod 12, and the extended end of the electric push rod 12 is fixed to one end of the door panel 15.
[0041] In this embodiment: the mounting plate 11 serves to fix the electric push rod 12, and the extended end of the electric push rod 12 drives the door panel 15 to slide in the feed hopper 10. The door panel 15 is closed in the feed hopper 10, and the raw materials used for mixing in the feed hopper 10 cannot enter the feeding hopper 9.
[0042] For details, please refer to Figures 1-4 The two side ends of the internal mixer body 1 are fixedly connected with supporting feet 2.
[0043] In this embodiment, the supporting legs 2 serve to support the mixer body 1 .
[0044] For details, please refer to Figures 1-4 A discharge port is provided at the lower end of the internal mixer body 1 and is communicated with a plurality of internal mixing chambers 3 .
[0045] In this embodiment, the lower side of the discharge port is used to connect to a feeding device for discharging the rubber material after mixing.
[0046] It should be noted that the specific types of the first motor 8, the second motor 13 and the electric push rod 12 to be used are selected by relevant technical personnel familiar with this field, and the above-mentioned first motor 8, the second motor 13 and the electric push rod 12 are all existing technologies and will not be elaborated in this solution.
[0047] The working principle and use process of the present invention are as follows: when the device is in use, first, a variety of tire raw materials to be mixed are added into the feed hopper 10. At this time, the door panel 15 is located in the feed hopper 10, and the passage between the feed hopper 10 and the feeding hopper 9 is closed. The raw materials are added into the feed hopper 10. Through the operation of the two second motors 13, the output end of the second motor 13 drives the mixing blades 14 to rotate. The two mixing blades 14 are staggered. The operation of the mixing blades 14 mixes the various tire raw materials in the feed hopper 10 so that the various raw materials are mixed evenly. Then, the electric push rod 1 is controlled 2 is in operation, the extended end of the electric push rod 12 drives the door panel 15 to partially move out of the feed hopper 10. At this time, the passages between the feed hopper 10 and the delivery hopper 9 are opened, and the raw materials enter the multiple mixing chambers 3 respectively. The first motor 8 is controlled to operate, and the first motor 8 indirectly drives the multiple mixing rollers 4 to rotate. The tire raw materials are mixed into rubber by the rotation of the mixing rollers 4. By using this device, before mixing the tire raw materials, the mixing mechanism is controlled to operate, and the multiple raw materials are preliminarily mixed to make the multiple raw materials evenly mixed. During mixing, the rubber compounds mixed are the same without any difference.
[0048] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A device for preparing a low rolling resistance tire tread rubber material, characterized in that: include: Internal mixer body (1); A feeding hopper (9), wherein the feeding hopper (9) is fixedly connected to the upper surface of the internal mixer body (1); A feed hopper (10), the feed hopper (10) being fixedly connected to the upper end of the delivery hopper (9); The mixing mechanism is provided with two groups, each group of the mixing mechanism comprises a second motor (13) and a mixing blade (14), the second motor (13) is fixedly connected to the surface of the feed hopper (10), and the mixing blade (14) is fixedly connected to the output end of the second motor (13); The two mixing blades (14) are respectively arranged in the feed hopper (10) at an inclination of 60 degrees and 300 degrees.
2. The low rolling resistance tire tread rubber material preparation device according to claim 1, characterized in that: The internal mixer body (1) is provided with a plurality of internal mixing mechanisms, each of which comprises an internal mixing chamber (3), an internal mixing roller (4) and a rotating shaft (5); the internal mixing chamber (3) is opened in the internal mixer body (1); the internal mixing roller (4) is rotatably connected to the internal mixing chamber (3) via the rotating shaft (5); and the rotating shaft (5) is rotatably connected to the internal mixer body (1).
3. The low rolling resistance tire tread rubber material preparation device according to claim 2, characterized in that: Two fixing frames (7) are fixedly connected to the surface of the internal mixer body (1), a first motor (8) is fixedly connected to the surfaces of the two fixing frames (7), and gears (6) are fixedly connected to the circumferential surfaces of the plurality of rotating shafts (5), with two adjacent gears (6) meshing with each other.
4. The low rolling resistance tire tread rubber material preparation device according to claim 3, characterized in that: Two mounting plates (11) are fixedly connected to the surface of the feed hopper (10), a door panel (15) is slidably connected inside the feed hopper (10), one end of the two mounting plates (11) is fixedly connected to an electric push rod (12), and an extended end of the electric push rod (12) is fixed to one end of the door panel (15).
5. The low rolling resistance tire tread rubber material preparation device according to claim 4, characterized in that: Both side ends of the internal mixer body (1) are fixedly connected with supporting feet (2).
6. The low rolling resistance tire tread rubber material preparation device according to claim 5, characterized in that: A discharge port is provided at the lower end of the internal mixer body (1), and the discharge port is communicated with a plurality of internal mixing chambers (3).