Internal mixer for tire production

By designing two pairs of rotors in the internal mixer for tire production and using a pressing and sealing structure to separate the upper and lower rotors, the high cost problem in the existing technology is solved, and efficient continuous internal mixing production is achieved.

CN223701337UActive Publication Date: 2025-12-23BAYI-RUBBER CO LTD
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Patent Information

Application Number
CN202423133639.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-23
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In the existing technology, the cost of tandem internal mixers is relatively high, and it is difficult to achieve efficient production in the continuous internal mixing process. The existing technology cannot effectively reduce costs and improve efficiency.

Method used

A mixing mill for tire production is designed with two pairs of rotors, upper and lower. The upper and lower rotors are separated by a pressing and sealing structure, which achieves separation between the upper and lower rotors. By setting up the pressing and sealing structure to separate the upper and lower rotors, the material processing and discharge in the lower space can be achieved without affecting the pressing and mixing of materials in the upper part.

Benefits of technology

While reducing costs, it achieved efficient continuous mixing production and improved processing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223701337U_ABST
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Abstract

The utility model discloses an internal mixer for tire production, which comprises a control module, driving motors, an internal mixing chamber, a feeding door, a discharging door, a support, an upper rotor, a lower rotor, a material pressing device and a material pressing and sealing structure, the driving motors are respectively arranged at the bottom of the rear end of the control module, and the internal mixing chamber is arranged at the front end of the control module. The feeding door is installed on the upper portion of the front end of the internal mixing chamber, the discharging door is formed in the bottom of the side end of the internal mixing chamber, the support is installed in the middle of the internal mixing chamber, the upper rotor is installed on the lower side of the support through the driving motor, the lower rotor is installed on the lower side of the upper rotor through the driving motor, and the material pressing device is installed at the top end of the internal mixing chamber. And the material pressing and sealing structure is mounted in the internal mixing chamber through a material pressing device. The utility model solves the problems that in order to ensure the production efficiency of tires, continuous internal mixing is required to ensure the yield, and continuous internal mixing is generally realized through a tandem type internal mixer, and the tandem type internal mixer is relatively high in cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tire production, especially a tire production internal mixer. BACKGROUND

[0002] In the tire production process, the internal mixer plays a crucial role. It is responsible for effectively mixing and plasticizing rubber raw materials with other chemical additives such as fillers, sulfur, accelerators, etc. This process not only improves the plasticity of rubber, but also ensures the uniform distribution of various additives in the rubber matrix, which is crucial for the performance of the final tire. Through the high shear force and heat of the internal mixer, the pretreatment of rubber can be realized, preparing for the subsequent molding and vulcanization processes.

[0003] In order to ensure the efficiency of tire production, continuous mixing is needed to ensure production, which is generally achieved through a series of internal mixers. The cost of a series of internal mixers is relatively high. SUMMARY

[0004] The utility model aims at providing a tire production internal mixer to solve the above technical problems.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a tire production internal mixer, comprising a control module, a drive motor, an internal mixing chamber, an inlet door, an outlet door, a support, an upper rotor, a lower rotor, a pressing device, and a pressing and sealing structure, the control module is driven by the drive motor at the rear end, the internal mixing chamber is installed at the front end of the control module, the inlet door is installed at the upper part of the front end of the internal mixing chamber, the outlet door is opened at the bottom of the side end of the internal mixing chamber, the support is installed in the middle part of the internal mixing chamber, the upper rotor is installed below the support through the drive motor, the lower rotor is installed below the upper rotor through the drive motor, the pressing device is installed at the top end of the internal mixing chamber, and the pressing and sealing structure is installed in the internal mixing chamber through the pressing device.

[0006] On the basis of the above technical scheme, the pressing and sealing structure comprises a partition, a sliding hole, a sliding plate, a pressing plate, and a connector, the partition is installed between the upper rotor and the lower rotor through the internal mixing chamber, the sliding holes are opened on the left and right parts of the partition, the sliding plate is vertically slid in the left and right sliding holes through the support, the pressing plate is fixed on the top end of the sliding plate through the upper side of the support, and the pressing plate is slidably connected to the internal mixing chamber, the connector is opened in the middle part of the top end of the pressing plate, and the output end of the pressing device is connected to the connector.

[0007] On the basis of the above technical scheme, the sliding plate blocks the sliding hole to separate the upper rotor and the lower rotor.

[0008] Compared with the prior art, the utility model has the advantages that: the utility model discloses through setting up two pairs of rotors in the internal chamber, through the material pressing and sealing interface, the upper rotor and lower rotor are separated, realize the upper material pressing and mixing, and the material processing and discharge in the lower space are not affected. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the appearance structure schematic drawing of the utility model.

[0010] Fig. 2 It is the internal structure schematic drawing of the utility chamber of the utility model.

[0011] Fig. 3 It is the internal sealing material state schematic drawing of the utility model.

[0012] Fig. 4 It is the material pressing and sealing structure schematic drawing of the utility model.

[0013] In the drawing: 1, control module, 2, drive motor, 3, internal chamber, 4, feed door, 5, discharge door, 6, support, 7, upper rotor, 8, lower rotor, 9, material pressing device, 10, material pressing and sealing structure, 11, partition, 12, slide hole, 13, petal, 14, pressing plate, 15, interface. DETAILED DESCRIPTION

[0014] The utility model will be further described in detail below in combination with the drawings and specific embodiment.

[0015] As Figs. 1 to 4 Shown, a kind of for tire production internal mixer, including control module 1, drive motor 2, internal chamber 3, feed door 4, discharge door 5, support 6, upper rotor 7, lower rotor 8, material pressing device 9, material pressing and sealing structure 10, the control module 1 rear end bottom portion drive motor 2 respectively, the internal chamber 3 is installed in control module 1 front end, the feed door 4 is installed in internal chamber 3 front end upper portion, the discharge door 5 opens in internal chamber 3 side end bottom, the support 6 is installed in internal chamber 3 inner middle part, the upper rotor 7 is installed in support 6 lower side by drive motor 2, the lower rotor 8 is installed in upper rotor 7 lower side by drive motor 2, the material pressing device 9 is installed in internal chamber 3 top end, the material pressing and sealing structure 10 is installed in internal chamber 3 interior by material pressing device 9.

[0016] The pressure material sealing structure 10 comprises a partition plate 11, sliding holes 12, sliding plates 13, a pressing plate 14, an interface 15, the partition plate 11 is installed between the upper rotor 7 and the lower rotor 8 through the mixing chamber 3, the sliding holes 12 are respectively opened on the left and right parts of the partition plate 11, the sliding plates 13 are vertically slid in the left and right sliding holes 12 through the supports 6, the pressing plate 14 is fixed on the top end of the sliding plate 13 through the upper side of the support 6, and the pressing plate 14 is slidably connected to the mixing chamber 3, and the interface 15 is opened in the middle part of the top end of the pressing plate 14, and the output end of the pressure material device 9 is connected to the interface 15.

[0017] The sliding plate 13 blocks the sliding hole 12 to separate the upper rotor 7 and the lower rotor 8.

[0018] The working principle of the utility model is as follows: when running, the material is put into the mixing chamber 3 through the feeding door 4, the material falls on the partition plate 11, the driving motor 2 rotates the upper rotor 7 to shear and densify the material, at the same time, the material enters below the partition plate 11 through the sliding hole 12 and contacts the lower rotor 8, and the material is continuously densified by the lower rotor 8, when the material is processed at the lower rotor 8, the material is continuously put into the mixing chamber 3 through the feeding door 4, the material falls on the partition plate 11, the pressing plate 14 is pressed down through the pressure material interface 9, the pressing plate 14 presses down the material to contact the upper rotor 7, at the same time, the petal 13 passes through the support 6 to block the sliding hole 12, and the upper rotor 7 and the lower rotor 8 are separated. Open the discharging door 5, the processed material is discharged from the discharging door 5 in the rotating process of the lower rotor 8, and the upper rotor 7 continuously densifies the material. After the discharging door 5 is closed, the pressing plate 14 is lifted through the pressure material interface 9, the sliding hole 12 is exposed, and the above-mentioned action is repeated. Continuous densification is realized, the processing efficiency is improved, and the cost is controlled.

[0019] The above is the preferred embodiment of the utility model, and for ordinary skilled persons in the art, according to the teaching of the utility model, the change, modification, replacement and transformation of the embodiment without departing from the principle and spirit of the utility model still fall within the protection scope of the utility model.

Claims

1. A mixing chamber for tyre production comprising a control module (1), a drive motor (2), a mixing chamber (3), a feed gate (4), a discharge gate (5), a support (6), an upper rotor (7), a lower rotor (8), a presser device (9), a presser-seal structure (10), characterized in that: The control module (1) rear end bottom respectively drive motor (2), the mixing chamber (3) is installed to control module (1) front end, the feeding door (4) is installed to mixing chamber (3) front end upper portion, the discharge door (5) opens to mixing chamber (3) side end bottom, the support (6) is installed to mixing chamber (3) in middle part, the upper rotor (7) is installed to support (6) lower side through drive motor (2), the lower rotor (8) is installed to upper rotor (7) lower side through drive motor (2), the pressure material device (9) is installed to mixing chamber (3) top end, the pressure material sealing structure (10) is installed to mixing chamber (3) inside through pressure material device (9).

2. A tire production internal mixer according to claim 1, characterized in that: The pressure material sealing structure (10) includes partition (11), sliding hole (12), sliding plate (13), pressing plate (14), interface (15), the partition (11) is installed between upper rotor (7) and lower rotor (8) through mixing chamber (3), the sliding hole (12) is respectively opened in the left and right two parts of partition (11), the sliding plate (13) is respectively vertically slid in left and right sliding holes (12) through support (6), the pressing plate (14) is fixed on the top of sliding plate (13) through the upper side of support (6), and the pressing plate (14) is slidably connected to the mixing chamber (3), the interface (15) is opened in the middle part of the top of pressing plate (14), and the output end of pressure material device (9) is connected to interface (15).

3. A tire production internal mixer according to claim 2, characterized in that: The sliding plate (13) blocks the sliding hole (12) to separate the upper rotor (7) and the lower rotor (8).