Continuous vulcanization production line pressure rotary pot

Abstract

This utility model belongs to the technical field of continuous vulcanization production line equipment, and relates to a pressure rotary kiln for a continuous vulcanization production line. Its features include a rotary kiln shell, guide wheels, guide wheel rods, and bearing seats. A guide wheel rod is vertically inserted through the center of the rotary kiln shell, extending from both the upper and lower ends of the shell and rotatably mounted on the bearing seats. The bearing seats are mounted on the rotary kiln shell. Inside the rotary kiln shell, guide wheels are fixed to the guide wheel rods. Inlet and outlet ports are symmetrically arranged on the shell wall of the rotary kiln shell, and connecting pipes are provided at both the inlet and outlet ports. This utility model has a scientific and reasonable design, with advantages such as simple structure, convenient assembly, reduced space requirements for the production workshop in continuous vulcanization production lines, and ease of implementation. It is a highly innovative pressure rotary kiln for a continuous vulcanization production line.

Description

Technical Field

[0001] This utility model belongs to the technical field of production equipment for continuous vulcanization production lines, and relates to a rotary device, specifically a pressure rotary kiln for a continuous vulcanization production line. Background Technology

[0002] Continuous vulcanization is a key technology in modern wire and cable manufacturing. Its core lies in integrating traditional extrusion (insulation or sheathing) molding with vulcanization (crosslinking) into a continuous, automated production process. Compared to step-by-step production, this process significantly improves production efficiency, reduces energy consumption and labor costs, and effectively ensures the uniformity and consistency of product performance along its length. It is particularly suitable for the efficient manufacturing of long-length, high-volume wires and cables (such as power cables and communication cables).

[0003] However, the realization of continuous vulcanization processes is highly dependent on dedicated production lines with sufficient straight-line length. Existing continuous vulcanization production lines typically include core units such as extruders, vulcanization pipes, cooling tanks, and take-up devices. Among these, the length of the vulcanization pipes, as the core component ensuring full cross-linking of the material, directly determines the maximum cable length for a single continuous production run. Therefore, the production workshop must have a matching linear spatial layout.

[0004] For many small and medium-sized cable companies with existing facilities and limited space, the length of their current factory buildings is often insufficient to meet the rigid requirements of mainstream continuous vulcanization equipment for long-distance straight layouts. If the factory buildings are replanned or expanded to adapt to new processes, it will not only involve high civil engineering costs and long construction cycles, but may also be difficult to implement due to site limitations. This will greatly reduce the feasibility of companies introducing advanced continuous vulcanization technology, improving product competitiveness, and responding to market demands.

[0005] Therefore, achieving efficient continuous vulcanization production within existing limited factory space has become a key bottleneck restricting the widespread adoption of this technology, especially for the technological upgrading of small and medium-sized enterprises. In view of this, it is essential to design a rotary device to adapt existing small and medium-sized standard factory buildings to continuous vulcanization production lines. Summary of the Invention

[0006] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a pressure rotary kiln for a continuous vulcanization production line that is simple in structure, easy to assemble, reduces the space requirements of the production workshop for continuous vulcanization production lines, and is easy to implement.

[0007] The technical problem solved by this utility model is achieved through the following technical solution:

[0008] A pressure rotary kiln for a continuous vulcanization production line is characterized by comprising a rotary kiln shell, guide wheels, guide wheel rods, and bearing seats. A guide wheel rod is vertically inserted through the center of the rotary kiln shell. The guide wheel rod extends from the upper and lower ends of the rotary kiln shell and is rotatably mounted on the bearing seats. The bearing seats are mounted on the rotary kiln shell. Inside the rotary kiln shell, there are guide wheels fixed to the guide wheel rods. Inlet and outlet ports are symmetrically arranged on the shell wall of the rotary kiln shell, and connecting pipes are provided at both the inlet and outlet ports.

[0009] Furthermore, the rotary pot shell includes a pot body and a pot lid. The pot body is a groove-shaped structure with an opening at the lower end. A sealing groove is provided on the lower end surface of the pot body, and a sealing protrusion adapted to the sealing groove is provided on the upper end surface of the pot lid. The sealing protrusion is embedded in the sealing groove through a sealing ring. The pot lid is connected to the pot body flange.

[0010] Furthermore, the guide wheel includes an intermediate connecting plate and a wheel disc. The intermediate connecting plate is fixedly mounted on the guide wheel rod, and semi-circular wheel discs are connected to both sides of the intermediate connecting plate by screws.

[0011] Furthermore, it also includes operating windows and sealing covers. Operating windows are evenly distributed on the side wall of the rotary cooker shell, and each operating window is covered with a sealing cover.

[0012] Furthermore, it also includes guide plates, which are provided on the inner sides of both the inlet and outlet of the rotary cooker shell.

[0013] The advantages and positive effects of this utility model are:

[0014] 1. The pressure rotary kiln of this continuous vulcanization production line can rotate the vulcanization pipelines that are arranged in a single straight line, thereby greatly reducing the space requirements of the production line layout in the workshop, meeting the layout needs of existing small and medium-sized workshops for continuous vulcanization production lines, and providing a feasible solution for enterprises to accelerate production, reduce costs and increase efficiency.

[0015] 2. The pressure rotary kiln of this continuous vulcanization production line, through the design of the operating window, allows the extruded cables to be easily wound on the guide rollers before vulcanization, improving their efficiency in threading in and out.

[0016] 3. The pressure rotary kiln of this continuous vulcanization production line, through the setting of the guide plate, can further assist the extruded cable in passing through the inlet and outlet, thereby improving the cable passing efficiency.

[0017] 4. This utility model has a scientific and reasonable design, with the advantages of simple structure, convenient assembly, reduced space requirements for production workshops in continuous vulcanization production lines, and easy implementation. It is a pressure rotary kiln for a continuous vulcanization production line with high innovation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 for Figure 1 Sectional view along axis AA;

[0020] Figure 3 for Figure 1 Top view;

[0021] Figure 4 This is a schematic diagram of the structure of this utility model connected to the vulcanizing pipeline.

[0022] Explanation of reference numerals in the attached figures

[0023] 1-Outlet, 2-Bearing seat, 3-Rotating pot shell, 4-Inlet, 5-Sealing cover, 6-Operating window, 7-Wheel disc, 8-Pot lid, 9-Intermediate connecting plate, 10-PTFE sealing gasket, 11-Guide wheel rod, 12-Pot body, 13-Baffle plate, 14-Connecting pipe. Detailed Implementation

[0024] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings:

[0025] An innovative design for a pressure rotary kiln in a continuous vulcanization production line includes a rotary kiln shell 3, guide wheels, guide wheel rods 11, and bearing seats 2. A guide wheel rod is vertically inserted through the center of the rotary kiln shell, extending from both the upper and lower ends and rotatably mounted on the bearing seats. A polytetrafluoroethylene (PTFE) sealing gasket 10 is placed between the guide wheel rod and the bearing seats. The bearing seats are mounted on the rotary kiln shell. Inside the rotary kiln shell, a guide wheel is fixed to the guide wheel rod. A wire inlet 4 and a wire outlet 1 are symmetrically arranged on the shell wall of the rotary kiln shell, and connecting pipes 14 are provided at both the inlet and outlet. This invention places the bearing seats outside the rotary kiln shell, avoiding the problem of bearing damage during prolonged operation.

[0026] When in use, disconnect the vulcanization pipe 16 on the continuous vulcanization production line. Connect one disconnected end to the connecting pipe at the inlet through a flange, and connect the other disconnected end to the connecting pipe at the outlet through a flange. At this time, the extruder and the take-up device are located at the same end of the workshop.

[0027] The rotary kiln shell includes a pot body 12 and a lid 8. The pot body is a groove-shaped structure with an opening at one end. A sealing groove is provided on the lower end surface of the pot body, and a sealing protrusion adapted to the sealing groove is provided on the upper end surface of the lid. The sealing protrusion is embedded in the sealing groove by a sealing ring. The lid is connected to the pot body flange. The triple protection between the pot body and the lid—the sealing groove, the protrusion, and the sealing ring—ensures no leakage under a 20 bar vulcanization pressure, maintaining process stability. The detachable structure facilitates maintenance of the internal components of the pot.

[0028] The guide wheel includes a central connecting plate 9 and a wheel disc 7. The central connecting plate is fixedly mounted on the guide wheel rod, and semi-circular wheel discs are connected to both sides of the central connecting plate by screws. By designing the guide wheel as a split structure, it is convenient for its assembly and maintenance.

[0029] To facilitate the winding of the extruded cable on the guide roller, this utility model also includes an operation window 6 and a sealing cover 5. The operation windows are evenly distributed on the side wall of the rotary cooker shell. During operation, the operator can reach into the operation window to assist in winding the extruded cable on the guide roller. To ensure the airtightness of the rotary cooker, a sealing cover is installed on each operation window, and an opening handle is provided on the sealing cover.

[0030] To ensure that the extruded cable can smoothly pass through the inlet and outlet, this utility model also designs a guide plate 13. The guide plate is provided on the inner side of the inlet and outlet inside the rotary pot shell. The guide plate can prevent the extruded cable from deviating from its normal threading path.

[0031] Traditional continuous sulfur production lines require long linear spaces (typically tens of meters). This invention allows existing continuous sulfur production lines to rotate, significantly reducing the floor space required. Furthermore, this invention addresses the problem of limited workshop space for small and medium-sized enterprises, enabling them to deploy traditional production lines, accelerating production, reducing factory renovation costs, improving space utilization, and directly lowering enterprise operating costs.

[0032] Although embodiments and drawings of the present invention have been disclosed for illustrative purposes, those skilled in the art will understand that various substitutions, variations and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A pressure rotary kiln for a continuous vulcanization production line, characterized in that: The device includes a rotary cooker shell, guide wheels, guide wheel rods, and bearing seats. A guide wheel rod is vertically inserted through the center of the rotary cooker shell. The guide wheel rod extends from the upper and lower ends of the rotary cooker shell and is rotatably mounted on the bearing seats. The bearing seats are mounted on the rotary cooker shell. Inside the rotary cooker shell, there are guide wheels fixed to the guide wheel rods. Inlet and outlet ports are symmetrically arranged on the shell wall of the rotary cooker shell. Connecting pipes are provided at both the inlet and outlet ports.

2. The pressure rotary kiln for a continuous vulcanization production line according to claim 1, characterized in that: The rotary cooker shell includes a pot body and a pot lid. The pot body is a groove-shaped structure with an opening at the lower end. A sealing groove is provided on the lower end surface of the pot body. A sealing protrusion that matches the sealing groove is provided on the upper end surface of the pot lid. The sealing protrusion is embedded in the sealing groove through a sealing ring. The pot lid is connected to the pot body flange.

3. The pressure rotary kiln for a continuous vulcanization production line according to claim 1, characterized in that: The guide wheel includes an intermediate connecting plate and wheel discs. The intermediate connecting plate is fixed on the guide wheel rod, and semi-circular wheel discs are connected to both sides of the intermediate connecting plate by screws.

4. The pressure rotary kiln for a continuous vulcanization production line according to claim 1, characterized in that: It also includes operation windows and sealing covers. Operation windows are evenly distributed on the side wall of the rotary cooker shell, and each operation window is covered with a sealing cover.

5. The pressure rotary kiln for a continuous vulcanization production line according to claim 1, characterized in that: It also includes guide plates, which are provided on the inner sides of the inlet and outlet of the rotary cooker shell.

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