A control device for a plastic extruder for cable processing

Abstract

The utility model provides a kind of control cable processing with plastic extrusion device, it is related to cable processing equipment technical field, including preheating mechanism, the outer surface wall of preheating mechanism is provided with stirring mechanism, preheating mechanism includes extruder main body, the input end fixed communication of extruder main body has feed pipe.The utility model in, under the interaction of each component of preheating mechanism, realizes the efficient preheating treatment of plastic particles and additive, ensures that material and heating water are fully contacted and are evenly preheated, and this preheating treatment mechanism effectively avoids the problem that plastic particles appear local overheating or uneven heating in cylinder, promotes that plastic molecular chain is fully unfolded and mixes evenly, ensures the consistency of melting process, to significantly reduce the generation of bubble, block and other defects in extrusion process, greatly improves the processing quality and production efficiency of cable.

Description

Technical Field

[0001] This utility model relates to the field of cable processing equipment technology, and in particular to a plastic extrusion device for control cable processing. Background Technology

[0002] Cable processing is the process of manufacturing cable products by combining metal conductors, insulating materials, shielding materials, etc., according to certain design requirements and process specifications, through processes such as stranding, extrusion, and wrapping.

[0003] During cable processing, metal conductors need to be tightly wrapped with insulating materials to ensure stable current transmission, prevent leakage, and ensure the safe operation of power systems and various equipment. Plastic extrusion devices for control cable processing can precisely extrude molten plastic and evenly wrap it around the conductor, efficiently completing the insulation layer formation and improving the quality and efficiency of cable production.

[0004] However, existing plastic extrusion equipment for control cable processing has the following shortcomings:

[0005] In the prior art, plastic extrusion devices for control cable processing typically feed plastic granules, masterbatches and other additives directly into the extruder for melt extrusion. However, this process lacks sufficient preheating treatment of the plastic materials and their additives, which makes it easy for the plastic granules to be locally overheated or underheated in the barrel, resulting in uneven melting and failure of the plastic molecular chains to fully unfold and mix. Consequently, defects such as bubbles and lumps are easily generated during the extrusion process.

[0006] Therefore, we propose a plastic extrusion device for control cable processing to solve the problems mentioned above. Utility Model Content

[0007] The purpose of this invention is to provide a plastic extrusion device for control cable processing, which utilizes the continuous drive of a circulating pump and the constant heating treatment of a heating component to ensure that hot water maintains a specific temperature and circulates within the jacket, and the screw conveyor component continuously turns the material while pushing it, thereby solving the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a plastic extrusion device for processing control cables, comprising a preheating mechanism, wherein a stirring mechanism is provided on the outer wall of the preheating mechanism;

[0009] The preheating mechanism includes an extruder body, an input end of which is fixedly connected to a feed pipe, an input end of which is fixedly connected to a conveying pipe, a jacket fixedly connected to the outer wall of the conveying pipe, an input end of which is fixedly connected to a water inlet pipe, an input end of which is fixedly connected to a circulating pump, an input end of which is fixedly connected to a connecting pipe, an input end of which is fixedly connected to a water tank, a heating pipe fixedly installed on the inner wall of the water tank, a temperature sensor fixedly installed on the inner wall of the water tank, an output pipe fixedly connected to the input end of the water tank, and the output end of the jacket fixedly connected to the input end of the water outlet pipe, with a water valve provided on the inner wall of the water outlet pipe.

[0010] Preferably, the outer wall of the conveying pipe has two first mounting holes, and a first bearing is fixedly inserted into the inner wall of each of the two first mounting holes. A rotating shaft is fixedly inserted between the interior of the two first bearings.

[0011] Preferably, a spiral blade is fixedly sleeved on the outer wall of the rotating shaft, and a conveying motor is fixedly connected to one side of the outer wall of the rotating shaft.

[0012] Preferably, the stirring mechanism includes a stirring tank, the top of which has a second mounting hole, and a second bearing is fixedly inserted into the inner wall of the second mounting hole.

[0013] Preferably, a stirring shaft is fixedly inserted inside the second bearing, and a set of fixing rings is fixedly sleeved on the outer wall of the stirring shaft, with three stirring rods fixedly connected to the outer wall of each set of fixing rings.

[0014] Preferably, a stirring motor is fixedly connected to the top of the stirring shaft, and a material valve is provided at the output end of the stirring tank.

[0015] Preferably, the input end of the conveying pipe is fixedly connected to the output end of the mixing tank.

[0016] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0017] 1. In this utility model, through the interaction of various components of the preheating mechanism, the continuous drive of the circulating pump and the constant heating treatment of the heating component ensure that the hot water maintains a specific temperature and circulates within the jacket. Furthermore, the screw conveyor continuously agitates the material while pushing it. In this way, efficient preheating treatment of plastic granules and additives is achieved, ensuring that the material is in full contact with the heating water and is preheated uniformly. This preheating mechanism effectively avoids the problem of local overheating or uneven heating of plastic granules within the barrel, promoting the full expansion and uniform mixing of plastic molecular chains, ensuring the consistency of the melting process, thereby significantly reducing the generation of defects such as bubbles and lumps during extrusion, and greatly improving the processing quality and production efficiency of cables.

[0018] 2. In this utility model, through the cooperation of the preheating mechanism and the stirring mechanism, the stirring component can carry out efficient mixing and uniform dispersion of plastic particles and additives, ensuring deep integration of the two. While promoting the uniform entry of materials into the extruder, the screw conveyor component will also perform secondary stirring of plastic particles and additives during the conveying process, further enhancing the mixing effect. Attached Figure Description

[0019] Figure 1 This utility model provides a front view perspective view of a plastic extrusion device for processing control cables;

[0020] Figure 2 A perspective view of the preheating mechanism of a plastic extrusion device for control cable processing is provided for this utility model;

[0021] Figure 3 This utility model provides a three-dimensional structural view of the preheating mechanism of a plastic extrusion device for control cable processing;

[0022] Figure 4 This utility model provides a three-dimensional exploded view of the stirring mechanism of a plastic extrusion device for control cable processing.

[0023] Legend: 1. Preheating mechanism; 101. Extruder body; 102. Feed pipe; 103. Conveying pipe; 104. Jacket; 105. Water inlet pipe; 106. Circulating pump; 107. Connecting pipe; 108. Water tank; 109. Heating pipe; 110. Temperature sensor; 111. Water outlet pipe; 112. Water valve; 113. First mounting hole; 114. First bearing; 115. Rotating shaft; 116. Spiral blade; 117. Conveying motor; 2. Stirring mechanism; 201. Stirring tank; 202. Second mounting hole; 203. Second bearing; 204. Stirring shaft; 205. Fixing ring; 206. Stirring rod; 207. Stirring motor; 208. Feed valve. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Example 1, as shown in the attached document Figure 1 - Appendix Figure 4 As shown, this utility model provides a technical solution: a plastic extrusion device for processing control cables, including a preheating mechanism 1, and a stirring mechanism 2 is provided on the outer wall of the preheating mechanism 1;

[0027] The preheating mechanism 1 includes an extruder body 101. A feed pipe 102 is fixedly connected to the input end of the extruder body 101. A conveying pipe 103 is fixedly connected to the input end of the feed pipe 102. A jacket 104 is fixedly connected to the outer wall of the conveying pipe 103. A water inlet pipe 105 is fixedly connected to the input end of the jacket 104. A circulating pump 106 is fixedly connected to the input end of the water inlet pipe 105. A connecting pipe 107 is fixedly connected to the input end of the circulating pump 106. A water tank 108 is fixedly connected to the input end of the connecting pipe 107. A heating pipe 109 is fixedly installed on the inner wall of the water tank 108. A temperature sensor 110 is fixedly installed. The input end of the water tank 108 is fixedly connected to the outlet pipe 111, and the output end of the jacket 104 is fixedly connected to the input end of the outlet pipe 111. A water valve 112 is provided on the inner wall of the outlet pipe 111. Two first mounting holes 113 are opened on the outer wall of the conveying pipe 103. A first bearing 114 is fixedly inserted into the inner wall of each of the two first mounting holes 113. A rotating shaft 115 is fixedly inserted between the two first bearings 114. A spiral blade 116 is fixedly sleeved on the outer wall of the rotating shaft 115. A conveying motor 117 is fixedly connected to one side of the outer wall of the rotating shaft 115.

[0028] The overall effect achieved in Embodiment 1 is as follows: First, the water inside the water tank 108 is heated by the heating pipe 109, and the water temperature is monitored in real time by the temperature sensor 110. After the plastic particles and regulator enter the delivery pipe 103, the circulation pump 106 pumps the heated water into the annular space formed by the delivery pipe 103 and the jacket 104. The delivery pipe 103 is made of stainless steel with good thermal conductivity to ensure that the heated water can fully exchange heat with the materials inside the delivery pipe 103 within the jacket 104. When the heated water inside the jacket 104 reaches a certain capacity, the water valve 112 is opened, and the heat-exchanged water can flow back to the water tank 108 and continue heating. Under the action of pipe 109, heating continues. Driven by circulating pump 106, hot water circulates continuously, providing continuous preheating for the material. At the same time, conveying motor 117 drives rotating shaft 115 and spiral blades 116 to rotate, thereby uniformly pushing the material towards feed pipe 102. During the pushing process, spiral blades 116 continuously turn the material, allowing it to contact and absorb the heat of the heating water evenly, further promoting the preheating effect. In this way, plastic granules and additives are fully preheated, thus solving the problem of uneven melting, improving the uniformity and stability of the material during extrusion, and thereby improving the processing quality and efficiency of cables.

[0029] Example 2, as Figure 2-4 As shown, the stirring mechanism 2 includes a stirring tank 201. A second mounting hole 202 is provided on the top of the stirring tank 201. A second bearing 203 is fixedly inserted into the inner wall of the second mounting hole 202. A stirring shaft 204 is fixedly inserted into the inside of the second bearing 203. A set of fixing rings 205 is fixedly sleeved on the outer wall of the stirring shaft 204. Three stirring rods 206 are fixedly connected to the outer wall of each set of fixing rings 205. A stirring motor 207 is fixedly connected to the top of the stirring shaft 204. A material valve 208 is provided at the output end of the stirring tank 201. The input end of the conveying pipe 103 is fixedly connected to the output end of the stirring tank 201.

[0030] The overall effect achieved in Embodiment 2 is as follows: First, plastic granules and additives are poured into the mixing tank 201. By starting the mixing motor 207, its output end drives the mixing shaft 204 and three sets of mixing rods 206 to rotate. During the rotation, the three sets of mixing rods 206 can effectively mix and shear the plastic granules and additives, ensuring that they can be evenly dispersed and fully integrated. Subsequently, by opening the material valve 208, the uniformly mixed material will smoothly enter the conveying pipe 103. Inside the conveying pipe 103, the screw conveyor assembly will further mix the plastic granules and additives while conveying the material, thereby further improving the mixing effect of the plastic granules and additives and laying a good foundation for the subsequent processing.

[0031] The working principle of the entire equipment is as follows: First, the signal output terminal of the temperature sensor 110 must be connected to the control system of the extruder body 101 to ensure that the control system can receive and process temperature data in real time. The control system of the extruder body 101 is a mature existing technology that can stably execute various control tasks. Then, the equipment power supply is connected to an external power source to ensure that the internal electrical components can be powered and operate normally. Next, an appropriate amount of water is injected into the water tank 108 for subsequent heating. The control system heats the water in the water tank 108 by activating the heating tube 109, while continuously monitoring the water temperature using the temperature sensor 110 to ensure that the water temperature remains within the set range. During this period, plastic granules and additives are poured into the mixing tank 201. By activating the stirring motor 207, its output terminal will drive the stirring shaft 204 and three sets of stirring rods 206 to rotate. The three sets of stirring rods 206 can effectively mix the plastic granules and additives during rotation, ensuring that they are evenly distributed. When the plastic granules and additives are mixed... After the additives are mixed evenly, the stirred material enters the conveying pipe 103 by opening the material valve 208. At this time, the control system starts the circulation pump 106, which pumps hot water into the annular space formed by the conveying pipe 103 and the jacket 104, so that the heated water can fully exchange heat with the material inside the conveying pipe 103 in the jacket 104. When the heated water inside the jacket 104 reaches a certain capacity, the water valve 112 is opened, and the heat-exchanged water can flow back to the water tank 108 and continue to be heated under the action of the heating pipe 109. Under the continuous drive of the circulation pump 106, the hot water circulates continuously, providing a continuous preheating effect for the material. At the same time, the control system starts the conveying motor 117, whose output end drives the rotating shaft 115 to rotate, which in turn drives the spiral blade 116 to rotate. The spiral blade 116 continuously turns the material during the process of pushing the material, ensuring that the material can fully contact the heated water and be preheated evenly. After preheating, the material enters the extruder body 101 at a constant speed through the feed pipe 102 for melt extrusion processing.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A plastic extrusion apparatus for processing control cables, characterized in that: It includes a preheating mechanism (1), and the outer wall of the preheating mechanism (1) is provided with a stirring mechanism (2). The preheating mechanism (1) includes an extruder body (101), the input end of which is fixedly connected to a feed pipe (102), the input end of which is fixedly connected to a conveying pipe (103), a jacket (104) fixedly connected to the outer wall of the conveying pipe (103), the input end of which is fixedly connected to a water inlet pipe (105), and the input end of which is fixedly connected to a circulating pump (106). A connecting pipe (107) is fixedly connected to the water tank (108) at its input end. A heating pipe (109) is fixedly installed on the inner wall of the water tank (108). A temperature sensor (110) is fixedly installed on the inner wall of the water tank (108). A water outlet pipe (111) is fixedly connected to the input end of the water tank (108), and the output end of the jacket (104) is fixedly connected to the input end of the water outlet pipe (111). A water valve (112) is provided on the inner wall of the water outlet pipe (111).

2. The plastic extrusion apparatus for processing control cables according to claim 1, characterized in that: The outer wall of the conveying pipe (103) has two first mounting holes (113), and the inner wall of each of the two first mounting holes (113) is fixedly inserted with a first bearing (114), and a rotating shaft (115) is fixedly inserted between the interiors of the two first bearings (114).

3. The plastic extrusion apparatus for processing control cables according to claim 2, characterized in that: The outer wall of the rotating shaft (115) is fixedly fitted with a spiral blade (116), and a conveying motor (117) is fixedly connected to one side of the outer wall of the rotating shaft (115).

4. The plastic extrusion apparatus for processing control cables according to claim 3, characterized in that: The stirring mechanism (2) includes a stirring tank (201), and a second mounting hole (202) is provided on the top of the stirring tank (201). A second bearing (203) is fixedly inserted into the inner wall of the second mounting hole (202).

5. A plastic extrusion apparatus for processing control cables according to claim 4, characterized in that: The second bearing (203) has a stirring shaft (204) fixedly inserted inside. A set of fixing rings (205) are fixedly sleeved on the outer wall of the stirring shaft (204). Three stirring rods (206) are fixedly connected to the outer wall of each set of fixing rings (205).

6. A plastic extrusion apparatus for processing control cables according to claim 5, characterized in that: A stirring motor (207) is fixedly connected to the top of the stirring shaft (204), and a material valve (208) is provided at the output end of the stirring tank (201).

7. A plastic extrusion apparatus for processing control cables according to claim 6, characterized in that: The input end of the delivery pipe (103) is fixedly connected to the output end of the mixing tank (201).

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