Melting device for polyethylene cable material production

Abstract

The utility model relates to a melting device for polyethylene cable material production, which comprises a melting furnace and a feed pipe fixedly inserted at the top of the melting furnace, a quantity limiting mechanism for quantitative feeding is arranged on the melting furnace on one side of the feed pipe, and a heat insulation sleeve is fixedly sleeved on the outer wall of the melting furnace. A plurality of electric heating plates used for heating the melting furnace are fixedly embedded in the inner wall of the heat preservation sleeve. A polyethylene mixture located in the feeding pipe is preheated through the multiple electric heating rods, and the melting speed of the polyethylene mixture is increased; the top of the feeding pipe is blocked through a second baffle plate, redundant polyethylene mixed materials are prevented from entering the feeding pipe, the extending end of an electric push rod is controlled to extend to the longest, a turnover frame rotates, most of the area of a first baffle plate is pulled out of the feeding pipe, and the amount of the polyethylene mixed materials entering the melting furnace is controlled; and the situation that part of the polyethylene mixture is not fully fused due to accumulation of the polyethylene mixture in the fusing furnace is avoided, and the fusing efficiency of the polyethylene mixture is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene cable production, in particular to a melting device for producing polyethylene cable materials. Background Technique

[0002] Polyethylene is a thermoplastic resin obtained by polymerizing ethylene. Industrially, it also includes copolymers of ethylene and a small amount of α-olefins. It has good chemical stability and can resist the erosion of most acids and alkalis, but is not resistant to acids with oxidative properties. In the process of producing polyethylene cables, it is necessary to melt the uniformly mixed polyethylene mixture and then extrude it into pellets for processing and production.

[0003] The existing melting furnace melts the polyethylene mixture located therein through an electric heating plate. During the feeding process, it is inconvenient to adjust the amount of the polyethylene mixture, which easily causes the situation of excessive feeding. Excessive feeding will lead to the accumulation of the polyethylene mixture, increasing the heat conduction distance, thereby reducing the thermal efficiency. Some of the polyethylene mixture fails to be fully melted, affecting its melting efficiency. Content of the Utility Model

[0004] The technical problems solved by this solution are as follows:

[0005] (1) How to solve the problems that excessive feeding will cause the accumulation of the polyethylene mixture, increase the heat conduction distance, reduce the thermal efficiency, and some of the polyethylene mixture fails to be fully melted, affecting its melting efficiency.

[0006] The purpose of the utility model can be realized by the following technical solutions: A melting device for producing polyethylene cable materials includes a melting furnace and a feeding pipe fixedly inserted at the top thereof. A limiting mechanism for quantitative feeding is arranged on the melting furnace on one side of the feeding pipe. A heat preservation sleeve is fixedly sleeved on the outer wall of the melting furnace, and a plurality of electric heating plates for heating the melting furnace are fixedly embedded on the inner wall of the heat preservation sleeve.

[0007] A further technical improvement of the utility model lies in that: The limiting mechanism includes a first baffle plate and a second baffle plate movably inserted in the middle of the feeding pipe. A connecting frame is fixedly installed on the outer wall of the feeding pipe between the first baffle plate and the second baffle plate. A turning frame is rotatably connected to the connecting frame. One end of the first baffle plate away from the feeding pipe is movably connected to the bottom of the turning frame through a lever.

[0008] A further technical improvement of the utility model lies in that: A baffle is fixedly installed at one end of the second baffle plate away from the feeding pipe. A guide rod is fixedly connected to the side of the baffle. A sliding sleeve is slidably sleeved on the guide rod, and a push-pull spring is fixedly connected between the sliding sleeve and the baffle.

[0009] A further technical improvement of the utility model lies in that: an electric push rod arranged horizontally is fixedly installed at the top of the melting furnace, the extending end of the electric push rod is fixedly connected with a positioning frame, the top end of the positioning frame is fixedly connected with a sliding sleeve, and a transmission wheel is rotatably arranged at the bottom of the positioning frame, and the position of the transmission wheel corresponds to the position of the top of the turnover frame.

[0010] A further technical improvement of the utility model lies in that: both the first baffle plate and the second baffle plate are arranged horizontally, and a plurality of electric heating rods are fixedly embedded on the inner wall of the feed pipe between the first baffle plate and the second baffle plate; by turning on the plurality of electric heating rods, the polyethylene mixture located in the feed pipe is preheated to accelerate the melting speed of the polyethylene mixture; then control the extending end of the electric push rod to extend to half of its length. During this process, the extending end of the electric push rod pushes the sliding sleeve to move, and cooperates with the push-pull spring to drive the baffle plate and the second baffle plate to move, so that the second baffle plate blocks the top of the feed pipe to prevent excess polyethylene mixture from entering the feed pipe. Continue to control the extending end of the electric push rod to extend to the longest, the distance between the sliding sleeve and the baffle plate is reduced, the transmission wheel provides a thrust to the top of the turnover frame, so that the turnover frame rotates, driving most of the area of the first baffle plate to be withdrawn from the feed pipe, controlling the amount of polyethylene mixture entering the melting furnace, avoiding the accumulation of polyethylene mixture in the melting furnace, causing some polyethylene mixture to not be fully melted, and preventing the influence on the melting efficiency of the polyethylene mixture.

[0011] A further technical improvement of the utility model lies in that: a tension spring is fixedly connected between the outer wall of the feed pipe and the bottom of the turnover frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When the utility model is in use, by turning on the plurality of electric heating rods, the polyethylene mixture located in the feed pipe is preheated to accelerate the melting speed of the polyethylene mixture; then control the extending end of the electric push rod to extend to half of its length. During this process, the extending end of the electric push rod pushes the sliding sleeve to move, and cooperates with the push-pull spring to drive the baffle plate and the second baffle plate to move, so that the second baffle plate blocks the top of the feed pipe to prevent excess polyethylene mixture from entering the feed pipe. Continue to control the extending end of the electric push rod to extend to the longest, the distance between the sliding sleeve and the baffle plate is reduced, the transmission wheel provides a thrust to the top of the turnover frame, so that the turnover frame rotates, driving most of the area of the first baffle plate to be withdrawn from the feed pipe, controlling the amount of polyethylene mixture entering the melting furnace, avoiding the accumulation of polyethylene mixture in the melting furnace, causing some polyethylene mixture to not be fully melted, and preventing the influence on the melting efficiency of the polyethylene mixture. Description of the Drawings

[0014] For the convenience of those skilled in the art to understand, the following further describes the present utility model in conjunction with the accompanying drawings.

[0015] Figure 1 It is a schematic cross-sectional view of the overall structure of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the limiting mechanism of the present utility model;

[0017] Figure 3 For the present utility model Figure 2 The enlarged view of the structure at position A in it;

[0018] Figure 4 It is a three-dimensional schematic view of the structure at the guide rod and the second baffle of the present utility model.

[0019] In the figure: 1, feed pipe; 2, limiting mechanism; 3, heat preservation sleeve; 4, electric heating plate; 5, melting furnace; 6, discharge pipe; 201, turning frame; 202, dial rod; 203, first baffle; 204, electric heating rod; 205, second baffle; 206, push-pull spring; 207, sliding sleeve; 208, electric push rod; 209, transmission wheel; 210, guide rod; 211, baffle. Specific embodiments

[0020] The following will clearly and completely describe the technical solutions of the present utility model in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0021] Please refer to Figures 1-4 As shown, a melting device for producing polyethylene cable material includes a melting furnace 5 and a feed pipe 1 fixedly inserted at the top thereof. A limiting mechanism 2 for quantitative feeding is provided on the melting furnace 5 on one side of the feed pipe 1. A heat preservation sleeve 3 is fixedly sleeved on the outer wall of the melting furnace 5, and a plurality of electric heating plates 4 for heating the melting furnace 5 are fixedly embedded in the inner wall of the heat preservation sleeve 3.

[0022] Please refer to Figures 1-4 As shown, the above-mentioned limiting mechanism 2 includes a first baffle 203 and a second baffle 205 movably inserted in the middle of the feed pipe 1. A connecting frame is fixedly installed on the outer wall of the feed pipe 1 between the first baffle 203 and the second baffle 205. A turning frame 201 is rotatably connected to the connecting frame, and one end of the first baffle 203 away from the feed pipe 1 is movably connected to the bottom of the turning frame 201 through a dial rod 202.

[0023] Please refer to Figures 1-4As shown in the figure, a baffle 211 is fixedly installed at one end of the above-mentioned second baffle 205 away from the feed pipe 1. A guide rod 210 is fixedly connected to the side of the baffle 211. A sliding sleeve 207 is slidably sleeved on the guide rod 210. A push-pull spring 206 is fixedly connected between the sliding sleeve 207 and the baffle 211.

[0024] Please refer to Figures 1-4 As shown in the figure, a horizontally arranged electric push rod 208 is fixedly installed on the top of the above-mentioned melting furnace 5. The extending end of the electric push rod 208 is fixedly connected to a positioning frame. The top end of the positioning frame is fixedly connected to the sliding sleeve 207. And a transmission wheel 209 is rotatably arranged at the bottom of the positioning frame. The position of the transmission wheel 209 corresponds to the position of the top of the flipping frame 201.

[0025] Please refer to Figures 1-4 As shown in the figure, the above-mentioned first baffle 203 and second baffle 205 are both horizontally arranged. And a plurality of electric heating rods 204 are fixedly embedded in the inner wall of the feed pipe 1 between the first baffle 203 and the second baffle 205. By turning on the plurality of electric heating rods 204, the polyethylene mixture located in the feed pipe 1 is preheated to accelerate the melting speed of the polyethylene mixture. Then control the extending end of the electric push rod 208 to extend to half of its length. During this process, the extending end of the electric push rod 208 pushes the sliding sleeve 207 to move, and cooperates with the push-pull spring 206 to drive the baffle 211 and the second baffle 205 to move, so that the second baffle 205 blocks the top of the feed pipe 1 to prevent excess polyethylene mixture from entering the feed pipe 1. Continue to control the extending end of the electric push rod 208 to extend to the longest. The distance between the sliding sleeve 207 and the baffle 211 is reduced. The transmission wheel 209 provides a thrust to the top of the flipping frame 201, causing the flipping frame 201 to rotate, driving most of the area of the first baffle 203 to be withdrawn from the feed pipe 1, controlling the amount of polyethylene mixture entering the melting furnace 5, preventing the polyethylene mixture from accumulating in the melting furnace 5, causing some polyethylene mixture to not be fully melted, and preventing the efficiency of melting the polyethylene mixture from being affected.

[0026] Please refer to Figure 2 As shown in the figure, a tension spring is fixedly connected between the outer wall of the above-mentioned feed pipe 1 and the bottom of the flipping frame 201.

[0027] Please refer to Figure 1 As shown in the figure, a discharge pipe 6 is fixedly inserted at the bottom of the above-mentioned melting furnace 5. A control valve is fixedly installed in the middle of the discharge pipe 6.

[0028] Working principle: When the utility model is in use, first, the externally provided feeding device puts the uniformly mixed polyethylene mixture into the feeding pipe 1. At this time, by controlling the retraction of the extending end of the electric push rod 208 to the shortest, most of the area of the second baffle 205 is outside the feeding pipe 1, facilitating the entry of the polyethylene mixture into the feeding pipe 1. Due to the action of the tension spring, the first baffle 203 blocks the bottom of the feeding pipe 1, preventing the polyethylene mixture from entering the melting furnace 5. At the same time, by turning on several electric heating rods 204, the polyethylene mixture located in the feeding pipe 1 is preheated to accelerate the melting speed of the polyethylene mixture; then control the extending end of the electric push rod 208 to extend to half of its length. During this process, the extending end of the electric push rod 208 pushes the sliding sleeve 207 to move, driving the baffle 211 and the second baffle 205 to move in cooperation with the push-pull spring 206, so that the second baffle 205 blocks the top of the feeding pipe 1, preventing the excess polyethylene mixture from entering the feeding pipe 1. Continue to control the extending end of the electric push rod 208 to extend to the longest, the distance between the sliding sleeve 207 and the baffle 211 decreases, and the transmission wheel 209 provides a thrust to the top of the turning frame 201, causing the turning frame 201 to rotate, driving most of the area of the first baffle 203 to be withdrawn from the feeding pipe 1, controlling the amount of the polyethylene mixture entering the melting furnace 5, preventing the polyethylene mixture in the melting furnace 5 from accumulating, resulting in some polyethylene mixture not being fully melted, and preventing the influence on the melting efficiency of the polyethylene mixture; after the feeding operation is completed, control several electric heating plates 4 to heat the polyethylene mixture in the melting furnace 5, and cooperate with the heat preservation sleeve 3 to play a role in quickly melting the polyethylene mixture.

[0029] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form an equivalent embodiment with equivalent changes within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A melting device for producing polyethylene cable material, comprising a melting furnace (5) and a feed pipe (1) fixedly inserted at the top thereof, characterized in that: A limiting mechanism (2) for quantitative feeding is arranged on the melting furnace (5) on one side of the feed pipe (1). A heat preservation sleeve (3) is fixedly sleeved on the outer wall of the melting furnace (5), and a plurality of electric heating plates (4) for heating the melting furnace (5) are fixedly embedded on the inner wall of the heat preservation sleeve (3).

2. The melting device for producing polyethylene cable material according to claim 1, wherein, The limiting mechanism (2) includes a first baffle plate (203) and a second baffle plate (205) movably inserted in the middle of the feed pipe (1). A turning frame (201) is rotatably connected to the outer wall of the feed pipe (1) between the first baffle plate (203) and the second baffle plate (205) through a connecting frame. One end of the first baffle plate (203) away from the feed pipe (1) is movably connected to the bottom of the turning frame (201).

3. The melting device for producing polyethylene cable materials according to claim 2, wherein, A baffle (211) is fixedly installed at one end of the second baffle plate (205) away from the feed pipe (1). A guide rod (210) is fixedly connected to the side surface of the baffle (211). A sliding sleeve (207) is slidably sleeved on the guide rod (210), and a push-pull spring (206) is fixedly connected between the sliding sleeve (207) and the baffle (211).

4. A melting device for producing polyethylene cable material according to claim 1, characterized in that, An electric push rod (208) is fixedly installed on the top of the melting furnace (5). The extending end of the electric push rod (208) is fixedly connected with a positioning frame. The top end of the positioning frame is fixedly connected with the sliding sleeve (207), and a transmission wheel (209) is rotatably arranged at the bottom of the positioning frame. The position of the transmission wheel (209) corresponds to the position of the top of the turning frame (201).

5. The melting device for producing polyethylene cable material according to claim 2, characterized in that, Both the first baffle plate (203) and the second baffle plate (205) are transversely arranged, and a plurality of electric heating rods (204) are fixedly embedded on the inner wall of the feed pipe (1) between the first baffle plate (203) and the second baffle plate (205).

6. The melting device for producing polyethylene cable material according to claim 1, characterized in that, A tension spring is fixedly connected between the outer wall of the feed pipe (1) and the bottom of the turning frame (201).

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