Multi-section heating rubber screw extruder

Abstract

The utility model relates to the technical field of extruders, and discloses a multi-section heating rubber screw extruder which comprises a base, an extrusion cylinder is fixedly mounted on the base, a screw is rotatably mounted in the extrusion cylinder, a filter screen is movably mounted at the tail end of the extrusion cylinder, and the extrusion cylinder specifically comprises a mixing pipe. A heating pipe is fixedly mounted at the tail end of the mixing pipe, a uniform mixing pipe is fixedly mounted at the tail end of the heating pipe, a discharging barrel is fixedly mounted at the tail end of the uniform mixing pipe, and a feeding barrel is fixedly mounted on the mixing pipe. According to the heating device, when the interior of the first resistance heating wire is electrified and emits heat, the interior of the second resistance heating wire connected with the first resistance heating wire in series is also in an electrified state and emits heat, and the second resistance heating wire can heat liquid poured into the heating water pipe; and the rubber raw materials in the mixing pipe, the heating pipe and the uniform mixing pipe can be subjected to multi-section heating through the second resistance heating wire and the first resistance heating wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder technical field especially relates to a kind of rubber screw extruders of multi-section heating. BACKGROUND

[0002] Rubber screw extruder is indispensable important equipment in rubber industry, it is mainly used to pass through the rotation and propulsion of screw, and is mixed in barrel, and is extruded the rubber product of required shape by mouth die. However, with the rapid development of rubber industry and the increasingly fierce market competition, traditional rubber screw extruder gradually exposes some problems in practical application, which limits the further improvement of production efficiency and the optimization of product quality.

[0003] Specifically, traditional rubber screw extruder usually adopts single heating mode, such as resistance heating or hot oil circulation heating. Although this mode can meet the basic heating demand, it cannot realize the process demand suitable for different rubber extrusion. Since rubber material will undergo complex physical and chemical changes during extrusion, its temperature has crucial influence on extrusion effect and product quality, therefore, single heating mode will cause uneven heating of rubber raw materials in different positions inside extruder. For example, foamed rubber and acrylate rubber still need to ensure the temperature of rubber raw materials before extrusion to ensure the stability during extrusion, and traditional rubber screw extruder is difficult to meet the demand of this kind of rubber production process. Therefore, we propose a rubber screw extruder of multi-section heating. SUMMARY

[0004] The utility model mainly solves the technical problem that exists in prior art, and provides a kind of rubber screw extruder of multi-section heating.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a kind of rubber screw extruder of multi-section heating, including base, fixedly installed with extrusion cylinder on base, the inside rotation of extrusion cylinder is installed with screw, the end of extrusion cylinder is movably installed with filter screen, the extrusion cylinder specifically includes mixing pipe, the end of mixing pipe is fixedly installed with heating pipe, the end of heating pipe is fixedly installed with mixing pipe, the end of mixing pipe is fixedly installed with discharge cylinder, the fixed installation of feeding cylinder is carried out on mixing pipe, wherein the outside of heating pipe is provided with first heating assembly, and the outside of mixing pipe and mixing pipe is provided with second heating assembly.

[0006] As preferred, the first heating assembly includes first resistance heating wire wound on the outer wall of the heating pipe, the first resistance heating wire is in spiral structure, the outer wall of the heating pipe is movably installed with first heat preservation sleeve, the upper surface of the first heat preservation sleeve is fixedly installed with battery pack, and the battery pack is electrically connected with the first resistance heating wire.

[0007] Preferably, the second heating assembly comprises a heating water pipe wound on the outer wall of the mixing tube and the mixing pipe respectively, a second resistance heating wire arranged in the heating water pipe, a second heat preservation sleeve movably arranged on the outer wall of the mixing tube and the mixing pipe, a connector fixing block fixedly arranged on the two ends of the heating water pipe and the first resistance heating wire, and a switch electrically connected between the end of the heating water pipe and the first resistance heating wire.

[0008] Preferably, the bottom surface of each of the two second heat preservation sleeves is provided with a support frame arranged in a trapezoidal shape, and the upper and lower ends of the support frame are fixedly connected with the second heat preservation sleeve and the base respectively.

[0009] Preferably, a water tank is fixedly arranged on the upper surface of the base between the two support frames, a water pump is fixedly arranged on the outer wall of the water tank, a second connecting pipe is fixedly connected with the water pump, one end of the second connecting pipe is in communication with one end of the heating water pipe arranged on the outer wall of the mixing tube, and a first connecting pipe is also fixedly arranged on the water tank, and the end of the first connecting pipe is in communication with the other end of the heating water pipe arranged on the outer wall of the mixing tube.

[0010] Preferably, the end of the second connecting pipe and the end of the first connecting pipe are fixedly connected with the connector fixing block arranged on the end of the heating water pipe.

[0011] Beneficial effects

[0012] The utility model provides a rubber screw extruder of multistage heating has the following beneficial effects:

[0013] (1) the rubber screw extruder of multistage heating, when the first resistance heating wire inside power heating, with the second resistance heating wire of first resistance heating wire series inside also be in the power state and heat, the second resistance heating wire can heat the liquid of the heating water pipe inside pours, and then through the second resistance heating wire and first resistance heating wire can the rubber raw material in the mixing pipe, heating pipe and mixing tube inside multistage heating.

[0014] (2) the rubber screw extruder of multistage heating, through the heating water pipe preheats the rubber raw material in the mixing pipe, can be used for improving the efficiency that the first heating assembly arranged outside the heating pipe heats rubber particles to the molten state, through the heating water pipe heats the rubber raw material in the mixing tube, can prolong the heating time of rubber raw material, is suitable for extruding the rubber under different technology, ensures the stability when extruding rubber. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can also be obtained according to the provided drawings without creative labor.

[0016] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes of the present application, should still fall within the scope of the technical content disclosed by the present application.

[0017] Figure 1 The whole structure of the present application is shown in the schematic diagram;

[0018] Figure 2 The screw structure installation schematic diagram of the present application is shown in the schematic diagram;

[0019] Figure 3 The second heat preservation sleeve structure disassembly schematic diagram of the present application is shown in the schematic diagram;

[0020] Figure 4 The first resistance heating wire structure installation schematic diagram of the present application is shown in the schematic diagram;

[0021] Figure 5 The second resistance heating wire structure installation schematic diagram of the present application is shown in the schematic diagram;

[0022] Figure 6 The mixing pipe structure schematic diagram of the present application is shown in the schematic diagram;

[0023] Figure 7 The present application Figure 4 The local enlarged schematic diagram of A in the present application is shown in the schematic diagram;

[0024] Figure 8 The heating water pipe cross section schematic diagram of the present application is shown in the schematic diagram.

[0025] Legend: 1, drive main body; 2, base; 3, discharge cylinder; 4, first heat preservation sleeve; 5, feeding cylinder; 6, battery pack; 7, switch; 8, water tank; 9, support frame; 10, first connecting pipe; 11, screw; 12, filter screen; 13, second heat preservation sleeve; 14, mixing pipe; 15, heating pipe; 16, mixing pipe; 17, water pump; 18, second connecting pipe; 19, joint fixing block; 20, heating water pipe; 21, first resistance heating wire; 22, second resistance heating wire. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0027] As shown in Figures 1-8 A multi-section heated rubber screw 11 extruder, comprising a base 2, the base 2 is fixedly installed with an extrusion barrel, the inside of the extrusion barrel is rotatably installed with a screw 11, the end of the extrusion barrel is movably installed with a filter screen 12, the extrusion barrel specifically comprises a mixing pipe 16, the end of the mixing pipe 16 is fixedly installed with a heating pipe 15, the end of the heating pipe 15 is fixedly installed with a mixing pipe 14, the end of the mixing pipe 14 is fixedly installed with a discharge barrel 3, the mixing pipe 16 is fixedly installed with a feeding barrel 5, wherein the outside of the heating pipe 15 is provided with a first heating assembly, the outside of the mixing pipe 16 and the mixing pipe 14 is provided with a second heating assembly; through the cooperation of the first heating assembly and the second heating assembly, the rubber raw materials inside the mixing pipe 16, the heating pipe 15 and the mixing pipe 14 can be heated in multiple sections.

[0028] As shown in Figure 4 The first heating assembly comprises a first resistance heating wire 21 wound on the outer wall of the heating pipe 15, the first resistance heating wire 21 is in a spiral structure, the outer wall of the heating pipe 15 is movably installed with a first heat preservation sleeve 4, the upper surface of the first heat preservation sleeve 4 is fixedly installed with a battery pack 6, and the battery pack 6 is electrically connected with the first resistance heating wire 21; the battery pack 6 arranged on the outer wall of the heating pipe 15 can supply power to the first resistance heating wire 21, so that the first resistance heating wire 21 generates heat and then heats the heating pipe 15 through heat conduction, thereby heating the rubber raw materials inside the heating pipe 15.

[0029] As shown in Figure 5As shown, the second heating assembly comprises a heating water pipe 20 wound on the outer wall of the mixing tube 14 and the mixing tube 16 respectively, the inside of the heating water pipe 20 is provided with the second resistance heating wire 22, the outer part of the mixing tube 14 and the mixing tube 16 is movably provided with the second heat preservation sleeve 13, the two ends of the heating water pipe 20 and the first resistance heating wire 21 are fixedly provided with the joint fixing block 19, the ends of the heating water pipe 20 and the first resistance heating wire 21 are fixedly connected with the corresponding positions of the mixing tube 14, the heating tube 15 and the mixing tube 16 through the joint fixing block 19, and the ends of the heating water pipe 20 and the first resistance heating wire 21 are electrically connected with the switch 7; the second heating assembly can heat the rubber raw materials in the mixing tube 16 and the mixing tube 14 in the state that the second resistance heating wire 22 and the first resistance heating wire 21 are connected, the second resistance heating wire 22 arranged on the outer wall of the mixing tube 16 and the mixing tube 14 can be controlled separately through the two switches 7, when the first resistance heating wire 21 is electrified and heated, the second resistance heating wire 22 connected with the first resistance heating wire 21 is also in the electrified state and heated, the second resistance heating wire 22 can heat the liquid filled in the heating water pipe 20, and then the rubber raw materials in the mixing tube 16, the heating tube 15 and the mixing tube 14 can be heated in multiple stages through the second resistance heating wire 22 and the first resistance heating wire 21, wherein the rubber raw materials in the mixing tube 16 are preheated through the heating water pipe 20, which can improve the efficiency of the first heating assembly arranged outside the heating tube 15 to heat the rubber particles to the molten state, and the rubber raw materials are heated through the heating water pipe 20, which can prolong the heating time of the rubber raw materials and is suitable for extruding rubber under different processes to ensure the stability of the rubber extrusion.

[0030] As shown in Figure 2 the bottom surface of the two second heat preservation sleeves 13 is provided with the support frame 9, the support frame 9 is arranged in a trapezoidal shape, and the upper and lower ends of the support frame 9 are fixedly connected with the corresponding positions of the second heat preservation sleeve 13 and the base 2 respectively; the support frame 9 can support and fix the second heat preservation sleeve 13.

[0031] As shown in Figure 2As shown, the upper surface of the base 2 is fixedly installed with a water tank 8 between two support frames 9, the outer wall of the water tank 8 is fixedly installed with a water pump 17, the water pump 17 is fixedly connected with a second connecting pipe 18, the other end of the second connecting pipe 18 is in communication with one end of a heating water pipe 20 arranged on the outer wall of the mixing pipe 14, the water tank 8 is also fixedly installed with a first connecting pipe 10, the distal end of the first connecting pipe 10 is in communication with the other end of the heating water pipe 20 arranged on the outer wall of the mixing pipe 14; under the action of the water pump 17, the liquid inside the water tank 8 can be sucked into the inside of the heating water pipe 20, realizing the circulation of the cooling liquid between the second connecting pipe 18, the heating water pipe 20, the first connecting pipe 10 and the water tank 8, and further assisting the rubber inside the mixing pipe 14 to dissipate heat, so that the device is suitable for different rubber extrusion processes.

[0032] As shown in Figure 5 the distal end of the second connecting pipe 18 and the first connecting pipe 10 are fixedly connected with a joint fixed block 19 arranged at the distal end of the heating water pipe 20, the arrangement of the joint fixed block 19 can coat the joint of the second connecting pipe 18, the first connecting pipe 10 and the heating water pipe 20, and fix the heating water pipe 20 and the distal end of the second connecting pipe 18 and the first connecting pipe 10, improving the connection strength between the heating water pipe 20 and the second connecting pipe 18 and the first connecting pipe 10.

[0033] The utility model discloses a working principle: in use, the extrusion cylinder is by mixed pipe 16, heating pipe 15, mix even pipe 14 and discharge cylinder 3 common composition, the inside setting of extrusion cylinder has screw rod 11, through the existing drive main body 1 can drive screw rod 11 rotation, the drive main body 1 and screw rod 11 etc. in this technical scheme are same with the structure of XJ-85 in prior art, wherein the granular raw material of rubber is added into the inside of mixed pipe 16 through feed cylinder 5, when screw rod 11 rotates under the drive of drive main body 1, can mix rubber raw material, then under the action of screw rod 11, the rubber raw material is delivered to the inside of heating pipe 15 and heats, after the rubber raw material of heating into molten state enters the inside mix even pipe 14 and mixes even, then extrudes outward through the device, wherein the battery pack 6 set up at the outer wall of heating pipe 15 can supply power to first resistance heating wire 21, so that first resistance heating wire 21 heats and then heats heating pipe 15 through heat conduction, and then heats the rubber raw material in the inside of heating pipe 15, and the process of different rubber is different when extruding, and the user can make second resistance heating wire 22 in the inside of heating water pipe 20 and first resistance heating wire 21 connect through the switch 7 set up at the both ends of first resistance heating wire 21, then when first resistance heating wire 21 inside is electrified and heats, and second resistance heating wire 22 in series with first resistance heating wire 21 inside is also in the electrified state and heats, and second resistance heating wire 22 can heat the liquid filled in the inside of heating water pipe 20, and then through second resistance heating wire 22 and first resistance heating wire 21 can carry out multistage heating to the rubber raw material in the inside of mixed pipe 16, heating pipe 15 and mix even pipe 14, wherein through heating water pipe 20, the rubber raw material in the inside of mixed pipe 16 is preheated, can be used for improving the efficiency that first heating assembly set up outside heating pipe 15 heats rubber granule to molten state, through heating water pipe 20, the rubber raw material in the inside of mix even pipe 14 is heated, can prolong the heating time of rubber raw material, is applicable to the rubber under different process and extrudes, ensures the stability when extruding rubber, through two switches 7 can control second resistance heating wire 22 and first resistance heating wire 21 connect respectively in the outside setting of mixed pipe 16 and mix even pipe 14, specifically can decide according to the process of different rubber in production, and the second connecting pipe 18 and first connecting pipe 10 that are connected with the both ends of heating water pipe 20 set up at the outer wall of mix even pipe 14 all are provided with solenoid valve, before second resistance heating wire 22 electrified and heats, close solenoid valve, through second resistance heating wire 22, the static liquid in the inside of heating water pipe 20 is heated, in the rubber extrusion process that needs to cool the rubber in molten state quickly, solenoid valve is in the open state, through water pump 17, the cooling liquid in the inside of water tank 8 is sucked into the inside of heating water pipe 20, so that the liquid circulates between heating water pipe 20, second connecting pipe 18, first connecting pipe 10 and water tank 8 under the action of heat conduction, and then assist mix even pipe 14 to radiate heat, and then assist the rubber in molten state in the inside of mix even pipe 14 to cool down,The device is suitable for processing rubber under various extrusion processes, and the application range of the device is improved.

Claims

1. A multi-section heated rubber screw extruder, comprising a base (2), a fixedly installed extrusion cylinder on the base (2), a screw (11) rotatably installed inside the extrusion cylinder, and a filter screen (12) movably installed at the end of the extrusion cylinder, characterized in that: The extrusion barrel specifically comprises a mixing pipe (16), a heating pipe (15) fixedly installed at the end of the mixing pipe (16), a mixing pipe (14) fixedly installed at the end of the heating pipe (15), a discharge barrel (3) fixedly installed at the end of the mixing pipe (14), and a feeding barrel (5) fixedly installed on the mixing pipe (16), wherein the first heating assembly is arranged outside the heating pipe (15), and the second heating assembly is arranged outside the mixing pipe (16) and the mixing pipe (14).

2. A multi-zone heated rubber screw extruder as claimed in claim 1, characterized in that: The first heating assembly comprises a first resistance heating wire (21) spirally wound on the outer wall of the heating pipe (15), and the outer wall of the heating pipe (15) movably installs a first heat preservation sleeve (4), the upper surface of the first heat preservation sleeve (4) fixedly installs a battery pack (6), and the battery pack (6) is electrically connected with the first resistance heating wire (21).

3. A multi-zone heated rubber screw extruder as claimed in claim 2, wherein: The second heating assembly comprises a heating water pipe (20) wound on the outer wall of the mixing pipe (14) and the mixing pipe (16) respectively, a second resistance heating wire (22) arranged in the heating water pipe (20), a second heat preservation sleeve (13) movably arranged on the outer wall of the mixing pipe (14) and the mixing pipe (16), a connector fixed block (19) fixedly installed at both ends of the heating water pipe (20) and the first resistance heating wire (21), the ends of the heating water pipe (20) and the first resistance heating wire (21) are fixedly connected with the mixing pipe (14), the heating pipe (15) and the mixing pipe (16) at corresponding positions through the connector fixed block (19), and a switch (7) is electrically connected between the ends of the heating water pipe (20) and the first resistance heating wire (21).

4. A multi-zone heated rubber screw extruder as claimed in claim 3, wherein: The bottom surface of each of the two second heat preservation sleeves (13) is provided with a support frame (9), the support frame (9) is arranged in a trapezoidal shape, and the upper and lower ends of the support frame (9) are fixedly connected with the second heat preservation sleeve (13) and the base (2) at corresponding positions.

5. A multi-zone heated rubber screw extruder as claimed in claim 4, wherein: The upper surface of the base (2) between the two support frames (9) fixedly installs a water tank (8), the outer wall of the water tank (8) fixedly installs a water pump (17), the water pump (17) fixedly connects a second connecting pipe (18), the other end of the second connecting pipe (18) is in communication with one end of the heating water pipe (20) arranged on the outer wall of the mixing pipe (14), and the water tank (8) further fixedly installs a first connecting pipe (10), the end of the first connecting pipe (10) is in communication with the other end of the heating water pipe (20) arranged on the outer wall of the mixing pipe (14).

6. A multi-zone heated rubber screw extruder as claimed in claim 5, wherein: The ends of the second connecting pipe (18) and the first connecting pipe (10) are fixedly connected with the connector fixed block (19) arranged at the end of the heating water pipe (20).

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