Halogen-free cable material extruder

Abstract

The utility model discloses a halogen-free cable material extruder, which comprises a box body and an extruder body, the upper part of the inner cavity of the box body is provided with a material mixing mechanism convenient for material mixing, the lower part of the inner cavity of the box body is provided with a screening mechanism convenient for raw material screening, the lower part of the inner cavity of the box body is fixedly provided with an outer cylinder, and the screening mechanism comprises a connecting block. A screening net barrel is rotationally connected to the inner side of the outer barrel, a fixing plate is fixedly installed on the upper portion of the inner side of the screening net barrel, a connecting base is fixedly installed at the top of the fixing plate, a connecting groove is formed in the top of the connecting base, and a connecting block is inserted into the connecting groove; through the arrangement of the screening mechanism, the screening device has the advantages that added raw materials are screened, so that small impurities are separated, and a centrifugal force separation method is adopted for screening, so that subsequent finished products are improved; and when the connecting block is driven to rotate, the screening net barrel is rotated and separated through the connecting seat and the connecting groove which are matched with each other.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a halogen-free cable material extruder. Background Art

[0002] With the development of flame retardant technology for cable materials, new flame retardant cables are constantly being produced, from ordinary flame retardant cables to low-smoke, low-halogen flame retardant cables and low-smoke, halogen-free flame retardant cables. When the existing barrel is unloaded, it is easy to cause accumulation at the feeding end of the barrel, which is not conducive to material extrusion.

[0003] In view of the above technical problems, for example, the announcement number CN215903923U discloses a barrel body and an extruder of a low-smoke halogen-free cable extruder, wherein a plurality of fins are formed on the surface of the barrel body, effectively increasing the surface area of ​​the barrel body and improving the heat dissipation efficiency;

[0004] The above patent also has the following shortcomings: in actual use, since raw materials need to be added, the process of adding raw materials is not conducive to cleaning smaller impurities contained in the raw materials, which can easily lead to impurities in the subsequent extruded finished materials. At the same time, when multiple raw materials are added at the same time, mixing cannot be performed, and it is not conducive to uniform thermal mixing. Utility Model Content

[0005] The purpose of the utility model is to provide a halogen-free cable material extruder, which can clean up smaller impurities contained in the raw materials, which is not only beneficial to improve the cleanliness of the raw materials, but also to improve the quality of the finished materials. At the same time, it can also evenly mix a variety of raw materials to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a halogen-free cable material extruder, comprising a box body and an extruder body, the upper part of the inner cavity of the box body is provided with a mixing mechanism for facilitating mixing, the lower part of the inner cavity of the box body is provided with a screening mechanism for facilitating screening of raw materials, an outer cylinder is fixedly installed at the lower part of the inner cavity of the box body, the screening mechanism comprises a connecting block, a screening net barrel is rotatably connected to the inner side of the outer cylinder, a fixing plate is fixedly installed at the upper part of the inner side of the screening net barrel, a connecting seat is fixedly installed at the top of the fixing plate, a connecting groove is opened at the top of the connecting seat, a connecting block is inserted into the connecting groove, and a guide plate is fixedly installed at the lower part of the inner cavity of the outer cylinder.

[0007] Preferably, the mixing mechanism comprises a supporting assembly, a power assembly and a rotating assembly, wherein the supporting assembly is arranged at the upper part of the inner cavity of the box body, the power assembly is arranged at the upper part of the inner cavity of the supporting assembly, and the rotating assembly is arranged below the power assembly.

[0008] Preferably, the support assembly includes a mixing barrel and a mounting plate, the mixing barrel is fixedly mounted on the upper portion of the inner cavity of the box body, and the mounting plate is fixedly mounted on the upper portion of the inner side of the mixing barrel.

[0009] Preferably, the power assembly comprises a motor and a mixing rod, the motor is fixedly mounted on the top of the mounting plate, and the mixing rod is keyed to the output shaft of the motor.

[0010] Preferably, the rotating assembly comprises a mixing blade and holes, the mixing blade is fixedly mounted on the outer side of the mixing rod, and the holes are opened at the upper and lower parts of the outer side of the mixing blade.

[0011] Preferably, the connecting block is fixed to the lower portion of the outer side of the mixing rod, and the bottom end of the mixing rod is inserted into the interior of the connecting seat.

[0012] Preferably, a bracket is fixedly mounted on the lower portion of the outer side of the box body, and the extruder body is fixedly mounted on the bottom end of the bracket.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model has the function of screening the added raw materials through the setting of the screening mechanism, so as to separate the smaller impurities, and adopts the centrifugal separation method to screen and process, so as to improve the advantages of the subsequent finished materials, and utilizes the connection block to be driven to rotate through the matching connection seat and connection groove to make the screening net barrel complete the rotation separation.

[0015] 2. The utility model has the advantage of screening and processing when adding multiple materials at the same time through the setting of the mixing mechanism, so that the multiple materials are mixed first, which is convenient for the uniformity of the subsequent mixing after heating. The mixing rod and the mixing blade are driven to rotate by the motor in the mixing barrel, so as to perform auxiliary mixing operations on the added materials.

[0016] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0019] Figure 3 This is a schematic diagram of the outer cylinder structure of the utility model;

[0020] Figure 4This is a schematic diagram of the connecting groove structure of the utility model.

[0021] In the figure: 1. box body; 2. mixing mechanism; 21. mixing barrel; 22. mounting plate; 23. motor; 24. mixing rod; 25. mixing blade; 3. screening mechanism; 31. connecting block; 32. connecting seat; 33. connecting groove; 34. fixing plate; 35. screening net barrel; 4. outer cylinder; 5. guide plate; 6. bracket; 7. extruder body. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a halogen-free cable material extruder, comprising a box body 1 and an extruder body 7, wherein a mixing mechanism 2 for facilitating mixing is arranged at the upper part of an inner cavity of the box body 1, a screening mechanism 3 for facilitating screening of raw materials is arranged at the lower part of the inner cavity of the box body 1, an outer cylinder 4 is fixedly installed at the lower part of the inner cavity of the box body 1, the screening mechanism 3 comprises a connecting block 31, a screening net barrel 35 is rotatably connected to the inner side of the outer cylinder 4, a fixing plate 34 is fixedly installed at the upper part of the inner side of the screening net barrel 35, a connecting seat 32 is fixedly installed at the top of the fixing plate 34, a connecting groove 33 is opened at the top of the connecting seat 32, a connecting block 31 is inserted into the inner part of the connecting groove 33, and a guide plate 5 is fixedly installed at the lower part of the inner cavity of the outer cylinder 4.

[0024] It is convenient to screen out smaller impurities in the raw materials, and the screening process is carried out by centrifugal rotation separation, which can improve the screening efficiency.

[0025] When filtering:

[0026] The connecting block 31 will be driven by the mixing rod 24, and the connecting seat 32 and the connecting groove 33 matched with the connecting block 31 will be driven by the connecting block 31 to rotate, and then the screening net barrel 35 connected to the bottom of the connecting seat 32 will be driven to rotate at the same time, and the screening net barrel 35 will rotate together inside the outer cylinder 4. During the rotation, the material mixture above will fall down and fall into the inside of the screening net barrel 35, and then the impurities contained in the material will be separated and rotated into the inside of the outer cylinder 4 through centrifugal rotation. The separated impurities will fall on the top of the guide plate 5, and the guide plate 5 is set in an inclined shape, so it will roll and flow outward along the guide plate 5, and the impurities can be collected by the external collecting device;

[0027] The raw materials remaining inside will continue to flow downward and stay in the extruder body 7 for heating and spiral conveying to complete the extrusion operation. The mesh of the screening net barrel 35 is smaller than the volume of the raw materials, which is convenient for retaining the raw materials during screening and separating small impurities.

[0028] Preferably, the mixing mechanism 2 includes a support assembly, a power assembly and a rotating assembly. The support assembly is arranged at the upper part of the inner cavity of the box body 1, the power assembly is arranged at the upper part of the inner cavity of the support assembly, and the rotating assembly is arranged below the power assembly.

[0029] like Figure 4 As shown, the support assembly includes a mixing barrel 21 and a mounting plate 22. The mixing barrel 21 is fixedly mounted on the upper part of the inner cavity of the box body 1, and the mounting plate 22 is fixedly mounted on the upper part of the inner side of the mixing barrel 21, which is conducive to collecting materials and supporting the installation of the motor 23 and the mixing rod 24.

[0030] like Figure 4 As shown, the power assembly includes a motor 23 and a mixing rod 24. The motor 23 is fixedly mounted on the top of the mounting plate 22. The mixing rod 24 is keyed to the output shaft of the motor 23 to facilitate power output so as to perform rotational mixing work. At the same time, it can also drive the screening mechanism 3 below to perform centrifugal rotation separation processing.

[0031] like Figure 4 As shown, the rotating assembly includes a mixing paddle 25 and holes. The mixing paddle 25 is fixedly mounted on the outside of the mixing rod 24, and the holes are opened at the upper and lower parts of the outside of the mixing paddle 25. The mixing paddle 25 and the holes are used to facilitate direct contact with the material and to rotate and mix the material to complete the mixing operation.

[0032] like Figure 4 As shown, the connecting block 31 is fixed to the lower part of the outer side of the mixing rod 24, and the bottom end of the mixing rod 24 is inserted into the inside of the connecting seat 32, which is convenient for fixing the connecting block 31 and can drive the components below it to rotate through the connecting block 31.

[0033] When mixing:

[0034] Directly start the motor 23, and use the motor 23 to directly drive the mixing rod 24 to rotate. In addition, the mixing rod 24 will directly drive the electric mixing blade 25 and the hole to rotate together. At this time, the raw materials are directly transported to the inside of the mixing barrel 21 by the external feeding equipment, and then the raw materials will be driven to rotate during the rotation process. When contacting the material, multiple rotations will be directly driven to mix, which is beneficial to the subsequent rapid mixing and heating work.

[0035] like Figure 1 , 2As shown in FIG. 3 , a bracket 6 is fixedly installed at the lower part of the outer side of the box body 1 , and an extruder body 7 is fixedly installed at the bottom end of the bracket 6 . The extruder body 7 completes the thermal extrusion operation after receiving the material from above, and the bracket 6 is conducive to supporting and fixing the box body 1 .

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Halogen-free cable material extruder, characterized by: The invention comprises a box body (1) and an extruder body (7), wherein a mixing mechanism (2) for facilitating mixing is arranged at the upper part of the inner cavity of the box body (1), a screening mechanism (3) for facilitating screening of raw materials is arranged at the lower part of the inner cavity of the box body (1), an outer cylinder (4) is fixedly installed at the lower part of the inner cavity of the box body (1), the screening mechanism (3) comprises a connecting block (31), a screening net barrel (35) is rotatably connected to the inner side of the outer cylinder (4), a fixing plate (34) is fixedly installed at the upper part of the inner side of the screening net barrel (35), a connecting seat (32) is fixedly installed at the top of the fixing plate (34), a connecting groove (33) is provided at the top of the connecting seat (32), a connecting block (31) is inserted into the inner part of the connecting groove (33), and a guide plate (5) is fixedly installed at the lower part of the inner cavity of the outer cylinder (4).

2. The halogen-free cable material extruder according to claim 1, characterized in that: The mixing mechanism (2) comprises a support assembly, a power assembly and a rotating assembly, wherein the support assembly is arranged at the upper part of the inner cavity of the box body (1), the power assembly is arranged at the upper part of the inner cavity of the support assembly, and the rotating assembly is arranged below the power assembly.

3. The halogen-free cable material extruder according to claim 2, characterized in that: The support assembly comprises a mixing barrel (21) and a mounting plate (22); the mixing barrel (21) is fixedly mounted on the upper part of the inner cavity of the box body (1); and the mounting plate (22) is fixedly mounted on the upper part of the inner side of the mixing barrel (21).

4. The halogen-free cable material extruder according to claim 3, characterized in that: The power assembly comprises a motor (23) and a mixing rod (24); the motor (23) is fixedly mounted on the top of the mounting plate (22); and the mixing rod (24) is key-connected to the output shaft of the motor (23).

5. The halogen-free cable material extruder according to claim 4, characterized in that: The rotating assembly comprises a mixing blade (25) and holes. The mixing blade (25) is fixedly mounted on the outside of the mixing rod (24). The holes are opened at the upper and lower parts of the outside of the mixing blade (25).

6. The halogen-free cable material extruder according to claim 1, characterized in that: The connecting block (31) is fixed to the lower part of the outer side of the mixing rod (24), and the bottom end of the mixing rod (24) is inserted into the interior of the connecting seat (32).

7. The halogen-free cable material extruder according to claim 1, characterized in that: A bracket (6) is fixedly mounted on the lower portion of the outer side of the box body (1), and an extruder body (7) is fixedly mounted on the bottom end of the bracket (6).

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