Plastic extruding machine for cable production

Abstract

The utility model relates to the technical field of cable processing, and belongs to an extruding machine for cable production, which comprises an extruding cylinder and a feeding cylinder, the feeding cylinder comprises a storage cavity and a placement cavity, the upper end of the storage cavity is connected with a feeding hopper, the lower end of the feeding cylinder is provided with a discharging port, the extruding cylinder is provided with a feeding port, the discharging port is connected with the feeding port, and the feeding port is connected with the placement cavity. A feeding metering mechanism is arranged in the containing cavity and comprises a metering assembly. The extrusion molding raw materials can be sealed in the material storage cavity through the metering assembly, metering and weighing of the extrusion molding raw materials in the feeding process can be achieved, after metering is completed, the driving assembly can further drive the metering assembly to displace, the material storage cavity is opened, the metered extrusion molding raw materials enter a plastic extruding machine, and the extrusion molding raw materials can be fed into the plastic extruding machine. The functionality of the device is improved, manpower is saved, the machining efficiency is improved, and waste of raw materials can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cable processing and belongs to an extruder for cable production. Background Art

[0002] Cable is a wire product used to transmit electrical energy, signals and realize electromagnetic energy conversion. It consists of one or more mutually insulated conductive wire cores placed in a sealed sheath, and a protective covering layer can be added on the outside.

[0003] Cable extruder is a key equipment used in the manufacturing process of wires and cables. It is mainly used to extrude the insulation layer and sheath layer of the cable to improve the electrical insulation, mechanical strength and corrosion resistance of the cable. The working principle of the cable extruder is to use a screw of a specific shape to rotate in a heated barrel to extrude the plastic sent from the hopper forward, plasticize the plastic evenly, and extrude the plastic into products of various shapes through the machine head and molds of different shapes.

[0004] During the use of the cable extruder, the extrusion raw materials to be processed need to be added into the extruder, which requires the raw materials to be measured before loading. However, most of the existing cable extruders do not have the feeding metering function, and manual measurement is required before loading. The labor cost is high, the production efficiency is low, and it may even cause material waste. Utility Model Content

[0005] In view of the above technical problems, the utility model provides an extruder for cable production.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The present application provides an extruder for cable production, comprising an extrusion cylinder and a loading cylinder, the loading cylinder comprising a storage chamber and a placement chamber, the upper end of the storage chamber is connected to a loading hopper, the lower end of the loading cylinder is provided with a discharge port, the extrusion cylinder is provided with a feed port, the discharge port is connected to the feed port, a loading metering mechanism is provided in the placement chamber, and the loading metering mechanism includes a metering component.

[0008] Preferably, the metering assembly includes a metering platform, a weight sensor and a metering base, the metering platform is arranged in the placement cavity, the metering platform is arranged on the weight sensor, the metering base is provided with a accommodating seat, and the weight sensor is arranged in the accommodating seat.

[0009] Preferably, the feeding metering mechanism also includes a driving assembly, which includes a driving motor, a transmission screw and a slider. The driving motor is fixedly connected to the feeding barrel, the transmission screw is connected to the output end of the driving motor through a coupling, one end of the slider is connected to the metering base, a threaded hole is provided on the slider, the transmission screw is connected to the threaded hole through threaded cooperation, a slide groove is provided in the placement cavity, and the slider and the slide groove are slidably connected.

[0010] Preferably, a limit hole is provided on the slider, a mounting box is provided on the outer wall of the loading barrel, an electric telescopic rod is provided in the mounting box, the output end of the electric telescopic rod passes through the loading barrel and extends into the limit hole, and the limit hole and the output end of the electric telescopic rod are movably connected.

[0011] Preferably, a limit block is provided at the bottom end of the conveying screw rod.

[0012] Preferably, a screw rod is provided in the extrusion cylinder, one end of the screw rod is connected to a power motor via a coupling, an extrusion port is provided at one end of the extrusion cylinder, and a support frame is provided outside the extrusion cylinder.

[0013] Preferably, the spiral rod comprises a transmission rod and a spiral blade, and the spiral blade is arranged on the transmission rod.

[0014] Compared with the prior art, the present invention provides an extruder for cable production, which has the following beneficial effects:

[0015] The utility model is provided with a feeding metering mechanism, which can seal the extruded raw materials in the storage chamber through the metering component, and can realize the metering and weighing of the extruded raw materials during the feeding process. After the metering is completed, the driving component can also drive the metering component to move, open the storage chamber, and allow the metered extruded raw materials to enter the extruder, which not only improves the functionality of the device, but also saves manpower, improves processing efficiency, and can reduce the waste of raw materials.

[0016] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is an overall cross-sectional view of the utility model;

[0019] Figure 3 for Figure 2 The partial enlarged view at A in the middle is a schematic diagram of the structure of the feeding metering mechanism of the utility model;

[0020] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0021] In the figure: 1. extrusion cylinder; 2. feeding cylinder; 21. storage chamber; 22. placement chamber; 3. feeding hopper; 4. feeding port; 5. feeding port; 6. feeding metering mechanism; 61. metering assembly; 611. metering platform; 612. weight sensor; 613. metering base; 614. accommodating seat; 62. driving assembly; 621. driving motor; 622. transmission screw rod; 623. slider; 624. threaded hole; 625. slide groove; 626. limit hole; 63. installation box; 64. electric telescopic rod; 7. screw rod; 71. power motor; 72. extrusion port; 73. support frame; 74. transmission rod; 75. spiral blade. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present invention more clear, the present invention is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the scope of the present invention. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0023] See also Figure 1-2 The utility model discloses an extruder for cable production, comprising an extrusion cylinder 1 and a feeding cylinder 2, the feeding cylinder 2 comprising a storage chamber 21 and a placement chamber 22, the upper end of the storage chamber 21 is connected with a feeding hopper 3, the lower end of the feeding cylinder 2 is provided with a feeding port 4, the extrusion cylinder 1 is provided with a feeding port 5, the feeding port 4 is connected with the feeding port 5, a feeding metering mechanism 6 is provided in the placement chamber 22, and the feeding metering mechanism 6 comprises a metering component 61.

[0024] See also Figure 2 Specifically, the metering component 61 includes a metering platform 611, a weight sensor 612 and a metering base 613. The metering platform 611 is arranged in the placement cavity 22, the metering platform 611 is arranged on the weight sensor 612, and the metering base 613 is provided with a accommodating seat 614. The weight sensor 612 is arranged in the accommodating seat 614. When loading, the metering platform 611 is at the lower end position of the storage cavity 21 to close the storage cavity 21. The storage cavity 21 is used to store extruded raw materials during metering and weighing, and the metering platform 611 is used to receive the raw materials.

[0025] See also Figure 2Specifically, the feeding metering mechanism 6 also includes a driving component 62, which includes a driving motor 621, a transmission screw rod 622 and a slider 623. The driving motor 621 is fixedly connected to the feeding barrel 2, and the transmission screw rod 622 is connected to the output end of the driving motor 621 through a coupling. One end of the slider 623 is connected to the metering base 613. A threaded hole 624 is provided on the slider 623. The transmission screw rod 622 is connected to the threaded hole 624 through threaded matching. The slider 623 is movably connected to the transmission screw rod 622 through threaded transmission. A slide groove 625 is provided in the placement cavity 22. The slider 623 and the slide groove 625 are slidably connected. The slider 623 and the slide groove 625 are frictionally adapted. The slider 623 can move in the slide groove 625, and the slide groove 625 can form a direction limit to enable the slider 623 to move along the slide groove.

[0026] See also Figure 3 Furthermore, a limit hole 626 is provided on the slider 623, and a mounting box 63 is provided on the outer wall of the loading barrel 2. An electric telescopic rod 64 is provided in the mounting box 63. The output end of the electric telescopic rod 64 passes through the loading barrel 2 and extends into the limit hole 626. The limit hole 626 and the output end of the electric telescopic rod 64 are movably linked. During the metering process, the output end of the electric telescopic rod 64 is pushed into the limit hole 626 to fix the position of the slider 623, thereby fixing the position of the metering component 61. After the metering is completed, the output end of the electric telescopic rod 64 exits the limit hole 626, thereby ending the limit of the metering component 61.

[0027] See also Figure 3 Furthermore, a limit block 627 is provided at the bottom end of the transmission screw rod 622, and the limit block 627 limits the downward limit position of the metering base 613 to ensure the safety of the device.

[0028] See also Figure 1 A screw rod 7 is provided in the extrusion cylinder 1, one end of the screw rod 7 is connected to a power motor 71 through a coupling, an extrusion port 72 is provided at one end of the extrusion cylinder 1, and a support frame 73 is provided outside the extrusion cylinder 1.

[0029] See also Figure 1 The spiral rod 7 includes a transmission rod 74 and a spiral blade 75 , and the spiral blade 75 is arranged on the transmission rod 74 .

[0030] Working principle of the utility model: before loading, the metering platform 611 is at the lower end of the storage chamber 21 to close the storage chamber 21, and the output end of the electric telescopic rod 64 is pushed into the limiting hole 626 to fix the position of the slider, thereby realizing the position fixation of the metering component 61; then the raw material enters the storage chamber 21 through the loading hopper 3, the metering platform 611 receives the raw material, and the weight sensor 612 performs weighing and metering. After reaching the predetermined value, the output end of the electric telescopic rod 64 exits the limiting hole 626, and the limiting of the metering component 61 is ended. Then the driving component 621 is started to drive the transmission screw 622 to rotate, and through the threaded transmission, the transmission screw 622 drives the slider 623 to move down along the slide 625, thereby driving the metering base 613 connected to the slider 623 to move synchronously, and the metering platform 611 moves down to open the closure of the storage chamber 21, and the extruded raw material falls from the storage chamber 21 and enters the extrusion cylinder 1 through the discharge port 4.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An extruder for cable production, characterized in that: The invention comprises an extrusion cylinder (1) and a feeding cylinder (2), wherein the feeding cylinder (2) comprises a material storage chamber (21) and a placement chamber (22), wherein the upper end of the material storage chamber (21) is connected to a feeding hopper (3), and the lower end of the feeding cylinder (2) is provided with a feeding port (4). The extrusion cylinder (1) is provided with a feeding port (5), and the feeding port (4) is connected to the feeding port (5). A feeding metering mechanism (6) is provided in the placement chamber (22), and the feeding metering mechanism (6) comprises a metering component (61).

2. An extruder for cable production as claimed in claim 1, characterized in that: The metering component (61) comprises a metering platform (611), a weight sensor (612) and a metering base (613); the metering platform (611) is arranged in the placement cavity (22); the metering platform (611) is arranged on the weight sensor (612); a receiving card seat (614) is provided on the metering base (613); and the weight sensor (612) is arranged in the receiving card seat (614).

3. An extruder for cable production as claimed in claim 2, characterized in that: The feeding metering mechanism (6) further comprises a driving assembly (62), wherein the driving assembly (62) comprises a driving motor (621), a transmission screw rod (622) and a slider (623), wherein the driving motor (621) is fixedly connected to the feeding barrel (2), the transmission screw rod (622) is connected to the output end of the driving motor (621) via a coupling, one end of the slider (623) is connected to the metering base (613), a threaded hole (624) is provided on the slider (623), the transmission screw rod (622) and the threaded hole (624) are connected via threaded engagement, a slide groove (625) is provided in the placement cavity (22), and the slider (623) and the slide groove (625) are connected via sliding.

4. An extruder for cable production as claimed in claim 3, characterized in that: A limit hole (626) is also provided on the slider (623); a mounting box (63) is provided on the outer wall of the loading barrel (2); an electric telescopic rod (64) is provided in the mounting box (63); an output end of the electric telescopic rod (64) passes through the loading barrel (2) and extends into the limit hole (626); the limit hole (626) and the output end of the electric telescopic rod (64) are movably connected.

5. An extruder for cable production as claimed in claim 3, characterized in that: A limit block (627) is provided at the bottom end of the transmission screw rod (622).

6. An extruder for cable production as claimed in claim 1, characterized in that: A screw rod (7) is provided inside the extrusion cylinder (1), one end of the screw rod (7) is connected to a power motor (71) via a coupling, one end of the extrusion cylinder (1) is provided with an extrusion port (72), and a support frame (73) is provided outside the extrusion cylinder (1).

7. An extruder for cable production as claimed in claim 6, characterized in that: The spiral rod (7) comprises a transmission rod (74) and a spiral blade (75), and the spiral blade (75) is arranged on the transmission rod (74).

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