Cable sheath blowing forming device

Abstract

The utility model discloses a cable sheath blowing forming device, which comprises a forming mechanism, a control mechanism and a supporting mechanism, the control mechanism and the supporting mechanism are arranged below the forming mechanism, the forming mechanism comprises a cable storage pipe, two ends of the cable storage pipe are respectively connected with a die and an adapter, and the control mechanism comprises a control box and an air source arranged on one side of the control box. A pressure reducing valve and an electromagnetic valve located above the pressure reducing valve are arranged in the control box, the air source and the pressure reducing valve are connected through a first high-pressure air pipe, the air source is fixed to the second support, the pressure reducing valve and the electromagnetic valve are connected through a second high-pressure air pipe, and the adapter and the electromagnetic valve are connected through a third high-pressure air pipe; a first support, a second support and a third support are fixed to the upper end face of the bottom plate. According to the cable sheath blowing forming device, for cables with high signal transmission requirements, the situation that signal transmission of the cables is affected by pressure or tension generated by the traction device is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cable sheath processing device, specifically to a cable sheath blow forming device. BACKGROUND

[0002] Traditional cable sheaths are all made by using the screw rod of an extruder to convey high-temperature molten plastic material, which is uniformly coated on the cable semi-product under the cooperation of a mold and traction power to be obtained. The traction power device of the extruder is generally composed of a driving wheel and a driven wheel, a driving wheel and a belt, or an upper and lower track, no matter which traction device will inevitably generate certain pressure or tension on the cable, thereby adversely affecting the cable with high signal transmission requirements. In addition, the traditional processing method also has the following disadvantages:

[0003] 1. When the traditional cable sheath is extruded, the selection of the mold needs to consider the appearance of the cable semi-product. If the mold is not selected properly, it will cause the finished cable to have a corrugated, bright fog uneven, and other appearance defects;

[0004] 2. From debugging to normal operation, the traditional cable sheath extrusion will cause the cable semi-product to be scrapped due to the appearance or line diameter debugging;

[0005] 3. The extrusion of the silica gel sheath requires high-temperature vulcanization, so the selection of the cable semi-product material needs to be considered, which requires both high-temperature resistant materials and semi-products without or with little oil and moisture. Otherwise, during the high-temperature vulcanization process, the oil or moisture will generate a certain amount of steam pressure due to high temperature, thereby causing the sheath to bubble or bag, resulting in too many interfaces of the finished cable. Sometimes, in order to avoid the bubbling or bagging of the silica gel sheath, the finished cable is subjected to secondary vulcanization by reducing the first vulcanization temperature. In this way, not only the working hours are wasted, but also the energy is wasted. At the same time, the excessive use of high-temperature resistant materials also causes the cable cost to be too high. INVENTION CONTENTS

[0006] The utility model aims to provide a cable sheath blow forming device, which avoids the influence of the pressure or tension generated by the traction device on the signal transmission of the cable with high signal transmission requirements, and does not need to consider the influence of the semi-product appearance on the finished product appearance, so the debugging and scrapping of the cable semi-product are avoided, which helps to reduce the cable cost.

[0007] To achieve the above object, the utility model provides the following technical scheme: a cable sheath blow forming device, including forming mechanism and setting control mechanism and support mechanism in the lower portion of forming mechanism, forming mechanism includes storage line pipe, is connected with mould and adapter in both ends of storage line pipe respectively, control mechanism includes control box and sets up in the air source of control box one side, is provided with pressure reducing valve and the electromagnetic valve of pressure reducing valve top in control box, air source and pressure reducing valve are connected through first high pressure gas pipe, pressure reducing valve and electromagnetic valve are connected through second high pressure gas pipe, adapter and electromagnetic valve are connected through third high pressure gas pipe, support mechanism includes bottom plate, is fixed with first support, second support and third support on the upper end surface of bottom plate, control box is fixed on first support.

[0008] Preferably, both ends of the storage line pipe are fixed with support frames, and the two support frames are fixed on the bottom plate, so that the bottom plate can support the storage line pipe.

[0009] Preferably, the control mechanism further comprises a relay, a control power supply and a foot control switch, the relay and the control power supply are arranged in the control box, and the electromagnetic valve, the control power supply and the foot control switch are coupled to the relay.

[0010] Preferably, a power socket is arranged on the side of the control box away from the air source, and the power socket is fixed on the third support.

[0011] Preferably, the device further comprises a plastic sleeve, and the plastic sleeve is arranged on the side of the mould away from the storage line pipe.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a cable sheath blow forming device, which can avoid the influence of the pressure or tension generated by the traction device on the signal transmission of the cable, and can prevent the finished cable from having the appearance defects such as ripples, uneven bright fog and the like.

[0014] 2. The utility model discloses a cable sheath blow forming device, which can avoid the influence of the pressure or tension generated by the traction device on the signal transmission of the cable, and can prevent the finished cable from having the appearance defects such as ripples, uneven bright fog and the like.

[0015] 3. The utility model discloses a cable sheath blow forming device, which can avoid the influence of the pressure or tension generated by the traction device on the signal transmission of the cable, and can prevent the finished cable from having the appearance defects such as ripples, uneven bright fog and the like. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1It is one of the schematic views of the embodiment of the utility model;

[0017] Figure 2 It is two of the schematic views of the embodiment of the utility model;

[0018] Figure 3 It is the schematic view of the control mechanism of the utility model;

[0019] Figure 4 It is the circuit diagram of the control box of the utility model;

[0020] Figure 5 It is the gas circuit diagram of the control mechanism of the utility model.

[0021] The reference signs and names in the drawing are as follows: 1, forming mechanism;11, line storage tube;12, mold;13, adapter;14, support frame;2, control mechanism;21, control box;22, gas source;23, pressure reducing valve;24, electromagnetic valve;25, relay;26, control power supply;27, power socket;28, foot control switch;3, support mechanism;31, bottom plate;32, first support;33, second support;34, third support;35, fourth support;4, plastic sleeve;5, first high-pressure gas pipe;6, second high-pressure gas pipe;7, third high-pressure gas pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the embodiments of the utility model, it should be understood that the directions or position relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relationships shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] In the embodiments of the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and other terms should be broad understanding, for example, can be fixed connection, also can be detachable connection, or integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two element interiors or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to specific circumstances.

[0025] Please refer to Figure 1 The utility model provides a kind of cable sheath blow forming device in an embodiment: cable sheath blow forming device, including forming mechanism 1 and being set to the control mechanism 2 and support mechanism 3 of forming mechanism 1 below, the side of forming mechanism 1 is provided with plastic sleeve 4, the basic principle of the device is: compressed gas is kinetic energy, using compressed gas to push cable semi-product into the plastic sleeve 4 inside extruded in advance.

[0026] Please refer to Figure 2 Forming mechanism 1 includes line storage pipe 11, line storage pipe 11 is 10 CM than processing line, and mold 12 and adapter 13 are connected at two ends of line storage pipe 11 respectively, plastic sleeve 4 is set to the side of mold 12 away from line storage pipe 11, in operation, plastic sleeve 4 needs to be set to the end of mold 12 away from line storage pipe 11, personnel need to hold plastic sleeve 4 by hand, to ensure that plastic sleeve 4 does not separate from mold 12, support frame 14 is fixed at two ends of line storage pipe 11, control mechanism 2 includes control box 21 and the gas source 22 being set to the side of control box 21, in the embodiment, gas source 22 adopts gas source triad, support mechanism 3 includes bottom plate 31, first support 32, second support 33 and third support 34 are fixed on the upper end surface of bottom plate 31, fourth support 35 is fixed on the lower end surface of bottom plate 31, two support frames 14 are fixed on bottom plate 31, so that bottom plate 31 can support line storage pipe 11, control box 21 is fixed on first support 32.

[0027] Please refer to Figures 3 to 5The control box 21 contains a pressure reducing valve 23 and a solenoid valve 24 located above the pressure reducing valve 23. The air source 22 is connected to the pressure reducing valve 23 via a first high-pressure air pipe 5, and the pressure reducing valve 23 is connected to the solenoid valve 24 via a second high-pressure air pipe 6. The adapter 13 is connected to the solenoid valve 24 via a third high-pressure air pipe 7. The control mechanism 2 also includes a relay 25, a control power supply 26, and a foot control switch 28. The relay 25 and the control power supply 26 are both located inside the control box 21. The solenoid valve 24, the control power supply 26, and the foot control switch 28 are all coupled to the relay 25. A power socket 27 is provided on the side of the control box 21 away from the air source 22. The power socket 27 is fixed on the third support 34, and the fourth support 35 is fixed on the lower end face of the base plate 31.

[0028] Please refer to the following: Figures 1 to 5 In this invention, the cable semi-finished product is manually inserted into the storage tube 11 from the end of the mold 12 away from the storage tube 11. Figure 5 The diagram illustrates that during operation, the plastic sleeve 4 is inserted into the storage tube 11, and then the pre-extruded plastic sleeve 4 is placed on the end of the mold 12 away from the storage tube 11, i.e., the mold nozzle. The operator needs to hold the mold nozzle sleeve by hand. The power plug on the control box 21 is connected to the power socket 27. When the foot pedal control switch 28 is pressed, the solenoid valve 24 is connected to the control power supply 26 through the relay 25. The inner cavity of the solenoid valve 24 opens, and the compressed air from the air compressor flows rapidly into the storage tube 11 through the high-pressure air pipe. The cable semi-finished product that has been inserted into the storage tube 11 in advance is blown into the plastic sleeve 4 by the mold nozzle under the propulsion of the compressed gas.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cable sheath blow molding device comprising a molding mechanism (1) and a control mechanism (2) and a support mechanism (3) arranged below the molding mechanism (1), characterized in that: The forming mechanism (1) comprises a wire storage tube (11), both ends of the wire storage tube (11) are connected with a mold (12) and an adapter (13) respectively, the control mechanism (2) comprises a control box (21) and an air source (22) arranged on one side of the control box (21), the control box (21) is provided with a pressure reducing valve (23) and an electromagnetic valve (24) above the pressure reducing valve (23), the air source (22) is connected with the pressure reducing valve (23) through a first high-pressure gas pipe (5), the pressure reducing valve (23) is connected with the electromagnetic valve (24) through a second high-pressure gas pipe (6), the adapter (13) is connected with the electromagnetic valve (24) through a third high-pressure gas pipe (7), the supporting mechanism (3) comprises a bottom plate (31), the upper end surface of the bottom plate (31) is fixed with a first support (32), a second support (33) and a third support (34), and the control box (21) is fixed on the first support (32).

2. A cable jacket blow molding apparatus as defined in claim 1, wherein: Both ends of the wire storage tube (11) are fixed with support frames (14), and the two support frames (14) are fixed on the bottom plate (31).

3. A cable jacket blow molding apparatus as defined in claim 1, wherein: The control mechanism (2) further comprises a relay (25), a control power supply (26) and a foot control switch (28), the relay (25) and the control power supply (26) are arranged in the control box (21), and the electromagnetic valve (24), the control power supply (26) and the foot control switch (28) are coupled with the relay (25).

4. A cable jacket blow molding apparatus as defined in claim 1, wherein: The control box (21) is provided with a power socket (27) away from the air source (22), and the power socket (27) is fixed on the third support (34).

5. A cable jacket blow molding apparatus as defined in claim 1, wherein: It also comprises a plastic sleeve (4), and the plastic sleeve (4) is arranged on the side, away from the wire storage tube (11), of the mold (12). It also comprises a plastic sleeve (4), and the plastic sleeve (4) is arranged on the side, away from the wire storage tube (11), of the mold (12).

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