CN210283150U

CN210283150U - Can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor

Info

Publication number: CN210283150U
Application number: CN201920983534.9U
Authority: CN
Inventors: 赖礼胤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-10
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to an extrusion equipment technical field especially indicates a can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor, this pressure boost extrusion equipment all is equipped with screw extrusion mechanism in first extruding cylinder, second extruding cylinder and first extruding cylinder and the second extruding cylinder. The first extrusion cylinder is vertically fixed downwards, the second extrusion cylinder is perpendicular to the first extrusion cylinder, and the first extrusion cylinder is fixedly connected to the side wall of the second extrusion cylinder. One end of the first extrusion cylinder is connected to the feeding port, the other end of the first extrusion cylinder is communicated to the second extrusion cylinder, and the other end, opposite to the first extrusion cylinder, of the second extrusion cylinder is connected to the forming die. The screw extrusion mechanism is composed of an extrusion rod with a screw blade and an extrusion motor for driving the extrusion rod to rotate, the extrusion rod in the second extrusion cylinder rotates relative to the extrusion cylinder, and the extrusion rod in the first extrusion cylinder rotates relative to the extrusion cylinder and is positioned in the first extrusion cylinder to move along the axial direction of the extrusion cylinder.

Description

Can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor

Technical Field

The utility model relates to an extrusion equipment technical field especially indicates a can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor.

Background

The production process of the cable comprises an extrusion process, wherein the extrusion process generally comprises the steps of continuously extruding a base material in a molten state into a forming die at a certain pressure through an extrusion cylinder of extrusion equipment, and extruding the base material in the forming die through a forming runner of the forming die to form the cable. Generally, after the cable is formed, the cable needs to be further processed through other processes, and the processing of other processes needs to transfer the drawn cable and then process the cable again, which is very troublesome. In view of this, the related art designs the secondary processing steps to the forming mold, that is, adds a structure capable of performing these steps to the forming mold, for example, the step of coating the insulating layer needs to provide a through hole for injecting the insulating material on the forming mold, so that the forming mold changes from a single-structure forming function to a multi-forming function of one-step forming through multiple steps.

However, the length of the molding die inevitably increases due to the addition of a structure for performing a plurality of steps to the molding die. After the length of the forming die is lengthened, a forming flow channel for forming the cable is necessarily lengthened, so that the friction resistance of backing material extrusion is increased, the cable which is pulled and extruded is prone to fracture, and the production cannot be smoothly carried out.

Disclosure of Invention

The utility model provides a can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor to overcome current cable conductor extrusion equipment and lead to the cracked problem of cable conductor easily in extrusion moulding process.

The utility model adopts the following technical scheme: the utility model provides a can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor, pressure boost extrusion equipment is extruded a section of thick bamboo including the second, and this second is extruded a section of thick bamboo and is disposed screw extrusion mechanism, and second extrusion section of thick bamboo one end is connected to the feed inlet of pouring into the bed charge, and the second is extruded a discharge gate of the other end for extruding the bed charge, the forming die of formation cable conductor appearance is connected to the discharge gate, its characterized in that: the pressurizing extrusion equipment also comprises a first extrusion cylinder, wherein the first extrusion cylinder is provided with a spiral extrusion mechanism; one end of the first extrusion cylinder is connected to the other end, opposite to the discharge port, of the second extrusion cylinder, and the other end of the first extrusion cylinder is communicated to the feed port; the screw extrusion mechanism is composed of an extrusion rod with a screw blade and an extrusion motor for driving the extrusion rod to rotate, the extrusion rod in the second extrusion cylinder rotates relative to the extrusion cylinder, the extrusion rod in the first extrusion cylinder rotates relative to the first extrusion cylinder, and the extrusion rod in the first extrusion cylinder moves along the axial direction of the first extrusion cylinder.

As a further improvement, the first extrusion cylinder is fixed vertically downwards, the second extrusion cylinder is perpendicular to the first extrusion cylinder, and the first extrusion cylinder is fixedly connected to the side wall of the second extrusion cylinder.

As a further improvement, the pressurizing extrusion equipment further comprises a pressure stabilizing mechanism, wherein the pressure stabilizing mechanism comprises an oil cylinder, a fixed seat and a supporting sleeve, the oil cylinder is fixed at the top of the fixed seat, and the supporting sleeve is rotatably connected in the fixed seat; the extruding device is characterized in that a driving wheel is fixed on an output shaft of the extruding motor and is in transmission connection with a driving wheel, the other end of the supporting sleeve opposite to the bearing is coaxially fixed with the driving wheel, spline grooves which are coaxial and have the same structure are formed in the center of the driving wheel and the center of the supporting sleeve, a spline shaft is arranged at one end of an extruding rod in the first extruding cylinder, and the spline shaft is embedded into the spline grooves of the supporting sleeve and the driving wheel and is fixed with a piston rod of the oil cylinder.

As a further improvement, the pressure stabilizing mechanism further comprises a bearing and a bearing sleeve, the bearing sleeve is fixed on the fixed seat, the bearing sleeve fixes the bearing, the other end of the bearing sleeve is provided with a connecting hole, and the other end of the support sleeve, which is opposite to the driving wheel, penetrates through the connecting hole of the bearing sleeve and is fixed in the bearing.

As a further improvement, the extruder further comprises a feeding pump, wherein the input end of the feeding pump is the feeding port, and the output end of the feeding pump is connected to the side wall of the first extrusion cylinder and communicated into the first extrusion cylinder.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a rotation of the extrusion stick in the first barrel is carried the bed charge downwards to the second barrel in, and this process can form the effect of a steady voltage, makes the bed charge can be certain pressure even stable supply to the second barrel in. When the backing material is conveyed into the second extrusion cylinder, the extrusion pressure of the second extrusion cylinder can be adjusted to form a primary pressure-raising effect, so that the backing material in the second extrusion cylinder is extruded outwards to a forming die at a higher pressure. The bottom material can be extruded to a forming die by higher and stable pressure through the first pressure stabilizing and the second pressure lifting in sequence through the first extruding cylinder and the second extruding cylinder, the friction resistance generated by a forming flow channel is offset through the pressure, and the situation that the cable is broken due to overlarge friction resistance in the traction process of extrusion forming can be avoided.

Drawings

Fig. 1 is a schematic side view of the overall structure of the present invention.

FIG. 2 is a schematic side view of the second barrel coupled to the screw extrusion mechanism.

FIG. 3 is a side schematic view of the first barrel feed pump and connecting screw extrusion mechanism.

Fig. 4 is a schematic side view of the pressure stabilizing mechanism connected to the first extrusion cylinder.

FIG. 5 is a schematic view of the pressure stabilizing mechanism exploded from the extrusion rod.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in figure 1, the cable pressurization extrusion equipment capable of preventing the cable from being broken comprises a first extrusion cylinder 3, a second extrusion cylinder 4, a screw extrusion mechanism, a feeding pump 1, a pressure stabilizing mechanism 2 and a casing forming the appearance of the equipment. The first extruding cylinder 3, the second extruding cylinder 4, the spiral extruding mechanism, the feeding pump 1 and the pressure stabilizing mechanism 2 are all fixed in the machine shell through the connection of the support 10, and the connection of the support 10, the machine shell and the mechanisms can be fixed by bolts.

Continuing to refer to fig. 1, the heating sleeves 5 are wrapped outside the first extruding cylinder 3 and the second extruding cylinder 4, and the cooling fans 6 are arranged outside the heating sleeves 5. The heat generated by the heating sleeve 5 heats the first extrusion cylinder 3 and the second extrusion cylinder 4, so that the bed charge in the first extrusion cylinder 3 and the second extrusion cylinder 4 can be kept at a certain temperature, and the bed charge is prevented from being solidified in the process of conveying and extruding. Meanwhile, heat outside the first extruding cylinder 3 and the second extruding cylinder 4 can be rapidly diffused through heat dissipation of the heat dissipation fan 6, and the phenomenon that the service life of equipment is influenced due to too concentrated temperature is avoided.

As shown in fig. 1 to 3, the input end of the feeding pump 1 is a feeding port 7 for injecting a base material, and the output end of the feeding pump 1 is connected to the side wall of the upper end of the first barrel 3 through a pipeline, so that the feeding pump 1 is communicated into the first barrel 3. The second extrusion cylinder 4 is vertical to the first extrusion cylinder 3, the first extrusion cylinder 3 is vertically fixed, and the lower end of the first extrusion cylinder 3 is fixedly connected to the side wall of the second extrusion cylinder 4 and communicated with the second extrusion cylinder 4. Further, the first extrusion cylinder 3 and the second extrusion cylinder 4 can be welded with flanges, and the first extrusion cylinder 3 and the second extrusion cylinder 4 are locked and connected by bolts and nuts, so that the first extrusion cylinder 3 and the second extrusion cylinder 4 can be connected. The other end of the second extrusion cylinder 4 opposite to the first extrusion cylinder 3 is a discharge port 8 for extruding the backing material, and the discharge port 8 is connected with a forming die for forming the appearance of the cable.

With continued reference to fig. 1 to 3, the first extrusion cylinder 3 and the second extrusion cylinder 4 are each provided with the screw extrusion mechanism, the screw extrusion mechanism is composed of an extrusion rod 91 with a screw blade and an extrusion motor 92 for driving the extrusion rod to rotate, the extrusion rod 91 is positioned in the first extrusion cylinder 3 or the second extrusion cylinder 4, and the extrusion rod 91 is adapted to the inner diameter of the first extrusion cylinder 3 or the second extrusion cylinder 4, and the structure enables the first extrusion cylinder 3 and the second extrusion cylinder 4 and the screw extrusion mechanism to form a screw conveyor in the prior art. A driving wheel 94 is fixed at one end of the extrusion rod 91 outside the first extrusion cylinder 3 or the second extrusion cylinder 4, a driving wheel 93 is fixed at an output shaft of the extrusion motor 92, and the driving wheel 93 drives the driving wheel 94 to rotate in a belt transmission mode, so that the extrusion rod 91 is driven to rotate by the extrusion motor 92. In addition, the extruding rod 91 is further provided with an axial sealing ring 95 at one end of the first extruding cylinder 3 or the second extruding cylinder 4 close to the driving wheel 94 for preventing the bottom material to be conveyed from seeping out. During operation, pour into the bed charge into in the feed pump 1 through feed inlet 7, feed pump 1 carries the bed charge to in the first extrusion section of thick bamboo 3 to screw extrusion mechanism through first extrusion section of thick bamboo 3 pours the bed charge into to the second extrusion section of thick bamboo 4 into, extrude the bed charge by screw extrusion mechanism of the second extrusion section of thick bamboo 4 again and extrude to connecting in the forming die of discharge gate 8 and draw and go out, can form the cable conductor of fixed shape.

As shown in fig. 3 and 4, the pressure stabilizing mechanism 2 is connected to the extrusion rod 91 in the first extrusion cylinder 3, and includes an oil cylinder 22, a fixing seat 21, a bearing 25, a bearing sleeve 24 and a support sleeve 23. Fixing base 21 accessible support 10 connect be fixed in the casing, fixing base 21 bottom surface still is equipped with ann changes hole 211, first extrusion cylinder 3 is fixed in fixing base 21's bottom, and with the axle center correspond to mounting hole 211, first extrusion cylinder 3 accessible above-mentioned flange joint's structure is fixed mutually with fixing base 21. The oil cylinder 22 is fixed on the top of the fixed seat 21, and a piston rod 221 of the oil cylinder 22 faces downwards. The center of the support sleeve 23 is provided with a through spline groove 26, one end of the support sleeve 23 is a connecting part 232, the other end is an installation part 231, and the installation part 231 is embedded in the bearing 24. One end face of the bearing sleeve 24 is provided with a bearing position embedded into the bearing 25, and the other end of the bearing sleeve 24 is provided with a connecting hole 241. During assembly, the bearing 25 is embedded into the bearing sleeve 24, the mounting portion of the support sleeve 23 is fixed in the bearing 25 through the connecting hole 241 of the bearing sleeve 24, and the bearing sleeve 24 is fixed on the fixing seat 21 in a bolt locking manner, so that the support sleeve 23 is connected and the support sleeve 23 rotates relative to the fixing seat 21. Preferably, the mounting portion 231 is provided with a snap ring at the upper end of the bearing 25, and a gap is formed between the connecting surfaces of the mounting portion 231 and the fixing seat 21 by the snap ring, so that the gap can prevent the support sleeve 23 from contacting the fixing seat 21 to generate friction.

As shown in fig. 3 to 5, the connecting portion 232 of the supporting sleeve 23 is fixed to the bottom of the transmission wheel 94 of the screw extrusion mechanism connected to the first extrusion cylinder 3 in a bolt locking manner, and the supporting sleeve 23 is coaxial with the transmission wheel 94, and the center of the rotating wheel 94 is further provided with a spline groove 26, and the spline groove 26 is consistent and completely corresponding to the spline groove 26 of the supporting sleeve 23 in structural size. The upper end of the extruding rod 91 in the first extruding cylinder 3 is provided with a spline shaft 911, and the spline shaft 911 is embedded into the spline grooves 26 of the supporting sleeve 23 and the driving wheel 94 from the mounting hole 211 of the fixed base 21. And the center of the spline shaft 911 is provided with a threaded hole 912, and the threaded hole 912 is spirally connected with the external thread at the bottom of the piston rod 221 of the oil cylinder 22, so that the piston rod 221 and the spline shaft 911 are fixed, and the oil cylinder 22 can drive the extrusion rod 91 to move up and down.

In operation, extrusion motor 92 drives the drive wheel 94 and rotates and can make support cover 23 rotate thereupon, because the integral key shaft 911 embedding of extrusion stick 91 supports cover 23 and the spline groove 26 of drive wheel 94 in, consequently support cover 23 and the rotation of drive wheel 94 can drive extrusion stick 91 simultaneously and rotate, thereby extrude the section of thick bamboo 4 with the downward spiral transport of bed charge in to the second, this notes material mode can play the effect of stable feed pressure, make the bed charge can be evenly stable supply to the second extrude in the section of thick bamboo 4, avoid appearing the condition of intermittent feeding. And, extrude stick 91 when rotatory, the piston rod 221 of hydro-cylinder 22 removes and can drive and extrude stick 91 and reciprocate slowly in first extrusion cylinder 3 to the air that will get into first extrusion cylinder 3 along with feed pump 1 is taken out to the feed pump 1 outside, prevents in the air admission second extrusion cylinder 4, and then avoids the second extrusion cylinder 4 to pack the air and the condition that takes place the fracture when leading to extruding the cable conductor. When the bed material is conveyed into the second extruding cylinder 4, the control system is configured to control the rotating speed of the extruding motor 92, so as to control the rotating speed of the extruding rod 91 in the second extruding cylinder 4, thereby achieving the purpose of controlling and adjusting the flow rate of the bed material in the second extruding cylinder 4, and the higher the flow rate of the bed material in the second extruding cylinder 4 is, the higher the extruding pressure of the bed material from the second extruding cylinder 4 through the discharging port 8 is. The effect of the first way of stabilizing feed pressure that forms through the screw extrusion mechanism of above-mentioned first extrusion cylinder 3 and steady voltage mechanism 2 and the effect of the second way improvement extrusion pressure that the screw extrusion mechanism of second extrusion cylinder 4 formed, make the bed charge can be extruded to forming die through first extrusion cylinder 3 and second extrusion cylinder 4 in proper order by higher and stable pressure, thereby offset the frictional resistance that the shaping runner produced, avoid the cable conductor to take place because of the too big cracked condition that leads to of frictional resistance in extrusion moulding's traction process.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a can prevent cracked cable conductor pressure boost extrusion equipment of cable conductor, pressure boost extrusion equipment is extruded a section of thick bamboo including the second, and this second is extruded a section of thick bamboo and is disposed screw extrusion mechanism, and second extrusion section of thick bamboo one end is connected to the feed inlet of pouring into the bed charge, and the second is extruded a discharge gate of the other end for extruding the bed charge, the forming die of formation cable conductor appearance is connected to the discharge gate, its characterized in that: the pressurizing extrusion equipment also comprises a first extrusion cylinder, wherein the first extrusion cylinder is provided with a spiral extrusion mechanism; one end of the first extrusion cylinder is connected to the other end, opposite to the discharge port, of the second extrusion cylinder, and the other end of the first extrusion cylinder is communicated to the feed port; the spiral extrusion mechanism is composed of an extrusion rod with a spiral blade and an extrusion motor for driving the extrusion rod to rotate, and the extrusion rod is positioned in the second extrusion cylinder or rotates in the first extrusion cylinder.

2. The pressurized extrusion apparatus for cable wires capable of preventing cable wire from being broken as claimed in claim 1, wherein: the first extrusion cylinder is vertically fixed downwards, the second extrusion cylinder is perpendicular to the first extrusion cylinder, and the first extrusion cylinder is fixedly connected to the side wall of the second extrusion cylinder.

3. The pressurized extrusion apparatus for cable wires capable of preventing cable wire from being broken as claimed in claim 1, wherein: the pressurizing extrusion equipment further comprises a pressure stabilizing mechanism, the pressure stabilizing mechanism comprises an oil cylinder, a fixed seat and a supporting sleeve, the oil cylinder is fixed at the top of the fixed seat, and the supporting sleeve is rotatably connected in the fixed seat; the extruding device is characterized in that a driving wheel is fixed on an output shaft of the extruding motor and is in transmission connection with a driving wheel, the other end of the supporting sleeve opposite to the bearing is coaxially fixed with the driving wheel, spline grooves which are coaxial and have the same structure are formed in the center of the driving wheel and the center of the supporting sleeve, a spline shaft is arranged at one end of an extruding rod in the first extruding cylinder, and the spline shaft is embedded into the spline grooves of the supporting sleeve and the driving wheel and is fixed with a piston rod of the oil cylinder.

4. A cable pressurization extrusion apparatus for preventing cable breakage as claimed in claim 3, wherein: the pressure stabilizing mechanism further comprises a bearing and a bearing sleeve, the bearing sleeve is fixed on the fixed seat, the bearing sleeve fixes the bearing, a connecting hole is formed in the other end of the bearing sleeve, and the other end of the supporting sleeve, which is opposite to the driving wheel, penetrates through the connecting hole of the bearing sleeve and is fixed in the bearing.

5. The pressurized extrusion apparatus for cable wires capable of preventing cable wire from being broken as claimed in claim 1, wherein: the feeding pump is characterized by further comprising a feeding pump, wherein the input end of the feeding pump is the feeding port, and the output end of the feeding pump is connected to the side wall of the first extrusion cylinder and communicated into the first extrusion cylinder.