CN111716676B - Auxiliary device for cable rubber extrusion continuous vulcanization process - Google Patents

Auxiliary device for cable rubber extrusion continuous vulcanization process Download PDF

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Publication number
CN111716676B
CN111716676B CN202010566716.3A CN202010566716A CN111716676B CN 111716676 B CN111716676 B CN 111716676B CN 202010566716 A CN202010566716 A CN 202010566716A CN 111716676 B CN111716676 B CN 111716676B
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arc
cable
adjusting
spring
shaped
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CN111716676A (en
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巫春生
徐志敏
万长东
张家文
毕亮亮
胡宏生
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Anhui Dujiang Cable Group Co Ltd
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Anhui Dujiang Cable Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154Coating solid articles, i.e. non-hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/002Component parts, details or accessories; Auxiliary operations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0036Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/34Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462Cables

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

The invention discloses an auxiliary device for a cable rubber extrusion continuous vulcanization process, which is arranged in a cable vulcanization pipe and comprises a self-adaptive mechanism for keeping a cable and the center of the vulcanization pipe and an installation frame of the self-adaptive mechanism, wherein the installation frame is an annular support concentrically fixed with the cable vulcanization pipe, the self-adaptive mechanism consists of at least two self-adaptive supports, each self-adaptive support comprises an elastically telescopic support installation rod, and the self-adaptive supports can enable the cable to tend to keep the center of the vulcanization pipe and weaken the influence of self-weight on the eccentricity of the cable, so that the performance and the service life of the cable are improved, and the waste of the cable in the manufacturing and processing links is avoided.

Description

Auxiliary device for cable rubber extrusion continuous vulcanization process
Technical Field
The invention relates to the technical field of cable manufacturing, in particular to an auxiliary device for a cable rubber extrusion continuous vulcanization process.
Background
Rubber-coated cables have many advantages over plastic-coated cables: good flexibility, oil resistance, torsion resistance, wear resistance and the like. When the rubber coated cable is used for producing the sheath, the cabling cable core is coated with sheath rubber through the extrusion type mold core mold sleeve, then vulcanization is carried out through the vulcanization pipeline filled with high-temperature and high-pressure steam, the continuous vulcanization process is a vulcanization process of extruding and vulcanizing to form one process, the extruding and vulcanizing processes are combined together and have higher extrusion speed, the production efficiency is higher, meanwhile, the cable directly enters the vulcanization pipeline after being extruded and wound on the roller without being wound again, the surface of the cable does not need to be coated with talcum powder or wound with a cloth tape, and a large amount of auxiliary materials can be saved.
The existing continuous vulcanizing equipment can be divided into three types of continuous vulcanizing machines according to different positions of a vulcanizing pipe: the horizontal continuous vulcanizing machine and the inclined continuous vulcanizing machine are linear vulcanizing pipelines, and the suspended continuous vulcanizing machine generally adopts a suspended curve type vulcanizing pipeline, so that the problem of surface scratch caused by the fact that a cable is suspended in a linear vulcanizing pipe under the action of dead weight and tension of the cable is solved, but the manufacturing and the installation of the suspended pipeline are complex.
However, cables produced by the existing continuous vulcanization equipment all have a certain degree of eccentricity problem, and the problems of breakage, breakdown and exposure appear earlier when the cable cross-linked sheath layer is used for a long time at a thin point, so that the use is influenced, safety accidents can be caused, the reject ratio of the eccentricity greater than a preset standard is high, the production cost of an enterprise is increased, and the quality and the public praise of cable products are influenced.
Disclosure of Invention
The invention aims to provide an auxiliary device for a cable rubber extrusion continuous vulcanization process, which can replace a tension wheel in a vulcanization pipe, improve the roundness of a cable, reduce the eccentricity of the cable and prolong the service life of the cable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an auxiliary device for a cable rubber extrusion continuous vulcanization process, which is arranged in a cable vulcanization pipe and comprises an adaptive mechanism for keeping a cable and the center of the vulcanization pipe and an installation frame of the adaptive mechanism, wherein the installation frame is an annular support concentrically fixed with the cable vulcanization pipe, the adaptive mechanism consists of at least two adaptive supports, each adaptive support comprises an elastically telescopic support installation rod, the tail end of each support installation rod is radially fixed on the inner side of the installation frame, the front end of each support installation rod is a U-shaped clamping part, an arc-shaped roller mechanism is clamped and fixed on the front end of each support installation rod, each arc-shaped roller mechanism comprises an arc-shaped roller, limiting plates on two sides of the arc-shaped roller and a fixed shaft penetrating through the limiting plates on two sides and the center of the arc-shaped roller, the clamping parts are clamped on the fixed shafts on the outer sides of the two limiting plates, and the adaptive mechanism is formed by connecting the fixed shafts of the adaptive supports inside the adaptive mechanisms end to end through an arc-end connecting piece to end to form an annular connecting piece The subassembly, and constitute between the arc running roller and hold circular or nearly circular shape mouth of passing through of cable, the arc connecting piece includes that arc connecting pipe, elastic expansion are at the arc at arc connecting pipe both ends and are gone into the sleeve pipe and the arc in and the first spring between the arc connecting pipe, the fixed axle one end that its was close to is buckled to the other end of the interior sleeve pipe of arc to rotate with the fixed axle and be connected.
As an optimization of the invention to the above scheme, the mounting rack is mounted in the cable vulcanizing tube through a ball bearing. Through the ball bearing installation the mounting bracket can make the relative vulcanization of mounting bracket manage and have the rotational degree of freedom to be more convenient for with vulcanization pipe coaxial arrangement, the rotation of mounting bracket can the surface of rounding cable simultaneously, makes the circularity that the cable was qualified for the next round of competitions better, and the eccentricity is lower.
As the optimization of the invention to the scheme, the front end of the arc-shaped inner sleeve is provided with a circle of embedded teeth, the fixed shaft is provided with an annular embedded groove matched with the embedded teeth, and the section of the embedded teeth is T-shaped or dovetail-shaped.
As an optimization of the invention to the above scheme, the bracket mounting rod comprises a telescopic sleeve and a U-shaped clamping portion, the telescopic sleeve comprises an outer mounting tube and an inner sleeve, and a second spring is mounted between the inner tube and the outer mounting tube.
As the optimization of the scheme, the bottom of the inner sleeve is provided with an annular spring seat, the second spring is sleeved outside the inner sleeve, the bottom of the second spring is fixed on the annular spring seat, the upper end of the second spring is provided with an elasticity adjusting mechanism, the elasticity adjusting mechanism comprises an adjusting knob, an adjusting upper cover, a bevel gear set, an adjusting rod and an adjusting gear, the upper part of the outer mounting cylinder is provided with a mounting groove corresponding to the adjusting knob, the adjusting knob is perpendicular to the surface of the outer mounting cylinder and is rotatably embedded in the mounting groove, the bottom of the adjusting knob is provided with the bevel gear set, the bevel gear set is externally connected with the adjusting rod, the adjusting rod vertically penetrates through the mounting groove and is fixed through a bearing, the adjusting gear is fixed at the other end of the adjusting rod, the adjusting upper cover is annular, the inner circular surface of the adjusting upper cover is provided with threads, the outer circular surface of the adjusting upper cover is provided with a circle of vertical tooth grooves, and the adjusting upper cover is sleeved outside the inner sleeve and is in threaded connection with the inner sleeve, the upper end of the second spring abuts against the lower end face of the adjusting upper cover, and a tooth groove in the outer circular face of the adjusting upper cover is meshed with the adjusting gear. The pretightening force of the second spring can be adjusted through the elasticity adjusting mechanism in the application, for example, the second spring in the bracket mounting rod below the cable can be adjusted to be in a pre-tensioned state during use, so that the cable can be better positioned at the center of the vulcanization pipeline, and the eccentricity of the cable can be adjusted.
As the optimization of the scheme of the invention, the outer mounting cylinder is of a two-section structure, and the bottom of the outer mounting cylinder is provided with a threaded connection part for dividing the outer mounting cylinder into two sections. The adoption of the structure is more convenient for the installation and maintenance of the device.
As an optimization of the invention to the above scheme, the arc-shaped connecting pipe is of a two-section structure, and a threaded connection part for dividing the arc-shaped connecting pipe into two sections is arranged at the middle section of the arc-shaped connecting pipe. The adoption of the structure is more convenient for the installation and maintenance of the device.
The invention optimizes the scheme, one end of the arc-shaped inner sleeve, which is connected with the arc-shaped connecting pipe, points to the inner wall of the arc-shaped connecting pipe, and is provided with a first spring mounting seat, the first spring is sleeved outside the arc-shaped inner sleeve, two ends of the arc-shaped connecting pipe are provided with inward beam openings, one end of the first spring is propped against the beam openings, and the other end of the first spring is fixed on the first spring mounting seat.
As an optimization of the scheme of the invention, the clamping parts at the two sides are respectively provided with a strip-shaped hole with the width equal to the diameter of the fixed shaft, two ends of the fixed shaft penetrate through the strip-shaped hole and are provided with a limiting head, and the fixed shaft can slide along the strip-shaped hole in the radial direction of the mounting frame. This structure can make the cable size scope that can adapt to from adaptive mechanism bigger, and more tight back has been adjusted at the second spring simultaneously, can also leave certain surplus through the slip in bar hole, thereby avoids the too tight influence cable surface quality that curved roll wheel pressed.
The invention has the beneficial effects that:
(1) firstly, the self-adapting mechanism of the invention is arranged coaxially with the cable vulcanizing pipeline, and the cable enters from the axis of the vulcanizing pipe when entering the vulcanizing pipe by the rubber extruding machine through traction during the continuous vulcanizing process, so the cable can keep better concentricity with the self-adapting mechanism, and the eccentricity phenomenon generated by the gravity of the cable on the vulcanizing process can be corrected by the first spring and the second spring when passing through the self-adapting mechanism of the invention, for example, the common cable is subjected to dead weight to ensure that a cross-linked sheath below a cable conductor is thicker than the upper part, in the invention, when the cable is influenced by dead weight to ensure that the lower part of the cable is thicker, the lower sheath layer receives larger extrusion force, and the second spring below is subjected to tensile deformation to force the influence of dead weight of the cable to weaken the influence of dead weight of the cable, thereby avoiding the further expansion of the eccentricity of the cable, and ensuring that the eccentricity of the whole cable is maintained in a smaller range, the overall qualification rate of the cable and the performance of the product are improved.
(2) Secondly, self-adaptation mechanism in this application can adapt to the diameter and pass through at the cable of certain size scope, that is to say this application when making the cable of different size specifications in the cable manufacturing process, can both use to when improving the performance of cable product and alleviateing the eccentricity, avoided the process of change with the regulation, thereby improved the manufacturing production efficiency of cable.
(3) Because the cable is in a suspension curve state in the vulcanizing pipe under the action of self weight, the cable is easy to scrape the vulcanizing pipe wall, and the quality problem of the cable surface is caused, in the application, after the coaxiality of the cable and the vulcanizing pipe is reduced, namely, the cable inevitably presses the arc-shaped roller wheels below the cable when passing through the self-adaptive mechanism of the application, so that the arc-shaped roller wheels below the cable are pressed to enable the second springs to generate elastic force, meanwhile, the self-adaptive mechanism is connected through the arc-shaped connecting pieces, after the arc-shaped roller wheels below the cable are pressed to deflect downwards, the first springs of the arc-shaped connecting pieces are compressed to generate tensile force to weaken the trend of downward deflection, and when the cable deflects downwards, namely the cable is not positioned in the center of the device, the cable inevitably presses the arc-shaped roller wheels at two sides, so that the bracket mounting rods at the side of the arc-shaped roller wheels are pressed, and the second springs at the lower side of the cable are subjected to tensile force, namely, the second spring in tension and the first spring in compression work together to avoid the cable from being deflected to generate scraping, so that the problem that the cable is scraped in the vulcanizing tube is greatly reduced.
(4) One section cable conductor after generally starting up can be abandoned because of eccentricity and appearance quality in continuous vulcanization technology, and the finished product rolling is explained at the drum after eccentricity and outward appearance are good, has caused certain waste of material, adopts the device in this application can reduce the extravagant phenomenon of cable of certain degree, makes the cable of vulcanization technology output reach ideal eccentric standard more soon.
Drawings
FIG. 1 is a schematic view of an installation structure of an auxiliary device of the cable rubber extrusion continuous vulcanization process in a vulcanization pipeline.
FIG. 2 is a schematic cross-sectional view of an auxiliary device for a cable rubber extrusion continuous vulcanization process according to the present invention.
Fig. 3 is a schematic structural view of the arc-shaped connection member of fig. 1.
Fig. 4 is a side view of the clamping portion of fig. 1.
Fig. 5 is a schematic structural view of the spring force adjustment mechanism in embodiment 3.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
The device comprises a base, a vulcanizing tube, a cable, a 3, an installation frame, a 4, a support installation rod, a 41, a clamping part, 411, a strip-shaped hole, 412, a limiting head, a 42, an outer installation barrel, 421, an installation groove, 422, a bearing, 43, an inner sleeve, 431, an annular spring seat, 44, a second spring, 45, an elastic force adjusting mechanism, 451, an adjusting knob, 452, an adjusting upper cover, 453, a bevel gear group, 454, an adjusting rod, 455, an adjusting gear, 5, an arc roller mechanism, 51, an arc roller, 52, a limiting plate, 53, a fixed shaft, 6, an arc connecting piece, 61, an arc connecting tube, 611, a beam port end, 62, an arc inner sleeve, 621, a first spring installation seat, 63, a first spring, 64, an embedded tooth, 65, an annular embedded groove, 7, a ball bearing, 8 and a threaded connection part.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 3, an auxiliary device for a cable rubber extrusion continuous vulcanization process is arranged in a cable vulcanization pipe 1, and comprises an adaptive mechanism for keeping a cable 2 at the center of the vulcanization pipe 1 and an installation frame 3 of the adaptive mechanism, wherein the installation frame 3 is an annular support concentrically fixed with the cable vulcanization pipe 1, the adaptive mechanism is composed of two pairs of adaptive supports, each adaptive support comprises an elastically telescopic support installation rod 4, the tail end of each support installation rod 4 is radially fixed at the inner side of the installation frame 3, the front end of each support installation rod 4 is a clamping part 41 in a U shape and fixedly clamped with an arc-shaped roller mechanism, each arc-shaped roller mechanism 5 comprises an arc-shaped roller 51, limiting plates 52 at two sides of the arc-shaped roller, and a fixed shaft 53 passing through the limiting plates 52 at two sides and the center of the arc-shaped roller 51, the clamping part 41 is clamped on the fixed shafts 53 at the outer sides of the two limiting plates 52, self-adaptation mechanism constitutes the annular assembly through 6 end to end of an arc connecting piece between the dead axle 53 of its inside self-adaptation support, and constitutes between the arc running roller 51 and hold the circular or nearly circular shape mouth of passing through that cable 2 passes through, arc connecting piece 6 includes arc connecting pipe 61, elastic expansion and contraction and at the arc at arc connecting pipe 61 both ends in interior sleeve pipe 62 of arc and the first spring 63 between arc interior sleeve pipe 62 and the arc connecting pipe 61, the other end of interior sleeve pipe 62 of arc is inlayed and is detained its dead axle 53 one end that closes on to rotate with dead axle 53 and be connected.
In this embodiment, the mounting frame 3 is mounted in the cable gland 1 by means of ball bearings 7. Install through ball bearing 7 mounting bracket 3 can make mounting bracket 3 vulcanize relatively pipe 1 and have the rotational degree of freedom to be more convenient for with vulcanize 1 coaxial arrangement of pipe, the rotation of mounting bracket 2 can the surface of rounding cable 2 simultaneously, makes the circularity that the cable was qualified for the next round of competitions better, and the eccentricity is lower.
In this embodiment, the front end of the arc-shaped inner sleeve 62 is provided with a circle of fitting teeth 64, the fixed shaft 53 is provided with an annular fitting groove 65 which is matched with the fitting teeth 64, and the cross section of the fitting teeth 64 is T-shaped or dovetail-shaped.
In this embodiment, the bracket mounting rod 4 includes a telescopic sleeve and a U-shaped clamping portion 41, the telescopic sleeve includes an outer mounting tube 42 and an inner sleeve 43, and a second spring 44 is fixedly connected between the inner tube 43 and the outer mounting tube 42.
In this embodiment, the arc connection pipe 61 has a two-segment structure, and a threaded connection portion 8 for dividing the arc connection pipe into two segments is disposed at the middle segment of the arc connection pipe 61. The adoption of the structure is more convenient for the installation and maintenance of the device.
In this embodiment, a first spring mounting seat 621 is disposed on an inner wall of the arc-shaped connecting pipe 61, where the end of the arc-shaped inner sleeve 62 that is connected to the arc-shaped connecting pipe 61 points to the inner wall of the arc-shaped connecting pipe 61, and the first spring 63 is sleeved outside the arc-shaped inner sleeve 62, inward beam ends 611 are disposed at two ends of the arc-shaped connecting pipe 61, one end of the first spring 63 is fixed to the beam ends 611, and the other end of the first spring 63 is fixed to the first spring mounting seat 621.
Based on the above, the auxiliary device in the present invention can make the cable tend to keep at the center of the vulcanizing tube 1 all the time in the continuous vulcanizing process, when the cable is in the "hanging curve" state due to the self-weight or the tension, the arc roller 51 below the cable is pressed, the second spring 44 is in the pre-tensioned state to provide a certain elastic force, and meanwhile, the two sides of the cable 2 will press the arc rollers 51 at the two sides, so that the second springs 44 at the two sides will also provide a certain elastic force due to the pre-tensioned state, so that the cable 2 weakens the influence of the self-weight and the tension; meanwhile, the auxiliary device is convenient to install, and is more convenient to install due to the symmetrical structure.
Example two
The difference from the above embodiment is that, in the present embodiment, the adaptive mechanism is composed of a pair of adaptive brackets.
In this embodiment, the clamping portions 41 on both sides are all opened with a strip-shaped hole 411 having a width equal to the diameter of the fixed shaft 53, and both ends of the fixed shaft 53 pass through the strip-shaped hole 411 to be provided with a limiting head 412, and the fixed shaft 53 can slide along the strip-shaped hole 411 in the radial direction of the mounting bracket 3. This structure can make the cable 2 size range that can adapt to from the adaptation mechanism bigger, and the second spring 44 is drawn and is made the arc running roller 51 after pushing up simultaneously, can also leave certain surplus through the slip of bar hole 411, thereby avoids the too tight influence cable surface quality of arc running roller 51 pressure.
EXAMPLE III
The difference from the first embodiment is that, as shown in fig. 4, in the present embodiment, an annular spring seat 431 is disposed at the bottom of the inner sleeve 43, the second spring 44 is sleeved outside the inner sleeve 43, and the bottom of the second spring is fixed on the annular spring seat 431, an elastic force adjusting mechanism 45 is disposed at the upper end of the second spring 44, the elastic force adjusting mechanism 45 includes an adjusting knob 451, an adjusting upper cover 452, a bevel gear set 453, an adjusting rod 454 and an adjusting gear 455, an installation groove 421 corresponding to the adjusting knob 451 is disposed at the upper portion of the outer installation cylinder 42, the adjusting knob 451 is rotatably embedded in the installation groove 421 perpendicular to the surface of the outer installation cylinder 42, the bevel gear set 453 is disposed at the bottom of the adjusting knob 451, the bevel gear set 453 circumscribes the adjusting rod 454, the adjusting rod 454 vertically penetrates through the installation groove 421 and is fixed by a bearing 422, the adjusting gear 455 is fixed at the other end of the adjusting rod 454, the adjusting upper cover 452 is annular, a thread is formed in the inner circular surface of the adjusting upper cover 452, a circle of vertical tooth grooves are formed in the outer circular surface of the adjusting upper cover, the adjusting upper cover 452 is sleeved on the outer side of the inner sleeve 43 and is in threaded connection with the inner sleeve 43, the upper end of the second spring 44 is fixed on the lower end surface of the adjusting upper cover 452, and the tooth grooves in the outer circular surface of the adjusting upper cover 452 are meshed with the adjusting gear 455. The position of the adjusting upper cover 452 can be adjusted by the elastic force adjusting mechanism 45, since the cable 2 passes through and the second spring 44 is in a stretching state, therefore, the closer the upper adjusting cover 452 is to the upper end of the outer mounting cylinder 42, the more the device can bear the cable with larger dead weight, when the dead weight of the cable 2 is larger and the radius of the cable is larger as the vulcanized layer thereof is thicker, by pre-adjusting the upper cap 452 to approach the upper end of the outer mounting cylinder 42, the second spring 44 will pull the clamping portion 41 toward the center of the mounting frame 3, the longer the spring is pulled, the larger the elasticity is, so that the cable can deviate to the position before the upper cover 452 is adjusted without adjustment by the larger gravity, that is to say, the cable with larger dead weight can be used, so that the cable can be better brought to the centre of the vulcanisation tube 1 and the eccentricity problems of the cable 2 can be adjusted in this way.
In this embodiment, the outer mounting cylinder 42 has a two-section structure, and the bottom of the outer mounting cylinder 42 is provided with a threaded connection 8 for dividing the outer mounting cylinder 42 into two sections. The adoption of the structure is more convenient for the installation and maintenance of the device.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments may fall within the scope of the appended claims within the spirit of the present invention.

Claims (6)

1. The utility model provides an auxiliary device for crowded rubber continuous vulcanization technology of cable sets up in the cable vulcanization pipe, its characterized in that, including make the cable keep with the self-adaptation mechanism who vulcanizes the pipe center and this self-adaptation mechanism's mounting bracket, the mounting bracket be with the concentric fixed ring carrier of cable vulcanization pipe, self-adaptation mechanism comprises two at least self-adaptation supports, but self-adaptation support includes an elastic telescopic's support mounting pole, the end of support mounting pole radially is fixed in the mounting bracket is inboard, and the front end of support mounting pole is the clamping part of U type for the shape to the centre gripping is fixed with an arc running roller mechanism, arc running roller mechanism includes the limiting plate of arc running roller, arc running roller both sides, passes the dead axle at both sides limiting plate and arc running roller center, the clamping part centre gripping is on the dead axle in the two limiting plate outsides, self-adaptation mechanism constitutes by an arc connecting piece end to end between the dead axle of its inside self-adaptation support through The cable connecting device comprises an annular assembly, wherein a circular or nearly circular through hole for allowing a cable to pass is formed between arc rollers, the arc connecting piece comprises an arc connecting pipe, arc inner sleeves elastically stretching at two ends of the arc connecting pipe and a first spring between the arc inner sleeves and the arc connecting pipe, and the other ends of the arc inner sleeves are buckled at one ends of fixed shafts close to the arc inner sleeves in an embedded manner and are rotationally connected with the fixed shafts; the front end of the arc-shaped inner sleeve is provided with a circle of embedded teeth, the fixed shaft is provided with an annular embedded groove matched with the embedded teeth, the section of each embedded tooth is T-shaped or dovetail-shaped, the support mounting rod comprises a telescopic sleeve and a U-shaped clamping part, the telescopic sleeve comprises an outer mounting cylinder and an inner sleeve, and a second spring is mounted between the inner cylinder tube and the outer mounting cylinder; the bottom of the inner sleeve is provided with an annular spring seat, the second spring is sleeved outside the inner sleeve, the bottom of the second spring is fixed on the annular spring seat, the upper end of the second spring is provided with an elasticity adjusting mechanism, the elasticity adjusting mechanism comprises an adjusting knob, an adjusting upper cover, a bevel gear set, an adjusting rod and an adjusting gear, the upper part of the outer mounting cylinder is provided with a mounting groove corresponding to the adjusting knob, the adjusting knob is rotatably embedded in the mounting groove perpendicular to the surface of the outer mounting cylinder, the bottom of the adjusting knob is provided with the bevel gear set, the bevel gear set is externally connected with the adjusting rod, the adjusting rod vertically penetrates through the mounting groove and is fixed through a bearing, the other end of the adjusting rod is fixed with the adjusting gear, the adjusting upper cover is in a circular ring shape, the inner circular surface of the adjusting upper cover is provided with threads, the outer circular surface of the adjusting upper cover is sleeved outside the inner sleeve and is in threaded connection with the inner sleeve, the upper end of the second spring abuts against the lower end face of the adjusting upper cover, and a tooth groove in the outer circular face of the adjusting upper cover is meshed with the adjusting gear.
2. The auxiliary device as claimed in claim 1, wherein the mounting frame is mounted in the cable vulcanizing tube via a ball bearing.
3. The auxiliary device for the cable rubber extrusion continuous vulcanization process of claim 1, wherein the outer mounting cylinder is a two-section structure, and a threaded connection part for dividing the outer mounting cylinder into two sections is arranged at the bottom of the outer mounting cylinder.
4. The auxiliary device for the cable rubber extrusion continuous vulcanization process of claim 1, wherein the arc-shaped connection pipe has a two-segment structure, and a threaded connection part for dividing the arc-shaped connection pipe into two segments is provided at the middle segment of the arc-shaped connection pipe.
5. The auxiliary device as claimed in claim 1, wherein the end of the arc-shaped inner sleeve that is connected to the arc-shaped connecting pipe and points to the inner wall of the arc-shaped connecting pipe is provided with a first spring mounting seat, the first spring is sleeved outside the arc-shaped inner sleeve, two ends of the arc-shaped connecting pipe are provided with inward beam ends, one end of the first spring abuts against the beam ends, and the other end of the first spring is fixed on the first spring mounting seat.
6. The auxiliary device for the cable rubber extrusion continuous vulcanization process as claimed in claim 1, wherein the clamping portions on both sides are each provided with a strip-shaped hole having a width equal to the diameter of the fixed shaft, and a stopper is provided at both ends of the fixed shaft passing through the strip-shaped hole, and the fixed shaft can slide along the strip-shaped hole in the radial direction of the mounting bracket.
CN202010566716.3A 2020-06-19 2020-06-19 Auxiliary device for cable rubber extrusion continuous vulcanization process Active CN111716676B (en)

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