CN116714232B - Optical cable sleeve forming and processing device and process - Google Patents

Abstract

The application belongs to the technical field of plastic processing, and particularly relates to an optical cable sleeve forming and processing device and a process, wherein the optical cable sleeve forming and processing device comprises a first expansion assembly and a second expansion assembly, and the expansion of a cold shrink sleeve from inside to outside is realized through the arranged first expansion assembly, so that the problem that the inner wall of the cold shrink sleeve is easily scratched by an expansion mechanism in the prior art, and the service life of the cold shrink sleeve is further reduced; after the cold shrink sleeve is expanded, the outer wall of the cold shrink sleeve is adsorbed and fixed through the second expansion assembly, so that the expansion speed of the thinner side wall of the cold shrink sleeve can be restrained, and the expansion degree of the cold shrink sleeve is more uniform.

Description

Optical cable sleeve forming and processing device and process

Technical Field

The application belongs to the technical field of plastic processing, and particularly relates to an optical cable sleeve forming processing device and process.

Background

The processing operation mode of the cold shrink sleeve comprises manual sleeving or mechanical auxiliary sleeving, and in actual work, the plastic forming connection operation of the cold shrink sleeve is finished by adopting a mechanical auxiliary sleeving mode generally so as to ensure the working efficiency. The cold shrink sleeve expansion mechanism is a device for expanding and forming the cold shrink sleeve into connection. Such devices typically consist of a table, an expansion mechanism, a conical head, a fixed mount, and the like.

In the prior art, as disclosed in chinese patent CN110789111B, an expansion device for a telescopic tube and a method for expanding a telescopic tube using the expansion device are disclosed, the expansion device includes an expansion member, the expansion member includes a tapered portion and a plurality of blades, the blades are inserted into a cold shrink sleeve, the tapered portion is inserted into the blades, the blades are pushed by the tapered portion to expand the blades, the blades expand to drive the cold shrink sleeve to expand, and the blades easily scratch the inner surface of the cold shrink sleeve during the expansion of the cold shrink sleeve, so as to affect the service life of the cold shrink sleeve.

Disclosure of Invention

Based on this, it is necessary to provide a device and a process for molding and processing an optical cable sleeve, which aims at the problems that the inner wall of the cold shrink sleeve is easily scratched by an expansion mechanism in the prior art, and the service life of the cold shrink sleeve is further reduced.

The above purpose is achieved by the following technical scheme:

the optical cable sleeve forming and processing device comprises a frame, a shell, a first expansion assembly and a second expansion assembly; the shell is a cylindrical shell and is vertically arranged on the rack; the first expansion assembly comprises a first pipe body and a rubber sleeve, the lower end of the first pipe body is mounted on the frame, the first pipe body and the shell are coaxially arranged, the rubber sleeve is sleeved outside the first pipe body, two ends of the rubber sleeve are respectively and fixedly connected with two ends of the first pipe body in a sealing mode, a gas through hole is formed in the pipe wall of the first pipe body, the gas through hole is communicated with the inside of the first pipe body and the inside of the rubber sleeve, and gas is introduced into the first pipe body to enable the rubber sleeve to expand; the second expansion assembly comprises a hollowed-out shell and a matching groove, the matching groove is fixedly connected to the inner wall of the shell, the hollowed-out shell is arranged between the rubber sleeve and the inner wall of the shell, the outer wall of the hollowed-out shell is in sliding fit with the inner wall of the matching groove, an air suction through hole is formed in one side, close to the rubber sleeve, of the hollowed-out shell, an air suction piece is arranged in the hollowed-out shell, the air suction piece can suck air, and the air suction piece sucks air into the hollowed-out shell through the air suction through hole; the second expansion assembly is disposed in a plurality of groups about an axis of the housing.

Further, the hollowed-out shell is mounted in the matching groove in a sliding and sealing manner; the second expansion assembly further comprises an exhaust pipe, the exhaust pipe is mounted on the outer wall of the shell, and the exhaust pipe is communicated with the matching groove.

Further, the second expansion assembly further comprises a first elastic piece, the first elastic piece is arranged in the matching groove, and two ends of the first elastic piece are respectively connected with the bottom of the matching groove and the hollowed-out shell.

Further, the optical cable sleeve forming and processing device further comprises a first rotating disc, wherein the first rotating disc is rotatably arranged at the upper end of the shell, wedge-shaped through grooves are formed in the first rotating disc, and the number of the wedge-shaped through grooves corresponds to the number of the hollowed-out shells; the second expansion assembly further comprises a first shaft body, the first shaft body is vertically fixedly connected to the upper end of the hollowed-out shell, and the first shaft body penetrates through the wedge-shaped through groove; the side wall of the wedge-shaped through groove, which is in contact with the first shaft body, is a first side wall, the first side wall is obliquely arranged, and the distances between two end points of the first side wall and the axis of the shell are unequal; the first rotating disc rotates and drives the first shaft body to move through the first side wall, and the first shaft body moves to drive the hollowed-out shell to slide in the matching groove along the radial direction of the shell.

Further, a connecting block is arranged on the hollowed-out shell, the connecting block is provided with a first end part and a second end part, the first end part is vertically and fixedly connected with the second end part, one end of the first end part is fixedly connected with the upper end of the hollowed-out shell, the other end of the first end part is vertically and fixedly connected with one end of the second end part, and the first shaft body is vertically and fixedly connected with the other end of the second end part; the distance between the second end part and the side wall of the hollowed-out shell is a first distance, and the first distance is the thickness of the inner wall of the matching groove.

Further, the upper end and the lower end of the first pipe body are openings; the lower end of the first pipe body is provided with a gas source, and the gas source can supply gas into the first pipe body; the upper end of the first pipe body is provided with an exhaust valve, and the exhaust valve can release gas in the first pipe body.

Further, the exhaust valve comprises a conical block, a connecting rod, a second elastic piece and a pressing handle; the upper end opening of the first pipe body is provided with a matching sleeve, the upper end of the matching sleeve is provided with an opening, the wall of the lower end of the matching sleeve is provided with a conical hole, and the diameter of the upper end of the conical hole is smaller than that of the lower end of the conical hole; the taper block is installed in the taper hole, press the handle setting and be in taper block top, press the handle with the taper block passes through the connecting rod is connected, the second elastic component cover is located the connecting rod, the second elastic component is in compression state, and the second elastic component both ends butt respectively press the handle lower extreme with the telescopic diapire of cooperation, the second elastic component passes through press the handle with the connecting rod is right the taper block exerts effort, makes the taper block all the time with the laminating of the inner wall in taper hole.

Further, the frame comprises a moving frame; the first pipe body is arranged on the movable frame; the movable frame comprises a movable block and a sliding shell; a sliding groove is formed in the bottom of the shell, and the sliding groove is arranged along the tangential direction of the shell; the sliding shell is in sliding fit with the sliding groove, so that the sliding shell can move along the tangential direction of the shell; the moving block is slidably mounted in the sliding housing in a radial direction of the housing; and the moving block is fixedly connected to the outer wall of the first pipe body, so that the first pipe body can move along the radial direction of the shell and the tangential direction of the shell.

Further, the optical cable sleeve forming and processing device also comprises a charging assembly, wherein the charging assembly comprises a telescopic rod and a loading and unloading claw; the upper end of the telescopic rod is fixedly connected to the frame, the loading and unloading claw is arranged at the lower end of the telescopic rod, the telescopic rod can stretch out and draw back and drive the loading and unloading claw to move up and down, and the loading and unloading claw can load and unload materials.

The optical cable sleeve forming processing technology is used for expanding the cold shrink sleeve and sleeving the expanded cold shrink sleeve on the supporting tube, and is realized by adopting the optical cable sleeve forming processing device, and comprises the following steps of:

s010: expanding the shrink sleeve from inside to outside by inflating the rubber sleeve;

s020: if the expansion of the tube wall of the cold shrink tube is uneven, the wall thickness of the part of the cold shrink tube, which expands too fast, is lower than the wall thickness of the surrounding tube wall; the hollow shell is used for absorbing and fixing the pipe wall of the part of the cold shrink sleeve, which expands too fast, in advance so as to inhibit the expansion and expansion of the weak part of the pipe wall of the cold shrink sleeve;

s030: the diameter of the expanded cold shrink sleeve is larger than that of the supporting tube, and the outer wall of the cold shrink sleeve is adsorbed and fixed through the hollowed-out shell, so that the cold shrink sleeve is prevented from shrinking;

s040: placing the support tube into the cold shrink sleeve;

s050: and stopping the air suction of the air suction piece in the hollowed-out shell so as to release the fixation of the outer wall of the cold shrink sleeve, so that the cold shrink sleeve is contracted, and the cold shrink sleeve is sleeved on the outer wall of the supporting tube.

The beneficial effects of the application are as follows:

1. the first pipe body and the rubber sleeve are arranged to expand the cold shrink sleeve from inside to outside, and the rubber sleeve is made of flexible materials, so that the problem that the service life of the cold shrink sleeve is reduced due to the fact that the inner wall of the cold shrink sleeve is easily scratched by the expansion mechanism in the prior art is avoided; compared with a mechanical mechanism for supporting the inner wall of the cold shrink sleeve in the prior art, the hollow shell adsorbs the expanded cold shrink sleeve, so that the support tube is more conveniently inserted into the cold shrink sleeve;

2. the hollow shell adsorbs the thinner lateral wall of shrinkage sleeve through the through-hole that breathes in, can restrain the expansion rate of the thinner lateral wall of shrinkage sleeve, makes the degree of expansion of shrinkage sleeve more even.

Drawings

Fig. 1 is a schematic perspective view of an apparatus for forming and processing an optical cable tube according to an embodiment of the present application.

Fig. 2 is a front view of an apparatus for molding and processing a cable jacket according to an embodiment of the present application.

Fig. 3 is a schematic perspective view of a part of a structure of an apparatus for forming and processing an optical cable jacket according to an embodiment of the present application, with a charging assembly omitted.

Fig. 4 is a front view showing a part of the structure of the optical cable jacket molding apparatus according to the embodiment of the present application.

Fig. 5 is a cross-sectional view from a perspective at A-A in fig. 4.

Fig. 6 is a cross-sectional view at B in fig. 5.

Fig. 7 is a bottom view of a part of the structure of the optical cable jacket molding apparatus according to the embodiment of the present application.

Fig. 8 is a schematic perspective view of a part of a device for forming and processing an optical cable sleeve according to an embodiment of the present application, where the device includes a moving block, a sliding housing, and a chute.

Fig. 9 is an exploded view of an apparatus for molding an optical cable sleeve according to an embodiment of the present application.

Fig. 10 is a partial enlarged view at C in fig. 9.

Fig. 11 is a schematic perspective view of an apparatus for forming and processing an optical cable sleeve according to an embodiment of the present application, where the apparatus includes a support tube.

Fig. 12 is a plan view of an apparatus for molding and processing a cable sleeve according to an embodiment of the present application, which includes a structure such as a shrink sleeve having a non-uniform wall thickness.

Wherein:

100. a housing; 110. a first driving motor; 120. a first drive gear; 130. a second drive gear;

200. a cold shrink sleeve;

300. a support tube;

400. a first tube body; 410. a gas through hole; 420. a rubber sleeve; 430. a hollowed-out shell; 440. a mating groove; 450. an air suction through hole; 460. an exhaust pipe; 470. a first elastic member; 480. a mating sleeve;

500. a first rotating disc; 510. wedge-shaped through grooves; 520. a first sidewall; 530. a first shaft body; 540. a connecting block; 550. a first end; 560. a second end;

600. an exhaust valve; 610. a conical block; 620. a connecting rod; 630. a second elastic member; 640. pressing the handle;

700. a moving rack; 710. a moving block; 720. a sliding housing; 730. a chute;

800. a telescopic rod; 810. a loading and unloading claw; 820. and (3) a cylinder.

Detailed Description

The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The following describes an optical cable sleeve forming and processing device provided by an embodiment of the present application with reference to fig. 1 to 12.

The optical cable sleeve forming and processing device can be used for sleeving the expanded cold shrink sleeve 200 on the support tube 300, and comprises a frame, a shell 100, a first expansion assembly and a second expansion assembly; the housing 100 is a cylindrical shell and is vertically mounted on the frame; the first expansion assembly comprises a first pipe body 400 and a rubber sleeve 420, wherein the lower end of the first pipe body 400 is mounted on the frame, the first pipe body 400 and the shell 100 are coaxially arranged, the rubber sleeve 420 is sleeved outside the first pipe body 400, two ends of the rubber sleeve 420 are respectively and fixedly connected to two ends of the first pipe body 400 in a sealing mode, a gas through hole 410 is formed in the pipe wall of the first pipe body 400, the gas through hole 410 is communicated with the inside of the first pipe body 400 and the inside of the rubber sleeve 420, and gas is introduced into the first pipe body 400 to enable the rubber sleeve 420 to expand.

The second expansion assembly comprises a hollow shell 430 and a matching groove 440, the matching groove 440 is fixedly connected to the inner wall of the shell 100, the hollow shell 430 is arranged between the rubber sleeve 420 and the inner wall of the shell 100, the outer wall of the hollow shell 430 is in sliding fit with the inner wall of the matching groove 440, an air suction through hole 450 is formed in one side, close to the rubber sleeve 420, of the hollow shell 430, an air suction piece is arranged in the hollow shell 430, the air suction piece can suck air into the hollow shell 430 through the air suction through hole 450, when the cold shrink sleeve 200 continuously expands and contacts the air suction through hole 450, the hollow shell 430 adsorbs the cold shrink sleeve 200 through the air suction through hole 450, so that the cold shrink sleeve 200 is fixed on the hollow shell 430, then the gas in the first tube 400 is released, the rubber sleeve 420 is contracted, the support tube 300 is inserted into the hollow shell 200 to stop sucking air, the cold shrink sleeve 200 is contracted, and the cold shrink sleeve 200 is contracted to be tightly clamped on the outer wall of the support tube 300.

The second stent assembly is disposed in multiple sets about the axis of the outer sheath 100.

In detail, the plurality of air suction through holes 450 are provided, and the plurality of air suction through holes 450 are uniformly distributed on the sidewall of the hollowed-out casing 430 at one side close to the axis of the casing 100. The gas through holes 410 are provided in plurality on the first pipe body 400.

In the use process, firstly, the cold shrink sleeve 200 is sleeved on the rubber sleeve 420, then, gas is introduced from the bottom of the first tube body 400, the gas enters the first tube body 400 from the bottom of the first tube body 400, the gas in the first tube body 400 is discharged out of the first tube body 400 through the gas through hole 410, the rubber sleeve 420 is expanded to drive the cold shrink sleeve 200 to expand, the cold shrink sleeve 200 is expanded to a diameter larger than that of the support tube 300, in the expansion process of the cold shrink sleeve 200, the hollow sleeve 430 is contacted with the air suction through hole 450 of the hollow shell 430 to suck air, the hollow shell 430 sucks the expanded cold shrink sleeve 200 through the air suction through hole 450 and fixes the cold shrink sleeve 200, the gas is stopped from being introduced into the first tube body 400, the rubber sleeve 420 is contracted, a gap is reserved between the rubber sleeve 420 and the cold shrink sleeve 200, the support tube 300 is inserted into the cold shrink sleeve 200, the hollow shell 430 is stopped from sucking air, the outer wall of the cold shrink sleeve 200 is further released, and the support tube 200 is contracted and the support tube 300 is tightly hooped.

The first pipe body 400 and the rubber sleeve 420 are arranged to enable the cold shrink sleeve 200 to expand from inside to outside, the rubber sleeve 420 is made of flexible materials, the problem that in the prior art, the inner wall of the cold shrink sleeve 200 is easily scratched by an expansion mechanism, the service life of the cold shrink sleeve 200 is further shortened is avoided, the outer wall of the cold shrink sleeve 200 is fixedly adsorbed through the hollowed-out shell 430 after the cold shrink sleeve 200 expands, compared with a mechanical mechanism for supporting the inner wall of the cold shrink sleeve 200 in the prior art, the hollowed-out shell 430 adsorbs the expanded cold shrink sleeve 200, and the support pipe 300 is more conveniently inserted into the expanded cold shrink sleeve 200.

The hollowed-out shell 430 is mounted in the matching groove 440 in a sliding and sealing manner; the second expansion assembly further includes an exhaust pipe 460, the exhaust pipe 460 being mounted on the outer wall of the housing 100, the exhaust pipe 460 being in communication with the mating groove 440.

In detail, the number of the exhaust pipes 460 is equal to that of the coupling grooves 440. The hollowed-out shell 430 slides in the radial direction of the casing 100 in the mating groove 440. The air suction member is an air pump or a plunger pump, and the like, so that air outside the hollow shell 430 is sucked into the hollow shell 430 through the air suction through hole 450 by the air suction member, and is discharged through the exhaust pipe 460. When the cold shrink sleeve 200 expands and contacts the air suction through hole 450, the hollow shell 430 adsorbs and fixes the cold shrink sleeve 200 through the air suction through hole 450; in the process of adsorbing the cold shrink sleeve 200 by the hollow shell 430, the air suction member continuously sucks air, so that the hollow shell 430 moves in a direction away from the axis of the casing 100, that is, the hollow shell 430 is retracted into the matching groove 440, and the cold shrink sleeve 200 is further expanded.

The second expansion assembly further comprises a first elastic member 470, wherein the first elastic member 470 is disposed in the matching groove 440, and two ends of the first elastic member 470 are respectively connected with the bottom of the matching groove 440 and the hollowed-out casing 430.

Specifically, the hollowed-out casing 430 is vertically arranged and has an upper end and a lower end, and the first elastic members 470 are arranged in two and are respectively installed at the upper end and the lower end of the hollowed-out casing 430; the first elastic member 470 can apply a force to the hollow shell 430 to move the hollow shell 430 toward the axial direction of the outer shell 100 or to move the hollow shell 430 toward the axial direction of the outer shell 100, and after the operation of sleeving the shrink sleeve 200 on the support tube 300 is completed, the first elastic member 470 resets the hollow shell 430.

The optical cable sleeve forming and processing device further comprises a first rotating disc 500, the first rotating disc 500 is rotatably arranged at the upper end of the shell 100, wedge-shaped through grooves 510 are formed in the first rotating disc 500, and the number of the wedge-shaped through grooves 510 corresponds to the number of the hollowed-out shells 430.

The second expansion assembly further comprises a first shaft body 530, the first shaft body 530 is vertically fixedly connected to the upper end of the hollowed-out shell 430, and the first shaft body 530 penetrates through the corresponding wedge-shaped through groove 510; the first shaft body 530 contacts with one side wall of the wedge-shaped through groove 510, the side wall of the wedge-shaped through groove 510, which contacts with the first shaft body 530, is a first side wall 520, the first side wall 520 is obliquely arranged, and the distances between two end points of the first side wall 520 and the axis of the shell 100 are unequal; the first rotating disc 500 rotates and drives the first shaft body 530 to move through the first side wall 520, and the first shaft body 530 moves to drive the hollowed-out shell 430 to slide in the matching groove 440 along the radial direction of the shell 100.

In detail, the first sidewall 520 is closer to the axis of the housing 100 than the other sidewalls of the wedge-shaped through slot 510. The optical cable sleeve forming and processing device further comprises a first driving motor 110, the first driving motor 110 is fixedly connected to the rack, a first driving gear 120 is arranged on an output shaft of the first driving motor 110, a second driving gear 130 is fixedly connected to the outer wall of the first rotating disc 500, the first driving gear 120 is meshed with the second driving gear 130, the first driving motor 110 rotates to drive the first driving gear 120 to rotate, the first driving gear 120 rotates to drive the second driving gear 130 to rotate, the second driving gear 130 rotates to drive the first rotating disc 500 to rotate, and the first rotating disc 500 rotates and drives the hollowed-out shell 430 to move along the radial direction of the shell 100 through the first shaft body 530.

In use, the hollow shell 430 can be driven to move along the radial direction of the housing 100 by rotating the first rotating disc 500, and the hollow shell 430 is far away from the axis of the housing 100, so that the cold shrink sleeve 200 continues to expand.

The hollow shell 430 is provided with a connecting block 540, the connecting block 540 is provided with a first end 550 and a second end 560, the first end 550 is vertically fixedly connected with the second end 560, one end of the first end 550 is fixedly connected with the upper end of the hollow shell 430, the other end of the first end 550 is vertically fixedly connected with one end of the second end 560, and the first shaft 530 is vertically fixedly connected with the other end of the second end 560; the distance between the second end 560 and the sidewall of the hollow housing 430 is a first distance, and the first distance is the thickness of the inner wall of the mating groove 440.

In detail, the gap width between the second end 560 and the sidewall of the hollow housing 430 is set to be the first distance, so as to avoid interference between the connection block 540 and the housing wall of the mating slot 440.

The upper and lower ends of the first tube 400 are openings; the lower end of the first pipe body 400 is provided with a gas source, and the gas source can supply gas into the first pipe body 400; the upper end of the first pipe body 400 is provided with an exhaust valve 600, and the exhaust valve 600 can release the gas in the first pipe body 400.

Specifically, the air source is a device such as a plunger pump or an air pump which can extract air; the exhaust valve 600 can be closed or conducted, when the exhaust valve 600 is closed, the gas in the first pipe body 400 cannot be exhausted through the exhaust valve 600, and the gas source can exhaust the gas into the first pipe body 400 to expand the rubber sleeve 420, and when the exhaust valve 600 is conducted, the gas in the first pipe body 400 can be exhausted through the exhaust valve 600 to shrink the rubber sleeve 420.

The discharge valve 600 includes a tapered block 610, a connection rod 620, a second elastic member 630, and a pressing handle 640; the upper end opening of the first pipe body 400 is provided with a matching sleeve 480, the upper end of the matching sleeve 480 is provided with an opening, the lower end cylinder wall of the matching sleeve 480 is provided with a conical hole, and the diameter of the upper end of the conical hole is smaller than that of the lower end of the conical hole; the conical block 610 is arranged in the conical hole, and the conical block 610 is in sealing fit with the conical hole, so that the gas in the first pipe body 400 can be blocked; the pressing handle 640 is arranged above the conical block 610, the pressing handle 640 is connected with the conical block 610 through the connecting rod 620, the second elastic piece 630 is sleeved on the connecting rod 620, the second elastic piece 630 is in a compressed state, two ends of the second elastic piece 630 are respectively abutted against the lower end of the pressing handle 640 and the bottom wall of the matching sleeve 480, and the second elastic piece 630 applies acting force to the conical block 610 through the pressing handle 640 and the connecting rod 620, so that the conical block 610 is always attached to the inner wall of the conical hole.

In use, the second elastic member 630 makes the outer wall of the tapered block 610 always fit with the inner wall of the tapered hole, so that the exhaust valve 600 is closed to prevent air loss in the first pipe 400; when the first pipe body 400 needs to release gas, the pressing handle 640 is pressed down to move the pressing handle 640 downward to open the exhaust valve 600, the pressing handle 640 moves downward to drive the connecting rod 620 to move downward, the connecting rod 620 moves downward to drive the tapered block 610 to move downward, the outer wall of the tapered block 610 is separated from contact with the inner wall of the tapered hole, the inner space of the first pipe body 400 is communicated with the external space through the tapered hole, and then the gas in the first pipe body 400 is exhausted from the tapered hole of the matching sleeve 480, and the rubber sleeve 420 is contracted.

The frame includes a moving frame 700; the first pipe body 400 is mounted on the moving frame 700; the moving frame 700 includes a moving block 710 and a sliding housing 720; a sliding groove 730 is formed in the bottom of the housing 100, and the sliding groove 730 is arranged along the tangential direction of the housing 100; the sliding housing 720 is slidably engaged with the sliding groove 730, so that the sliding housing 720 can move along the tangential direction of the housing 100; the moving block 710 is slidably installed in the sliding housing 720 in the radial direction of the housing 100; meanwhile, the moving block 710 is fixedly coupled to the outer wall of the first tube 400, so that the first tube 400 can move in the radial direction of the housing 100 and the tangential direction of the housing 100. In some embodiments, four moving frames 700 are provided, and four moving frames 700 are provided two by two; the slide groove 730 is provided corresponding to the moving frame 700.

Initially, the sliding housing 720 is located in the middle of the sliding chute 730, the extending direction of the moving block 710 can pass through the axis of the casing 100, the first tube 400 is coaxial with the casing 100, and the distances between the parts of the shrink sleeve 200 and the hollowed-out housing 430 are equal; before the rubber sleeve 420 is inflated, a gap exists between the cold shrink sleeve 200 and the hollowed out housing 430. While the rubber sleeve 420 is inflated, the first rotating disc 500 is rotated, and the first rotating disc 500 is rotated to drive all the hollow shells 430 to move, so that the hollow shells 430 are far away from the axis of the shell 100. The expansion movement of the shrink sleeve 200 is performed simultaneously with the movement of the hollow shell 430 away from the axis of the housing 100, but the expansion speed of the shrink sleeve 200 is greater than the speed of the hollow shell 430 away from the axis of the housing 100.

When the wall thickness of the cold shrink sleeve 200 is uniform, the side walls of all parts of the cold shrink sleeve 200 can simultaneously contact the hollowed-out shell 430 during the expansion process of the cold shrink sleeve 200; the expansion motion of the cold shrink sleeve 200 is performed simultaneously with the motion of the hollow shell 430 away from the axis of the casing 100, but the expansion speed of the cold shrink sleeve 200 is greater than the speed of the hollow shell 430 away from the axis of the casing 100, when the cold shrink sleeve 200 contacts and is absorbed by the hollow shell 430, the cold shrink sleeve 200 seals the air suction through hole 450, the air suction part continuously sucks air and discharges air from the air exhaust pipe 460, the hollow shell 430 moves in the matching groove 440 along the direction away from the axis of the casing 100, meanwhile, the first rotating disc 500 rotates to drive the hollow shell 430 to move, the hollow shell 430 moves and drives the cold shrink sleeve 200 to synchronously move, so that the cold shrink sleeve 200 expands to a required diameter, and the required diameter is greater than the diameter of the supporting tube 300.

When the shrink sleeve 200 with uneven wall thickness is encountered, the rubber sleeve 420 expands to drive the shrink sleeve 200 to expand, so that the expansion speed of the shrink sleeve 200 with smaller wall thickness is higher than that of the place with larger wall thickness, the side wall of the place with smaller wall thickness of the shrink sleeve 200 is named as the first thin wall for facilitating understanding, and the side wall of the place with larger wall thickness of the shrink sleeve 200 is named as the first thick wall, and it can be understood that the larger wall thickness or the smaller wall thickness of the shrink sleeve 200 is only relative to the standard wall thickness of the shrink sleeve 200. When the wall thickness of the cold shrink sleeve 200 is uneven, the expansion speed of the first thin wall is larger than that of the second thick wall, the first thin wall can be contacted with the corresponding hollowed-out shell 430 before the first thick wall, the hollowed-out shell 430 adsorbs the first thin wall, and the expansion speed of the first thin wall is restrained, so that the cold shrink sleeve 200 is more evenly expanded; after the first thin wall contacts the hollow shell 430 before the first thick wall, the speed of the hollow shell 430 corresponding to the first thin wall, which is far away from the axis of the shell 100, is greater than that of other hollow shells 430, and then the hollow shell 430 corresponding to the first thin wall drives the cold shrink sleeve 200 to deviate relative to the axis of the shell 100, the cold shrink sleeve 200 deviates to drive the moving block 710 to move, the moving block 710 is arranged to avoid deformation of the cold shrink sleeve 200 caused by excessive pulling of the hollow shell 430, and the wall thickness uniformity of the cold shrink sleeve 200 can be synchronously contacted with the hollow shell 430 through the moving frame 700, so that the uniform expansion of the cold shrink sleeve 200 is promoted, and the processing quality of the cold shrink sleeve 200 is improved.

The cable sleeve forming and processing device further comprises a charging assembly, wherein the charging assembly comprises a telescopic rod 800 and a loading and unloading claw 810; the upper end of telescopic link 800 is fixedly connected in the frame, and loading and unloading claw 810 is installed in the lower extreme of telescopic link 800, and telescopic link 800 can stretch out and draw back and drive loading and unloading claw 810 and reciprocate, and loading and unloading claw 810 can load and unload the material, and telescopic link 800 stretches out and draws back and drive the material and reciprocate, and telescopic link 800 sets up in first body 400 top position, and telescopic link 800 extends and makes the material drop in cold shrink sleeve 200.

Specifically, the telescopic rod 800 is connected with a cylinder 820, and the telescopic rod 800 is driven to stretch and retract by the cylinder 820; the support tube 300 is mounted to the loading and unloading claw 810, and after the shrink sleeve 200 is expanded to a desired diameter, the telescopic rod 800 is extended to lower the support tube 300 into the shrink sleeve 200.

For ease of understanding, the following describes in detail the use of the device of the application.

Preparation stage

The shrink sleeve 200 is fitted over the rubber sleeve 420, and the support tube 300 is mounted on the loading and unloading claw 810.

(II) expansion and contraction sleeve 200

The hollowed out case 430 sucks air, inflates the inside of the first tube body 400, and simultaneously rotates the first rotating disk 500 to expand the shrink sleeve 200 to a desired diameter.

Outside air is sucked into the hollow housing 430 through the suction through hole 450 by an air pump or a plunger pump, and then discharged through the exhaust pipe 460. Inflating the first tube 400 to expand the rubber sleeve 420, and expanding the rubber sleeve 420 to drive the cold shrink sleeve 200 to expand; when the wall thickness of the shrink sleeve 200 is uniform, the side walls of all parts of the shrink sleeve 200 can simultaneously contact the hollow shell 430 in the expansion process of the shrink sleeve 200, when the shrink sleeve 200 contacts and is adsorbed by the hollow shell 430, the shrink sleeve 200 seals the air suction through hole 450, so that the air pressure in the hollow shell 430 is reduced, the hollow shell 430 contracts towards the matching groove 440, meanwhile, the first rotating disc 500 rotates to drive the hollow shell 430 to move, the hollow shell 430 moves and drives the shrink sleeve 200 to synchronously move, and the shrink sleeve 200 expands to the required diameter. When the wall thickness of the cold shrink sleeve 200 is uneven, after the first thin wall contacts the hollow shell 430 before the first thick wall, the speed of the hollow shell 430 corresponding to the first thin wall away from the axis of the shell 100 is greater than that of other hollow shells 430, and then the hollow shell 430 corresponding to the first thin wall drives the cold shrink sleeve 200 to deviate relative to the axis of the shell 100, the cold shrink sleeve 200 deviates to drive the moving block 710 to move, the moving block 710 is arranged to prevent the cold shrink sleeve 200 from being excessively pulled by the hollow shell 430 to deform, and the wall thickness of the cold shrink sleeve 200 can be synchronously contacted with the hollow shell 430 through the arranged moving frame 700, so that the cold shrink sleeve 200 is expanded to the required diameter.

(III) sleeving the shrink sleeve 200 onto the support tube 300

The hollow shell 430 keeps inhaling, so that the cold shrink sleeve 200 is adsorbed and fixed on the hollow shell 430; the first tube 400 is deflated to shrink the rubber sleeve 420, and the rubber sleeve 420 is out of contact with the cold shrink sleeve 200. The telescopic rod 800 is extended to enable the support tube 300 to be lowered into the cold shrink sleeve 200, the hollow shell 430 stops sucking air, the hollow shell 430 is separated from contact with the cold shrink sleeve 200, the cold shrink sleeve 200 is contracted, and the cold shrink sleeve 200 is tightly clamped on the support tube 300.

An optical cable sleeve forming process for expanding the cold shrink sleeve 200 and sleeving the expanded cold shrink sleeve 200 on the support tube 300, which is implemented by adopting the optical cable sleeve forming process device according to any one of the above, the optical cable sleeve forming process comprises the following steps:

s010: expanding the cold shrink sleeve 200 from inside to outside by inflating and expanding the inside of the rubber sleeve 420;

s020: if the wall expansion of the cold-shrink sleeve 200 is not uniform, the wall thickness at the point where the cold-shrink sleeve 200 expands too fast is lower than the wall thickness of the surrounding wall; the hollow shell 430 is used for absorbing and fixing the pipe wall of the part of the cold shrink sleeve 200 which expands too fast in advance so as to inhibit the expansion and expansion of the weak part of the pipe wall of the cold shrink sleeve 200;

s030: the diameter of the expanded cold shrink sleeve 200 is larger than that of the supporting tube 300, and the outer wall of the cold shrink sleeve 200 is adsorbed and fixed through the hollowed-out shell 430, so that the shrinkage of the cold shrink sleeve 200 is prevented;

s040: the support tube 300 is placed into the cold shrink sleeve 200. The placement of the support tube 300 into the cold shrink sleeve 200 is accomplished by the loading assembly;

s050: the getter in the hollow housing 430 is stopped to release the fixation of the outer wall of the cold shrink sleeve 200, so that the cold shrink sleeve 200 is contracted, and the cold shrink sleeve 200 is sleeved on the outer wall of the support tube 300.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The optical cable sleeve forming and processing device is characterized by comprising a frame, a shell, a first expansion assembly and a second expansion assembly;

the shell is a cylindrical shell and is vertically arranged on the rack;

the first expansion assembly comprises a first pipe body and a rubber sleeve, the lower end of the first pipe body is mounted on the frame, the first pipe body and the shell are coaxially arranged, the rubber sleeve is sleeved outside the first pipe body, two ends of the rubber sleeve are respectively and fixedly connected with two ends of the first pipe body in a sealing mode, a gas through hole is formed in the pipe wall of the first pipe body, the gas through hole is communicated with the inside of the first pipe body and the inside of the rubber sleeve, and gas is introduced into the first pipe body to enable the rubber sleeve to expand;

the second expansion assembly comprises a hollowed-out shell and a matching groove, the matching groove is fixedly connected to the inner wall of the shell, the hollowed-out shell is arranged between the rubber sleeve and the inner wall of the shell, the outer wall of the hollowed-out shell is in sliding fit with the inner wall of the matching groove, an air suction through hole is formed in one side, close to the rubber sleeve, of the hollowed-out shell, an air suction piece is arranged in the hollowed-out shell, the air suction piece can suck air, and the air suction piece sucks air into the hollowed-out shell through the air suction through hole; the second expansion assembly is disposed in a plurality of groups about an axis of the housing.

2. The device for forming and processing the optical cable sleeve according to claim 1, wherein the hollowed-out shell is mounted in the matching groove in a sliding and sealing manner;

the second expansion assembly further comprises an exhaust pipe, the exhaust pipe is mounted on the outer wall of the shell, and the exhaust pipe is communicated with the matching groove.

3. The device for forming and processing an optical cable sleeve according to claim 2, wherein the second expansion assembly further comprises a first elastic member, the first elastic member is arranged in the matching groove, and two ends of the first elastic member are respectively connected with the bottom of the matching groove and the hollowed-out shell.

4. The optical cable sleeve forming and processing device according to claim 1, further comprising a first rotating disc, wherein the first rotating disc is rotatably installed at the upper end of the shell, wedge-shaped through grooves are formed in the first rotating disc, and the number of the wedge-shaped through grooves corresponds to the number of the hollowed-out shells;

the second expansion assembly further comprises a first shaft body, the first shaft body is vertically fixedly connected to the upper end of the hollowed-out shell, and the first shaft body penetrates through the wedge-shaped through groove;

the side wall of the wedge-shaped through groove, which is in contact with the first shaft body, is a first side wall, the first side wall is obliquely arranged, and the distances between two end points of the first side wall and the axis of the shell are unequal; the first rotating disc rotates and drives the first shaft body to move through the first side wall, and the first shaft body moves to drive the hollowed-out shell to slide in the matching groove along the radial direction of the shell.

5. The optical cable sleeve forming and processing device according to claim 4, wherein a connecting block is arranged on the hollowed-out shell, the connecting block is provided with a first end part and a second end part, the first end part is vertically fixedly connected with the second end part, one end of the first end part is fixedly connected with the upper end of the hollowed-out shell, the other end of the first end part is vertically fixedly connected with one end of the second end part, and the first shaft body is vertically fixedly connected with the other end of the second end part;

the distance between the second end part and the side wall of the hollowed-out shell is a first distance, and the first distance is the thickness of the inner wall of the matching groove.

6. The device for forming and processing the optical cable sleeve according to claim 1, wherein the upper end and the lower end of the first pipe body are openings;

the lower end of the first pipe body is provided with a gas source, and the gas source can supply gas into the first pipe body;

the upper end of the first pipe body is provided with an exhaust valve, and the exhaust valve can release gas in the first pipe body.

7. The apparatus of claim 6, wherein the vent valve comprises a tapered block, a connecting rod, a second elastic member, and a pressing handle;

the upper end opening of the first pipe body is provided with a matching sleeve, the upper end of the matching sleeve is provided with an opening, the wall of the lower end of the matching sleeve is provided with a conical hole, and the diameter of the upper end of the conical hole is smaller than that of the lower end of the conical hole;

the taper block is installed in the taper hole, press the handle setting and be in taper block top, press the handle with the taper block passes through the connecting rod is connected, the second elastic component cover is located the connecting rod, the second elastic component is in compression state, and the second elastic component both ends butt respectively press the handle lower extreme with the telescopic diapire of cooperation, the second elastic component passes through press the handle with the connecting rod is right the taper block exerts effort, makes the taper block all the time with the laminating of the inner wall in taper hole.

8. The fiber optic cable jacket forming apparatus of claim 1, wherein said housing comprises a mobile frame; the first pipe body is arranged on the movable frame;

the movable frame comprises a movable block and a sliding shell;

a sliding groove is formed in the bottom of the shell, and the sliding groove is arranged along the tangential direction of the shell;

the sliding shell is in sliding fit with the sliding groove, so that the sliding shell can move along the tangential direction of the shell;

the moving block is slidably mounted in the sliding housing in a radial direction of the housing;

and the moving block is fixedly connected to the outer wall of the first pipe body, so that the first pipe body can move along the radial direction of the shell and the tangential direction of the shell.

9. The apparatus of claim 1, further comprising a loading assembly comprising a telescoping rod and a loading jaw;

the upper end of the telescopic rod is fixedly connected to the frame, the loading and unloading claw is arranged at the lower end of the telescopic rod, the telescopic rod can stretch out and draw back and drive the loading and unloading claw to move up and down, and the loading and unloading claw can load and unload materials.

10. An optical cable sleeve forming process for expanding a cold shrink sleeve and sleeving the expanded cold shrink sleeve on a support tube, characterized in that the optical cable sleeve forming process is realized by adopting the optical cable sleeve forming device as claimed in any one of claims 1 to 9, and the optical cable sleeve forming process comprises the following steps:

s010: expanding the shrink sleeve from inside to outside by inflating the rubber sleeve;

s020: if the expansion of the tube wall of the cold shrink tube is uneven, the wall thickness of the part of the cold shrink tube, which expands too fast, is lower than the wall thickness of the surrounding tube wall; the hollow shell is used for absorbing and fixing the pipe wall of the part of the cold shrink sleeve, which expands too fast, in advance so as to inhibit the expansion and expansion of the weak part of the pipe wall of the cold shrink sleeve;

s030: the diameter of the expanded cold shrink sleeve is larger than that of the supporting tube, and the outer wall of the cold shrink sleeve is adsorbed and fixed through the hollowed-out shell, so that the cold shrink sleeve is prevented from shrinking;

s040: placing the support tube into the cold shrink sleeve;

s050: and stopping the air suction of the air suction piece in the hollowed-out shell so as to release the fixation of the outer wall of the cold shrink sleeve, so that the cold shrink sleeve is contracted, and the cold shrink sleeve is sleeved on the outer wall of the supporting tube.