CN110767390A - Double-layer belt wrapping machine and working method thereof - Google Patents

Abstract

The invention relates to a double-layer taping machine and a working method thereof, the double-layer taping machine comprises a cabinet body, a traction device and a belt pressing device, wherein the traction device and the belt pressing device are arranged at the top end of the cabinet body, a first lapping unit and a second lapping unit are sequentially arranged in the cabinet body from bottom to top, the traction device comprises a first traction guide wheel, a second traction guide wheel and a traction rotation driving device for driving the first traction guide wheel to rotate, the belt pressing device comprises a belt which can be arranged on the first traction guide wheel in a lifting way, when in use, a core wire and a cladding belt material are coated by the first lapping unit in a single layer to obtain an intermediate wire, the intermediate wire enters the second lapping unit and is coated by the second lapping unit in a two-layer manner to obtain a cable, the cable sequentially enters the first traction guide wheel and the second traction guide wheel and is wound to form a plurality of cable rows and is, the belt pressing device descends to a position where the belt presses the cable against the first traction guide wheel.

Description

Double-layer belt wrapping machine and working method thereof

Technical Field

The invention relates to a device for coating core wires of cables, in particular to a double-layer tape wrapping machine and a working method thereof.

Background

In the production process of the cable, the tape wrapping machine, also called wrapping machine and film wrapping machine, is equipment for wrapping a tape/an insulating film on the cable by rotating a turntable, is mainly used for wrapping insulating core wires of electric wires, force cables, control cables, optical cables and the like, and plays roles of electrically shielding and protecting the cable; the taping machine is divided into a vertical taping machine and a horizontal taping machine according to the arrangement mode of a rotating shaft, two layers of same or different tapes are often required to be coated when a core material is lapped, so the vertical double-layer taping machine is a more ideal choice, and particularly, the patent of the applicant can be seen in the prior patent, the patent publication No. CN207052378U and the patent document named as a double-layer vertical taping machine The rotation central lines of the second belt winding device and the second belt releasing device are provided with penetrating threading holes along the axial direction, so that the core wires are led in by the wire inlet guide wheel and then enter the traction guide wheel along a straight line through the threading holes of the first belt winding device, the first belt releasing device, the second belt winding device and the second belt releasing device; when the double-layer vertical taping machine is used, the traction part has the phenomenon that a cable and a traction wheel are easy to slip, so that the traction is loose.

Disclosure of Invention

The invention aims to provide a double-layer belt wrapping machine which is simple in structure, high in automation degree and capable of avoiding slipping and a working method thereof.

In order to solve the technical problems, the double-layer tape wrapping machine provided by the invention comprises a cabinet body, a traction device and a belt pressing device, wherein the traction device and the belt pressing device are arranged at the top end of the cabinet body, a first wrapping unit and a second wrapping unit are sequentially arranged in the cabinet body from bottom to top, the traction device comprises a first traction guide wheel, a second traction guide wheel and a traction rotation driving device for driving the first traction guide wheel to rotate, the belt pressing device comprises a belt which can be arranged on the first traction guide wheel in a lifting manner, when the double-layer tape wrapping machine is used, a core wire and a wrapping tape are coated by the first wrapping unit in a single layer to obtain an intermediate wire, the intermediate wire enters the second wrapping unit to be coated by the second wrapping unit in a two-layer manner to obtain a cable, the cable sequentially enters the first traction guide wheel and the second traction guide wheel to be wound to form a plurality of cable rows and, the belt pressing device is lowered to a position where the belt presses the cable tightly on the first traction guide wheel, the first traction guide wheel is driven to rotate by the traction rotation driving device, the cable drives the second traction guide wheel to rotate, and the cable wound in the cabinet is led out from the cabinet body.

Furthermore, the outer peripheral surface of the first traction guide wheel is circumferentially provided with an inner concave flat groove for winding cables side by side, the width of the belt is matched with that of the inner concave flat groove, and the outer peripheral surface of the second traction guide wheel is circumferentially provided with a sawtooth groove with a plurality of inner concave grooves.

Further, belt closing device still includes lift drive arrangement and gland, both ends in the gland set up the belt roller, the belt is around connecting on the belt roller, lift drive arrangement with gland transmission fit, so that the belt liftable sets up in the top of interior concave flat groove.

Further, the first wrapping unit and the second wrapping unit comprise coaxial and rotatably arranged tape winding devices and tape releasing devices, each tape winding device comprises a cage-shaped wrapping outer frame body, a main shaft, an outer shaft sleeve, a guide roller frame and a tape containing pipe, the outer shaft sleeves are fixedly connected with the cabinet body, two ends of each main shaft extend out of the outer shaft sleeves, the tail end of the wrapping outer frame body is in transmission fit with the main shaft, the guide roller frame is detachably arranged at the top end of the wrapping outer frame body, the tape containing pipe is detachably arranged at the center of the guide roller frame, each tape releasing device comprises a tension shaft and a tension disc, two ends of each tension shaft extend out of the main shaft, the tension discs are arranged in the wrapping outer frame body, the front end of each tension shaft penetrates through the wrapping outer frame body and is in transmission fit with the tension disc, so that the main shaft can drive the wrapping outer frame body and the tape containing pipe to synchronously rotate, the tension shaft can drive the tension disc rotates, the front end of the wrapping pipe extends out of the wrapping outer frame body, a threading through groove is formed in one side of the wrapping pipe, a steering guide wheel is arranged at the edge of the wrapping outer frame body, a plurality of wrapping guide wheels are arranged on the guide roller frame, a core material penetrates through the tension shaft, the tension disc and the wrapping pipe during wrapping, and a wrapping strip on the tension disc enters the wrapping pipe through the threading through groove after being guided by the steering guide wheel and the wrapping guide wheels and is wrapped on the corresponding core material or the middle wire rod.

Further, the center of the guide roller frame is provided with a through hole, a fixing seat and a locking sleeve are arranged on the through hole, a fixing seat through hole communicated with the through hole is formed in the fixing seat, a locking sleeve through hole in small clearance fit with the tail end of the wrapping belt pipe is formed in the locking sleeve, a line passing notch is formed in one side of the through hole, the fixing seat through hole and one side of the locking sleeve through hole, a locking sleeve cone is arranged at the bottom end of the locking sleeve, a conical opening in small clearance fit with the locking sleeve cone is formed in the top end of the fixing seat through hole, the fixing seat is fixedly arranged on the guide roller frame during assembly, the tail end of the wrapping belt pipe is inserted into the locking sleeve through hole, a plurality of locking bolts in threaded connection with the fixing seat are axially arranged on the locking sleeve, and the locking sleeve are clamped by the fixing seat and the wrapping belt pipe when the.

Further, double-deck taping machine still includes flat head round pin, buffer spring, flat head round pin includes the body of rod, arranges the cuboid pole cap on body of rod top in, arranges the spherical grab handle of body of rod bottom in, the both ends of guide roll frame set up respectively and are suitable for the vertical logical groove that cuboid pole cap passes through, the top in vertical logical groove set up with vertical logical groove looks vertically horizontal locking sinks the groove, set up the logical groove around the package outer frame body that is suitable for the body of rod and cuboid pole cap to pass through on the package outer frame body, the cuboid pole cap and the body of rod of flat head round pin pass around package outer frame body logical groove, buffer spring, vertical logical groove during the assembly for the upside of guide roll frame is arranged in to the cuboid pole cap, buffer spring arranges the guide roll frame in and around between the package outer frame body, spherical grab handle arranges the downside of package outer frame body in, rotates flat head round pin through spherical grab handle and makes the cuboid pole cap rotate to horizontal locking sink the inslot, carries out, Carry on spacingly around the package outer frame body to spherical grab handle for the guide roll frame with around the package outer frame body fixed link to each other, rotate the flat head round pin through spherical grab handle and make cuboid pole cap rotate to vertical logical groove during the dismantlement, can extract the flat head round pin.

Further, the belt winding device also comprises a tension shaft motor and a main shaft motor, wherein the tension shaft motor is in transmission fit with the tail end of the tension shaft through a first belt, so that the tension shaft motor can drive the tension shaft and the tension disc to rotate; the spindle motor is in transmission fit with the tail end of the spindle through a second belt, so that the spindle motor can drive the spindle, the wrapping outer frame body and the wrapping pipe to rotate.

The working method of the double-layer taping machine comprises the following steps:

A. unloading the guide roller frames of the first wrapping unit and the second wrapping unit, placing the whole wrapped strip for wrapping on a tension disc, and placing the standby whole wrapped strip on a strip coil storage rack; a guide roller frame of the first wrapping unit and the second wrapping unit is arranged;

B. a first layer of wrapping: introducing a core material to be wrapped into a tension shaft of the first wrapping unit, enabling the core material to penetrate through the tension shaft and enter a wrapping pipe, guiding a coated strip material on a tension disc through a steering guide wheel and a wrapping guide wheel, enabling the coated strip material to enter the wrapping pipe through a threading groove and wrapping the core material; starting a tension shaft motor and a main shaft motor of the first wrapping unit, enabling the tension shaft motor to drive the tension shaft and the tension disc to rotate, and enabling the main shaft motor to drive the main shaft, the wrapping outer frame body and the wrapping pipe to rotate, so that a wrapping strip wraps the core material to obtain an intermediate wire;

C. the second layer is around the package: leading out a tension shaft led into a second wrapping unit from a wrapping pipe of the first wrapping unit, leading the intermediate wire into the wrapping pipe of the second wrapping unit after penetrating through the tension shaft, leading a wrapping strip on a tension disc of the second wrapping unit into the wrapping pipe and wrapping the intermediate wire through a threading groove after being guided by a steering guide wheel and a wrapping guide wheel, starting a tension shaft motor and a spindle motor of the second wrapping unit, driving the tension shaft motor and the tension disc to rotate, driving the spindle motor, a wrapping outer frame body and the wrapping pipe to rotate, and wrapping the intermediate wire by the wrapping strip to obtain a cable;

D. the cable penetrates out of a wrapping pipe of the second wrapping unit and then enters the wire passing pipe, passes through the wire passing pipe and then enters an inner concave flat groove of the first traction guide wheel, is led out of the inner concave flat groove and then enters a first inner groove of the second traction guide wheel, is led out of the first inner groove and then turns back to enter the inner concave flat groove again, is led out of the inner concave flat groove and then enters a second inner groove of the second traction guide wheel, is led out of the second inner groove and then turns back to enter the inner concave flat groove again, is led out of the inner concave flat groove and then enters a third inner groove of the second traction guide wheel, is led out of the third inner groove and then enters the wire collecting roller, and the cable is arranged side by side on the inner concave flat groove so as to be wound on the first traction guide wheel and the second traction guide wheel for three times;

E. the cylinder is contracted, so that the front end of the gland is pulled down, and the belt enters the inward concave flat groove and is tightly attached to the cable; and starting the traction motor to enable the first traction guide wheel to rotate, so that the cable is pulled.

The invention has the technical effects that: (1) compared with the prior art, the double-layer taping machine has the advantages that the first traction guide wheel in the traction device is designed into the inward concave flat groove, and the second traction guide wheel is designed into the sawtooth groove, so that a cable can be wound for multiple times to increase the friction force; the belt pressing device is arranged, so that the belt and the concave flat groove are mutually extruded when the cable is pulled, and the friction is enhanced; (2) the tension shaft and the main shaft are driven to rotate by different motors respectively to realize differential transmission; (3) the belting pipe is matched with the guide roller frame by adopting the locking sleeve and the locking bolt, the locking sleeve is deformed by utilizing mutual extrusion of the conical parts of the fixed seat and the locking sleeve so as to clamp the belting pipe in small clearance fit, and the clamping of the belting pipe can be realized by adjusting the locking bolt; (4) the guide roller frame and the wrapping outer frame body are locked through the flat-head pin with the spherical grab handle, and the guide roller frame can be replaced conveniently by rotating the flat-head pin during disassembly.

Drawings

The invention is described in further detail below with reference to the drawings of the specification:

FIG. 1 is a schematic view of the internal distribution structure of the double-deck taping machine of the present invention;

FIG. 2 is a schematic view of the construction of the draft gear;

FIG. 3 is a schematic cross-sectional view of the traction device;

FIG. 4 is a schematic view of the structure of the driving device and the tape winding device;

FIG. 5 is a schematic sectional view of the pressing device;

FIG. 6 is a schematic view of the construction of the guide roller frame;

FIG. 7 is a top view of a guide roller housing;

FIG. 8 is a schematic sectional view of the assembled locking sleeve and the fixing seat;

fig. 9 is a schematic structural view of the locking sleeve and the fixing seat.

In the figure: the cabinet body 1, a wire inlet guide wheel 11 and a threading pipe 12;

a first belt winding device 2, a second belt winding device 20, a tension shaft motor 21, a tension shaft motor synchronous pulley 22, a first synchronous belt 23, a tension shaft synchronous pulley 24, a tension shaft 25, a main shaft motor 26, a main shaft motor synchronous pulley 27, a second synchronous belt 28, a main shaft synchronous pulley 29, a first belt releasing device 3, a second belt releasing device 30, a wrapping outer frame body 31, a steering guide pulley 32, a tension disc 33, a main shaft 34, an outer shaft sleeve 35,

the traction device 4, a first traction guide wheel 41, a second traction guide wheel 42, a traction motor 43, a mounting bracket 44, an inner concave flat groove 45, a sawtooth groove 46,

a belt pressing device 5, an air cylinder 51, a gland 52, a belt 53, a first belt roller 54, a second belt roller 55, a gland rear rotating shaft 56, a swing rod 57,

the first wrapping tube 6, the second wrapping tube 60,

a locking sleeve 7, a locking bolt 71, a locking sleeve through hole 72, a locking sleeve cone 73, a locking screw hole 74, a supporting spring 75, a conical opening 76, a fixing seat through hole 77,

the device comprises a first guide roller frame 8, a second guide roller frame 80, a belting guide wheel 81, a fixed seat 82, a flat head pin 83, a buffer spring 84, a spherical grab handle 85, a wire passing notch 86, a through hole 87, a transverse locking sinking groove 88 and a longitudinal through groove 89.

Detailed Description

Embodiment 1 is as shown in fig. 1, the double-deck taping machine of this embodiment, including the cabinet body 1, first wrapping unit, second wrapping unit, draw gear 4 and belt closing device 5, set up the cabinet door on the cabinet body 1.

The first wrapping unit comprises a first wrapping device 2 and a first tape releasing device 3 which are coaxially and rotatably arranged, as shown in fig. 4, the first wrapping device 2 comprises a cage-shaped wrapping outer frame body 31, a main shaft 34, an outer shaft sleeve 35, a first guide roller frame 8 and a first wrapping pipe 6, the first guide roller 8 is detachably arranged at the top end of the wrapping outer frame body 31, the first wrapping pipe 6 is detachably arranged at the center of the first guide roller frame 8, the first tape releasing device 3 comprises a tension shaft 25 and a tension disc 33, two ends of the tension shaft 25 extend out of the main shaft 34, the tension disc 33 is arranged in the wrapping outer frame body 31, the outer shaft sleeve 35 at the outermost side is fixedly connected with the cabinet body 1, two ends of the main shaft 34 extend out of the outer shaft sleeve 35, two ends of the outer shaft sleeve 35 are in supporting fit with the main shaft 34 through a deep groove ball bearing, a main shaft synchronizing wheel 29 is fixedly arranged at the tail end of the main shaft 34, and the tail end of the wrapping outer frame body 31 is in transmission fit with the front, a tension shaft motor 21 and a main shaft motor 26 are arranged in the cabinet body 1, a main shaft motor synchronous wheel 27 is arranged on an output shaft of the main shaft motor 26, and a main shaft synchronous wheel 29 is in transmission fit with the main shaft motor synchronous wheel 27 through a second synchronous belt 28, so that the main shaft motor 26 can drive a main shaft 34 to rotate; the two ends of the tension shaft 25 extend out of the main shaft 35, the two ends of the main shaft 34 are supported and matched with the tension shaft 25 through the deep groove ball bearings, the front end of the tension shaft 25 penetrates through the wrapping outer frame body 31 and is in transmission fit with the tension disc 33, the tail end of the tension shaft 25 is fixedly provided with the tension shaft synchronizing wheel 24, the output shaft of the tension shaft motor 21 is provided with the tension shaft motor synchronizing wheel 22, and the tension shaft motor synchronizing wheel 22 and the tension shaft synchronizing wheel 24 are in transmission fit through the first synchronizing belt 23, so that the tension shaft motor 21 can drive the tension shaft 25 to rotate.

The wire inlet guide wheel 11 is rotatably arranged below the tension shaft 25 and is used for guiding the core material into the tension shaft 25. The front end of first wrapping tape pipe 6 stretches out and sets up around package framework 31, one side of first wrapping tape pipe 6 sets up the threading logical groove that runs through, set up turn to guide pulley 32 around the edge of package framework 31, set up a plurality of band leading wheels 81 on the first guide roll frame 8, the core passes tension axle 25 during the package, tension disc 33 and first wrapping tape pipe 6, the cladding strip on the tension disc 33 is through turning to guide pulley 32, the band leading wheel is led and is got into first wrapping tape pipe 6 and around the package on corresponding core by the logical groove of threading behind 81.

For the convenience of disassembly, the first guide roller frame 8 is connected with the wrapping outer frame body 31 through a flat head pin 83 and a buffer spring 84, specifically, as shown in fig. 6 and 7, the flat head pin 83 comprises a rod body, a cuboid rod cap arranged at the top end of the rod body and a spherical grab handle 85 arranged at the bottom end of the rod body, two ends of the first guide roller frame 8 are respectively provided with a longitudinal through groove 89 suitable for the cuboid rod cap to pass through, the top end of the longitudinal through groove 89 is provided with a transverse locking sinking groove 88 perpendicular to the longitudinal through groove 89, so that the longitudinal through groove 89 and the transverse locking sinking groove 88 are distributed in a cross shape, the wrapping outer frame body 31 is provided with a wrapping outer frame body through groove suitable for the rod body and the cuboid rod cap to pass through, during assembly, the cuboid rod cap and the rod body of the flat head pin 83 pass through the wrapping outer frame body through groove, the buffer spring 84 and the longitudinal through groove 89, so that the cuboid rod cap is arranged at the upper side of the first guide roller frame 6, spherical grab handle 85 is arranged in the downside of wrapping outer frame body 31, rotate flat head round pin 83 through spherical grab handle 85 and make the cuboid pole cap rotate to horizontal locking heavy groove 88 in, it is spacing to cuboid pole cap by horizontal locking heavy groove 88, it is spacing to carry out spherical grab handle 85 around wrapping outer frame body 31, make first guide roller frame 6 with wrap outer frame body 31 fixed continuous, rotate flat head round pin 83 through spherical grab handle 85 during the dismantlement and make the cuboid pole cap rotate to coincide with vertical logical groove 89, flat head round pin 83 can be extracted, in order to lift first guide roller frame 8 off.

For the convenience of assembly, the first strap guiding pipe 6 is connected with the first guiding roller frame 8 through a fixed seat 82 and a locking sleeve 7, specifically as shown in fig. 8 and 9, a through hole 87 is arranged at the center of the first guiding roller frame 8, the fixed seat 82 and the locking sleeve 7 are arranged on the through hole 87, a fixed seat through hole 77 communicated with the through hole 87 is arranged on the fixed seat 82, a locking sleeve through hole 72 in small clearance fit with the tail end of the first strap guiding pipe 6 is arranged on the locking sleeve 7, a wire passing notch 86 is arranged at one side of the through hole 87, the fixed seat through hole and the locking sleeve through hole 77, a locking sleeve cone 73 is arranged at the bottom end of the locking sleeve 7, a tapered opening 76 in small clearance fit with the locking sleeve cone 73 is arranged at the top end of the fixed seat through hole 77, the fixed seat 82 and the locking sleeve 7 are adjusted in position by a locking bolt 71, the fixed seat 82 is arranged on the first guiding roller frame 8 through a bolt or welding during assembly, the locking sleeve 7 is axially provided with a plurality of locking bolts 71 in threaded connection with the fixed seat 82, the locking sleeve 7 is clamped by the fixed seat 82 when the locking sleeve 7 is driven to be pressed downwards by the locking bolts 71, so that the locking sleeve through hole 72 is radially contracted, and the tail end of the first wrapping pipe 6 is clamped by the locking sleeve through hole 72, so that the first wrapping pipe 6 is detachably arranged on the first guide roller frame 8.

For easy to assemble, lock sleeve 7 sets up 2 locking screw holes 74, the outside of fixing base through-hole sets up 2 screw rod through-holes that correspond along the axial, the through-hole outside of first guide roll frame 6 sets up the bolt screw with locking bolt 71 looks adaptation equally, and set up supporting spring 75 in the screw rod through-hole, supporting spring 75's top and 7 butts of lock sleeve, supporting spring 75's bottom and 8 butts of first guide roll frame, carry out axial support, convenient to detach to lock sleeve 7.

The second is the same around the structure of package unit and first package unit, including second around belting 20, the second is put belting 30, the second is around belting 20 including the second of cage type around package outer frame body, the second main shaft, the outer axle sleeve of second, second guide roll frame 80, second belting pipe 60, second tension shaft motor and second spindle motor, the second is put belting 30 and is included second tension shaft, second tension disc, its connection structure is the same with first package unit, no longer detail here.

As shown in fig. 2 and 3, the traction device 4 includes a first traction guide wheel 41, a second traction guide wheel 42 and a traction rotation driving device for driving the first traction guide wheel 41 to rotate, the first traction guide wheel 41 and the second traction guide wheel 42 are rotatably arranged on a mounting bracket 44, an inner flat groove 45 for winding cables side by side is arranged on the outer circumferential surface of the first traction guide wheel 41 along the circumferential direction, and a sawtooth groove 46 with 3 inner grooves is arranged on the outer circumferential surface of the second traction guide wheel 42 along the circumferential direction; the traction rotation driving device is a traction motor 43, the traction motor 43 is fixedly arranged on the mounting bracket 44, the first traction guide wheel 41 is used as a driving traction guide wheel, the second traction guide wheel 42 is used as a driven traction guide wheel, and an output shaft of the traction motor 43 is in transmission fit with the first traction guide wheel 41, so that the traction motor 43 can drive the first traction guide wheel 41 to rotate, and the cable obtained by the second wrapping unit body is pulled.

The bottom end of the threading pipe 12 is arranged above the second wrapping pipe 60, and the top end of the threading pipe 12 is arranged on the wire inlet side of the first traction guide wheel 41, so that the cable of the second wrapping unit enters the first traction guide wheel 41 through the threading pipe 12.

As shown in fig. 5, the belt pressing device 5 includes a belt 53, a lifting driving device and a pressing cover 52, the pressing cover 52 is disposed above the first traction guide wheel 41, a first belt roller 54 and a second belt roller 55 are respectively disposed at two ends in the pressing cover 52, the belt 53 is wound on the first belt roller 54 and the second belt roller 55, the width of the belt 53 is adapted to the width of the inner concave flat groove 45, the lifting driving device is an air cylinder 51, the bottom end of the air cylinder 51 is hinged to the bottom of the mounting bracket 44, the tail end of the pressing cover 52 is hinged to the top of the mounting bracket 44 through a pressing cover rear rotating shaft 56, and the front end of the pressing cover 52 is hinged to the top end of the air cylinder 51 through a swing rod 57, so that the pressing cover 52 can be driven to lift when the air cylinder 51 stretches and retracts, and the belt 53 is driven to approach to or.

Preferably, the first wrapping unit and the second wrapping unit further comprise 2 tape roll storage racks (not shown in the figure) for storing standby wrapping tapes, the 2 tape roll storage racks are fixedly connected with the cabinet body 1 and are arranged above the corresponding first wrapping pipe 6 and the second wrapping pipe 60 respectively, so that intermediate wires or cables after wrapping are led out from the center of the tape roll storage racks, the wrapping tapes stored on the tension disc are convenient to replace after being used up, and the downtime is reduced.

Example 2

The working method of the double-layer taping machine comprises the following steps:

A. unloading the first guide roller frame 8 of the first wrapping unit and the second guide roller frame 80 of the second wrapping unit, placing the whole wrapped strip for wrapping on the tension discs 33 of the first wrapping unit and the second wrapping unit, and placing the standby whole wrapped strip on the strip coil storage rack; a first guide roller frame 8 of a first wrapping unit and a second guide roller frame 80 of a second wrapping unit are arranged;

B. a first layer of wrapping: the core material to be wrapped is led into a tension shaft 25 of the first wrapping unit through an incoming line guide wheel 11 of the first wrapping unit, the core material passes through the tension shaft 25 and then enters a first wrapping tube 6, and a wrapping strip material on a tension disc 33 is guided by a steering guide wheel 32 and a wrapping strip guide wheel 81 and then enters the first wrapping tube 6 through a threading groove and is wrapped on the core material; starting a tension shaft motor 21 and a main shaft motor 26 of the first wrapping unit, enabling the tension shaft motor 21 to drive a tension shaft 25 and a first wrapping pipe 6 to rotate, enabling the main shaft motor 26 to drive a main shaft 34, a wrapping outer frame body 31 and a tension disc 33 to rotate, and achieving wrapping of a wrapping strip material on a core material to obtain an intermediate wire material;

C. the second layer is around the package: leading out the middle wire from the first wrapping unit, leading the middle wire into a second tension shaft of a second wrapping unit, leading the middle wire into a second wrapping tube 60 after passing through the second tension shaft, leading a coated strip on a second tension disc into the second wrapping tube 60 through a threading groove after being guided by a steering guide wheel and a strip guide wheel, wrapping the coated strip on the middle wire, starting a tension shaft motor and a spindle motor of the second wrapping unit, driving the second tension shaft and the second tension disc to rotate by the tension shaft motor, driving a second spindle, a second wrapping outer frame body and the second wrapping tube 60 to rotate by the spindle motor, and wrapping the middle wire by the coated strip to obtain a cable;

D. the cables penetrate through the second wrapping unit and then enter the wire passing pipe 12, pass through the wire passing pipe 12 and then enter the inner concave flat groove 45 of the first traction guide wheel 41, are led out from the inner concave flat groove 45 and then enter the first inner concave groove of the second traction guide wheel 42, are led out from the first inner concave groove and then turn back and then enter the inner concave flat groove 45 again, are led out from the inner concave flat groove 45 and then enter the second inner concave groove of the second traction guide wheel 42, are led out from the second inner concave groove and then turn back and then enter the inner concave groove 45 again, are led out from the inner concave flat groove 45 and then enter the third inner concave groove of the second traction guide wheel 42, are led out from the third inner concave groove and then enter the wire collecting roller, and are arranged side by side on the inner concave grooves 45, so that the cables are wound on the first traction guide wheel 41 and the second traction guide wheel 42;

E. the cylinder 51 is contracted, so that the front end of the gland 52 is pulled down, and the belt 53 enters the inner concave flat groove 45 and is tightly attached to the cable; the traction motor 43 is started to rotate the first traction guide wheel 41, so that the cable is dragged.

It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.

Claims (8)

1. A double-layer taping machine comprises a cabinet body, a traction device and a belt pressing device which are arranged at the top end of the cabinet body, a first wrapping unit and a second wrapping unit which are arranged in the cabinet body from bottom to top in sequence, it is characterized in that the traction device comprises a first traction guide wheel, a second traction guide wheel and a traction rotation driving device for driving the first traction guide wheel to rotate, the belt pressing device comprises a belt which can be arranged on a first traction guide wheel in a lifting way, when in use, a core wire and a coating belt material are coated by a first wrapping unit in a single-layer mode to obtain an intermediate wire material, the intermediate wire material enters a second wrapping unit, the intermediate wire material and the coating belt material are coated by a second wrapping unit in a two-layer mode to obtain a cable, the cable sequentially enters a first traction guide wheel and a second traction guide wheel and is wound, so as to form a plurality of rows of cables to be wound and led out by the second traction guide wheel, and the belt pressing device is descended to press the cables on the first traction guide wheel by the belt.

2. The double-layer belt wrapping machine according to claim 1, wherein an inner concave flat groove for winding cables side by side is formed in the circumferential surface of the first traction guide wheel, the width of the belt is matched with the width of the inner concave flat groove, and a sawtooth groove with a plurality of inner concave grooves is formed in the circumferential surface of the second traction guide wheel.

3. The double-layer belt wrapping machine according to claim 2, wherein the belt pressing device further comprises a lifting driving device and a pressing cover, belt rollers are arranged at two ends in the pressing cover, the belt is wound on the belt rollers, and the lifting driving device is in transmission fit with the pressing cover so that the belt can be arranged above the inner concave flat groove in a lifting mode.

4. The double-layer tape wrapping machine according to claim 3, wherein the first and second wrapping units comprise coaxial and rotatably arranged tape winding devices and tape unwinding devices, each tape winding device comprises a cage-shaped wrapping outer frame body, a main shaft, an outer shaft sleeve, a guide roller frame and a tape winding pipe, the outer shaft sleeve is fixedly connected with the cabinet body, two ends of the main shaft extend out of the outer shaft sleeve, the tail end of the wrapping outer frame body is in transmission fit with the main shaft, the guide roller frame is detachably arranged at the top end of the wrapping outer frame body, the tape winding pipe is detachably arranged at the center of the guide roller frame, each tape unwinding device comprises a tension shaft and a tension disc, two ends of the tension shaft extend out of the main shaft, the tension disc is arranged in the wrapping outer frame body, and the front end of the tension shaft penetrates through the wrapping outer frame body and is in transmission fit with the tension disc, so that the main shaft can drive rotate around package outer frame body and band pipe synchronous, the tension shaft can drive the tension disc rotates, the front end of band pipe stretches out set up around the package outer frame body, one side of band pipe sets up the threading logical groove, set up around the edge of package outer frame body and turn to the guide pulley, set up a plurality of band leading wheels on the guide roll frame, the core passes tension shaft, tension disc and band pipe when wrapping, and the cladding strip on the tension disc is led the back through groove by turning to guide pulley, band leading wheel and gets into the band pipe and winds the package on corresponding core or middle wire rod by the threading.

5. The double-layer taping machine of claim 4, wherein the guide roller frame is provided with a through hole at the center, a fixing seat and a locking sleeve are arranged on the through hole, a fixing seat through hole communicated with the through hole is arranged on the fixing seat, a locking sleeve through hole in small clearance fit with the tail end of the taping tube is arranged on the locking sleeve, a threading gap is arranged at one side of the through hole, the fixing seat through hole and the locking sleeve through hole, a locking sleeve cone is arranged at the bottom end of the locking sleeve, a tapered opening in small clearance fit with the locking sleeve cone is arranged at the top end of the fixing seat through hole, the fixing seat is fixedly arranged on the guide roller frame during assembly, the tail end of the taping tube is inserted into the locking sleeve through hole, a plurality of locking bolts in threaded connection with the fixing seat are axially arranged on the locking sleeve, and the locking sleeve clamp the taping tube by, so that the wrapping belt pipe can be detachably arranged on the guide roller frame.

6. The double-layer taping machine of claim 5, further comprising a flat head pin and a buffer spring, wherein the flat head pin comprises a rod body, a cuboid rod cap arranged at the top end of the rod body, and a spherical grab handle arranged at the bottom end of the rod body, the two ends of the guide roller frame are respectively provided with a longitudinal through groove suitable for the cuboid rod cap to pass through, the top end of the longitudinal through groove is provided with a longitudinal through groove vertical to the transverse locking sink groove, the wrapping outer frame body is provided with a through groove suitable for the rod body and the cuboid rod cap to pass through, and the cuboid rod cap and the rod body of the flat head pin pass through the through groove, the buffer spring and the longitudinal through groove of the wrapping outer frame body during assembly, so that the cuboid rod cap is arranged on the upside of the guide roller frame, the buffer spring is arranged between the guide roller frame and the wrapping outer frame body, and the spherical grab handle.

7. The double-layer belt wrapping machine according to claim 6, wherein the belt winding device further comprises a tension shaft motor and a main shaft motor, the tension shaft motor is in transmission fit with the tail end of the tension shaft through a first belt, so that the tension shaft motor can drive the tension shaft and the tension disc to rotate; the spindle motor is in transmission fit with the tail end of the spindle through a second belt, so that the spindle motor can drive the spindle, the wrapping outer frame body and the wrapping pipe to rotate.

8. The operating method of the double-layer belt wrapping machine according to claim 7, characterized by comprising the following steps:

A. unloading the guide roller frames of the first wrapping unit and the second wrapping unit, placing the whole wrapped strip for wrapping on a tension disc, and placing the standby whole wrapped strip on a strip coil storage rack; a guide roller frame of the first wrapping unit and the second wrapping unit is arranged;

B. a first layer of wrapping: introducing a core material to be wrapped into a tension shaft of the first wrapping unit, enabling the core material to penetrate through the tension shaft and enter a wrapping pipe, guiding a coated strip material on a tension disc through a steering guide wheel and a wrapping guide wheel, enabling the coated strip material to enter the wrapping pipe through a threading groove and wrapping the core material; starting a tension shaft motor and a main shaft motor of the first wrapping unit, enabling the tension shaft motor to drive the tension shaft and the tension disc to rotate, and enabling the main shaft motor to drive the main shaft, the wrapping outer frame body and the wrapping pipe to rotate, so that a wrapping strip wraps the core material to obtain an intermediate wire;

C. the second layer is around the package: leading out a tension shaft led into a second wrapping unit from a wrapping pipe of the first wrapping unit, leading the intermediate wire into the wrapping pipe of the second wrapping unit after penetrating through the tension shaft, leading a wrapping strip on a tension disc of the second wrapping unit into the wrapping pipe and wrapping the intermediate wire through a threading groove after being guided by a steering guide wheel and a wrapping guide wheel, starting a tension shaft motor and a spindle motor of the second wrapping unit, driving the tension shaft motor and the tension disc to rotate, driving the spindle motor, a wrapping outer frame body and the wrapping pipe to rotate, and wrapping the intermediate wire by the wrapping strip to obtain a cable;

D. the cable penetrates out of a wrapping pipe of the second wrapping unit and then enters the wire passing pipe, passes through the wire passing pipe and then enters an inner concave flat groove of the first traction guide wheel, is led out of the inner concave flat groove and then enters a first inner groove of the second traction guide wheel, is led out of the first inner groove and then turns back to enter the inner concave flat groove again, is led out of the inner concave flat groove and then enters a second inner groove of the second traction guide wheel, is led out of the second inner groove and then turns back to enter the inner concave flat groove again, is led out of the inner concave flat groove and then enters a third inner groove of the second traction guide wheel, is led out of the third inner groove and then enters the wire collecting roller, and the cable is arranged side by side on the inner concave flat groove so as to be wound on the first traction guide wheel and the second traction guide wheel for three times;

E. the cylinder is contracted, so that the front end of the gland is pulled down, and the belt enters the inward concave flat groove and is tightly attached to the cable; and starting the traction motor to enable the first traction guide wheel to rotate, so that the cable is pulled.

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