SU1345279A1 - Device for stripping insulation off band cable ends - Google Patents

Abstract

The invention relates to process equipment for the preparation of cable cable ends with PVC insulation for installation and can be used in the radio, instrument-making and electrical engineering industries. The purpose of the invention is to simplify the design and increase productivity. Rods 11 are mounted in the holes of the rotary bodies 9, on which frames 12, spring-loaded to the knife 10, are mounted. Clamping jaws 13 / are fixed on frames 12. Frames 12 are installed with the possibility of rotation in a plane perpendicular to the cutting edges of the knives. The working surfaces of the jaws 13 are provided with notches. The rods 11 are mounted to move towards each other in a plane perpendicular to the cable feed direction. The drive for moving the rods 11 is made in the form of rollers 14 interacting with copiers 15 located on the movable plate 5. The twist springs 16 of the jaws 13 are pressed against the knives 10. When the plate 5 of the body 9 is lifted, it converges. The lips 13 compress the ends of the cores, and the blades of the knives 10 cut into the insulation. Then, with the further rise of the plate 5 copier 15, I will act on the rollers 14, move the rods 11 with the rollers 12 and the jaws 13 towards each other. In this case, each core is rotated around its axis between the blades of the blades and the insulation clamped by the jaws 13. Occurs (L - / 1 (re.Z

Description

1345279

transverse incision of the insulation. The sponges 13, of the cable, remove the insulation by moving tangentially counter with simultaneous twisting of the cores. and jointly longitudinally relative to 6 sludge.

one

The invention relates to process equipment for the preparation of cable cable ends with PVC insulation for installation and can be used in the radio, instrument engineering and electrical industries.

The aim of the invention is to simplify the design of the device and increase productivity.

FIG. 1 presents the proposed device, a general view; in fig. 2 - elements of the device, in the initial position; in fig. 3 shows section A-A in FIG. one; in fig. 4 - section bb in fig, 3; in fig. 5 shows the position of the elements, the device after stripping the insulation from the ends and twisting the cores; in fig. 6 is a view B in FIG. 4.

The device for removing insulation from a ribbon cable contains a base 1 with racks 2 mounted on it, guide columns 3 and drive 4 connected to a plate in a vertical direction 5 mounted on columns 3, B of the upper part of each rack 2 on the axles 6 are hingedly mounted clamps 7 for gripping the processed cable, on which longitudinal grooves are made for fixing the cable 1.

In the middle part of the pillar 2, on the horizontal axis 8, two bodies 9 are mounted with the possibility of counter-rotation, on which the knives 10 are fixed for a transverse notch of the insulation,

In the openings of the bodies 9, rods 11 are mounted, on which frames 12, spring-loaded to 10, are mounted, which are means for fastening the clamping jaws 13, with the possibility of rotation in a plane perpendicular to the cutting edges of the blades. The working surfaces of the jaws 13 are provided with notches. The rods 11 are installed with the possibility of reciprocating1 about ne

5 d

five

five

moving towards each other in a flat plane perpendicular to the cable feed direction by means of drives made in the form of rollers 14 mounted on the ends of rods 11, interacting with copiers 15 spreading on a movable plate 5. Twisting springs 16 are fixed on the other end of the gatang 11, whose help

; sponge 1 3, preloaded to the knives 10.

On the movable plate 5, the pushers 17 are mounted, the rollers 18 of which contact with the planes 19 of the housing 9.

The device works as follows.

The processed ribbon cable is gripped by a gripper 20 from a coil (not shown) through horizontally positioned clamps 7. After a longitudinal section of the insulation of the cores, carried out during the process of pulling the cable to a predetermined length, and dimensional cutting of the cable liner 7, by simultaneously turning on the axis x 6 of the clamps 7 90 down, the ends of the ribbon cable, clamped at the border of the longitudinal section in the clamps 7, are fed to the zone of transverse incision of the insulation and twisting of the cores. By this time, the plate 5 is in the lowest position, the housing 9

. divorced to the sides and planes 19

relate to rollers 18 pushers 17.

I

When the actuator 4 is turned on, the plate 5 rises along the guide columns 3 and the rollers 18 of the pushers 17, rolling over the planes 19, bring them to a vertical position. Turning on axis 8, body 9 converges. The lips 13 compress the ends of the cores, and the blades of the knives 5 cut into the insulation. With the further rise of the plate 5 copier 15, I will act on the rollers 14, move the rods 11c frames 12 and with the jaws 13 towards each other, rotated each core around

its axis between the blades of the knives 10 for the sponge-clamped 13. When this happens, a transverse incision of the insulation occurs. The lifting of the plate 5 continues even after being touched by the rollers 18 ra-, mock 12, as a result of which the frames 12, continuing the oncoming movement, will turn on the rods 1 1. The sponges 13, by clamping the ends of the notched insulation, in the process of counter-tangential and joint longitudinal with respect to the cable moving downward, remove the insulation with simultaneous twisting of the cores.

When the plate 5 is lowered, all elements of the device return to the initial position by springs 16, 21 and 22.

Making a transverse incision. Isolation by the method of twisting the core cable between fixed knives during processing allows the use of chicks with straight blades without figured undercuts and profile sharpening.

In addition, when changing the cable cross section and the pitch between the conductors, it is enough to push the knives apart or pull them down by the required amount (in the prototype device, the knives need to be replaced with others with the appropriate profile).

The proposed device eliminates manual labor in preparing the ribbon cable for installation, as it allows simultaneous removal of the insulation from the cable ends with mechanical twisting of the bare wires, ensuring their readiness for tinning or crimping in the connectors.

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This improves the quality of the preparation of the cable ends and its installation, since the possibility of closing individual conductors with adjacent conductors is excluded. Mechanical twisting of the strands during the cutting and stripping process creates prerequisites for further automation of the process.

0 preparation of the ends of ribbon cables for installation, as it allows, by finalizing the design of the device, to equip it with fluxing and tinning baths.

15 Due to the simultaneous twisting of all the conductors of the wire, labor productivity in preparing the ends of the ribbon cables for installation is increased.

Claims (1)

Invention Formula The device dp remove the insulation from the ends of the ribbon cable, containing a housing with drives in which knives are installed, and means for fastening the clamping jaws, characterized in that, in order to simplify the construction and increase the productivity, each means for fastening the clamping jaws is made in the form of a frame that is spring-loaded to the knife the cutting edge of the knife mounted on the rod located in the housing, wherein the rods are equipped with reciprocating drives towards each other in a plane perpendicular to the cable feed direction . / I 12. /eight fi /////////// 7 //////// (////////////////// / Fig Fi & 5 Vid Editor A. Lezhnin Compiled by V. Mayorov Tehred A. Kravchuk Proofreader M. Maksimishinets Order 4928/52 Circulation 617 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, st. Project, 4 6