CN212516616U

CN212516616U - Flexible cable for numerical control machine tool

Info

Publication number: CN212516616U
Application number: CN202020973167.7U
Authority: CN
Inventors: 翁中宇; 王仕忠; 乔宝星; 鲁永伟; 潘友姐; 姜志强
Original assignee: Jiangsu Henghui Electrical Co ltd
Current assignee: Jiangsu Henghui Electrical Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-09
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a cable technical field's flexible cable for digit control machine tool, including interior sheath, interior sheath inner chamber evenly is provided with three group's conductors, the insulating layer has been cup jointed to the conductor outer wall, insulating layer outer wall has cup jointed the internal shield layer, be provided with the filling layer between internal shield layer outer wall and the interior sheath inner wall, interior sheath outer wall has cup jointed fire-retardant layer, fire-retardant layer outer wall is provided with the outer shielding layer, the outer shielding layer outer wall has cup jointed the outer jacket, through interior sheath and outer jacket in the device, increases the intensity and the flexibility of cable to the supporting shoe separates vacuole formation with fire-retardant layer and outer shielding layer, makes the anti crooked ability of cable increase, and through the cavity buffering, increases the compressive capacity of cable, reduces the probability that the cable takes place to damage, guarantees the life of cable.

Description

Flexible cable for numerical control machine tool

Technical Field

The utility model relates to the technical field of cables, specifically be flexible cable for digit control machine tool.

Background

The digit control machine tool is the automatic machine tool that is equipped with program control system, and the cable is the interconnecting link that indispensable in the digit control machine tool, and when current cable used on the digit control machine tool, the cable often can receive the pulling, makes the cable take place the bending, if the flexibility of cable is relatively poor, then leads to the cable to take place to damage easily, for this reason, we propose the flexible cable for the digit control machine tool.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible cable for digit control machine tool to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: flexible cable for digit control machine tool, including interior sheath, interior sheath inner chamber evenly is provided with three group's conductors, the conductor outer wall has cup jointed the insulating layer, the insulating layer outer wall has cup jointed the internal shield layer, be provided with the filling layer between internal shield layer outer wall and the interior sheath inner wall, interior sheath outer wall has cup jointed fire-retardant layer, fire-retardant layer outer wall is provided with the outer shielding layer, the outer shielding layer outer wall has cup jointed the outer jacket.

Preferably, the outer wall of the flame-retardant layer is uniformly provided with supporting blocks, and the outer wall of one side of the supporting blocks, which is far away from the flame-retardant layer, is fixedly connected with the inner wall of the outer shielding layer.

Preferably, the inner cavity of the supporting block is provided with a buffer groove, and the inner wall of the buffer groove is provided with two groups of openings.

Preferably, the outer wall of the flame-retardant layer is uniformly provided with inserting blocks, the outer wall of one side of the supporting block, which is close to the flame-retardant layer, is provided with inserting slots matched with the inserting blocks, and the inserting blocks are inserted into the inner cavities of the inserting slots.

Preferably, the outer protective layer is a soft chloroprene rubber mixed vulcanized rubber outer protective layer, and the inner protective layer is an ethylene propylene rubber elastomer inner protective layer free of vulcanization.

Preferably, the number of the supporting blocks is three, and the three groups of supporting blocks are arranged in an annular array.

Compared with the prior art, the beneficial effects of the utility model are that: through interior sheath and outer jacket in the device, increase the intensity and the flexibility of cable to the supporting shoe separates fire-retardant layer and outer shielding layer and forms the cavity, makes the anti crooked ability of cable increase, and through the cavity buffering, increases the compressive capacity of cable, reduces the probability that the cable takes place to damage, guarantees the life of cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. an inner protective layer; 2. a conductor; 3. an insulating layer; 4. an inner shield layer; 5. a filling layer; 6. a flame retardant layer; 7. a support block; 8. an outer shield layer; 9. an outer jacket; 10. a buffer tank; 11. an opening; 12. inserting a block; 13. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

the utility model provides a technical scheme: please refer to fig. 1, the flexible cable for the numerical control machine tool comprises an inner protection layer 1;

referring to fig. 1, three groups of conductors 2 are uniformly arranged in an inner cavity of an inner protection layer 1, an insulating layer 3 is sleeved on the outer wall of each conductor 2, the insulating layer 3 is a high-temperature vulcanization flame-retardant type silicon rubber insulating layer and separates the conductor 2 from the outside, an inner shielding layer 4 is sleeved on the outer wall of each insulating layer 3, and the inner shielding layer 4 is formed by weaving copper wires with eighty percent of weaving density, so that an interference shielding effect is achieved, the cable is ensured not to be interfered or interfered by the outside, the conductors 2 are also ensured not to be interfered with each other, and the normal work of the cable is ensured;

referring to fig. 1, a filling layer 5 is arranged between the outer wall of an inner shielding layer 4 and the inner wall of an inner sheath layer 1, the filling layer 5 is a flame-retardant filling layer, the flame-retardant filling layer is made of polyolefin filling strips, a flame-retardant layer 6 is sleeved on the outer wall of the inner sheath layer 1, and the flame-retardant layer 6 is formed by wrapping mica tapes, so that the flame-retardant performance of the cable is improved;

referring to fig. 1, an outer shielding layer 8 is arranged on the outer wall of the flame retardant layer 6, and the outer shielding layer 8 is made of a copper strip, so that the anti-interference capability of the cable is improved, and the overall strength of the cable is also improved;

referring to fig. 1, an outer protective layer 9 is sleeved on the outer wall of an outer shielding layer 8, the outer protective layer 9 is a soft neoprene mixed vulcanized rubber outer protective layer, the outer protective layer 9 is a soft neoprene mixed vulcanized rubber with a rubber content of 50%, and an inner protective layer 1 is an ethylene propylene rubber elastomer inner protective layer without vulcanization, so that the whole cable has good flexibility, the abrasion resistance is improved, the whole bending resistance of the cable is improved, the probability of cable damage is reduced, and the service life of the cable is ensured.

Example 2:

referring to fig. 1, on the basis of embodiment 1, the outer wall of the flame retardant layer 6 is uniformly provided with supporting blocks 7, the supporting blocks 7 are made of rubber and are fixedly mounted on the flame retardant layer 6, the supporting blocks 7 are arranged along the length extending direction of the cable and have the same length as the cable, the outer wall of one side of the supporting blocks 7, which is far away from the flame retardant layer 6, is fixedly connected with the inner wall of the outer shielding layer 8, and the flame retardant layer 6 and the outer shielding layer 8 are separated to form a cavity, so that the bending degree of the cable can be increased, the bending capacity of the cable is increased, the pressure of the cable can be buffered and released through the cavity when the cable is subjected to pressure, the influence of the pressure on the interior of;

referring to fig. 1, a buffer groove 10 is formed in an inner cavity of the support block 7, and two sets of openings 11 are formed in an inner wall of the buffer groove 10, so that the shrinkage degree of the support block 7 is increased, the bending and compression resistance of the cable is further improved, and the use effect of the support block 7 is improved;

referring to fig. 1 and 2, the outer wall of the flame retardant layer 6 is uniformly provided with the insertion blocks 12, the insertion blocks 12 are fixedly connected with the flame retardant layer 6, the insertion blocks 12 are arranged along the extension direction of the cable, the outer wall of one side of the support block 7, which is close to the flame retardant layer 6, is provided with the insertion slots 13 matched with the insertion blocks 12, and the insertion blocks 12 are inserted into the inner cavities of the insertion slots 13, so that the contact area between the support block 7 and the flame retardant layer 6 is increased, and the support block 7 and the flame retardant layer 6 are more stably connected;

referring to fig. 1, the number of the support blocks 7 is three, and the three groups of support blocks 7 are arranged in an annular array, so that the support blocks 7 stably support the outer layer of the cable;

compared with the embodiment 1, the supporting block 7 is added, the flexibility of the cable is increased, the bending resistance of the cable is enhanced, the pressure resistance of the cable is also improved, the use performance of the cable is increased, the probability of damage of the cable is reduced, the service life of the cable is prolonged, and the normal use of the cable is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Flexible cable for digit control machine tool, including interior sheath (1), its characterized in that: interior sheath (1) inner chamber evenly is provided with three group's conductors (2), conductor (2) outer wall has cup jointed insulating layer (3), inner shield layer (4) have been cup jointed to insulating layer (3) outer wall, be provided with between inner shield layer (4) outer wall and interior sheath (1) inner wall filling layer (5), interior sheath (1) outer wall has cup jointed fire-retardant layer (6), fire-retardant layer (6) outer wall is provided with outer shielding layer (8), outer shielding layer (8) outer wall has cup jointed outer jacket (9).

2. The flexible cable for the numerical control machine tool according to claim 1, wherein: the outer wall of the flame-retardant layer (6) is uniformly provided with supporting blocks (7), and the outer wall of one side, far away from the flame-retardant layer (6), of each supporting block (7) is fixedly connected with the inner wall of the outer shielding layer (8).

3. The flexible cable for the numerical control machine tool according to claim 2, wherein: the inner cavity of the supporting block (7) is provided with a buffer groove (10), and the inner wall of the buffer groove (10) is provided with two groups of openings (11).

4. The flexible cable for the numerical control machine tool according to claim 2, wherein: the outer wall of the flame-retardant layer (6) is uniformly provided with inserting blocks (12), the outer wall of one side, close to the flame-retardant layer (6), of the supporting block (7) is provided with inserting grooves (13) matched with the inserting blocks (12), and the inserting blocks (12) are inserted into inner cavities of the inserting grooves (13).

5. The flexible cable for the numerical control machine tool according to claim 1, wherein: the outer protective layer (9) is a soft chloroprene rubber mixed vulcanized rubber outer protective layer, and the inner protective layer (1) is an ethylene propylene rubber elastomer inner protective layer free of vulcanization.

6. The flexible cable for the numerical control machine tool according to claim 2, wherein: the number of the supporting blocks (7) is three, and the three groups of supporting blocks (7) are arranged in an annular array.