CN210308936U

CN210308936U - Cable integrated into one piece mould

Info

Publication number: CN210308936U
Application number: CN201921250830.4U
Authority: CN
Inventors: 应剑刚; 吴昊; 叶国兵; 秦相妙
Original assignee: Zhejiang Lantian Cables Co ltd
Current assignee: Zhejiang Lantian Cables Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-14
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a cable integrated forming die, which comprises a die sleeve (1), wherein an outflow cavity (2) is arranged on the die sleeve (1); an extrusion head (3) is communicated with the outflow cavity (2), a mold core (4) and a first molding cavity (5) are arranged in the extrusion head (3), and a plurality of spoilers (6) with first heating plates (7) are arranged in the first molding cavity (5); a plurality of second molding cavities (8) are arranged on the extrusion head (3); the two end parts of the outflow cavity (2) are respectively sleeved with a cooling pipe and a heating ring (10); a plurality of pressing wheels (11) are arranged in the outflow cavity (2), and each pressing wheel (11) is connected with a first hydraulic cylinder (12); the mold core (4) is connected with a telescopic cylinder (14) through a moving rod (13). The utility model discloses not only can improve the cladding quality, still have long service life, extrude effectual, work efficiency is high, application scope is wide, the shaping is effectual, acquisition cost is low, convenient to use and convenient operation's advantage.

Description

Cable integrated into one piece mould

Technical Field

The utility model relates to a cable mould, especially cable integrated into one piece mould.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer and is used for transmitting power or information and the like from one place to another place; in the process of cable production, an insulating protective layer is required to be coated on the outer surface of a cable by using a mold, but the mold used in the existing production process consists of a core rod and a mouth mold, because the length of the mold is limited, the temperature of the surface of a product of the mold is higher, and an insulating protective shell is not completely in close contact with the cable when the temperature is higher, so that the phenomenon that the surface of the cable is loosened or the surface of the cable is separated easily occurs; moreover, the insulation protective shell is covered on the surface of the cable only by extrusion through a common die, and air brought in by the cable, air in the die and air bubbles in the stock solution of the insulation protective shell cannot be removed in the extrusion process, so that the formed insulation protective shell is easy to generate the phenomena of air bubbles and looseness, and the coating quality is reduced; and general mould can only adapt to the cable of a size, when needing to produce the cable of different sizes, need change different moulds, and the acquisition cost is higher, and application scope is less. Therefore, the existing die has the problems of low coating quality, small application range and high acquisition cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable integrated into one piece mould. The utility model discloses not only can improve the cladding quality, still have application scope wide and the advantage that acquisition cost is low.

The technical scheme of the utility model: the cable integral forming die comprises a die sleeve, wherein the middle part of the die sleeve is provided with an outflow cavity; one end part of the outflow cavity is communicated with an extrusion head, and a mold core is arranged in the extrusion head; a first molding cavity is arranged between the mold core and the extrusion head, a plurality of spoilers distributed in a staggered manner are arranged on the inner wall of the first molding cavity, and a first heating plate is arranged on each spoiler; a plurality of second molding cavities which are uniformly distributed in an annular manner are arranged on the extrusion head, and one end of each second molding cavity is communicated with the first molding cavity; one end part of the outflow cavity, which is far away from the mold core, is sleeved with a cooling pipe, and one end part of the outflow cavity, which is close to the mold core, is sleeved with a heating ring; a plurality of pressing wheels which are uniformly distributed in an annular mode are arranged on the inner wall of the outflow cavity, each pressing wheel is arranged between the cooling pipe and the heating ring, and one end of each pressing wheel is connected with a first hydraulic cylinder; a moving rod is arranged on the outer side face of one end of the mold core, and one end of the moving rod is connected with a telescopic cylinder.

In the cable integrated forming die, a first hydraulic cylinder is connected with a first push rod, and one end of the first push rod is connected with an inward-concave positioning arc plate; mounting grooves are formed in the two end portions of the positioning arc plate, and an infrared photoelectric sensor is arranged in each mounting groove; the pinch roller is arranged in the middle of the positioning arc plate, and the distance from the top surface of the pinch roller to the positioning arc plate is the same as the vertical distance from the two end parts of the positioning arc plate to the midpoint of the positioning arc plate; the infrared photoelectric sensor is electrically connected with the first hydraulic cylinder.

In the above-mentioned cable integrated into one piece mould, all be provided with the check valve in every second forming cavity, equal ring distribution has a plurality of evenly distributed's second hot plate on every second forming cavity.

In the cable integrated forming die, a plurality of uniformly distributed sliding grooves are formed in the end part, close to the outflow cavity, of the die core, and a telescopic arc plate is slidably mounted on each sliding groove; limiting grooves are formed in the two end portions of the sliding groove, and limiting blocks are arranged on the bottom surface of the telescopic arc plate; the limiting block is clamped with the limiting groove; every two adjacent flexible arc plate supports are connected with a compression spring.

In the above cable integrated molding die, a heat insulation plate is arranged between the heating ring and the cooling pipe.

In the above-mentioned cable integrated into one piece mould, the extrusion head is provided with a clamping ring groove connected with one end of the mould core.

In the cable integrated forming die, the outflow cavity, the extrusion head and the die core are concentrically arranged.

Compared with the prior art, the utility model improves the existing cable mould, the mould core is arranged in the extrusion head through the outflow cavity and the extrusion head arranged in the middle of the mould sleeve, so that a first molding cavity can be formed between the extrusion head and the mould core, and the extrusion force of the mould core and the extrusion head on the insulating material in the first molding cavity is utilized to realize the extrusion of the insulating material, so that the extruded insulating material can be uniformly coated on the surface of the cable; the pressing wheels which are uniformly distributed in a ring shape are arranged on the inner wall of the outflow cavity, and the insulating material coated on the surface of the cable is pressed by the pressing wheels, so that the insulating material can be more tightly coated on the outer surface of the cable, the phenomenon that the insulating material is coated unevenly or loosens and falls off is prevented, and the coating quality is improved; the inner wall of the first molding cavity is provided with the spoilers which are uniformly distributed, each spoiler is provided with the first heating plate, the flow velocity of the insulating material can be adjusted through the spoilers, and air in the insulating material can be discharged, so that the insulating material can be tightly wrapped on the outer surface of the cable, air is prevented from entering, and the service life is prolonged; then the insulating material is heated in real time through the first heating plate, so that the melting effect of the insulating material is ensured, and the extrusion effect is improved; the second forming cavity is formed in the extrusion head, so that the surface of the cable can be coated with the insulating material through the second forming cavity, and other materials such as the identification strip and the like are added, so that one-step forming is realized, secondary treatment is not needed, and the working efficiency is improved; the movable rod and the telescopic cylinder are arranged at one end part of the mold core, and the mold core can be driven to move back and forth by the movable rod and the telescopic cylinder, so that the volume of a first molding cavity between the extrusion head and the mold core can be adjusted, the cable molding device can adapt to the production of cables of different models, and the application range is expanded; meanwhile, the cooling pipe and the heating ring are respectively arranged at the two end parts of the outflow cavity, so that the insulating material solidified on the surface at the joint of the outflow cavity and the extrusion head can be melted through the heating ring, and the utilization rate of the insulating material is improved; the insulating material on the surface of the cable can be subjected to shape cooling through the cooling pipe, so that the forming effect is improved. In addition, the utility model discloses still through setting up the location arc board, the pinch roller sets up in the middle part of location arc board, and the both ends of location arc board all are provided with infrared photoelectric sensor, utilize the radian of location arc board can be to making the insulating material of cable surface be convex, and the combined action of pinch roller is again cooperated, makes insulating material can smooth and mellow report again on the surface of cable; the infrared photoelectric sensor can detect whether the positioning arc plate is in contact with the cable or not, so that the moving distance of the positioning arc plate is controlled, the cable shaping operation with different sizes is further adapted, the application range is further expanded, and the acquisition cost is reduced; by arranging the check valve in the second molding cavity, the insulating material liquid in the first molding cavity can be prevented from entering the second molding cavity due to extrusion when the second molding cavity is not used, so that the subsequent use is influenced, and the use is convenient; one end of the mold core is provided with a sliding groove, and the sliding groove is provided with a telescopic arc plate, so that when a cable passes through the mold core, the cable can push the telescopic arc plate to move back and forth by utilizing the acting force of the cable on the telescopic arc plate, the diameter of the outlet of the mold core is changed automatically, the cable can adapt to cables with different sizes automatically, manual adjustment is not needed, and the operation is convenient; a compression spring is arranged between every two adjacent telescopic arc plates, and the indirect reaction force of the compression spring on the cable can be utilized to independently position the cable in the middle of the mold core, so that the molding effect is further improved; the telescopic arc plate can be prevented from being separated from the mold core by arranging the limiting block and the limiting groove and matching with the compression spring, so that the use is further facilitated; the heat insulation plate is arranged between the heating ring and the cooling pipe, so that heat exchange between the heating ring and the cooling pipe can be prevented, the utilization rate of energy is improved, and the energy is saved; through setting outflow chamber, extrusion head and mold core to concentric setting to can guarantee the even parcel of insulating material on the surface of cable, thereby further improve the shaping effect. Therefore, the utility model discloses not only can improve the cladding quality, still have long service life, extrude effectual, work efficiency is high, application scope is wide, the shaping is effectual, acquisition cost is low, convenient to use and convenient operation's advantage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a side view of the mold core;

FIG. 3 is a schematic structural view of the bottom surface of the telescopic arc plate;

FIG. 4 is a schematic view of the positioning arc plate;

fig. 5 is a partially enlarged view of a portion a in fig. 1.

The labels in the figures are: 1-die sleeve, 2-outflow cavity, 3-extrusion head, 4-die core, 5-first molding cavity, 6-spoiler, 7-first heating plate, 8-second molding cavity, 9-cooling pipe, 10-heating ring, 11-pressing wheel, 12-first hydraulic cylinder, 13-moving rod, 14-telescopic cylinder, 15-first push rod, 16-positioning arc plate, 17-mounting groove, 18-infrared photoelectric sensor, 19-check valve, 20-second heating plate, 21-sliding groove, 22-telescopic arc plate, 23-limiting groove, 24-limiting block, 25-thermal insulation plate, 26-clamping ring groove and 27-compression spring.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. The cable integral forming die is shown in figures 1 to 5 and comprises a die sleeve 1, wherein the middle part of the die sleeve 1 is provided with an outflow cavity 2; one end part of the outflow cavity 2 is communicated with an extrusion head 3, and a mold core 4 is arranged in the extrusion head 3; a first molding cavity 5 is arranged between the mold core 4 and the extrusion head 3, a plurality of spoilers 6 which are distributed in a staggered manner are arranged on the inner wall of the first molding cavity 5, and a first heating plate 7 is arranged on each spoiler 6; a plurality of second molding cavities 8 which are uniformly distributed in an annular mode are formed in the extrusion head 3, and one end of each second molding cavity 8 is communicated with the first molding cavity 5; a cooling pipe 9 is sleeved on one end part, far away from the mold core 4, of the outflow cavity 2, and a heating ring 10 is sleeved on one end part, close to the mold core 4; a plurality of pressing wheels 11 which are uniformly distributed in an annular mode are arranged on the inner wall of the outflow cavity 2, each pressing wheel 11 is arranged between the cooling pipe 9 and the heating ring 10, and one end of each pressing wheel 11 is connected with a first hydraulic cylinder 12; a moving rod 13 is arranged on the outer side surface of one end part of the mold core 4, and a telescopic cylinder 14 is connected to one end part of the moving rod 13.

A first push rod 15 is connected to the first hydraulic cylinder 12, and an inwardly recessed positioning arc plate 16 is connected to one end of the first push rod 15; mounting grooves 17 are formed in two end portions of the positioning arc plate 16, and an infrared photoelectric sensor 18 is arranged in each mounting groove 17; the pinch roller 11 is arranged in the middle of the positioning arc plate 16, and the distance from the top surface of the pinch roller 11 to the positioning arc plate 16 is the same as the vertical distance from the two end parts of the positioning arc plate 16 to the midpoint of the positioning arc plate 16; the infrared photoelectric sensor 18 is electrically connected with the first hydraulic cylinder 12; a check valve 19 is arranged in each second molding cavity 8, and a plurality of uniformly distributed second heating plates 20 are annularly distributed on each second molding cavity 8; a plurality of sliding grooves 21 which are uniformly distributed are formed in the end part, close to the outflow cavity 2, of the mold core 4, and a telescopic arc plate 22 is slidably mounted on each sliding groove 21; limiting grooves 23 are formed in two end portions of the sliding groove 21, and limiting blocks 24 are arranged on the bottom surface of the telescopic arc plate 22; the limiting block 24 is clamped with the limiting groove 23; each two adjacent telescopic arc plates 22 are connected with a compression spring 27; a heat insulation plate 25 is arranged between the heating ring 10 and the cooling pipe 9; the extrusion head 3 is provided with a clamping ring groove 26 connected with one end of the mold core 4; the outflow cavity 2, the extrusion head 3 and the mold core 4 are arranged concentrically.

The working principle is as follows: when the cable covering mold is used, a cable to be covered is placed into the mold core 4 and moves towards the flow cavity 2 through the mold core 4; when the cable moves, the outer wall of the cable can push the telescopic arc plate 22 to move on the sliding groove 21, the telescopic arc plate 22 can stretch or compress the compression spring 27 when moving, the cable can be fixed at the center of the mold core 4 by the telescopic arc plate 22 by utilizing the reaction force of the compression spring 27 on the telescopic arc plate 22, so that the mold core 4 can be suitable for the cables with different sizes to enter, and the central shaft of the cable is fixed at the position horizontal to the central shaft of the flow cavity, thereby ensuring the coating effect; then, insulating material liquid to be coated is sent into the first molding cavity 5, then the first hydraulic cylinder 12 is started, the first hydraulic cylinder 12 can drive the movable rod 13 to move towards the outflow cavity 2 after being started, the movable rod 13 can drive the mold core 4 to move, and the mold core 4 can compress the volume of the first molding cavity 5 when moving, so that the insulating material liquid in the first molding cavity 5 is extruded and automatically flows to the outflow cavity 2; when the insulating material liquid flows, the spoiler 6 can guide and change the speed of the insulating material liquid, and meanwhile, the spoiler 6 can also discharge air in the insulating material liquid; the heating of the insulating material liquid by the first heating plate 7 on the spoiler 6 is added, so that the insulating material liquid can be extruded uniformly; then the extruded insulating material liquid flows out of the position where the cavity 2 is connected with the extrusion head 3 to be contacted with the cable, is uniformly coated on the surface of the cable and enters the outflow cavity 2 along with the movement of the cable; after a cable wrapped with an insulating material shell enters the outflow cavity 2, the telescopic cylinder 14 is started, the telescopic cylinder 14 can drive the first push rod 15 to move towards the middle of the outflow cavity 2 after being started, the first push rod 15 can drive the positioning arc plate 16 to move, the positioning arc plate 16 can drive the pinch roller 11 to move, so that the pinch roller 11 can be in contact with the cable, when the cable is in contact with the pinch roller 11, the infrared photoelectric sensor 18 cannot detect reflected light, and at the moment, the infrared photoelectric sensor 18 can judge that the cable is in contact with the cable and control the telescopic cylinder 14 to pause at the position, so that the pressing and shaping work of cables with different sizes can be adapted, and the application range is expanded; pressing the insulating material shell outside the cable by using the pressing wheels 11 in different directions, so that the insulating material shell can be more tightly connected with the surface of the cable, the phenomenon that the insulating material shell falls off or loosens is avoided, and the coating quality is improved; the surfaces of the insulating material shells can be more rounded under the combined action of the multi-directional pressing wheels 11 and the positioning arc plates 16, so that the coating effect is improved; and finally, cooling and shaping the insulating material shell under the action of the cooling pipe 9 to finish the work.

When the identification strip is required to be added on the insulating material shell of the cable, the identification strip raw material liquid is placed into the second molding cavity 8, so that the identification strip raw material liquid directly coats the surface of the cable together with the insulating material liquid at the position of the extrusion head 3 through the second molding cavity 8, one-step molding is realized, and the working efficiency is improved.

Claims

1. Cable integrated into one piece mould, its characterized in that: comprises a die sleeve (1), wherein the middle part of the die sleeve (1) is provided with an outflow cavity (2); one end part of the outflow cavity (2) is communicated with an extrusion head (3), and a mold core (4) is arranged in the extrusion head (3); a first molding cavity (5) is arranged between the mold core (4) and the extrusion head (3), a plurality of spoilers (6) which are distributed in a staggered manner are arranged on the inner wall of the first molding cavity (5), and a first heating plate (7) is arranged on each spoiler (6); a plurality of second molding cavities (8) which are uniformly distributed in an annular mode are formed in the extrusion head (3), and one end of each second molding cavity (8) is communicated with the first molding cavity (5); a cooling pipe (9) is sleeved on one end part of the outflow cavity (2) far away from the mold core (4), and a heating ring (10) is sleeved on one end part of the outflow cavity close to the mold core (4); a plurality of press wheels (11) which are uniformly distributed in an annular shape are arranged on the inner wall of the outflow cavity (2), each press wheel (11) is arranged between the cooling pipe (9) and the heating ring (10), and one end of each press wheel (11) is connected with a first hydraulic cylinder (12); a moving rod (13) is arranged on the outer side surface of one end of the mold core (4), and one end of the moving rod (13) is connected with a telescopic cylinder (14).

2. The cable integrated molding die of claim 1, wherein: a first push rod (15) is connected to the first hydraulic cylinder (12), and an inward-concave positioning arc plate (16) is connected to one end of the first push rod (15); mounting grooves (17) are formed in two end portions of the positioning arc plate (16), and an infrared photoelectric sensor (18) is arranged in each mounting groove (17); the pinch roller (11) is arranged in the middle of the positioning arc plate (16), and the distance from the top surface of the pinch roller (11) to the positioning arc plate (16) is the same as the vertical distance from the two end parts of the positioning arc plate (16) to the midpoint of the positioning arc plate (16); the infrared photoelectric sensor (18) is electrically connected with the first hydraulic cylinder (12).

3. The cable integrated molding die of claim 1, wherein: and a check valve (19) is arranged in each second molding cavity (8), and a plurality of uniformly distributed second heating plates (20) are annularly distributed on each second molding cavity (8).

4. The cable integrated molding die of claim 1, wherein: a plurality of sliding grooves (21) which are uniformly distributed are formed in the end part, close to the outflow cavity (2), of the mold core (4), and a telescopic arc plate (22) is slidably mounted on each sliding groove (21); limiting grooves (23) are formed in two end portions of the sliding groove (21), and limiting blocks (24) are arranged on the bottom surface of the telescopic arc plate (22); the limiting block (24) is clamped with the limiting groove (23); and each two adjacent telescopic arc plate (22) brackets are connected with a compression spring (27).

5. The cable integrated molding die of claim 1, wherein: and a heat insulation plate (25) is arranged between the heating ring (10) and the cooling pipe (9).

6. The cable integrated molding die of claim 1, wherein: and the extrusion head (3) is provided with a clamping ring groove (26) connected with one end of the mold core (4).

7. The cable integral molding die according to any one of claims 1 to 6, wherein: the outflow cavity (2), the extrusion head (3) and the mold core (4) are arranged concentrically.