CN210453776U

CN210453776U - Cable thermal shrinkage film forming mechanism

Info

Publication number: CN210453776U
Application number: CN201920975890.6U
Authority: CN
Inventors: 季开元
Original assignee: Kunshan Byson Electronics Co ltd
Current assignee: Kunshan Byson Electronics Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-05-05
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a cable pyrocondensation membrane forming mechanism for make its cladding on the cable to the pyrocondensation membrane heating, include: the shell is provided with a sealed cavity, an opening for inputting the cable and the heat-shrinkable film into the sealed cavity and an outlet for outputting the molded cable; the heating assembly comprises a spiral mounting block and heating sources arranged on the mounting block and matched with the side walls of the mounting block in a shape, a heating channel for the cables and the thermal shrinkage films to pass through is formed between the side walls of every two adjacent heating sources, a peripheral gap of the heating channel is in butt joint with the opening, a central gap of the heating channel is in butt joint with the outlet, and the temperature of the heating source from the peripheral position of the heating channel to the central gap is uniformly increased. The utility model discloses at least, include following advantage: adopt spiral helicine heating structure, realize on the one hand that a plurality of cables can the even heating, and better utilization heating space, on the other hand can realize the preheating effect of cable.

Description

Cable thermal shrinkage film forming mechanism

Technical Field

The utility model relates to a former technical field, specific be a cable pyrocondensation membrane forming mechanism.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

A heat shrinkable film is a film which shrinks when heated, thereby tightly covering the surface of a product, and all materials thereof are mainly various thermoplastic films. At first, a PVC shrink film is taken as a main material, the PVC shrink film is gradually reduced along with the continuous development of market demands, and various multilayer co-extrusion shrink films such as PE, PET, OPP, PVDC, POF and the like are rapidly developed and become the main stream of the market.

At present, a heat-shrinkable film is commonly used for protecting the surface of the cable, and a PE material is generally adopted. In the process of thermoplastic molding, a cable and a heat-shrinkable film are usually placed in a heating box, and the cable and the heat-shrinkable film are heated by a heat source on the inner wall of the heating box, so that the heat-shrinkable film is coated on the outer wall of the cable. Above-mentioned in-process, owing to will improve process velocity, need put into a plurality of cables simultaneously, the interval setting between cable and the cable can cause the cable heating efficiency who is close to the heat source high certainly, and the cable heating efficiency who keeps away from the heat source is low, and then causes the qualification rate to descend owing to being heated the inequality. On the contrary, if one cable is passed at a time to ensure the heating efficiency, the space is wasted.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a cable pyrocondensation membrane forming mechanism, it adopts spiral helicine heating structure, realizes on the one hand that a plurality of cables can the even heating, and better utilizes the heating space, and on the other hand can realize the preheating effect of cable.

The embodiment of the application discloses: a cable thermal shrinkage film forming mechanism is used for heating a thermal shrinkage film to enable the thermal shrinkage film to be coated on a cable, and comprises:

the shell is provided with a sealed cavity, an opening for inputting the cable and the heat-shrinkable film into the sealed cavity and an outlet for outputting the molded cable;

the heating assembly is positioned in the sealed cavity and comprises a spiral mounting block and heating sources arranged on the mounting block and matched with the side walls of the mounting block in a shape, a heating channel for the cables and the thermal shrinkage films to pass through is formed between the side walls of every two adjacent heating sources, a peripheral gap of the heating channel is in butt joint with the opening, a central gap of the heating channel is in butt joint with the outlet, and the temperature of the heating source from the peripheral position of the heating channel to the central gap is uniformly increased.

Further, the heating source includes a plurality of independently operable infrared heating tubes.

Further, a fan assembly used for generating internal circulation airflow is arranged on the inner wall of the shell.

Furthermore, a plurality of temperature sensors capable of operating independently are arranged on the mounting block, and each temperature sensor is in signal connection with the fan assembly.

Further, the clamping assembly is arranged in the sealed cavity and used for clamping the cable and the heat-shrinkable film, and comprises a first annular clamping jaw and a second annular clamping jaw which are located above the spiral mounting block, wherein the first annular clamping jaw is used for clamping the cable, and the second annular clamping jaw is located on the periphery of the first annular clamping jaw and used for clamping the heat-shrinkable film.

Further, including being used for right the guiding mechanism that first annular clamping jaw and second annular clamping jaw bore, guiding mechanism is including being located the top of installation piece and with the heliciform casing of heating channel adaptation is located just the cooperation of shape in the casing the guide rail of casing is located just can be relative on the guide rail the guide block that the guide rail removed, first annular family clamping jaw and second annular clamping jaw all set up on the guide block.

Further, the guide rails are symmetrically arranged in two numbers so that the guide blocks can move circularly.

Further, a sliding door is provided on the housing to form the opening when the sliding door is opened.

Furthermore, an insulating layer is wrapped on the outer surface of the shell.

Borrow by above technical scheme, the beneficial effects of the utility model are as follows:

1. according to the heating device, the spiral heating mechanism is arranged, the cable and the corresponding thermal shrinkage film form a unit which enters the heating channel through the opening, the unit enters the opening at intervals in a transmission mode, the heating space can be effectively utilized, the phenomenon of uneven heating caused by respective shielding can not be generated, and the structure is optimized;

2. this application can play the effect of preheating to this unit that just got into or got into a period through the heating structure that sets up even intensification for this unit is heated more evenly, and then can guarantee follow-up pyrocondensation membrane at the in-process of cladding cable, can improve the cladding validity, and the qualification rate after the unit shaping is high.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overall device in an embodiment of the present invention;

fig. 2 is a top view of a structure of a heating assembly portion in an embodiment of the present invention.

Reference numerals of the above figures: 1. a housing; 2. sealing the cavity; 3. mounting blocks; 4. a heating source; 5. a heating channel; 6. a fan assembly; 7. a temperature sensor; 8. a first annular jaw; 9. a second annular jaw; 10. a housing; 11. a guide rail; 12. a guide block; 13. and (7) an insulating layer.

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.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

With reference to fig. 1 to 2, the present embodiment discloses a cable heat-shrinkable film forming mechanism, which is used for heating a heat-shrinkable film to wrap the heat-shrinkable film on a cable. The mechanism comprises a shell 1 and a heating assembly, wherein the shell 1 is provided with a sealed cavity 2, an opening for inputting the cable and the heat shrinkable film into the sealed cavity 2 and an outlet for outputting the molded cable. The heating assembly is located in the sealed cavity 2 and comprises a spiral mounting block 3 and a heating source 4 which is arranged on the mounting block 3 and matched with the side wall of the mounting block 3 in a shape. A heating channel 5 for the cables and the heat-shrinkable films to pass through is formed between the side walls of two adjacent heating sources 4, the peripheral gap of the heating channel 5 is in butt joint with the opening, the central gap is in butt joint with the outlet, and the temperature of the heating sources 4 is uniformly increased from the peripheral position of the heating channel 5 to the central gap.

In the arrangement mode, through the spiral heating mechanism, the cable and the corresponding heat shrinkage film form a unit which enters the heating channel 5 through the opening, and the unit enters the opening at intervals in a transmission mode, so that the heating space can be effectively utilized, the phenomenon of uneven heating caused by respective shielding can not be generated, and the structure is optimized. And through the heating mode of even intensification, can play the effect of preheating to just getting into or getting into this unit of a period for this unit is heated more evenly, and then can guarantee that follow-up pyrocondensation membrane can improve the validity of cladding at the in-process of cladding cable, and the qualification rate after the unit shaping is high.

In the present embodiment, the housing 1 is cylindrical as a whole and extends in the vertical direction. The housing 1 may be made of an alloy material. The housing 1 is provided with a sliding door which when opened forms the opening. Preferably, the sliding door is provided on a side wall of the housing 1.

In this embodiment, the heating source 4 includes a plurality of infrared heating pipes capable of operating independently. Specifically, the infrared heating pipes are all attached to the side wall of the spiral mounting block 3. When the unit composed of the cable and the heat shrinkable film enters the heating channel 5 from the opening, the infrared heating pipe heats the unit. The working temperature of the infrared heating pipe at the periphery of the heating channel 5 is controlled to be 30 ℃, the working temperature of the infrared heating pipe is uniformly raised to 90 ℃ along with the unit gradually moving towards the center along the heating channel 5, so that the thermal shrinkage film is completely and effectively coated on the surface of the cable, the forming process of the unit is completed, and the structure is optimized.

In the present embodiment, a fan assembly 6 for generating an internal circulation airflow is disposed on an inner wall of the housing 1. Preferably, the fan assembly 6 is disposed at the bottom of the housing 1 below the mounting block 3. In the working process of the mechanism, the fan assembly 6 is also in a working state, and the generated air flow can pass through the heating channel 5, so that the air flow in the whole sealed cavity 2 is driven to flow in an internal circulation manner, the phenomenon of overheating or overcooling of local air flow is avoided, and the stability of the heating temperature of each structure in the whole sealed cavity 2 is ensured. Of course, the fan assembly 6 may also be disposed elsewhere, and its position may be adaptively adjusted according to installation requirements.

In this embodiment, a plurality of temperature sensors 7 capable of operating independently are arranged on the mounting block 3, and each temperature sensor 7 is in signal connection with the fan assembly 6. Specifically, the signal sensors are uniformly distributed on the mounting blocks 3. Preferably, the temperature sensor 7 may be embedded on an end surface of the mounting block 3, or may be embedded on a side wall of the mounting block 3. According to the arrangement mode, when the temperature sensor detects the phenomenon of local overheating or overcooling, the signal is fed back to the fan assembly 6, the rotating speed of the fan assembly 6 is adjusted, the flow speed of the inner circulation air flow is further adjusted, and the stability of the heating temperature of each structure in the integral sealed cavity 2 is further guaranteed.

In this embodiment, the mechanism further comprises a clamping assembly arranged in the sealed cavity 2 and used for clamping the cable and the heat shrinkable film, wherein the clamping assembly comprises a first annular clamping jaw 8 and a second annular clamping jaw 9 which are positioned above the spiral mounting block 3, the first annular clamping jaw 8 is used for clamping the cable, and the second annular clamping jaw 9 is positioned at the periphery of the first annular clamping jaw 8 and used for clamping the heat shrinkable film. In particular, the size of said first annular jaw 8 is smaller than the size of said second annular jaw 9, and said first annular jaw 8 and said second annular jaw 9 are arranged concentrically. On one hand, the arrangement mode can ensure that the cable and the heat-shrinkable film are respectively grabbed and fixed, and the heat-shrinkable film is positioned at the periphery of the cable; on the other hand, the distance formed between the side wall of the heat-shrinkable film and the side wall of the cable before forming can be equal everywhere, and forming accuracy is further guaranteed.

In this embodiment, the mechanism further comprises a guide mechanism for carrying the first and second

annular jaws

8, 9. Guiding mechanism including being located the top of installation piece 3 and with the heliciform casing 10 of heating channel 5 adaptation is located just the cooperation of shape in the casing 10 the guide rail 11 of casing 10 is located on the guide rail 11 and can be relative the guide block 12 that guide rail 11 removed, first annular clamping jaw and second annular clamping jaw 9 all set up on the guide block 12. The arrangement mode can guide the movement of the cable and the corresponding heat-shrinkable film, and further can ensure the movement tracks of the cable and the heat-shrinkable film, so that the cable and the heat-shrinkable film cannot be in contact with the heating source 4 in the movement process. In this embodiment, preferably, two guide rails 11 are symmetrically arranged to allow the guide block 12 to move circularly.

In this embodiment, the outer surface of the housing 1 is covered with an insulating layer 13. Preferably, the insulating layer 13 can be made of soft porcelain material, which can prevent operators from directly contacting the shell 1 and scalding the operators; on the other hand, the heat dissipation efficiency in the sealed cavity 2 can be weakened.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a cable pyrocondensation membrane forming mechanism for to pyrocondensation membrane heating make its cladding on the cable, its characterized in that includes:

2. The cable shrink molding apparatus as claimed in claim 1, wherein said heating source comprises a plurality of independently operable infrared heating tubes.

3. The cable shrink molding apparatus as claimed in claim 1, wherein a fan assembly is disposed on an inner wall of said housing for generating an internal circulating air flow.

4. The cable shrink molding mechanism of claim 3 wherein said mounting block has a plurality of independently operable temperature sensors disposed thereon, each of said temperature sensors being in signal communication with said fan assembly.

5. The cable shrink film forming mechanism of claim 1, comprising a gripping assembly disposed within the sealed cavity and configured to carry the cable and shrink film, the gripping assembly including a first annular jaw and a second annular jaw above the screw mounting block, the first annular jaw configured to grip the cable, the second annular jaw located at a periphery of the first annular jaw and configured to grip the shrink film.

6. The cable shrink film forming mechanism of claim 5, comprising a guide mechanism for carrying the first and second annular jaws, the guide mechanism comprising a helical housing positioned above the mounting block and adapted to fit the heating channel, a guide rail positioned within the housing and form fit with the housing, a guide block positioned on the guide rail and movable relative to the guide rail, the first and second annular jaws each being disposed on the guide block.

7. The cable shrink molding mechanism as claimed in claim 6, wherein there are two of said guide rails symmetrically arranged to allow said guide blocks to move cyclically.

8. The cable shrink molding mechanism of claim 1 wherein a sliding door is provided on said housing to form said opening when said sliding door is opened.

9. The cable shrink molding apparatus of claim 1, wherein the outer surface of said housing is coated with an insulating layer.