Heating device of cable irradiation crosslinking equipment

Abstract

The utility model relates to the technical field of cable irradiation cross-linking, in particular to a heating device of cable irradiation cross-linking equipment, and solves the problem that a bearing plate in the prior art shields a cable at a part of positions to influence the heating effect when assisting the cable to enter and exit from a heating box. A heating device for cable irradiation crosslinking equipment comprises a heating box, two inlet and outlet grooves are formed in the surface of the heating box, a limiting mechanism is arranged on one side of the heating box, a plurality of fixing rods are fixedly connected into the heating box, an auxiliary ring is fixedly connected between the fixing rods, and a rotating sleeve is rotationally connected into the auxiliary ring. A driving mechanism is arranged between the rotating sleeve and the heating box, and a plurality of limiting strips are fixedly connected to the surface of the rotating sleeve. According to the utility model, the cable can conveniently enter and exit from the heating box, and the heating effect can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable irradiation crosslinking technical field especially relates to a kind of cable irradiation crosslinking equipment heating device. BACKGROUND

[0002] Cable irradiation crosslinking is a kind of modification technology for cable insulation layer and sheath material. It uses high-energy rays (such as electron beam, gamma ray or ultraviolet light) to irradiate cable material, so that crosslinking structure is formed between polymer molecular chains in the material. Simply speaking, it is to connect the originally independent molecular chains through chemical bonds, so as to change the performance of the material. The crosslinked cable material can withstand higher temperature. For example, ordinary polyethylene cable will become soft and deformed at high temperature, and even lose insulation performance. However, XLPE cable after irradiation crosslinking can work stably at high temperature (such as 90℃ or even higher) for a long time, greatly improving the safety and service life of the cable in high temperature environment. The crosslinking of molecular chains makes the material more tough. The cable needs to withstand certain mechanical stress such as stretching and bending during laying and use. The crosslinked cable insulation layer and sheath can better resist these external forces and reduce damage such as material breakage and wear, effectively improving the mechanical strength of the cable. Ultraviolet irradiation crosslinking requires heating. In this crosslinking method, a proper amount of photo-crosslinking sensitizer is added to the base resin mainly composed of polyolefin. The polyolefin material is transparent when heated and extruded, which is beneficial to the focusing and transmission of ultraviolet irradiation into the material. The heating process makes the material in a suitable state, which is conducive to the formation of free radicals by ultraviolet light and the induction of macromolecular radicals in polyolefin units. If heating is not performed, the transparency of the material is not enough or the sensitizer cannot be effectively activated, which will lead to difficulty in crosslinking reaction or low crosslinking degree.

[0003] In the prior art, when ultraviolet irradiation crosslinking is performed, the cable is first placed in the heating device, heated by the heating ring, and then placed in the ultraviolet irradiation crosslinking equipment for processing, so as to complete the reinforcement of the cable material.

[0004] However, when the cable is placed in the heating device and heated by the heating ring, a bearing plate needs to be used to bear the cable to facilitate the passage of the cable through the heating box. The bearing plate itself will shield a part of the cable and affect the heating effect, which will affect the subsequent irradiation crosslinking effect. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of cable irradiation crosslinking equipment heating device, solve the problem that bearing plate in prior art will shield a part of the cable and affect the heating effect when assisting cable to enter and exit heating box.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A cable irradiation crosslinking equipment heating device, including heating box, the surface of heating box is equipped with two inlet and outlet grooves, one side of heating box is equipped with limiting mechanism, the inside of heating box is fixedly connected with a plurality of fixed rods, a plurality of fixed rods are fixedly connected with auxiliary ring, the inside of auxiliary ring is rotatably connected with rotating sleeve, drive mechanism is equipped between rotating sleeve and heating box, the surface of rotating sleeve is fixedly connected with a plurality of limit strips.

[0008] Preferably, the limiting mechanism includes two support rods fixedly connected to the side surface of the heating box, an L-shaped lifting rod is provided through the top of the support rod, and a limiting wheel is rotatably connected between the two lifting rods and the two support rods.

[0009] Preferably, the lifting rod is elastically connected to the top of the support rod by a compression spring, and the bottom of the lifting rod is fixedly connected with an anti-dropping rod.

[0010] Preferably, the drive mechanism includes a motor fixedly connected to the side surface of the heating box, a drive gear is fixedly connected to the transmission shaft of the motor, and a force receiving gear is fixedly connected to the surface of the rotating sleeve.

[0011] Preferably, a plurality of lubricating wheels are rotatably connected to the surface of the limit strip.

[0012] Preferably, a plurality of limit strips are fixedly connected with a stabilizing ring, a sleeve is sleeved on the surface of the stabilizing ring, and one end of the sleeve is fixedly connected to the inside of the adjacent heating box.

[0013] The utility model has the following beneficial effects:

[0014] When the cable is irradiated by ultraviolet light for crosslinking, the cable can be sent into the heating box, and after the cable enters the heating box, it will be surrounded by the limit strip, then the cable can be carried by the limit strip, so as to assist the cable to leave the heating box, and the limit strip can rotate, which will not continuously shield a part of the cable to affect the heating effect, so that the cable can conveniently enter and exit the heating box while ensuring the heating effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 The structure of the utility model is shown in the figure.

[0017] Figure 2 For Figure 1 Schematic view of the limiting mechanism;

[0018] Figure 3 For Figure 1 Schematic view of the structure inside the heating box;

[0019] Figure 4 For Figure 3 Schematic view of the driving mechanism;

[0020] Figure 5 For Figure 4 Schematic view of the side of the limiting strip.

[0021] In the figure: 1, heating box; 2, inlet and outlet groove; 3, limiting mechanism; 4, fixed rod; 5, auxiliary ring; 6, rotating sleeve; 7, driving mechanism; 8, limiting strip; 301, support rod; 302, lifting rod; 303, limiting wheel; 304, compression spring; 305, anti-dropping rod; 701, motor; 702, driving gear; 703, force receiving gear; 704, lubricating wheel; 705, stabilizing ring; 706, sleeve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0023] Referring to Figures 1-5The utility model provides a kind of cable irradiation crosslinking equipment heating device, including heating box 1, heating box 1 is prior art, heating coil is equipped in heating box 1 inside and the object that enters its inside is heated, when needing to carry out ultraviolet light irradiation crosslinking treatment to cable, cable can be heated first, then ultraviolet light irradiation is carried out to cable, the surface of heating box 1 is provided with two access slots 2, in this process, cable can be sent into the inside of heating box 1 for heating by access slot 2, the side of heating box 1 is equipped with limiting mechanism 3, when cable is sent into heating box 1, certain restriction can be carried out by limiting mechanism 3, guarantee that cable does not shift when entering heating box 1, so that cable can normally enter the inside heating of heating box 1, a plurality of fixed rods 4 are fixedly connected in the inside of heating box 1, a plurality of fixed rods 4 are fixedly connected with auxiliary ring 5 between, auxiliary ring 5 is rotatably connected with rotating sleeve 6 in the inside, and driving mechanism 7 is equipped between rotating sleeve 6 and heating box 1, a plurality of limiting strips 8 are fixedly connected on the surface of rotating sleeve 6, after cable enters heating box 1, it is surrounded and limited by a plurality of limiting strips 8, then leave heating box 1 by the access slot 2 of another side and enter the inside of ultraviolet light irradiation crosslinking equipment for ultraviolet light irradiation, during the process of heating cable, driving mechanism 7 can be started, driving mechanism 7 can make rotating sleeve 6 rotate, so that limiting strip 8 follows rotating sleeve 6 and rotates, at this time, the heating machine in the inside of heating box 1 can heat the cable in the inside of limiting strip 8, and the rotation of limiting strip 8 can make the surface of cable not appear the question that cannot be heated, guarantee that heating is uniform, and auxiliary ring 5 can be fixed in the inside of heating box 1 by fixed rod 4, facilitate rotating sleeve 6 rotates in the inside of auxiliary ring 5, cable can be carried by limiting strip 8 while being heated uniformly when passing through heating box 1, guarantee heating effect and also can guarantee that cable can be carried when passing through heating box 1.

[0024] Further, limiting mechanism 3 includes two support rods 301 fixedly connected to the side surface of heating box 1, L-shaped lifting rods 302 are provided on the top of support rods 301, and limiting wheels 303 are rotatably connected between the two lifting rods 302 and the two support rods 301. When the cable needs to be sent into the heating box 1, one end of the cable can be sent between the two limiting wheels 303, so that the cable is limited when entering the inside of the heating box 1, ensuring that the cable does not misalign and affect the heating effect, so that the cable can be normally heated to ensure that the subsequent ultraviolet light irradiation is not wrong.

[0025] Further, the lifting rod 302 is elastically connected to the top of the supporting rod 301 through the compression spring 304, the bottom of the lifting rod 302 is fixedly connected with the anti-disengagement rod 305, when the cable enters the heating box 1 through the two limiting wheels 303, the lifting rod 302 can extrude and limit the cable through the elastic force of the compression spring 304, and since the limiting wheels 303 are rotationally connected with the lifting rod 302 and the supporting rod 301, the movement of the cable into the heating box 1 is not affected, and the anti-disengagement rod 305 can ensure that the lifting rod 302 does not separate from the supporting rod 301, so that the lifting rod 302 is always on the supporting rod 301, and the limiting wheels 303 above the compression spring 304 always extrude the cable, so that the cable is limited, and the cable of different sizes can be conveniently limited.

[0026] Further, the driving mechanism 7 comprises the motor 701 fixedly connected to the side surface of the heating box 1, the transmission shaft of the motor 701 is fixedly connected with the driving gear 702, the surface of the rotating sleeve 6 is fixedly connected with the stress gear 703, when the cable enters the heating box 1, the motor 701 is started, the transmission shaft of the motor 701 drives the driving gear 702 to rotate, the driving gear 702 can drive the stress gear 703 meshed therewith to rotate, so that the stress gear 703 drives the rotating sleeve 6 to rotate, so that the limiting strips 8 on the rotating sleeve 6 can be conveniently rotated, and the cable can be uniformly heated.

[0027] Further, the surface of the limiting strip 8 is rotationally connected with the plurality of lubricating wheels 704, when the cable is surrounded by the plurality of limiting strips 8, the lubricating wheels 704 can reduce the friction between the cable and the limiting strip 8, so that the cable can smoothly move, and the limiting strip 8 can also smoothly rotate, so that the cable heating can be uniform.

[0028] Further, the plurality of limiting strips 8 are fixedly connected with the stabilizing ring 705, the surface of the stabilizing ring 705 is sleeved with the sleeve 706, one end of the sleeve 706 is fixedly connected with the interior of the adjacent heating box 1, when the cable is surrounded by the limiting strip 8, the stability of the limiting strip 8 can be increased through the stabilizing ring 705 and the sleeve 706, so that the limiting strip 8 is prevented from being inclined, and the limiting strip 8 can normally rotate.

[0029] In summary:

[0030] When the cable is subjected to ultraviolet irradiation crosslinking treatment, the cable needs to be heated first to ensure the effect of ultraviolet irradiation crosslinking treatment, at this time, one end of the cable needs to be passed through two limiting wheels 303 first, and then the cable is sent into the heating box 1 through the inlet and outlet groove 2, in this process, the two limiting wheels 303 can clamp the cable through the lifting rod 302 and the supporting rod 301, and the lifting rod 302 can also prevent the supporting rod 301 from being separated through the anti-dropping rod 305, the lifting rod 302 can extrude the cable through the elastic force of the compression spring 304 to ensure the stability of the cable, after the cable enters the heating box 1, it will be surrounded by a plurality of limiting strips 8, then the motor 701 is started, in the process of moving the cable through the limiting strip 8 to another inlet and outlet groove 2, the motor 701 can drive the driving gear 702 to rotate, and the driving gear 702 can drive the rotating sleeve 6 to rotate through the force gear 703, the rotating sleeve 6 rotates inside the auxiliary ring 5 fixed by the fixed rod 4, the limiting strip 8 rotates with the rotating sleeve 6, and can also increase the strength of the limiting strip 8 through the stabilizing ring 705 and the sleeve 706, so that the limiting strip 8 cannot easily be inclined, the lubricating wheel 704 can conveniently reduce the friction between the limiting strip 8 and the cable, so that the cable can conveniently move away from the heating box 1, and leave the heating box 1 through another inlet and outlet groove 2, thereby completing the heating of the cable. Through the above structure, when the cable needs to be heated to facilitate ultraviolet irradiation crosslinking treatment, the cable can be sent into the heating box 1 through the limiting of the limiting wheel 303, and then the cable is heated by the heating ring inside the heating box 1, in this process, the limiting strip 8 plays a role in bearing the cable entering the inside of the heating box 1, and the rotation of the limiting strip 8 can prevent the limiting strip 8 from affecting the heating efficiency and causing uneven heating of the surface of the cable without affecting the bearing effect, so that the cable can conveniently enter and leave the heating box 1, and the uniformity of heating the heating box 1 can be ensured, and the subsequent ultraviolet irradiation crosslinking treatment can be carried out normally.

[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A heating device for cable irradiation crosslinking equipment comprising a heating chamber (1), characterized in that, The surface of the heating box (1) is provided with two inlet and outlet grooves (2), one side of the heating box (1) is provided with a limiting mechanism (3), a plurality of fixed rods (4) are fixedly connected inside the heating box (1), a plurality of fixed rods (4) are fixedly connected with an auxiliary ring (5) between them, a rotating sleeve (6) is rotatably connected inside the auxiliary ring (5), a driving mechanism (7) is arranged between the rotating sleeve (6) and the heating box (1), and a plurality of limiting strips (8) are fixedly connected to the surface of the rotating sleeve (6).

2. The heating device for a cable irradiation crosslinking apparatus according to claim 1, wherein The limiting mechanism (3) comprises two support rods (301) fixedly connected to the side surface of the heating box (1), an L-shaped lifting rod (302) penetrating through the top of the support rod (301), and a limiting wheel (303) rotatably connected between the two lifting rods (302) and the two support rods (301).

3. A heating device for a cable irradiation crosslinking apparatus according to claim 2, wherein The lifting rod (302) is elastically connected with the top of the support rod (301) through a compression spring (304), and the bottom of the lifting rod (302) is fixedly connected with an anti-dropping rod (305).

4. The heating apparatus for a cable irradiation crosslinking apparatus according to claim 1, wherein The driving mechanism (7) comprises a motor (701) fixedly connected to the side surface of the heating box (1), a driving gear (702) fixedly connected to the transmission shaft of the motor (701), and a stress gear (703) fixedly connected to the surface of the rotating sleeve (6).

5. The heating apparatus for a cable irradiation crosslinking apparatus according to claim 1, wherein The surface of the limiting strip (8) is rotatably connected with a plurality of lubricating wheels (704).

6. The heating apparatus for a cable irradiation crosslinking apparatus according to claim 1, wherein A plurality of limiting strips (8) are fixedly connected with a stabilizing ring (705), the surface of the stabilizing ring (705) is sleeved with a sleeve (706), and one end of the sleeve (706) is fixedly connected with the inside of the adjacent heating box (1).

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