Tensioning mechanism for cable irradiation

Abstract

The utility model discloses a tensioning mechanism during cable irradiation in the technical field of cable irradiation devices, which comprises a base and a mounting frame arranged upwards perpendicular to the base, a first fixing seat is arranged at the top of the mounting frame, a second fixing seat is arranged in the middle of the mounting frame, and the first fixing seat and the second fixing seat are arranged in opposite directions from the mounting frame to the left side and the right side. A pay-off wheel I and a pay-off wheel II are respectively arranged on the fixed seat I and the fixed seat II; a fixing plate is arranged on the portion, between the first fixing base and the second fixing base, of the mounting frame, a telescopic air cylinder is arranged above the fixing plate, the telescopic air cylinder is connected with a telescopic rod towards the position below the fixing plate, the telescopic rod is sleeved with a movable base, and a tensioning wheel is arranged on the movable base. The tensioning mechanism can adapt to processing of cables of different materials and specifications, can tension the cables at different positions, avoids frequent replacement of the tensioning wheel, reduces the labor burden of workers, and improves the irradiation efficiency of the cables.

Description

Technical Field

[0001] The utility model relates to the technical field of cable irradiation devices, in particular to a tensioning mechanism for cable irradiation. Background Art

[0002] Cable irradiation is a manufacturing process that cross-links the insulation layer and sheath layer of wires and cables through electronic book irradiation technology. During the irradiation cross-linking process, the cables are properly tensioned, which plays an important role in their manufacturing and subsequent use. It can help the cables maintain a stable shape and structure, avoid deformation or distortion, reduce the possibility of loosening or sagging during installation and use, reduce the vibration or swing of the cables under the action of wind or other external forces, and improve the stability and safety of the cables.

[0003] Since the cable is wound on a pay-off drum, it is necessary to unwind the cable from the pay-off drum before irradiation. During the pay-off process, the cable will naturally sag due to its own weight, resulting in excessive relaxation of the cable.

[0004] A cable irradiation pay-out device has been published in the Chinese Patent Database, with announcement number: CN212712158U, announcement date: March 16, 2021. The device includes a support column arranged on the unwinder, and the support column is located on one side of the unwinder and is arranged in the vertical direction. A fixed plate is slidably connected to the support column along the length direction of the support column, and a tensioning wheel is rotatably connected to the fixed plate. A driving device for driving the fixed plate to move on the support column is provided on the support column. The fixed plate is driven by the driving mechanism to drive the tensioning wheel to move in the vertical direction along the support column, so as to tension the cable wound on the tensioning wheel. The shortcomings of this device are: first, only one tensioning wheel is attached to the unwinding machine to tension the loose cable, but during the irradiation process, the actual distance between the head and tail of the unwinding cable is very different, and the cable in the middle section also needs to be tensioned. The tensioning wheel is fixed in position, which results in the cable in the middle section not being able to be tensioned, affecting the overall production quality of the cable; second, the driving device in the device also includes a driving gear and a chain wound around the driving gear, one end of the chain is connected to the fixed plate, and the other end is connected to the driving gear. The driving gear rotates, driving the chain transmission to move the fixed plate and the tensioning wheel on the fixed plate up and down. The chain often needs maintenance during use, has a short service life, and has a high cost of use. In addition, the tensioning wheel in the existing tensioning device cannot adapt to the processing of cables of different materials and specifications, and needs to be frequently replaced or adjusted during use, resulting in low cable irradiation efficiency. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects in the prior art and provide a tensioning mechanism for cable irradiation, which can adapt to the processing of cables of different materials and specifications, can tension the cables at different positions, avoid frequent replacement of tensioning wheels, reduce the labor burden of workers, and improve the efficiency of cable irradiation.

[0006] The purpose of the utility model is achieved as follows: a tensioning mechanism for cable irradiation, comprising a base and a mounting frame arranged upwardly and perpendicularly to the base, a fixed seat 1 is arranged on the top of the mounting frame, a fixed seat 2 is arranged in the middle of the mounting frame, the fixed seat 1 and the fixed seat 2 are arranged in opposite directions to the left and right sides of the mounting frame, and a pay-off wheel 1 and a pay-off wheel 2 are respectively provided on the fixed seat 1 and the fixed seat 2; a fixed plate is provided on the mounting frame between the fixed seat 1 and the fixed seat 2, a telescopic cylinder is provided above the fixed plate, a telescopic rod is connected to the bottom of the fixed plate by the telescopic cylinder, a movable seat is sleeved on the telescopic rod, and a tensioning wheel is provided on the movable seat.

[0007] When the utility model is working, the cable to be irradiated is wound around the first pay-off wheel, the tensioning wheel and the second pay-off wheel in sequence. Under the action of the telescopic rod of the telescopic cylinder, the tensioning wheel on the movable seat is driven to move up and down along the mounting frame, and the position of the tensioning wheel is adjusted, thereby tightening or loosening the cable.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] First, the tensioning mechanism is arranged in the vertical direction as a whole, and occupies a small area on the cable irradiation line. The overall structure of the device is simple, easy to build and implement, and can be moved at any time according to the requirements of use to tension the cable at different positions, thereby improving the portability of the tensioning mechanism.

[0010] Second, the depth of the winding grooves on the tensioning wheel, pay-off wheel one and pay-off wheel two in the tensioning mechanism is 3 to 5 cm. The winding grooves have a certain depth and can be used to wind cables of different specifications, avoiding frequent replacement of tensioning wheels, saving production time, and improving cable irradiation efficiency.

[0011] Third, the tensioning wheel in the tensioning mechanism is driven by a telescopic cylinder, the control method is simple and reliable, the response speed is fast, the control is precise, the maintenance is convenient, and the use cost is low.

[0012] Furthermore, a shaft mounting hole is opened at the center of the pay-off wheel 1, the pay-off wheel 2 and the tensioning wheel, a bearing is fixedly provided on the inner wall surface of the shaft mounting hole, a rotating shaft is fixedly provided on the inner wall surface of the bearing, the rotating shafts of the pay-off wheel 1 and the pay-off wheel 2 extend out of the wheel body and are respectively connected to the fixed seat 1 and the fixed seat 2, and the rotating shaft of the tensioning wheel extends out of the wheel body and is connected to the movable seat.

[0013] Furthermore, the surfaces of the pay-off wheel 1, the pay-off wheel 2 and the tensioning wheel are all provided with through-type through grooves, and reinforcing ribs are provided between two adjacent through grooves. The circumferential surfaces of the pay-off wheel 1, the pay-off wheel 2 and the tensioning wheel are provided with winding grooves. The through grooves greatly reduce the weight of the wheel body itself, which is beneficial to reducing the kinetic inertia generated by the tensioning wheel during rotation.

[0014] Furthermore, a winding platform is provided at the bottom of the winding groove, and an anti-static gasket is installed on the winding platform. The depth of the winding groove is 3~5 cm; the winding groove has a certain depth, and cables of different specifications can be wound to avoid frequent replacement of tensioning wheels of different specifications; the anti-static gasket is used to prevent static electricity from being generated on the surface of the cable during the winding process, thereby ensuring production safety.

[0015] Furthermore, the air inlet and the air outlet of the telescopic cylinder are respectively connected to the pneumatic valve through pipelines, and the pneumatic valve is connected to the gas outlet of the compressed air pump through the pipeline.

[0016] Furthermore, the pay-off wheel 1, pay-off wheel 2 and tensioning wheel are made of ABS material; ABS material has good impact resistance, hard texture, and rigidity, and can improve the structural strength of a large-area hollow wheel body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0018] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0019] Figure 3 It is a schematic diagram of the use state of the utility model.

[0020] In the above figure, 1 is the base, 2 is the mounting frame, 3 is the fixing seat 1, 4 is the fixing seat 2, 5 is the pay-off wheel 1, 6 is the pay-off wheel 2, 7 is the fixing plate, 8 is the telescopic cylinder, 9 is the telescopic rod, 10 is the movable seat, 11 is the tensioning wheel, 12 is the rotating shaft, 13 is the through slot, 14 is the winding slot, 16 is the pneumatic valve, and 17 is the compressed air pump. DETAILED DESCRIPTION

[0021] like Figures 1 to 3A tensioning mechanism for cable irradiation shown in the figure comprises a base 1 and a mounting frame 2 which is arranged upwardly and perpendicularly to the base 1, a fixing seat 1 3 is arranged on the top of the mounting frame 2, a fixing seat 2 4 is arranged in the middle of the mounting frame 2, the fixing seat 1 3 and the fixing seat 2 4 are arranged in opposite directions to the left and right sides of the mounting frame 2, and a pay-off wheel 1 5 and a pay-off wheel 2 6 are respectively arranged on the fixing seat 1 3 and the fixing seat 2 4; a fixing plate 7 is arranged on the mounting frame 2 between the fixing seat 1 3 and the fixing seat 2 4, a telescopic cylinder 8 is arranged above the fixing plate 7, a telescopic rod 9 is connected to the bottom of the fixing plate 7, a movable seat 10 is sleeved on the telescopic rod 9, and a tensioning wheel 11 is arranged on the movable seat 10.

[0022] A shaft mounting hole is opened at the center of the pay-off wheel 1 5, the pay-off wheel 2 6 and the tensioning wheel 11, a bearing is fixedly provided on the inner wall surface of the shaft mounting hole, a rotating shaft 12 is fixedly provided on the inner wall surface of the bearing, the rotating shafts of the pay-off wheel 1 5 and the pay-off wheel 2 6 extend out of the wheel body and are respectively connected to the fixed seat 1 3 and the fixed seat 2 4, the rotating shaft 12 of the tensioning wheel 11 extends out of the wheel body and is connected to the movable seat 10.

[0023] The surfaces of the pay-off wheel 1 5, the pay-off wheel 2 6 and the tensioning wheel 11 are all provided with through-type through grooves 13, and reinforcing ribs are provided between two adjacent through grooves 13. The circumferential surfaces of the pay-off wheel 1 5, the pay-off wheel 2 6 and the tensioning wheel 11 are provided with winding grooves 14. The through grooves 13 greatly reduce the weight of the wheel body itself, which is beneficial to reducing the kinetic inertia generated by the tensioning wheel 11 during movement.

[0024] A winding platform is provided at the bottom of the winding groove 14, and an anti-static gasket is installed on the winding platform. The depth of the winding groove 14 is 3~5cm; the winding groove 14 has a certain depth, and cables of different specifications can be wound to avoid frequent replacement of tensioning wheels 11 of different specifications; the anti-static gasket is used to prevent static electricity from being generated on the surface of the cable during the winding process, thereby ensuring production safety.

[0025] The air inlet and the air outlet of the telescopic cylinder 8 are respectively connected to the pneumatic valve 16 through pipelines, and the pneumatic valve 16 is connected to the gas outlet of the compressed air pump 17 through the pipeline.

[0026] The first pay-off wheel 5, the second pay-off wheel 6 and the tension wheel 11 are made of ABS material; ABS material has good impact resistance, hard texture, and rigidity, which can improve the structural strength of the large-area hollow wheel body.

[0027] When the utility model is working, the cable to be irradiated is wound through the winding groove 14 on the pay-off wheel 1 5, the tensioning wheel 11 and the pay-off wheel 2 6 in sequence. The pay-off wheel 1 5 and the pay-off wheel 2 6 are fixed in position. The rotating shaft 12 of the tensioning wheel 11 is connected to the movable seat 10. The movable seat 10 is sleeved on the telescopic rod 9 of the telescopic cylinder 8. The air inlet and the air outlet of the telescopic cylinder 8 are respectively connected to the pneumatic valve 16 through pipelines. The pneumatic valve 16 is connected to the gas outlet of the compressed air pump 17 through the pipeline. When the cable is tensioned, the pneumatic valve 16 is controlled, and the pneumatic valve 16 takes air into the air inlet of the telescopic cylinder through the pipeline. After the high-pressure gas enters, it forms a driving force on the telescopic rod 9, which pushes the telescopic rod 9 to move up and down along the mounting frame 2, thereby driving the movable seat 10 and the tensioning wheel 11 installed on the movable seat 10 to move up and down, so that the tensioning wheel 11 reaches a height that can tension the cable. The control method of the telescopic cylinder 8 is simple and reliable, with fast response speed, precise control, convenient maintenance, and low cost. In addition, a through-type through slot 13 is provided on the surface of the tensioning wheel 11 of the tensioning mechanism, which greatly reduces the weight of the wheel body and makes the movement of the wheel body more flexible and controllable. In the tensioning mechanism, the pay-off wheel 1 5, the pay-off wheel 2 6 and the tensioning wheel 11 can be set in multiple according to the number of cable irradiation channels, such as Figure 2 As shown, a plurality of pay-off wheels 15, 6 and a tensioning wheel 11 are installed side by side on a rotating shaft 12, and the cables from different pay-off rollers are wound separately to perform a tensioning process. Pay-off wheels 15 and 6 are respectively arranged in front of and behind the tensioning wheel 11 to prevent the cables from directly slipping during the tensioning process, thereby ensuring effective cable tensioning.

[0028] In order to meet the needs of cable production, this tensioning mechanism can be used in a single group or in multiple groups connected in series on the irradiation line. Figure 3 As shown, the structure of the device is arranged in the vertical direction, and the area occupied on the cable irradiation line is small. The overall structure of the device is simple, easy to build and implement, and can be moved at any time according to the use requirements to tension the cable at different positions, thereby improving the portability of the tensioning mechanism. The device has a simple and reliable structure and is easy to repair and maintain, and is suitable for use in the cable irradiation tensioning process.

[0029] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A tensioning mechanism for cable irradiation, comprising a base and a mounting frame arranged upwardly and perpendicularly to the base, characterized in that: A fixing seat 1 is provided on the top of the mounting frame, a fixing seat 2 is provided in the middle of the mounting frame, the fixing seat 1 and the fixing seat 2 are arranged in opposite directions to the left and right sides of the mounting frame, and a pay-off wheel 1 and a pay-off wheel 2 are provided on the fixing seat 1 and the fixing seat 2 respectively; a fixing plate is provided on the mounting frame between the fixing seat 1 and the fixing seat 2, a telescopic cylinder is provided above the fixing plate, a telescopic rod is connected to the bottom of the fixing plate by the telescopic cylinder, a movable seat is sleeved on the telescopic rod, and a tensioning wheel is provided on the movable seat.

2. The tensioning mechanism for cable irradiation according to claim 1, characterized in that: A shaft mounting hole is provided at the center of the pay-off wheel 1, the pay-off wheel 2 and the tensioning wheel, a bearing is fixedly provided on the inner wall surface of the shaft mounting hole, a rotating shaft is fixedly provided on the inner wall surface of the bearing, the rotating shafts of the pay-off wheel 1 and the pay-off wheel 2 extend out of the wheel body and are respectively connected to the fixed seat 1 and the fixed seat 2, and the rotating shaft of the tensioning wheel extends out of the wheel body and is connected to the movable seat.

3. The tensioning mechanism for cable irradiation according to claim 2, characterized in that: The surfaces of the first pay-off wheel, the second pay-off wheel and the tensioning wheel are all provided with through-type through grooves, and reinforcing ribs are provided between two adjacent through grooves. The circumferential surfaces of the first pay-off wheel, the second pay-off wheel and the tensioning wheel are provided with winding grooves.

4. The tensioning mechanism for cable irradiation according to claim 3, characterized in that: A winding platform is provided at the bottom of the winding groove, an antistatic pad is installed on the winding platform, and the depth of the winding groove is 3-5 cm.

5. The tensioning mechanism for cable irradiation according to claim 1, characterized in that: The air inlet and the air outlet of the telescopic cylinder are respectively connected to the pneumatic valve through pipelines, and the pneumatic valve is connected to the gas outlet of the compressed air pump through the pipeline.

6. The tensioning mechanism for cable irradiation according to claim 1, characterized in that: The first pay-off wheel, the second pay-off wheel and the tensioning wheel are made of ABS material.

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