Cable harness internal stress eliminating equipment

By designing a combination of annular heating tubes and cooling cylinders, along with a rotating ring and pretreatment cylinder, the problems of uneven heating and improper cooling control during the heat treatment of cable harnesses were solved, achieving uniform heating and precise cooling of the cables, and improving the processing efficiency and performance of the cables.

CN223522617UActive Publication Date: 2025-11-07JIANGXI WANFENG CABLE CO LTD
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Patent Information

Application Number
CN202422950133.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-07
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing heat treatment methods may result in uneven heating and improper cooling control of cables, leading to a decline in cable material performance. Furthermore, traditional methods are space-consuming and have limited effectiveness.

Method used

A stress relief device for cable harnesses was designed. It uses a ring-shaped heating tube for uniform heating and a cooling cylinder for precise temperature control. Combined with the contact support of the rotating ring and the pretreatment cylinder, it ensures stable transmission and uniform processing of the cable during the heating and cooling process.

Benefits of technology

It achieves uniform heating and precise cooling of cables, avoiding stress and damage caused by uneven temperature, improving cable processing efficiency and performance, and ensuring the stability and electrical performance of cables after processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to internal stress eliminating equipment, and provides the internal stress eliminating equipment for the cable harness, which comprises a supporting seat, a supporting plate, a heating cylinder, a diverter valve, an annular heating pipe and the like, a supporting plate is fixedly connected to the supporting seat, a heating cylinder is horizontally and transversely arranged on the upper portion of the supporting plate, the heating cylinder is hollow, round holes are formed in the left end and the right end of the heating cylinder, two annular heating pipes are arranged on the inner wall of the heating cylinder, a plurality of heat flow outlets are formed in the inner sides of the annular heating pipes, and a flow dividing valve is arranged on the heating cylinder. According to the utility model, the annular heating pipe capable of uniformly heating the cable is arranged in the heating cylinder, so that the transmitted cable is uniformly heated to eliminate internal stress, and the cooling cylinder capable of accurately and linearly controlling the cooling temperature is arranged at the outlet of the heating cylinder to cool the heated cable; and the cable is ensured not to generate new stress or deformation due to sudden temperature drop in the cooling process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of internal stress relieving equipment, in particular to a kind of cable harness internal stress relieving equipment. BACKGROUND

[0002] As the key component of power transmission and signal transmission, cable harness is widely used in many industries such as machinery, electronics, communication, automobile manufacturing, etc. In the production and use process of cable harness, the existence of internal stress is a problem that cannot be ignored.

[0003] Internal stress includes compressive stress and tensile stress, which mainly comes from the processing of cable material, temperature change, external mechanical force and other factors. If these stresses are not effectively eliminated, it may lead to performance degradation of cable, damage to insulation layer, signal attenuation or even breakage, which seriously affects the normal operation and safety of equipment. Traditional stress relief methods include natural aging and heat treatment. Natural aging requires long-time placement of cable, which occupies a lot of space and has limited effect. Therefore, heat treatment method is often used. However, the existing heat treatment method may cause performance degradation of cable material due to uneven heating of cable during heating, improper cooling temperature control after heating, etc. SUMMARY

[0004] In order to overcome the shortcomings of the existing heat treatment method for eliminating stress, which may cause performance degradation of cable material due to uneven heating of cable during heating, improper cooling control after heating, etc., the technical problem to be solved is to provide a device for eliminating internal stress of cable harness, which uniformly heats the cable and provides a cooling component for accurately controlling the temperature.

[0005] The technical solution is: a cable harness internal stress relieving equipment, comprising a support seat, a support plate, a heating cylinder, a flow divider, an annular heating pipe, a mounting seat one, a cooling cylinder, a temperature control component and a cold flow pipe. The support plate is fixedly connected to the support seat. The heating cylinder is horizontally arranged on the upper part of the support plate. The heating cylinder is hollow inside. Two annular heating pipes are arranged on the inner wall of the heating cylinder. A plurality of hot flow outlets are arranged on the inner side of the annular heating pipe. The flow divider is arranged on the heating cylinder. The annular heating pipe is connected to the flow divider through a pipeline. The mounting seat one is arranged on the left upper part of the support seat. The cooling cylinder is horizontally arranged on the front end of the mounting seat one. The cooling cylinder is coaxial with the heating cylinder. The cooling cylinder has a cavity inside. Two circular holes are arranged on the two ends of the cooling cylinder, which are connected to the cavity. The cold flow pipe is arranged on the left upper part of the support seat. The temperature control component is connected to and communicated with the cold flow pipe. The temperature control component is communicated with the inside of the cooling cylinder through a pipeline.

[0006] In addition, particularly preferably, a fixing seat, a motor and a rotating ring are further included, the fixing seat is mounted in the left part of the heating cylinder, the motor is arranged on the fixing seat, the output shaft of the motor is provided with the rotating ring, the rotating ring is arranged in the concentric position of the circular hole of the heating cylinder, wherein, the two fixing seats are arranged perpendicularly, when the rotating ring is rotated by the motor of the two fixing seats, the rotating directions of the two rotating rings are front and back rotation and left and right rotation respectively, and the cable is sequentially threaded through the two rotating rings before being threaded out of the cooling cylinder.

[0007] In addition, particularly preferably, a fixing seat, a motor and a rotating ring are further included, the fixing seat is mounted in the left part of the heating cylinder, the motor is arranged on the fixing seat, the output shaft of the motor is provided with the rotating ring, the rotating ring is arranged in the concentric position of the circular hole of the heating cylinder, wherein, the two fixing seats are arranged perpendicularly, when the rotating ring is rotated by the motor of the two fixing seats, the rotating directions of the two rotating rings are front and back rotation and left and right rotation respectively, and the cable is sequentially threaded through the two rotating rings before being threaded out of the cooling cylinder.

[0008] In addition, particularly preferably, a fixing seat, a motor and a rotating ring are further included, the fixing seat is mounted in the left part of the heating cylinder, the motor is arranged on the fixing seat, the output shaft of the motor is provided with the rotating ring, the rotating ring is arranged in the concentric position of the circular hole of the heating cylinder, wherein, the two fixing seats are arranged perpendicularly, when the rotating ring is rotated by the motor of the two fixing seats, the rotating directions of the two rotating rings are front and back rotation and left and right rotation respectively, and the cable is sequentially threaded through the two rotating rings before being threaded out of the cooling cylinder.

[0009] In addition, particularly preferably, a fixing seat, a motor and a rotating ring are further included, the fixing seat is mounted in the left part of the heating cylinder, the motor is arranged on the fixing seat, the output shaft of the motor is provided with the rotating ring, the rotating ring is arranged in the concentric position of the circular hole of the heating cylinder, wherein, the two fixing seats are arranged perpendicularly, when the rotating ring is rotated by the motor of the two fixing seats, the rotating directions of the two rotating rings are front and back rotation and left and right rotation respectively, and the cable is sequentially threaded through the two rotating rings before being threaded out of the cooling cylinder.

[0010] The cable is sequentially threaded through the two rotating rings before being threaded out of the cooling cylinder.

[0011] The cable is sequentially threaded through the two rotating rings before being threaded out of the cooling cylinder.

[0012] The utility model discloses a pretreatment cylinder is set up to the cable contact type preheating, the cable is uniformly heated, and the subsequent heat treatment efficiency of heating cylinder is convenient for the promotion, simultaneously, the impurity that sticks to the cable surface is removed through contact, and is discharged outside equipment through the chip removal device, and the cable surface is kept clean. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the sectional view of the utility model.

[0015] Figure 3 It is the sectional view of the heat treatment mechanism of the utility model.

[0016] Figure 4 It is the three-dimensional structure schematic diagram of the adjusting mechanism of the utility model.

[0017] Figure 5 It is the sectional view of the chip removal mechanism and the pretreatment mechanism of the utility model.

[0018] Figure 6 It is the exploded view of the fixed frame, spring and contact plate of the utility model.

[0019] In the figure, 1 is a support seat, 2 is a support plate, 3 is a heating cylinder, 31 is a shunt valve, 32 is an annular heating pipe, 4 is a mounting seat one, 41 is a cooling cylinder, 42 is a temperature control piece, 43 is a cold flow pipe, 5 is a mounting seat two, 51 is a through-flow pipe, 52 is a cold treatment cylinder, 6 is a fixed seat, 61 is a motor, 62 is a rotating ring, 7 is a mounting seat three, 71 is a pretreatment cylinder, 72 is a fixed frame, 721 is a spring, 722 is a contact plate, 8 is a bellows, 81 is a suction pipe, 82 is a chip removal pipe. DETAILED DESCRIPTION

[0020] The following described only the preferred embodiment of the utility model, and does not therefore limit the protection scope of the utility model.

[0021] Example 1: a cable harness internal stress relief device, such as Figures 1-3As shown, including: support seat 1, support seat 1 is fixedly connected with support plate 2, support plate 2 upper horizontal transverse heating cylinder 3 is equipped, heating cylinder 3 inside is hollow setting, heating cylinder 3 left and right two ends are opened for cable shuttle round hole, its inner wall is equipped with two annular heating pipe 32, annular heating pipe 32 inside is equipped with several hot stream export, these hot stream export annular arrangement is on annular heating pipe 32, heating cylinder 3 is equipped with shunt valve 31, annular heating pipe 32 is connected with shunt valve 31 through pipeline, through shunt valve 31 realizes the uniform distribution of hot flow, shunt valve 31 is equipped with the joint that can be connected with external hot flow manufacturing equipment, wherein, heating cylinder 3 cylinder adopts the material that the heat preservation performance is good and is made, and its internal space is smaller, when heat treatment, the heat loss caused by itself is smaller, support seat 1 left upper part is equipped with mounting seat one 4, mounting seat one 4 front end horizontal transverse cooling cylinder 41 is equipped with, cooling cylinder 41 and heating cylinder 3 are at the same horizontal line on the coaxial place, cooling cylinder 41 inside is equipped with cavity, its two ends are opened with the round hole that communicates with cavity, when cable wiring, will from the penetration heating cylinder 3, and left through two annular heating pipe 32, left penetration cooling cylinder 41 inside, support seat 1 left upper part is equipped with cold flow pipe 43, cold flow pipe 43 inside transmission cooling gas, cold flow pipe 43 is connected and communicated with temperature control piece 42, temperature control piece 42 is communicated with cooling cylinder 41 inside through pipeline, cooling gas is injected into cooling cylinder 41 after being regulated by temperature control piece 42;

[0022] Specifically, when wiring, the cable is conveyed through the front and rear transmission equipment of the device, the section of the cable passing through the device should be in a straightened state, and the cable moves slowly during transmission. The heat flow in the annular heating pipe 32 slowly heats the cable to a certain temperature, causing the metal inside the cable to relax, i.e., internal partial plastic deformation or relaxation process, allowing the residual stress to relax. Subsequently, the cable is continuously transmitted to the right to the cooling cylinder 41, and the cable is slowly cooled by the cooling medium to prevent new residual stress from being generated.

[0023] Example 2: Based on example 1, as Figure 1 、 Figure 2 、 Figure 5 and Figure 6As shown, further comprising: the mounting seat three 7 on the left upper part of the support seat is provided with a pretreatment cylinder 71, and the pretreatment cylinder 71 is uniformly provided with not less than three fixed frames 72 in the pretreatment cylinder 71, the fixed frames 72 are horizontally arranged, and the contact plates 722 in contact with the surface of the cable are slidingly arranged in the fixed frames 72, the contact plates 722 are composed of a heating element and a contact block, the contact block has good heat conduction performance and will not generate large friction with the cable, the contact plates 722 are elastically connected with the fixed frames 72 through springs 721, the slidingly displaceable contact plates 722 can be suitable for cable processing within a certain diameter interval and are beneficial to continuous contact with the cable, the contact plates 722 are used for contact type preheating of the passing cable, uniform heating of the cable is realized, the heat treatment efficiency in the subsequent heating cylinder is improved, and at the same time, in the pretreatment process, the contact plates 722 can also remove impurities adhered to the surface of the cable due to continuous friction and extrusion. In order to keep the pretreatment cylinder 71 clean, the support seat 1 is provided with a suction pipe 81 penetrating the right upper part, and the suction pipe 81 is in communication with a wind box 8 mounted on the mounting seat three 7, the wind box 8 is provided with a scrap removal pipe 82 arranged around the outer side of the pretreatment cylinder 71 and in communication with the internal space of the pretreatment cylinder 71, the suction pipe 81 is connected with a dust removal device outside, and when the dust removal device works, the wind box 81 makes the scrap removal pipe 82 generate negative pressure, so that the removed impurities are discharged out of the equipment through the scrap removal pipe 82 and the wind box 8, thereby ensuring the cleanliness of the cable surface before entering the subsequent heating treatment.

[0024] In a preferred embodiment, as shown in Figures 1-2 As shown, further comprising: the mounting seat two 5 is fixedly arranged on the left side of the support seat 1, and the mounting seat two 5 is provided with a cold treatment cylinder 52 at the front part, the cold treatment cylinder 52 is similar in design to the cooling cylinder 41 and is kept on the same horizontal line as the cooling cylinder 41, so as to ensure the continuity and consistency of the cable treatment, and the mounting seat two 5 is provided with a through-flow pipe 51 penetrating the rear part, the pipe is responsible for conveying a temperature medium close to room temperature into the cold treatment cylinder 52, when the cable passes through the previous treatment steps and enters the cold treatment cylinder 52 for final treatment, at this time, the temperature medium introduced by the through-flow pipe 51 treats the cable, so that the temperature of the cable is smoothly transitioned to close to room temperature, thereby completing the fine control of the whole cable treatment process, through the cooling treatment of the cold treatment cylinder 52, the large pressure difference between the external temperature and the treated cable is avoided, thereby preventing the cable from being damaged or deformed due to sharp temperature change, affecting the performance and service life of the cable, and ensuring that the cable can maintain a stable physical state and excellent electrical performance after treatment.

[0025] In a preferred embodiment, as shown in Figures 2-4As shown, further comprising: the left part of the heating cylinder 3 is provided with a fixed seat 6, the fixed seat 6 is provided with a motor 61, the output shaft of the motor 61 is provided with a rotating ring 62, the rotating ring 62 is in concentric position with the circular hole on the heating cylinder 3, the cable needs to pass through the two rotating rings 62 in sequence before passing out from the cooling cylinder 41, wherein the two fixed seats 6 are arranged vertically, when the two rotating rings 62 are rotated by the motor 61 on the two fixed seats 6, the rotating directions of the two rotating rings 62 are forward-backward rotation and left-right rotation respectively, for details, refer to Figure 4 By setting the rotating ring 62 in the heating cylinder 3 which can contact the cable in transmission, when the cable eliminates stress, the rotating ring 62 is used for dynamic support and guidance, which not only ensures the stable transmission of the cable in the heating cylinder 3, but also realizes effective contact of the cable with different diameters through the rotation of the two rotating rings 62 with different rotating directions, reduces the friction between the cable and the inner wall of the heating cylinder 3, and avoids additional stress or damage caused by friction.

[0026] It should be understood that the embodiments are only used for illustrating the present application and not for limiting the scope of the present application. In addition, it should be understood that after reading the content taught by the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. A cable harness internal stress relief device, comprising a support seat (1) and a support plate (2), the support plate (2) being fixedly connected to the support seat (1); The application is characterized in that It also comprises a heating cylinder (3), a flow divider (31), an annular heating pipe (32), a mounting seat one (4), a cooling cylinder (41), a temperature control piece (42) and a cold flow pipe (43), the heating cylinder (3) is horizontally arranged on the upper part of the support plate (2), the inside of the heating cylinder (3) is hollow, and circular holes are formed at the left and right ends of the heating cylinder (3), the inner wall of the heating cylinder (3) is provided with two annular heating pipes (32), the inner side of each annular heating pipe (32) is provided with a plurality of hot flow outlets, the heating cylinder (3) is provided with a flow divider (31), and the annular heating pipes (32) are connected with the flow divider (31) through pipelines, the mounting seat one (4) is arranged on the upper left part of the support seat (1), the cooling cylinder (41) is horizontally arranged on the front end of the mounting seat one (4), the cooling cylinder (41) is coaxial with the heating cylinder (3), the inside of the cooling cylinder (41) is provided with a cavity, and circular holes are formed at the two ends of the cooling cylinder (41) and communicate with the cavity, the cold flow pipe (43) is arranged on the upper left part of the support seat (1), the temperature control piece (42) is connected and communicated with the cold flow pipe (43), and the temperature control piece (42) is communicated with the inside of the cooling cylinder (41) through a pipeline; when the cable is laid, the cable will pass into the heating cylinder (3) and pass through the two annular heating pipes (32) to the left, and then pass out of the heating cylinder (3) and pass into the cooling cylinder (41) to the left.

2. A cable harness internal stress relief apparatus according to claim 1, characterized by: It also comprises a mounting seat two (5), a cold treatment cylinder (52) and a through flow pipe (51), the mounting seat two (5) is fixedly arranged on the left side of the support seat (1), the cold treatment cylinder (52) is arranged on the front part of the mounting seat two (5), the cold treatment cylinder (52) has the same structure as the cooling cylinder (41) and is arranged on the same horizontal line, and the through flow pipe (51) is arranged on the rear part of the mounting seat two (5) and is communicated with the inside of the cold treatment cylinder (52) through a pipeline.

3. A cable harness internal strain relief device according to claim 2, characterized in that: It also comprises a fixing seat (6), a motor (61) and a rotating ring (62), the fixing seat (6) is arranged on the left part in the heating cylinder (3), the motor (61) is arranged on the fixing seat (6), the output shaft of the motor (61) is provided with the rotating ring (62), and the rotating ring (62) is coaxial with the circular hole in the heating cylinder (3), wherein the two fixing seats (6) are arranged perpendicularly, and when the motor (61) drives the rotating ring (62) to rotate, the rotating directions of the two rotating rings (62) are forward-backward rotation and left-right rotation, respectively, and the cable needs to pass through the two rotating rings (62) in sequence before passing out of the cooling cylinder (41).

4. A cable harness internal strain relief device according to claim 3, characterized in that: It also comprises Have installation seat three (7), preprocessing cylinder (71), fixed frame (72), spring (721) and contact plate (722), support seat (1) left upper part fixedly connected with installation seat three (7), installation seat three (7) front end horizontal transverse preprocessing cylinder (71) is equipped with, preprocessing cylinder (71) is evenly provided with not less than three fixed frame (72) interval, fixed frame (72) all are transversely arranged, fixed frame (72) inside all are slidably provided with contact plate (722), contact plate (722) all are elastically connected with fixed frame (72) through spring (721).

5. A cable harness internal strain relief device according to claim 4, characterized in that: Also including wind box (8), pumping pipe (81) and scrap pipe (82), support seat (1) right upper part transversely through pumping pipe (81), installation seat three (7) are fixedly provided with wind box (8), wind box (8) is communicated with pumping pipe (81), wind box (8) front part is provided with scrap pipe (82), scrap pipe (82) is arranged around preprocessing cylinder (71) outside, and with preprocessing cylinder (71) interior space is communicated.