Automobile nylon pipe heating bent pipe structure

By automating the design of the nylon tube heating module and the tube bending module, the problems of high jig investment and complicated operation in the traditional nylon tube forming process are solved, realizing fully automatic heating and bending of automotive nylon tubes, reducing labor costs and improving the degree of automation.

CN120963005APending Publication Date: 2025-11-18NANTONG XUNZHILAI EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511250724.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-03
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Traditional automotive nylon tube molding processes involve high costs for molds, are cumbersome to operate, and have a low degree of automation.

Method used

It adopts a structure that includes a nylon tube heating module and a tube bending module. It uses a mechanical gripping arm and an automatic tube bending module for heating and bending, eliminating water cooling and using air cooling. The fully automatic heating and loading/unloading are achieved through an electric heating box opening and closing drive module and a tube positioning module.

Benefits of technology

It reduces manual labor and labor intensity, enables automated molding, covers the entire heating area of ​​automotive nylon tubing, and provides a basis for bending operations.

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Abstract

The invention relates to an automobile nylon pipe heating and bending structure. The automobile nylon pipe heating and bending structure is characterized by comprising a nylon pipe heating module and a nylon pipe bending module; in the heating and bending process of the automobile nylon pipe, feeding is conducted through the mechanical grabbing arm; a pipe bending mould is omitted, an automatic pipe bending die is adopted for pipe bending, water cooling is omitted, and air cooling is adopted; manual work is greatly reduced, the labor intensity is reduced, and automatic forming is achieved; an electric heating box unit is placed through an obliquely arranged heating frame, the electric heating box unit is opened or closed through an electric heating box opening and closing driving module, and meanwhile pipe body positioning modules are arranged at the two ends of the electric heating box unit to clamp a pipe body; full-automatic heating, taking and placing of the automobile nylon pipe are achieved, the heating range can cover the whole area of the whole automobile nylon pipe, and a heating operation foundation is provided for subsequent bending operation.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile production, and in particular to a heating and bending structure for automobile nylon pipes. BACKGROUND

[0002] With the rapid development of science and technology and the increasingly fierce market competition, competition is everywhere in modern society, and product quality and yield are the fundamental guarantee for enterprises to stand firm in the fierce market competition. The current forming process of automobile nylon pipes is as follows: first, the straight pipe cut to a fixed length is manually inserted into a nylon pipe forming mold after being manually inserted into a core, and then is placed into a heating furnace for plasticizing, and then the product after heating is placed into a spraying room for cooling, and after cooling, the finished pipe is taken out from the mold. The nylon pipe forming process has a large investment in mold, labor and energy costs. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a heating and bending structure for automobile nylon pipes, which can solve the problems of high investment in molds, complicated operation and low automation degree in the traditional nylon pipe bending forming process.

[0004] To solve the above technical problems, the technical scheme of the present application is as follows: a heating and bending structure for automobile nylon pipes, which is characterized in that: it comprises a nylon pipe heating module and a nylon pipe bending module; one side of the nylon pipe heating module is provided with a mechanical grabbing arm for grabbing and placing the heated nylon pipe on the nylon pipe bending module; The nylon pipe heating module comprises a heating frame, an electric heating box group, a pipe body positioning module and an electric heating box opening and closing driving module; the electric heating box group comprises a plurality of electric heating box units, and the electric heating box units are arranged on the heating frame; the pipe body positioning module is arranged at both ends of each electric heating box unit and is used for clamping the pipe body placed in the electric heating box unit; and the electric heating box opening and closing driving module is used for driving the electric heating box unit to open or close. The nylon pipe bending module is arranged on the support base plate on one side of the nylon pipe heating module; the nylon pipe bending module comprises a first bending pipe frame, a second bending pipe frame and a third bending pipe frame; the first bending pipe frame is provided with a first fixed bending pipe mold, a first movable bending pipe mold and a first bending pipe cylinder; the first fixed bending pipe mold is fixedly installed on the upper surface of the first bending pipe frame, the first movable bending pipe mold is installed on the output end of the first bending pipe cylinder, and the first movable bending pipe mold is driven by the first bending pipe cylinder to cooperate with the first fixed bending pipe mold to realize first press bending of the nylon straight pipe; the second bending pipe frame is arranged on one side of the first bending pipe frame; the second bending pipe frame is provided with a second fixed bending pipe mold, a second movable bending pipe mold and a second bending pipe cylinder; the second fixed bending pipe mold is fixedly installed on the upper surface of the second bending pipe frame, and the second movable bending pipe mold is installed on the output end of the second bending pipe cylinder; the second movable bending pipe mold is driven by the second bending pipe cylinder to cooperate with the second fixed bending pipe mold to realize second press bending of the nylon straight pipe; the third bending pipe frame is arranged on one side of the second bending pipe frame; the third bending pipe frame is provided with a third fixed bending pipe mold, a fourth fixed bending pipe mold, a third movable bending pipe mold, a fourth movable bending pipe mold and a fifth movable bending pipe mold; the third movable bending pipe mold, the fourth movable bending pipe mold and the fifth movable bending pipe mold are respectively driven by a third bending pipe cylinder, a fourth bending pipe cylinder and a fifth bending pipe cylinder; the third movable bending pipe mold is driven by the third bending pipe cylinder to cooperate with the third fixed bending pipe mold to realize third press bending of the nylon straight pipe; the fourth movable bending pipe mold and the fifth movable bending pipe mold are simultaneously pressed toward the fourth fixed bending pipe mold by the fourth bending pipe cylinder and the fifth bending pipe cylinder respectively, to realize fourth press bending of the nylon straight pipe.

[0005] Further, the support base plate is provided with a jet cooling support structure on one side of the first bending pipe frame, the jet cooling support structure is used for supporting a jet pipe connected with a gas source, and the output of the jet pipe is aligned with the end of the nylon bending pipe, for air cooling of the nylon bending pipe formed by heating and bending; each fixed bending pipe mold and each movable bending pipe mold in the bending pipe module are of a profiling structure.

[0006] Further, the heating frame is in the shape of a right triangle, comprising a bottom frame, a side frame and an inclined frame; the bottom frame is in the shape of a rectangle and is arranged horizontally, and the side frame is arranged vertically on one end of the bottom frame along the vertical direction; the inclined frame is connected obliquely to the top end of the side frame and one side of the bottom frame; the inclined frame is provided with a mounting plate for placing a group of electric heating boxes, and the mounting plate is provided with through holes for accommodating the output ends of the electric heating box opening and closing driving modules; one sliding rail is arranged on the surface of the mounting plate near each end, and the sliding rails are parallel to each other; the electric heating box units are installed on the sliding rails; the pipe body positioning module is installed on the inclined frame outside the mounting plate and corresponds to both ends of each electric heating box unit; the electric heating box opening and closing driving module is installed on the back of the mounting plate.

[0007] Further, the electric heating box unit comprises a fixed heating box body and a movable heating box body; a heating cavity for accommodating a pipe body is arranged in the fixed heating box body and the movable heating box body, and the heating cavity penetrates through two ends of the electric heating box unit; the fixed heating box body is fixed on a sliding rail, the movable heating box body is installed on the sliding rail through a sliding block, and the movable heating box body is driven to cooperate with the fixed heating box body to realize clamping and heating of the pipe body through the electric heating box opening and closing driving module; and an output end of the electric heating box opening and closing driving module is connected with the movable heating box body through a through hole in the mounting plate.

[0008] Further, the pipe body positioning module comprises a positioning cylinder and a positioning plate; the positioning cylinder is installed on an inclined frame, and the positioning plate is installed on an output end of the positioning cylinder; the pipe body placed in the electric heating box unit is clamped at two ends through driving of the positioning cylinder.

[0009] Further, the electric heating box opening and closing driving module comprises a driving cylinder and a connecting plate; the driving cylinder is installed on the back surface of the mounting plate; the connecting plate is installed on an output end of the driving cylinder, and the connecting plate is connected to the movable heating box body through the through hole in the mounting plate.

[0010] The present application has the following advantages: 1) In the present application, only the cut nylon pipe needs to be placed in the operating range of the mechanical arm during heating and bending of the automobile nylon pipe; the mechanical grabbing arm is used for feeding; the pipe bending fixture is cancelled, the automatic pipe bending mold is used for pipe bending, and the water cooling is cancelled, and the air cooling is used; the labor is greatly reduced, the labor intensity is reduced, and the automatic forming is realized; in addition, the electric heating box unit is placed on the inclined heating frame, the electric heating box unit is opened or closed through the electric heating box opening and closing driving module, and the pipe body positioning module is arranged at two ends of the electric heating box unit to clamp the pipe body; the structure realizes full-automatic heating and taking and placing of the automobile nylon pipe, the heating range can cover the whole area of the automobile nylon pipe, and provides a heating operation basis for subsequent bending operation. BRIEF DESCRIPTION OF DRAWINGS

[0011] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0012] Figure 1 It is a schematic diagram of the automobile nylon pipe heating and bending structure of the present application.

[0013] Figure 2 It is a perspective view of the nylon pipe heating module of the automobile nylon pipe heating and bending structure of the present application.

[0014] Figure 3 It is a sectional view of the nylon pipe heating module of the automobile nylon pipe heating and bending structure of the present application.

[0015] Figure 4 Figure 9 is another perspective view of the nylon pipe heating module of the automobile nylon pipe heating and bending structure according to the present application.

[0016] Figure 5 Figure 10 is a structural view of the nylon pipe bending module of the automobile nylon pipe heating and bending structure according to the present application. DETAILED DESCRIPTION

[0017] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0019] As shown in Figures 1 to 5 Figure 1 is a perspective view of an automobile nylon pipe heating and bending structure according to the present application, which comprises a nylon pipe heating module 1 and a nylon pipe bending module 2. One side of the nylon pipe heating module 1 is provided with a mechanical grabbing arm 3 for grabbing and placing the heated nylon pipe on the nylon pipe bending module 2.

[0020] The nylon pipe heating module 1 comprises a heating frame 11, an electric heating box group 12, a pipe body positioning module 13 and an electric heating box opening and closing driving module 14. The electric heating box group 12 comprises a plurality of electric heating box units 121, and the electric heating box units 121 are arranged on the heating frame 11. The pipe body positioning module 13 is arranged at both ends of each electric heating box unit 121 for clamping the pipe body placed in the electric heating box unit 121. The electric heating box opening and closing driving module 14 is used for driving the electric heating box unit 121 to open or close.

[0021] The nylon pipe bending module 2 is arranged on the support base plate on one side of the nylon pipe heating module 1; the nylon pipe bending module 2 comprises a first bending pipe frame 21, a second bending pipe frame 22 and a third bending pipe frame 23; the first bending pipe frame 21 is provided with a first fixed bending pipe die 211, a first movable bending pipe die 212 and a first bending pipe cylinder 213; the first fixed bending pipe die 211 is fixedly installed on the upper surface of the first bending pipe frame 21, the first movable bending pipe die 212 is installed on the output end of the first bending pipe cylinder 123, and the first movable bending pipe die 212 is driven by the first bending pipe cylinder 213 to cooperate with the first fixed bending pipe die 211 to realize the first press bending of the nylon straight pipe; the second bending pipe frame 22 is arranged on one side of the first bending pipe frame 21; the second bending pipe frame 22 is provided with a second fixed bending pipe die 221, a second movable bending pipe die 222 and a second bending pipe cylinder 223; the second fixed bending pipe die 221 is fixedly installed on the upper surface of the second bending pipe frame 22, the second movable bending pipe die 222 is installed on the output end of the second bending pipe cylinder 223, and the second movable bending pipe die 222 is driven by the second bending pipe cylinder 223 to cooperate with the second fixed bending pipe die 221 to realize the second press bending of the nylon straight pipe; the third bending pipe frame 23 is arranged on one side of the second bending pipe frame 22; the third bending pipe frame 23 is provided with a third fixed bending pipe die 231, a fourth fixed bending pipe die 232, a third movable bending pipe die 233, a fourth movable bending pipe die 234 and a fifth movable bending pipe die 235; the third movable bending pipe die 233, the fourth movable bending pipe die 234 and the fifth movable bending pipe die 235 are respectively driven by a third bending pipe cylinder, a fourth bending pipe cylinder and a fifth bending pipe cylinder; the third movable bending pipe die 233 is driven by the third bending pipe cylinder to cooperate with the third fixed bending pipe die 231 to realize the third press bending of the nylon straight pipe; the fourth movable bending pipe die 234 and the fifth movable bending pipe die 235 are simultaneously pressed to the fourth fixed bending pipe die 232 by the fourth bending pipe cylinder and the fifth bending pipe cylinder respectively, to realize the fourth press bending of the nylon straight pipe.

[0022] A jet cooling support structure is arranged on the support base plate on one side of the first bending pipe frame, the jet cooling support structure is used for supporting a jet pipe connected with an air source, and the output of the jet pipe is aligned with the end of the nylon bending pipe, for air cooling the nylon bending pipe formed by heating and bending; each fixed bending pipe die and each movable bending pipe die in the bending pipe module are of a profiling structure.

[0023] The heating frame 11 is in the shape of a right triangle, comprising a bottom frame, a side frame and an inclined frame; the bottom frame is in the shape of a rectangle and is arranged horizontally, the side frame is arranged vertically at one end of the bottom frame along the vertical direction; the inclined frame is connected obliquely at the top end of the side frame and one side of the bottom frame; the inclined frame is provided with a mounting plate 111 for placing the electric heating box group 12, and the mounting plate 111 is provided with a through hole for accommodating the output end of the electric heating box opening and closing driving module 14; a sliding rail 112 is arranged on the surface of the mounting plate 111 near the two ends respectively, and the sliding rails 112 are parallel to each other; the electric heating box unit 121 is installed on the sliding rail 112; the pipe positioning module 13 is installed on the inclined frame outside the mounting plate and corresponds to the two ends of each electric heating box unit 121; the electric heating box opening and closing driving module 14 is installed on the back of the mounting plate 111.

[0024] The electric heating box unit 121 comprises a fixed heating box body 122 and a movable heating box body 123; the fixed heating box body 122 and the movable heating box body 123 are both provided with a heating cavity for accommodating the pipe body, and the heating cavity penetrates through the two ends of the electric heating box unit 121; the fixed heating box body 122 is fixed on the sliding rail 112, and the movable heating box body 123 is installed on the sliding rail 112 through a sliding block, and the movable heating box body 123 is driven by the electric heating box opening and closing driving module 14 to cooperate with the fixed heating box body 122 to realize clamping and heating of the pipe body; the output end of the electric heating box opening and closing driving module 14 is connected with the movable heating box body 123 through the through hole on the mounting plate 111.

[0025] The pipe positioning module 13 comprises a positioning cylinder 131 and a positioning plate 132; the positioning cylinder 131 is installed on the inclined frame, and the positioning plate 132 is installed on the output end of the positioning cylinder 131; the positioning plate 132 is driven by the positioning cylinder 131 to clamp the two ends of the pipe body placed in the electric heating box unit 121.

[0026] The electric heating box opening and closing driving module 14 comprises a driving cylinder 141 and a connecting plate 142; the driving cylinder 141 is installed on the back of the mounting plate 111; the connecting plate 142 is installed on the output end of the driving cylinder 141, and the connecting plate 142 is connected to the movable heating box body 123 through the through hole on the mounting plate 111.

[0027] The working principle of the present application is: in the present application, only the cut nylon pipe needs to be placed in the operating range of the mechanical arm in the heating and bending of the automobile nylon pipe; the mechanical grabbing arm is used for feeding; the pipe bending fixture is cancelled, the automatic pipe bending mold is used for pipe bending, the water cooling is cancelled, and the air cooling is used; the manual labor is greatly reduced, the labor intensity is reduced, and the automatic forming is realized; in addition, the heating frame is arranged to place the electric heating box unit, the electric heating box unit is opened or closed through the electric heating box opening and closing driving module, and the pipe body positioning module is arranged at both ends of the electric heating box unit to clamp the pipe body; the structure realizes the full-automatic heating and taking and placing of the automobile nylon pipe, the heating range can cover the whole area of the automobile nylon pipe, and provides a heating operation basis for subsequent bending operation.

[0028] Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A heating and bending structure for automotive nylon tubing, characterized in that: It includes a nylon tube heating module and a nylon tube bending module; a mechanical gripping arm is provided on one side of the nylon tube heating module for gripping the heated nylon tube and placing it on the nylon tube bending module; The nylon tube heating module includes a heating frame, an electric heating box assembly, a tube positioning module, and an electric heating box opening and closing drive module. The electric heating box assembly includes several electric heating box units, which are mounted on the heating frame. The tube positioning module is located at both ends of each electric heating box unit and is used to clamp the tube placed inside the electric heating box unit. The electric heating box opening and closing drive module is used to drive the electric heating box unit to open or close. The nylon tube bending module is mounted on a support base plate on one side of the nylon tube heating module; The nylon tube bending module includes a first bending frame, a second bending frame, and a third bending frame. The first bending frame is equipped with a first fixed bending die, a first movable bending die, and a first bending cylinder. The first fixed bending die is fixedly installed on the upper surface of the first bending frame, and the first movable bending die is installed on the output end of the first bending cylinder. The first bending cylinder drives the first movable bending die to cooperate with the first fixed bending die to achieve the first bending of the nylon straight tube. The second bending frame is located on one side of the first bending frame. The second bending frame is equipped with a second fixed bending die, a second movable bending die, and a second bending cylinder. The second fixed bending die is fixedly installed on the upper surface of the second bending frame, and the second movable bending die is installed on the output end of the second bending cylinder. The second bending is achieved by driving the first movable bending die to cooperate with the first fixed bending die to achieve the first bending of the nylon straight tube. A cylinder drives a second movable bending die to cooperate with a second fixed bending die to achieve the second bending of the nylon straight tube; a third bending frame is set on one side of the second bending frame; the third bending frame is equipped with a third fixed bending die, a fourth fixed bending die, a third movable bending die, a fourth movable bending die, and a fifth movable bending die; the third movable bending die, the fourth movable bending die, and the fifth movable bending die are respectively driven by a third bending cylinder, a fourth bending cylinder, and a fifth bending cylinder; the third movable bending die is driven by the third bending cylinder to cooperate with the third fixed bending die to achieve the third bending of the nylon straight tube; the fourth movable bending die and the fifth movable bending die are driven by the fourth bending cylinder and the fifth bending cylinder respectively to simultaneously press against the fourth fixed bending die to achieve the fourth bending of the nylon straight tube.

2. The heating and bending structure of a nylon tube for a vehicle according to claim 1, wherein: A jet cooling support structure is provided on one side of the first bending tube frame on the support base plate. The jet cooling support structure is used to support the jet pipe connected to the air source, and the output of the jet pipe is aligned with the end of the nylon bending tube for air cooling of the heated and bent nylon bending tube. Each fixed bending tube mold and each movable bending tube mold in the bending tube module adopts a contouring structure.

3. The automotive nylon tube heating bend structure according to claim 1, characterized in that: The heating frame is a right-angled triangle, comprising a base frame, side frames, and an inclined frame. The base frame is rectangular and horizontally positioned, while the side frames are vertically positioned at one end of the base frame. The inclined frame is obliquely connected to the top of the side frames and one side of the base frame. The inclined frame has a mounting plate for placing the electric heating box assembly, and the mounting plate has a through hole for accommodating the output end of the electric heating box opening / closing drive module. A slide rail is positioned near both ends of the mounting plate, and the slide rails are parallel to each other. The electric heating box unit is mounted on the slide rail. The tube positioning module is mounted on the inclined frame outside the mounting plate, corresponding to both ends of each electric heating box unit. The electric heating box opening / closing drive module is mounted on the back of the mounting plate.

4. The automotive nylon tube heating bend structure according to claim 3, characterized in that: The electric heating box unit includes a fixed heating box and a movable heating box. Both the fixed and movable heating boxes are provided with heating cavities to accommodate the tube, and the heating cavities extend through both ends of the electric heating box unit. The fixed heating box is fixed on a slide rail, and the movable heating box is mounted on the slide rail by a slider. The movable heating box is driven by an electric heating box opening and closing drive module to cooperate with the fixed heating box to clamp and heat the tube. The output end of the electric heating box opening and closing drive module passes through a through hole in the mounting plate and is connected to the movable heating box.

5. The automotive nylon tube heating bend structure according to claim 3, characterized in that: The tube positioning module includes a positioning cylinder and a positioning plate; the positioning cylinder is mounted on the inclined frame, and the positioning plate is mounted on the output end of the positioning cylinder. The positioning cylinder drives the positioning plate to clamp the two ends of the tube placed in the electric heating box unit.

6. The automotive nylon tube heating bend structure according to claim 4, characterized in that: The electric heating box opening and closing drive module includes a drive cylinder and a connecting plate; the drive cylinder is mounted on the back of the mounting plate; the connecting plate is mounted on the output end of the drive cylinder, and the connecting plate passes through the through hole on the mounting plate and is connected to the movable heating box body.