Preheating device used before forming of steel pipe

By combining a motor-driven metal gear system with a cooling mechanism, the problem of low heating efficiency in existing technologies that cannot simultaneously handle multiple steel pipes is solved, enabling simultaneous preheating and cooling of multiple steel pipes and improving work efficiency.

CN223580661UActive Publication Date: 2025-11-21YANTAI JINJIANG AUTOMOBILE PARTS CO LTD
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Patent Information

Application Number
CN202423266111.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing heating device for steel pipe forming cannot process multiple steel pipes at the same time, resulting in low work efficiency.

Method used

A motor-driven metal gear system is used to unfold multiple moving plates to place multiple steel pipes, which are preheated by a gas-fired heating furnace and cooled by a spray cooling mechanism.

Benefits of technology

This technology enables simultaneous preheating and cooling of multiple steel pipes, significantly improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipe preheating, and discloses a preheating device before steel pipe forming, which comprises a machine body, a motor is arranged in the machine body, the output end of the motor is fixedly connected with a rotating shaft, the right side of the rotating shaft is fixedly connected with a metal gear, and the outer side of the metal gear is provided with a bearing plate. A first tooth groove rod is slidably connected to the inner bottom wall of the bearing plate, the lower end of the metal gear is connected with the first tooth groove rod in a meshed mode, a first moving plate is fixedly connected to the front side of the first tooth groove rod, a second tooth groove rod is slidably connected to the inner top wall of the bearing plate, and the upper end of the metal gear is connected with the second tooth groove rod in a meshed mode. The rear side of the second tooth groove rod is fixedly connected with a second moving plate. According to the steel pipe preheating device, when a plurality of steel pipes are preheated, the metal gear can be driven to rotate through kinetic energy of the motor, the first moving plate and the second moving plate can be unfolded, and the steel pipes can be placed for preheating.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe preheating technical field especially relates to a preheating device before steel pipe forming. BACKGROUND

[0002] Steel pipe is a kind of long strip steel material with hollow section, has extremely extensive application in numerous fields, it can be made of multiple materials, has the characteristics of high strength, good toughness and corrosion resistance, its production process covers welding and seamless rolling multiple ways, is used to build frame structure in construction industry, is used to transport various media in petroleum chemical industry, is used as the basic material of parts in machinery manufacturing, also plays an important role in some high-tech fields such as automobile industry and aerospace by its unique performance, is one of extremely important basic materials in modern industrial system.

[0003] The preheating device before steel pipe forming is the key equipment in the steel pipe production and processing process, mainly by heating furnace body, heating element, temperature sensor, temperature controller and conveying device constitute, heating furnace body provides heating space for steel pipe, heating element such as resistance wire, silicon-carbon rod generates heat to make the temperature in the furnace rise, temperature sensor monitors temperature in real time and sends signal to temperature controller, temperature controller accurately controls heating element to maintain the set temperature range, conveying device is responsible for the stable steel pipe and sends in and sends out heating furnace body, in the use process, due to the fixed size of equipment, it cannot carry out the processing of multiple steel pipes simultaneously, in the prior art, by using different equipment and heating smaller steel pipe to realize the preheating of steel pipe, but when heating steel pipe, the heating work of the next steel pipe is carried out after the heating of the upper steel pipe ends, thereby reduce the work efficiency. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides a preheating device before steel pipe forming, aims at improving the prior art in the heating of steel pipe, the heating work of the next steel pipe is carried out after the heating of the upper steel pipe ends, thereby reduce the work efficiency problem.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of preheating device before steel pipe forming, including machine body, the inside of machine body is equipped with motor, the output of motor is fixedly connected with rotating shaft, the right side of rotating shaft is fixedly connected with metal gear, the outside of metal gear is equipped with bearing plate, the inner bottom wall of bearing plate is slidably connected with toothed groove bar one, the lower end of metal gear is engaged with toothed groove bar one, the front side of toothed groove bar one is fixedly connected with moving plate one, the inner top wall of bearing plate is slidably connected with toothed groove bar two, the upper end of metal gear is engaged with toothed groove bar two, the rear side of toothed groove bar two is fixedly connected with moving plate two, the right side of machine body is equipped with cooling mechanism, and the cooling mechanism is used to cool cooling for steel pipe.

[0006] As further description of the above technical solution:

[0007] The cooling mechanism includes a loading box, the loading box is installed on the right side of the machine body, the inside of the loading box is installed with a conveyor belt, the top left side of the loading box is fixedly connected with a semicircular frame, a plurality of spray heads are equidistantly arranged on the outer side of the semicircular frame, a water supply pipeline is arranged on the rear side of the outer wall of the semicircular frame, and a water stop valve is arranged on the outer side of the water supply pipeline.

[0008] As further description of the above technical solution:

[0009] The outer wall left side of the machine body is fixedly connected with a placing block.

[0010] As further description of the above technical solution:

[0011] The outer side of the placing block is fixedly connected with a hook.

[0012] As further description of the above technical solution:

[0013] The outer wall front side of the machine body is provided with hinges at upper and lower ends.

[0014] As further description of the above technical solution:

[0015] The outer side of the hinge is fixedly connected with a cabinet door.

[0016] As further description of the above technical solution:

[0017] The outer wall front side right end of the cabinet door is fixedly connected with a handle.

[0018] As further description of the above technical solution:

[0019] The rear side of the machine body is provided with a gas heating furnace.

[0020] The utility model has the advantages that:

[0021] 1. In the utility model, when a plurality of steel pipes are preheated, the kinetic energy of the motor drives the metal gear to rotate, which makes the moving plate one and the moving plate two expand, so that a plurality of steel pipes can be placed for preheating, and the working efficiency is improved.

[0022] 2. In the utility model, the conveying belt stably conveys the steel pipe at a set speed, opens the water stop valve when reaching below the semicircular frame, and water flows into the frame through the water pipeline, so that the plurality of spray heads uniformly spray the steel pipe, complete the spray treatment, and meet the cooling requirement. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of a preheating device for steel pipes before forming is provided for the utility model;

[0024] Figure 2 A front view of a preheating device for steel pipes before forming is provided for the utility model;

[0025] Figure 3 A side view of a preheating device for steel pipes before forming is provided for the utility model;

[0026] Figure 4 A partial structure split view of a preheating device for steel pipes before forming is provided for the utility model;

[0027] Figure 5 A cooling mechanism schematic view of a preheating device for steel pipes before forming is provided for the utility model.

[0028] LEGEND:

[0029] 1, machine body; 2, cooling mechanism; 201, loading box; 202, conveying belt; 203, semicircular frame; 204, spray head; 205, water pipeline; 206, water stop valve; 3, motor; 4, rotating shaft; 5, metal gear; 6, bearing plate; 7, tooth groove rod one; 8, moving plate one; 9, tooth groove rod two; 10, moving plate two; 11, placing block; 12, hook; 13, hinge; 14, cabinet door; 15, handle; 16, gas heating furnace. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] REFERENCE Figure 1 , Figure 3 and Figure 4The utility model provides an embodiment: a kind of preheating device before steel pipe forming, including machine body 1, motor 3 is installed in the inside of machine body 1, the output of motor 3 is fixedly connected with rotating shaft 4, rotating shaft 4 is rotated by the kinetic energy of motor 3, rotating shaft 4's right side is fixedly connected with metal gear 5, and then metal gear 5 is rotated, bearing plate 6 is installed on the outside of metal gear 5, the inner bottom wall of bearing plate 6 is slidably connected with rack bar one 7, the lower end of metal gear 5 is engaged with rack bar one 7, rack bar one 7's front side is fixedly connected with moving plate one 8, the inner top wall of bearing plate 6 is slidably connected with rack bar two 9, the upper end of metal gear 5 is engaged with rack bar two 9, rack bar two 9's rear side is fixedly connected with moving plate two 10, cooling mechanism 2 is installed on the right side of machine body 1, cooling mechanism 2 is used to cool the cooling of steel pipe, the left side of the outer wall of machine body 1 is fixedly connected with placing block 11, the outside of placing block 11 is fixedly connected with hook 12, and it can be used for hanging some tools;

[0032] Specifically, in the process of preheating steel pipe, the kinetic energy of motor 3 will drive metal gear 5 to rotate, the rotation of metal gear 5 in turn promotes the displacement of rack bar one 7 and rack bar two 9 engaged with it, moving plate one 8 and moving plate two 10 are fixed on rack bar one 7 and rack bar two 9 respectively, with the movement of rack bar, moving plate one 8 and moving plate two 10 will also be unfolded, so that the placement of multiple steel pipes is realized, the left outer wall of machine body 1 is provided with fixedly connected placing block 11, the outside of the placing block 11 is provided with fixedly connected hook 12, to hang various tools.

[0033] Refer to Figure 1 , Figure 2 And Figure 5 , cooling mechanism 2 includes loading box 201, loading box 201 is installed on the right side of machine body 1, conveying belt 202 is installed in the inside of loading box 201, for conveying steel pipe, semicircular frame 203 is fixedly connected on the top left side of loading box 201, a plurality of spray heads 204 are equidistantly arranged on the outside of semicircular frame 203, can multi-angle water, water pipeline 205 is arranged on the rear side of the outer wall of semicircular frame 203, water valve 206 is arranged on the outside of water pipeline 205, can control water quantity, hinge 13 is arranged on the outer wall of machine body 1 front side upper end and lower end, cabinet door 14 is fixedly connected on the outside of hinge 13, cabinet door 14 can be opened by hinge 13;

[0034] Specifically, the conveyor belt 202 can stably forward the steel pipe according to the set speed, when the steel pipe moves to a specific position below the semicircular frame 203, the water valve 206 outside the water conveying pipe 205 will be started, at this time water will flow to the semicircular frame 203 through the water conveying pipe 205, the semicircular frame 203 as a connecting structure, the multiple spray heads 204 arranged outside the semicircular frame 203 will uniformly spray the introduced water on the surface of the steel pipe passing below, thereby completing the spray treatment of the steel pipe to meet its cooling needs, the outer wall of the body 1 is provided with a hinge 13 at the upper and lower ends of the front side, and the hinge 13 is fixedly connected with the cabinet door 14, so that the cabinet door 14 can be opened through the hinge 13, and the motor 3 is of JZBOBO2 model.

[0035] With reference to Figure 1 And Figure 2 The outer wall of the cabinet door 14 is fixedly connected with a handle 15 at the right end of the front side, so as to facilitate operation, and the rear side of the body 1 is provided with a gas heating furnace 16, which can preheat the steel pipe.

[0036] Specifically, the outer wall of the cabinet door 14 is provided with a handle 15 at the right end of the front side, so as to facilitate operation, and the rear side of the body 1 is provided with a gas heating furnace 16, which can preheat the steel pipe.

[0037] Working principle: when the steel pipe is preheated, the kinetic energy of the motor 3 drives the metal gear 5 to rotate, the metal gear 5 rotates, drives the toothed groove rod one 7 and the toothed groove rod two 9 engaged with the metal gear 5 to move, the two are respectively fixed with the moving plate one 8 and the moving plate two 10, the toothed groove rod one 7 and the toothed groove rod two 9 move, drive the moving plate one 8 and the moving plate two 10 to expand, thereby being able to place multiple steel pipes, and the gas heating furnace 16 is used to heat the steel pipe, which significantly improves the work efficiency.

[0038] The conveyor belt 202 can stably forward the steel pipe according to the set speed, when the steel pipe moves to a specific position below the semicircular frame 203, the water valve 206 outside the water conveying pipe 205 will be started, at this time water will flow to the semicircular frame 203 through the water conveying pipe 205, the semicircular frame 203 as a connecting structure, the multiple spray heads 204 arranged outside the semicircular frame 203 will uniformly spray the introduced water on the surface of the steel pipe passing below, thereby completing the spray treatment of the steel pipe to meet its cooling needs.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A preheating device for a steel pipe before forming, comprising a machine body (1), characterized in that: The inside of the machine body (1) is provided with a motor (3), the output end of the motor (3) is fixedly connected with a rotating shaft (4), the right side of the rotating shaft (4) is fixedly connected with a metal gear (5), the outside of the metal gear (5) is provided with a bearing plate (6), the inner bottom wall of the bearing plate (6) is slidably connected with a gear slot rod one (7), the lower end of the metal gear (5) is meshedly connected with the gear slot rod one (7), the front side of the gear slot rod one (7) is fixedly connected with a moving plate one (8), the inner top wall of the bearing plate (6) is slidably connected with a gear slot rod two (9), the upper end of the metal gear (5) is meshedly connected with the gear slot rod two (9), the rear side of the gear slot rod two (9) is fixedly connected with a moving plate two (10), the right side of the machine body (1) is provided with a cooling mechanism (2), and the cooling mechanism (2) is used for cooling the steel pipe.

2. A preheating device for a steel pipe before forming according to claim 1, characterized in that: The cooling mechanism (2) comprises a loading box (201), the loading box (201) is installed on the right side of the machine body (1), the inside of the loading box (201) is provided with a conveying belt (202), the top left side of the loading box (201) is fixedly connected with a semicircular frame (203), a plurality of spray heads (204) are equidistantly arranged on the outside of the semicircular frame (203), a water conveying pipeline (205) is arranged on the rear side of the outer wall of the semicircular frame (203), and a water stop valve (206) is arranged on the outside of the water conveying pipeline (205).

3. A preheating device for a steel pipe before forming according to claim 1, characterized in that: The outer wall left side of the machine body (1) is fixedly connected with a placing block (11).

4. A preheating device for a steel pipe before forming according to claim 3, characterized in that: The outside of the placing block (11) is fixedly connected with a hook (12).

5. The preheating device for a steel pipe before forming according to claim 1, characterized in that: The outer wall front side of the machine body (1) is provided with a hinge (13) at the upper end and the lower end.

6. A preheating device for a steel pipe before forming according to claim 5, characterized in that: The outside of the hinge (13) is fixedly connected with a cabinet door (14).

7. A preheating device for a steel pipe before forming according to claim 6, characterized in that: The outer wall front side of the cabinet door (14) is fixedly connected with a handle (15).

8. A preheating device for a steel pipe before forming according to claim 1, characterized in that: The rear side of the machine body (1) is provided with a gas heating furnace (16).