A high-frequency heat treatment device

By using an electric guide rail and servo motor in conjunction with a high-temperature infrared thermometer in a high-frequency heat treatment device, uniform lifting and flipping of the workpiece can be achieved, solving the problems of low heating accuracy and unstable temperature control in existing equipment and improving the quality of heat treatment.

CN224378101UActive Publication Date: 2026-06-19FUJIAN SHENDA STEEL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN SHENDA STEEL CO LTD
Filing Date
2025-07-22
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing high-frequency heat treatment equipment suffers from low heating accuracy and inaccurate temperature control during workpiece movement, making it prone to hard contact losses and unstable clamping, which affects the quality of heat treatment.

Method used

The workpiece is lifted and rotated at a uniform speed using an electric guide rail and an electrically controlled slider in conjunction with a servo motor. Combined with a high-temperature infrared thermometer for real-time temperature measurement, the heating accuracy and temperature control stability are ensured. The workpiece is fixed and rotated using a middle clamping method, achieving all-round heat treatment.

Benefits of technology

This improves the heating precision and temperature control stability of high-frequency heat treatment, avoids hard contact, and ensures improved heat treatment quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high -frequency heat treatment device, it includes: high -frequency heating host computer, the front side symmetry of high -frequency heating host computer inlay assembly fixed with electric guide rail, electric guide rail all have the electric control sliding block of cooperation sliding, electric control sliding block opposite side all are fixedly connected with the clamping seat, the clamping seat opposite side all inlay fixed with servo motor, servo motor opposite side output all are fixedly connected with the shaft through the shaft coupling, the shaft opposite end all are fixedly connected with the sleeve, the inboard of sleeve all are assembled with the compression spring, the compression spring opposite end all are fixedly connected with the clamping plate, and the mechanization vertical lift control is carried out, ensures its uniform speed lift, avoids the rigid contact of horizontal swing and produces, improves heating precision, controls the turnover clamping seat and work piece simultaneously, and then can adopt the middle clamping mode to work piece more stable clamping fixed and corresponding turnover to realize all -round heat treatment.
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Description

Technical Field

[0001] This utility model relates to the field of heat treatment technology, and in particular to a high-frequency heat treatment device. Background Technology

[0002] High-frequency heat treatment is a metal processing technology that uses high-energy heat sources such as induced current to rapidly heat and controllably cool the surface of a metal. Its core process includes three stages: heating, holding, and cooling. It is characterized by high efficiency, minimal deformation, and high energy density. This process falls under the category of surface heat treatment, and its main methods include induction heating and flame hardening. By precisely controlling the heating parameters, the hardness and wear resistance of the workpiece surface can be significantly improved while maintaining the toughness of the material's interior. Typical applications include surface hardening of mechanical parts, gear tooth surface strengthening, and local performance optimization of dies and molds.

[0003] Common high-frequency heat treatment equipment is divided into fixed type and handheld type. The former controls the movement of the workpiece, while the latter controls the movement of the heating coil. However, the movement of both is mostly controlled manually. Their movement speed fluctuates greatly, and they are prone to direct collision and contact, resulting in losses. The heating accuracy is low, and the temperature control is not precise or stable enough. Utility Model Content

[0004] The purpose of this invention is to provide a high-frequency heat treatment device that can ensure uniform lifting and lowering of the workpiece, avoid hard contact caused by lateral swaying, improve heating accuracy, and use a middle clamping method to clamp and fix the workpiece more stably and flip it accordingly to achieve all-round heat treatment. Finally, the actual heating temperature of the workpiece is measured and displayed in real time, which facilitates the control and adjustment of the output power of the high-frequency heating host and the dwell time of the heated part of the workpiece, thereby improving the heat treatment quality.

[0005] To achieve the above objectives, a high-frequency heat treatment apparatus is provided, comprising: a high-frequency heating host; a heating groove extending vertically through the center of the front side of the high-frequency heating host; a heating coil correspondingly mounted on the upper part of the heating groove; a workpiece vertically mounted at the center of the inner side of the heating coil; electric guide rails symmetrically fitted and fixed on the left and right sides of the front side of the high-frequency heating host; electrically controlled sliders sliding on each of the electric guide rails; a retaining seat fixedly connected to the opposite side of each electrically controlled slider; a servo motor fitted and fixedly mounted on the opposite side of each retaining seat; a rotating shaft fixedly connected to the output end of each servo motor via a coupling; a sleeve fixedly connected to the opposite end of each rotating shaft; a compression spring mounted inside each sleeve; the opposite end of each compression spring fixedly connected to the sleeve; a clamping plate fixedly connected to the opposite end of each compression spring; and clamping seats slidingly fitted to the outer sides of each clamping plate. The clamping plate should be fixedly connected to the sleeve. The opposite side of the clamping plate should be pressed against the workpiece. High-temperature infrared thermometers are symmetrically mounted on the left and right sides of the heating coil. The opposite side of each high-temperature infrared thermometer is fixedly connected to the electric guide rail. By symmetrically mounting electric guide rails on the left and right sides of the high-frequency heating host in conjunction with the electric control slider, the clamped and fixed workpiece is mechanically vertically lifted and lowered to ensure uniform lifting and lowering, avoid lateral swaying and hard contact, and improve heating accuracy. In addition, a servo motor can be set to control the rotation of the clamping seat and the workpiece 180° in conjunction with the rotating shaft. This allows for more stable clamping and fixing of the workpiece using a middle clamping method and corresponding rotation to achieve all-round heat treatment. Finally, high-temperature infrared thermometers are symmetrically mounted on the left and right sides of the heating coil to measure and display the actual heating temperature of the workpiece in real time. This facilitates the control and adjustment of the output power of the high-frequency heating host and the dwell time of the heated part of the workpiece, thereby improving the heat treatment quality.

[0006] According to the aforementioned high-frequency heat treatment apparatus, the high-temperature infrared thermometer outputs infrared rays from one side, which then pass through the gaps between the layers of the heating coil and contact the workpiece to measure its temperature. This ensures real-time and accurate measurement of the temperature of the heated area.

[0007] According to the high-frequency heat treatment device, a sliding rod is fixedly connected to the center of each opposite side of the clamping plate. The opposite end of each sliding rod passes through a sleeve and extends into the inner wall of the rotating shaft, sliding in a left-right cooperation with it. A limit slider is fixedly connected to the opposite end of each sliding rod. This ensures linear output clamping operation of the clamping plate.

[0008] According to the high-frequency heat treatment apparatus, the opposite side of the clamping plate has an inwardly concave arc design, and anti-slip pads are attached and fixed to the corresponding arc surfaces. This improves the anti-slip stability after clamping.

[0009] According to the high-frequency heat treatment device, a limiting sleeve is fixedly connected to the opposite side of the electrically controlled slider. The inner side of each limiting sleeve is slidably fitted with a limiting rod, and both ends of the limiting rod are fixedly connected to the high-frequency heating host. This assists in maintaining the vertical lifting and lowering operation of the electrically controlled slider.

[0010] According to the aforementioned high-frequency heat treatment apparatus, a base pad is fixedly connected to the bottom of the high-frequency heating host, and wear-resistant liners are symmetrically fixed to the bottom of the base pad. This improves the wear resistance of the bottom contact area after the apparatus is installed.

[0011] According to the high-frequency heat treatment apparatus, a flipping groove is provided in the middle of the rear side of the heating tank, and the workpiece is flipped back and forth along the inner side of the flipping groove. This avoids the workpiece being too long and colliding with the machine body during flipping.

[0012] The above-mentioned solution has the following beneficial effects:

[0013] In this invention, electric guide rails are symmetrically mounted on the left and right sides of the high-frequency heating host, along with electrically controlled sliders, to mechanically and vertically lift and lower the clamped workpiece. This ensures uniform lifting and lowering, avoids lateral swaying and hard contact, and improves heating accuracy. Additionally, a servo motor is installed to control the rotation of the clamp and workpiece by 180°, enabling more stable clamping and fixing of the workpiece using a central clamping method and corresponding rotation for all-around heat treatment. Finally, high-temperature infrared thermometers are symmetrically mounted on the left and right sides of the heating coil to measure and display the actual heating temperature of the workpiece in real time. This facilitates control and adjustment of the output power of the high-frequency heating host and the dwell time of the heated part of the workpiece, thereby improving the heat treatment quality.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is an overall schematic diagram of a high-frequency heat treatment device according to the present invention;

[0017] Figure 2 This is a schematic diagram showing the distribution of the electric guide rail and clamp in a high-frequency heat treatment device according to this utility model.

[0018] Figure 3 This is a schematic diagram of the connection structure between the electrically controlled slider and the clamp in a high-frequency heat treatment device according to this utility model;

[0019] Figure 4This is a schematic diagram of the connection structure of the electric guide rail in a high-frequency heat treatment device according to the present invention.

[0020] Legend:

[0021] 1. High-frequency heating main unit; 2. Heating tank; 3. Heating coil; 4. Workpiece; 5. Electric guide rail; 6. Electric control slider; 7. Card holder; 8. Servo motor; 9. Rotating shaft; 10. Sleeve; 11. Compression spring; 12. Slide rod; 13. Clamping plate; 14. Clamping seat; 15. High-temperature infrared thermometer; 16. Limiting sleeve; 17. Limiting rod; 18. Base pad; 19. Tilting groove. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-4 This utility model provides a high-frequency heat treatment device, including: a high-frequency heating host 1, a bottom pad 18 fixedly connected to the bottom of the high-frequency heating host 1, wear-resistant pads symmetrically fixed to the bottom of the bottom pad 18, a heating groove 2 extending vertically through the middle of the front side of the high-frequency heating host 1, a heating coil 3 correspondingly mounted on the upper part of the heating groove 2, a workpiece 4 vertically mounted at the center of the inner side of the heating coil 3, and a flipping groove 19 opened in the middle of the rear side of the heating groove 2, the workpiece 4 being flipped back and forth along the inner side of the flipping groove 19, providing a heating base and operating space.

[0024] The front side of the high-frequency heating host 1 is symmetrically fitted with electric guide rails 5. Each electric guide rail 5 is fitted with an electrically controlled slider 6. The opposite side of each electrically controlled slider 6 is fixedly connected to a limiting sleeve 16. The inner side of each limiting sleeve 16 is fitted with a limiting rod 17 that slides up and down. The upper and lower ends of the limiting rod 17 are fixedly connected to the high-frequency heating host 1. The opposite side of each electrically controlled slider 6 is fixedly connected to a card seat 7 for mechanized vertical lifting and lowering control, ensuring uniform lifting and lowering, avoiding lateral swaying and hard contact, and improving heating accuracy.

[0025] Servo motors 8 are fitted and fixed on opposite sides of the mounting base 7. The output ends of the servo motors 8 on opposite sides are fixedly connected to rotating shafts 9 via couplings. Sleeves 10 are fixedly connected to opposite ends of rotating shafts 9. Compression springs 11 are fitted inside the sleeves 10. Opposite ends of the compression springs 11 are fixedly connected to the sleeves 10. Clamping plates 13 are fixedly connected to opposite ends of the compression springs 11. Slide rods 12 are fixedly connected to the center of opposite sides of clamping plates 13. Opposite ends of slide rods 12 pass through the sleeves 10. It extends into the inner wall of the rotating shaft 9 and slides left and right in cooperation with it. The opposite ends of the slide rod 12 are fixedly connected to the limit slider. The opposite side of the clamping plate 13 has an inward arc design and anti-slip pads are attached to the corresponding arc surface. The outer side of the clamping plate 13 is slidably fitted with the clamping seat 14. The left and right sides of the clamping seat 14 are fixedly connected to the sleeve 10. The opposite side of the clamping plate 13 is pressed and fitted with the workpiece 4. The workpiece 4 can be clamped and fixed more stably by using the middle clamping method and can be flipped to achieve all-round heat treatment.

[0026] High-temperature infrared thermometers 15 are symmetrically mounted on the left and right sides of the heating coil 3. The opposite side of each high-temperature infrared thermometer 15 is fixedly connected to the electric guide rail 5. The opposite side of the high-temperature infrared thermometer 15 outputs infrared rays, which pass through the gap between the coils of the heating coil 3 and contact the workpiece 4 to measure the temperature. This controls and adjusts the output power of the high-frequency heating host 1 and the dwell time of the heated part of the workpiece 4.

[0027] Working principle: In this utility model, electric guide rails 5 are symmetrically mounted on the left and right sides of the high-frequency heating host 1 in conjunction with electrically controlled sliders 6 to mechanically lift and lower the clamped workpiece 4 vertically, ensuring uniform lifting and lowering, avoiding hard contact caused by lateral swaying, and improving heating accuracy. In addition, a servo motor 8 is set up to work with the rotating shaft 9 to control the flipping of the clamping seat 14 and the workpiece 4 at 180°, thereby enabling a more stable clamping and fixing of the workpiece 4 in the middle clamping method and corresponding flipping to achieve all-round heat treatment. Finally, high-temperature infrared thermometers 15 are symmetrically mounted on the left and right sides of the heating coil 3 to measure and display the actual heating temperature of the workpiece 4 in real time, which facilitates the control and adjustment of the output power of the high-frequency heating host 1 and the dwell time of the heated part of the workpiece 4, thereby improving its heat treatment quality.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high-frequency heat treatment apparatus, comprising: A high-frequency heating host (1) has a heating groove (2) running vertically through the middle of its front side. A heating coil (3) is mounted on the upper part of the heating groove (2). A workpiece (4) is vertically mounted at the center of the inner side of the heating coil (3). The high-frequency heating host (1) is characterized by having electric guide rails (5) symmetrically fitted and fixed on the left and right sides of its front side. Each electric guide rail (5) has an electrically controlled slider (6) sliding on it. Each electrically controlled slider (6) has a card holder (7) fixedly connected to its opposite side. Each card holder (7) has a servo motor (8) fitted and fixedly mounted to its opposite side. Each servo motor (8) has a rotating shaft (9) fixedly connected to its opposite side via a coupling. A sleeve (10) is fixedly connected to one end of each of the two devices. A compression spring (11) is fitted inside the sleeve (10). The opposite end of the compression spring (11) is fixedly connected to the sleeve (10). A clamping plate (13) is fixedly connected to one end of the compression spring (11). A clamping seat (14) is slidably fitted to the outside of the clamping plate (13). The left and right sides of the clamping seat (14) are fixedly connected to the sleeve (10). The opposite side of the clamping plate (13) is pressed and adhered to the workpiece (4). High-temperature infrared thermometers (15) are symmetrically mounted on the left and right sides of the heating coil (3). The opposite side of the high-temperature infrared thermometers (15) is fixedly connected to the electric guide rail (5).

2. The high-frequency heat treatment apparatus according to claim 1, characterized in that, The high-temperature infrared thermometer (15) outputs infrared rays from one side and passes through the gap between the layers of the heating coil (3) to contact the workpiece (4) for temperature measurement.

3. The high-frequency heat treatment apparatus according to claim 1, characterized in that, Each of the clamps (13) has a slide rod (12) fixedly connected to the center of the opposite side. The opposite end of each slide rod (12) passes through the sleeve (10) and extends into the inner wall of the rotating shaft (9) to slide and cooperate with it. The opposite end of each slide rod (12) is fixedly connected to a limit slider.

4. The high-frequency heat treatment apparatus according to claim 1, characterized in that, The clamp (13) has a concave arc design on one side and anti-slip pads are attached and fixed on the corresponding arc surface.

5. The high-frequency heat treatment apparatus according to claim 1, characterized in that, On the opposite side of the electronically controlled slider (6), a limiting sleeve (16) is fixedly connected. The inner side of the limiting sleeve (16) is slidably fitted with a limiting rod (17). The upper and lower ends of the limiting rod (17) are fixedly connected to the high-frequency heating host (1).

6. The high-frequency heat treatment apparatus according to claim 1, characterized in that, The bottom of the high-frequency heating host (1) is fixedly connected to a bottom pad (18), and wear-resistant pads are symmetrically fixed on the bottom of the bottom pad (18).

7. The high-frequency heat treatment apparatus according to claim 1, characterized in that, The heating tank (2) has a flipping groove (19) in the middle of its rear side, and the workpiece (4) flips back and forth along the inner side of the flipping groove (19).