Induction heating device for quenching rack

Abstract

The utility model discloses an induction heating device for quenching a rack, and relates to the technical field of induction heating of metal parts. The induction heating device comprises a base, an electric sliding block, an electric push rod, a carrier and an induction coil, the controller controls the electric sliding block to drive the connecting rod and the bracket to move upwards or downwards so as to drive the electric push rod to swing around the hinge, so that the rack on the carrier reaches a heating position or a soaking position and is subjected to induction heating and water cooling respectively, and quenching treatment of the rack is completed. The rack is controlled to reach the induction heating position and the soaking position through linkage of the electric sliding block, the connecting rod, the bracket and the electric push rod, the structure is simple, and the automation degree is high; the carrier is provided with the double grooves for clamping the racks, so that the two racks can be subjected to induction heating at the same time, and the heating efficiency is high; the induction coil adopts a profiling design and is a spiral rectangular coil, so that the heating efficiency of the rack can be further improved, and the heating is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal parts induction heating technical field, concretely is a kind of for rack quenching induction heating device. BACKGROUND

[0002] As a kind of special transmission component, rack can be converted into reciprocating linear motion of rack by meshing transmission with gear rotation. Since the teeth on rack need to withstand impact load for a long time during work to mesh transmission, the teeth on rack often need to be quenched to improve its strength, hardness and wear resistance, so as to prolong the service life and transmission stability of rack. The traditional quenching heating mode is low in efficiency and pollutes the environment, therefore, it is necessary to develop a kind of induction heating device for rack quenching.

[0003] At present, the existing Chinese patent with publication number CN217579012U discloses a gear induction heating device, which first stores enough spraying water in the water storage frame, then places the gear needing heat treatment on the positioning pin of the gear positioning disc, the induction heating coil starts to be powered, current is formed on the gear, the tooth part of the gear starts to be heated, after heating is completed, the induction heating coil is powered off, the gear positioning disc is lowered by the lifting cylinder, when the gear positioning disc is lowered, the gear is lowered, when it is lowered into the spraying assembly, at this time, the spraying ring of the spraying assembly pumps spraying water into the spraying ring by the circulating water pump, the two groups of spraying holes of the spraying ring spray the tooth part of the gear at the same time; the device is compact, but the lifting cylinder, lifting rod and other electrical components are easily damaged and have electric leakage safety hazards when placed in the water storage frame filled with water.

[0004] At present, the existing Chinese patent with publication number CN210117393U discloses a device for large modulus rack induction heating, the X direction and Y direction are fed by the lead screw driven by the driving motor, the Z direction is moved by the adjusting hand wheel, the induction coil is fixed on the insulating supporting plate and is integrally installed on the Z direction part of the rack, when working, the relative position of the induction coil and the rack is adjusted by the hand wheel, the induction coil feeds along the defined path, and the rack is scanned and heated; the device is complicated to operate, and the single tooth is inductively heated one by one, the heating efficiency is low, and when the current tooth is heated, the temperature of the surrounding teeth is affected, thereby affecting the internal organization of the surrounding teeth.

[0005] In summary, although the existing metal part induction heating device can realize induction heating of rack to some extent, there are still many deficiencies, therefore, we have developed a kind of induction heating device for rack quenching. UTILITY MODEL CONTENTS

[0006] The utility model wants to solve the technical problem of overcoming the defects of the prior art, provide an inductive heating device for rack quenching, control rack to inductive heating position and water immersion position through electric sliding block, connecting rod, bracket and electric push rod linkage, simple structure, high degree of automation, the double recesses of clamping rack are equipped on the carrier, two racks can be inducted and heated at the same time, and the heating efficiency is high, the inductive coil adopts the profiling design, is spiral rectangular coil, can further improve the heating efficiency of rack and heat more evenly, and the problems in the background art can be effectively solved.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: an inductive heating device for rack quenching, including base, electric sliding block, electric push rod, carrier, inductive heating power supply and inductive coil;

[0008] The base upper end is screwed with guide rail, and the guide rail is adapted with electric sliding block, and the guide rail upper end is equipped with open type fixing base, and the open type fixing base is hinged with electric push rod through hinge, and the electric push rod is screwed with stud on the side away from hinge, and the stud is screwed with carrier on the other side, and the carrier is fixed with rack through set screw;

[0009] The electric sliding block is welded with connecting rod, and the connecting rod is welded with bracket on the end contacting with electric push rod, and the electric push rod is provided with liquid cooling pool below, the inductive heating power supply is located at one side of carrier, and the inductive coil of inductive heating power supply surrounds carrier.

[0010] Preferably, the bracket is provided with an arc groove adapted to the electric push rod, and the diameter of the arc groove on the bracket is 10-15mm larger than the diameter of the electric push rod.

[0011] Preferably, the carrier is provided with grooves on the upper and lower surfaces for clamping rack, and two racks can be clamped simultaneously and fixed by set screw.

[0012] Preferably, the position of the liquid cooling pool is set according to the heating position of the rack, and when the electric sliding block moves downward, the electric push rod swings around the hinge and immerses the carrier into the liquid cooling pool.

[0013] Preferably, the inductive coil is in the shape of spiral rectangle, the distance between the inner wall of the inductive coil in the width direction and the tooth top of the rack is 5-10mm, and the distance between the inner wall of the inductive coil in the length direction and the carrier is not less than 40mm.

[0014] Preferably, the material of the carrier is nickel-based alloy, and the electric sliding block has a brake structure, which can stop at the end point after moving on the guide rail and will not slide freely along the guide rail under the action of gravity.

[0015] Compared with the prior art, the utility model discloses the beneficial effects are: through electric sliding block, connecting rod, bracket and electric push rod linkage to control rack to inductive heating position and immersion level, simple structure, high degree of automation, be equipped with the double recess of clamping rack on the carrier, can carry out inductive heating to two rack simultaneously, and heating efficiency is high, the inductive coil adopts the profiling design, is spiral rectangular coil, can further improve the heating efficiency of rack and heating is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the plan view of the utility model;

[0018] Figure 3 It is the partial enlarged view of the utility model;

[0019] Figure 4 It is the axonometric view of the carrier of the utility model;

[0020] Figure 5 It is the axonometric view of the inductive coil of the utility model.

[0021] In the drawing: 1 is base, 2 is guide rail, 3 is electric sliding block, 4 is connecting rod, 5 is bracket, 6 is open type fixed base, 7 is hinge, 8 is electric push rod, 9 is stud, 10 is carrier, 11 is rack, 12 is liquid cooling pool, 13 is inductive heating power, 14 is inductive coil. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a kind of inductive heating device for rack quenching, including base 1, electric sliding block 3, electric push rod 8, carrier 10, inductive heating power 13 and inductive coil 14;

[0024] The base 1 is screwed with a guide rail 2, the guide rail 2 is matched with an electric sliding block 3, the upper end of the guide rail 2 is provided with an open type fixing seat 6, the open type fixing seat 6 is hinged with an electric push rod 8 through a hinge 7, the electric push rod 8 is screwed with a stud 9 on the side away from the hinge 7, the other side of the stud 9 is screwed with a carrier 10, the carrier 10 is fixed with a rack 11 through a set screw;

[0025] The electric sliding block 3 is welded with a connecting rod 4, one end of the connecting rod 4 in contact with the electric push rod 8 is welded with a bracket 5, a liquid cooling pool 12 is arranged below the electric push rod 8, an induction heating power supply 13 is located on one side of the carrier 10, and an induction coil 14 of the induction heating power supply 13 surrounds the carrier 10;

[0026] It can be understood that the rack 11 is loaded on the carrier 10 and fixed with a set screw, the controller controls the electric sliding block 3 to move upwards with the connecting rod 4 and the bracket 5, the electric push rod 8 swings upwards around the hinge 7 to a horizontal position, the electric push rod 8 is elongated to make the rack 11 on the carrier 10 enter the inside of the induction coil 14, the induction heating power supply 13 is started and the rack 11 is inductively heated through the induction coil 14, after the heating is completed, the electric push rod 8 is shortened to make the rack 11 leave the inside of the induction coil 14, and then the electric sliding block 3 moves downwards with the connecting rod 4 and the bracket 5, the electric push rod 8 swings downwards to a position where the rack 11 is immersed in the liquid cooling pool 12, so that the quenching of the rack 11 is completed; the rack 11 is controlled to the induction heating position and the water immersion position through the linkage of the electric sliding block 3, the connecting rod 4, the bracket 5 and the electric push rod 8, the structure is simple, and the degree of automation is high;

[0027] Further, the bracket 5 is provided with a circular arc groove matched with the electric push rod 8, the diameter of the circular arc groove on the bracket 5 is 10-15mm larger than the diameter of the electric push rod 8, the bracket 5 is used for supporting the electric push rod 8, and the electric sliding block 3 swings the electric push rod 8 around the hinge 7 through the connecting rod 4 and the bracket 5;

[0028] Further, the carrier 10 is provided with grooves for clamping the rack 11 on the upper and lower surfaces, two racks 11 can be clamped simultaneously and fixed through set screws, two racks 11 can be loaded simultaneously, and the two racks 11 are inductively heated at one time, so that the heating efficiency is high;

[0029] Further, the position of the liquid cooling pool 12 is set according to the heating position of the rack 11, the electric push rod 8 swings around the hinge 7 and immerses the carrier 10 in the liquid cooling pool 12 when the electric sliding block 3 moves downwards, the rack 11 can be immersed in the liquid cooling pool 12 for quenching through the action of the electric sliding block 3 and the electric push rod 8 after the rack 11 is inductively heated, and the rack 11 is moved from the induction heating position to the water immersion position;

[0030] Further, the induction coil 14 is in a spiral rectangular shape, the distance between the inner wall of the induction coil 14 and the tooth top of the rack 11 is 5-10mm in the width direction, and the distance between the inner wall of the induction coil 14 and the carrier 10 is not less than 40mm in the length direction; the induction coil 14 is designed in a profiled manner, which can further improve the heating efficiency of the rack and make the heating more uniform, and the rack 11 extends into the induction coil 14, and a gap is left between the rack 11 and the inner side of the induction coil 14.

[0031] In addition, the material of the carrier 10 is a nickel-based alloy, and the electric sliding block 3 has a brake structure, which can stop at the end point after moving on the guide rail 2 and will not freely slide down the guide rail under the action of gravity.

[0032] Working principle: when in use, two racks 11 are installed on the upper and lower sides of the carrier 10 and fixed by a set screw, the controller controls the electric sliding block 3 to move upwards with the connecting rod 4 and the bracket 5, so as to drive the electric push rod 8 to swing around the hinge 7, until the electric push rod 8 swings upwards to the horizontal position, the electric push rod 8 is elongated, so as to drive the rack 11 on the carrier 10 to enter the inner side of the induction coil 14, the induction heating power 13 is started, the rack 11 is inductively heated by the induction coil 14, after the heating is completed, the electric push rod 8 is shortened, so as to drive the rack 11 on the carrier 10 to leave the inner side of the induction coil 14, then the electric sliding block 3 moves downwards with the connecting rod 4 and the bracket 5, so as to drive the electric push rod 8 to swing downwards to the rack 11 immersed in the liquid cooling pool 12, so as to complete the quenching of the rack 11.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An induction heating device for rack hardening, characterized by: It comprises a base (1), an electric sliding block (3), an electric push rod (8), a carrier (10), an induction heating power supply (13) and an induction coil (14); The base (1) is screwed with a guide rail (2) at the upper end, the guide rail (2) is matched with an electric sliding block (3), the upper end of the guide rail (2) is provided with an open type fixing seat (6), the open type fixing seat (6) is hinged with an electric push rod (8) through a hinge (7), the electric push rod (8) is screwed with a stud (9) on the side away from the hinge (7), the stud (9) is screwed with a carrier (10) on the other side, and the carrier (10) is fixed with a rack (11) through a set screw; The electric sliding block (3) is welded with a connecting rod (4), one end of the connecting rod (4) in contact with the electric push rod (8) is welded with a bracket (5), a liquid cooling pool (12) is arranged below the electric push rod (8), an induction heating power supply (13) is located on one side of the carrier (10), and an induction coil (14) of the induction heating power supply (13) surrounds the carrier (10).

2. An induction heating device for rack hardening according to claim 1, characterized in that: The bracket (5) is provided with an arc groove matched with the electric push rod (8), and the diameter of the arc groove on the bracket (5) is 10-15mm larger than the diameter of the electric push rod (8).

3. An induction heating device for rack hardening as defined in claim 1, characterized in that: The carrier (10) is provided with grooves on the upper and lower surfaces for clamping the rack (11), two racks (11) can be clamped simultaneously and fixed through set screws.

4. An induction heating device for rack hardening as defined in claim 1, characterized in that: The position of the liquid cooling pool (12) is set according to the heating position of the rack (11), when the electric sliding block (3) moves downward, the electric push rod (8) swings around the hinge (7) and immerses the carrier (10) into the liquid cooling pool (12).

5. An induction heating device for rack hardening as defined in claim 1, wherein: The induction coil (14) is in a spiral rectangular shape, the distance between the inner wall of the induction coil (14) in the width direction and the tooth top of the rack (11) is 5-10mm, and the distance between the inner wall of the induction coil (14) in the length direction and the carrier (10) is not less than 40mm.

6. An induction heating device for rack hardening as defined in claim 1, wherein: The material of the carrier (10) is nickel-based alloy, the electric sliding block (3) has a brake structure, and can stop at the end point after moving on the guide rail (2), and will not slide freely along the guide rail under the action of gravity.

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