CN218580002U - Shielding ring induction quenching inductor for strengthening surface of die - Google Patents

Shielding ring induction quenching inductor for strengthening surface of die Download PDF

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CN218580002U
CN218580002U CN202222412513.6U CN202222412513U CN218580002U CN 218580002 U CN218580002 U CN 218580002U CN 202222412513 U CN202222412513 U CN 202222412513U CN 218580002 U CN218580002 U CN 218580002U
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ring
cooling water
contact
contact frame
effective heating
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王达鹏
陈雪元
张林阳
佟鑫
杨庆波
刘健
刘尚
李井微
王兴伟
张忠海
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FAW Group Corp
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FAW Group Corp
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The utility model provides a mould surface is reinforceed with screening ring induction hardening inductor, effective heating wire is ring shape and is equipped with the screening ring, can effectively improve mould turn-ups plastic flange face and press the local region induction hardening of material face and reinforce the homogeneity, the sclerosis layer is circular evenly distributed, be applicable to mould turn-ups plastic flange face and press the quenching of material face local region, and it is simple to have a manufacturing, effectual characteristics, mould surface hardening region is circularly, increase heating area, and because its ring type structure, can't make the corresponding magnetizer shape of processing, consequently, be equipped with the screening ring on ring shape heating wire upper portion, effectively order about response electromagnetism line and act on the mould and treat the regional surface of quenching, there is stronger pertinence, can realize that mould turn-ups plastic flange face and the local sclerosis layer of material face position are circular evenly distributed, improve induction hardening efficiency, the effect is stronger.

Description

Shielding ring induction quenching inductor for strengthening surface of die
Technical Field
The utility model belongs to the technical field of the mould is reinforceed, concretely relates to mould surface is reinforceed with screening ring induction hardening inductor.
Background
The flange surface and the material pressing surface of the flanging reshaping flange surface in the automobile die are common working parts for die working, the reshaping die surface is used for stamping and forming a plate, the material pressing surface plays a key role in pressing the plate, the local area has higher quality requirement on quenching strengthening, three quenching methods of flame quenching, laser quenching and induction quenching can be generally adopted in order to improve the local surface strength of the flange surface and the material pressing surface of the flanging reshaping flange surface, and the induction quenching process utilizes an induced current penetration heating method, so that the ideal effective hardened layer depth and shape of the flange surface and the material pressing surface of the flanging reshaping flange surface can be stably realized, and the application of the induction quenching process is wider.
The flange face and the pressing face of the flanging and reshaping die of the automobile die need to be repeatedly and slowly heated by an existing general induction quenching inductor which can be used for induction heating of a plane and an R angle in actual production by utilizing an induction quenching process method due to large area of the flange face and the pressing face of the flanging and reshaping die, and the speed is still slow for the large-area induction quenching strengthening process which needs the flange face and the pressing face of the flanging and reshaping die because the general inductor has small sweeping area and low pertinence and efficiency due to universality. Therefore, it is urgently needed to develop an inductor which can efficiently and quickly realize large-area induction quenching strengthening, and can effectively improve the induction quenching efficiency, shorten the quenching time of the die and further improve the die processing and manufacturing efficiency aiming at the shape structures of the flange surface and the pressing surface of the die flanging and shaping.
Disclosure of Invention
To the defect that exists among the above-mentioned prior art, the utility model provides a mould surface is reinforceed with screening ring response quenching inductor, the inductor can be applicable to mould turn-ups plastic flange face and press the quenching of material face local area, and the pertinence is stronger, and the sclerosis layer is circular evenly distributed, and work efficiency is higher.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
the utility model provides a mould surface reinforces with shielding ring induction hardening inductor, including first contact frame, the second contact frame, the cooling water inlet tube, the cooling water outlet pipe, first transition wire, second transition wire and effective heating ring, the effective heating ring is the annular effective heating coil structure of circle, the one end of cooling water inlet tube and cooling water outlet pipe is linked together with the effective heating ring respectively through first transition wire and second transition wire respectively, realize that the cooling water route switches on, the other end of cooling water inlet tube and cooling water outlet pipe is linked together with the through-hole on first contact frame and the second contact frame respectively, the one end of first contact frame and second contact frame links to each other with external power source, the other end of first contact frame and second contact frame links to each other with cooling water inlet tube and cooling water outlet pipe respectively, realize that the circuit switches on.
The further technical scheme comprises the following steps:
still include the shielding ring, the circular solid plate structure that the shielding ring was made for the red copper material, the external diameter of shielding ring is the same with the external diameter of effective heating ring, and the shielding ring bonds on the upper portion of effective heating ring through the cementing, orders about the response electromagnetic wire and tends to the mould and treat the intensive surface area.
The insulating plate, the insulating screw and the insulating nut are further included; the insulation board is fixed between the first contact frame and the second contact frame through an insulation nail and an insulation nut.
The first contact frame and the second contact frame are identical in structure and are both L-shaped frame bodies formed by welding the first contact plate and the second contact plate.
The upper surface of the first contact plate is provided with a rectangular through hole, the lower end face of the first contact plate is welded with the second contact plate, the upper end faces of the first contact plates of the first contact frame and the second contact frame are respectively connected with the positive pole and the negative pole of an external power supply through the pressing plate, and the second contact plates of the first contact frame and the second contact frame are respectively welded with the first transition lead and the second transition lead.
The effective heating ring is of a circular ring structure with a notch, wherein the circular ring structure is formed by bending a hollow red copper square tube with the length, the width and the thickness of 6mm, 5mm and 1mm, one end of the effective heating ring is communicated with the first transition wire in a welding mode, and the other end of the effective heating ring is communicated with the second transition wire in a welding mode, so that the electric conduction and the conduction of cooling water are realized.
The included angle alpha between the outer side surface of one end of the effective heating circular ring positioned in the quenching area of the convex die surface or the pressing surface of the die and the outer side surfaces of the first transition lead and the second transition lead is 125-145 degrees.
The first contact frame, the second contact frame, the cooling water inlet pipe, the cooling water outlet pipe, the first transition lead, the second transition lead and the effective heating ring are all made of red copper.
Compared with the prior art, the beneficial effects of the utility model are that:
1. induction quenching inductor can realize effectively improving mould turn-ups plastic flange face and press the local regional induction quenching of material face and strengthen the homogeneity, and the sclerosis layer is circular evenly distributed, is applicable to mould turn-ups plastic flange face and presses the quenching of material face local area, and has and makes simply effectual characteristics.
2. The utility model discloses a mould turn-ups plastic flange face and pressure facing position induction hardening inductor simple structure, mould surface hardening zone is circularly, increase heating area, and because its ring type structure, the magnetizer shape that can't assemble the correspondence, consequently, ring shape heating wire upper portion is equipped with the shield ring, the response electromagnetic wire trend that can effectively produce when induction heating is heated the surface by the heating, thereby realize that induction heating quenches regional surface hardening layer and presents circular continuous evenly distributed, the shield ring is circular solid red copper material, the external diameter is the same with effective heating wire external diameter, the shield ring bonds on ring shape effective heating wire upper portion through gluing, effectively order about response electromagnetic wire and act on the mould and treat the regional surface of quenching, there is stronger pertinence, can realize that mould turn-ups plastic flange face and the local sclerosis layer of pressure facing position are circular evenly distributed, improve induction hardening efficiency, the action is stronger, and when effectively improving heating pertinence, can effectively weaken the heating and heat, avoid local high temperature to lead to overburning or the melting, high heating quenching speed, high efficiency, surface hardness, effective hardening layer degree of depth and tissue satisfies relevant hardening requirement, it is simple to have the characteristics of manufacturing effect.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a front view of the induction hardening sensor of the present invention.
Fig. 2 is a left side view of the induction hardening sensor according to the present invention.
Fig. 3 is a top view of the induction hardening sensor of the present invention.
Fig. 4 is an oblique 3D view of the induction hardening sensor of the present invention.
Fig. 5 is an oblique 3D view of the induction hardening inductor of the present invention when the shield ring is not assembled.
Fig. 6 is a top view of the induction hardening inductor of the present invention without the shield ring.
FIG. 7 is a diagram showing the quenching effect comparison between the shield ring inductor and the unassembled shield ring inductor in the induction quenching inductor of the present invention.
In the figure: 1. the induction electromagnetic wire comprises a first contact frame, 2, a second contact frame, 3, a cooling water inlet pipe, 4, a cooling water outlet pipe, 5, a first transition wire, 6, a second transition wire, 7, an effective heating ring, 8, a shielding ring, 9, an insulating plate, 10, an insulating screw, 11, an insulating nut, 12, a water inlet, 13, a water outlet, 14, a to-be-strengthened area of a mold, 15, a hardening area and 16, an induction electromagnetic wire.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
for clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a large-scale convex mould face of mould and pressure face position induction hardening inductor, shown induction hardening inductor comprises first contact frame 1, second contact frame 2, cooling water inlet tube 3, cooling water outlet pipe 4, first transition wire 5, second transition wire 6, effective heating ring 7, shield ring 8, insulation board 9, insulating screw 10, insulating nut 11. Wherein, first contact frame 1 and second contact frame 2 are linked together with the one end of cooling water inlet tube 3 and cooling water outlet pipe 4 respectively, the one end of effective heating ring 7 is linked together with the one end of first transition wire 5 and second transition wire 6 respectively, make cooling water inlet tube 3, first transition wire 5, effective heating ring 7, second transition wire 6 and cooling water outlet pipe 4 are linked together and form the recirculated cooling water return circuit, shielding ring 8 sets up in the wire top of effective heating ring 7, bond through the cementing mode. The detailed components and connection relationship of the induction hardening inductor are as follows:
the first contact plate 1 and the second contact plate 2 have the same structure and are symmetrically arranged in parallel, and the first contact frame 1 and the second contact frame 2 are L-shaped frame bodies formed by vertically butting two contact plates. The L-shaped first contact frame 1 and the L-shaped second contact frame 2 are respectively made by vertically splicing a first contact plate with the length multiplied by the width multiplied by the thickness of 25mm multiplied by 14mm multiplied by 5mm and a second contact plate with the length multiplied by the width multiplied by the thickness of 24mm multiplied by 20mm multiplied by 5mm into an L shape and then welding, and the first contact plate and the second contact plate are both red copper plates. The upper surface of the first contact plate is milled with a rectangular through hole of 8mm multiplied by 4mm, and the rectangular through hole is used for communicating a circulating cooling water loop inside a handheld mobile power supply of the superaudio portable die quenching equipment with a cooling water inlet pipe 3 and a cooling water outlet pipe 4; the lower terminal surface of the first contact plate of the first contact frame 1 and the second contact frame 2 is welded with the second contact plate, then the upper terminal surface of the first contact plate of the first contact frame 1 and the second contact frame 2 is respectively connected with the positive and negative electrodes of the handheld mobile power supply of the portable die quenching device of the superaudio frequency through the pressing plate, the upper end plane of the first contact plate of the first contact frame 1 and the second contact frame 2 is pressed tightly on the red copper plate plane of the positive and negative electrodes of the handheld power supply connecting end of the portable die quenching device of the superaudio frequency through the pressing plate, so that the first contact frame 1 and the second contact frame 2 are respectively connected with the positive and negative electrodes of the handheld mobile power supply, and the second contact plates of the first contact frame 1 and the second contact frame 2 are welded with the corresponding transition wires, thereby connecting the conductive loop of the induction quenching sensor to the two mobile electrodes of the handheld mobile power supply. An insulating plate 9 made of polytetrafluoroethylene material with the thickness of 2mm is arranged between the first contact frame 1 and the second contact frame 2, the insulating plate 9 is fixed between the first contact frame 1 and the second contact frame 2 through an insulating screw 10 and an insulating nut 11, and the first contact frame 1 and the second contact frame 2 are prevented from being accidentally connected and short-circuited.
The cooling water inlet pipe 3 and the cooling water outlet pipe 4 are identical in structure and are both made of hollow copper tubes with the length, the width and the thickness of 10mm, the width and the thickness of 6mm and the thickness of 1mm, the cooling water inlet pipe 3 and the cooling water outlet pipe 4 are arranged in parallel and symmetrically, one end of the cooling water inlet pipe 3 is a water inlet 12, the other end of the cooling water inlet pipe 3 is a water inlet pipe connector, one end of the cooling water outlet pipe 4 is a water outlet 13, the other end of the cooling water outlet pipe is a water outlet pipe connector, the water inlet 12 of the cooling water inlet pipe 3 and the water outlet 13 of the cooling water outlet pipe 4 are both arranged upwards, the water inlet 12 of the cooling water inlet pipe 3 corresponds to a rectangular through hole in a first contact plate of the first contact frame 1, the water outlet 13 of the cooling water outlet pipe 4 corresponds to a rectangular through hole in a first contact plate of the second contact plate 2, the cooling water inlet 12 penetrates through the corresponding rectangular through hole in the first contact plate and is connected with an external cooling water tank through an internal cooling pipeline of a handheld power supply of the handheld portable die quenching equipment, and the cooling water outlet 13 penetrates through the corresponding rectangular through hole in the handheld power supply and is connected with an external recovery water tank; the water inlet pipe connector of cooling water inlet pipe 3 and the water outlet pipe connector of cooling water outlet pipe 4 are linked together with corresponding first transition wire 5 and second transition wire 6 respectively, will circulating cooling water passes through in the leading-in low reaches effective heating ring 7 cavity of cooling water inlet pipe 3 to derive through cooling water outlet pipe 4, and the produced heat of effective heating wire in the heating process is taken away to the time, for effective heating wire cooling, avoids effective heating wire to melt and decreases, ensures the sustainable normal stable work of response quenching inductor.
The first transition wire 5 and the second transition wire 6 have the same structure and are made of hollow copper tubes with the length, the width and the thickness of 10mm, the width and the thickness of 6mm and the thickness of 1mm, the first transition wire 5 and the second transition wire 6 are symmetrically arranged in parallel, one end of the first transition wire 5 is welded with a water inlet pipe connector of the cooling water inlet pipe 3, the other end of the first transition wire 5 is welded with one end of an effective heating ring 7 on the downstream corresponding side, one end of the second transition wire 6 is welded with a water outlet pipe connector of the cooling water outlet pipe 4, and the other end of the second transition wire 6 is welded with one end of the effective heating ring 7 on the downstream corresponding side. In addition, the cooling water inlet pipe 3 and the cooling water outlet pipe 4 are also welded with the second connecting plates of the first contact frame 1 and the second contact frame 2 respectively to realize the electric conduction function.
The effective heating ring 7 is a ring-shaped effective heating coil structure, the effective heating ring 7 is a ring-shaped structure with an opening, the ring-shaped structure is formed by bending a hollow red copper square tube with the length, the width and the thickness of 6mm, the thickness of 5mm and 1mm, the included angle alpha between the outer side surface of one end of the effective heating ring 7 positioned in a quenching area of a convex die surface or a pressing surface of a die and the outer side surfaces of the first transition lead 5 and the second transition lead 6 is 125-145 degrees, the angle arrangement can ensure that when the inductor works, the working area of the effective heating ring 7 can be kept parallel to the quenching areas of a flanging and shaping flange surface and the pressing surface of the die as far as possible, the handheld end of the inductor and the quenching area of the die are 30-60 degrees, the handheld end operation is convenient, and the outer diameter of the ring-shaped effective heating lead is about 50mm. One end of the effective heating ring 7 is in welding communication with the first transition lead 5, and the other end of the effective heating ring is in welding communication with the second transition lead 6, so that electric conduction and conduction of cooling water of the induction quenching inductor are realized; the effective heating ring 7 can be used for heating the flange surface and the material pressing surface of the flanging and shaping die.
The shielding ring 8 is circular solid purple copper material board, and the external diameter is the same with 7 external diameters of effective heating ring, and thickness 4mm, shielding ring 8 bond on 7 upper portions of effective heating ring through gluing, orders about the response electromagnetic wire and tends the mould and treat the intensive surface region, and the response electromagnetic wire that can effectively produce when with induction heating tends by the heated surface to realize that induction heating quenches regional case hardening layer and presents circular continuous evenly distributed, has stronger pertinence.
As shown in fig. 7, generally, when the effective heating ring 7 is equipped with the shielding ring 8, the induction electromagnetic wire above the effective heating ring 7 can be shielded, and the induction electromagnetic wire generated during induction heating tends to the surface of the region to be strengthened of the heated mold, so that the surface hardening layer of the induction heating quenching region is circularly, continuously and uniformly distributed; when the effective heating ring 7 is not provided with the shielding ring 8, the induction electromagnetic wire during induction heating is spatially divergent, only a small part of the induction electromagnetic wire acts on the surface of the area to be strengthened of the die, and the effect is poor.
Because a mould surface reinforce with screening ring induction hardening inductor be used for the mould quenching region of similar air cooling material when using more, consequently need not cooling water jacket, the air cooling quenching after the regional induction heating of quenching can.
The working process of the shielding ring induction quenching inductor for strengthening the surface of the die during working is as follows:
the method comprises the following steps: installing an inductor on a power connector held by a certain portable mould quenching device of a superaudio frequency, starting a power supply, wherein as shown in figure 7, the working part of an effective heating ring 7 of the inductor horizontally presses close to the flange surface of the flanging and reshaping of the mould and the quenching area of the material pressing surface, and the fit clearance between the inductor and the quenching convex mould surface or the material pressing surface area is within the range of 1.0 mm-1.5 mm;
step two: starting a heating switch, wherein the heating power is 30-45 kw, the heating time is 1.5-3.5S, then, the inductor is held by hand to move along the track of the required quenching area of the flange surface and the material pressing surface of the flanging and shaping die, the moving speed of the inductor is about 100-400 mm/min, the moving speed is adjusted at any time according to the heating effect, and the specific process parameters are detailed in table 1.
Step three: and (3) moving the inductor to the end point of the track of the quenching area, stopping heating, moving to the starting point of the heating track of the next area to be quenched, continuing the same steps until the induction quenching process of all the quenching areas is completed, closing the heating switch, and continuing air cooling the die to normal temperature to complete the induction quenching process of the flange surface and the pressing surface part of the die in the area to be quenched and strengthened.
TABLE 1 Process parameters
Output power Frequency of current Initial heating time Speed of heating scan
30~45KW 15~20KHZ 1.5~3.5S 100~400mm/min

Claims (8)

1. The utility model provides a mould surface is reinforceed with shield ring induction hardening inductor, including first contact frame (1), second contact frame (2), cooling water inlet tube (3), cooling water outlet pipe (4), first transition wire (5), second transition wire (6) and effective heating ring (7), its characterized in that, effective heating ring (7) are the annular effective heating coil structure of circle, the one end of cooling water inlet tube (3) and cooling water outlet pipe (4) is linked together with effective heating ring (7) respectively through first transition wire (5) and second transition wire (6) respectively, realize that the cooling water route switches on, the other end of cooling water inlet tube (3) and cooling water outlet pipe (4) is linked together with the through-hole on first contact frame (1) and second contact frame (2) respectively, the one end of first contact frame (1) and second contact frame (2) links to each other with external power supply, the other end of first contact frame (1) and second contact frame (2) links to each other with cooling water inlet tube (3) and cooling water inlet tube (4) respectively, realize that the outlet pipe switches on the circuit.
2. The induction hardening inductor of the shielding ring for mold surface strengthening as claimed in claim 1, further comprising a shielding ring (8), wherein the shielding ring (8) is a circular solid plate made of red copper, the outer diameter of the shielding ring (8) is the same as the outer diameter of the effective heating ring (7), the shielding ring (8) is bonded on the upper portion of the effective heating ring (7) by cementing, and the induction electromagnetic wire is driven to approach the surface area to be strengthened of the mold.
3. The induction hardening inductor for the shield ring for mold surface strengthening according to claim 1, further comprising an insulating plate (9), an insulating screw (10) and an insulating nut (11); the insulating plate (9) is fixed between the first contact frame (1) and the second contact frame (2) through an insulating screw (10) and an insulating nut (11).
4. The induction hardening inductor for the shielding ring for mold surface strengthening according to claim 1, wherein the first contact frame (1) and the second contact frame (2) have the same structure and are both L-shaped frame bodies formed by welding the first contact plate and the second contact plate.
5. The induction hardening sensor for the shielding ring used for mold surface hardening according to claim 4, wherein the upper surface of the first contact plate is provided with a rectangular through hole, the lower end surface of the first contact plate is welded with the second contact plate, the upper end surfaces of the first contact plates of the first contact frame (1) and the second contact frame (2) are respectively connected with the positive pole and the negative pole of the external power supply through the pressing plate, and the second contact plates of the first contact frame (1) and the second contact frame (2) are respectively welded with the first transition wire (5) and the second transition wire (6).
6. The induction hardening inductor for the shielding ring for mold surface strengthening according to claim 1, wherein the effective heating ring (7) is a circular ring structure with a notch formed by bending a hollow red copper square tube with a length, a width and a thickness of 6mm, 5mm and 1mm, one end of the effective heating ring (7) is in welding communication with the first transition wire (5), and the other end of the effective heating ring is in welding communication with the second transition wire (6), so that electric conduction and cooling water conduction are realized.
7. The shield ring induction hardening inductor for mold surface strengthening according to any one of claims 1 to 6, characterized in that an included angle α between an outer side surface of one end of the effective heating ring (7) located in the quenching area of the convex mold surface or the pressing surface of the mold and outer side surfaces of the first transition wire (5) and the second transition wire (6) is 125 ° to 145 °.
8. The induction hardening inductor for the shielding ring for mold surface strengthening according to any one of claims 1 to 5, characterized in that the first contact holder (1), the second contact holder (2), the cooling water inlet pipe (3), the cooling water outlet pipe (4), the first transition wire (5), the second transition wire (6) and the effective heating ring (7) are made of red copper.
CN202222412513.6U 2022-09-13 2022-09-13 Shielding ring induction quenching inductor for strengthening surface of die Active CN218580002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222412513.6U CN218580002U (en) 2022-09-13 2022-09-13 Shielding ring induction quenching inductor for strengthening surface of die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222412513.6U CN218580002U (en) 2022-09-13 2022-09-13 Shielding ring induction quenching inductor for strengthening surface of die

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CN218580002U true CN218580002U (en) 2023-03-07

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CN202222412513.6U Active CN218580002U (en) 2022-09-13 2022-09-13 Shielding ring induction quenching inductor for strengthening surface of die

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