CN216473328U - Workpiece hole heat treatment device - Google Patents
Workpiece hole heat treatment device Download PDFInfo
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- CN216473328U CN216473328U CN202122384000.4U CN202122384000U CN216473328U CN 216473328 U CN216473328 U CN 216473328U CN 202122384000 U CN202122384000 U CN 202122384000U CN 216473328 U CN216473328 U CN 216473328U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The application discloses a workpiece hole heat treatment device, wherein a workpiece hole is arranged around a workpiece, and the heat treatment device comprises a base, a rotating motor, a positioning structure, an electromagnetic inductor and a position detector; the base is provided with a heating station, the rotating motor is connected with the base, and the rotating motor can drive the base to rotate; the positioning structure comprises a positioning piece, and the positioning piece fixes the workpiece on the heating station; the electromagnetic inductor is provided with an induction part, the induction part is positioned on the side surface of the heating station, the induction part is provided with a through hole corresponding to the shape of the workpiece hole, the induction part is wound with an induction coil, current is introduced into the induction coil, and the induction coil performs electromagnetic induction heating on the surface around the workpiece hole of the workpiece positioned on the heating station; under the drive of the rotating motor, the base rotates, and the induction part sequentially carries out electromagnetic induction heating on the surfaces around all the workpiece holes; the position detector is positioned on the electromagnetic inductor and corresponds to the through hole, and the position detector is used for detecting the position of the workpiece hole.
Description
Technical Field
The utility model relates to the technical field of part machining, in particular to a heat treatment device for a workpiece hole.
Background
The high-frequency quenching is a metal heat treatment method which generates a certain induction current on the surface of a workpiece, rapidly heats the surface of the part and then rapidly quenches the part, and is mainly used for surface quenching of industrial metal parts.
For parts with hole structures, the heat treatment effect of the existing high-frequency quenching process is poor, the hardness of the hole opening position of the part can not meet the product requirement generally, the service life of the part is influenced, the part is easy to crack, and when the surface area of the part is larger, a large amount of energy loss can be caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem explained in the background technology, the application aims to provide the workpiece hole heat treatment device, the application carries out independent high-frequency quenching on the workpiece hole, the hardness of the workpiece hole opening position is guaranteed to reach the standard, the workpiece quality is improved, the quenching efficiency is improved, and the energy loss is reduced.
In order to achieve the purpose, the technical scheme is as follows:
a heat treatment device for a workpiece hole, the workpiece hole being arranged around a workpiece, the heat treatment device comprising a base, a rotary motor, a positioning structure, an electromagnetic inductor and a position detector; the base is provided with a heating station, the rotating motor is connected with the base, and the rotating motor can drive the base to rotate; the positioning structure comprises a positioning piece, and the positioning piece fixes the workpiece on the heating station; the electromagnetic inductor is provided with an induction part, the induction part is positioned on the side surface of the heating station, the induction part is provided with a through hole corresponding to the shape of the workpiece hole, an induction coil is wound on the induction part, current is introduced into the induction coil, and the induction coil performs electromagnetic induction heating on the surface around the workpiece hole of the workpiece positioned on the heating station; the base rotates under the driving of the rotating motor, and the induction part sequentially carries out electromagnetic induction heating on the surfaces around all the workpiece holes; the position detector is located at the electromagnetic inductor, corresponds to the through hole and is used for detecting the position of the workpiece hole.
Therefore, when the workpiece is subjected to heat treatment, the workpiece is fixed on a heat treatment station through the positioning piece, the possibility that the heat treatment position has deviation due to unreliable positioning in the heat treatment process of the workpiece is reduced, the position of a workpiece hole can be aligned, and the quality of the workpiece is ensured; then, the base is driven to rotate through the rotating motor, so that the workpiece positioned at the heating station rotates, and when the position detector detects that the through hole is aligned with the workpiece hole, the induction part is aligned with the peripheral surface of the heating hole; and finally, current is introduced into the induction coil, and the heating station is driven to rotate by the rotating motor, so that the induction part sequentially performs electromagnetic induction heating on the surfaces around all the workpiece holes.
As a preferable mode of the present invention, the position detector illustratively includes a signal emitter and a signal receiver, the emitter and the receiver being respectively located on both sides of the heating station in a direction perpendicular to a rotation direction of the heating station. Therefore, only when the workpiece hole is aligned with the through hole, the signal sent by the signal transmitter can pass through the through hole and the workpiece hole and be received by the signal receiver, and therefore accurate alignment of the sensing part and the peripheral surface of the heating hole is achieved.
As a preferable aspect of the present invention, the position detector illustratively includes an infrared sensor.
As a preferable aspect of the present invention, the heat treatment mechanism further includes a controller, and the controller is electrically connected to the position detector and the rotating electrical machine, respectively; the controller controls the rotary motor to stop rotating whenever the position detector detects that the through hole corresponds to the workpiece hole position. From this, realize automatic accurate alignment, can further improve the response portion and with the precision that the surface position corresponds around the heating hole.
As a preferable aspect of the present invention, for example, a contour shape of the sensing portion corresponds to a contour shape of the workpiece hole. Therefore, the contour shape of the surface subjected to heat treatment around the workpiece hole corresponds to the contour shape of the workpiece hole, so that the heat treatment effect is ensured, the energy loss is reduced, and the accuracy of the heat treatment position is ensured. The contour shape of the surface subjected to heat treatment around the workpiece hole corresponds to the contour shape of the workpiece hole, so that the workpiece hole can be heated in a balanced manner, and the possibility of cracking of the workpiece hole is reduced.
As a preferable aspect of the present invention, the sensing portions are exemplarily distributed on both sides of the heating station in a direction perpendicular to a rotation direction of the heating station. Therefore, the heat treatment uniformity of the workpiece hole can be improved by simultaneously carrying out heat treatment on the peripheral surfaces of the two sides of the workpiece hole, an interlayer is effectively prevented from appearing in the middle layer of the workpiece hole, the possibility of cracking of the workpiece hole is reduced, and the heat treatment efficiency is improved.
As a preferable mode of the present invention, for example, the workpiece has a plurality of protruding portions, each of the protruding portions is provided with two of the workpiece holes, and two of the workpiece holes closest to each other on two of the protruding portions are set as a group; when the workpieces are fixed on the heating station, the induction part sequentially carries out electromagnetic induction heating on the surfaces around the workpiece holes of each group along the rotation direction of the heating station. Thus, adjacent workpiece apertures on adjacent tabs are heat treated each time to compensate for differences in flatness of the workpiece apertures on different tabs.
As a preferable aspect of the present invention, for example, the electromagnetic inductor is provided with an adjusting portion, and the adjusting portion is connected to a side of the induction portion away from the heating station, and is configured to adjust a distance between the induction portion and the heating station to adjust an area of a surface to be heated. Therefore, the area of the heated surface around the workpiece hole is changed by changing the gap between the induction coil and the surface around the workpiece hole, the heating area can be reduced to the minimum range according to different process requirements, extra stress and strain are reduced, the possibility of deformation of the workpiece hole is reduced, and the hardness requirement of the surface around the workpiece hole can be ensured.
As a preferable aspect of the present invention, for example, the workpiece has a positioning hole, one side of the base having the heating station has a pin hole, and the positioning element includes a positioning pin, and the positioning pin sequentially enters the positioning hole and the pin hole to position the workpiece at the heating station. Therefore, the possibility of deviation of the heat treatment position caused by unreliable positioning of the workpiece in the heat treatment process can be reduced, meanwhile, the position of the workpiece hole can be aligned to provide guarantee, the quality of the workpiece is guaranteed, the structure is simple, and the manufacturing cost is low.
As a preferable mode of the present invention, the positioning structure further includes a positioning head that moves in a direction perpendicular to a rotation direction of the heating station to abut the workpiece against the base to clamp the workpiece. Therefore, the possibility of deviation of the heat treatment position caused by unreliable positioning of the workpiece in the heat treatment process can be reduced, meanwhile, the position of the workpiece hole can be aligned to provide guarantee, the quality of the workpiece is guaranteed, the structure is simple, and the manufacturing cost is low.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of a heat treatment apparatus according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a workpiece according to an embodiment of the present application.
1. A workpiece; 11. a workpiece hole; 12. a protrusion; 13. positioning holes;
2. a base; 21. a heating station;
3. a rotating electric machine;
4. a positioning structure; 41. a positioning member; 42. positioning the head;
5. an electromagnetic inductor; 51. a sensing part; 511. and a through hole.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.
In order to ensure that the hardness of the position of the hole of the workpiece reaches the standard, improve the quality of the workpiece, improve the quenching efficiency and reduce the energy loss, the application provides a heat treatment device for the workpiece hole, and fig. 1 is a schematic structural diagram of the heat treatment device in an embodiment of the application; fig. 2 is a schematic structural diagram of a workpiece according to an embodiment of the present application.
Referring to fig. 1 and 2, a heat treatment apparatus for a workpiece hole, in which a workpiece hole 11 is provided around a workpiece 1, includes a base 2, a rotary electric machine 3, a positioning structure 4, an electromagnetic inductor 5, and a position detector; the base 2 is provided with a heating station 21, the rotating motor 3 is connected with the base 2, and the rotating motor 3 can drive the base 2 to rotate; the positioning structure 4 comprises a positioning piece 41, and the positioning piece 41 fixes the workpiece 1 at the heating station 21; the electromagnetic inductor 5 is provided with an induction part 51, the induction part 51 is positioned on the side surface of the heating station 21, the induction part 51 is provided with a through hole 511 corresponding to the shape of the workpiece hole 11, the induction part 51 is wound with an induction coil, current is introduced into the induction coil, and the induction coil performs electromagnetic induction heating on the surface around the workpiece hole 11 of the workpiece 1 positioned in the heating station 21; under the drive of the rotating motor 3, the base 2 rotates, and the induction part 51 sequentially carries out electromagnetic induction heating on the surfaces around all the workpiece holes 11; the position detector is located at the electromagnetic sensor 5, and the position detector corresponds to the position of the through hole 511, and is used for detecting the position of the workpiece hole 11.
Therefore, when the workpiece 1 is subjected to heat treatment, the workpiece 1 is firstly fixed on a heat treatment station through the positioning piece 41, so that the possibility of deviation of a heat treatment position caused by unreliable positioning of the workpiece 1 in the heat treatment process is reduced, the position of the workpiece hole 11 can be aligned and guaranteed, and the quality of the workpiece 1 is ensured; then, the rotating motor 3 drives the base 2 to rotate, so that the workpiece 1 positioned at the heating station 21 rotates, and when the position detector detects that the through hole 511 is aligned with the workpiece hole 11, the induction part 51 is aligned with the peripheral surface of the heating hole; finally, current is supplied to the induction coil, and the heating station 21 is driven to rotate by the rotating motor 3, so that the induction portion 51 sequentially performs electromagnetic induction heating on the surfaces around all the workpiece holes 11.
It should be understood by those skilled in the art that the present application utilizes the principle of electromagnetic induction, specifically, by generating an alternating magnetic field varying at a high speed in the line of the induction coil, when the magnetic line of the magnetic field passes through the metal, an alternating current (i.e. an eddy current) is generated in the metal, and the eddy current makes the metal atoms move randomly at a high speed, so that the metal atoms collide with each other and rub against each other to generate heat energy, so that the heated body containing the metal generates heat at a high speed by itself, thereby performing high-frequency quenching heat treatment on the workpiece 1, and rapidly heating the surface around the workpiece hole 11 to improve the heat treatment efficiency.
It should be understood by those skilled in the art that, the frequency of the current flowing into the induction coil is different, the intensity of the alternating magnetic field generated by the induction coil is different, and therefore, the heat treatment effect is different, the hardness of the workpiece 1 after heat treatment is different, the frequency is higher, the magnetic field strength is higher, the heating temperature is higher, conversely, the frequency is lower, the magnetic field strength is lower, and the heating temperature is lower, therefore, in the present application, the corresponding heat treatment temperature can be selected according to the hardness requirement of the workpiece hole 11, the power supply with the corresponding frequency can be selected according to the heat treatment temperature, so as to supply the current with the corresponding frequency to the induction coil, and obtain the workpiece 1 meeting the requirement, as an exemplary embodiment, the voltage of the power supply can be changed by using a transformer to change the frequency, so that the frequency of the power supply can be selected correspondingly, and as an exemplary, in the heat treatment device, the frequency of the power supply can be selected correspondingly through a key, The frequency of the power source may be selected by touch, remote control, etc., and the thermal treatment device may illustratively have a preselected value of power source frequency for selection by a user, or the user may be able to set a power source frequency of any value.
It should be understood by those skilled in the art that, because the manufacturing accuracy, the number of the workpiece holes 11, the arrangement of the workpiece holes 11, and other structural features of different workpieces 1 may be different, and the requirement on the manufacturing accuracy of the heat treatment apparatus is high when the surrounding surfaces of all the workpiece holes 11 of the workpiece 1 are simultaneously heated at one time, the present application can group the workpiece holes 11 of the workpiece 1, perform high-frequency quenching on the workpiece holes 11 in units of groups, reduce the manufacturing accuracy of the heat treatment apparatus, reduce the manufacturing cost of the heat treatment apparatus, and avoid performing heat treatment on all the surfaces of the workpiece 1, thereby reducing energy loss.
It will be understood by those skilled in the art that, in the heat treatment, the hardness can be increased again by performing the secondary tempering at a reduced heat treatment temperature, and the wear resistance and fatigue resistance can be ensured, and therefore, as a preferred aspect of the present invention, the induction portion 51 performs the electromagnetic induction heating twice each time the surface around the workpiece hole 11 is subjected to the heat treatment, the heating power of the first induction heating is greater than that of the second induction heating, and the heating time period of the first induction heating is greater than that of the second induction heating.
It will be understood by those skilled in the art that after the heat treatment, the hardness of the workpiece 1 needs to be measured, and the hardness measurement method may include vickers hardness method, microstructure method, microhardness method, hardness method, metallographic method, and the like, and exemplarily, the hardness measurement position may measure a plurality of positions for each workpiece hole 11, each position may measure a plurality of layers, each layer may measure the depth of the hardened layer according to the gradient method, for example, the thickness of the workpiece 1 is 4mm, each workpiece hole 11 may measure 3 positions, referring to fig. 2, MP1, MP2, and MP3, respectively, each detection position may measure 3 layers, each layer may measure the depth of the hardened layer according to the gradient method, the surface hardness of each workpiece hole 11 after the heat treatment is greater than 720HV1, and the depth of the layer reaches 0.5mm to 4mm, and the workpiece 1 is qualified. For example, the hardness can be detected by sampling the workpiece holes 11, and the workpiece holes 11 can be detected one by one.
It should be understood by those skilled in the art that the inspection of the workpiece hole 11 after the heat treatment may also include inspection of the flatness, perpendicularity, and location of the workpiece hole 11, and the workpiece hole 11 cannot be cracked, for example, the flatness of the workpiece hole 11 should be less than 0.25mm, the perpendicularity should be less than 0.025mm, the location standard should be 0.04mm location band, and the location should be 0.12 mm.
It should be understood by those skilled in the art that the specific values of the flatness, perpendicularity, and positional accuracy of the workpiece hole 11 in the above description are illustrative examples for easy understanding, and the protection range in the present embodiment includes, but is not limited to, the above-mentioned values and value ranges.
In order to improve the accuracy of the sensing part 51 and the position corresponding to the peripheral surface of the heating hole, as a preferred embodiment of the present invention, the position detector illustratively includes a signal emitter and a signal receiver, which are respectively located on both sides of the heating station 21 in a direction perpendicular to the rotation direction of the heating station 21. Thus, only when the workpiece hole 11 is aligned with the through hole 511, a signal from the signal transmitter is received by the signal receiver through the through hole 511 and the workpiece hole 11, thereby achieving accurate alignment of the sensing part 51 and the peripheral surface of the heating hole.
As a preferable aspect of the present invention, the position detector illustratively includes an infrared sensor.
As a preferable aspect of the present invention, the heat treatment mechanism further includes a controller, and the controller is electrically connected to the position detector and the rotating motor 3, respectively; the controller controls the rotary motor 3 to stop rotating every time the position detector detects that the through hole 511 corresponds to the position of the workpiece hole 11. Thus, automatic accurate alignment is achieved, and the accuracy of the sensing part 51 and the position of the surface around the heating hole can be further improved.
In order to reduce energy loss, improve the heat treatment effect, ensure the position accuracy of the heat treatment on the peripheral surface of the workpiece hole 11, avoid additional stress and strain during the heat treatment, and reduce the possibility of cracking of the workpiece hole 11, as a preferred embodiment of the present invention, the contour shape of the sensing portion 51 corresponds to the contour shape of the workpiece hole 11. Therefore, the contour shape of the surface subjected to heat treatment around the workpiece hole 11 corresponds to the contour shape of the workpiece hole 11, so that the heat treatment effect is ensured, the energy loss is reduced, and the accuracy of the heat treatment position is ensured. The contour shape of the surface subjected to heat treatment around the workpiece hole 11 corresponds to the contour shape of the workpiece hole 11, so that the workpiece hole 11 can be heated in a balanced manner, and the possibility of cracking of the workpiece hole 11 can be reduced.
Through the utility model discloses many times experimental study of people, utility model people finds that after carrying out heat treatment, the layer of entrainment may appear in the hardness intermediate level of work piece hole 11 to the both sides of work piece 1 may cause work piece hole 11 to ftracture when being heated unevenly, especially when the temperature that only carries out single face heat treatment is too big, also may cause work piece hole 11 to ftracture easily, consequently, in order to improve the uniformity of being heated when work piece 1 carries out heat treatment, reduce the possibility that the layer of entrainment appears in work piece hole 11 intermediate level, as a preferred scheme of the utility model, exemplarily, along the direction that is perpendicular to heating station 21 direction of rotation, response portion 51 distributes in the both sides of heating station 21. Therefore, the heat treatment uniformity of the workpiece hole 11 can be improved by simultaneously performing heat treatment on the peripheral surfaces of the two sides of the workpiece hole 11, the interlayer of the middle layer of the workpiece hole 11 is effectively avoided, the possibility of cracking of the workpiece hole 11 is reduced, and the heat treatment efficiency is improved.
Through multiple experimental researches of the utility model, when the utility model finds that the workpiece 1 is thin, after local heat treatment is carried out on the workpiece holes 11, the flatness deformation of the workpiece 1 is easily caused to be large, one of the reasons found by the utility model lies in the overall structure design of the workpiece 1, and due to the overall structure design of the workpiece 1, if the workpiece holes 11 are not properly grouped, the flatness of each group of workpiece holes 11 can be caused to be different, in order to compensate the flatness, as a preferred scheme of the utility model, exemplarily, the workpiece 1 is provided with a plurality of protruding parts 12, each protruding part 12 is provided with two workpiece holes 11, and the two workpiece holes 11 which are closest to each other on the two adjacent protruding parts 12 are set into a group; when the workpiece 1 is fixed to the heating station 21, the induction portion 51 sequentially electromagnetically induction-heats the surfaces around each set of workpiece holes 11 in the rotational direction of the heating station 21. Thus, adjacent workpiece holes 11 on adjacent lugs 12 are heat treated each time to compensate for differences in flatness of the workpiece holes 11 on different lugs 12, which may be in the order of workpiece holes a and B, workpiece holes C and D, workpiece holes E and F, workpiece holes G and H, as exemplified in fig. 2.
It should be understood by those skilled in the art that the structural form of the workpiece 1 in fig. 2 is only one of the structural forms of the workpiece 1 in the present application, the structural form of the workpiece 1 in fig. 2 is only an example for easy understanding, and the structural design of the workpiece 1 and the workpiece holes 11 in the present application includes, but is not limited to, the structural design of the workpiece 1 and the workpiece holes 11 in fig. 2, and the number and arrangement of the workpiece holes 11.
It will be understood by those skilled in the art that, with other factors and conditions unchanged, the smaller the gap between the induction coil and the surface surrounding the workpiece aperture 11, the more magnetic field lines of force that pass through the workpiece 1, the more eddy currents that are generated around the workpiece hole 11, which can cause the larger heat-treated area of the surface around the workpiece hole 11, the larger the heat-treated area, the corresponding increase in additional stress and strain, for example, referring to fig. 2, additional stresses and strains may be generated at locations opposite MP2, which may directly adversely affect the hardness and deformation of the surrounding surface of workpiece aperture 11, in order to be able to adapt to different process requirements and to ensure the quality of the workpiece 1, as a preferred embodiment of the utility model, the electromagnetic inductor 5 is provided with an adjusting portion, which is connected to the side of the induction portion 51 remote from the heating station 21, for adjusting the distance of the induction part 51 from the heating station 21 to adjust the area of the surface to be heated. Therefore, the area of the heated surface around the workpiece hole 11 can be changed by changing the gap between the induction coil and the surface around the workpiece hole 11, the heating area can be reduced to the minimum range according to different process requirements, extra stress and strain are reduced, the possibility of deformation of the workpiece hole 11 is reduced, and the hardness requirement of the surface around the workpiece hole 11 can be ensured. For example, the adjusting part may be an adjusting rod connected to the sensing part 51.
In order to reduce the possibility of deviation of the heat treatment position of the workpiece 1 caused by unreliable positioning in the heat treatment process, and meanwhile, in order to provide guarantee for alignment of the position of the workpiece hole 11 and ensure the quality of the workpiece 1, as a preferred scheme of the utility model, the workpiece 1 is exemplarily provided with a positioning hole 13, one side of the base 2 provided with the heating station 21 is provided with a pin hole, and the positioning part 41 comprises a positioning pin which sequentially enters the positioning hole 13 and the pin hole so as to position the workpiece 1 at the heating station 21.
In order to reduce the possibility of deviation of the heat treatment position of the workpiece 1 caused by unreliable positioning during the heat treatment process, and simultaneously, to provide guarantee for alignment of the position of the workpiece hole 11 and ensure the quality of the workpiece 1, as a preferred scheme of the utility model, the positioning structure 4 further comprises a positioning head 42, and the positioning head 42 is exemplarily moved along a direction perpendicular to the rotation direction of the heating station 21 so as to enable the workpiece 1 to abut against the base 2 to clamp the workpiece 1. With reference to fig. 1, the positioning head 42 can clamp the workpiece 1 on the heating station 21 of the base 2. It will be appreciated by those skilled in the art that the positioning head 42 may be manually powered or may be electrically, hydraulically or pneumatically powered.
It should be understood by those skilled in the art that the values and value ranges in all the above examples are only illustrative examples for easy understanding, and the protection scope in the present embodiment is not limited to the values and value ranges in all the above examples.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A heat treatment apparatus for a workpiece aperture disposed about a workpiece, the heat treatment apparatus comprising: the device comprises a base, a rotating motor, a positioning structure, an electromagnetic inductor and a position detector;
the base is provided with a heating station, the rotating motor is connected with the base, and the rotating motor can drive the base to rotate;
the positioning structure comprises a positioning piece, and the positioning piece fixes the workpiece on the heating station;
the electromagnetic inductor is provided with an induction part, the induction part is positioned on the side surface of the heating station, the induction part is provided with a through hole corresponding to the shape of the workpiece hole, an induction coil is wound on the induction part, current is introduced into the induction coil, and the induction coil performs electromagnetic induction heating on the surface around the workpiece hole of the workpiece positioned on the heating station; the base rotates under the driving of the rotating motor, and the induction part sequentially carries out electromagnetic induction heating on the surfaces around all the workpiece holes;
the position detector is located at the electromagnetic inductor, corresponds to the through hole and is used for detecting the position of the workpiece hole.
2. A workpiece hole heat treatment apparatus as defined in claim 1 wherein said position detector comprises a signal emitter and a signal receiver, said emitter and said receiver being located on either side of said heating station in a direction perpendicular to the direction of rotation of said heating station.
3. A workpiece hole heat treatment apparatus as defined in claim 2 wherein the position detector comprises an infrared sensor.
4. The apparatus of claim 1, wherein said heat treatment mechanism further comprises a controller electrically connected to said position detector and said rotating motor, respectively; the controller controls the rotary motor to stop rotating whenever the position detector detects that the through hole corresponds to the workpiece hole position.
5. The apparatus of claim 1, wherein the sensing portion has a contour shape corresponding to a contour shape of the workpiece hole.
6. The apparatus of claim 1, wherein said induction portion is disposed on both sides of said heating station in a direction perpendicular to a rotational direction of said heating station.
7. The apparatus according to claim 1 or 6, wherein said workpiece has a plurality of projections each having two of said workpiece holes, and two of said workpiece holes closest to each other in adjacent two of said projections are set as a group; when the workpieces are fixed on the heating station, the induction part sequentially carries out electromagnetic induction heating on the surfaces around the workpiece holes of each group along the rotation direction of the heating station.
8. The apparatus of claim 1, wherein the electromagnetic inductor is provided with an adjusting portion connected to a side of the induction portion away from the heating station for adjusting a distance between the induction portion and the heating station to adjust an area of a surface to be heated.
9. The apparatus of claim 1, wherein the workpiece has a positioning hole, the base has a pin hole at a side thereof having the heating station, and the positioning member includes a positioning pin sequentially inserted into the positioning hole and the pin hole to position the workpiece at the heating station.
10. The apparatus of claim 1, wherein the positioning structure further comprises a positioning head that moves in a direction perpendicular to a direction of rotation of the heating station to bring the workpiece into abutment with the base to clamp the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384000.4U CN216473328U (en) | 2021-09-29 | 2021-09-29 | Workpiece hole heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384000.4U CN216473328U (en) | 2021-09-29 | 2021-09-29 | Workpiece hole heat treatment device |
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| Publication Number | Publication Date |
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| CN216473328U true CN216473328U (en) | 2022-05-10 |
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| CN202122384000.4U Active CN216473328U (en) | 2021-09-29 | 2021-09-29 | Workpiece hole heat treatment device |
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| CN (1) | CN216473328U (en) |
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- 2021-09-29 CN CN202122384000.4U patent/CN216473328U/en active Active
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