CN112543524B

CN112543524B - Special induction heating equipment for heating pulley base body

Info

Publication number: CN112543524B
Application number: CN202011544170.8A
Authority: CN
Inventors: 王雪雷; 常青; 侯彦桃
Original assignee: Henan Lijie Cnc Technology Co ltd
Current assignee: Henan Lijie Cnc Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-08-05
Anticipated expiration: 2040-12-23
Also published as: CN112543524A

Abstract

The invention relates to a special induction heating device for heating a pulley base body, which comprises an electric control cabinet, an induction heater body, a feeding system, a water cooling system and a discharging device, wherein the electric control cabinet comprises an auxiliary voltage transformation cabinet, the auxiliary voltage transformation cabinet comprises a first copper bar, a second copper bar, a primary voltage transformation set and a secondary voltage transformation set, the primary voltage transformation set and the secondary voltage transformation set are provided with voltage transformation actuating mechanisms, the input end of the primary voltage transformation set is connected with the first copper bar, and the output end of the secondary voltage transformation set is connected with the second copper bar; the discharging device comprises a wheel disc and a servo motor matched with the wheel disc, the wheel disc is fixedly connected with a servo motor shaft, the servo motor housing is fixed on the double-rod cylinder, a boss is arranged at the upper end of the wheel disc, a groove facing the outer edge direction of the wheel disc is arranged on the boss, a spring is arranged between the lower end of the step column and the groove, which are hinged into the groove, of the adiabatic step column, and a limit screw is arranged at the upper end of the groove. The high-frequency heating device can continuously work and improve the quenching quality.

Description

Special induction heating equipment for heating pulley base body

Technical Field

The invention belongs to the technical field of high-frequency heating, and particularly relates to special induction heating equipment for heating a pulley matrix.

Background

In the production of parts, a quenching process is often required in order to improve the wear resistance or surface hardness of the parts, and a high-frequency heating apparatus is required in the quenching process. However, the existing induction heating system cannot automatically and continuously carry out the quenching process on the pulley, the working efficiency is low, secondly, the whole quenching process needs voltage transformation to save electric energy, but the existing induction heating system does not have the function, and a special induction system which can continuously heat the pulley matrix and can change the voltage is urgently needed.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an induction heating device special for heating a pulley matrix,

the invention provides the following technical scheme: a pulley matrix heating dedicated induction heating device comprises an electric control cabinet, an induction heater body, a feeding system, a water cooling system and a discharging device, wherein the electric control cabinet comprises an auxiliary voltage transformation cabinet, the auxiliary voltage transformation cabinet comprises a first copper bar, a second copper bar, a primary voltage transformation set and a secondary voltage transformation set, the primary voltage transformation set and the secondary voltage transformation set are provided with voltage transformation executing mechanisms, the input end of the primary voltage transformation set is connected with the first copper bar, the output end of the secondary voltage transformation set is connected with the second copper bar, and different required voltages are provided at different stages of high-frequency heating heat treatment through the voltage transformation executing mechanisms; the discharging device comprises a wheel disc and a servo motor matched with the wheel disc, the wheel disc is fixedly connected with a servo motor shaft, the servo motor casing is fixed on the double-rod air cylinder, a boss is arranged at the upper end of the wheel disc, a groove facing the outer edge direction of the wheel disc is arranged on the boss, a heat-insulating step column is hinged in the groove, a spring is arranged between the lower end of the step column and the groove, and a limit screw is arranged at the upper end of the groove; the water cooling system comprises a water tank with an opening at the upper end, a buffer layer is arranged on the inner wall of the water tank, a water outlet pipe is arranged at the upper end of the water tank, the wheel disc is positioned in the middle of the water tank, and the water outlet pipe is opposite to the step column; the feeding system conveys the pulley base body to the step column, the step column inclines outwards under the action of centrifugal force to enable the heated pulley base body to enter the water tank for quenching treatment, the quenching treatment is completed, the back step column resets under the action of the spring, and the back step column is kept vertical under the limiting screw.

The preferred scheme is as follows: the variable voltage actuating mechanism comprises a three-phase copper bar and a ceramic support, wherein the three-phase copper bar and the ceramic support are connected through a transformer set, three insulating columns are arranged on the ceramic support, a cross arm is arranged on each insulating column, a conducting strip is connected onto the cross arm, one end of the conducting strip is connected with a conducting N-shaped piece, the lower end of the N-shaped piece is provided with a roller connected with the three-phase copper bar, the other end of the conducting strip is connected with a conducting L-shaped piece, a chamfer is arranged at the upper end of the L-shaped piece, one end of the ceramic support is connected with an electric push rod in a single-degree-of-freedom rotating mode, and the electric push rod is connected with an auxiliary variable voltage cabinet in a fixed connection mode.

The preferred scheme is as follows: the step column comprises a step core rod and a refractory material sleeve sleeved on the step core rod, and a protrusion is arranged on the refractory material sleeve.

The preferred scheme is as follows: the feeding system comprises a feeding trough, a material stirring shaft arranged in the feeding trough and a stepping motor used for driving the material stirring shaft, wherein a plurality of material stirring plates are arranged on the material stirring shaft, the material stirring plates are provided with stirring teeth used for stirring the pulley base body, the rear end of the feeding trough is provided with a cylindrical guide pipe, and the outlet of the guide pipe coincides with the axial center of the step column.

The preferred scheme is as follows: the step post is provided with 2 at least.

The preferred scheme is as follows: the induction heater body comprises an induction coil, and the induction coil is overlapped with the step column core.

The preferred scheme is as follows: the buffer layer is a rubber layer.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, by arranging the wheel disc, the step column and the feeding system, continuous high-frequency heating and quenching treatment can be carried out on the pulley base body, so that the continuity of high-frequency heating heat treatment work is ensured; according to the invention, the supply voltage can be changed through time setting through the variable-voltage actuating mechanism, so that different required voltages are provided for different stages of high-frequency heating heat treatment, energy is saved, and the quality of the quenching process is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a transformation principle of the present invention;

FIG. 3 is a schematic structural diagram of a variable pressure actuator;

FIG. 4 is a schematic structural view of a discharging device;

FIG. 5 is a detail view A;

FIG. 6 is a schematic view of a feed system;

FIG. 7 is a schematic view of a step pillar structure;

FIG. 8 is a schematic view of the structure of the water tank;

in the figure: 1. an electric control cabinet; 2. an induction heater body; 3. a feed system; 4. a water cooling system; 5. a discharge device; 6. an auxiliary transformer cabinet; 7. a first copper bar; 8. a second copper bar; 9. a primary voltage transformation set; 10. a secondary voltage transformation set; 11. a variable-voltage actuating mechanism; 12. a wheel disc; 13. an induction coil; 14. a servo motor; 15. a limit screw; 16. a double-rod cylinder; 17. a boss; 18. a groove; 19. a step post; 20. a spring; 21. a water tank; 22. a buffer layer; 23. a water outlet pipe; 24. a three-phase copper bar; 25. a ceramic support; 26. an insulating column; 27. a cross arm; 28. a conductive sheet; 29. an N-type sheet; 30. a roller; 31. an L-shaped sheet; 32. an electric push rod; 33. a step core bar; 34. a refractory material sleeve; 35. a protrusion; 36. a feed trough; 37. a material stirring shaft; 38. a kick-out plate; 39. shifting teeth; 40. a material guide pipe; 41. a stepper motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-8, the present invention provides the following technical solutions: a pulley matrix heating dedicated induction heating device comprises an electric control cabinet 1, an induction heater body 2, a feeding system 3, a water cooling system 4 and a discharging device 5, wherein the electric control cabinet 1 comprises an auxiliary transformation cabinet 6, the auxiliary transformation cabinet 6 comprises a first copper bar 7, a second copper bar 8, a primary transformation set 9 and a secondary transformation set 10, the primary transformation set 9 and the secondary transformation set 10 are provided with transformation actuating mechanisms 11, the input end of the primary transformation set 9 is connected with the first copper bar 7, and the output end of the secondary transformation set 10 is connected with the second copper bar 8; the discharging device 5 comprises a wheel disc 12 and a servo motor 14 matched with the wheel disc 12, the wheel disc 12 is fixedly connected with the servo motor 14, a shell of the servo motor 14 is fixed on a double-rod cylinder 16, a boss 17 is arranged at the upper end of the wheel disc 12, a groove 18 facing the outer edge direction of the wheel disc 12 is arranged on the boss 17, a heat-insulating step column 19 is hinged in the groove 18, a spring 20 is arranged between the lower end of the step column 19 and the groove 18, and a limit screw 15 is arranged at the upper end of the groove 18; the water cooling system 4 comprises a water tank 21 with an opening at the upper end, a buffer layer 22 is arranged on the inner wall of the water tank 21, a water outlet pipe 23 is arranged at the upper end of the water tank 21, the wheel disc 12 is positioned in the middle of the water tank 21, and the water outlet pipe 23 is opposite to the step column 19. Preferentially, the feeding system 3 comprises a feeding trough 36, a material stirring shaft 37 arranged in the feeding trough 36 and a stepping motor 41 used for driving the material stirring shaft 37, a plurality of material stirring plates 38 are arranged on the material stirring shaft 37, a stirring tooth 39 used for stirring the pulley base body is arranged on each material stirring plate 38, a cylindrical guide pipe 40 is arranged at the rear end of the feeding trough 36, and the outlet of the guide pipe 40 coincides with the axis of the step column.

When the material shifting device is used, the wheel disc 12 moves up and down under the action of the double-rod cylinder 16, when the double-rod cylinder 16 is at the top dead center, the shaft of the boss 17 on the wheel disc 12 is positioned at the lower end of the outlet of the material guiding pipe 40, the stepping motor 41 rotates to drive the material shifting shaft 37 to rotate, so that the material shifting teeth are inserted into the central shaft of the pulley, the pulley matrix continues to rotate to enter the material guiding pipe 40 and freely fall onto a step column. Before that, the pulley bases on the other step columns are passed into the induction coil 13 of the induction heater body together to be heated. After the heating is finished, the double-rod cylinder 16 is retracted, when the double-rod cylinder moves to the lower dead point, the servo motor 14 rotates, the step column 19 inclines outwards under the action of centrifugal force, and then the heated pulley base body enters the water tank 21 for quenching treatment. In order to timely obtain cooling liquid required by quenching of the pulley base body, a water outlet pipe 23 is arranged at the upper end of the water tank 21, and water spraying of the cooling liquid can be obtained when the wheel disc 12 rotates. After quenching is completed, the stepped column 19 is reset under the action of the spring 20 and is kept vertical under the limit screw 15.

On the basis of the scheme, the transformation executing mechanism 11 comprises a three-phase copper bar 24 and a ceramic support 25 which are connected with the primary transformation set 9, three insulating columns 26 are arranged on the ceramic support 25, a cross arm 27 is arranged on each insulating column 26, a conducting strip 28 is connected onto the cross arm 27, one end of each conducting strip 28 is connected with a conductive N-shaped sheet, the lower end of each N-shaped sheet is provided with a roller 30 connected with the three-phase copper bar 24, the other end of each conducting strip 28 is connected with a conductive L-shaped sheet 31, the upper end of each L-shaped sheet 31 is provided with a chamfer, one end of the ceramic support 25 is rotatably connected with an electric push rod 32 in a single-degree-of-freedom mode, and the electric push rod 32 is further fixedly connected with an auxiliary transformation cabinet. When the device is used, the position of the ceramic support 25 is determined by controlling the extension and retraction of the electric push rod 32 with time, the primary transformer set 9 and the selected secondary transformer set 10 are sequentially connected through the roller 30, the N-type sheet, the conducting sheet 28 and the L-type sheet 31, the roller 30 is firmly contacted with the three-phase copper bar 24 by utilizing the restorable deformation caused by the structural instability of the N-type sheet and the L-type sheet 31, and the L-type sheet 31 is firmly connected with the input end of the primary transformer set 9, so that the real-time transformation effect is realized, and further, the ceramic support 25 is not blocked by arranging a chamfer at the upper end of the L-type sheet 31.

Specifically, the method comprises the following steps: the step column 19 comprises a step core bar 33 and a refractory material sleeve 34 sleeved on the step core bar 33, wherein a protrusion 35 is arranged on the refractory material sleeve 34. The refractory cover 34 ensures that the step core bar 33 is not melted by heating to enhance the service life thereof. The protrusions 35 ensure that the step columns 19 are in line contact with the pulley base body, surface contact is reduced, so that the surface heating of the inner hole is uniform and is not influenced by the support of the step columns 19 when the pulley base body is heated at high frequency, and the surface quality after quenching is greatly improved.

Specifically, the method comprises the following steps: the step post is provided with 2 at least. For example, 3, 5, etc. may be provided to improve the efficiency of the continuous operation.

Specifically, the method comprises the following steps: the induction heater body comprises an induction coil 13, and the induction coil 13 is overlapped with the step pillar core.

Specifically, the method comprises the following steps: the buffer layer 22 is a rubber layer to prevent the pulley base body from colliding with the water tank 21, which is not described in detail herein for the prior art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a special induction heating equipment of pulley base member heating, includes automatically controlled cabinet (1), induction heater body (2), feeding system (3), water cooling system (4) and discharge apparatus (5), its characterized in that: the electric control cabinet (1) comprises an auxiliary transformation cabinet (6), the auxiliary transformation cabinet (6) comprises a first copper bar (7), a second copper bar (8), a primary transformation set (9) and a secondary transformation set (10), the primary transformation set (9) and the secondary transformation set (10) are provided with transformation executing mechanisms (11), the input end of the primary transformation set (9) is connected with the first copper bar (7), the output end of the secondary transformation set (10) is connected with the second copper bar (8), and different stages of high-frequency heating heat treatment are realized through the transformation executing mechanisms (11) to provide different required voltages; the discharging device (5) comprises a wheel disc (12) and a servo motor (14) matched with the wheel disc (12), the wheel disc (12) is fixedly connected with a shaft of the servo motor (14), a shell of the servo motor (14) is fixed on a double-rod cylinder (16), a boss (17) is arranged at the upper end of the wheel disc (12), a groove (18) facing the outer edge direction of the wheel disc (12) is formed in the boss (17), a heat-insulating step column (19) is hinged in the groove (18), a spring (20) is arranged between the lower end of the step column (19) and the groove (18), and a limit screw (15) is arranged at the upper end of the groove (18); the water cooling system (4) comprises a water tank (21) with an opening at the upper end, a buffer layer (22) is arranged on the inner wall of the water tank (21), a water outlet pipe (23) is arranged at the upper end of the water tank (21), the wheel disc (12) is positioned in the middle of the water tank (21), and the water outlet pipe (23) is opposite to the step column (19); the feeding system (3) conveys the pulley base body to the step column (19), the step column (19) is outwards inclined under the action of centrifugal force to enable the heated pulley base body to enter the water tank (21) for quenching treatment, the quenching treatment is completed, the back step column (19) resets under the action of the spring (20), and the pulley base body is kept vertical under the limiting screw (15).

2. The special induction heating equipment for heating the pulley base body as claimed in claim 1, wherein: transformation actuating mechanism (11) include with three-phase copper bar (24) and ceramic support (25) that primary transformation group (9) are connected, be equipped with three insulated column (26) on ceramic support (25), be equipped with cross arm (27) on every insulated column (26), be connected with conducting strip (28) on cross arm (27), conducting strip (28) one end is connected with electrically conductive N type piece, and N type piece lower extreme is equipped with gyro wheel (30) of being connected with three-phase copper bar (24), and conducting strip (28) other end is connected with electrically conductive L type piece (31), and L type piece (31) upper end is equipped with the chamfer, ceramic support (25) one end single degree of freedom rotates and is connected with electric putter (32), and electric putter (32) are the supplementary transformer cabinet of fixed connection still.

3. The special induction heating equipment for heating the pulley base body as claimed in claim 1, wherein: the step column (19) comprises a step core rod (33) and a refractory material sleeve (34) sleeved on the step core rod (33), and a protrusion (35) is arranged on the refractory material sleeve (34).

4. The special induction heating equipment for heating the pulley base body as claimed in claim 1, wherein: feeding system (3) including feed trough (36) and dial material axle (37) and be used for driving step motor (41) of dialling material axle (37) of locating in feed trough (36), dial and be provided with a plurality of switch-plates (38) on material axle (37), locate on switch-plates (38) and be used for dialling the tooth (39) of dialling of pulley base member, feed trough (36) rear end is equipped with cylinder type passage (40), passage (40) export with step post (19) axle center coincidence.

5. The induction heating apparatus for heating a pulley base according to any one of claims 1 to 4, wherein: the number of the step columns (19) is at least 2.

6. The special induction heating equipment for heating the pulley base body as claimed in claim 5, wherein: the induction heater body (2) comprises an induction coil (13), and the induction coil (13) is overlapped with the step column core.

7. The special induction heating equipment for heating the pulley base body as claimed in claim 1, wherein: the buffer layer (22) is a rubber layer.