阅读说明：本技术 一种轴类零件的轴头端面的感应淬火装置及其使用方法 (Induction quenching device for shaft head end surface of shaft part and using method thereof ) 是由 孙志明 李加荣 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种轴类零件的轴头端面的感应淬火装置及其使用方法,涉及一种感应淬火技术领域,一种轴类零件的轴头端面的感应淬火装置包括加热机构、冷却机构、支撑框架和盛水槽,所述加热机构内设置有两个夹板,两个夹板通过转轴转动连接在一起,并且夹板通过连杆和丝杠连接在一起,在加热过程中,开启电机带动丝杠进行转动,丝杠转动的同时带动滑块进行水平滑动,从而通过连杆带动一对夹板进行张合运动,来改变两个弧形夹块之间的张开角度,从而实现对不同直径的轴类零件进行加热,同时冷却机构设置有四组扇叶,扇叶的内壁上固定安装有气缸,通过气缸的伸缩控制四组扇叶开合运动,从而调整冷却机构的直径,满足不同直径轴类零件的冷却需求。(The invention discloses an induction quenching device for the end surface of a shaft head of a shaft part and a use method thereof, and relates to the technical field of induction quenching, the induction quenching device for the end surface of the shaft head of the shaft part comprises a heating mechanism, a cooling mechanism, a supporting frame and a water containing tank, wherein two clamping plates are arranged in the heating mechanism, are rotatably connected together through a rotating shaft and are connected together through a connecting rod and a lead screw, in the heating process, a motor is started to drive the lead screw to rotate, the lead screw rotates and simultaneously drives a sliding block to horizontally slide, so that a pair of clamping plates are driven to open and close through the connecting rod to change the opening angle between two arc-shaped clamping blocks, thereby realizing the heating of the shaft parts with different diameters, meanwhile, four groups of fan blades are arranged on the cooling mechanism, air cylinders are fixedly arranged on the inner walls of the fan blades, and the opening and closing motions of the four groups of fan blades are controlled through the expansion and contraction of the air cylinders, thereby adjusting the diameter of the cooling mechanism and meeting the cooling requirements of shaft parts with different diameters.)

1. The utility model provides an induction hardening device of axle head terminal surface of axle type part, includes heating mechanism (1), cooling body (2), braced frame (3) and flourishing basin (4), its characterized in that: the supporting frame (3) is set to be U-shaped, a pair of heating mechanisms (1) are arranged on the left side wall and the right side wall of the supporting frame (3), the pair of heating mechanisms (1) are arranged oppositely, the heating mechanisms (1) are fixedly installed on the bottom wall of the supporting frame (3) through first supporting columns (6), meanwhile, cooling mechanisms (2) are arranged between the pair of heating mechanisms (1), the cooling mechanisms (2) and the heating mechanisms (1) are staggered mutually, and the cooling mechanisms (2) are fixedly installed on the bottom wall of the supporting frame (3) through second supporting columns (7).

2. The induction hardening device for the shaft head end surface of the shaft part according to claim 1, characterized in that: the heating mechanism (1) comprises two clamping plates (8), connecting rods (13) and a lead screw (15), wherein the two clamping plates (8) are arranged, each clamping plate (8) comprises an arc-shaped clamping block (81), a handle (82) and a cylinder (83), the arc-shaped clamping blocks (81) and the handles (82) are connected together through the cylinders (83), the cylinders (83) of the two adjacent clamping plates (8) are rotatably connected together through a rotating shaft (9), the rotating shaft (9) is fixedly installed on the bottom wall of a supporting frame (3) through a supporting column I (6), meanwhile, an insulating column (11) is fixedly installed on one side wall of one end, far away from the arc-shaped clamping block (81), of each handle (82), a connecting block (12) is fixedly installed on the outer wall of the insulating column (11), the connecting rod (13) is rotatably installed on one side wall, close to the rotating shaft (9), of each connecting block (12), and the other end of each connecting rod (13) is rotatably installed on the side wall of a sliding block (14), and the slide block (14) is installed on the outer wall of the screw rod (15) in a threaded manner, wherein the screw rod (15) is rotatably installed in the side wall of the supporting frame (3).

3. The induction hardening device for the end surface of the shaft head of the shaft part according to claim 1 or 2, characterized in that: cooling body (2) include flabellum (19), cylinder (20) and erection column (21), wherein flabellum (19) are provided with four groups, fixed mounting has cylinder (20) on the inner wall of flabellum (19) simultaneously, the other end fixed mounting of cylinder (20) is on the lateral wall of erection column (21), and erection column (21) are through two (7) fixed mounting of support column on the diapire of braced frame (3), stock solution chamber (25) have been seted up to the inside of flabellum (19) simultaneously, and stock solution chamber (25) of two adjacent flabellums (19) communicate together through flexible pipe (22), wherein flexible pipe (22) slidable mounting is in the lateral wall of flabellum (19), flabellum (19) both ends fixed mounting has a pair of spacing ring (26) simultaneously.

4. The induction hardening device for the shaft head end surface of the shaft part according to claim 2, characterized in that: an inner cavity (84) is formed in one side wall, close to the cooling mechanism (2), of the arc-shaped clamping block (81), a liquid guide pipe I (85) is installed on one side wall, far away from the cylinder (83), of the inner cavity (84), a telescopic pipe (10) is installed on one side wall, far away from the liquid guide pipe I (85), of the inner cavity (84), meanwhile, a clamping block (17) is installed on one side wall, close to the telescopic pipe (10), of the rotating shaft (9), and the middle of the telescopic pipe (10) is installed in the clamping block (17).

5. The induction hardening device for the shaft head end surface of the shaft part according to claim 2, characterized in that: one end of the lead screw (15) far away from the sliding block (14) is connected onto an output shaft of the motor (5) through a coupler, the motor (5) is fixedly installed on the side wall of the supporting frame (3), and a limiting plate (16) is fixedly installed on the side wall of one end of the lead screw (15) far away from the motor (5).

6. The induction hardening device for the shaft head end surface of the shaft part according to claim 2, characterized in that: a side wall of the connecting block (12) is provided with a mounting hole (27), the connecting block (12) is mounted on the outer wall of the insulating column (11) through the mounting hole (27), meanwhile, a side groove (28) is formed in a side wall, far away from the mounting hole (27), of the connecting block (12), and the end portion of the connecting rod (13) is rotatably mounted in the side groove (28).

7. The induction hardening device for the shaft head end surface of the shaft part according to claim 2, characterized in that: and a conductive column (18) is fixedly arranged on the side wall of one end of the handle (82) far away from the cylinder (83).

8. The induction hardening device for the shaft head end surface of the shaft part according to claim 3, characterized in that: a pair of second liquid guide pipes (24) is symmetrically arranged on the side wall of the fan blade (19), the second liquid guide pipes (24) are communicated with the liquid storage cavity (25), and meanwhile, a plurality of groups of nozzles (23) are fixedly arranged on one side wall, close to the heating mechanism (1), of the liquid storage cavity (25).

9. The induction hardening equipment for the end surfaces of the shaft heads of the shaft parts according to claim 1 or 3, characterized in that: the top of the bottom wall of the supporting frame (3) is fixedly provided with a water containing tank (4), and the water containing tank (4) is positioned under the centers of the pair of heating mechanisms (1).

10. The use method of the induction hardening device for the shaft head end surfaces of the shaft parts according to the claims 1 to 9 is characterized by comprising the following specific operation steps:

the method comprises the following steps: firstly, starting a motor (5) to drive a pair of sliding blocks (14) to do opposite motion, opening a pair of arc-shaped clamping plates (81) in the heating mechanisms (1) at the left side and the right side, then placing the workpiece to be processed between the pair of heating mechanisms (1), and then reversing the motor (5) to drive the pair of arc-shaped clamping plates (81) to be folded to complete the installation of shaft parts;

step two: electrifying the heating mechanisms (1) at the left side and the right side through the conductive columns (18) to carry out quenching operation on shaft parts;

step three: the cooling liquid is injected into the heating mechanism (1) through the first liquid guide pipe (7), the heating mechanism (1) is cooled, the cooling liquid is injected into the cooling mechanism (2) through the second liquid guide pipe (24), and the shaft head end face of the shaft part is cooled through spraying of the nozzle.

Technical Field

The invention relates to the technical field of induction quenching, in particular to an induction quenching device for an end face of a shaft head of a shaft part and a using method thereof.

Background

Induction quenching is heating a workpiece by generating eddy currents in the workpiece using electromagnetic induction. In industrial products, shaft parts are suitable for use in maintenance operations of one or more numerically controlled machine-machined parts. They are used in machines to support gear, pulley, etc. drive components to transmit torque or motion. The shaft parts are rotating body parts, the length of which is greater than the diameter, and generally consist of an outer cylindrical surface, a conical surface, an inner hole, threads and corresponding end surfaces of a concentric shaft.

In the production process of shaft parts, the shaft parts need to be quenched, but the existing induction quenching device can only quench the shaft parts with a certain diameter, and the induction quenching device has poor applicability because of no proper clamp, and the shaft parts are easy to be damaged in quenching, so that the crack rate of products is high; however, if the technical standard is improved, equipment with extremely high price needs to be purchased, the cost is greatly increased and is not paid, and therefore, the induction quenching device for the shaft head end face of the shaft part is provided to solve the problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide an induction quenching device for the shaft head end surface of a shaft part and a use method thereof, which meet the quenching requirements of shaft parts with different diameters.

In order to achieve the purpose, the invention provides the following technical scheme: including heating mechanism, cooling body, braced frame and flourishing basin, braced frame sets to the U-shaped to be provided with a pair of heating mechanism on braced frame's the left and right sides wall, wherein a pair of heating mechanism sets up in opposite directions, and heating mechanism passes through a support column fixed mounting on braced frame's diapire, is provided with cooling body between a pair of heating mechanism simultaneously, and cooling body and heating mechanism stagger each other, and cooling body passes through two fixed mounting of support column on braced frame's diapire.

As a further scheme of the invention: heating mechanism includes splint, connecting rod and lead screw, wherein splint are provided with two, splint include arc clamp splice, handle and cylinder, wherein arc clamp splice and handle link together through the cylinder, the cylinder of two adjacent splint rotates through the pivot and links together, and support column fixed mounting is passed through on braced frame's diapire in the pivot, fixed mounting has the insulated column on the one end lateral wall that the arc clamp splice was kept away from to the handle simultaneously, fixed mounting has the connecting block on the outer wall of insulated column, and the connecting block rotates on being close to the one end lateral wall of pivot and installs the connecting rod, the other end of connecting rod rotates simultaneously and installs on the lateral wall of slider, and the slider screw thread mounting is on the outer wall of lead screw, wherein the lead screw rotates and installs in braced frame's lateral wall.

As a further scheme of the invention: cooling body includes flabellum, cylinder and erection column, and wherein the flabellum is provided with four groups, and fixed mounting has the cylinder on the inner wall of flabellum simultaneously, and the other end fixed mounting of cylinder is on the lateral wall of erection column to the erection column passes through two fixed mounting of support column on braced frame's diapire, and the stock solution chamber has been seted up to the inside of flabellum simultaneously, and the stock solution chamber of two adjacent flabellums passes through the flexible pipe intercommunication together, and wherein the flexible pipe slidable mounting is in the lateral wall of flabellum, and flabellum both ends fixed mounting has a pair of spacing ring simultaneously.

As a further scheme of the invention: an inner cavity is formed in one side wall, close to the cooling mechanism, of the arc-shaped clamping block, a first liquid guide pipe is installed on one side wall, far away from the cylinder, of the inner cavity, a telescopic pipe is installed on one side wall, far away from the first liquid guide pipe, of the inner cavity, a clamping block is installed on one side wall, close to the telescopic pipe, of the rotating shaft, and the middle of the telescopic pipe is installed in the clamping block.

As a further scheme of the invention: the one end that the slider was kept away from to the lead screw passes through the coupling joint on the output shaft of motor to motor fixed mounting is on braced frame's lateral wall, and wherein fixed mounting has the limiting plate on the one end lateral wall that the motor was kept away from to the lead screw.

As a further scheme of the invention: a mounting hole is formed in one side wall of the connecting block, the connecting block is mounted on the outer wall of the insulating column through the mounting hole, a side groove is formed in one side wall, far away from the mounting hole, of the connecting block, and the end portion of the connecting rod is rotatably mounted in the side groove.

As a further scheme of the invention: and a conductive column is fixedly arranged on the side wall of one end of the handle far away from the cylinder.

As a further scheme of the invention: and a pair of second liquid guide pipes are symmetrically arranged on the side wall of the fan blade, the second liquid guide pipes are communicated with the liquid storage cavity, and a plurality of groups of nozzles are fixedly arranged on one side wall of the liquid storage cavity, which is close to the heating mechanism.

As a still further scheme of the invention: and the top of the bottom wall of the supporting frame is fixedly provided with a water containing groove, the water containing groove is positioned right below the centers of the pair of heating mechanisms, and the sprayed cooling liquid is contained and received through the water containing groove.

A use method of an induction hardening device for the end face of a shaft head of a shaft part comprises the following specific operation steps:

the method comprises the following steps: firstly, starting a motor to drive a pair of sliding blocks to do opposite motion, opening a pair of arc-shaped clamping plates in the heating mechanisms on the left side and the right side, then placing the workpiece to be processed between the pair of heating mechanisms, and then reversing the motor to drive the pair of arc-shaped clamping plates to be folded to complete the installation of shaft parts;

step two: electrifying the heating mechanisms on the left side and the right side through the conductive columns, and quenching shaft parts;

step three: the liquid guide pipe injects cooling liquid into the heating mechanism to cool the heating mechanism, and injects cooling liquid into the cooling mechanism through the liquid guide pipe, and the cooling liquid is sprayed out through the nozzle to cool the end face of the shaft head of the shaft part.

Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a pair of heating mechanisms, two clamping plates are arranged in the heating mechanisms and are rotationally connected together through a rotating shaft, the clamping plates are connected together through a connecting rod and a screw rod, in the heating process, a motor is started to drive the screw rod to rotate, the screw rod rotates and simultaneously drives a sliding block to horizontally slide, so that the connecting rod drives the pair of clamping plates to perform opening and closing movement to change the opening angle between two arc-shaped clamping blocks, thereby realizing the heating of shaft parts with different diameters, meanwhile, the cooling mechanism is provided with four groups of fan blades, air cylinders are fixedly arranged on the inner walls of the fan blades, and the opening and closing movement of the four groups of fan blades is controlled through the expansion and contraction of the air cylinders, thereby adjusting the diameter of the cooling mechanism, meeting the cooling requirements of the shaft parts with different diameters, greatly increasing the applicability of the device and having higher economic benefits.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the heating mechanism of the present invention.

Fig. 3 is a schematic view of the splint structure of the present invention.

Fig. 4 is a schematic structural diagram of the cooling mechanism of the present invention.

Fig. 5 is a schematic view of the internal structure of the cooling mechanism of the present invention.

Figure 6 is a schematic view of a flexible pipe of the present invention.

Fig. 7 is a schematic view of a connection block of the present invention.

As shown in the figure: 1. heating mechanism, 2, cooling mechanism, 3, braced frame, 4, water containing groove, 5, motor, 6, support column I, 7, support column II, 8, splint, 81, arc clamp splice, 82, handle, 83, cylinder, 84, inner chamber, 85, catheter I, 9, pivot, 10, telescopic pipe, 11, insulating column, 12, connecting block, 13, connecting rod, 14, slider, 15, lead screw, 16, limiting plate, 17, grip block, 18, electrically conductive post, 19, flabellum, 20, cylinder, 21, erection column, 22, flexible pipe, 23, nozzle, 24, catheter II, 25, liquid storage cavity, 26, limiting ring, 27, mounting hole, 28, side groove.

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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, in an embodiment of the present invention, an induction quenching apparatus for an end surface of a shaft head of a shaft part includes a heating mechanism 1, a cooling mechanism 2, a supporting frame 3 and a water tank 4, the supporting frame 3 is set in a U shape, and a pair of heating mechanisms 1 are arranged on the left and right side walls of the supporting frame 3, wherein, the pair of heating mechanisms 1 are oppositely arranged, the heating mechanisms 1 are fixedly arranged on the bottom wall of the supporting frame 3 through a first supporting column 6, meanwhile, a cooling mechanism 2 is arranged between the pair of heating mechanisms 1, the cooling mechanism 2 and the heating mechanisms 1 are staggered with each other, and the cooling mechanism 2 is fixedly arranged on the bottom wall of the supporting frame 3 through a second supporting column 7, wherein the shaft parts are arranged between the pair of heating mechanisms 1, the quenching operation can be carried out, and after the quenching operation is finished, the cooling mechanism 2 is started to cool the end surfaces of the shaft parts.

Referring to FIGS. 2-3, it can be seen that: the heating mechanism 1 comprises two clamping plates 8, connecting rods 13 and a lead screw 15, wherein the clamping plates 8 are arranged in two blocks, each clamping plate 8 comprises an arc-shaped clamping block 81, a handle 82 and a cylinder 83, the arc-shaped clamping blocks 81 and the handles 82 are connected together through the cylinders 83, the cylinders 83 of two adjacent clamping plates 8 are rotatably connected together through a rotating shaft 9, the rotating shaft 9 is fixedly installed on the bottom wall of the supporting frame 3 through a supporting column I6, an insulating column 11 is fixedly installed on one end side wall of the handle 82 far away from the arc-shaped clamping blocks 81, a connecting block 12 is fixedly installed on the outer wall of the insulating column 11, the connecting rod 13 is rotatably installed on one end side wall of the connecting block 12 close to the rotating shaft 9, the other end of the connecting rod 13 is rotatably installed on the side wall of a sliding block 14, the sliding block 14 is installed on the outer wall of the lead screw 15 in a threaded manner, and the lead screw 15 is rotatably installed in the side wall of the supporting frame 3, meanwhile, one end, far away from the sliding block 14, of the lead screw 15 is connected to an output shaft of the motor 5 through a coupler, the motor 5 is fixedly installed on a side wall of the supporting frame 3, a limiting plate 16 is fixedly installed on a side wall, far away from the motor 5, of the lead screw 15, the sliding block 14 is protected through the limiting plate 16, the sliding block 14 is prevented from sliding off from the end portion of the lead screw 15, in the heating process, the motor 5 is started to drive the lead screw 15 to rotate, the lead screw 15 rotates while driving the sliding block 14 to horizontally slide, the connecting rod 13 drives the pair of clamping plates 8 to move in an opening and closing mode, opening angles between the two arc-shaped clamping blocks 81 are changed, shaft parts with different diameters are heated, and the applicability of the device is greatly increased.

An inner cavity 84 is formed in one side wall, close to the cooling mechanism 2, of each arc-shaped clamping block 81, a first liquid guide pipe 85 is installed on one side wall, far away from the cylinder 83, of the inner cavity 84, an extension pipe 10 is installed on one side wall, far away from the first liquid guide pipe 85, of the inner cavity 84, the inner cavities 84 of the two adjacent arc-shaped clamping blocks 81 are communicated together through the extension pipe 10, therefore, cooling liquid is driven to flow in the inner cavities 84, the side wall of shaft parts is cooled, meanwhile, a clamping block 17 is installed on one side wall, close to the extension pipe 10, of the rotating shaft 9, the middle of the extension pipe 10 is installed in the clamping block 17, the extension pipe 10 is fixed in an auxiliary mode through the clamping block 17, and the extension pipe 10 is placed to swing.

Preferably, a conductive post 18 is fixedly mounted on a side wall of the handle 82 at an end away from the cylinder 83, and the conductive post 18 is used for connecting with an external power supply to energize the arc-shaped clamping plate 81, thereby performing a quenching operation on the shaft parts.

Preferably, a side wall of the connecting block 12 is provided with a mounting hole 27, the connecting block 12 is mounted on the outer wall of the insulating column 11 through the mounting hole 27, and a side wall of the connecting block 12 away from the mounting hole 27 is provided with a side groove 28, wherein the end of the connecting rod 13 is rotatably mounted in the side groove 28.

Referring to fig. 4-6, it can be seen that: the cooling mechanism 2 comprises fan blades 19, air cylinders 20 and mounting columns 21, wherein the fan blades 19 are provided with four groups, the air cylinders 20 are fixedly mounted on the inner walls of the fan blades 19, the other ends of the air cylinders 20 are fixedly mounted on the side walls of the mounting columns 21, the mounting columns 21 are fixedly mounted on the bottom wall of the supporting frame 3 through two supporting columns 7, the opening and closing movement of the four groups of fan blades 19 is controlled through the extension and retraction of the air cylinders 20, so that the diameter of the cooling mechanism 2 is adjusted to meet the cooling requirements of shaft parts with different diameters, meanwhile, liquid storage cavities 25 are formed in the fan blades 19, the liquid storage cavities 25 of two adjacent fan blades 19 are communicated together through flexible pipes 22, the flexible pipes 22 are slidably mounted in the side walls of the fan blades 19, meanwhile, a pair of limiting rings 26 are fixedly mounted at the two ends of the fan blades 19, the flexible pipes 22 are protected through the limiting rings 26 to prevent the flexible pipes 22 from sliding out of the liquid storage cavities 25, a pair of liquid guide pipes 24 are symmetrically arranged on the side wall of one fan blade 19 at the upper end, the liquid guide pipes 24 are communicated with a liquid storage cavity 25, and meanwhile, a plurality of groups of nozzles 23 are fixedly arranged on one side wall of the liquid storage cavity 25 close to the heating mechanism 1; after quenching is finished, the cooling liquid is guided into the liquid storage cavities 25 through the second upper-end liquid guide pipe 24, and is driven to flow in the four groups of liquid storage cavities 25 through the flexible pipes 22, and then the cooling liquid is sprayed out from the nozzles 23 on the side walls of the fan blades 19 to cool the end faces of shaft parts.

Preferably, a water tank 4 is fixedly installed on the top of the bottom wall of the support frame 3, the water tank 4 is located right below the centers of the pair of heating mechanisms 1, and the sprayed cooling liquid is received by the water tank 4.

A use method of an induction hardening device for the end face of a shaft head of a shaft part comprises the following specific operation steps:

the method comprises the following steps: firstly, starting a motor 5 to drive a pair of sliding blocks 14 to do opposite motion, opening a pair of arc-shaped clamping plates 81 in the heating mechanisms 1 at the left side and the right side, then placing the workpiece to be processed between the pair of heating mechanisms 1, and then reversing the motor 5 to drive the pair of arc-shaped clamping plates 81 to be folded to complete the installation of shaft parts;

step two: electrifying the heating mechanisms 1 at the left side and the right side through the conductive columns 18, and quenching shaft parts;

step three: the cooling liquid is injected into the heating mechanism 1 through the first liquid guide pipe 7, the heating mechanism 1 is cooled, the cooling liquid is injected into the cooling mechanism 2 through the second liquid guide pipe 24, and the shaft head end face of the shaft part is cooled through spraying of the nozzle.

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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention without departing from the spirit and scope of the invention.