CN210012883U

CN210012883U - Molybdenum wire clamping electromagnetic annealing furnace

Info

Publication number: CN210012883U
Application number: CN201920800303.XU
Authority: CN
Inventors: 丁大军; 自明春
Original assignee: Jiangsu Hongya Tungsten Molybdenum Technology Co Ltd
Current assignee: Jiangsu Hongya Tungsten Molybdenum Technology Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-04
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a molybdenum filament centre gripping electromagnetic annealing stove, it includes: the heating coil comprises a furnace shell, a base, a fixed clamping plate, a floating clamping plate and a heating coil, wherein a supporting plate located in the front of two ends of the heating coil is arranged in the furnace shell, the fixed clamping plate is horizontally arranged on the supporting plate and penetrates through the heating coil, the floating clamping plate is arranged above the fixed clamping plate, a guide post upwards penetrating through the floating clamping plate is arranged on the fixed clamping plate, the top surface of the fixed clamping plate and the bottom surface of the floating clamping plate are correspondingly embedded with a plurality of heat conducting rods, and the cross section of each heat conducting rod is of a semicircular ring. Molybdenum filament centre gripping electromagnetic annealing stove, abandoned traditional annealing stove structure, adopt heating coil to solid fixed splint and the heating of splint that floats for solid fixed splint is higher with the intermediate temperature of the splint that floats, both ends temperature is lower relatively, when the molybdenum filament slowly passes through between solid fixed splint and the splint that floats, the centre gripping through the heat conduction stick is heated gradually, then the cooling realizes annealing.

Description

Molybdenum wire clamping electromagnetic annealing furnace

Technical Field

The utility model relates to a molybdenum filament production technical field especially relates to a molybdenum filament centre gripping electromagnetic annealing stove.

Background

Molybdenum wire is typically formed by processing a molybdenum feedstock rod into a wire-like structure using a hot and cold draw bonding process. The molybdenum wire is a consumable material of the linear cutting machining equipment, the molybdenum wire on the linear cutting machining equipment is provided with the high-voltage electric field to continuously move so as to cut a workpiece, and the cutting precision is high.

In the production process of the molybdenum wire, in order to improve the structural stability, the annealing furnace is required to be used for withdrawal. The circulated molybdenum wire slowly passes through the annealing furnace, the molybdenum wire is heated by utilizing the heat radiation of the heating pipe in the annealing furnace, the cavity in the heating furnace is large, the heat acting on the molybdenum wire is little, and most of the heat is wasted, so that the energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a molybdenum filament centre gripping electromagnetic annealing stove carries out the annealing of molybdenum filament, reduces the energy consumption.

To achieve the purpose, the utility model adopts the following technical proposal:

a molybdenum wire clamp electromagnetic annealing furnace comprising: the heating coil suspension is arranged in the furnace shell, a supporting plate located in the front of two ends of the heating coil is arranged in the furnace shell, the fixing clamping plate is horizontally arranged on the supporting plate and penetrates through the heating coil, the floating clamping plate is arranged above the fixing clamping plate, guide posts upwards penetrating through the floating clamping plate are arranged on the fixing clamping plate, the top surface of the fixing clamping plate and the bottom surface of the floating clamping plate are correspondingly embedded with a plurality of heat conducting rods, and the cross sections of the heat conducting rods are semicircular structures.

The heating coil is a spiral electromagnetic induction heating coil, and a controller connected with the heating coil is arranged on the outer side of the furnace shell.

And the floating clamping plate is provided with a through hole corresponding to the guide post.

The guide columns comprise four ceramic columns distributed in a rectangular array.

Wherein, the heat conduction rod is a copper rod.

The fixed clamping plate and the floating clamping plate are respectively steel bars with semicircular sections.

Wherein, the fixed splint and the floating splint both sides are provided with the recess respectively.

Wherein, the furnace shell is provided with openings in front and at the back.

The utility model has the advantages that: the utility model provides a molybdenum filament centre gripping electromagnetic annealing stove, traditional annealing stove structure has been abandoned, adopt heating coil to the heating of solid fixed splint and floating splint, the energy consumption is low, it is higher to make the intermediate temperature of solid fixed splint and floating splint, both ends temperature is lower relatively, when the molybdenum filament slowly passes through between solid fixed splint and floating splint, the centre gripping through the heat conduction stick is heated gradually, then the cooling, realize annealing, and just can accomplish the annealing at the molybdenum filament receiving and releasing in-process, do not influence the production of assembly line, and is efficient.

Drawings

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

Detailed Description

The technical solution of the present invention is further explained by the specific embodiment with reference to fig. 1.

The molybdenum wire clamping electromagnetic annealing furnace shown in fig. 1 comprises: the molybdenum wire unwinding and winding device comprises a furnace shell 1, a base 2, a fixed clamping plate 9, a floating clamping plate 5 and a heating coil 3, wherein the furnace shell 1 is arranged above the base 2, openings are formed in the front and the back of the furnace shell 1, molybdenum wire unwinding and winding devices are arranged in the front and the back of the base 2, and molybdenum wires can be unwound and wound and enter and exit the furnace shell 1 through the openings.

Heating coil 3 suspension is in stove outer covering 1, be provided with the backup pad 8 that is located heating coil 3 both ends the place ahead in the stove outer covering 1, solid fixed splint 9 level sets up in backup pad 8 and runs through heating coil 3, floating splint 5 sets up in solid fixed splint 9's top, and gu fixed splint 9 is 1 meter with floating splint 5's length, and heating coil 3's effective heating length is 0.2 meter, heats gu fixed splint 9 and floating splint 5 middle section for gu fixed splint 9 is higher with floating splint 5's intermediate temperature, and both ends temperature is lower relatively, realizes heating gradually and cooling of molybdenum filament, accords with the annealing process route.

The fixed clamp plate 9 is provided with a guide post 10 which upwards penetrates through the floating clamp plate 5, the floating clamp plate 5 is provided with a through hole corresponding to the guide post 10, the floating clamp plate 5 can float up and down, and the guide post is pressed down by gravity. The guide posts 10 comprise four ceramic posts distributed in a rectangular array, cannot be heated by an electromagnetic induction heating coil, and are good in durability.

The top surface of the fixed clamping plate 9 and the bottom surface of the floating clamping plate 5 are correspondingly embedded with 3 heat conducting rods 7, the cross sections of the heat conducting rods 7 are semicircular structures, the inner diameters of the semicircular structures correspond to the diameters of the molybdenum wires, the molybdenum wires are clamped by the upper heat conducting rods 7 and the lower heat conducting rods 7, and the inner diameters of the 3 heat conducting rods 7 can be different so as to improve the diameter adaptability of the molybdenum wires. The heat conducting rod 7 is a copper rod, has good heat conducting effect and is wear-resistant.

The heating coil 3 is a spiral electromagnetic induction heating coil, the controller 4 connected with the heating coil 3 is arranged on the outer side of the furnace shell 1, the power of the heating coil 3 is adjusted, the temperature of the fixing clamp plate 9 and the molybdenum wire is detected manually by using a temperature measuring gun, the power of the heating coil 3 is adjusted, the molybdenum wire annealing temperature monitoring is realized, and the adjustment is flexible.

The fixed clamping plate 9 and the floating clamping plate 5 are respectively steel bars with semicircular sections, and are easily heated by an electromagnetic induction heating coil. The two sides of the fixed clamping plate 9 and the two sides of the floating clamping plate 5 are respectively provided with a groove 6, and the grooves 6 are convenient for separating the fixed clamping plate 9 from the floating clamping plate 5 by using fire tongs, so that the installation of molybdenum wires is facilitated.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a molybdenum wire centre gripping electromagnetic annealing stove which characterized in that includes: the heating coil suspension is arranged in the furnace shell, a supporting plate located in the front of two ends of the heating coil is arranged in the furnace shell, the fixing clamping plate is horizontally arranged on the supporting plate and penetrates through the heating coil, the floating clamping plate is arranged above the fixing clamping plate, guide posts upwards penetrating through the floating clamping plate are arranged on the fixing clamping plate, the top surface of the fixing clamping plate and the bottom surface of the floating clamping plate are correspondingly embedded with a plurality of heat conducting rods, and the cross sections of the heat conducting rods are semicircular structures.

2. The molybdenum wire clamping electromagnetic annealing furnace according to claim 1, wherein the heating coil is a spiral electromagnetic induction heating coil, and a controller connected with the heating coil is arranged outside the furnace shell.

3. The molybdenum wire clamping electromagnetic annealing furnace according to claim 1, wherein the floating clamp plate is provided with through holes corresponding to the guide posts.

4. The molybdenum wire-clamping electromagnetic annealing furnace according to claim 1, wherein the guide posts comprise four ceramic cylinders distributed in a rectangular array.

5. The molybdenum wire-clamping electromagnetic annealing furnace according to claim 1, wherein the heat conducting rod is a copper rod.

6. The molybdenum wire-clamping electromagnetic annealing furnace according to claim 1, wherein the fixed clamping plate and the floating clamping plate are respectively a steel bar having a semicircular cross section.

7. The molybdenum wire-clamping electromagnetic annealing furnace according to claim 1, wherein grooves are respectively formed on both sides of the fixed clamping plate and the floating clamping plate.

8. The molybdenum wire-holding electromagnetic annealing furnace according to claim 1, wherein the furnace shell is provided with openings at the front and rear.