CN215440547U

CN215440547U - Heating device for enameled wire annealing machine

Info

Publication number: CN215440547U
Application number: CN202121944901.8U
Authority: CN
Inventors: 姚素成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-07
Anticipated expiration: 2031-08-19

Abstract

The utility model provides a heating device for an enameled wire annealing machine, which comprises a heating box, wherein the heating box is arranged in the annealing machine, an installation outer pipe is arranged in the middle of the heating box, an annealing pipe is arranged at the middle position of the installation outer pipe, a wire passes through the annealing pipe for annealing, a plurality of heating pipes are arranged in the installation outer pipe, the plurality of heating pipes are arranged outside the annealing pipe and are in an annular array structure, the annealing pipe and the plurality of heating pipes extend to the outer sides of two ends of the heating box, and quartz sand is filled in the installation outer pipe and positioned outside the annealing pipe and the plurality of heating pipes; this device realizes evenly stably to the heating annealing temperature of enameled wire rod through many heating pipes and quartz sand, has guaranteed that the enameled wire rod can thermally equivalent when annealing, and the annealing is even, and lets in inert gas in the annealing pipe, and the effectual air of getting rid of has guaranteed that the enameled wire rod can completely cut off the air when annealing, reduces oxidation reaction, improves the quality after the enameled wire rod annealing.

Description

Heating device for enameled wire annealing machine

Technical Field

The utility model belongs to the technical field of enameled wire annealing equipment, and particularly relates to a heating device for an enameled wire annealing machine.

Background

The enameled wire is a main variety of winding wires and consists of a conductor and an insulating layer, and a bare wire is annealed and softened and then is subjected to painting and baking for multiple times. However, it is not easy to produce a product which meets both the standard requirements and the customer requirements, and it is influenced by the quality of raw materials, process parameters, production equipment, environment and other factors, so that the quality characteristics of various enameled wires are different, but the enameled wires have four properties of mechanical properties, chemical properties, electrical properties and thermal properties.

The annealing of the enameled wire plays an important role in the production of the enameled wire, the purpose of the annealing of the enameled wire is to heat a conductor hardened due to lattice change in the stretching process of a die at a certain temperature, restore the softness required by the process after the molecular lattices are rearranged, and simultaneously remove the residual lubricant, oil stain and the like on the surface of the conductor in the stretching process, so that the conductor is easy to paint, and the quality of the enameled wire is ensured

In the prior art, during annealing of the enameled wire, the enameled wire is directly heated by the heating pipe and is heated unevenly, so that the annealing distribution of the wire is uneven, and the quality of the enameled wire is affected, and therefore a special heating device of an annealing machine is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heating device for an enameled wire annealing machine to solve the problems that during enameled wire annealing, heating is directly carried out through a heating pipe, heating is not uniform, wire annealing distribution is not uniform, and enameled wire quality is affected.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a heating device for enameled wire annealing machine, includes the heating cabinet, the heating cabinet is installed in annealing machine, install the installation outer tube in the middle of the heating cabinet, installation outer tube intermediate position is provided with annealing pipe, and the wire rod passes annealing pipe and anneals, be provided with a plurality of heating pipes in the installation outer tube, it is a plurality of the heating pipe is installed and is annular array structure in the annealing pipe outside, annealing pipe and a plurality of heating pipe all extend to the heating cabinet both ends outside, it has quartz sand all to be filled in annealing pipe and a plurality of heating pipe outside to lie in the installation outer tube.

Preferably, an air inlet pipe is installed at the outer side of the inlet end of the annealing pipe, an air outlet pipe is installed at the outer side of the outlet end of the annealing pipe, and flowing inert gas is introduced into the annealing pipe through the air inlet pipe and the air outlet pipe.

Preferably, an insulating layer is filled between the heating box and the mounting outer pipe.

Preferably, the heat-insulating layer is a sponge layer.

Preferably, the number of the heating pipes is at least 6.

Compared with the prior art, the utility model has the following beneficial effects:

1. the device realizes uniform and stable heating and annealing temperature of the enameled wire through the heating pipes and the quartz sand, and ensures that the enameled wire can be uniformly heated and annealed uniformly during annealing;

2. this device lets in inert gas in the annealing pipe, and the effectual air that gets rid of has guaranteed that the enameled wire rod can isolated air when annealing, reduces oxidation reaction, improves the quality after the enameled wire rod anneals.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

the embodiment of the utility model mainly comprises the following component symbols:

the heating box comprises a heating box body-1, a heat insulation layer-101, an installation outer pipe-2, an annealing pipe-3, an air inlet pipe-301, an air outlet pipe-302, a heating pipe-4 and quartz sand-5.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

As shown in fig. 1 to 3, a heating device for an enameled wire annealing machine comprises a heating box 1, the heating box 1 is installed in the annealing machine, an installation outer tube 2 is installed in the middle of the heating box 1, an annealing tube 3 is arranged in the middle of the installation outer tube 2, a wire passes through the annealing tube 3 to anneal, a plurality of heating tubes 4 are arranged in the installation outer tube 2, the heating tubes 4 are installed on the outer side of the annealing tube 3 and are of an annular array structure, the annealing tube 3 and the heating tubes 4 are both extended to the outer sides of two ends of the heating box 1, and quartz sand 5 is filled in the installation outer tube 2 and outside the annealing tube 3 and the heating tubes 4.

This device realizes evenly stable to the heating annealing temperature of enameled wire rod through many heating pipes 4 and quartz sand 5, has guaranteed that enameled wire rod can thermally equivalent when annealing, and annealing is even.

An air inlet pipe 301 is installed on the outer side of the inlet end of the annealing pipe 3, an air outlet pipe 302 is installed on the outer side of the outlet end of the annealing pipe 3, and flowing inert gas is introduced into the annealing pipe 3 through the air inlet pipe 301 and the air outlet pipe 302.

This device lets in inert gas in annealing pipe 3, and the effectual air that gets rid of has guaranteed that the enameled wire can isolated air when annealing, reduces oxidation reaction, improves the quality after the enameled wire annealing.

An insulating layer 101 is also filled between the heating box 1 and the mounting outer pipe 2; the heat preservation layer 101 is a sponge layer and is used for preserving heat of the heating pipe 4, so that the loss of annealing temperature is reduced, and the annealing temperature can be kept in a relatively constant temperature state.

A plurality of heating pipe 4 is 6 heating pipes 4 at least, and wherein 6 heating pipes 4 can be divided into two sets of heating wires at least, and every three heating pipes 4 are a set of, and every group heating wire all contains live wire, zero line and ground wire.

When the annealing device is used, the annealing pipe 3 is heated by the heating pipe 4 firstly, after reaching the temperature of the corresponding parameter value, the annealing pipe is completely filled with inert gas through the air inlet pipe 301 and the air outlet pipe 302, and then the annealing pipe is fed into the enameled wire to begin annealing and heating.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a heating device for enameled wire annealing machine, includes the heating cabinet, the heating cabinet is installed in annealing machine, its characterized in that: the heating box comprises a heating box body, and is characterized in that an installation outer pipe is installed in the middle of the heating box body, an annealing pipe is arranged in the middle of the installation outer pipe, a wire penetrates through the annealing pipe to be annealed, a plurality of heating pipes are arranged in the installation outer pipe, the heating pipes are installed on the outer side of the annealing pipe and are of an annular array structure, the annealing pipe and the heating pipes extend to the outer sides of two ends of the heating box body, and quartz sand is filled in the installation outer pipe and outside the annealing pipe and the heating pipes.

2. The heating device for the wire annealer according to claim 1, wherein: an air inlet pipe is arranged on the outer side of the inlet end of the annealing pipe, an air outlet pipe is arranged on the outer side of the outlet end of the annealing pipe, and flowing inert gas is introduced into the annealing pipe through the air inlet pipe and the air outlet pipe.

3. The heating device for the wire annealer according to claim 2, wherein: and an insulating layer is filled between the heating box and the mounting outer pipe.

4. The heating device for the wire annealer according to claim 3, wherein: the heat-insulating layer is a sponge layer.

5. The heating device for the wire annealer according to claim 4, wherein: the number of the heating pipes is at least 6.