CN113333840A

CN113333840A - Heat-assisted milling device

Info

Publication number: CN113333840A
Application number: CN202110600091.2A
Authority: CN
Inventors: 魏渊; 王学文; 黄维
Original assignee: Northwestern Polytechnical University
Current assignee: Northwestern Polytechnical University
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-09-03

Abstract

The invention discloses a heat-assisted milling device, which relates to the technical field of processing equipment and comprises the following components: the heating device is connected to a cutter handle of the milling cutter and used for heating a workpiece; the distance between a heating area formed by the heating end of the heating device on the workpiece and a processing area formed by a tool bit of a milling cutter of the machine tool on the workpiece is 0.05 mm-10 mm; compared with the traditional heat-assisted milling machine tool, the heat-assisted milling device provided by the invention shortens the time difference between the heating process and the milling process at the same position on the workpiece, further reduces the heat loss between the two processes, improves the utilization efficiency of a heat source, enhances the softening degree of the part of the workpiece processing area, and improves the processing quality.

Description

Heat-assisted milling device

Technical Field

The invention relates to the technical field of processing equipment, in particular to a heat-assisted milling device.

Background

At present, need preheat the work piece and make it soften so that process it when milling process to the work piece, however, adopt current hot auxiliary machining method when preheating the work piece, there is longer distance between heating region and the milling area, and then lead to heating and milling to the work piece same position two processes between have longer time difference, in this time, the heat loss of work piece is obvious, therefore lead to the heating back, the heating region heat scatters and disappears obviously, the material softens inefficiency, therefore, need for a neotype hot auxiliary milling device to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a heat-assisted milling device, which is used for solving the problems in the prior art and reducing the heat loss between the two processes of heating and milling at the same position on a workpiece.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a thermally assisted milling device, comprising: the heating device is connected to a cutter handle of the milling cutter and used for heating a workpiece; the distance between a heating area formed by the heating end of the heating device on the workpiece and a processing area formed by a cutter head of the milling cutter on the workpiece is 0.05 mm-10 mm.

Preferably, the tool comprises a slip ring, the slip ring comprises a follow-up swivel and a fixing ring, the follow-up swivel is fixedly sleeved on the tool handle and can rotate along with the tool handle, the follow-up swivel is coaxial with the fixing ring, and the follow-up swivel and the fixing ring can rotate around the axis; the heating device is fixedly arranged on the fixing ring and can be electrically connected with a power supply or connected with a light source through an optical fiber.

Preferably, the heating device is a plasma generator.

Preferably, the slip ring is a conductive slip ring, the power supply is connected to an electric energy input end of the conductive slip ring through a conductive wire, and an electric energy output end of the conductive slip ring is connected with the arc plasma generator through a conductive wire.

Preferably, the heating device is a laser collimator.

Preferably, the slip ring is an optical fiber slip ring, the light source is connected to the light energy input end of the optical fiber slip ring through an optical fiber, and the light energy output end of the optical fiber slip ring is connected to the laser collimator through an optical fiber.

Compared with the prior art, the invention has the following technical effects:

the invention provides a heat-assisted milling device, wherein the distance between a heating area formed by a heating end of a heating device on a workpiece and a processing area formed by a tool bit of a milling cutter of a machine tool on the workpiece is 0.05-10 mm, and the distance is smaller, so that compared with the traditional milling machine tool, the heat-assisted milling device provided by the invention shortens the time difference between the heating and milling processes at the same position on the workpiece, further reduces the heat loss between the two processes, enhances the softening degree of the processing area part of the workpiece, and improves the processing quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of a thermally assisted milling apparatus according to the present invention;

FIG. 2 is a schematic view of a conventional milling machine;

in the figure: 1-machine tool, 2 '-tool bit, 3-tool handle, 4' -heating device, 5-slip ring, 6-conductive wire and 7-traditional milling machine tool.

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.

The invention aims to provide a heat-assisted milling device, which solves the problems in the prior art, shortens the time difference between the heating process and the milling process at the same position on a workpiece, further reduces the heat loss between the two processes, improves the heat source utilization efficiency, reduces the occurrence probability of heat loss, enhances the softening degree of the part of the workpiece processing area, and improves the processing quality.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The invention provides a heat-assisted milling device, which comprises a milling cutter and a heating device 4, wherein the heating device 4 is connected to a cutter handle 3 of the milling cutter so as to reduce the distance between a heating end of the heating device 4 and a cutter head 2, and the heating device 4 is used for heating a workpiece; the distance between a heating area formed on the workpiece by the heating end of the heating device 4 and a processing area formed on the workpiece by the cutter head 2 of the milling cutter of the machine tool 1 is 0.05 mm-10 mm; preferably 0.05 mm; the heating area and the processing area in the device are correspondingly arranged, the non-processing area on the workpiece is not heated, and only the part to be milled is heated; compared with the traditional milling machine tool, the heat-assisted milling device provided by the invention shortens the time difference between the heating process and the milling process at the same position on the workpiece, so that the heat loss between the two processes is reduced, the softening degree of the part of the workpiece in the processing area is enhanced, and the processing quality and the processing efficiency are improved;

in addition, because of the distance between two traditional regions is far away, consequently, the region that needs the heating all generally need be bigger than waiting to process the region in order to avoid its heat loss to guarantee its softening degree too fast, and this device just because of heating and processing region distance are close, and the heat loss is extremely low, consequently, when adopting this device processing work piece, only need to treat the work piece material of processing heat can, need not on a large scale to heat the work piece, compare traditional mode, required heating region is little, required energy consumption is little.

As shown in fig. 2, a conventional milling machine 7 has a large distance between a heating device 4 'and a tool bit 2', which results in a large distance between a heating region and a machining region, and a time difference between two processes of heating and milling at the same position on a workpiece is large, so that heat loss is serious, and the subsequent processing of the workpiece is inconvenient.

Furthermore, in order to connect the heating device 4 to the tool handle 3, the tool also comprises a slip ring 5, wherein the slip ring 5 comprises a follow-up swivel and a fixed ring, the follow-up swivel is fixedly sleeved on the tool handle 3 and can rotate along with the tool handle 3, the follow-up swivel and the fixed ring are coaxial, and the follow-up swivel and the fixed ring can rotate relatively around an axis; the heating device 4 is fixedly arranged on the fixing ring, and the heating device 4 can be electrically connected with a power supply or connected with a light source through an optical fiber; therefore, the above arrangement can realize the rotation of the tool holder 3 while the position of the heating device 4 is fixed, and in order to prevent the fixing ring from rotating along with the rotating ring, a rotation stop member can be arranged at a corresponding position of the machine tool 1 to limit the rotation of the fixing ring.

Further, the heating device 4 is a plasma generator that heats the workpiece by heat generated by the arc plasma torch.

Furthermore, the slip ring 4 is a conductive slip ring, the power supply is connected to the electric energy input end of the conductive slip ring through a conductive wire 6, the electric energy output end of the conductive slip ring is connected with the plasma generator through the conductive wire 6, and the electric energy is transmitted by adopting the conductive slip ring.

Further, the heating device 4 is a laser collimator which generates heat by laser and performs heating processing on a corresponding region of the workpiece.

Furthermore, the slip ring 4 is an optical fiber slip ring, the light source is connected to the light energy input end of the optical fiber slip ring through an optical fiber, and the light energy output end of the optical fiber slip ring is connected with the laser collimator through an optical fiber.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims

1. A thermally assisted milling device, characterized in that: comprising:

milling cutter;

and a heating device, the heating device is connected to the shank of the milling cutter, and the heating device is used to heat the workpiece; the heating area formed by the heating end of the heating device on the workpiece is in harmony with the workpiece. The distance between the machining areas formed by the cutter head of the milling cutter on the workpiece is 0.05 mm to 10 mm.

2 . The heat-assisted milling device according to claim 1 , further comprising a slip ring, the slip ring includes a swivel ring and a fixed ring, the swivel ring is fixedly sleeved on the tool handle and Can rotate with the tool handle, the follow-up ring and the fixed ring are coaxial, and the follow-up ring and the fixed ring can rotate relative to the axis; the heating device is fixedly arranged on the On the fixing ring, the heating device can be electrically connected with a power source or connected with a light source through an optical fiber.

3 . The thermally assisted milling device according to claim 2 , wherein the heating device is a plasma generator. 4 .

4 . The thermally assisted milling device according to claim 3 , wherein the slip ring is a conductive slip ring, the power supply is connected to the power input end of the conductive slip ring through a conductive wire, and the conductive slip ring The electrical energy output end is connected with the plasma generator through a conductive wire.

5. The thermally assisted milling device according to claim 2, wherein the heating device is a laser collimator.

6 . The thermally assisted milling device according to claim 5 , wherein the slip ring is an optical fiber slip ring, the light source is connected to the light energy input end of the optical fiber slip ring through an optical fiber, and the optical fiber slip ring The light energy output end is connected with the laser collimator through an optical fiber.