CN111318910A

CN111318910A - Circulating heat dissipation hilt device

Info

Publication number: CN111318910A
Application number: CN201811532067.4A
Authority: CN
Inventors: 曾柏翰; 林彧甫; 王祥宾; 吕英诚; 林秋丰; 胡博期
Original assignee: Metal Industries Research and Development Centre
Current assignee: Metal Industries Research and Development Centre
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-06-23

Abstract

A circulating heat-dissipating knife handle device is suitable for mounting at least one cutter for rotary cutting, and comprises a body, an input pipe, a heat-dissipating flow channel and a return pipe, wherein an annular collecting area is concavely formed on the top surface of the body, the input pipe is used for guiding heat-dissipating fluid, the heat-dissipating flow channel is communicated with the input pipe, the return pipe is formed in the body at intervals with the input pipe, and the return pipe is communicated with the heat-dissipating flow channel and the collecting area. The heat dissipation fluid introduced from the input pipe can generate a heat dissipation effect on the at least one cutter in the process of flowing along the heat dissipation flow channel, and when the heat dissipation fluid is conveyed to the annular collecting area through the heat dissipation flow channel, complete fluid circulation can be formed under the condition that the body and the at least one cutter rotate together for cutting, so that an effective heat dissipation mechanism can be provided under the condition of dry cutting.

Description

Circulating heat dissipation hilt device

Technical Field

The invention relates to a hilt device for machining, in particular to a circulating type heat dissipation hilt device.

Background

Cutting machining is a widely applied and very common machining technology, and in the process of clamping a cutter by a cutter holder and cutting a workpiece, cutting fluid is required to be continuously added to an interface between the cutter and the workpiece, so that excessive friction at the interface is prevented through the added cutting fluid, and heat generation is reduced. However, since the addition and management of the cutting fluid are extremely costly and a large amount of the cutting fluid may even pollute the environment, the current cutting process is moving toward "dry cutting" without using the cutting fluid.

And a dry cutting mode is adopted, and cutting fluid is not required to be introduced in the cutting process, so that the cost is greatly reduced, and the environment is protected. However, in the absence of auxiliary heat dissipation by the cutting fluid, it is naturally necessary to provide additional heat dissipation mechanisms to ensure proper operation of the machining device. Therefore, how to dissipate heat of the tool holder holding the tool, even the tool itself, in the dry cutting process to maintain the life of the tool holder and the tool is a major problem to be solved in the art.

Disclosure of Invention

The invention aims to provide a circulating type heat dissipation cutter handle device which can provide an effective heat dissipation mechanism for dry cutting.

The invention relates to a circulating type heat dissipation cutter handle device which is suitable for rotatably cutting by mounting at least one cutter and comprises a body, an input pipe for leading in heat dissipation fluid, a heat dissipation flow channel formed in the body and communicated with the input pipe, and a return pipe formed in the body at intervals with the input pipe.

The body is provided with a top surface, a bottom surface opposite to the top surface and an annular collecting area which is concavely arranged on the top surface. And the input tube extends from the top surface of the body toward the bottom surface.

The backflow pipe is communicated with the heat dissipation flow channel and the collection area, the heat dissipation fluid which generates a heat dissipation effect on the at least one cutter along the heat dissipation flow channel from the input pipe is guided to the collection area, and when the body and the at least one cutter rotate together for cutting, a complete cycle is formed.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

Preferably, the circulating heat-dissipating handle device is adapted to mount two cutters located on opposite sides of the body, wherein the cutters are located adjacent to the bottom surface of the body, and the heat-dissipating flow channel includes two branch sections extending from the input pipe in opposite directions, two spiral sections extending from the branch sections in a spiral manner in a direction toward the top surface, and a converging section communicating between the spiral sections and the return pipe.

Preferably, in the aforementioned circulating heat dissipation handle of a knife device, the branch sections respectively extend to at least one projection area of the knife, enter the at least one projection area, and are respectively connected to the spiral sections.

Preferably, in the aforementioned circulating heat dissipation handle of a knife device, the input pipe is located in the spiral section of the heat dissipation flow channel.

Preferably, in the circulating heat dissipation handle device, the bus bar section of the heat dissipation channel is annular.

The invention has the beneficial effects that: after being led in from the input pipe, the heat dissipation fluid can generate a heat dissipation effect on the at least one cutter when flowing through the heat dissipation flow channel, and when the heat dissipation fluid is led to the collection area through the return pipe, the heat dissipation fluid can pass through the collection area in an annular shape.

Drawings

FIG. 1 is a perspective view illustrating one embodiment of a circulating heat dissipating hilt assembly according to the present invention;

FIG. 2 is a cross-sectional view illustrating a body of the embodiment, and a heat dissipation channel formed in the body;

fig. 3 is a cross-sectional view different from fig. 2, which is an auxiliary view of fig. 2 illustrating the heat dissipation flow channel at a different angle; and

fig. 4 is a schematic diagram illustrating the operation and heat dissipation of the embodiment.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to fig. 1 and 2, an embodiment of the circulating heat-dissipating hilt assembly of the present invention is adapted for mounting two cutters 9 on opposite sides of each other for rotary cutting. The embodiment comprises a body 1, an input pipe 2 for leading in a heat dissipation fluid, a heat dissipation flow channel 3 formed in the body 1 and communicated with the input pipe 2, and a return pipe 4 formed in the body 1 at a distance from the input pipe 2. It should be noted that, in the present embodiment, when in actual use, a rotary driving tool (not shown) and a fluid source (not shown) for providing the heat dissipation fluid are further connected, and the case where the heat dissipation fluid is water is described in the present embodiment, but in actual implementation, other fluids capable of generating heat dissipation effect may also be used, and not limited thereto.

The body 1 has a top surface 11, a bottom surface 12 opposite to the top surface 11, and an annular collecting area 19 recessed in the top surface 11. The cutter 9 is adjacent to the bottom surface 12 of the body 1 to rotate with the body 1 to perform cutting work when the body 1 is driven by a connected rotary driving tool. Considering that the heat energy generated by the tool 9 mainly rubs against the workpiece when performing the cutting operation, preferably the heat dissipation starts from the position adjacent to the bottom surface 12 of the tool 9, the input pipe 2 preferably extends from the top surface 11 of the body 1 towards the bottom surface 12, which is beneficial for the heat dissipation fluid to dissipate the heat energy away from the bottom surface 12 from the position adjacent to the tool 9.

Referring to fig. 2 and 3, in order to match the position of the cutting tools 9, each cutting tool 9 can dissipate heat through a corresponding heat dissipation path, the heat dissipation flow channel 3 includes two branch sections 31 extending from the input pipe 2 in opposite directions (i.e., the position of the cutting tool 9), two spiral sections 32 extending from the branch sections 31 in a spiral manner in a direction toward the top surface 11, and a circular converging section 33 connected between the spiral sections 32 and the return pipe 4. In the present embodiment, each of the tools 9 is substantially a cube, and each of the tools 9 has a projection area in three orthogonal axial directions (for example, a transverse projection area Z1 and a longitudinal projection area Z2 are shown in fig. 3). On the body 1, the branch sections 31 extend from the input pipe 2 to the longitudinal projection zone Z2 of the tool 9 respectively and enter the longitudinal projection zone Z2 respectively, so that the heat generated by the tool 9 rubbing against the workpiece can be removed by the heat dissipating fluid. In addition, the position of the input pipe 2 is preferably set in the spiral section 32 of the heat dissipation flow channel 3, that is, the input pipe 2 extends along the direction of the axis around which the spiral section 32 extends spirally, so as to facilitate the spiral section 32 to extend spirally on the solid part of the body 1, and besides the heat dissipation effect on the cutter 9, a sufficiently dense heat dissipation path is also formed for the body 1.

It should be noted that the distribution and the pattern of the heat dissipation flow channel 3 can be designed to match the pattern of the main body 1 (i.e. the tool holder), or the number and the position distribution of the at least one cutting tool 9, to evaluate the heat dissipation effect or the heat dissipation path required to be generated, and the pattern is not limited to this embodiment. In addition, the heat dissipation flow channel 3 can be formed by selective laser melting, high-speed milling, and metal lamination, but the actual process should be selected according to the type of the heat dissipation flow channel 3, and the method is not limited thereto.

Referring to fig. 4 and fig. 2, the return pipe 4 is connected between the heat dissipation flow channel 3 and the collection area 19, and after the input pipe 2 introduces the heat dissipation fluid, the branch section 31 is used to first guide the heat dissipation fluid to the position of the cutter 9 from the position close to the bottom surface 12 of the main body 1, and then the spiral section 32 in a spiral shape is used to transmit the heat energy of the cutter 9 in the direction away from the bottom surface 12, and at the same time, the heat dissipation effect is generated on the solid part of the main body 1. Until the heat dissipation fluid flowing in the spiral segment 32 flows to the confluence segment 33, it will continue to be conducted to the collection area 19 through the return pipe 4, and then leave the body 1 to flow to the outside. At this time, since the collecting region 19 is annular, even if the body 1 and the cutter 9 rotate together, the fluid circulation formed by the input pipe 2, the heat dissipation flow channel 3, the return pipe 4, the collecting region 19, and the fluid source is not affected, and the cutting operation can be performed by rotating the present embodiment, and at the same time, a good heat dissipation effect can be achieved by continuously circulating the heat dissipation fluid completely without providing additional cutting fluid.

Claims

1. A circulating heat dissipation cutter handle device is suitable for mounting at least one cutter for rotary cutting; the method is characterized in that: the circulating heat dissipation hilt device comprises:

the body is provided with a top surface, a bottom surface opposite to the top surface and an annular collecting area which is concavely arranged on the top surface;

an input pipe extending from the top surface toward the bottom surface of the body and for introducing a heat-dissipating fluid;

the heat dissipation flow channel is formed in the body, is communicated with the input pipe and extends in the direction towards the top surface to form a heat dissipation path for the at least one cutter; and

the backflow pipe is formed in the body at intervals with the input pipe, is communicated with the heat dissipation flow channel and the collection area, guides the heat dissipation fluid which generates a heat dissipation effect on the at least one cutter along the heat dissipation flow channel from the input pipe to the collection area, and forms a complete cycle when the body and the at least one cutter rotate and cut together.

2. A circulating heat dissipating handle assembly as set forth in claim 1 adapted to receive two cutters on opposite sides of each other, wherein: the cutter is close to the bottom surface of the body, and the heat dissipation flow channel comprises two branch sections which respectively extend towards opposite directions from the input pipe, two spiral sections which respectively extend spirally from the branch sections towards the direction of the top surface, and a confluence section which is communicated between the spiral sections and the return pipe.

3. The circulating heat dissipating hilt apparatus according to claim 2, wherein: the branch sections extend towards at least one projection area of the cutter respectively, enter the at least one projection area and are connected with the spiral sections respectively.

4. The circulating heat dissipating hilt apparatus according to claim 2, wherein: the input tube is located within the spiral section of the heat dissipation flow channel.

5. The circulating heat dissipating hilt apparatus according to claim 2, wherein: the confluence section of the heat dissipation flow channel is annular.