CN216912350U

CN216912350U - Cooling assembly and cutting machining device

Info

Publication number: CN216912350U
Application number: CN202122682651.1U
Authority: CN
Inventors: 张鸿; 杨雅伦
Original assignee: Riming Computer Accessories Shanghai Co ltd
Current assignee: Riming Computer Accessories Shanghai Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-07-08
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a cooling assembly and a cutting processing device, belonging to the technical field of cold processing, wherein the cooling assembly comprises a solid cooling source and an external cooling source, the solid cooling source comprises a hollow seat body and a cooling pipe arranged in the seat body, the seat body is provided with a liquid inlet hole and a liquid outlet hole, one end of the cooling pipe is arranged in the liquid inlet hole in a penetrating way, the other end of the cooling pipe is arranged in the liquid outlet hole in a penetrating way, and a first coolant is filled in the cooling pipe; the external cooling source is configured to spray a second coolant toward the cutting zone; the top surface of the base body is provided with a fixing groove, and the fixing groove is configured to fix a product to be cut. The cooling assembly and the cutting machining device provided by the utility model can reduce the probability of over-high temperature of the tool point of the tool, further reduce the degree of high-temperature abrasion of the tool and prolong the service life of the tool.

Description

Cooling assembly and cutting machining device

Technical Field

The utility model relates to the technical field of cold machining, in particular to a cooling assembly and a cutting machining device.

Background

The titanium alloy has the characteristics of good biocompatibility, corrosion resistance, high hardness, no toxicity, no magnetism and the like, is widely applied to electronic products, and is particularly suitable for being applied to wearable electronic products to replace aluminum alloy. In addition, titanium alloys also have high toughness and ductility, and strength far exceeds that of other metal materials, and can be used to produce parts with high unit strength, good rigidity, and light weight, but need to be surface treated before application to obtain a desired shape and appearance.

In the prior art, a cutting device is generally adopted to process titanium alloy, but the deformation coefficient of the titanium alloy is small, so that the contact area of chips and the rake face of the cutting device is large in the cutting process, the chips are formed on the rake face of the cutter to be larger than those of chips made of other materials, the cutter is seriously worn due to long-time walking, and the temperature of the cutter is further increased due to friction generated in the walking process. Meanwhile, the heat conductivity coefficient of the titanium alloy is small, so that heat generated in the cutting process is difficult to conduct out through the titanium alloy, the local temperature of the tool tip is easy to be overhigh, the high-temperature wear degree of the tool is improved, and the service life of the tool is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cooling assembly and a cutting machining device, which can reduce the probability of over-high temperature of a tool nose of a tool, further reduce the degree of high-temperature abrasion of the tool and prolong the service life of the tool.

As the conception, the technical scheme adopted by the utility model is as follows:

a cooling assembly, comprising:

the solid cooling source comprises a hollow seat body and a cooling pipe arranged in the seat body, wherein the seat body is provided with a liquid inlet hole and a liquid outlet hole, one end of the cooling pipe penetrates through the liquid inlet hole, the other end of the cooling pipe penetrates through the liquid outlet hole, and a first coolant is filled in the cooling pipe;

an external cooling source configured to spray a second coolant toward the cutting zone;

the top surface of the base body is provided with a fixing groove, and the fixing groove is configured to fix a product to be cut.

Optionally, the cooling pipe is a cooling coil, and a central axis direction of the cooling coil is parallel to a height direction of the seat body.

Optionally, the solid cooling source further includes a cooling tank, one end of the cooling pipe is communicated with an outlet of the cooling tank, and the liquid inlet hole is closer to the top surface of the base than the liquid outlet hole.

Optionally, the fixing groove is formed by a recess on the top surface of the holder body.

Optionally, the seat further comprises a plurality of clamps disposed on the top surface of the seat body, and the plurality of clamps surround the fixing groove.

Optionally, one or more of the plurality of clamps are slidably disposed on the top surface of the seat body.

Optionally, the seat further comprises a temperature sensor inserted into the seat body.

Optionally, the external cooling source includes a bamboo joint pipe and a spray head disposed at an end of the bamboo joint pipe, the bamboo joint pipe is configured to convey the second coolant, and the spray head sprays the second coolant to the cutting area.

Optionally, the first coolant is one or more of water, air, oil, liquid nitrogen and liquid carbon dioxide; the second coolant is one or more of water, air, liquid nitrogen, liquid carbon dioxide and dry ice.

The cutting machining device comprises a driving piece, a cutting blade assembly and the cooling assembly, wherein the driving piece is connected with the cutting blade assembly in a driving mode, and the cutting blade assembly is arranged above a seat body.

The utility model has at least the following beneficial effects:

according to the cooling assembly provided by the utility model, the fixing groove is formed in the top surface of the base body, so that a product to be cut can be fixed, the cooling and heat dissipation of the product to be cut are realized through the cooling pipe arranged in the base body, the product to be cut is prevented from being over-high in temperature in the cutting process, the cooling of the cutter is realized through the external cooling source, the heat generated when the cutter is in contact with the product to be cut can be taken away by the first coolant and the second coolant, the probability of over-high temperature of the cutter point of the cutter is reduced, the degree of high-temperature abrasion of the cutter can be further reduced, and the service life of the cutter is prolonged.

Drawings

FIG. 1 is a first schematic structural diagram of a cooling assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram II of a cooling module according to an embodiment of the present invention;

FIG. 3 is a front view of a cooling assembly provided by an embodiment of the present invention;

FIG. 4 is a reference diagram illustrating a usage state of a cooling assembly provided by an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a cooling assembly provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a cutting device according to an embodiment of the present invention;

FIG. 7 is a schematic illustration of a surface processed using cooling in the prior art provided by an embodiment of the present invention;

fig. 8 is a schematic diagram of a surface processed by the cooling method of the present invention according to an embodiment of the present invention.

In the figure:

1. a solid cooling source; 11. a base body; 111. a liquid inlet hole; 112. a liquid outlet hole; 113. fixing grooves; 12. a cooling tube; 13. a cooling tank; 14. a supporting seat; 2. connecting a cooling source; 21. a bamboo joint pipe; 3. a temperature sensor;

10. a cutting blade assembly; 101. a cutter;

100. the product to be cut.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 a specific case to those of ordinary skill in the art.

The embodiment provides a cooling assembly, is applied to the cutting processingequipment, can cool down, dispel the heat to the cutting area and the product of waiting to cut in the cutting process, has reduced the knife tip of cutter and has appeared the probability that the temperature is too high, and then can reduce the degree that the cutter was by high temperature wear. The product to be cut 100 is exemplified by a titanium alloy, but not limited thereto.

As shown in fig. 1, the cooling assembly includes a solid cooling source 1 and an external cooling source 2. The solid cooling source 1 is used for cooling and radiating a product to be cut, and the external cooling source 2 is used for cooling and radiating a cutter.

Specifically, referring to fig. 1 or fig. 2, the solid cooling source 1 includes a hollow seat 11 and a cooling pipe 12 disposed in the seat 11. The top surface of the holder body 11 is provided with a fixing groove 113, and the fixing groove 113 is used for fixing the product 100 to be cut, so that the product 100 to be cut does not move during the cutting process. The shape of the seat body 11 can be manufactured as required, and in some embodiments, the seat body 11 is in a square or rectangular shape; in other embodiments, the shape of the seat body 11 is "i" shaped, so that the top surface of the seat body 11 has a larger area, and thus can accommodate a product 100 to be cut with a larger size. In this embodiment, the side wall and the bottom wall of the seat body 11 may be made of a material with a small thermal conductivity, such as a thermal insulation material, so as to prevent the cold in the cooling pipe 12 from dissipating through the side wall and the bottom wall. The top wall of the base 11 may be made of a material with a large thermal conductivity, which can conduct heat of the product 100 to be cut on the top surface of the base into the base 11. Optionally, the bottom wall of the seat body 11 is further connected with a supporting seat 14, so as to improve the stability of the seat body 11.

In this embodiment, as shown in fig. 2, the sidewall of the seat 11 has a liquid inlet 111 and a liquid outlet 112. One end of the cooling tube 12 is inserted into the liquid inlet 111, the middle of the cooling tube 12 is located in the seat 11, and the other end of the cooling tube 12 is inserted into the liquid outlet 112. The cooling tube 12 is filled with a first coolant, and the first coolant is used for taking away heat of the product 100 to be cut, so as to cool the product 100 to be cut.

Referring to fig. 2 or fig. 3, the external cooling source 2 is used for spraying a second coolant to the cutting area to cool the tool in the cutting area, specifically, the cutting area may be an area where a tip of the tool is located. The specific structure of the external cooling source 2 may refer to the prior art, as long as the external cooling source can spray the second coolant, and optionally, the external cooling source 2 includes a coolant tank for accommodating the second coolant, a booster pump communicated with the coolant tank, a pipeline communicated with the booster pump, and a spray head installed at the end of the pipeline, the booster pump is used for providing power for the second coolant in the pipeline, and the spray head can spray the second coolant to the cutting area. The pipeline may include a bamboo joint pipe and a plastic circular pipe, which is not limited in this embodiment.

The cooling module that this embodiment provided, top surface through at pedestal 11 sets up fixed slot 113, can realize treating the fixed of cutting product 100, realize treating the cooling of cutting product 100 through the cooling tube 12 that sets up in pedestal 11, the heat dissipation, make and treat that the too high condition of temperature can not appear in cutting process in cutting product 100, realize the cooling to the cutter through external cooling source 2, so that the cutter can be taken away by first coolant and second coolant with the heat that produces when treating cutting product 100 contact, the too high probability of temperature appears in the knife tip of cutter has been reduced, and then can reduce the degree that the cutter was worn by high temperature, the life of cutter has been prolonged.

In addition, when the degree of wear of the cutter is small, the machining effect of the surface of the product to be cut 100 can be improved, and through practical experiments, under the same external conditions, as shown in fig. 7, the surface roughness of the product obtained by using the machining mode in the prior art is Ra0.72; as shown in fig. 8, the surface roughness of the product processed by using the cooling module provided in this embodiment is ra0.38.

Simultaneously, use the cooling method of solid cooling source 1 indirect effect on the cutter, compare in prior art with the cooling source direct effect can avoid the cutter extremely cool off and the performance degradation that causes under the low temperature condition on the cutter, can also avoid the low temperature on the cutter directly to transmit to the main shaft of cutting process device, guaranteed the stability of main shaft.

In addition, it is easier to keep the product 100 to be cut at a low temperature all the time, and the cost is lower. The use frequency and the flow of the external cooling source 2 are controlled in the processing process, the cost can be better controlled, and excessive N cannot be introduced₂Or CO₂The health and safety of operators are guaranteed.

By adopting the cooling method provided by the embodiment, the cutting machining efficiency can be improved. As shown in table 1.

As can be seen from table 1, the optimum cutting speeds of the conventional cutting fluid and the cooling method provided in this embodiment were tested under the conditions of consistent rotation speed, radial cutting width, axial cutting depth, and similar removal amount, machining effect, and tool wear, and the machining efficiency of the cooling method provided in this embodiment was improved by about 35% as compared with the original efficiency.

TABLE 1

Alternatively, as shown in fig. 2, the cooling tubes 12 are cooling coils, so that more cooling tubes 12 can be located in the housing 11, and thus have a larger heat absorbing area. And, the central axis direction of the cooling coil is parallel to the height direction of the seat body 11, so that the two ends of the cooling coil are spaced up and down in the height direction of the seat body 11. The cooling coil may be a circular coil or a square coil, which is not limited in this embodiment. In other embodiments, the cooling tube 12 extends along the circumferential direction of the housing 11 and is disposed closely to the inner wall of the housing 11.

Further, the solid cooling source 1 further includes a cooling tank 13, and one end of the cooling pipe 12 is communicated with an outlet of the cooling tank 13, so that the first coolant in the cooling tank 13 can flow into the cooling pipe 12. Moreover, the liquid inlet hole 111 is closer to the top surface of the base 11 than the liquid outlet hole 112, so that the temperature of the part of the cooling coil close to the base 11 is lower than that of the part far away from the base 11, and further the temperature difference between the cooling coil and the product 100 to be cut can be larger, thereby improving the heat exchange efficiency between the cooling coil and the product 100 to be cut, and further ensuring the cooling effect of the product 100 to be cut.

In this embodiment, the fixing groove 113 may be formed in various ways, and the embodiment provides the following two ways.

In one manner of forming the fixing groove 113, as shown in fig. 4 and 5, the fixing groove 113 is formed by recessing the top surface of the seat body 11, and the fixing groove 113 is formed by punching directly on the top surface of the seat body 11. The size of the fixing groove 113 is determined according to the size of the product to be cut 100, or a spring and a sliding plate connected to the spring are provided in the fixing groove 113, and the sliding plate elastically presses the product to be cut 100, so that the fixing groove 113 can be adapted to fix products to be cut 100 having different sizes.

In another manner of forming the fixing groove 113, the cooling module further includes a plurality of clamps disposed on the top surface of the base 11, and the plurality of clamps are engaged with each other and surround to form the fixing groove 113, that is, the side wall of the clamp and the top surface of the base 11 form the fixing groove 113. Further, one or more of the plurality of jigs are slidably disposed on the top surface of the seat body 11, so that the cross-sectional area of the fixing groove 113 is variable, and thus, the jig can be applied to cut products having different sizes. Optionally, the clamp may slide on the top surface of the seat 11 through a sliding rail and a sliding block assembly, and when the clamp slides to a preset position, the clamp may also be locked on the sliding rail or the seat 11 through a locking structure, and the specific structure embodiment of the locking structure is not limited as long as the clamp can be locked on the sliding rail or the seat 11. The fixture is specifically a plate or a block, which is not limited in this embodiment, and the fixture may be made of a material with a good heat conduction effect, such as metal, so as to assist the cooling pipe in dissipating heat of the product 100 to be cut.

In this embodiment, the cooling assembly further includes a temperature sensor 3, and the temperature sensor 3 is inserted into the seat body 11 and is used for detecting the temperature of the cooling pipe 12 or the gas in the seat body 11, so as to facilitate the control of the temperature of the first coolant in the cooling pipe 12.

Optionally, in this embodiment, the first coolant is one or more of water, air, oil, liquid nitrogen, and liquid carbon dioxide; the second coolant is one or more of water, air, liquid nitrogen, liquid carbon dioxide and dry ice.

The present embodiment also provides a cutting device, as shown in fig. 6, which includes a driving member, a cutting blade assembly 10, and any one of the above cooling assemblies. The driving member is connected to the cutting blade assembly 10 through a spindle, the cutting blade assembly 10 includes a spindle (not shown) and a cutting tool 101, the cutting tool 101 is disposed above the base 11, and an area where a blade tip of the cutting tool 101 is located is a cutting area.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A cooling assembly, comprising:

the solid cooling source (1) comprises a hollow base body (11) and a cooling pipe (12) arranged in the base body (11), wherein the base body (11) is provided with a liquid inlet hole (111) and a liquid outlet hole (112), one end of the cooling pipe (12) penetrates through the liquid inlet hole (111), the other end of the cooling pipe (12) penetrates through the liquid outlet hole (112), and a first coolant is filled in the cooling pipe (12);

an external cooling source (2), the external cooling source (2) being configured to spray a second coolant towards the cutting zone;

the top surface of the base body (11) is provided with a fixing groove (113), and the fixing groove (113) is configured to fix a product to be cut.

2. The cooling assembly according to claim 1, wherein the cooling pipe (12) is a cooling coil, and a central axis direction of the cooling coil is parallel to a height direction of the holder body (11).

3. The cooling assembly of claim 2, wherein the solid cooling source (1) further comprises a cooling tank (13), one end of the cooling pipe (12) is connected to an outlet of the cooling tank (13), and the liquid inlet hole (111) is closer to the top surface of the housing (11) than the liquid outlet hole (112).

4. A cooling assembly according to any one of claims 1-3, characterized in that the fixing groove (113) is formed by a depression in the top surface of the holder body (11).

5. A cooling module according to any one of claims 1-3, further comprising a plurality of clamps disposed on a top surface of the housing (11), wherein the plurality of clamps surround the fixing groove (113).

6. The cooling assembly of claim 5, wherein one or more of the plurality of clamps are slidably disposed on a top surface of the housing (11).

7. A cooling assembly according to any one of claims 1 to 3, characterized by further comprising a temperature sensor (3), said temperature sensor (3) being inserted in said housing (11).

8. A cooling assembly according to any of claims 1-3, characterized in that the external cooling source (2) comprises a bamboo joint pipe (21) and a spray head arranged at the end of the bamboo joint pipe (21), the bamboo joint pipe (21) being configured to transport the second coolant, the spray head spraying the second coolant towards the cutting zone.

9. A cooling assembly according to any of claims 1-3, wherein the first coolant is one of water, air, oil, liquid nitrogen, liquid carbon dioxide; the second coolant is one of water, air, liquid nitrogen, liquid carbon dioxide and dry ice.

10. A cutting processing apparatus, comprising a driving member, a cutting blade assembly (10) and the cooling assembly of any one of claims 1 to 9, wherein the driving member is drivingly connected to the cutting blade assembly (10), and the cutting blade assembly (10) is disposed above the seat body (11).