CN207953366U - Lathe temperature control system and numerically-controlled machine tool - Google Patents

Abstract

The utility model belongs to numerical control machine tool technique field, more particularly to a kind of lathe temperature control system and numerically-controlled machine tool, lathe temperature control device, including spindle cooling mechanism, spindle cooling mechanism includes cooling generator, for the main flow pipe for the compressed air that circulates and the first cold air nozzle of several each bearing settings for corresponding to machine tool chief axis respectively, cooling generator is fixedly installed on main flow pipe, and each first cold air nozzle is fixedly connected with cooling generator.Compressed air generator cooled first in main flow pipe is cooled down, it is sprayed on each main shaft bearing by each first cold air nozzle again, so just realize the cooling to main shaft bearing, when main shaft high speed rotation, main shaft bearing just keeps temperature unobvious to rise because the effect of brushing of gas is cooled, avoid generation thermal deformation, it ensure that main axis is stable and accurate, it ensure that numerically-controlled machine tool can continue to keep high-precision level of processing, having taken into account prevents main shaft bearing thermal deformation and ensure that numerically-controlled machine tool continues sex work.

Description

Lathe temperature control system and numerically-controlled machine tool

Technical field

The utility model belongs to numerical control machine tool technique field more particularly to a kind of lathe temperature control device and numerically-controlled machine tool.

Background technology

In recent years, numerically-controlled machine tool has benefited from the advantage of its degree of automation and high precision machining, is widely used in precision It processes in manufacturing field.And as the direction that numerically-controlled machine tool is automated to high-precision and height continues to develop, in numerically-controlled machine tool The rotating speed of main shaft is also constantly being promoted, and the thermal deformation problem that such main shaft bearing generates during main axis is just particularly prominent Go out.

Currently, to prevent main shaft high-speed rotation from causing main shaft bearing heating is too fast to deform, holding numerical control machine is mostly used The method of bed intermittent work, avoids main shaft from persistently rotating, and avoids the main shaft bearing heating too fast and thermal deformation occurs with this.So And though the above method can effectively solve the problem that main shaft bearing and heat up too fast problem, it also results in numerically-controlled machine tool and continues sex work Ability decline.

Utility model content

The purpose of this utility model is to provide a kind of lathe temperature control devices, it is intended to which solution can not take into account anti-in the prior art The technical issues of only main shaft bearing thermal deformation and guarantee numerically-controlled machine tool continue sex work.

To achieve the above object, the technical solution adopted in the utility model is：A kind of lathe temperature control device, including main shaft are cold But mechanism, the spindle cooling mechanism include cooling generator, for the main flow pipe of the compressed air that circulates and several for distinguishing First cold air nozzle of each bearing setting of corresponding machine tool chief axis, the cooling generator are fixedly installed on the main flow pipe, Each first cold air nozzle is connect with the cooling generator.

Further, the spindle cooling mechanism further includes cold flow pipe, and the cold flow pipe passes through described with the main flow pipe One end connection of cooling generator, each first cold air nozzle are fixedly installed on the cold flow pipe.

Further, the spindle cooling mechanism further includes the first isocon, first isocon and the cold flow pipe Connection, each first cold air nozzle are fixedly installed on first isocon.

Further, the lathe temperature control device further includes cutter cooling body, and the cutter cooling body includes second Isocon and at least one the second cold air nozzle for corresponding to machine tool setting, second isocon and the cold flow pipe Connection, each second cold air nozzle are fixedly installed on second isocon.

Further, the lathe temperature control device further includes that several leading screws for corresponding to each machine tool lead screw setting respectively are cold But mechanism, each leading screw cooling body include third isocon and several thirds for corresponding to the machine tool lead screw setting Cold air nozzle, the third isocon are connected to the cold flow pipe, and each third cold air nozzle is fixedly installed in described On three isocons.

Further, the lathe temperature control device further include for mounted on cutting liquid case in cutting fluid temperature control mechanism, The cutting fluid temperature control mechanism includes reciprocal inflection pipe, and the first end of the reciprocal inflection pipe and the main flow pipe are across described cold But one end connection of generator, the second end of the reciprocal inflection pipe are connected to the cold flow pipe.

Further, the cutting fluid temperature control mechanism further includes several needle fins, and each needle fin is fixedly installed in On the reciprocal inflection pipe.

Further, the lathe temperature control device further includes electronic box temperature control mechanism, and the electronic box temperature control mechanism includes the 4th Isocon and the 4th cold air nozzle for stretching into electric control box, first end and the main flow pipe of the 4th isocon connect Logical, the 4th cold air nozzle is fixedly installed in the second end of the 4th isocon.

Further, the electronic box temperature control mechanism further includes electronic box cooler, and the electronic box cooler is fixedly installed in institute It states on the 4th isocon.

The beneficial effects of the utility model：The lathe temperature control device of the utility model, when work, the master of spindle cooling mechanism The cooling generator that compressed air in flow tube is fixedly installed in first on main flow pipe is cooled down, and forms cooling gas, then lead to Each first cold air nozzle being fixedly connected with cooling generator is crossed to be injected on each main shaft bearing that main shaft is equipped with, it is so just real The cooling to main shaft bearing is showed, in this way when main shaft high speed rotation, main shaft bearing is just because be cooled gas brushes work With and keep temperature unobvious to rise, avoid generation thermal deformation, ensure that main axis is stable and accurate, and then also ensure Numerically-controlled machine tool can continue to keep high-precision level of processing, and realizing to take into account prevents main shaft bearing thermal deformation and guarantee numerically-controlled machine tool Continue sex work.

The utility model use another technical solution be：Numerically-controlled machine tool includes above-mentioned lathe temperature control device.

The numerically-controlled machine tool of the utility model, due to including above-mentioned lathe temperature control device, then lathe temperature control device is just The temperature stability that can ensure the main shaft bearing being equipped on machine tool chief axis in the operational process of numerically-controlled machine tool, effectively inhibits Main shaft bearing is with main shaft high-speed rotation and there is a phenomenon where thermal deformations, so ensures that the steady of main shaft long-time high-speed rotation It is qualitative, and then ensure that the accuracy for the cutter long-time workpieces processing being fixedly connected with main shaft in numerically-controlled machine tool, thus make Obtaining numerically-controlled machine tool being capable of long-time stable military service.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram for the lathe temperature control device that the utility model embodiment provides.

Wherein, each reference numeral in figure：

10-11-main flow pipe of spindle cooling mechanism, 12-cooling generators

13-the first cold air 14-cold flow of nozzle the 15-the first isocon of pipe

20-cutter cooling body the 21-the second isocon the 22-the second cold air nozzles

23-cutter 30-leading screw cooling body 31-third cold air nozzles

The reciprocal inflection pipe of 32-third 40-cutting fluid of isocon temperature control mechanisms 41-

42-needle fin 43-cutting liquid case 50-electronic box temperature control mechanisms

51-electronic box cooler the 53-the four cold air nozzles of the 52-the four isocon

54-electric control box 60-main shaft, 61-main shaft bearings

62-leading screws.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1 is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figure 1, a kind of lathe temperature control device that the utility model embodiment provides, including spindle cooling mechanism 10, Spindle cooling mechanism 10 includes cooling generator 12, for the main flow pipe 11 of the compressed air that circulates and several for corresponding to machine respectively First cold air nozzle 13 of each bearing setting of bed main shaft 60, cooling generator 12 are fixedly installed on main flow pipe 11, and each first Cold air nozzle 13 is connect with cooling generator 12.

The lathe temperature control device of the utility model, when work, the compressed air in the main flow pipe 11 of spindle cooling mechanism 10 The cooling generator 12 being fixedly installed in first on main flow pipe 11 cools down, and forms cooling gas, then by occurring with cooling Each first cold air nozzle 13 that device 12 is connected is injected on each main shaft bearing 61 that main shaft 60 is equipped with, and is so just realized pair The cooling of main shaft bearing 61, in this way when 60 high speed rotation of main shaft, main shaft bearing 61 is just because be cooled gas brushes work With and keep temperature unobvious to rise, avoid generation thermal deformation, ensure that 60 slow-roll stabilization of main shaft and accurate, significantly reduce The main shaft 60 of lathe reaches the time needed for thermal balance, and realizes main shaft 60 (generally 120min) in heat balance time Wen Sheng is no more than 30 DEG C~35 DEG C.It so just ensure that numerically-controlled machine tool can continue to keep high-precision level of processing, realize simultaneous Gu prevents 61 thermal deformation of main shaft bearing and ensures that numerically-controlled machine tool continues sex work.

In the present embodiment, as shown in Figure 1, spindle cooling mechanism 10 further includes cold flow pipe 14, cold flow pipe 14 and main flow pipe 11 pass through one end connection of cooling generator 12, each first cold air nozzle 13 to be fixedly installed on cold flow pipe 14.

Specifically, by the way that cold flow pipe 14 is arranged so that cold flow pipe 14 passes through cooling generator 12 with main flow pipe 11 first One end is fixedly connected, then each first cold air nozzle 13 is fixedly installed on cold flow pipe 14, and such compressed air just can It is entered at each first cold air nozzle 13 by cold flow pipe 14, then by each of each first cold air nozzle 13 injection to machine tool chief axis 60 On main shaft bearing 61.Meanwhile each first cold air nozzle 13 is also avoided by adding cold flow pipe 14 and is directly passed through with main flow pipe 11 One end of cooling generator 12 is fixedly connected with the narrow phenomenon of caused installation space and occurs.

Further, by adding cold flow pipe 14, the Space Expanding of lathe temperature control device has just significantly been widened in this way, has been made Each main shaft bearing 61 that each first cold air nozzle 13 that must be fixedly mounted on cold flow pipe 14 is more easily equipped with main shaft 60 Match.

In the present embodiment, as shown in Figure 1, spindle cooling mechanism 10 further includes the first isocon 15, the first isocon 15 It is connected to cold flow pipe 14, each first cold air nozzle 13 is fixedly installed on the first isocon 15.

Specifically, by the way that the first isocon 15 is arranged, and the first isocon 15 is connected to cold flow pipe 14, each in this way the Just there are the first isocons 15 between one cold air nozzle 13 and cold flow pipe 14, so just further enhance lathe temperature control dress The Space Expanding set so that each master that each first cold air nozzle 13 being fixedly mounted on cold flow pipe 14 is equipped with main shaft 60 Axle bearing 61, which is more easily realized, is mutually matched correspondence.

In the present embodiment, as shown in Figure 1, lathe temperature control device further includes cutter cooling body 20, cutter cooling body 20 include the second isocon 21 and at least one the second cold air nozzle 22 for corresponding to the setting of machine tool 23, the second isocon 21 are connected to cold flow pipe 14, and each second cold air nozzle 22 is fixedly installed on the second isocon 21.

Specifically, by the way that cutter cooling body 20 is arranged, then the cutter 23 being fixedly connected with the main shaft 60 of numerically-controlled machine tool Just it can be cooled down by the cooling effect of the cooling gas sprayed from the second cold air nozzle 22, just ensure that knife in this way Tool 23 will not cause intensity to decline during with processing object metal high-speed friction because temperature liter is excessive, and brittle failure occurs, into And the dry-type processing rate of cutter has been obviously improved it using clean, low temperature cooling gas.

Further, it since cutter cooling body 20 is cooled down to cutter 23 by cooling gas, avoids in this way Traditional cooling system (such as spray cooling system) easily in cooling procedure generate foul the phenomenon that occur.

Further, the high-speed gas sprayed from the second cold air nozzle 22 can also will be wrapped in the metal on cutter 23 Clast blows off cutter 23 so that the processing action of cutter 23 will not be interfered by metal fragment, to further improve knife The precision machining of tool 23.

Further, by the way that the second isocon 21 is arranged between cold flow pipe 14 and the second cold air nozzle 22, so just So that the second cold air nozzle 22 is easy to extend at cutter 23 under the action of the second isocon 21, to further expand machine The Space Expanding of bed temperature control device.

Preferably, by the way that the quantity of the second cold air nozzle 22 is set as multiple, then multiple second cold air nozzles 22 with Second isocon 21 is fixedly connected and corresponds to the different parts setting of cutter 23 respectively.In this way, multiple positions of cutter 23 are just equal It can further be cooled under the action of the cooling gas sprayed from multiple cold air nozzles, to realize pair Cutter 23 carries out globality and cools, and just further ensure that entirety of the cutter 23 in free-cutting metal process in this way Intensity does not decline because temperature rises.

In the present embodiment, as shown in Figure 1, lathe temperature control device further includes several for corresponding to each machine tool lead screw 62 respectively The leading screw cooling body 30 of axis setting, each leading screw cooling body 30 include third isocon 32 and several for corresponding to lathe silk The third cold air nozzle 31 of 62 axis of thick stick setting, third isocon 32 is connected to cold flow pipe 14, and each third cold air nozzle 31 is solid Dingan County is loaded on third isocon 32.

Specifically, by the way that leading screw cooling body 30 is arranged, each leading screw to being equipped in numerically-controlled machine tool is just realized in this way 62 cool down, ensure that leading screw 62 will not because of in rotation process be arranged driving nut thereon occur friction and It heats up too fast, its intensity is caused to decline.

Further, it by the way that several third cold air nozzles 31 are arranged, is exported in this way by each third cold air nozzle 31 Cooling gas just can to each leading screw 62 carry out cooling treatment.Preferably, each leading screw 62 is correspondingly arranged there are three third Cold air nozzle 31, three third cold air nozzles 31 distinguish both ends and the middle part setting of face leading screw 62, in this way, three third cold air Nozzle 31 just can realize the cooling treatment to 62 overall region of leading screw.

It is highly preferred that can also set third isocon 32 to hose, and add a third cold air nozzle 31, by this Three cold air nozzles 31 are connected by fixed mechanism with the driving nut being sheathed on leading screw 62, and the third cold air nozzle 31 is just Driving nut and the junction of leading screw 62 are arranged, the third cold air nozzle 31 just can be moved with the movement of driving nut in this way It is dynamic, the junction of face driving always nut and leading screw 62, realize to the junction of driving nut and leading screw 62 it is real-time with Track cools down.

It is highly preferred that each first cold air nozzle 13, the second cold air nozzle 22 and each third cold air nozzle 31 are cooling gun. In this way, 20 DEG C~40 DEG C of cold airflow lower than room temperature can be generated by having benefited from cooling gun, cool to reach good Effect.

In the present embodiment, as shown in Figure 1, lathe temperature control device further includes for the cutting in cutting liquid case 43 Liquid temperature control mechanism 40, cutting fluid temperature control mechanism 40 include reciprocal inflection pipe 41, first end and the main flow pipe 11 of reciprocal inflection pipe 41 It is connected to across one end of cooling generator 12, the second end of reciprocal inflection pipe 41 is connected to cold flow pipe 14.

Specifically, by installing reciprocal inflection pipe 41, and the first end of reciprocal inflection pipe 41 and master in cutting liquid case 43 Flow tube 11 passes through one end of cooling generator 12 to be fixedly connected, and cooling gas can be imported into cutting by reciprocal inflection pipe 41 in this way It in liquid case 43, so just realizes and cooling processing is carried out to cutting fluid, ensure that the temperature of the cutting fluid of recycling exists always In rational temperature range.

Further, due to the reciprocally bending characteristic of reciprocal inflection pipe 41, the big portion in cutting liquid case 43 can be touched Subregion just can so promote the efficiency that cooling processing is carried out to the cutting fluid in cutting liquid case 43.

In the present embodiment, as shown in Figure 1, cutting fluid temperature control mechanism 40 further includes several needle fins 42, each needle fin 42 It is fixedly installed on reciprocal inflection pipe 41.Specifically, each needle fin 42 offers through hole, and reciprocal inflection pipe 41 is whole to be worn It crosses each through hole and is fixedly connected with each needle fin 42.

Further, due to the presence of each needle fin 42, each needle fin 42 in this way can will be cooling in reciprocal inflection pipe 41 The cold flow that gas is sent out quickly is transmitted in cutting liquid case 43, and then significantly improves reciprocal inflection pipe 41 to the cold of cutting fluid But efficiency.

Optionally, also heating module can be added on cooling generator 12, then when weather cold, causes to cut liquid case 43 When interior cutting fluid temperature is too low, heating module can be started, its compressed air will be flowed through and heated, and then reciprocal inflection Pipe 41 can quickly and efficiently be conducted the heat of heat gas to cutting liquid case 43 by its own and needle fin 42, in turn Realize the quick heating to cutting fluid.

In the present embodiment, as shown in Figure 1, lathe temperature control device further includes electronic box temperature control mechanism 50, electronic box temperature control mechanism 50 include the 4th isocon 52 and the 4th cold air nozzle 53 for stretching into electric control box 54, the first end of the 4th isocon 52 It is connected to main flow pipe 11, the 4th cold air nozzle 53 is fixedly installed in the second end of the 4th isocon 52.

Further, the 4th cold air nozzle 53 and the 4th isocon 52 of electric control box 54 are stretched by setting, in this way Compressed gas in main flow pipe 11 just can be sprayed by the 4th isocon 52 and the 4th cold air nozzle 53 to electric control box 54 It is interior, to realize to cooling down inside electric control box 54, avoids electric control box 54 and caused due to over-heat inside Device aging.

Further, it by making compressed gas spurt into electric control box 54, also achieves to electric control box 54 Interior dedusting, dehumidifying and the deposition that degreases.Avoid and dust and greasy dirt be unable to control by exhaust fan air draft, easily lead to dust and Phenomenon in greasy dirt electric control box 54 occurs.Meanwhile using compressed air as to dedusting, the dehumidifying in electric control box 54 With the means for the deposition that degreases, it has been significantly reduced use cost in this way, has avoided and sky is installed in the cabinet of electric control box The caused operation of air conditioner vibrations of tune are big, install and safeguard that air-conditioning phenomenon of high cost occurs.

In the present embodiment, as shown in Figure 1, electronic box temperature control mechanism 50 further includes electronic box cooler 51, electronic box cooler 51 It is fixedly installed on the 4th isocon 52.In this way, compressed air can be divided into cold airflow through the vortex tube in electronic box cooler 51 And thermal current, cold airflow then can distribute the inside that external member is transferred to electric control box 54 by air, to realize to electric-controlled Cooling for case 54 processed degreases with dedusting.

Further, by the way that spindle cooling mechanism 10, cutter cooling body 20, leading screw cooling body 30, cutting fluid is arranged Temperature control mechanism 40 and electronic box temperature control mechanism 50 just realize the adjusting of comprehensive temperature control to numerically-controlled machine tool entirety in this way.And pass through master Together with above-mentioned each mechanism is connected in series by flow tube 11 and cold flow pipe 14, just only need in this way a piece main flow pipe 11 of setting and one it is cold Flow tube 14 just realizes the supply of the cooling gas to above-mentioned each mechanism, and then significantly reduces the supply cost of cooling gas, Significantly improve the efficiency of supply of cooling gas.

The utility model embodiment additionally provides a kind of numerically-controlled machine tool, includes above-mentioned lathe temperature control device.

The numerically-controlled machine tool of the utility model embodiment, due to including above-mentioned lathe temperature control device, then lathe temperature control Device just can ensure the temperature stability for the main shaft bearing 61 being equipped on machine tool chief axis 60 in the operational process of numerically-controlled machine tool, Main shaft bearing 61 be restrained effectively with 60 high-speed rotation of main shaft and there is a phenomenon where thermal deformations, so ensures that main shaft 60 is grown The stability of time high-speed rotation, and then ensure that the cutter 23 being fixedly connected with main shaft 60 in numerically-controlled machine tool processes work for a long time The accuracy of part, allowing for numerically-controlled machine tool in this way being capable of long-time stable military service.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle Within the scope of shield.

Claims (10)

1. a kind of lathe temperature control device, it is characterised in that：Including spindle cooling mechanism, the spindle cooling mechanism includes cooling sends out The first cold air that raw device, the main flow pipe for the compressed air that circulates and several each bearings for corresponding to machine tool chief axis respectively are arranged Nozzle, the cooling generator are fixedly installed on the main flow pipe, and each first cold air nozzle occurs with the cooling Device connects.

2. lathe temperature control device according to claim 1, it is characterised in that：The spindle cooling mechanism further includes cold flow Pipe, the cold flow pipe pass through one end of the cooling generator to be connected to the main flow pipe, and each first cold air nozzle is solid Dingan County is loaded on the cold flow pipe.

3. lathe temperature control device according to claim 2, it is characterised in that：The spindle cooling mechanism further includes first point Flow tube, first isocon are connected to the cold flow pipe, and each first cold air nozzle is fixedly installed in described first point In flow tube.

4. lathe temperature control device according to claim 2, it is characterised in that：The lathe temperature control device further includes that cutter is cold But mechanism, the cutter cooling body include the second isocon and at least one the second cold air for corresponding to machine tool setting Nozzle, second isocon are connected to the cold flow pipe, and each second cold air nozzle is fixedly installed in described second point In flow tube.

5. lathe temperature control device according to claim 2, it is characterised in that：The lathe temperature control device further includes several use In the leading screw cooling body for corresponding to the setting of each machine tool lead screw respectively, if each leading screw cooling body include third isocon and The third cold air nozzle for corresponding to the machine tool lead screw setting is done, the third isocon is connected to the cold flow pipe, each institute Third cold air nozzle is stated to be fixedly installed on the third isocon.

6. lathe temperature control device according to claim 2, it is characterised in that：The lathe temperature control device further includes for pacifying Cutting fluid temperature control mechanism in cutting liquid case, the cutting fluid temperature control mechanism includes reciprocal inflection pipe, the reciprocal inflection The first end of pipe passes through one end of the cooling generator to be connected to the main flow pipe, the second end of the reciprocal inflection pipe and institute State the connection of cold flow pipe.

7. lathe temperature control device according to claim 6, it is characterised in that：The cutting fluid temperature control mechanism further includes several Needle fin, each needle fin are fixedly installed on the reciprocal inflection pipe.

8. according to claim 1~7 any one of them lathe temperature control device, it is characterised in that：The lathe temperature control device is also Including electronic box temperature control mechanism, the electronic box temperature control mechanism includes the 4th isocon and the 4th cold air for stretching into electric control box The first end of nozzle, the 4th isocon is connected to the main flow pipe, and the 4th cold air nozzle is fixedly installed in described The second end of four isocons.

9. lathe temperature control device according to claim 8, it is characterised in that：The electronic box temperature control mechanism further includes that electronic box is cold But device, the electronic box cooler are fixedly installed on the 4th isocon.

10. a kind of numerically-controlled machine tool, it is characterised in that：It include claim 1~9 any one of them lathe temperature control device.