CN202804807U - Electric connecting joint and lathe cooling system - Google Patents
Electric connecting joint and lathe cooling system Download PDFInfo
- Publication number
- CN202804807U CN202804807U CN 201220456334 CN201220456334U CN202804807U CN 202804807 U CN202804807 U CN 202804807U CN 201220456334 CN201220456334 CN 201220456334 CN 201220456334 U CN201220456334 U CN 201220456334U CN 202804807 U CN202804807 U CN 202804807U
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- China
- Prior art keywords
- flexible connector
- cutterhead
- lathe
- cooling medium
- transposition
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- Expired - Fee Related
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Abstract
The utility model relates to an electric connecting joint and a lathe cooling system, aiming at providing the electric connecting joint which is simple in structure, and the lathe cooling system which uses the electric connecting joint and is simple and reliable. The electric connecting joint comprises a cover body and a pipe body, wherein the front section of the pipe body and the front section of the cover body form airtight match which can axially slide, and the back end of the pipe body is connected with the front end of a compression spring; the back end of the compression spring is fixedly arranged at the inner chamber of the pipe body, the end face of the front end of the pipe body extends out of the cover body, and a seal ring is arranged on the end face of the front end of the pipe body; and the elastic connecting head is connected with a transition connecting piece on a turning cutter disc, an outlet end of a cooling medium passageway of the transition connecting piece is connected with an external spray pipe, and an inlet end of the electric connecting head is connected with a cooling medium source. The utility model is simple in structure, and convenient to use, an installing hole does not need to be punched in the turning cutter disc, and the low-temperature cooling medium is not directly contacted with the turning cutter disc as well, so that the reduction of the structural performance of the turning cutter disc can be avoided; and the technological problem of the application of the cooling medium spray cooling which takes the low-temperature air as a main part on a lathe can be solved.
Description
Technical field
The utility model relates to the metal cutting process equipment, is specifically related to the much knives tool can be installed, and is provided with the cutting machines of cooling down facility with cutter supportingly.Also relate to simultaneously a kind of flexible connector, the negotiable fluid of connector inner chamber.
Background technology
Existing lathe, especially numerically controlled lathe adopt indexable polygonal cutterhead more, namely have on the cutterhead a plurality of, be generally 6～16 the Cutting tool installation manner position, be used for the cutter of installation different size or purposes.Can realize rapid changing knife processing by the cutterhead rotation.
During machining, in order to cool off cutter, often need with a large amount of cooling agent spray cutting region.The spraying cooling agent is normally supplied by the fluid passage acquisition cooling agent that is located at cutterhead inside; During work, each the cooling agent ejiction opening ， Fen Do on the cutterhead aims at its relative Tool in Cutting point.Also have by cutter with holes, by the inner outwards ejected coolant of cutter hub, this mode is called as interior cold working.The anchor clamps of using such as the interior cold drill bit, interior cold milling cutter, interior cold lathe tool and the interior cold working that successively occur etc.
At the end of the nineties, inventor etc. have tried out compressed-air actuated temperature has been reduced to-20 ℃～-50 ℃, sneak into very micro-finish, and the Cryogenic air ejiction opening is placed from the position of cutting point 20 millimeter, aim at cutter and carry out the cold nebulization cooling, and are respond well.But in practice in several years, the inventor finds: on the indexable polygonal cutterhead of lathe, arrange relatively difficulty of low-temperature cooling media passage and ejiction opening.Subject matter is: existing cutter head structure, cooling agent are through the inner spray De ， No that outwards carries of cutterhead the distance of considering temperature losses and ejiction opening and blade to be arranged from knife rest.After using Cryogenic air, just must consider temperature losses, the thermal deformation of knife rest, cutterhead and ejiction opening are to the closely injection problem of blade, therefore, seek a kind of cutterhead transposition connection that both had been fit to, can reduce again the delivery temperature loss, reduce cutterhead, knife rest thermal deformation, the rotating and directional spraying cooling system that can also closely spray Cryogenic air just seems necessary, and does not also have such equipment in the prior art.
Summary of the invention
The purpose of this utility model provides a kind of flexible connector simple in structure, and the simple and reliable lathe cooling system of using this flexible connector.
For achieving the above object, the utility model has adopted following technical scheme: a kind of flexible connector, it is characterized in that: comprise the body that is positioned at body, the body leading portion consists of airtight with the body leading portion and can cooperate in axial sliding, and the body rear end connects the Compress Spring front end; The Compress Spring rear end is fixed on tube cavity, and the end face of body front end stretches out outside the body, and on this end face seal is set.Seal such as the likes such as sealing gasket or sealing ring.
Accordingly, the cooling system of using this flexible connector is: the lathe cooling system, comprise lathe saddle, cooling medium source and be connected to transposition cutterhead on the lathe saddle, it is characterized in that: on the described transposition cutterhead servo-actuated transition piece is set, transition piece is provided with a plurality of coolant guiding channels, the port of export of coolant guiding channel connects external jet pipe, and external nozzle exit is arranged on the zone to be cooled of cutter or is connected with the cold medium channel in the inside of cutter; The arrival end of coolant guiding channel and the elasticity of export of flexible connector against, the arrival end of each coolant guiding channel coincide with the port of export position that the transposition cutterhead turns to behind the operating position with flexible connector, and the entrance point of flexible connector connects the cooling medium source.
Of the present utility model simple in structure, easy to use, and not be used on the transposition cutterhead and beat installing hole, the cooling medium of low temperature does not directly contact with the transposition cutterhead yet, has avoided transposition cutter head structure performance to reduce; External jet pipe and transition piece are convenient to directly adopt the low material of the thermal conductivity such as resin, plastics or heat-insulation layer are set simultaneously, reduce the thermal loss of cooling medium; Flexible connector is close to transition piece all the time, and it is little to touch area, and end face has sealing ring or sealing gasket, does not reveal, do not ice stifled, safe and reliable; Device volume is little, does not interfere with workpiece to be processed; And the external distance of external jet pipe is short, rigidity is strong, can avoid cutting to interfere.The utility model has successfully solved the technical barrier of using at lathe as main cooling medium spraying cooling take Cryogenic air in the prior art.
Description of drawings
Fig. 1 is the structural representation of lathe cooling system of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of Fig. 1 Elastic connector.
The specific embodiment
A kind of lathe cooling system as shown in Figure 1, comprise lathe saddle 1, cooling medium source 6 and be connected to transposition cutterhead 2 on the lathe saddle 1, transposition cutterhead 2 is used for connecting the cutter 5 of a plurality of different sizes, size, and cutter 5 is used for processing such as workpiece to be processed 8 cut.On the described transposition cutterhead 2 servo-actuated transition piece is set, transition piece is provided with a plurality of coolant guiding channels, and the quantity of this coolant guiding channel is common and cutter 5 quantity are identical, is convenient to the simplification of pipeline.The port of export of coolant guiding channel connects external jet pipe 4, and external jet pipe 4 outlets are arranged on the zone to be cooled of cutter 5, and namely external jet pipe 4 outlets are positioned near cutter 5 tips, are convenient to spray cooling medium Cooling and Lubricator cutter.Perhaps external jet pipe 4 outlets are connected with the cold medium channel in the inside of cutter 5; The elasticity of export of the arrival end of coolant guiding channel and flexible connector 7 against, the arrival end of each coolant guiding channel coincide with the port of export position that transposition cutterhead 2 turns to behind the operating position with flexible connector 7, and the entrance point of flexible connector 7 connects cooling medium source 6.
As described in Figure 2, flexible connector 7 comprises the body 10 that is positioned at body 20, and body 10 leading portions consist of airtight with body 20 leading portions and can cooperate in axial sliding, and body 10 rear ends connect Compress Spring 30 front ends; Compress Spring 30 rear ends are fixed on body 10 inner chambers, and the end face of body 10 front ends stretches out outside the body 20, and setting has certain flexible seal 15, for example sealing gasket of rubber or silica gel or plastic material or sealing ring on this end face.
Cooling medium source 6 can be the cooling medium carrier pipe, other can supply the mechanism of cold air, liquid or gas-liquid mixed flow medium, because common gases, cryogenic gas, liquid etc. can use as cooling medium, so all be the specific embodiment of cooling medium of the present utility model.For example cooling medium source 6 shown in Figure 1 can be the cooling medium carrier pipe, this carrier pipe can with the body 10 of flexible connector 7 by welding, steel wire is fastening or any equivalent way such as clamping is connected, and can both realize goal of the invention of the present utility model.Core is to guarantee that body 10 can stretching motion, can be close to transition piece simultaneously, and tube cavity circulation cooling medium gets final product.Certainly, transition piece can comprise a plate body 9, boring connects base 3 and external jet pipe 4 on the plate body 9, hole on the plate body 9 and base 3 consist of coolant guiding channel, perhaps plate body 9 is directly fixed external jet pipe 4, and the part tube chamber of external jet pipe 4 consists of coolant guiding channel, perhaps also is fine without plate body 9, because the time of rotation is shorter, cooling medium directly contacted with transposition cutterhead 2 and does not also have large impact when transposition cutterhead 2 rotated.Usefulness screw, pressing plate or the similar securing members such as transition piece, external jet pipe 4 are fixed on transposition cutterhead 2 surfaces, avoid cooling medium, especially cryogenic gas directly contacts with transposition cutterhead 2, avoids beating installing hole at transposition cutterhead 2, has avoided transposition cutterhead 2 structural behaviours to reduce; External jet pipe and transition piece are convenient to directly adopt the low material of the thermal conductivity such as resin, plastics or heat-insulation layer are set simultaneously, reduce the thermal loss of cooling medium.
Flexible connector is close to transition piece all the time, and contact area is little, adopts flexible end face seal structure, does not reveal, do not ice stifled, safe and reliable; Device volume is little, does not interfere with workpiece to be processed; And the external distance of external jet pipe is short, rigidity is strong, can avoid cutting to interfere.The utility model has successfully solved the technical barrier of using at lathe as main cooling medium spraying cooling take Cryogenic air in the prior art.
After adopting technique scheme: transposition cutterhead 2 goes to the operating position, coolant guiding channel all can be connected with the flexible connector 7 that is fixed on the lathe saddle 1, consist of: " cooling medium source 6---flexible connector 7---the cold medium channel in inside of transition piece---external jet pipe 4---zone/cutter 5 to be cooled " so complete cold medium transport passage, be used for the spraying cooling medium and play the Cooling and Lubricator effect to cutter 5.And because flexible connector 7 is that resilient abutment is on transition piece all the time, flexible connector can elastical retraction when transition piece rotated, when transposition cutterhead 2 turns to next operating position, the coolant guiding channel of corresponding another cutter 5 and external jet pipe 4 just participate in the coolant guiding channel of complete again, carry out spraying cooling and lubricated.
Further improve and be: described cooling medium source 6 is for providing normal temperature or cryogenic gaseous or fluid liquid, or the mechanism of normal temperature or low temperature gas-liquid mixed attitude fluid.Especially cryogenic gas sprays with mixing of hydrodynamic lubrication liquid and can play good cooling, lubrication.
Further, arrange 6～16 cutter 5 on the described transposition cutterhead 2, the corresponding setting with cutter of the coolant guiding channel on the described transition piece and external jet pipe 4.Namely arrange 6～16.
Further, described transition piece comprises and is arranged on transposition cutterhead 2 towards the plate body 9 on flexible connector 7 surfaces, and plate body 9 is affixed with base 3, and base 3 is fixed in transposition cutterhead 2 outsides, and base 3 inner chambers consist of coolant guiding channel.
The further improvement of flexible connector 7 is:
Described body 20 is the reducing tubulose that the inner chamber leading portion is thin, back segment is thick, and the radial dimension of body 10 leading portions and body 20 leading portion internal diameters coincide, and on body 10 pipe shafts O-ring seals 14 are set; Body 10 rear end one processing end plate 11 and mandrels 12, end plate 11 is between mandrel 12 and body 10, the radial dimension of end plate 11 greater than body 10 radial dimensions less than the internal diameter of body 20 back segments, end plate 11 arranges sealing ring on the surface of the reducing section 28 of body 20 inner chambers, body 10 is communicated with body 10 inner chambers near on the tube wall of end plate 11 radial direction through hole 13 being set, and described Compress Spring 30 front end sleeves are located on the mandrel 12, the rear end is connected with the middle door 21 that axially extending bore is set.
In such structure, body 10 front ends and plate body 9 against the time, the cooling medium in cooling medium source 6 enters flexible connector 7 by the axially extending bore on the door 21, then enters body 10 inner chambers through end plate 11 edges through radial direction through hole 13 and flows into transition piece and external jet pipe 4 again.Realize function of the present utility model.And in the time need not working, transposition cutterhead 2 and flexible connector 7 away from, end plate 11 compresses body 20 inner chambers under Compress Spring 30 effects reducing section 28 just can realize closing flexible connector 7.Prevent that cooling medium from leaking.
The inner chamber of described door 21 and body 20 back segments encloses in the zone of formation pedestal 22 is set, the affixed inner seat 23 of pedestal 22 endoporus, and Compress Spring 30 rear ends are connected to inner seat 23 front ends, and inner seat 23 axle cores arrange internal thread hole and are communicated with body 20 inner chambers.Such structure is convenient to internal thread hole and is threaded with cooling medium source 6.Also be convenient to change inner seat 23 or other parts because of the long-term action wearing and tearing.
The sheathed overcoat 25 in described body 20 outsides, described door 21 is made of to the shaft core direction extension overcoat 25 rear ends.The comparatively easy set-up mode of door 21 like this.Then pack into first during assembling body 10 and Compress Spring 30, inner seat 23, pedestal 22 get final product body 20 whole insertion overcoats 21.
Between described body 20 and the overcoat 25 annular compartment 26 is set, between described inner seat 23 and the outer seat annular compartment 27 is set.Such two annular compartments 26,27 can play insulation, heat insulation effect, prevent that the coolant temperatures such as cryogenic gas in the flexible connector 7 from raising or flexible connector 7 outside frostings.
Be more preferably: described inner seat 23 is metal material, and body 20, overcoat 25, pedestal 22 are plastics or resin material; Described body 20 and overcoat 25 interference fit, described overcoat 25 is plugged on metal tube 24 inner chambers, and metal tube 24 is affixed by the radial location screw with overcoat 25.Easy to connect so reliable, the material heat transfer efficient such as plastics, resin are low, are convenient to insulation, and raising and shape that metal tube then is convenient to whole parts rigidity keep, and also are convenient in addition remove a small amount of frosting or ice slush.
The utility model is fit to all kinds of cooling mediums to the cooling of metal working tool 5, especially is fit to Cryogenic air as the cooling occasion of cooling medium.Solved the technical barrier that this area exists for a long time, and simple in structure, dependable performance, easy to use.
Claims (10)
1. flexible connector is characterized in that: comprise the body (10) that is positioned at body (20), body (10) leading portion consists of airtight with body (20) leading portion and can cooperate in axial sliding, and body (10) rear end connects Compress Spring (30) front end; Compress Spring (30) rear end is fixed on body (10) inner chamber, and the end face of body (10) front end stretches out outside the body (20), and seal (15) is set on this end face.
2. flexible connector according to claim 1, it is characterized in that: described body (20) is the reducing tubulose that the inner chamber leading portion is thin, back segment is thick, the radial dimension of body (10) leading portion and body (20) leading portion internal diameter coincide, and on body (10) pipe shaft O-ring seals (14) are set; Body (10) rear end one processing end plate (11) and mandrel (12), end plate (11) is positioned between mandrel (12) and the body (10), the radial dimension of end plate (11) greater than body (10) radial dimension less than the internal diameter of body (20) back segment, end plate (11) arranges sealing ring on the surface of the reducing section (28) of body (20) inner chamber, body (10) is communicated with body (10) inner chamber near on the tube wall of end plate (11) radial direction through hole (13) being set, and described Compress Spring (30) front end sleeve is located on the mandrel (12), the rear end is connected with the middle door (21) that axially extending bore is set.
3. flexible connector according to claim 2, it is characterized in that: the inner chamber of described door (21) and body (20) back segment encloses in the zone of formation pedestal (22) is set, the affixed inner seat of pedestal (22) endoporus (23), Compress Spring (30) rear end is connected to inner seat (23) front end, and inner seat (23) axle core arranges internal thread hole and is communicated with body (20) inner chamber.
4. flexible connector according to claim 3 is characterized in that: described body (20) outside sheathed overcoat (25), described door (21) are extended to shaft core direction by overcoat (25) rear end and consist of.
5. flexible connector according to claim 4 is characterized in that: between described body (20) and the overcoat (25) annular compartment is set, between described inner seat (23) and the outer seat annular compartment is set.
6. flexible connector according to claim 5 is characterized in that: described inner seat (23) is metal material, and body (20), overcoat (25), pedestal (22) are plastics or resin material; Described body (20) and overcoat (25) interference fit, described overcoat (25) is plugged on metal tube (24) inner chamber, and metal tube (24) is affixed by the radial location screw with overcoat (25).
7. an application rights requires the lathe cooling system of the described flexible connector of any one in 1 to 6, comprise lathe saddle (1), cooling medium source (6) and be connected to transposition cutterhead (2) on the lathe saddle (1), it is characterized in that: on the described transposition cutterhead (2) servo-actuated transition piece is set, transition piece is provided with a plurality of coolant guiding channels, the port of export of coolant guiding channel connects external jet pipe (4), and external jet pipe (4) outlet is arranged on the zone to be cooled of cutter (5) or is connected with the cold medium channel in inside of cutter (5); The elasticity of export of the arrival end of coolant guiding channel and flexible connector (7) against, the arrival end of each coolant guiding channel coincide with the port of export position that transposition cutterhead (2) turns to behind the operating position with flexible connector (7), and the entrance point of flexible connector (7) connects cooling medium source (6).
8. lathe cooling system according to claim 7 is characterized in that: described cooling medium source (6) is for providing normal temperature or cryogenic gaseous or fluid liquid, or the mechanism of normal temperature or low temperature gas-liquid mixed attitude fluid.
9. lathe cooling system according to claim 8 is characterized in that: arrange 6～16 on the described transposition cutterhead (2) cutter (5), the coolant guiding channel on the described transition piece and the corresponding setting with cutter of external jet pipe (4).
10. lathe cooling system according to claim 9, it is characterized in that: described transition piece comprises and is arranged on transposition cutterhead (2) towards the plate body (9) on flexible connector (7) surface, plate body (9) is affixed with base (3), base (3) is fixed in transposition cutterhead (2) outside, and base (3) inner chamber consists of coolant guiding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456334 CN202804807U (en) | 2012-09-07 | 2012-09-07 | Electric connecting joint and lathe cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456334 CN202804807U (en) | 2012-09-07 | 2012-09-07 | Electric connecting joint and lathe cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804807U true CN202804807U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220456334 Expired - Fee Related CN202804807U (en) | 2012-09-07 | 2012-09-07 | Electric connecting joint and lathe cooling system |
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| Country | Link |
|---|---|
| CN (1) | CN202804807U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526025A (en) * | 2014-12-26 | 2015-04-22 | 苏州用朴合金工具有限公司 | Self-cooling leakproof inner-cooling drill |
| CN109751238A (en) * | 2019-02-22 | 2019-05-14 | 郑州沃华机械有限公司 | A kind of smelt gear pump and its sealing structure |
| CN110181330A (en) * | 2019-06-20 | 2019-08-30 | 桐乡双玛机械有限公司 | A kind of micro lubricating cooling system servo turret docking facilities |
| CN110900331A (en) * | 2019-11-06 | 2020-03-24 | 广州市丹爵通讯科技有限公司 | A numerical control equipment of polishing that is used for filtering capability that has of panel processing |
-
2012
- 2012-09-07 CN CN 201220456334 patent/CN202804807U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526025A (en) * | 2014-12-26 | 2015-04-22 | 苏州用朴合金工具有限公司 | Self-cooling leakproof inner-cooling drill |
| CN109751238A (en) * | 2019-02-22 | 2019-05-14 | 郑州沃华机械有限公司 | A kind of smelt gear pump and its sealing structure |
| CN109751238B (en) * | 2019-02-22 | 2024-03-08 | 郑州沃华机械有限公司 | Melt gear pump and sealing structure thereof |
| CN110181330A (en) * | 2019-06-20 | 2019-08-30 | 桐乡双玛机械有限公司 | A kind of micro lubricating cooling system servo turret docking facilities |
| CN110181330B (en) * | 2019-06-20 | 2024-04-09 | 桐乡双玛机械有限公司 | Servo turret butt joint device of micro-lubrication cooling system |
| CN110900331A (en) * | 2019-11-06 | 2020-03-24 | 广州市丹爵通讯科技有限公司 | A numerical control equipment of polishing that is used for filtering capability that has of panel processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130907 |