CN202377863U - Inner cooling mechanism of main shaft with cutter tensioning device - Google Patents
Inner cooling mechanism of main shaft with cutter tensioning device Download PDFInfo
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- CN202377863U CN202377863U CN2011204918230U CN201120491823U CN202377863U CN 202377863 U CN202377863 U CN 202377863U CN 2011204918230 U CN2011204918230 U CN 2011204918230U CN 201120491823 U CN201120491823 U CN 201120491823U CN 202377863 U CN202377863 U CN 202377863U
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- broaching
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Abstract
The utility model provides an inner cooling mechanism of a main shaft with a cutter tensioning device, comprising a feeding mechanism, a cutter loosening mechanism, a cutter pulling mechanism, a conduction pipe, a slide guide pipe and a rotary communication part, wherein the cutter pulling mechanism is composed of a cutter pulling oil cylinder piston, a piston inner sleeve, a piston outer sleeve, an inner cover end cap and an outer cover end cap; the inner diameter of the piston outer sleeve is greater than the outer diameter of the piston inner sleeve; an annular crack is formed between the piston outer sleeve and the piston inner sleeve; two ends of the piston outer sleeve and the piston inner sleeve are respectively connected with the cutter pulling oil cylinder piston, the inner cover end cap and the outer cover end cap; the cutter pulling oil cylinder piston, the inner cover end cap and the outer cover end cap are respectively provided with holes which are communicated with the crack between the piston outer sleeve and the piston inner sleeve; the conduction pipe is communicated with cooling liquid flowing holes in a screw rod nut and the cutter pulling oil cylinder piston; the slide guide pipe is connected with the lower end of the cutter loosening mechanism; and the rotary communication part is connected with the lower end of the slide guide pipe. The inner cooling mechanism of the main shaft with the cutter tensioning device has the advantages of simple structure and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of cooling system of machining equipment main shaft, particularly relate to band cutter take-up device main shaft in cold mechanism.
Background technology
The positive effect that lathe has behind the main axle cutter take-up device is that the speed that cutter is installed obviously improves, and makes the cutter automation (in tool magazine) that is installed become possibility simultaneously.But need come the machine tool chief axis of processing parts with interior cooling for those, the introduction meeting of cooling fluid because the automatic tool-broaching device in main shaft existence and increase many difficulties.So-called cutter inner cooling is meant that cooling fluid enters into the cutter head from the handle of a knife afterbody, and cooling fluid is directly to blade, smear metal and cutting face cooling.
The patent No. is 200820230307.0 inner-cooling automatic tool-broaching mechanism of spindle of boring bar, comprises three parts such as tool-broaching mechanism, cutter-removing mechanism, pipeline conveying mechanism.Tool-broaching mechanism comprises assemblies such as pulling claw, positioning sleeve, dish spring; Cutter-removing mechanism is installed in the rear of tool-broaching mechanism, comprises assemblies such as piston rod, cylinder body, in piston rod, both has been provided with the cooling fluid hole, also is provided with oilhole, and oilhole communicates with oil cylinder; Pipeline conveying mechanism comprises assemblies such as conduit, line slideway, slide block, rotating tee, and cooling tube, oil pipe are connected on the rotating tee, is provided with cooling pore and oil pipe hole in the rotating tee, and they connect cooling fluid hole and oilhole in the conduit respectively; Rotating tee is arranged on the slide block, and slide block is placed on the line slideway.The said milling-boring machine main spindle broach of this utility model mechanism has compact conformation, and system stiffness is high; Can play in processing work cold effect in the realization main shaft is instant.
But the patent No. is 200820230307.0 inner-cooling automatic tool-broaching mechanism of spindle of boring bar, the broaching tool oil cylinder piston axially both be provided with the cooling fluid hole, also be provided with pressure oilhole (being used to promote the oilhole of broaching tool oil cylinder piston); And the broaching tool oil cylinder piston is long, and all on piston rod, the cloth difficulty is put, if arrange bad for two kinds of holes; Two kinds of oil possibility crossfires in the work, and, because the broaching tool oil cylinder piston is long; Deep hole processing difficulty, need be at broaching tool oil cylinder piston two ends deep hole processing in opposite directions, radially process cross-drilled hole then two deep holes coupled together; The outside obstruction of cross-drilled hole, processing technology is complicated again, and manufacturing cost is high.
Summary of the invention
The purpose of the utility model provides a kind of with cold mechanism in the cutter take-up device main shaft, and cold mechanism structure is simple in this band cutter take-up device main shaft, low cost of manufacture.
In order to achieve the above object, cold mechanism in the band cutter take-up device main shaft of the utility model comprises that feed mechanism, cutter-removing mechanism, tool-broaching mechanism, conducting tube, sliding catheter and rotation are communicated with; Feed mechanism is made up of ball screw, feed screw nut, guide runner, boring bar connector, boring bar and ram sleeve; The feed screw nut is connected with ball screw; Guide runner is connected with the feed screw nut; Guide runner is slidingly connected with the ram sleeve in the ram sleeve, and the guide runner lower end is connected with the boring bar connector through bearing, and boring bar connector lower end is connected with boring bar; Cutter-removing mechanism is made up of disk spring, spring pull bar and handle of a knife pulling claw, and a plurality of disk springs are superimposed and are enclosed within on the cylindrical of disk spring, and the handle of a knife pulling claw is installed in the lower end of spring pull bar; Cutter-removing mechanism is installed in the feed mechanism; The lower end of tool-broaching mechanism and cutter-removing mechanism flexibly connects, and it is characterized in that: cutter-removing mechanism is made up of cover, piston jacket and interior overcoat plug in broaching tool oil cylinder piston, the piston, and the internal diameter of piston jacket is greater than the external diameter that overlaps in the piston; Piston jacket is enclosed within the piston outside of inner cover; In piston, form the crack of annular between cover and the piston jacket, cover is connected with interior overcoat plug with the broaching tool oil cylinder piston respectively with the two ends of piston jacket in the piston, in broaching tool oil cylinder piston and the connection of interior overcoat plug, have with piston in overlap and piston jacket between the hole that is communicated with of crack; Conducting tube be communicated with that the feed screw nut goes up and the broaching tool oil cylinder piston on the cooling fluid hole of flowing through; Sliding catheter is connected with the cutter-removing mechanism lower end, and rotation is communicated with and is connected with the sliding catheter lower end, and rotation is communicated with the tool-broaching mechanism upper end and is connected.
Because the cutter-removing mechanism of cold mechanism is made up of cover, piston jacket and interior overcoat plug in broaching tool oil cylinder piston, the piston in the utility model band cutter take-up device main shaft, the internal diameter of piston jacket is greater than the external diameter that overlaps in the piston, and piston jacket is enclosed within the piston outside of inner cover; In piston, form the crack of annular between cover and the piston jacket; Cover is connected with interior overcoat plug with the broaching tool oil cylinder piston respectively with the two ends of piston jacket in the piston, broaching tool oil cylinder piston and interior overcoat plug connect have with piston in crack is communicated with between cover and the piston jacket hole, conducting tube connection feed screw nut is upward and the hole of flowing through of the cooling fluid on the broaching tool oil cylinder piston; Sliding catheter is connected with the cutter-removing mechanism lower end; Rotation is communicated with and is connected with the sliding catheter lower end, and rotation is communicated with the tool-broaching mechanism upper end and is connected, like this; Has only the cooling fluid hole on the broaching tool oil cylinder piston; There is not pressure oilhole (being used to promote the oilhole of broaching tool oil cylinder piston), simple in structure, low cost of manufacture.
Described conducting tube is a connecting pipe, and the one of which end is fixed on the broaching tool oil cylinder piston, and the other end slides in the feed screw nut.When pressure oil gets into the flange two ends of broaching tool oil cylinder piston; The broaching tool oil cylinder piston moves down together with cover, piston jacket, interior overcoat plug, sliding catheter and rotation connection in the piston that is attached thereto; Make the disk spring compression, accomplish the action of loosening cutter; When the flange pressure at two ends of broaching tool oil cylinder piston reduced, the broaching tool oil cylinder piston moved up together with cover, piston jacket, interior overcoat plug, sliding catheter and rotation connection in the piston that is attached thereto, and cutter tension action is accomplished in the disk spring resilience.In this process, conducting tube slides in the hole of ball nut mount.
It is a rotatable communicating pipe that described rotation is communicated with, and it is connected between tool-broaching mechanism and the cutter-removing mechanism, and in the course of the work, cutter-removing mechanism only moves up and down, and tool-broaching mechanism also rotates with boring bar except that moving with cutter-removing mechanism is following.
The passage of flowing through of cooling fluid: the crack → interior overcoat plug → sliding catheter → rotation connection → spring pull bar → handle of a knife pulling claw → cutter afterbody centre bore in feed screw nut → conducting tube → broaching tool oil cylinder piston → piston between cover and the piston jacket.
Cold mechanism in the band cutter take-up device main shaft of the utility model, simple in structure, low cost of manufacture.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
The explanation of Fig. 1 mark: cooling fluid gets into flexible pipe 1, conducting tube 2, and the feed screw nut 3, ball screw 4, broaching tool oil cylinder piston 5; Guide runner 6, cover 8 in the ram sleeve 7, piston, piston jacket 9, interior overcoat plug 10; Sliding catheter 11, rotation is communicated with 12, spring pull bar 13, handle of a knife pulling claw 14, boring bar connector 15; Boring bar 16, ram connecting plate 17, gear 18, boring bar overcoat 19, disk spring 20.
Referring to Fig. 1, the embodiment of cold mechanism in the utility model band cutter take-up device main shaft comprises that feed mechanism, cutter-removing mechanism, tool-broaching mechanism, conducting tube 2, sliding catheter 11 and rotation are communicated with 12; Feed mechanism is made up of ball screw 4, feed screw nut 3, guide runner 6, boring bar connector 15, boring bar 16 and ram sleeve 7; Feed screw nut 3 is connected with ball screw 4; Guide runner 6 is connected with feed screw nut 3, and guide runner 6 is slidingly connected with ram sleeve 7 in ram sleeve 7, and guide runner 6 lower ends are connected with boring bar connector 15 through bearing; Boring bar connector 15 lower ends are connected with boring bar 16, and ram sleeve 7 upper ends are connecting ram connecting plate 17; Cutter-removing mechanism is made up of disk spring 20, spring pull bar 13 and handle of a knife pulling claw 14, and a plurality of disk springs 20 are superimposed and are enclosed within on the cylindrical of disk spring 20, and handle of a knife pulling claw 14 is installed in the lower end of spring pull bar 13; Cutter-removing mechanism is installed in the feed mechanism; The lower end of tool-broaching mechanism and cutter-removing mechanism flexibly connects; Cutter-removing mechanism by overlap 8 in broaching tool oil cylinder piston 5, the piston, piston jacket 9 and interior overcoat plug 10 form, the internal diameter of piston jacket 9 is greater than the external diameter of cover 8 in the piston, piston jacket 9 is enclosed within cover 8 outsides in the piston; In piston, form the crack of annular between cover 8 and the piston jacket 9; Cover 8 is connected with interior overcoat plug 10 with broaching tool oil cylinder piston 5 respectively with the two ends of piston jacket 9 in the piston, broaching tool oil cylinder piston 5 and interior overcoat plug 10 connect have with piston in overlap 8 and piston jacket 9 between the hole that is communicated with of crack, on the conducting tube 2 connection the feed screw nuts 3 and hole of flowing through of the cooling fluid on the broaching tool oil cylinder piston 5; Feed screw nut 3 upper ends directly get into flexible pipe 1 with cooling fluid and are connected; Sliding catheter 11 is connected with the cutter-removing mechanism lower end, and rotation is communicated with 12 and is connected with sliding catheter 11 lower ends, is connected on rotation connection 12 and the tool-broaching mechanism.
Because the cutter-removing mechanism of the utility model embodiment by overlap 8 in broaching tool oil cylinder piston 5, the piston, piston jacket 9 and interior overcoat plug 10 form, the internal diameter of piston jacket 9 is greater than the external diameter of cover 8 in the piston, piston jacket 9 is enclosed within cover 8 outsides in the piston; In piston, form the crack of annular between cover 8 and the piston jacket 9; Cover 8 is connected with interior overcoat plug 10 with broaching tool oil cylinder piston 5 respectively with the two ends of piston jacket 9 in the piston, broaching tool oil cylinder piston 5 and interior overcoat plug 10 connect have with piston in overlap 8 and piston jacket 9 between the hole that is communicated with of crack, on the conducting tube 2 connection the feed screw nuts 3 and hole of flowing through of the cooling fluid on the broaching tool oil cylinder piston 5; Sliding catheter 11 is connected with the cutter-removing mechanism lower end; Rotation is communicated with 12 and is connected with sliding catheter 11 lower ends, is connected on rotation connection 12 and the tool-broaching mechanism, like this; Has only the cooling fluid hole on the broaching tool oil cylinder piston 5; There is not pressure oilhole (being used to promote the oilhole of broaching tool oil cylinder piston 5), simple in structure, low cost of manufacture.
Respectively the place of being solidly connected and active connection place sealing ring is installed in the cooling fluid hole of flowing through, good seal performance, hydraulic oil and cooling fluid are difficult for taking place crossfire.
Among the embodiment; It is a rotatable communicating pipe that rotation is communicated with 12, and it is connected between tool-broaching mechanism and the cutter-removing mechanism, in the course of the work; Cutter-removing mechanism only moves up and down; And tool-broaching mechanism also rotates with boring bar 16 except that moving with cutter-removing mechanism is following, and the rotation of boring bar 16 is to be driven by the gear 18 on its outside boring bar overcoat 19.
Among the embodiment, conducting tube 2 is a connecting pipe, and the one of which end is fixed on the broaching tool oil cylinder piston 5, and the other end slides in feed screw nut 3.When pressure oil gets into the flange two ends of broaching tool oil cylinder piston 5; Broaching tool oil cylinder piston 5 together with overlap 8 in the piston that is attached thereto, piston jacket 9, interior overcoat plug 10, sliding catheter 11 and rotation be communicated with 12 and move down; Make disk spring 20 compressions, accomplish the action of loosening cutter; When the flange pressure at two ends of broaching tool oil cylinder piston 5 reduces; Broaching tool oil cylinder piston 5 together with overlap 8 in the piston that is attached thereto, piston jacket 9, interior overcoat plug 10, sliding catheter 11 and rotation be communicated with 12 and move up; Cutter tension action is accomplished in disk spring 20 resiliences.In this process, conducting tube 2 slides in the hole of ball nut mount.
The passage of flowing through of cooling fluid: crack → interior overcoat plug 10 → sliding catheter 11 → rotation that cooling fluid gets between flexible pipe 1 → feed screw nut 3 → conducting tube 2 → broaching tool interior cover 8 of oil cylinder piston 5 → piston and the piston jacket 9 is communicated with 12 → spring pull bar, 13 → handle of a knife pulling claw, 14 → cutter afterbody centre bore.
Cold mechanism in the band cutter take-up device main shaft of the utility model, simple in structure, low cost of manufacture; Good seal performance, hydraulic oil and cooling fluid are difficult for taking place crossfire, the promotion and application of this mechanism; To improving the cooling effect of lathe, positive meaning reduces production costs.
Claims (1)
- Band cutter take-up device main shaft in cold mechanism, comprise that feed mechanism, cutter-removing mechanism, tool-broaching mechanism, conducting tube, sliding catheter and rotation are communicated with; Feed mechanism is made up of ball screw, feed screw nut, guide runner, boring bar connector, boring bar and ram sleeve; The feed screw nut is connected with ball screw; Guide runner is connected with the feed screw nut; Guide runner is slidingly connected with the ram sleeve in the ram sleeve, and the guide runner lower end is connected with the boring bar connector through bearing, and boring bar connector lower end is connected with boring bar; Cutter-removing mechanism is made up of disk spring, spring pull bar and handle of a knife pulling claw, and a plurality of disk springs are superimposed and are enclosed within on the cylindrical of disk spring, and the handle of a knife pulling claw is installed in the lower end of spring pull bar; Cutter-removing mechanism is installed in the feed mechanism; The lower end of tool-broaching mechanism and cutter-removing mechanism flexibly connects, and it is characterized in that: cutter-removing mechanism is made up of cover, piston jacket and interior overcoat plug in broaching tool oil cylinder piston, the piston, and the internal diameter of piston jacket is greater than the external diameter that overlaps in the piston; Piston jacket is enclosed within the piston outside of inner cover; In piston, form the crack of annular between cover and the piston jacket, cover is connected with interior overcoat plug with the broaching tool oil cylinder piston respectively with the two ends of piston jacket in the piston, in broaching tool oil cylinder piston and the connection of interior overcoat plug, have with piston in overlap and piston jacket between the hole that is communicated with of crack; Conducting tube be communicated with that the feed screw nut goes up and the broaching tool oil cylinder piston on the cooling fluid hole of flowing through; Sliding catheter is connected with the cutter-removing mechanism lower end, and rotation is communicated with and is connected with the sliding catheter lower end, and rotation is communicated with the tool-broaching mechanism upper end and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204918230U CN202377863U (en) | 2011-12-01 | 2011-12-01 | Inner cooling mechanism of main shaft with cutter tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204918230U CN202377863U (en) | 2011-12-01 | 2011-12-01 | Inner cooling mechanism of main shaft with cutter tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202377863U true CN202377863U (en) | 2012-08-15 |
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ID=46626382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204918230U Expired - Fee Related CN202377863U (en) | 2011-12-01 | 2011-12-01 | Inner cooling mechanism of main shaft with cutter tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202377863U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041139A (en) * | 2016-07-21 | 2016-10-26 | 山东鲁南机床有限公司 | Cutter switching and detecting system for compound revolution components of numerical control machine tool |
| CN109848449A (en) * | 2018-12-29 | 2019-06-07 | 武汉重型机床集团有限公司 | A kind of interior device for cooling being built in the middle part of boring bar |
| CN113399693A (en) * | 2021-07-15 | 2021-09-17 | 武汉市中汉精密机械有限公司 | Boring bar structure with central water outlet and automatic cutter grabbing and loosening functions |
-
2011
- 2011-12-01 CN CN2011204918230U patent/CN202377863U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041139A (en) * | 2016-07-21 | 2016-10-26 | 山东鲁南机床有限公司 | Cutter switching and detecting system for compound revolution components of numerical control machine tool |
| CN106041139B (en) * | 2016-07-21 | 2018-02-02 | 山东鲁南机床有限公司 | Digit Control Machine Tool composite revolving part Tool changeover and detecting system |
| CN109848449A (en) * | 2018-12-29 | 2019-06-07 | 武汉重型机床集团有限公司 | A kind of interior device for cooling being built in the middle part of boring bar |
| CN109848449B (en) * | 2018-12-29 | 2024-04-16 | 武汉重型机床集团有限公司 | Internal cooling device built in middle part of boring bar |
| CN113399693A (en) * | 2021-07-15 | 2021-09-17 | 武汉市中汉精密机械有限公司 | Boring bar structure with central water outlet and automatic cutter grabbing and loosening functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUHAN GUOWEI HEAVY DUTY MACHINE TOOL CO., LTD. Free format text: FORMER NAME: WUHAN GUOWEI HEAVY DUTY MACHINERY MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430223 No. 42, Jiangxia Avenue, Jiangxia District, Hubei, Wuhan Patentee after: WUHAN GUOWEI HEAVY DUTY MACHINE TOOL CO., LTD. Address before: 430223 No. 42, Jiangxia Avenue, Jiangxia District, Hubei, Wuhan Patentee before: Wuhan Guowei Heavy Duty Machine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20171201 |