CN202556123U - Main shaft floating tool-loosing mechanism for vertical machining centre - Google Patents
Main shaft floating tool-loosing mechanism for vertical machining centre Download PDFInfo
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- CN202556123U CN202556123U CN2012201600682U CN201220160068U CN202556123U CN 202556123 U CN202556123 U CN 202556123U CN 2012201600682 U CN2012201600682 U CN 2012201600682U CN 201220160068 U CN201220160068 U CN 201220160068U CN 202556123 U CN202556123 U CN 202556123U
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- main shaft
- unsteady
- tool
- knife
- vertical machining
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Abstract
The utility model discloses a main shaft floating tool-loosing mechanism for a vertical machining centre. The main shaft floating tool-loosing mechanism for the vertical machining centre is arranged on the main shaft, and a main shaft box is connected to the outer side of the main shaft. The main shaft floating tool-loosing mechanism for the vertical machining centre comprises a floating tool-loosing plate, a tool-striking cylinder and a slip connection component. The floating tool-loosing plate is arranged in the main shaft box and provided with a through hole in the middle and surrounds the main shaft through the through hole, and a gap is arranged between the floating tool-loosing plate and the main shaft. An elastic body is arranged between the floating tool-loosing plate and the main shaft box. The tool-striking cylinder is arranged on a tool-striking cylinder supporting seat and connected with an external numerical control system, and a tool-striking component is arranged on the lower end of a piston rod of the tool-striking cylinder so that a contact area between the lower end of the piston rod of the tool-striking cylinder and a tool-striking position of the main shaft is increased. The lower end of the slip connection component is connected with the floating tool-loosing plate, and the upper end of the slip connection component is connected with the tool-striking cylinder supporting seat. The main shaft floating tool-loosing mechanism for the vertical machining centre has the advantages that the floating tool-loosing plate is finished by cutting a whole piece, the contact area is large, safety is high, simple in a whole mechanism and convenient to install and adjust, and a tool-striking ring is arranged on the gas-liquid pressurizing tool-striking cylinder so that the contact area between the tool-striking cylinder and the tool-striking position of the main shaft is increased.
Description
Technical field
The utility model relates to lathe automatic tool changer technical field, relates in particular to a kind of vertical machining centre with the unsteady cutter-removing mechanism of main shaft.
Background technology
In recent years; High speed development along with China's economic; The high speed development of high-speed railway, large-scale wind electricity equipment, homemade big aircraft project, large ocean equipment and auto manufacturing and engineering machinery particularly strengthens the increasing demand of high accuracy, intelligent vertical machining center.
Automatic tool changer is a requisite device for Digit Control Machine Tool; The tool changing of lathe action at present is mainly: drive source (oil cylinder or cylinder) is applied to active force on the terminal loose tool-broaching mechanism of machine tool chief axis through the action of its piston rod; Through compressing the disk spring on the loose tool-broaching mechanism; Thereby make the pintongs pawl on the loose tool-broaching mechanism open, the clamping of main shaft handle of a knife is opened, and realizes the tool changing action; When changing new handle of a knife, the drive source rollback, piston rod shrinks, and disk spring is replied distortion, and the pintongs pawl is closed, and cutter is clamped, realizes tool changing.But main shaft is in exchanging knives process; The active force of drive source will produce huge impact power when touching main shaft pine tool-broaching mechanism; This impulsive force can directly affact on the main shaft bearing, influences the life-span and the precision of bearing, thereby causes the life-span of main shaft and precision to shorten greatly.
The utility model content
To the problem of above-mentioned existence, the purpose of the utility model provides a kind of vertical machining centre with the unsteady cutter-removing mechanism of main shaft, absorbs impulsive force through utilizing buffer unit; Improve the service life and the precision of bearing life and main shaft, simple in structure, easy for installation; Contact area is big simultaneously, carries big.
The purpose of the utility model realizes through following technical proposals:
A kind of vertical machining centre is located on the main shaft with the unsteady cutter-removing mechanism of main shaft, is connected with the main shaft casing in the said main shaft outside, and said main shaft top is connected with the main axis rotation joint, wherein, comprising:
Loose knife plate spare floats; Be positioned at the main shaft casing; The middle part of said unsteady loose knife plate spare has a through hole, said unsteady loose knife plate spare through said through hole surround in said main shaft and and said main shaft between leave the gap, be provided with elastomer between said unsteady loose knife plate spare and the main shaft casing;
Knife striking cylinder is positioned on the knife striking cylinder supporting seat, and said knife striking cylinder is connected with outside digital control system, at the piston-rod lower end of said knife striking cylinder a dozen blade inserts is set, with the forge a knife contact area of position of the piston-rod lower end that increases said knife striking cylinder and main shaft;
The parts that are slidingly connected, the lower end of the said parts that are slidingly connected is connected with said unsteady loose knife plate spare, and the upper end connects said knife striking cylinder supporting seat.
Further, the said parts of forging a knife are a ring bodies.
Further, the said parts that are slidingly connected are stud.
Further, said elastomer is a spring.
Further; Said unsteady loose knife plate spare forms axisymmetric unsteady loose knife plate affixed forming each other each other by two that are positioned on the same horizontal plane; It is recessed that two said unsteady loose knife plate one sides have in one separately, and through forming said through hole after the recessed relative splicing in said.
Further, said two loose knife plates that float are mutually permanently connected through the connecting plate of both sides respectively, form an integral body.
Further, said unsteady loose knife plate in recessed semicircular in shape.
Further, said knife striking cylinder is a pneumohydraulic pressure-cylinder.
Further, between said main axis rotation joint and said knife striking cylinder supporting seat, be provided with supporting bracket.
Further, on the said main shaft, below said unsteady loose knife plate spare, be provided with the mainshaft rear bearing supporting seat.
Compared with present technology, the advantage applies of the utility model exists:
1, unsteady loose knife plate is that single piece cutting is accomplished, and contact area is big, and security is higher;
2, the ring of forging a knife is installed on the gas-liquid pressure-boosting knife striking cylinder, increases with the main shaft position contact area of forging a knife;
3, whole mechanism is simple, and Installation and Debugging are convenient.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model vertical machining centre with the most preferred embodiment of the unsteady cutter-removing mechanism of main shaft;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the partial enlarged drawing of A portion among Fig. 1;
Fig. 4 a is the structural representation of the utility model vertical machining centre with the unsteady loose knife plate of the most preferred embodiment of the unsteady cutter-removing mechanism of main shaft;
Fig. 4 b is the left view of Fig. 4 a.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further, but not as the qualification of the utility model.
Like Fig. 1 simultaneously referring to Fig. 2 and shown in Figure 3; The utility model vertical machining centre is located on the main shaft 1 with the unsteady cutter-removing mechanism of main shaft; Be connected with main shaft casing 2 in main shaft 1 outside, main shaft casing 2 lower ends utilize screw etc. to be connected on the main shaft 1, and main shaft 1 top is connected with main axis rotation joint 0.The utility model cutter-removing mechanism specifically comprises float loose knife plate spare 3, knife striking cylinder 4 and the parts 5 etc. that are slidingly connected.The loose knife plate spare 3 that wherein floats is positioned at main shaft casing 2; The middle part of unsteady loose knife plate spare 3 has a through hole; Float loose knife plate spare 3 through through hole surround in main shaft 1 and and main shaft 1 between leave the gap, the gap comprise between upper and lower surfaces the gap and about gap between the surface, in the present embodiment; Gap between upper and lower surfaces is about 0.5mm; About gap between the surface be about 1.5mm, about gap between the surface to guarantee when main shaft 1 operate as normal and the main shaft position 6 of forging a knife is broken off, do not influence its operate as normal.
As shown in Figure 2, floating is provided with elastomer 7 between loose knife plate spare 3 and the main shaft casing 2.Particularly; Shown in Fig. 4 a and Fig. 4 b, the loose knife plate spare 3 that floats forms axisymmetric unsteady loose knife plate 31 mutual affixed forming each other by two that are positioned on the same horizontal plane, and two unsteady loose knife plate 31 1 sides have in one recessed 311 separately; And recessed 311 relative splicing backs form through hole (not indicating in the drawings) in passing through; The loose knife plate 31 that floats is that single piece cutting is accomplished, and contact area is big, and security is higher.Particularly, in the utility model embodiment, two loose knife plates 31 that float are mutually permanently connected through the connecting plate 8 that is positioned at its both sides, surperficial junction respectively, form an integral body.If main shaft 1 is a cylinder, recessed 311 can be semicircle in the loose knife plate that floats.On the main shaft 1, also be provided with mainshaft rear bearing supporting seat 12 below the loose knife plate spare 3 that floating.
In this specific embodiment; Knife striking cylinder 4 is a pneumohydraulic pressure-cylinder; Be positioned on the knife striking cylinder supporting seat 9, knife striking cylinder 4 is connected with outside digital control system, at the piston-rod lower end of knife striking cylinder 4 a dozen blade inserts 41 is set; With the forge a knife contact area of position 6 of the piston-rod lower end that increases knife striking cylinder 4 and main shaft, the parts 41 of here forging a knife are a ring bodies.The be slidingly connected lower end of parts 5 is connected with unsteady loose knife plate spare 3, and the upper end connects knife striking cylinder supporting seat 9, and in the present embodiment, the parts 5 that are slidingly connected can adopt stud.Between main axis rotation joint 0 and knife striking cylinder supporting seat 9, be provided with the supporting bracket 11 that is used for supports main shaft swivel joint 0.Particularly, elastomer 7 is a spring, also can adopt rubber with identical function or sponge to wait and replace spring, and the spring 7 here can be disk spring.
During work, send the tool changing instruction when digital control system, gas-liquid pressure-boosting knife striking cylinder 4 moves; Its piston rod stretches out, and drives the parts 41 of forging a knife and moves downward, the position 6 of forging a knife on the compressing main shaft; Make the main spindle broach bar move downward, when the main shaft position 6 of forging a knife contacts with unsteady loose knife plate 31, under the influence of active force and reaction force; The connecting plate 8 and the gas-liquid pressure-boosting knife striking cylinder 4 of loose knife plate 31, the loose knife plate 31 that floats of floating moves upward along stud 5; This moment, compresses elastomeric 7 cushioned the percussion of the power of forging a knife to axle broaching tool bar, and all power of forging a knife just changes on the disk spring 7 that affacts main shaft inside, can not affact on the main shaft bearing; Protect main shaft bearing, improved the life-span of main shaft.
When the tool changing of tool magazine side was accomplished, digital control system was sent instruction, 4 actions of gas-liquid pressure-boosting knife striking cylinder; Its piston rod rollback drives the parts 41 of forging a knife and moves upward, with position 6 disengagings of forging a knife on the main shaft; Unsteady loose knife plate 31 stressed eliminations; Elastomer 7 is removed by compression, and under the spring force effect, float loose knife plate 31, connecting plate 8 and gas-liquid pressure-boosting knife striking cylinder 4 move downward along stud 5; There is the gap in loose knife plate 31 and the main shaft position 6 of forging a knife because when design floats, and main shaft can carry out processing action 1 this moment.
To sum up, the utility model vertical machining centre is simple with the whole mechanism of the unsteady cutter-removing mechanism of main shaft, and Installation and Debugging are convenient.
The above is merely the utility model preferred embodiment; Be not thus the restriction the utility model claim; So the equivalent structure that all utilization the utility model specifications and diagramatic content have been done changes, and all is included in the protection domain of the utility model.
Claims (10)
1. a vertical machining centre is located on the main shaft with the unsteady cutter-removing mechanism of main shaft, is connected with the main shaft casing in the said main shaft outside, and said main shaft top is connected with the main axis rotation joint, it is characterized in that, comprising:
Loose knife plate spare floats; Be positioned at the main shaft casing; The middle part of said unsteady loose knife plate spare has a through hole, said unsteady loose knife plate spare through said through hole surround in said main shaft and and said main shaft between leave the gap, be provided with elastomer between said unsteady loose knife plate spare and the main shaft casing;
Knife striking cylinder is positioned on the knife striking cylinder supporting seat, and said knife striking cylinder is connected with outside digital control system, at the piston-rod lower end of said knife striking cylinder a dozen blade inserts is set, with the forge a knife contact area of position of the piston-rod lower end that increases said knife striking cylinder and main shaft;
The parts that are slidingly connected, the lower end of the said parts that are slidingly connected is connected with said unsteady loose knife plate spare, and the upper end connects said knife striking cylinder supporting seat.
2. vertical machining centre as claimed in claim 1 is characterized in that with the unsteady cutter-removing mechanism of main shaft the said parts of forging a knife are a ring bodies.
3. vertical machining centre as claimed in claim 1 is characterized in that with the unsteady cutter-removing mechanism of main shaft the said parts that are slidingly connected are stud.
4. vertical machining centre as claimed in claim 1 is characterized in that with the unsteady cutter-removing mechanism of main shaft said elastomer is a spring.
5. vertical machining centre as claimed in claim 1 is with the unsteady cutter-removing mechanism of main shaft; It is characterized in that; Said unsteady loose knife plate spare forms axisymmetric unsteady loose knife plate affixed forming each other each other by two that are positioned on the same horizontal plane; It is recessed that two said unsteady loose knife plate one sides have in one separately, and through forming said through hole after the recessed relative splicing in said.
6. vertical machining centre as claimed in claim 5 is characterized in that with the unsteady cutter-removing mechanism of main shaft said two loose knife plates that float are mutually permanently connected through the connecting plate of both sides respectively, form an integral body.
7. vertical machining centre as claimed in claim 5 is characterized in that recessed semicircular in shape in the said unsteady loose knife plate with the unsteady cutter-removing mechanism of main shaft.
8. vertical machining centre as claimed in claim 1 is characterized in that with the unsteady cutter-removing mechanism of main shaft said knife striking cylinder is a pneumohydraulic pressure-cylinder.
9. vertical machining centre as claimed in claim 1 is characterized in that with the unsteady cutter-removing mechanism of main shaft, between said main axis rotation joint and said knife striking cylinder supporting seat, is provided with supporting bracket.
10. vertical machining centre as claimed in claim 1 is characterized in that with the main shaft cutter-removing mechanism that floats, on the said main shaft, below said unsteady loose knife plate spare, be provided with the mainshaft rear bearing supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201600682U CN202556123U (en) | 2012-02-10 | 2012-04-17 | Main shaft floating tool-loosing mechanism for vertical machining centre |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220042924 | 2012-02-10 | ||
| CN201220042924.4 | 2012-02-10 | ||
| CN2012201600682U CN202556123U (en) | 2012-02-10 | 2012-04-17 | Main shaft floating tool-loosing mechanism for vertical machining centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202556123U true CN202556123U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201600682U Expired - Fee Related CN202556123U (en) | 2012-02-10 | 2012-04-17 | Main shaft floating tool-loosing mechanism for vertical machining centre |
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| CN (1) | CN202556123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554672A (en) * | 2012-02-10 | 2012-07-11 | 上海三一精机有限公司 | Main shaft floating knife-loosing mechanism for vertical machining center |
| CN104369022A (en) * | 2014-11-19 | 2015-02-25 | 经纬纺织机械股份有限公司 | Auxiliary floating supporting device for machining large castings and sheet type parts |
| CN104589122A (en) * | 2015-01-15 | 2015-05-06 | 浙江傅氏机械科技有限公司 | Adjustable central water outlet cutter fracturing mechanism |
-
2012
- 2012-04-17 CN CN2012201600682U patent/CN202556123U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554672A (en) * | 2012-02-10 | 2012-07-11 | 上海三一精机有限公司 | Main shaft floating knife-loosing mechanism for vertical machining center |
| CN104369022A (en) * | 2014-11-19 | 2015-02-25 | 经纬纺织机械股份有限公司 | Auxiliary floating supporting device for machining large castings and sheet type parts |
| CN104589122A (en) * | 2015-01-15 | 2015-05-06 | 浙江傅氏机械科技有限公司 | Adjustable central water outlet cutter fracturing mechanism |
| CN104589122B (en) * | 2015-01-15 | 2017-03-29 | 浙江傅氏机械科技有限公司 | A kind of adaptable central water outlet knife machining mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150923 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Patentee after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201413, No. two, 318 Avenue, Lingang Industrial Park, Shanghai, Fengxian District, A Patentee before: Seiki Co., Ltd. Shanghai Sany |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20170417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |