CN203696544U - Taper shank converting sleeve for machine tool spindle - Google Patents
Taper shank converting sleeve for machine tool spindle Download PDFInfo
- Publication number
- CN203696544U CN203696544U CN201420097678.1U CN201420097678U CN203696544U CN 203696544 U CN203696544 U CN 203696544U CN 201420097678 U CN201420097678 U CN 201420097678U CN 203696544 U CN203696544 U CN 203696544U
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- CN
- China
- Prior art keywords
- machine tool
- chief axis
- main shaft
- blind rivet
- tool chief
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of machine tools and particularly relates to a taper shank converting sleeve for a machine tool spindle. The taper shank converting sleeve for the machine tool spindle comprises the machine tool spindle, a spindle pull rod, a spindle claw, a blind rivet, an end face key, a tensioning spring, a positioning sleeve and a tightening screw and is characterized in that a converting body, a standard pull claw, a pull claw positioning sleeve and an adjusting gasket are arranged inside the machine tool spindle; the upper end of the blind rivet is fixedly connected with the spindle pull rod through a thick cylinder; the lower end of the blind rivet is corresponding to the internal diameter of the converting body; an end surface of the converting body which is in contact with the machine tool spindle through the adjusting gasket is fixedly connected with the machine tool spindle through the tightening screw; the end surface key is fixedly connected with the converting body; the pull claw positioning sleeve which is arranged inside a converting body internal hole is in sliding connection with the conversion body internal hole; the front end of the pull claw positioning sleeve is snapped to the standard pull claw; the rear end of the pull claw positioning sleeve is corresponding to a top table of the blind rivet. The taper shank converting sleeve for the machine tool spindle has the advantages of being simple in structure, less in mechanical part, convenient to machine, low in production cost, convenient to maintain, high in interconvertibility, stable in machining accuracy and the like.
Description
Technical field
The utility model relates to machine tool technology field, specifically a kind of machine tool chief axis taper shank conversion sleeve.
Background technology
At present, the tapering number of the main shaft 7:24 taper hole of large-sized gantry milling machine and large floor boring machine is generally NO.60, and the tapering number of the main shaft 7:24 taper hole of conventional boring and milling class lathe is generally NO.50.Therefore, these type of heavy duty machine tools all need to be again equipped with the machine tool such as cutter and measurer that a whole set of taper shank is NO.60, and cannot realize with conventional taper shank is that the machine tool of NO.50 is general, has increased the use cost of lathe.
Through retrieval, CN202877631 discloses a kind of drill holder structure of ISO50 taper hole conversion ISO taper hole of automatic tool-broaching, it comprises ISO50 taper hole main shaft and main shaft pull bar, main shaft claw, drill holder blind rivet, cover one, cover two, O type circle, spring and claw, after ISO50 taper hole main shaft, be provided with ISO50 outer cone and become ISO40 inner cone drill holder, ISO taper hole main shaft is connected by 4 screws with drill holder, above screw, be provided with key one, ISO50 outer cone becomes ISO40 inner cone drill holder rear end and is provided with key two, between cover one and cover two, be provided with O type circle, its deficiency: the one, complex structure, machine components are many, processed complex, production cost is high, maintenance is inconvenient, the 2nd, because this invention adopts Split type structure, in use, ISO50 outer cone become cooperation between ISO40 inner cone drill holder and ISO50 taper hole main shaft be by male cone (strobilus masculinus) and inner conical surface contact ensure, after the conical surface fully contacts, both end faces can not contact, always leave certain gap, cause machining accuracy unstable, the 3rd, the structure of claw is according to internal space design, needs independent processing and fabricating, causes that universal performance is low, interchangeability is poor, the 4th, owing to being provided with O type circle between cover one and cover two, therefore, need to fix to overlapping one inwall processing the annular groove of O type circle, virtually increase processing cost.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, machine components are few, easy to process, production cost is low, machine tool chief axis taper shank conversion sleeve easy to maintenance, that interchangeability is high, machining accuracy is stable.
The utility model solves the technical scheme that its technical problem adopts:
A kind of machine tool chief axis taper shank conversion sleeve, comprise machine tool chief axis, main shaft pull bar, main shaft claw, blind rivet, straight end-face key, tensioning spring, positioning sleeve and trip bolt, it is characterized in that being provided with conversion body in described machine tool chief axis, pulling claw, pulling claw positioning sleeve and adjusting pad, described main shaft pull bar is arranged in machine tool chief axis, main shaft pull bar front end is provided with main shaft claw, rear end and machine tool chief axis centre bore are slidably connected, in described main shaft pull bar centre bore, be provided with tensioning spring, tensioning spring lower end is fixedly connected with blind rivet through positioning sleeve, upper end and main shaft pull bar are inconsistent, described blind rivet is by thick cylinder, the kidney-shaped structure of thin cylinder and cone table composition, described thin cylinder one end is fixedly connected with the miner diameter end of cone table, the other end is fixedly connected with thick cylinder, the bigger diameter end of described cone table is provided with top platform vertically, described blind rivet upper end is fixedly connected with main shaft pull bar through thick cylinder, lower end is corresponding with conversion body internal diameter through top platform, described conversion body is to be formed by fixedly connecting by the flange concentric of taper body and taper body bigger diameter end, described conversion body endoporus is by pulling claw positioning sleeve installing hole, pulling claw motion vestibule and bellmouth are connected and form, the tapering of described bellmouth is identical with incline direction and the gradient of the taper body of conversion body, described conversion body is inserted in the centre bore of machine tool chief axis, described conversion body end face contacts with machine tool chief axis through adjusting pad, and be fixedly connected with machine tool chief axis through trip bolt, make the conical surface and the end face of conversion body simultaneously stressed, every precision of guaranteeing conversion body reaches stable, described straight end-face key is fixedly connected with conversion body, described pulling claw positioning sleeve is located in conversion body endoporus and with conversion body endoporus and is slidably connected, pulling claw positioning sleeve front end and the clamping of pulling claw phase, rear end is corresponding with the top platform of blind rivet, be beneficial to realize broaching tool and the action of loose cutter of synchronizeing with machine tool chief axis by blind rivet, the use of the machine tool that completes NO.50 on NO.60 main shaft, thereby reduce kind and the quantity of machine tool, improve the versatility of machine tool, save production cost.
The utility model can be provided with adjusting pad on the you face of the top of described blind rivet lower end, is beneficial to realize broaching tool and the action of loose cutter of synchronizeing with machine tool chief axis.
The utility model, owing to adopting said structure, has the advantages such as simple in structure, machine components are few, easy to process, production cost is low, easy to maintenance, interchangeability is high, machining accuracy is stable.
brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference numeral: blind rivet 1, adjusting pad 2, conversion body 3, pulling claw 4, adjusting pad 5, straight end-face key 6, machine tool chief axis 7, main shaft pull bar 8, main shaft claw 9, trip bolt 10, pulling claw positioning sleeve 11, tensioning spring 12, positioning sleeve 13.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in Figure 1, a kind of machine tool chief axis taper shank conversion sleeve, comprise machine tool chief axis 7, main shaft pull bar 8, main shaft claw 9, blind rivet 1, straight end-face key 6, tensioning spring 12, positioning sleeve 13 and trip bolt 10, it is characterized in that being provided with conversion body 3 in described machine tool chief axis 7, pulling claw 4, pulling claw positioning sleeve 11 and adjusting pad 5, described main shaft pull bar 8 is arranged in machine tool chief axis 7, main shaft pull bar 8 front ends are provided with main shaft claw 9, rear end and machine tool chief axis 7 centre bores are slidably connected, in described main shaft pull bar 8 centre bores, be provided with tensioning spring 12, tensioning spring 12 lower ends are fixedly connected with blind rivet 1 through positioning sleeve 13, upper end and main shaft pull bar 8 are inconsistent, described blind rivet 1 is by thick cylinder, the kidney-shaped structure of thin cylinder and cone table composition, described thin cylinder one end is fixedly connected with the miner diameter end of cone table, the other end is fixedly connected with thick cylinder, the bigger diameter end of described cone table is provided with top platform vertically, described blind rivet 1 upper end is fixedly connected with main shaft pull bar 8 through thick cylinder, lower end is corresponding with conversion body 3 internal diameters through top platform, described conversion body 3 is to be formed by fixedly connecting by the flange concentric of taper body and taper body bigger diameter end, described conversion body endoporus is by pulling claw positioning sleeve installing hole, pulling claw motion vestibule and bellmouth are connected and form, the tapering of described bellmouth is identical with incline direction and the gradient of the taper body of conversion body, described conversion body is inserted in the centre bore of machine tool chief axis 7, described conversion body 3 end faces contact with machine tool chief axis 7 through adjusting pad 5, and be fixedly connected with machine tool chief axis 7 through trip bolt 10, make the conical surface and the end face of conversion body 3 simultaneously stressed, every precision of guaranteeing conversion body 3 reaches stable, described straight end-face key 6 is fixedly connected with conversion body 3, described pulling claw positioning sleeve 11 is located in conversion body 3 endoporus and with conversion body 3 endoporus and is slidably connected, pulling claw positioning sleeve 11 front ends and pulling claw 4 phase clampings, rear end is corresponding with the top platform of blind rivet 1, be beneficial to realize broaching tool and the action of loose cutter of synchronizeing with machine tool chief axis 7 by blind rivet 1, the use of the machine tool that completes NO.50 on NO.60 main shaft, thereby reduce kind and the quantity of machine tool, improve the versatility of machine tool, save production cost.
The utility model can be provided with on the top you face of described blind rivet 1 lower end adjusts packing ring 5, is beneficial to realize broaching tool and the action of loose cutter of synchronizeing with machine tool chief axis 7.
In Fig. 1, the utility model when mounted, first, the pulling claw of NO.50 4 is packed into the inside of conversion body 3, be enclosed within on special blind rivet 1 adjusting packing ring 2, blind rivet 1 and pulling claw 4 are tightened with instrument, again adjusting pad 5 is screwed on the end face of conversion body 3, then straight end-face key 6 is screwed in the keyway of conversion body 3, above-mentioned like this part has just become an entirety, namely main shaft of the present invention taper shank conversion sleeve.When use, the pulling claw of inner machine tool chief axis NO.60 in open configuration, by after the 7:24 inner cone laminating of the 7:24 outer cone of conversion sleeve and NO.60 machine tool chief axis, the pulling claw of machine tool chief axis just can return to closure state, tighten again the soket head cap screw of four M20 on conversion sleeve, make fully contacting of conversion sleeve outer cone and machine tool chief axis inner cone, the end face of conversion sleeve and the end face of machine tool chief axis also fit tightly simultaneously.When after the broaching tool oil cylinder generation broaching tool action of machine tool chief axis, the pulling claw of machine tool chief axis can be strained blind rivet 1 and move upward, then strains the machine tool of NO.50 by pulling claw 4, completes a broaching tool action.When the loose knife oil cylinder of machine tool chief axis occurs after the action of loose cutter, the pulling claw of machine tool chief axis can promote blind rivet 1 and move downward, then moves downward by the machine tool that pulling claw 4 promotes NO.50, completes once loose cutter action.
The utility model, owing to adopting said structure, has the advantages such as simple in structure, machine components are few, easy to process, production cost is low, easy to maintenance, interchangeability is high, machining accuracy is stable.
Claims (2)
1. a machine tool chief axis taper shank conversion sleeve, comprise machine tool chief axis, main shaft pull bar, main shaft claw, blind rivet, straight end-face key, tensioning spring, positioning sleeve and trip bolt, it is characterized in that being provided with conversion body in described machine tool chief axis, pulling claw, pulling claw positioning sleeve and adjusting pad, described main shaft pull bar is arranged in machine tool chief axis, main shaft pull bar front end is provided with main shaft claw, rear end and machine tool chief axis centre bore are slidably connected, in described main shaft pull bar centre bore, be provided with tensioning spring, tensioning spring lower end is fixedly connected with blind rivet through positioning sleeve, upper end and main shaft pull bar are inconsistent, described blind rivet is by thick cylinder, the kidney-shaped structure of thin cylinder and cone table composition, described thin cylinder one end is fixedly connected with the miner diameter end of cone table, the other end is fixedly connected with thick cylinder, the bigger diameter end of described cone table is provided with top platform vertically, described blind rivet upper end is fixedly connected with main shaft pull bar through thick cylinder, lower end is corresponding with conversion body internal diameter through top platform, described conversion body is to be formed by fixedly connecting by the flange concentric of taper body and taper body bigger diameter end, described conversion body endoporus is by pulling claw positioning sleeve installing hole, pulling claw motion vestibule and bellmouth are connected and form, the tapering of described bellmouth is identical with incline direction and the gradient of the taper body of conversion body, described conversion body is inserted in the centre bore of machine tool chief axis, described conversion body end face contacts with machine tool chief axis through adjusting pad, and be fixedly connected with machine tool chief axis through trip bolt, described straight end-face key is fixedly connected with conversion body, described pulling claw positioning sleeve is located in conversion body endoporus and with conversion body endoporus and is slidably connected, pulling claw positioning sleeve front end and the clamping of pulling claw phase, rear end is corresponding with the top platform of blind rivet.
2. a kind of machine tool chief axis taper shank conversion sleeve according to claim 1, is characterized in that the top you face of described blind rivet lower end is provided with adjusting pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097678.1U CN203696544U (en) | 2014-03-05 | 2014-03-05 | Taper shank converting sleeve for machine tool spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097678.1U CN203696544U (en) | 2014-03-05 | 2014-03-05 | Taper shank converting sleeve for machine tool spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203696544U true CN203696544U (en) | 2014-07-09 |
Family
ID=51047043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097678.1U Expired - Fee Related CN203696544U (en) | 2014-03-05 | 2014-03-05 | Taper shank converting sleeve for machine tool spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203696544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397534A (en) * | 2014-09-09 | 2016-03-16 | 卢成楚 | Elastic clamping device |
| CN107803692A (en) * | 2017-11-06 | 2018-03-16 | 都匀东方机床有限公司 | Automatically machine tool main shaft nested inside formula structure is pulled loose |
| CN109664133A (en) * | 2018-12-27 | 2019-04-23 | 齐齐哈尔二机床(集团)有限责任公司 | A kind of vertical milling-lathe machining center attachment clamp system |
-
2014
- 2014-03-05 CN CN201420097678.1U patent/CN203696544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397534A (en) * | 2014-09-09 | 2016-03-16 | 卢成楚 | Elastic clamping device |
| CN107803692A (en) * | 2017-11-06 | 2018-03-16 | 都匀东方机床有限公司 | Automatically machine tool main shaft nested inside formula structure is pulled loose |
| CN109664133A (en) * | 2018-12-27 | 2019-04-23 | 齐齐哈尔二机床(集团)有限责任公司 | A kind of vertical milling-lathe machining center attachment clamp system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |