CN104493598A - Reaming chuck for machining dust covers of mini-tillers - Google Patents
Reaming chuck for machining dust covers of mini-tillers Download PDFInfo
- Publication number
- CN104493598A CN104493598A CN201410794307.3A CN201410794307A CN104493598A CN 104493598 A CN104493598 A CN 104493598A CN 201410794307 A CN201410794307 A CN 201410794307A CN 104493598 A CN104493598 A CN 104493598A
- Authority
- CN
- China
- Prior art keywords
- left end
- taper shank
- steel ball
- drive sleeve
- screw
- Prior art date
- 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.)
- Pending
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a reaming chuck for machining dust covers of mini-tillers. The reaming chuck comprises a taper shank, a first screw, a first spring, a taper head, a nut, a first steel ball and a transmission sleeve which are axially sequentially arranged from the right to the left. The left end of the taper shank has taper, a first central hole is formed in the left end of the taper shank, the first screw is connected into the first central hole, the taper head is slidably connected to the left end of the central hole, the first spring is arranged between the taper head and the first screw, the right end of the transmission sleeve sleeves the left end of the taper shank, a first cavity for accommodating the first steel ball is peripherally arranged at the left end of the taper shank, a groove for accommodating the first steel ball is formed in an inner hole in the right end of the transmission sleeve, the right end of the nut is fixed onto the taper shank, the left end of the nut is connected to the right end of the transmission sleeve in a threaded manner, and a tool is fixed to the left end of the transmission sleeve. The reaming chuck has the advantages that the reaming chuck is simple in structure and safe and reliable in use, and the tool can be prevented from being broken due to sudden increase of cutting force.
Description
Technical field
The present invention relates to a kind of tiller dust cover processing fraising chuck.
Background technology
Tiller with small diesel engine or gasoline engine for power, the features such as have lightweight, volume is little, and structure is simple.Tiller is widely used in the nonirrigated farmland, paddy field, orchard etc. on Plain, mountain area, hills.Mix corresponding facility can carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport, tiller freely can be exercised in field, user-friendly and deposit, eliminating the worry that large-scale farm machinery cannot enter mountain area field, is that vast farmers consumer substitutes the cultivated optimal selection of ox.
Tiller is provided with dust cover; in order to avoid dust enters into engine or the transmission system of tiller; dust cover needs thread mill drilling; so that by screw fastening on tiller; but reaming tool of the prior art cutter when reaming to dust cover often can be lost because cutting force increases suddenly, and this have impact on production efficiency greatly.
Summary of the invention
The invention is intended to provide a kind of tiller dust cover processing fraising chuck, to enhance productivity.
Tiller dust cover processing fraising chuck in this programme, comprise the taper shank set gradually of turning left from the right side vertically, first screw, first spring, conehead, nut, first steel ball and drive sleeve, taper shank left end is provided with tapering, taper shank left end is provided with the first centre bore, first screw is connected in the first centre bore, centre bore left end is slidably connected conehead, the first spring is provided with between conehead and the first screw, drive sleeve right-hand member is enclosed within taper shank left end, taper shank left end is circumferentially with the first chamber of accommodation first steel ball, the groove of accommodation first steel ball is provided with in drive sleeve right-hand member endoporus, nut right-hand member is fixed on taper shank, nut left end is threaded in drive sleeve right-hand member, cutter is fixed on drive sleeve left end.
Taper shank is contained on machine tool chief axis, and main shaft overlaps transmitting torque, rotary screw by 3 steel balls, nut, shipowners, and change spring to the pressure of conehead, namely changeable steel ball overlaps the size of the frictional force on inwall between three grooves to shipowner, i.e. the size of driving torque.When the cutting force of cutter is excessive suddenly, during the moment of friction produced more than the first spring spring force, between steel ball and drive sleeve, just produce skidding, thus protection cutter is avoided losing.
This apparatus structure is simple, and cutter can be avoided to lose because cutting force increases suddenly, safe and reliable.
Further, the tapering of taper shank is No. 3 Morse's tapers, and Morse's taper is the international standard of a tapering, for stationary fit accurately to locate.Because tapering is very little, utilize the principle of frictional force, certain moment of torsion can be transmitted, again because be taper fit, so can dismantle easily.In the certain limit of same tapering, workpiece is free to dismounting, operationally can not have influence on result of use again simultaneously.
Further, also comprise the second spring, the second steel ball, clutch cover and jump ring, drive sleeve left end is provided with installing hole, installing hole sidewall is provided with the chute slided for the second steel ball, chute passes in installing hole, is connected in the middle part of drive sleeve with clutch cover right-hand member by the second spring, and in the middle part of clutch cover, endoporus is provided with the boss of locking second steel ball, fastening by jump ring between clutch cover left end and drive sleeve, fixedly secure cutter in installing hole.
Further, also comprise Quick-mounting clamp head body, the second screw, Quick-mounting clamp head body is fixed in installing hole, can pass through the second screw fastening between Quick-mounting clamp head body and cutter, and each only needs are by unclamping the second screw and removable cutting tool, convenient and swift.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: taper shank 1, first screw 2, first spring 3, conehead 4, nut 5, first steel ball 6, drive sleeve 7, second spring 8, second steel ball 9, clutch cover 10, jump ring 11, Quick-mounting clamp head body 12, second screw 13.
Embodiment is substantially as shown in Figure 1: tiller dust cover processing fraising chuck comprises taper shank 1, first screw 2, first spring 3, conehead 4, nut 5, first steel ball 6 and the drive sleeve 7 of turning left from the right side vertically and setting gradually, taper shank left end is provided with tapering, the tapering of taper shank is No. 3 Morse's tapers, Morse's taper is the international standard of a tapering, for stationary fit accurately to locate.Because tapering is very little, utilize the principle of frictional force, certain moment of torsion can be transmitted, again because be taper fit, so can dismantle easily.In the certain limit of same tapering, workpiece is free to dismounting, operationally result of use can not be had influence on again simultaneously, taper shank left end is provided with the first centre bore, first screw is connected in the first centre bore, centre bore left end is slidably connected conehead, the first spring is provided with between conehead and the first screw, drive sleeve right-hand member is enclosed within taper shank left end, taper shank left end is circumferentially with the first chamber of accommodation first steel ball, the groove of accommodation first steel ball is provided with in drive sleeve right-hand member endoporus, nut right-hand member is fixed on taper shank, nut left end is threaded in drive sleeve right-hand member, cutter is fixed on drive sleeve left end, also comprise the second spring 8, second steel ball 9, clutch cover 10 and jump ring 11, drive sleeve left end is provided with installing hole, installing hole sidewall is provided with the chute slided for the second steel ball, chute passes in installing hole, be connected by the second spring with clutch cover right-hand member in the middle part of drive sleeve, in the middle part of clutch cover, endoporus is provided with the boss of locking second steel ball, fastening by jump ring between clutch cover left end and drive sleeve, fixedly secure cutter in installing hole, also comprise Quick-mounting clamp head body 12, second screw 13, Quick-mounting clamp head body is fixed in installing hole, second screw fastening can be passed through between Quick-mounting clamp head body and cutter, each only needs are by unclamping the second screw and removable cutting tool, convenient and swift.
Taper shank is contained on machine tool chief axis, and main shaft overlaps transmitting torque, rotary screw by 3 steel balls, nut, shipowners, and change spring to the pressure of conehead, namely changeable steel ball overlaps the size of the frictional force on inwall between three grooves to shipowner, i.e. the size of driving torque.When the cutting force of cutter is excessive suddenly, during the moment of friction produced more than the first spring spring force, between steel ball and drive sleeve, just produce skidding, thus protection cutter is avoided losing.
This apparatus structure is simple, and cutter can be avoided to lose because cutting force increases suddenly, safe and reliable.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (4)
1. tiller dust cover processing fraising chuck, it is characterized in that: comprise the taper shank set gradually of turning left from the right side vertically, first screw, first spring, conehead, nut, first steel ball and drive sleeve, taper shank left end is provided with tapering, taper shank left end is provided with the first centre bore, first screw is connected in the first centre bore, centre bore left end is slidably connected conehead, the first spring is provided with between conehead and the first screw, drive sleeve right-hand member is enclosed within taper shank left end, taper shank left end is circumferentially with the first chamber of accommodation first steel ball, the groove of accommodation first steel ball is provided with in drive sleeve right-hand member endoporus, nut right-hand member is fixed on taper shank, nut left end is threaded in drive sleeve right-hand member, cutter is fixed on drive sleeve left end.
2. tiller dust cover processing fraising chuck according to claim 1, is characterized in that: the tapering of taper shank is No. 3 Morse's tapers.
3. tiller dust cover processing fraising chuck according to claim 2, it is characterized in that: also comprise the second spring, the second steel ball, clutch cover and jump ring, drive sleeve left end is provided with installing hole, installing hole sidewall is provided with the chute slided for the second steel ball, chute passes in installing hole, be connected by the second spring with clutch cover right-hand member in the middle part of drive sleeve, in the middle part of clutch cover, endoporus is provided with the boss of locking second steel ball, fastening by jump ring between clutch cover left end and drive sleeve.
4. tiller dust cover processing fraising chuck according to claim 3, is characterized in that: also comprise Quick-mounting clamp head body, the second screw, Quick-mounting clamp head body is fixed in installing hole, can pass through the second screw fastening between Quick-mounting clamp head body and cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410794307.3A CN104493598A (en) | 2014-12-21 | 2014-12-21 | Reaming chuck for machining dust covers of mini-tillers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410794307.3A CN104493598A (en) | 2014-12-21 | 2014-12-21 | Reaming chuck for machining dust covers of mini-tillers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104493598A true CN104493598A (en) | 2015-04-08 |
Family
ID=52935098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410794307.3A Pending CN104493598A (en) | 2014-12-21 | 2014-12-21 | Reaming chuck for machining dust covers of mini-tillers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104493598A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620109A (en) * | 2020-06-04 | 2020-09-04 | 深圳市微组半导体科技有限公司 | Automatic switching device for suction nozzle |
| WO2024124470A1 (en) * | 2022-12-15 | 2024-06-20 | 威海达旺机械科技有限公司 | Drill connection rod |
-
2014
- 2014-12-21 CN CN201410794307.3A patent/CN104493598A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620109A (en) * | 2020-06-04 | 2020-09-04 | 深圳市微组半导体科技有限公司 | Automatic switching device for suction nozzle |
| CN111620109B (en) * | 2020-06-04 | 2021-06-15 | 深圳市微组半导体科技有限公司 | Automatic switching device for suction nozzle |
| WO2024124470A1 (en) * | 2022-12-15 | 2024-06-20 | 威海达旺机械科技有限公司 | Drill connection rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |
|
| WD01 | Invention patent application deemed withdrawn after publication |