CN2631669Y - Cutter head clamp structure - Google Patents
Cutter head clamp structure Download PDFInfo
- Publication number
- CN2631669Y CN2631669Y CN 03266248 CN03266248U CN2631669Y CN 2631669 Y CN2631669 Y CN 2631669Y CN 03266248 CN03266248 CN 03266248 CN 03266248 U CN03266248 U CN 03266248U CN 2631669 Y CN2631669 Y CN 2631669Y
- Authority
- CN
- China
- Prior art keywords
- jaw
- cutterhead
- block piece
- cutterhead body
- distance
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a cutter head clamping device. A plurality of clamp groups is installed between the cutter head body and the block device. Every clamp group is composed of two holding jaws, two guide pins and an elastic device. Each holding jaw is combined with a guide pin and arranged at each side of the clamp groove of the cutter head body. The elastic device maintains the holding jaws to be clamped with each other. The bottom of the block device is separated from the top of the cutter head body. The distance should be greater than the height of the holding jaw, which makes sure that the holding jaw can steadily move up and down in the defined space by the guide pins in the range of the separated distance.
Description
Technical field
The utility model relates to the turning centre machine, is meant a kind of cutterhead holding structure especially.
Background technology
The cutter head structure of one of existing turning centre machine composition is for taking in a plurality of knife bars that cutter uses that are used to link simultaneously, it is the clip slot that is shaped on a plurality of placement knife bars at discoidal cutterhead body periphery ring, generally speaking, for strengthening the steadiness after knife bar is placed, the jaw of a pair of rigidity also can be set, by inboard cancave cambered surface of each jaw and the chimeric purpose that reaches stable holding that contacts of cutter rod body at each clip slot place of cutterhead.But, when turning centre machine selected use knife bar and when with main tapping gripping knife bar, knife bar will be carried to form intimate engagement with main tapping on slightly, perhaps, when main tapping will get loose knife bar so that when the follow-up tool changing, knife bar will be ejected slightly down to determine that knife bar and main tapping break away from, yet, the knife bar that is in each jaw clamping this moment will affect each jaw to produce together by force with amount of movement slightly and carry or press down, under the long term of this situation, will inevitably cause damage to rigid jaw and cutterhead body fixing position.
Therefore, there is designer partly to change clip slot 2 places of cutterhead body 1 into one and bends the elastomer 3 that forms, as shown in Figure 1 and Figure 2, elastomer 3 two ends conchoidal respectively form a block holding part 4,5, each block holding part 4,5 is left and right sides strangulation cutter rod body (not shown) with firm clamping knife bar, though the structure of elastomer 3 has deformability improving above-mentioned shortcoming,, there is the shortcoming of elastic fatigue in elastomer 3, loses the effect of firm grip knife bar easily.
Summary of the invention
At the problems referred to above, main purpose of the present utility model is to provide a kind of cutterhead holding structure, and it has the effect of firm clamping knife bar and the shortcoming of nonelastic fatigue.
Secondary objective of the present utility model is to provide a kind of cutterhead holding structure, and its jaw that provides can be done accordingly and move up and down with the gripping/action that gets loose of main tapping, avoids the structural failure between jaw and cutterhead body.
In order to achieve the above object, a kind of cutterhead holding structure provided by the utility model, it includes: a cutterhead body, periphery ring are provided with most for the clip slot of placing knife bar; Plural number clamping group is made up of two jaws, two pilot pins and an elastic component respectively, and each jaw combine with a pilot pin respectively and branch is located at the both sides of clip slot, and elastic component maintains to the folder state jaw, and each jaw has one and presss from both sides the face of leaning on and contact with the cutter rod body; At least one block piece is arranged on cutterhead body top, and block piece has a bottom surface and the cutterhead body end face distance of being separated by, and this distance makes jaw can be subjected to pilot pin spacing and upper and lower reposefully mobile in this distance range greater than the height of jaw.
Description of drawings
Fig. 1 is a schematic diagram of commonly using cutter head structure;
Fig. 2 commonly uses the clip slot of cutter head structure and the schematic diagram of elastic component correspondence position;
Fig. 3 is the exploded perspective view of the utility model one preferred embodiment;
Fig. 4 is the local schematic perspective view that amplifies of the utility model preferred embodiment;
Fig. 5 is the combination stereogram of the utility model preferred embodiment;
Fig. 6 is the application schematic diagram of the utility model preferred embodiment;
Fig. 7 is the schematic diagram of the utility model jaw clamping knife bar;
Fig. 8 is Fig. 7 roughly the same, and the schematic diagram of jaw with the knife bar displacement is described.
The specific embodiment
Now enumerating preferred embodiment of the present utility model and conjunction with figs. is elaborated.
As Fig. 3, Fig. 4 and shown in Figure 5, cutterhead holding structure of the present utility model separates part 40 by a cutterhead body 10, plural clamping group 20, a block piece 30 with number to be formed, wherein:
Cutterhead body 10 is a disc-shaped bodies, its periphery is equipped with most the clip slots 11 that supply knife bar 50 (as shown in Figure 6) to place in the mode of equidistant arrangement, cutterhead body 10 forms a carrier plate 12 between adjacent clip slot 11, and has provided two interlocking holes 13, two centre bores 14 and locating holes 15 on each carrier plate 12.
Each clamping group 20 is made up of two jaws 21, two pilot pins 22 and an elastic component 23 respectively, wherein, each jaw 21 be arc and have in the bending place, stage casing one run through top, bottom surface place hole 24, jaw 21 ends have a hook part 25, and the folder that jaw 21 inboards have a projecting block and form an indent arc on the surface is by face 26.The length of two pilot pins 22 is greater than the height of jaw 21, and pilot pin 22 ends have caulking groove 221, and the assembling of each pilot pin 22 repeats after holding.Elastic component 23 is a kind of extension spring, as shown in Figure 5, elastic component 23 is set between the adjacent clamping group 20, and its two ends are hooked in respectively on the hook part 25 of jaw 21 of different clamping groups 20, by the effect of elastic component 23 restoring forces, make every pair of jaw 21 maintain to the folder state.
Respectively separate part 40 and be made up of a sleeve 41, a screw rod 42 and a nut 43, the height of sleeve 41 is greater than the height of aforementioned jaw 21.
More than be the explanation of each member of the utility model cutterhead holding structure and associated location thereof, then, again its assembling mode be described as follows:
As shown in Figure 4, earlier each sleeve 41 is placed on the carrier plate 12 of cutterhead body 10 with jaw 21, then, the end and the pilot pin 22 that each screw rod 42 are had thread segment 421 have caulking groove 221 with most pin rods 27, an end of 271 passes the locating hole 35 of block piece 30 respectively, behind centre bore 34 and the interlocking hole 33, each screw rod 42 passes the locating hole 15 of sleeve 41 and cutterhead body 10 in regular turn, each pilot pin 22 continues to wear the centre bore 14 that places hole 24 and cutterhead body 10 of jaw 21, each pin rod 27 then directly wears the interlocking hole 13 of cutterhead body 10, afterwards, be screwed on nut 43 on the thread segment 421 of screw rod 42, again with C shape button 28,29 are connected to each caulking groove 221 respectively, on 271, block piece 30 is firmly combined with cutterhead body 10.Simultaneously, as shown in Figure 7, be subjected to the influence of the height of sleeve 41, the bottom surface 36 of block piece 30 is separated with a distance mutually with the end face 16 of cutterhead body 10.Again as shown in Figure 5, jaw 21 front ends after the assembling are the breach of extension near clip slot 11, and the end face 16 of the bottom surface of jaw 21 and cutterhead body 10 pastes and support (as shown in Figure 7), and each pin rod 27 is positioned at jaw 21 outsides.And the application of the utility model cutter head structure as shown in Figure 6.
Again as shown in Figure 7, leaned on the view of face 26 firm clampings by the folder of jaw 21 for expression knife bar 50, this moment each jaw 21 the complete smooth cutterhead body 10 in bottom surface end face 16 and be subjected to lifting of carrier plate 12, when rotating, each knife bar 50 can not produce and rock when cutterhead is controlled.As shown in Figure 8, when knife bar 50 along with the gripping of main tapping/get loose action and when producing the minute movement amount, each jaw 21 will be subjected to guiding that pilot pin 22 provides and spacing, and move together in company with knife bar 50, so just, can avoid the structural failure of 10 of jaw 21 and cutterhead bodies, therefore, the utility model has improved to commonly use when the rigid jaw structure is touched along with knife bar and has easily caused the shortcoming of junction structural failure, and has improved the shortcoming that there is elastic fatigue in elastomer that another kind of wind spring makes.
The foregoing description adopts block piece and cutterhead body to constitute the design of mezzanine space jointly, certainly, also it can be changed into the pilot pin apical margin make have the larger area blocking part or on pilot pin a sheathed pad can reach too the guiding and the effect spacing to jaw.
Claims (4)
1, a kind of cutterhead holding structure is characterized in that including:
One cutterhead body, its periphery ring are provided with the clip slot of most placement knife bars;
Plural number clamping group, form by two jaws, two pilot pins and an elastic component respectively, described each jaw combines with described each pilot pin respectively and also divides the both sides that is located at described clip slot, described elastic component maintains to the folder state described jaw, and described each jaw has a folder and contacts with the body portion of described knife bar by face;
At least one block piece, be arranged on described cutterhead body top, described block piece has a bottom surface and the described cutterhead body end face distance of being separated by, and described distance is greater than the height of described jaw, makes the described jaw can be spacing upper and lower reposefully down the moving of described pilot pin in described distance range.
2, cutterhead holding structure as claimed in claim 1 is characterized in that: described two jaw front ends extend the breach near described clip slot, and described jaw bottom surface is supported with the subsides of described cutterhead body end face.
3, cutterhead holding structure as claimed in claim 2, it is characterized in that: described each position, jaw stage casing has one and places the hole for what described pilot pin passed, described block piece is disc-shaped bodies and has and the described most clip slots of described cutterhead body with spline structure, at least one part that separates is arranged between described block piece and the described cutterhead body, makes the described distance of being separated by between described block piece and described cutterhead body.
4, cutterhead holding structure as claimed in claim 3, it is characterized in that: the described part that separates is made up of a sleeve, a screw rod and a nut, described screw rod one end combines with described nut after passing described block piece, sleeve and cutterhead body in regular turn, the height of described sleeve forms described distance, and described block piece is by described each pilot pin and describedly separate part and described cutterhead body is affixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03266248 CN2631669Y (en) | 2003-06-27 | 2003-06-27 | Cutter head clamp structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03266248 CN2631669Y (en) | 2003-06-27 | 2003-06-27 | Cutter head clamp structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2631669Y true CN2631669Y (en) | 2004-08-11 |
Family
ID=34298159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03266248 Expired - Lifetime CN2631669Y (en) | 2003-06-27 | 2003-06-27 | Cutter head clamp structure |
Country Status (1)
Country | Link |
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CN (1) | CN2631669Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101733420B (en) * | 2010-01-04 | 2011-07-06 | 黑龙江光大数控机床有限责任公司 | Turning tool cutter row device of combined working machine tool of milling machine |
CN101636240B (en) * | 2007-03-20 | 2012-09-05 | 钴碳化钨硬质合金公司 | Tool |
CN111093892A (en) * | 2017-08-12 | 2020-05-01 | 索特精密机械有限公司 | Tool turret |
-
2003
- 2003-06-27 CN CN 03266248 patent/CN2631669Y/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101636240B (en) * | 2007-03-20 | 2012-09-05 | 钴碳化钨硬质合金公司 | Tool |
CN101733420B (en) * | 2010-01-04 | 2011-07-06 | 黑龙江光大数控机床有限责任公司 | Turning tool cutter row device of combined working machine tool of milling machine |
CN111093892A (en) * | 2017-08-12 | 2020-05-01 | 索特精密机械有限公司 | Tool turret |
CN111093892B (en) * | 2017-08-12 | 2021-11-26 | 索特精密机械有限公司 | Tool turret |
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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 | ||
CX01 | Expiry of patent term |
Expiration termination date: 20130627 Granted publication date: 20040811 |