CN201132227Y - Cutter holder with opening and closing controlled by fork-fixed spanner - Google Patents
Cutter holder with opening and closing controlled by fork-fixed spanner Download PDFInfo
- Publication number
- CN201132227Y CN201132227Y CNU2007200655901U CN200720065590U CN201132227Y CN 201132227 Y CN201132227 Y CN 201132227Y CN U2007200655901 U CNU2007200655901 U CN U2007200655901U CN 200720065590 U CN200720065590 U CN 200720065590U CN 201132227 Y CN201132227 Y CN 201132227Y
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- CN
- China
- Prior art keywords
- fork
- cutter holder
- blade
- neck
- supporting
- 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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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The utility model discloses a toolholder, the opening and the closing of which are controlled by a fixed fork wrench, and the toolholder comprises a toolholder main body which is divided into a neck part, an upper chucking part and a lower supporting part. The neck part, the upper chucking part and the lower supporting part make a groove which is divided into a blade clamping section and an extension section which extends to the neck part, and the lower supporting part is provided with a supporting groove which can be matched with a supporting fork of the fixed fork wrench. The opening of the supporting groove is arranged at the connecting point of the blade clamping section and the extension section, and the upper surface of the extension section is a supporting surface which can keep contacting with a rotating fork of the fixed fork wrench to drive the upper chucking part to correspond to the neck part to rotate elastically. The toolholder, the opening and the closing of which are controlled by the fixed fork wrench, has the advantages of high component intensity, convenient blade dismounting, working efficiency improvement and production cost reduction.
Description
Technical field
The utility model relates to the metal cutting technology field, and relating in particular to can be by the cutter holder of fixation fork spanner control keying.
Background technology
In the metal turning processing industry, often run into need be on workpiece the narrow groove of turning or the situation of cutting workpiece, the metal cutting tool that is used for this type of work adopts comparatively expensive hard material to make usually.In order to save cost, this cutter is made blade and two parts of cutter holder, and blade is made of hard material, has cutting edge and certain installation and positioning structure, and the chucking power that self elasticity of cutter holder that can rely on is provided is installed, fixed.After the cutting edge wearing and tearing, blade can be taken out from cutter holder, and change another blade and proceed cutting.In machining, reducing processing non-cutting time is one of effective way that improves working (machining) efficiency, reduces cost, and therefore, whether can pull down blade rapidly, and new blade is installed in reliably just seems particularly important on the cutter holder.
The patent No. is that the patent of invention of ZL94120093.0 discloses a kind of metal-cutting machine tool assembly, and it includes a rigidity cutter holder, is provided with the blade holding tank on cutter holder, and has been equipped with corresponding groove and opens spanner.On the basic pawl of cutter holder He above the chucking claw through hole is being arranged respectively, spanner has two fixing prominent forks that separate each other and is used for engaging with the two through hole face, and at least one prominent fork can move relative to cutter holder, reaches to open the blade holding tank, the purpose of dismounting blade.The defective of this structure is: the through hole on chucking claw and the basic pawl makes the minimizing of gripping part thickness, intensity descend, easily produce stress and concentrates, therefore guaranteeing that the blade holding tank can provide enough greatly under the situation of clamping force, cause distortion of cutter holder gripping part even fracture easily, this has stayed hidden danger to actual production.
The patent No. is that the patent of invention of ZL00810378.X discloses a kind of clamping device and of a cutter holder that comprises and is used for the wrench assembly of cutting tip, on cutter holder, be provided with the blade holding tank, above the blade holding tank, offer keyway, the key recess is offered in the below, utilize keyway and key recess to assemble the spanner of a crank structure, one end of rotating spanner during use utilizes spanner to strut the blade holding tank, reaches the purpose of dismounting blade.Stress is concentrated certain effect though this structure is to improving, because the arm of force is shorter, therefore requires great effort very much in use, may cause the spanner distortion; Simultaneously, because the existence of keyway makes the intensity of cutter holder gripping part weaken, thereby may cause the distortion of cutter holder gripping part.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, the cutter holder that can be controlled keying by the fixation fork spanner that provide a kind of component strength height, be convenient to the fast assembling-disassembling blade, can improve working (machining) efficiency, reduces production costs.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of cutter holder that can control keying by the fixation fork spanner, comprise tool holder body, described tool holder body is divided into neck, last card-tight part and lower support portion, described neck, last card-tight part and lower support portion surround a cell body, the extension that described cell body is divided into the blade gripping section and extends to neck, described lower support portion is provided with the support slot that can cooperate with the supporting fork of fixation fork spanner, the opening of described support slot is positioned at blade gripping section and joint, extension, and the upper surface of described extension is for keeping in touch with the rotation fork of fixation fork spanner, order about the bearing-surface that card-tight part rotates relative to neck elasticity.
Described bearing-surface is a plane.
Described bearing-surface is a smooth surface.
Described support slot is a face of cylinder with the mating surface of supporting fork.
Compared with prior art, advantage of the present utility model just is:
1, be convenient to and simple in structure, be convenient to make, arm of force fixation fork spanner long, that the labor-saving effect is good is used, can be easily, with the fixation fork spanner blade gripping section is strutted efficiently, reach the purpose of fast assembling-disassembling blade, process non-cutting time thereby reduce, improve working (machining) efficiency, reduce production costs.
2, need not offer through hole or keyway, make the stress distribution of card-tight part and lower support portion even, thereby avoid gripping part distortion or fracture, improve the usage safety performance of cutter holder, prolong the service life of cutter holder in any position of tool holder body.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model;
Fig. 2 is that the utility model is in the perspective view that the blade state is installed.
Each label is represented among the figure:
1, tool holder body 2, cell body
3, blade 4, fixation fork spanner
11, neck 12, last card-tight part
13, lower support portion 21, blade gripping section
22, extension 23, blade locating surface
41, pinch bar 42, supporting fork
43, rotation is pitched 121, is gone up seal face
131, support slot 132, lower support surface
221, bearing-surface
The specific embodiment
As depicted in figs. 1 and 2, a kind of cutter holder that can control keying by the fixation fork spanner of the present utility model, comprise tool holder body 1, tool holder body 1 is divided into neck 11, last card-tight part 12 and lower support portion 13, neck 11, last card-tight part 12 and lower support portion 13 surround a cell body 2, the extension 22 that cell body 2 is divided into blade gripping section 21 and extends to neck 11, lower support portion 13 is provided with and can pitches 42 support slots that cooperate 131 with the supporting of fixation fork spanner 4, the opening of support slot 131 is positioned at blade gripping section 21 and 22 joints, extension, and the upper surface of extension 22 is for keeping in touch with the rotation fork 43 of fixation fork spanner 4, order about the bearing-surface 221 that card-tight part 12 rotates relative to neck 11 elasticity.Bearing-surface 221 is a plane or smooth surface, is a smooth surface in this example; Support slot 131 is a face of cylinder with the mating surface of supporting fork 42, so that the rotation of supporting fork 42.Last card-tight part 12 is provided with seal face 121 in the part of blade gripping section 21, and lower support portion 13 is provided with lower support surface 132 in the part of blade gripping section 21, and blade gripping section 21 is provided with blade locating surface 23 with 22 joints, extension.The cutter holder that can control keying by the fixation fork spanner of the present utility model, be convenient to simple in structure, be convenient to make, arm of force fixation fork spanner 4 long, that the labor-saving effect is good is used, can be easily, with fixation fork spanner 4 blade gripping section 21 is strutted efficiently, reach the purpose of fast assembling-disassembling blade 3, process non-cutting time thereby reduce, improve working (machining) efficiency, reduce production costs; And need not offer through hole or keyway, make the stress distribution of card-tight part 12 and lower support portion 13 even, thereby avoid gripping part distortion or fracture, improve the usage safety performance of cutter holder, prolong the service life of cutter holder in any position of tool holder body 1.
Operation principle: fixation fork spanner 4 has the supporting fork 42 that is fixed on the pinch bar 41 and pitches 43 with rotating, and the distance between supporting fork 42 and the rotation fork 43 is greater than the minimum range of support slot 131 fulcrums to bearing-surface 221.Supporting fork 42 with fixation fork spanner 4 during use places in the support slot 131 as supporting, place in the extension 22 of cell body 2 and and contact rotating fork 43 with bearing-surface 221, to pinch bar 41 application of forces, make the rotation fork 43 acquisition moment M as shown in Figure 2 that place in the extension 22, rotating fork 43 under moment M effect slides along bearing-surface 221, it is a pair of along supporting fork 42 and rotating the outside component F1 of fork 43 lines of centres that two fixation forks 42 are produced, F2, at this to component F1, under the effect of F2, last card-tight part 12 rotates relative to neck 11 elasticity, and blade gripping section 21 is strutted.When blade 3 is installed, the lower support surface 132 that the lower surface of blade 3 is adjacent to cutter holder slips into blade gripping section 21, contact with the blade locating surface 23 of cutter holder until blade 3, again fixation fork spanner 4 is gone back to original position, make the last seal face 121 of cutter holder under the elastic force effect, tightly push down blade 3, at last, take out the installation process that fixation fork spanner 4 is finished blade 3.When removing blade 3, only need utilize fixation fork spanner 4 will go up card-tight part 12 once more and strut, can take off blade 3 easily with lower support portion 13.
Claims (4)
1, a kind of cutter holder that can control keying by the fixation fork spanner, comprise tool holder body (1), described tool holder body (1) is divided into neck (11), last card-tight part (12) and lower support portion (13), described neck (11), last card-tight part (12) and lower support portion (13) surround a cell body (2), the extension (22) that described cell body (2) is divided into blade gripping section (21) and extends to neck (11), it is characterized in that: described lower support portion (13) is provided with the support slot (131) that can cooperate with the supporting fork of fixation fork spanner, the opening of described support slot (131) is positioned at blade gripping section (21) and joint, extension (22), and the upper surface of described extension (22) is for keeping in touch with the rotation fork of fixation fork spanner, order about the bearing-surface (221) that card-tight part (12) rotates relative to neck (11) elasticity.
2, the cutter holder that can be controlled keying by the fixation fork spanner according to claim 1, it is characterized in that: described bearing-surface (221) is a plane.
3, the cutter holder that can be controlled keying by the fixation fork spanner according to claim 1, it is characterized in that: described bearing-surface (221) is a smooth surface.
4, according to each described can being it is characterized in that by the cutter holder of fixation fork spanner control keying in the claim 1 to 3: described support slot (131) is a face of cylinder with the mating surface of supporting fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200655901U CN201132227Y (en) | 2007-12-27 | 2007-12-27 | Cutter holder with opening and closing controlled by fork-fixed spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200655901U CN201132227Y (en) | 2007-12-27 | 2007-12-27 | Cutter holder with opening and closing controlled by fork-fixed spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201132227Y true CN201132227Y (en) | 2008-10-15 |
Family
ID=40060501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200655901U Expired - Lifetime CN201132227Y (en) | 2007-12-27 | 2007-12-27 | Cutter holder with opening and closing controlled by fork-fixed spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201132227Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290592A (en) * | 2018-11-14 | 2019-02-01 | 中国航发动力股份有限公司 | A kind of deeply narrow annular groove tool in resilient bearing seat end face and processing method |
-
2007
- 2007-12-27 CN CNU2007200655901U patent/CN201132227Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290592A (en) * | 2018-11-14 | 2019-02-01 | 中国航发动力股份有限公司 | A kind of deeply narrow annular groove tool in resilient bearing seat end face and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071227 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |