CN201304503Y - Dedicated toolholder for indexable insert - Google Patents
Dedicated toolholder for indexable insert Download PDFInfo
- Publication number
- CN201304503Y CN201304503Y CNU2008201590472U CN200820159047U CN201304503Y CN 201304503 Y CN201304503 Y CN 201304503Y CN U2008201590472 U CNU2008201590472 U CN U2008201590472U CN 200820159047 U CN200820159047 U CN 200820159047U CN 201304503 Y CN201304503 Y CN 201304503Y
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- CN
- China
- Prior art keywords
- holder
- angle
- plane
- indexable insert
- tool rest
- 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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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
A dedicated toolholder for an indexable insert comprises a tool apron, a fastening bolt and a clamping part; an indexable insert installation part and a bolt mounting hole are arranged on the tool apron; the clamping part is arranged above the tool apron; a through-hole is formed on the clamping part; the fastening bolt is embedded in the through-hole and is in threaded connection with the bolt mounting hole; a compression spring is sleeved on the fastening bolt and positioned between the tool apron and the clamping part; a first inclined plane group is arranged at the connection part of the back end of the tool apron and the clamping part; a second inclined plane group which can be meshed with the first inclined plane group on the tool apron is arranged at the connection part of the back end of the clamping part and the tool apron; the first inclined plane group comprises two first inclined planes which form an angle Alpha with each other; the second inclined plane group comprises two second inclined planes which form an angle Beta with each other; the range of the angle Alpha and the angle Beta is between 110 DEG to 150 DEG; and the relationship between the two angles is that 0 DEG equals to or is smaller than |Alpha minus Beta| which equals to or is smaller than 5 DEG. The dedicated toolholder has the advantages of ensuring the clamped indexable insert to be pushed downward and inward, and firmly clamping the indexable insert on the tool apron; and furthermore, the clamping force is evenly distributed.
Description
Technical field
The utility model relates to the machine cut process technology, relates in particular to the indexable insert tip, throw away tip special tool holder that uses in machining.
Background technology
At present, exist the employing Hardmetal materials of multiple shape or the Indexable cutting inserts that ceramic material is made, as rhombus, rhomboid and leg-of-mutton indexable insert tip, throw away tip, this type of blade is normally fixed by the mechanical grip cutter holder.The existing cutter holder that is used for fixing indexable insert tip, throw away tip has various ways, normally used cutter holder comprises tool rest, holder, sells and is used to forcing to sell the device towards the inside rotational motion of cutter holder, yet, the shortcoming of this kind cutter holder is, the front end tip portion of cutting tip has the trend that is placed on backing plate below the blade of leaving, this trend causes breaks down sometimes, and this kind cutter holder is inconvenient to change blade.
The patent No. is that the patent of invention of ZL01814578.7 discloses a kind of clamping cutter holder, the holder of this cutter holder makes the cutter head that cutting tip is pressed to tool rest hold the bottom surface and the sidewall in cave, tool rest has along leaving direction and the intilted inclined-plane that cutter head holds the cave, inclined-plane on holder cooperates as a kind of slideway, when pinching screw is tightened, holder engages with the back medial surface of cutting tip installing hole and the rear top surface of cutting tip, this kind clamping cutter holder releasable clamping blade in tool rest can solve the problem that aforementioned cutter holder exists preferably.But holder is during with blade pressing, and the inclined-plane of holder engages with the inclined-plane of tool rest, and chucking power is comparatively concentrated, easily causes anchor clamps to damage when big resistance cutting; In addition, this clamping cutter holder is because the holder fixing hole on the tool rest becomes an oblique angle with the blade locating hole, and processing is inconvenient.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of and guarantee that the indexable insert tip, throw away tip of clamping is promoted downwards and inwardly, with the indexable insert tip, throw away tip firm grip on tool rest, and the indexable insert tip, throw away tip special tool holder that is evenly distributed of chucking power.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of indexable insert tip, throw away tip special tool holder, comprise tool rest, fishbolt and holder, described tool rest is provided with transposition blade installation portion and bolt mounting holes, described holder places the tool rest top, holder is provided with through hole, fishbolt is placed in the through hole and with bolt mounting holes and is threaded, be arranged with the compression spring on the fishbolt, this compression spring is between tool rest and holder, the position that described tool rest rear end and holder join is provided with the first inclined-plane group, the position that described holder rear end and tool rest join be provided with can with the second inclined-plane group of first inclined-plane group engagement on the tool rest, the first inclined-plane group comprises first inclined plane of two α at an angle to each other, the second inclined-plane group comprises second inclined plane of two β at an angle to each other, the scope of angle [alpha] and angle beta all between 110 °～150 °, both sides relation be 0 °≤| alpha-beta |≤5 °.
Connected by the transition cancave cambered surface between described two first inclined planes, connected by the transition convex globoidal between described two second inclined planes, the transition convex globoidal is engaged in the transition cancave cambered surface.
The angle of the central axis of described each first inclined plane and bolt mounting holes is γ, the angle of the central axis of each second inclined plane and bolt mounting holes is θ, the scope of angle γ and angle θ all between 30 °～50 °, both sides relation be 0 °≤| γ-θ |≤5 °.
The front end lower surface of described holder is provided with the column protuberance that is suitable for the hole wall adjacency of transposition blade center positioning hole, and the position that the lower surface of holder is adjacent with the column protuberance is provided with at least one cushion part.
The contacted position of lower surface of described column protuberance and holder is provided with the empty avoiding inclined-plane, and the angle of the central axis of the center positioning hole of described empty avoiding inclined-plane and transposition blade is ω, and the scope of angle ω is between 2 °～7 °.
Compared with prior art, advantage of the present utility model is: the position that holder rear end and tool rest join be provided with can with the second inclined-plane group of first inclined-plane group engagement on the tool rest, when fishbolt is tightened, the first inclined-plane group adjacency on second inclined-plane group on the holder and the tool rest, and becoming a kind of slideway, the pressure that holder is produced transposition blade can more easily order about transposition blade and move downwards and backward; And owing to be that multiaspect meshes in groups, make the clamping force mean allocation,, and make more firm the clamping of transposition blade even holder can not be damaged easily yet when big resistance cuts in both sides.The utility model can also further improve performance of the present utility model by transition cancave cambered surface and transition convex globoidal are set, in the fishbolt rundown process, the contacting to cooperate of transition convex globoidal and transition cancave cambered surface guarantees that holder does not rotate with fishbolt, plays the guide effect of holding concurrently of local position-limiting action.The utility model can also be provided with cushion part at the position adjacent with the column protuberance, when this cushion part is meshed with the location end face of transposition blade, the mid portion of holder lower surface does not contact with transposition blade or tool rest, helps the reasonable distribution holder to act on power on the location end face of transposition blade.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a fractionation structural representation of the present utility model;
Fig. 3 is the sectional structure schematic diagram that the utility model pine is executed state;
Fig. 4 is the sectional structure schematic diagram of the utility model clamped condition;
Fig. 5 is the side-looking structural representation of holder;
Fig. 6 is the perspective view of holder.
Each label is represented among the figure:
1, tool rest 2, fishbolt
3, holder 4, compression spring
5, transposition blade 6, backing plate
7, alignment pin 11, transposition blade installation portion
12, first inclined plane 13, transition cancave cambered surface
14, bolt mounting holes 111, backing plate locating hole
141, containing hole 31, through hole
32, second inclined plane 33, column protuberance
34, cushion part 35, empty avoiding inclined-plane
36, transition convex globoidal 51, center positioning hole
52, location end face 53, bottom surface
The specific embodiment
Indexable insert tip, throw away tip special tool holder of the present utility model is suitable for fixedly rhombus, rhomboid and leg-of-mutton transposition blade 5, such transposition blade 5 can be made by Hardmetal materials or ceramic material, and has a smooth bottom surface 53, a location end face 52 and a center positioning hole 51.Be that example is described in further detail the technical solution of the utility model with the cutter holder that is applicable to clamping rhombus transposition blade below.
To shown in Figure 6, the cutter holder that is used for fixing indexable insert tip, throw away tip of the present utility model comprises tool rest 1, fishbolt 2, holder 3, compression spring 4, backing plate 6 and alignment pin 7 as Fig. 1.Tool rest 1 front end is provided with the transposition blade installation portion 11 that is used to hold, install polygon transposition blade 5, and tool rest 1 middle part is provided with bolt mounting holes 14, and bolt mounting holes 14 epimeres are to be used to hold the containing hole 141 that compresses spring 4, and hypomere is a threaded portion.The angle of blade installation portion 11 two sides is according to the shape setting of clamping transposition blade 5, blade installation portion 11 bottom surfaces are provided with backing plate locating hole 111, backing plate 6 places on the bottom surface of blade installation portion 11, alignment pin 7 passes the centre bore 61 of backing plate 6 and inserts in the backing plate locating hole 111 of blade installation portion 11, alignment pin 7 be a kind of flexible, expand or the spring catch of compression, be used to keep the relative position of backing plate 6 and tool rest 1, the bottom surface 53 of transposition blade 5 places on the backing plate 6, and two adjacent sidewalls of transposition blade 5 contact with the two side of blade installation portion 11.The utility model also can be set directly at transposition blade 5 on the bottom surface of blade installation portion 11, and does not use backing plate 6 and alignment pin 7, in this interchangeable embodiment, does not just need to be provided with backing plate locating hole 111 on the bottom surface of blade installation portion 11.Holder 3 places tool rest 1 top, holder 3 is provided with through hole 31, holder 3 is used for transposition blade 5 is clamped in the blade installation portion 11 of tool rest 1, holder 3 is driven by fishbolt 2, the epimere of fishbolt 2 is a head, head down is the slightly little column part of diameter, it is threaded portion that column part extends to hypomere, fishbolt 2 head diameters are greater than the diameter of through hole 31, the column part diameter is less than the diameter of through hole 31, the column part of fishbolt 2 extends through the through hole 31 on the holder 3, threaded portion is threaded with bolt mounting holes 14 on the tool rest 1, be arranged with compression spring 4 on the fishbolt 2, this compression spring 4 extends along the column part of fishbolt 2, its two ends are pressed on respectively on tool rest 1 and the holder 3, and an end that is pressed on tool rest 1 is placed in the containing hole 141, when fishbolt 2 is tightened, the end face adjacency of the lower surface of its head and holder 3, the threaded portion engagement of the bolt mounting holes 14 of its underpart threaded portion and tool rest 1, the central axis C 1 of bolt mounting holes 14 is parallel to the central axis C 2 of the center positioning hole 51 of described transposition blade 5, is convenient to bolt mounting holes 14, backing plate locating hole 111 and center positioning hole 51 are processed the location.The position that tool rest 1 rear end and holder 3 join is provided with the first inclined-plane group, the first inclined-plane group comprises first inclined plane 12 of two α at an angle to each other, the scope of angle [alpha] is between 110 °～150 °, the angle [alpha] value is 135 ° in the present embodiment, and two first inclined planes 12 connect by the transition cancave cambered surface of being located at therebetween 13.Stretch out downwards and backward with respect to through hole 31 holder 3 rear ends, form at the position that joins with tool rest 1 can with the second inclined-plane group of the first inclined-plane group engagement on the tool rest 1, the second inclined-plane group comprises second inclined plane 32 of two β at an angle to each other, the scope of angle beta is between 110 °～150 °, and 0 °≤| alpha-beta |≤5 °, the angle beta value is 133 ° in the present embodiment, two second inclined planes 32 by be located at therebetween, can be connected with the transition convex globoidal 36 of transition cancave cambered surface 13 engagements.Each first inclined plane 12 is γ with the angle of the central axis C 1 of bolt mounting holes 14, the scope of angle γ is between 30 °～50 °, angle γ value is 40 ° in the present embodiment, each second inclined plane 32 is θ with the angle of the central axis C 1 of bolt mounting holes 14, the scope of angle theta is between 30 °～50 °, and 0 °≤| γ-θ |≤5 °, the angle theta value is 39 ° in the present embodiment.When fishbolt 2 is tightened, the first inclined-plane group adjacency on second inclined-plane group on the holder 3 and the tool rest 1, transition convex globoidal 36 is engaged in the transition cancave cambered surface 13, make the first inclined-plane group, second inclined-plane consist of a kind of slideway, the pressure that 3 pairs of transposition blades of holder 5 are produced, can more easily order about transposition blade 5 moves downwards and backward, and because engagement in groups, make the clamping force mean allocation in both sides, clamp more firm, even holder 3 can not be damaged easily yet when big resistance cutting.In fishbolt 2 rundown process, the contacting to cooperate of transition convex globoidal 36 and transition cancave cambered surface 13 guarantees that holder 3 does not rotate when fishbolt 2 is tightened, and plays the guide effect of holding concurrently of local position-limiting action.The front end lower surface of holder 3 is provided with the column protuberance 33 that is suitable for the hole wall adjacency of transposition blade center positioning hole 51, the lower surface of holder 3 and column protuberance 33 adjacent positions are provided with two cushion part 34, cushion part 34 is used for being meshed with the location end face 52 of transposition blade 5, when cushion part 34 is meshed with the location end face 52 of transposition blade 5, the mid portion of holder 3 lower surfaces does not contact with transposition blade 5 or tool rest 1, and cushion part 34 helps reasonable distribution holder 3 to act on power on the location end face 52 of transposition blade 5.Cushion part 34 also can be saved, and promptly directly is meshed with the location end face 52 of transposition blade 5 with the bottom surface of holder 3 front ends.Column protuberance 33 has two parts up and down, the contacted position of the lower surface of top and holder 3 is provided with empty avoiding inclined-plane 35, empty avoiding inclined-plane 35 is ω with the angle of center positioning hole 51 axis, and the scope of angle ω is between 2 °～7 °, and angle ω value is 5 ° in the present embodiment.The generation of following situation has been avoided on empty avoiding inclined-plane 35: because the used holder 3 of the utility model mostly is cast member, its process detail can cause interference to the hole wall adjacency of column protuberance 33 and indexable insert tip, throw away tip center positioning hole 51.
Claims (7)
1, a kind of indexable insert tip, throw away tip special tool holder, comprise tool rest (1), fishbolt (2) and holder (3), described tool rest (1) is provided with indexable insert tip, throw away tip installation portion (11) and bolt mounting holes (14), described holder (3) places tool rest (1) top, holder (3) is provided with through hole (31), fishbolt (2) is placed in the through hole (31) and with bolt mounting holes (14) and is threaded, be arranged with compression spring (4) on the fishbolt (2), this compression spring (4) is positioned between tool rest (1) and the holder (3), it is characterized in that: the position that described tool rest (1) rear end and holder (3) join is provided with the first inclined-plane group, the position that described holder (3) rear end and tool rest (1) join be provided with can with the second inclined-plane group of the last first inclined-plane group engagement of tool rest (1), the first inclined-plane group comprises first inclined plane (12) of two α at an angle to each other, the second inclined-plane group comprises second inclined plane (32) of two β at an angle to each other, the scope of angle [alpha] and angle beta all between 110 °～150 °, both sides relation be 0 °≤| alpha-beta |≤5 °.
2, indexable insert tip, throw away tip special tool holder according to claim 1, it is characterized in that: connect by transition cancave cambered surface (13) between described two first inclined planes (12), connected by transition convex globoidal (36) between described two second inclined planes (32), transition convex globoidal (36) is engaged in the transition cancave cambered surface (13).
3, indexable insert tip, throw away tip special tool holder according to claim 1 and 2, it is characterized in that: described each first inclined plane (12) is γ with the angle of the central axis (C1) of bolt mounting holes (14), each second inclined plane (32) is θ with the angle of the central axis (C1) of bolt mounting holes (14), the scope of angle γ and angle θ all between 30 °～50 °, both sides relation be 0 °≤| γ-θ |≤5 °.
4, indexable insert tip, throw away tip special tool holder according to claim 1 and 2, it is characterized in that: the front end lower surface of described holder (3) is provided with the column protuberance (33) that is suitable for the hole wall adjacency of transposition blade center positioning hole (51), and the position that the lower surface of holder (3) is adjacent with column protuberance (33) is provided with at least one cushion part (34).
5, indexable insert tip, throw away tip special tool holder according to claim 3, it is characterized in that: the lower surface of described holder (3) front end is provided with the column protuberance (33) that is suitable for the hole wall adjacency of the center positioning hole (51) of transposition blade (5), and the position that the lower surface of holder (3) is adjacent with column protuberance (33) is provided with at least one cushion part (34).
6, indexable insert tip, throw away tip special tool holder according to claim 4, it is characterized in that: described column protuberance (33) is provided with empty avoiding inclined-plane (35) with the contacted position of lower surface of holder (3), described empty avoiding inclined-plane (35) is ω with the angle of the central axis (C2) of the center positioning hole (51) of transposition blade (5), and the scope of angle ω is between 2 °～7 °.
7, indexable insert tip, throw away tip special tool holder according to claim 5, it is characterized in that: described column protuberance (33) is provided with empty avoiding inclined-plane (35) with the contacted position of lower surface of holder (3), described empty avoiding inclined-plane (35) is ω with the angle of the central axis (C2) of the center positioning hole (51) of transposition blade (5), and the scope of angle ω is between 2 °～7 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201590472U CN201304503Y (en) | 2008-11-05 | 2008-11-05 | Dedicated toolholder for indexable insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201590472U CN201304503Y (en) | 2008-11-05 | 2008-11-05 | Dedicated toolholder for indexable insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304503Y true CN201304503Y (en) | 2009-09-09 |
Family
ID=41096965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201590472U Expired - Lifetime CN201304503Y (en) | 2008-11-05 | 2008-11-05 | Dedicated toolholder for indexable insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304503Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391311B (en) * | 2008-11-05 | 2010-10-20 | 株洲钻石切削刀具股份有限公司 | Special tool holder for transposition blade |
| CN103890535A (en) * | 2011-10-19 | 2014-06-25 | 斯比特机械部件有限及两合公司 | Method for measuring a three-dimensional object |
| CN105965044A (en) * | 2016-06-27 | 2016-09-28 | 北京沃尔德金刚石工具股份有限公司 | Mini type integral PCBN blade and production method |
-
2008
- 2008-11-05 CN CNU2008201590472U patent/CN201304503Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391311B (en) * | 2008-11-05 | 2010-10-20 | 株洲钻石切削刀具股份有限公司 | Special tool holder for transposition blade |
| CN103890535A (en) * | 2011-10-19 | 2014-06-25 | 斯比特机械部件有限及两合公司 | Method for measuring a three-dimensional object |
| CN103890535B (en) * | 2011-10-19 | 2018-02-27 | 斯比特机械部件有限及两合公司 | Method for measuring three-dimensional body |
| CN105965044A (en) * | 2016-06-27 | 2016-09-28 | 北京沃尔德金刚石工具股份有限公司 | Mini type integral PCBN blade and production 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 |
Granted publication date: 20090909 Effective date of abandoning: 20081105 |