CN103357911A - Chuck device and cutting device - Google Patents
Chuck device and cutting device Download PDFInfo
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- CN103357911A CN103357911A CN2013100893134A CN201310089313A CN103357911A CN 103357911 A CN103357911 A CN 103357911A CN 2013100893134 A CN2013100893134 A CN 2013100893134A CN 201310089313 A CN201310089313 A CN 201310089313A CN 103357911 A CN103357911 A CN 103357911A
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- chuck assembly
- pair
- phase place
- main body
- chuck
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Abstract
The present invention provides a chuck device and a cutting device, capable of cutting an end portion of a workpiece. A first chuck device (51) is installed at a main body (51), and comprises: three jaws (53) moving freely along a radial direction (q) about a shaft (P); and a pair of phase claws (54) installed at the main body (51) and moving freely along an axial direction (p) parallel to the shaft (P).
Description
Technical field
The present invention relates to a kind of chuck assembly and topping machanism, particularly relate to a kind of chuck assembly and topping machanism with a pair of phase place pawl.
Background technology
In the past, as the device that is used for cutting rod-shaped workpiece (for example, material crankshaft etc.), extensive use had the topping machanism for a pair of chuck assembly of holding workpiece.
In addition, proposed to have the stationary phase pawl and with respect to the stationary phase pawl chuck assembly of mobile movable phase place pawl freely, how can both determine phase place (with reference to patent documentation 1) so that no matter be formed at the shape of the phase reference face of workpiece.
Patent documentation 1:(Japan) Unexamined Patent 6-226511 communique
But, in such as patent documentation 1 described chuck assembly, stationary phase pawl and movable phase place pawl be formed with under the workpiece end butt state of phase reference face, carry out the cutting of workpiece.The problem of the end that therefore, existence can not cutting workpiece.
Summary of the invention
The present invention makes in view of above-mentioned condition, and purpose is to provide a kind of chuck assembly and topping machanism that can the cutting workpiece end.
The chuck assembly of first aspect is for the chuck assembly of clamping along the workpiece of regulation axle configuration.Chuck assembly has: main body; A plurality of chuck jaws, it is installed on the main body, and along radially freely moving centered by the regulation axle; A pair of phase place pawl, it is installed on the main body, and can be along axially freely move parallel with described regulation axle.
According to the chuck assembly of first aspect, when utilizing the milling cutter cutting workpiece, a pair of phase place pawl is retreated to main body side.Therefore, end that can cutting workpiece.
The chuck assembly of second aspect is on the basis of first aspect, and from end on observation the time, a pair of phase place pawl is disposed at the inboard of main body periphery.
According to the chuck assembly of second aspect, compare with the situation that a pair of phase place pawl is disposed at the main body outside, can make chuck assembly compact.
The chuck assembly of the third aspect first or the basis of second aspect on, when radially observing, the front end of a pair of phase place pawl on axially than the front end of a plurality of chuck jaws on axially more near main body.
According to the chuck assembly of the third aspect, compare with the situation that the front end that makes a pair of phase place pawl is more forwards given prominence to than the front end of a plurality of chuck jaws, can make chuck assembly compact.
On the basis of the chuck assembly of fourth aspect either side in first to the 3rd, have and insert in the main body and a pair of rod member that disposes vertically.From described end on observation the time, a pair of rod member can be centered by axle center separately opposite direction rotation towards each other.A pair of phase place pawl is supported on the front end of a pair of rod member.
According to the chuck assembly of fourth aspect, the phase place that can utilize a pair of phase place pawl to carry out workpiece from the sandwich of phase reference is determined.Therefore, can successfully determine the center of phase reference, thereby the phase place of can precision carrying out well workpiece is determined.
The topping machanism of the 5th aspect has: the workbench of the described chuck assembly of first aspect, supporting chuck assembly and the cutter that is used for cutting workpiece.
The topping machanism of the 6th aspect is on the basis aspect the 5th, and chuck assembly is fixed on the workbench.
According to the topping machanism of the 6th aspect, compare with the situation that makes the chuck assembly rotation, can make the designs simplification of workbench inside.
As mentioned above, the present invention can provide a kind of chuck assembly and topping machanism of end that can cutting workpiece.
Description of drawings
Fig. 1 is the side view of crankshaft miling machine 1.
Fig. 2 is the side view of the structure of expression material crankshaft.
Fig. 3 is the stereogram of the structure of expression the first workbench and the first chuck assembly.
Fig. 4 is the plane from end on observation the first chuck assembly.
Fig. 5 is from radially observing the plane of the first chuck assembly.
Fig. 6 is the rear perspective view of the first workbench and the first chuck assembly.
Fig. 7 is the flow chart for the action of explanation crankshaft miling machine.
The specific embodiment
[overall structure of crankshaft miling machine 1]
Describe with reference to the overall structure of accompanying drawing to crankshaft miling machine 1.Fig. 1 is an example of expression crankshaft miling machine 1(topping machanism) the side view of structure.Fig. 2 is an example of expression material crankshaft W(rod-shaped workpiece) the side view of structure.
Crankshaft miling machine 1 is made by milling material crankshaft W and is milled type milling machine (イ ン タ ー Na Le type ミ ラ ー) in the bent axle.
Material crankshaft W forms bar-shaped by forging, and owing to considering that milling amount has the profile larger than bent axle.As shown in Figure 2, material crankshaft W has the axle center of bending.Material crankshaft W has: first to the 5th trunnion J1～J5, first to fourth connecting rod neck P1～P4, first to the 8th crank arm A1～A8, rear flange section 210, front axle 220.The 4th connecting rod neck P4 is the position as the phase reference of material crankshaft W.As described later, by a pair of phase place pawl 54(with reference to Fig. 3) clamping the 4th connecting rod neck P4 determines the phase place of material crankshaft W.The first centre bore 210CH that rear flange section 210 has the first end face 210S and is formed at the first end face 210S.The second centre bore 220CH that front axle 220 has the second end face 220S and is formed at the second end face 220S.
As shown in Figure 1, crankshaft miling machine 1 has base 10, first and second milling cutter 20,21, the first workbench 30, the second workbench 40, the first chuck assembly 50 and the second chuck assembly 60.
First and second milling cutter 20,21 is respectively the cutter for cutting material crankshaft W.First and second milling cutter 20,21 respectively can with an example of axle P(regulation axle) parallel axial p and move with radially q that axially p is vertical.First and second milling cutter 20,21 is by being rotated to cut material crankshaft W by the periphery of first and second chuck assembly 50, the 60 material crankshaft W that fix respectively.
The first workbench 30 has the first fixed part 31 and the first mechanism incorporating section 32.The first fixed part 31 is fixed on the base 10.The first mechanism incorporating section 32 is configured on the first fixed part 31, and takes in for each mechanism that drives the first chuck assembly 50.Hereinafter will the internal structure of the first mechanism incorporating section 32 be described.
The second workbench 40 and the first workbench 30 dispose opposed to each other.The second workbench 40 has movable part 41 and mechanism incorporating section 42.Movable part 41 is disposed on the base 10, and is axially freely moving on the p.Mechanism incorporating section 42 is configured on the movable part 41, and takes in for each mechanism that drives the second chuck assembly 60.
The first chuck assembly 50 is installed on the front end front end of the first mechanism incorporating section 32 of the first workbench 30.The end of the first chuck assembly 50 clamping material crankshaft W.In addition, the phase place of the first chuck assembly 50 march axis blank W is determined.Hereinafter will the structure of the first chuck assembly 50 be described.
The second chuck assembly 60 and the first chuck assembly 50 dispose opposed to each other.The second chuck assembly 60 is installed on the front end of the mechanism incorporating section 42 of the second workbench 40.The other end of the second chuck assembly 60 clamping material crankshaft W.
[structure of the first workbench 30 and the first chuck assembly 50]
Fig. 3 is the stereogram of the structure of expression the first workbench 30 and the first chuck assembly 50.Fig. 4 is the plane of observing the first chuck assembly 50 from axial p.Fig. 5 is the side view of observing the first chuck assembly 50 from q radially.Fig. 6 is the rear perspective view of the first workbench 30 and the first chuck assembly 50.In addition, below, claiming that the second workbench 40 1 sides of the first workbench 30 are the place ahead, a side opposite with the second workbench 40 of the first workbench 30 is the rear.
As shown in Figure 3, the first chuck assembly 50 has: main body 51, top 52, an example of many chuck jaws of three-jaw 53(), a pair of phase place pawl 54(contains the first phase place pawl 54a and the second phase place pawl 54b) and a pair of rod member 55(contain the first rod member 55a and the second rod member 55b).
As shown in Figure 3, main body 51 is fixed on the front end of the first mechanism incorporating section 32 of the first workbench 30.Main body 51 forms cylindric.Main body 51 has and the second chuck assembly 60 opposed opposed faces 51S.Opposed faces 51S in the situation of the first chuck assembly 50 clamping material crankshaft W, with the first end face 210S(of rear flange section 210 with reference to Fig. 2) opposite.
As shown in Figures 3 and 4, top 52 settings are arranged on the central authorities of the opposed faces 51S of main body 51.Top 52 are installed on main body 51 freely movably along axle P.Top 52 the first center hole 210CH that are formed at the first end face 210S of rear flange section 210 by insertion come the centering (core goes out) of march axis blank W.
As shown in Figures 3 and 4, three-jaw 53 is roughly equally spaced disposing along the circumferential r centered by axle P on the opposed faces of main body 51.Three-jaw 53 radially q is installed on main body 51 freely movably.Three-jaw 53 comes securely clamping material crankshaft W by the periphery butt with rear flange section 210.
As shown in Figure 4, a pair of phase place pawl 54 is disposed at the inboard of main body 51 peripheries on the opposed faces 51S of main body 51.A pair of phase place pawl 54 is disposed at take the top 52 point-symmetric positions as benchmark.A pair of phase place pawl 54 is fixed on the front end of a pair of rod member 55.In addition, as shown in Figure 5, on axial p, the interval L1 between the front end of a pair of phase place pawl 54 and the main body 51 is less than front end and the interval L2 between the main body 51 of three-jaw 53.That is to say, the front end of a pair of phase place pawl 54 than the front end of three-jaw 53 more near main body 51.
In addition, a pair of phase place pawl 54 can move with a pair of rod member 55, and also can be with a pair of rod member 55 rotations.Specifically, as shown in Figure 4, the first phase place pawl 54a is fixed on the front end of the first rod member 55a, and is mobile with the first rod member 55a that moves along the first axle center AXa, and rotates with the first rod member 55a that rotates centered by the first axle center AXa.In addition, as shown in Figure 4, the second phase place pawl 54b is fixed on the front end of the second rod member 55b, and is mobile with the second rod member 55b that moves along the second axle center AXb, and rotates with the second rod member 55b that rotates centered by the second axle center AXb.
At this, a pair of rod member 55 opposite direction rotation towards each other centered by axle center separately.Specifically, to the first direction of rotation s1 rotation, the second rod member 55b rotates to the second direction of rotation t1 centered by the second axle center AXb the first rod member 55a centered by the first axle center AXa.Like this, when the first rod member 55a and the second rod member 55b rotate to the inside, utilize the first rod member 55a and the second rod member 55b clamping the 4th connecting rod neck P4, thereby determine the phase place of material crankshaft W.On the other hand, to the 3rd direction of rotation s2 rotation, the second rod member 55b rotates to the 4th direction of rotation t2 centered by the second axle center AXb the first rod member 55a centered by the first axle center AXa.Like this, when the first rod member 55a and the second rod member 55b rotated laterally, the phase place of the 4th connecting rod neck P4 was determined to be disengaged.
In addition, as shown in Figure 6, rotating mechanism 100 and travel mechanism 200 are taken in the first mechanism incorporating section 32 of the first workbench 30.
When supplying with working oil to the first hydraulic cylinder 103a, by making towards each other opposite direction rotation of the first gear 102a and the second gear 102b, make towards each other opposite direction rotation of the first splined shaft 101a and the second splined shaft 101b.Consequently, a pair of phase place pawl 54 rotates laterally.On the other hand, when supplying with working oil to the second hydraulic cylinder 103b, by making towards each other opposite direction rotation of the first gear 102a and the second gear 102b, make towards each other opposite direction rotation of the first splined shaft 101a and the second splined shaft 101b.Thus, a pair of phase place pawl 54 rotates to the inside.
[structure of the second workbench 40 and the second chuck assembly 60]
In the present embodiment, the second chuck assembly 60 has the structure same with the first chuck assembly 50 except not having a pair of phase place pawl 54 and a pair of rod member 55.In addition, the second workbench 40 has the structure same with the first workbench 30 except not taking in rotating mechanism 100 and travel mechanism 200.Therefore, omission is to the explanation of the structure of the second workbench 40 and the second chuck assembly 60.
[action of crankshaft miling machine 1]
Then, with reference to Fig. 7 the action of crankshaft miling machine 1 is described.Fig. 7 is the flow chart for the action of explanation crankshaft miling machine 1.
At first, in step S1, top (not shown) of the second chuck assembly 60 is inserted among the second centre bore 220CH, this second centre bore 220CH is formed at the front axle 220 of material crankshaft W.
Then, in step S2, top 52 of the first chuck assembly 50 is inserted into the first centre bore 210CH(with reference to Fig. 2), this first centre bore 210CH is formed at the rear flange section 210 of material crankshaft W.
Then, in step S3, supply with working oil by the hydraulic cylinder 102 to travel mechanism 100, a pair of phase place pawl 54 of the first chuck assembly 50 is advanced to the second chuck assembly 60 sides.Thus, a pair of phase place pawl 54 is moved to the side of the 4th connecting rod neck P4.
Then, in step S4, supply with working oil by the second hydraulic cylinder 103b to rotating mechanism 100, a pair of phase place pawl 54 is rotated to the inside.Thus, determine the phase place of material crankshaft W by the both sides butt that makes a pair of phase place pawl 54 and the 4th connecting rod neck P4.
Then, in step S5, the rear flange section 210 of three-jaw (not shown) the clamping material crankshaft W by the second chuck assembly 60.
Then, in step S6, the front axle 220 of the three-jaw 53 clamping material crankshaft W by the first chuck assembly 50.
Then, in step S7, supply with working oil by the first hydraulic cylinder 103a to rotating mechanism 100, a pair of phase place pawl 54 is rotated laterally.Thus, by a pair of phase place pawl 54 is determined from the phase place that the 4th connecting rod neck P4 leaves to remove material crankshaft W.
Then, in step S8, by the oil of recovery operation from the hydraulic cylinder 102 of travel mechanism 100, make a pair of phase place pawl 54 of the first chuck assembly 50 laggard.Thus, a pair of phase place pawl 54 is moved back to main body 51 rear flank.
Then, in step S9, by first and second milling cutter 20,21 cutting material crankshaft W.
[effect and effect]
(1) in crankshaft miling machine 1, a pair of phase place pawl 54 is installed on main body 51, and freely mobile on the axial p parallel with axle P.
Therefore, when utilizing first and second milling cutter 20,21 cutting material crankshaft W, a pair of phase place pawl 54 is moved back to main body 51 rear flank.Therefore, can cut among the material crankshaft W as the 4th connecting rod neck P4 of phase reference and as the material crankshaft W between the rear flange section 210 of clamping part, that is, and the end of material crankshaft W.
(2) when observing from axial p, a pair of phase place pawl 54 is disposed at the inboard of the periphery of main body 51.
Therefore, compare with the situation that a pair of phase place pawl 54 is disposed at the outside of main body 51, can make the first chuck assembly 50 compactnesses.
(3) when observing from q radially, the front end of a pair of phase place pawl 54 than the front end of three-jaw 53 more near main body 51.
Therefore, compare with the situation that the front end of a pair of phase place pawl 54 is more forwards given prominence to than the front end of three-jaw 53, can make the first chuck assembly 50 compactnesses.
(4) a pair of rod member 55 of a pair of phase place pawl 54 of supporting can be centered by axle center separately opposite direction rotation towards each other.
Therefore, utilize a pair of phase place pawl 54 to come the phase place of march axis blank W to determine from the sandwich of the 4th connecting rod neck P4.Therefore, can successfully determine the center of the 4th connecting rod neck P4, thus can precision well the phase place of march axis blank W determine.
(5) first chuck assemblies 50 are fixed on the first workbench 30.
Therefore, different from the situation that makes 50 rotations of the first chuck assembly, because do not need to make rotating mechanism 100 and travel mechanism's 200 rotations, so can make the designs simplification of the first workbench 30 inside.
[other embodiment]
The present invention is not limited to above-mentioned embodiment, in not departing from the scope of the present invention, can carry out various distortion or correction.
(A) in the above-described embodiment, the first chuck assembly 50 is fixed on the first workbench 30, but the present invention is not limited to this.The first chuck assembly 50 also can be with respect to 30 rotations of the first workbench centered by axle P.In this case, as long as make rotating mechanism 100 and travel mechanism 200 with the internal rotating of the first chuck assembly 50 at the first workbench 30.
(B) in the above-described embodiment, as an example of rod-shaped workpiece, W is illustrated to material crankshaft.But the present invention is not limited to this.Rod-shaped workpiece is so long as need to carry out the blank that phase place determines and get final product.
(C) in the above-described embodiment, the first chuck assembly 50 has three-jaw 53 as an example of a plurality of chuck jaws, but the present invention is not limited to this.The first chuck assembly 50 also can have the chuck jaw more than 2 or 4.
(D) in the above-described embodiment, a pair of phase place pawl 54 comes the phase place of march axis blank W to determine to reach the releasing that phase place is determined by opposite towards each other direction rotation, but the present invention is not limited to this.For example, can adopt only to make the second phase place pawl 54b can be with respect to the structure of the first phase place pawl 54a rotation, also can adopt the front end of the first phase place pawl 54a can be to the flexible structure of the second phase place pawl 54b side.Even in these cases, by make a pair of phase place pawl 54 vertically p move, also can cut the end of material crankshaft W.
Description of reference numerals
1 crankshaft miling machine
10 bases
20,21 lathe tool milling cutters
30 first workbench
31 first fixed parts
32 first mechanism incorporating sections
40 second workbench
41 second fixed parts
42 second mechanism incorporating sections
50 first chuck assemblies
51 main bodys
52 is top
53 three-jaws
54 a pair of phase place pawls (the first phase place pawl 54a and the second phase place pawl 54b)
55 pair of links rod members (first connecting rod rod member 55a and second connecting rod rod member 55b)
60 second chuck assemblies
100 revolution rotating mechanisms
First and second splined shaft of 101a, 101b
First and second gear of 102a, 102b
First and second hydraulic cylinder of 103a, 103b
200 travel mechanisms
201 linking parts
202 hydraulic cylinders
P4 the 4th connecting rod neck
Claims (6)
1. chuck assembly, it is used for clamping along the workpiece of regulation axle configuration, it is characterized in that having:
Main body;
A plurality of chuck jaws, it is installed on the described main body, and along radially freely moving centered by described regulation axle;
A pair of phase place pawl, it is installed on the described main body, and along axially freely move parallel with described regulation axle.
2. chuck assembly as claimed in claim 1 is characterized in that,
From described end on observation the time, described a pair of phase place pawl is configured in the inboard of described main body periphery.
3. chuck assembly as claimed in claim 1 or 2 is characterized in that,
From described when radially observing, the front end of described described a pair of phase place pawl on axially than the front end of described described a plurality of chuck jaws on axially more near described main body.
4. such as each described chuck assembly in the claims 1 to 3, it is characterized in that,
Have and insert described main body and along a pair of rod member of described axial arrangement,
From described end on observation the time, described a pair of rod member can be centered by axle center separately opposite direction rotation towards each other,
Described a pair of phase place pawl is supported on the front end of described a pair of rod member.
5. topping machanism is characterized in that having:
Chuck assembly as claimed in claim 1;
Support the workbench of described chuck assembly;
Be used for cutting the cutting tool of described workpiece.
6. chuck assembly as claimed in claim 5 is characterized in that,
Described chuck assembly is fixed on the described workbench.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-081195 | 2012-03-30 | ||
| JP2012081195A JP5956221B2 (en) | 2012-03-30 | 2012-03-30 | Chuck device and cutting device |
| JPJP2012-081195 | 2012-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103357911A true CN103357911A (en) | 2013-10-23 |
| CN103357911B CN103357911B (en) | 2017-04-12 |
Family
ID=49360645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089313.4A Active CN103357911B (en) | 2012-03-30 | 2013-03-20 | Chuck device and cutting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5956221B2 (en) |
| CN (1) | CN103357911B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6292890B2 (en) * | 2014-01-15 | 2018-03-14 | コマツＮｔｃ株式会社 | Chuck device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4843976Y1 (en) * | 1970-04-15 | 1973-12-18 | ||
| EP0250724A2 (en) * | 1986-07-04 | 1988-01-07 | Günter Horst Röhm | Concentric chuck for turning-machines |
| JPH02292148A (en) * | 1989-05-07 | 1990-12-03 | Toyoda Mach Works Ltd | Phase dividing device in crank pin grinder |
| WO1992008562A1 (en) * | 1990-11-15 | 1992-05-29 | Kabushiki Kaisha Komatsu Seisakusho | Chuck device |
| JPH10118822A (en) * | 1996-10-17 | 1998-05-12 | Komatsu Koki Kk | Machining method of crankshaft |
| JP2001030135A (en) * | 1999-07-21 | 2001-02-06 | Honda Motor Co Ltd | Positioning device for crankshaft in machining machine |
| JP2001071225A (en) * | 1999-09-02 | 2001-03-21 | Nippei Toyama Corp | Workpiece clamp device for machine tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3844343C2 (en) * | 1988-12-30 | 1998-06-04 | Roehm Guenter H | Power-operated jaw chuck for workpieces to be eccentrically clamped, especially crankshafts |
| JPH03130304U (en) * | 1990-04-16 | 1991-12-27 |
-
2012
- 2012-03-30 JP JP2012081195A patent/JP5956221B2/en active Active
-
2013
- 2013-03-20 CN CN201310089313.4A patent/CN103357911B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4843976Y1 (en) * | 1970-04-15 | 1973-12-18 | ||
| EP0250724A2 (en) * | 1986-07-04 | 1988-01-07 | Günter Horst Röhm | Concentric chuck for turning-machines |
| JPH02292148A (en) * | 1989-05-07 | 1990-12-03 | Toyoda Mach Works Ltd | Phase dividing device in crank pin grinder |
| WO1992008562A1 (en) * | 1990-11-15 | 1992-05-29 | Kabushiki Kaisha Komatsu Seisakusho | Chuck device |
| JPH10118822A (en) * | 1996-10-17 | 1998-05-12 | Komatsu Koki Kk | Machining method of crankshaft |
| JP2001030135A (en) * | 1999-07-21 | 2001-02-06 | Honda Motor Co Ltd | Positioning device for crankshaft in machining machine |
| JP2001071225A (en) * | 1999-09-02 | 2001-03-21 | Nippei Toyama Corp | Workpiece clamp device for machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5956221B2 (en) | 2016-07-27 |
| JP2013208690A (en) | 2013-10-10 |
| CN103357911B (en) | 2017-04-12 |
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