CN100398235C - Bar processing machine - Google Patents
Bar processing machine Download PDFInfo
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- CN100398235C CN100398235C CNB2006100036367A CN200610003636A CN100398235C CN 100398235 C CN100398235 C CN 100398235C CN B2006100036367 A CNB2006100036367 A CN B2006100036367A CN 200610003636 A CN200610003636 A CN 200610003636A CN 100398235 C CN100398235 C CN 100398235C
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- bar
- stationary pipes
- main shaft
- processing machine
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Abstract
The present invention realizes bar material processing with higher accuracy by reducing vibration during bar material processing. In this processor, a fixed pipe extended in a main shaft pipe to receive a bar material to be processed is provided, and a feed arrow of a bar material feeder is received in the pipe to feed the bar material. When the feed arrow is located in the fixed pipe, a center axis of the bar material is located on a center axis of the main shaft. The center axis of the fixed pipe is arranged to be deviated to an upper side from the center axis of the main shaft so that a lower surface of the feed arrow may be moved along a bottom surface at the inside of the fixed pipe.
Description
Technical field
The present invention relates to bar processing machine that the bar of being given by the supply part of bar conveying machine is processed, say in further detail, relate to the bar processing machine of the stationary pipes with bar that acceptance will process of in main shaft, extending.
Background technology
In present bar processing machine, shown in for example special public clear 53-22716 communique, has the form that is provided with the stationary pipes (distance member 3) of accepting bar at the main shaft (tubular spindle 2) of the main shaft frame that is used for making the bar rotation that to process.The both ends of the described stationary pipes of above-mentioned communique (distance member 3) are supported on parts of bearings etc.
In present bar processing machine, the central axis of stationary pipes is consistent with the central axis (the processing axis of bar) of the main shaft of bar processing machine, and the central axis of supply part (sending り to vow) is also consistent with above-mentioned central axis.The external diameter of stationary pipes is smaller than the internal diameter of main shaft, is formed with the gap between it.Bar is entered in the stationary pipes and downstream side give the external diameter of the supply part that send smaller than the internal diameter of stationary pipes, between it, be formed with the gap.Because supply part integral body is longer, so become the state of deflection in stationary pipes.
In the bar processing of bar processing machine, by main shaft bar is rotated at a high speed, make bar vibration (れ shakes) by this rotation, the supply part of controlling bar also vibrates.Whole supply part by oval bar construction collides to stationary pipes easily owing to become the state of deflection.Like this, supply part collides on the stationary pipes, and then stationary pipes is also vibrated.This situation becomes the reason of the machining accuracy reduction that makes bar.
Patent documentation 1: special public clear 53-22716 communique
Summary of the invention
Therefore, the objective of the invention is to, reduce the vibration in the bar processing, realize the bar processing that precision is higher.
For achieving the above object, bar processing machine of the present invention has the stationary pipes of the bar that the acceptance of extending will process in main shaft, the supply part of income bar conveying machine in this stationary pipes, to carry out being sent of bar, it is characterized in that, the central axis of described stationary pipes is offset upward and disposes with respect to the central axis of main shaft, to be positioned at stationary pipes at described supply part when inner, the central axis of bar is positioned on the central axis of described main shaft, and the following inside bottom surface along stationary pipes of supply part move.According to the present invention the inside bottom surface supporting of pipe because whole supply part integral body by oval bar construction is fixed, so can reduce bar process in the bar vibration of rotating caused supply part.Thus, also can reduce the vibration of stationary pipes, process bar more accurately.
In embodiments of the present invention, the bar of the relative main shaft frame in an end of stationary pipes is given and is sent direction to be fixed on the upstream side part and the coverlet side bearing, and this stationary pipes is extended towards collet chuck and main shaft from the part that is supported.Thus, as situation about being supported by bearing, on this one side of problem of the bearing wear that the high speed rotation that does not have main shaft causes, present embodiment is favourable.At this moment, constitute by the central axis skew that makes stationary pipes as described above, supply part is prevented because the free-ended vibration of stationary pipes that the rotation of bar causes in the bar processing thus by the inside bottom surface supporting of stationary pipes.Because supply part owing to vibrate collides, then the free end of stationary pipes vibrates easily, so in the bar processing machine of the form of one-sided supporting stationary pipes, said structure is effective especially.
In addition, preferably in above-mentioned bar processing machine, supply with bar by following bar conveying machine, this bar conveying machine has supply part, it has feed portion main body and rotation is installed in the fingers that is used to control the bar rearward end of this feed portion main body downstream freely, and the external diameter of fingers is less than the external diameter of described feed portion main body.Thus, the inside bottom surface of the pipe supporting because feed portion main body is fixed, prevent because the vibration of the stationary pipes that the vibration of feed portion main body causes, the fingers of while rotation in bar processing and the inside bottom surface that does not contact stationary pipes by its bar of controlling, so can guarantee that bar rotates swimmingly, can process bar accurately.
According to the present invention, can reduce the vibration in the bar processing, realize the bar processing that precision is higher.
Description of drawings
Fig. 1 is the schematic diagram of system that contains the bar processing machine of present embodiment and be used for supplying with to this bar processing machine the bar conveying machine of bar, dissects expression for understanding its internal structure;
Fig. 2 is near the enlarged drawing of downstream end portion of the stationary pipes of bar processing machine;
Fig. 3 is near the enlarged drawing of upstream end portion of the stationary pipes of bar processing machine;
Fig. 4 is the figure of the central axis position relation of expression stationary pipes, feed portion main body and main shaft.
Symbol description
2 bar processing machines
4 bar conveying machines
10 main shafts
14 feed portion main bodys
16 fingers
18 collet chucks (コ レ Star ト チ ヤ Star Network)
22 stationary pipes
The central axis of O-O bar
The central axis of O-O main shaft
The central axis of O-O ' stationary pipes
The specific embodiment
Below, with reference to Fig. 1～Fig. 4 embodiments of the present invention are described.
Fig. 1 is the schematic diagram of system that contains the bar processing machine of present embodiment and be used for supplying with to this bar processing machine the bar conveying machine of bar.Dissect expression in order to understand internal structure.Fig. 2 is near the enlarged drawing of downstream end portion of the stationary pipes of bar processing machine.Fig. 3 is near the enlarged drawing of upstream end portion of the stationary pipes of bar processing machine.Fig. 4 is the figure of the central axis position relation of expression stationary pipes, feed portion main body and main shaft.
Fig. 1 represents the bar processing machine 2 of embodiment of the present invention and is used for supplying with to this bar processing machine 2 bar conveying machine 4 of bar.Bar conveying machine 4 is configured in bar with respect to bar processing machine 2 and gives the upstream side that send direction.Bar processing machine 2 can be the main axle moving type, also can be the main shaft fixed.
Bar conveying machine 4 has the material shelf (not shown) that keeps a plurality of bars, along the guide rail 6 and the supply part (sending り to vow) 12 of the straight extension of central axis O-O (bar processing axis) of main shaft 10, this supply part 12 moves and enters into the main shaft 10 of the main shaft frame 8 of bar processing machine 2 along guide rail 6 downstream, is used for giving to bar processing machine 2 sending bar.Give feed portion main body 14 and rotation that supply part 12 has by oval bar construction are installed in the fingers 16 that is used to control the bar rearward end of these feed portion main body 14 downstream freely.The external diameter of feed portion main body 14 is bigger than the external diameter of fingers 16.
On the other hand, bar processing machine 2 comprises: main shaft frame 8; Collet chuck 18 (コ レ Star ト チ ヤ Star Network), the end of downstream side that it is arranged on main shaft frame 8 is used to control the leading section of the bar that will process; Cutter head (not shown), the downstream that it is arranged on collet chuck 18 is used for bar is processed; Main shaft 10, it makes collet chuck 18 rotations and makes the bar rotation from the extension of collet chuck 18 upstream direction; Stationary pipes 22.Stationary pipes 22, the bar of one end 28 relative main shaft framves 8 are given and to be sent direction to be fixed on the upstream side part 24 and the coverlet side bearing, extend to the main shaft 10 to collet chuck 18 from the part of this supporting.In the present embodiment, near the downstream 26 of stationary pipes 22 position collet chuck 18 upstream extremities stops.Give when sending bar to bar processing machine 2, the supply part 12 of bar conveying machine 4 enters into stationary pipes 22, with bar downstream side supply with, can not be up to becoming to its length of further processing.In addition, the inside bottom surface of the height of the inside bottom surface of the guide rail 6 of bar conveying machine 4 and stationary pipes 22 is contour.
The cutter head of bar processing machine 2 is to processing for the bar that send on coaxial with the central axis O-O of main shaft 10.Because control the rearward end of bar, so the external diameter of fingers 16 is bigger than the external diameter of bar, as described above, the external diameter of feed portion main body 14 is bigger than the external diameter of fingers 16.The central axis O-O of the central axis O-O of bar, feed portion main body 14 and the central axis O-O of fingers 16 all be positioned at coaxial on.As shown in Figure 4, send bar and when in stationary pipes 22, having supply part 12 in order to give, the central axis O-O ' of stationary pipes 22 is with respect to the central axis O-O of main shaft 10 offset configuration upward, the central axis O-O of bar is positioned on the central axis O-O of main shaft 10, and the following inside bottom surface along stationary pipes 22 of feed portion main body 14 moves.Say that in further detail the central axis O-O ' of stationary pipes 22 is offset following amount upward with respect to the central axis O-O of main shaft 10, that is, the cross section is the radius and the poor d of cross section for the internal diameter of the stationary pipes 22 of circle of circular feed portion main body 14.
The bar processing machine 2 following actions of present embodiment.
The rearward end of the bar that takes out and supply with to guide rail 6 from the material dividing plate of bar conveying machine 4 is fed the fingers 16 of parts 12 and controls.Supply part 12 moves along guide rail 6 downstream, bar is inserted in the stationary pipes 22 of bar processing machine 2.The leading section of bar is controlled by collet chuck 18, utilizes cutter head that parts are processed.During the process finishing of each parts, this part is just cut by cutter head, and bar is forwards given by supply part 12.If bar shortens, then supply part 12 enters into stationary pipes 22 and the further downstream of bar is sent.Because the inside bottom surface height of guide rail 6 is contour with the inside bottom surface of stationary pipes 22, thus the following inside bottom surface slip of feed portion main body 14 along guide rail 6, and be advanced further along the inside bottom surface of contour stationary pipes 22.
Be arranged at supply part 12 under the state of stationary pipes 22, only the inside bottom surface of the following and stationary pipes 22 of feed portion main body 14 contacts.Because the external diameter of fingers 16 is littler than feed portion main body 14, the external diameter of bar is also littler than the external diameter of fingers 16, so fingers 16 does not contact with stationary pipes 22 with bar.
According to present embodiment, because by the inside bottom surface supporting of feed portion main body 14 integral body of oval bar construction by stationary pipes 22, bar can prevent the vibration of stationary pipes 22 frees degree thus owing to the vibration that rotation causes in the bar processing so reduce, and realizes the high accuracy processing of bar.
In addition, because the external diameter of fingers 16 is littler than feed portion main body 14,, do not hinder the rotation of bar so fingers 16 does not contact with stationary pipes 22.Thus, can further realize the Precision Machining of bar.
The invention is not restricted to above-mentioned embodiment, can carry out various changes in the invention scope of claim record, these change obviously within the scope of the present invention.
For example, in the bar processing machine 2 of above-mentioned embodiment, stationary pipes 22 coverlet side bearings are on main shaft frame 8, but stationary pipes 22 by the bar processing machine of the form of two supports in, as mentioned above, the central axis O-O ' that also can make stationary pipes 22 is offset upward with respect to the central axis O-O of main shaft 10.
In addition, fingers 16 be in order to rotate freely, and do not contact with the inwall of stationary pipes 22 to well, it is desirable to, and the external diameter of fingers 16 is littler than the external diameter of feed portion main body 14, but the external diameter that also can make fingers 16 is identical with the external diameter of feed portion main body 14.
Claims (3)
1. bar processing machine, it has the stationary pipes of the bar that the acceptance of extending will process in the main shaft of main shaft frame, the supply part of income bar conveying machine in this stationary pipes, to carry out being sent of bar, it is characterized in that, the central axis of described stationary pipes is offset upward and disposes with respect to the central axis of described main shaft, to be positioned at stationary pipes at described supply part when inner, the central axis of bar is positioned on the central axis of described main shaft, and the following inside bottom surface along stationary pipes of described supply part move.
2. bar processing machine as claimed in claim 1, it is characterized in that, the bar of the relative main shaft frame in one end of described stationary pipes is given and is sent direction to be fixed on the upstream side part and the coverlet side bearing, this stationary pipes is extended main shaft towards collet chuck from the part that is supported, and described collet chuck is arranged on the end of downstream side of described main shaft frame.
3. the system of bar processing machine and bar conveying machine, it is characterized in that, comprise claim 1 or 2 described bar processing machines and supply with the bar conveying machine of bar to this bar processing machine, described bar conveying machine has feed portion main body and rotation is installed in the fingers that is used to control the bar rearward end of this feed portion main body downstream freely, and the external diameter of described fingers is less than the external diameter of described feed portion main body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15273/05 | 2005-01-24 | ||
| JP2005015273A JP4425150B2 (en) | 2005-01-24 | 2005-01-24 | Bar processing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1810423A CN1810423A (en) | 2006-08-02 |
| CN100398235C true CN100398235C (en) | 2008-07-02 |
Family
ID=36843618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100036367A Active CN100398235C (en) | 2005-01-24 | 2006-01-09 | Bar processing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4425150B2 (en) |
| CN (1) | CN100398235C (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170603A (en) * | 1992-12-01 | 1994-06-21 | Sameca Sa | Guide bar pipe for automatic lathe |
| JPH11320205A (en) * | 1998-05-15 | 1999-11-24 | Alps Tool:Kk | Bar feeder |
| JP2000326103A (en) * | 1999-05-17 | 2000-11-28 | Alps Tool Co Ltd | Feed pipe of bar feeder |
| CN1348400A (en) * | 1999-04-28 | 2002-05-08 | 稻叶哲夫 | Bar material supporting device for automatic lathe |
| JP2003062702A (en) * | 2001-08-20 | 2003-03-05 | Ikura Seiki Seisakusho Co Ltd | Bar-stock feeder |
| US20030101855A1 (en) * | 2001-11-30 | 2003-06-05 | J.F. Berns Co., Inc. | Machine tool spindle liners and methods for making same |
| CN2645820Y (en) * | 2003-06-11 | 2004-10-06 | 中义机械股份有限公司 | Automatic steel bar feeding machine with clamping means |
-
2005
- 2005-01-24 JP JP2005015273A patent/JP4425150B2/en active Active
-
2006
- 2006-01-09 CN CNB2006100036367A patent/CN100398235C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170603A (en) * | 1992-12-01 | 1994-06-21 | Sameca Sa | Guide bar pipe for automatic lathe |
| JPH11320205A (en) * | 1998-05-15 | 1999-11-24 | Alps Tool:Kk | Bar feeder |
| CN1348400A (en) * | 1999-04-28 | 2002-05-08 | 稻叶哲夫 | Bar material supporting device for automatic lathe |
| JP2000326103A (en) * | 1999-05-17 | 2000-11-28 | Alps Tool Co Ltd | Feed pipe of bar feeder |
| JP2003062702A (en) * | 2001-08-20 | 2003-03-05 | Ikura Seiki Seisakusho Co Ltd | Bar-stock feeder |
| US20030101855A1 (en) * | 2001-11-30 | 2003-06-05 | J.F. Berns Co., Inc. | Machine tool spindle liners and methods for making same |
| CN2645820Y (en) * | 2003-06-11 | 2004-10-06 | 中义机械股份有限公司 | Automatic steel bar feeding machine with clamping means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1810423A (en) | 2006-08-02 |
| JP4425150B2 (en) | 2010-03-03 |
| JP2006198750A (en) | 2006-08-03 |
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