CN200967147Y - Tool-change retaining mechanism for highly-stable horizontal machining center - Google Patents
Tool-change retaining mechanism for highly-stable horizontal machining center Download PDFInfo
- Publication number
- CN200967147Y CN200967147Y CN 200620094180 CN200620094180U CN200967147Y CN 200967147 Y CN200967147 Y CN 200967147Y CN 200620094180 CN200620094180 CN 200620094180 CN 200620094180 U CN200620094180 U CN 200620094180U CN 200967147 Y CN200967147 Y CN 200967147Y
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- CN
- China
- Prior art keywords
- cutter
- slide block
- retaining mechanism
- adjusting lever
- principal axis
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- Expired - Lifetime
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Abstract
The utility model discloses a cutter changing locking mechanism for high stability horizontal processing center, which comprises a principal axis (1), a cutter rest (12) connected to the principal axis (1), a locking spring (6) and a slide block (15) positioned inside the cutter rest (12) and an adjustment rod (4) positioned at the two sides of the principal axis (1). One end of the adjustment rod (4) is positioned on a rotary disc (2) of the principal axis (1) and another end is provided with a positioning piece (7); a horizontal spring (5) is suited to the adjustment rod (4); one end of the horizontal spring (5) is propped to a shell (9) of the cutter rest (12) and another end is positioned in the slide sleeve (8); a concave groove (3) that matches the parameter of the slide block (15) is positioned at the external side of the slide sleeve (8). The utility model is able to balance the eccentric torque and ensures more accurate cutter positioning; prevent the deformation of the horizontal spring and give full play to the functions; assure excellent locking effect; reduce the impact on the horizontal spring due to the relative movement of the slide sleeve and the slide block during the rotation of the cutter rest, and ensure more stable cutter locking status.
Description
Technical field:
The utility model relates to the cutter retaining mechanism (being the tool changing retaining mechanism) in a kind of numerical control machining center tool changing device, especially a kind of high stability horizontal Machining centers tool changing retaining mechanism.
Background technology:
The tool arm of horizontal digital-control machining center tool changing device (ATC) is long, and is subjected to gravity effect bigger, and is therefore, higher to the stability requirement of horizontal Machining centers tool changing retaining mechanism.Existing horizontal Machining centers tool changing retaining mechanism all is provided with knife rest and places the middle transversal driving mechanism of knife rest, the slide block that is provided with locking spring in the knife rest and joins with locking spring, slip front is provided with the slide bar that is supported by crossed strip, and the contact-making surface of slide bar and slide block has certain angle of inclination.Rotating turret during tool changing, in the blade holder turns process, at first knife rest reach, crossed strip outwards ejects slide bar, and slide bar props up slide block, and cutter is locked; When blade holder turns puts in place when needing tool changing, the drive mechanism knife rest moves backward and slide bar is outwards moved, and slide block then slides along the inclined plane that is provided with on the slide bar, and loosening cutter is finished tool changing.Crossed strip in the above-mentioned this retaining mechanism can produce torsional deformation under the gravity effect, seriously undermine its clamping force, cutter can further strengthen the impulsive force in the exchanging knives process under the gravity effect simultaneously, thereby be easy to produce crossed strip coupling mechanism force deficiency, slide bar outwards slides, and causes cutter to come off.And the knife rest length of horizontal Machining centers is longer than the knife rest of vertical machining centre, because gravity effect meeting produces bigger eccentric moment, existing retaining mechanism can't this eccentric moment of balance when horizontal positioned for cutter, thereby influences the positional precision of cutter.
Summary of the invention:
The utility model is at the deficiencies in the prior art, but a kind of balance eccentric moment is provided, and moves accurate high stability horizontal Machining centers tool changing retaining mechanism.
Technical solution of the present utility model is: a kind of high stability horizontal Machining centers tool changing retaining mechanism, main shaft 1 is arranged, be connected to knife rest 12 with main shaft 1, knife rest 12 is built-in with locking spring 6 and slide block 15, it is characterized in that: be provided with adjusting lever 4 in the both sides of main shaft 1, one end of adjusting lever 4 is fixed on the rotating disk 2 on the main shaft 1, the other end of adjusting lever 4 is provided with spacer 7, be with crossed strip 5 on the adjusting lever 4, one end of crossed strip 5 is against on the shell 9 of knife rest 12, the other end of crossed strip 5 places in the sliding sleeve 8, and the outside of sliding sleeve 8 is provided with the groove 3 that is complementary with slide block 15 sizes.
Described adjusting lever 4 is provided with and adjusts screw 10 being provided with spacer 7 ends.
The set adjusting lever of the utility model can play the effect of balance eccentric moment, makes the cutter positioning more accurate; Adjusting lever can also prevent the crossed strip distortion simultaneously, and it is played one's part to the full, and locking effect is good.And adopt sliding sleeve to replace slide bar in the past, reduced relatively moving of sliding sleeve and slide block in the blade holder turns process, can make tight cutter state more stable the influence of crossed strip coupling mechanism force.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the partial structurtes schematic diagram of the utility model under tight cutter state.
Fig. 3 is the partial structurtes schematic diagram of the utility model under loose cutter state.
The specific embodiment:
Below in conjunction with the description of drawings specific embodiment of the present utility model.As Fig. 1,2, shown in 3, a kind of high stability horizontal Machining centers tool changing retaining mechanism, main shaft 1 is arranged, be connected to knife rest 12 with main shaft 1, knife rest 12 is built-in with locking spring 6 and slide block 15, it is characterized in that: be provided with adjusting lever 4 in the both sides of main shaft 1, one end of adjusting lever 4 is fixed on the rotating disk 2 on the main shaft 1, rotating disk 2 is to join with the axle sleeve 14 that is arranged on the main shaft 1 by bearing 11 and jump ring 13, the other end of adjusting lever 4 is provided with spacer 7, is with crossed strip 5 on the adjusting lever 4, and an end of crossed strip 5 is against on the shell 9 of knife rest 12, the other end of crossed strip 5 places in the sliding sleeve 8, and the outside of sliding sleeve 8 is provided with the groove 3 that is complementary with slide block 15 sizes.Adjusting lever 4 preferably is provided with and adjusts screw 10 being provided with spacer 7 ends, adjusts the position that screw 10 is used to adjust spacer 7, and then adjusts the relative motion position of groove 3 and slide block 15, making the action that moves more accurate.
The course of work:
Main shaft 1 drives knife rest 12 to the previous crops feed motion during tool changing, and sliding sleeve 8 travels forward thereupon, and sliding sleeve 8 moves to spacer 7 positions to be stopped, then slide block 15 relative motions are to the outside of groove 3, this moment, crossed strip 5 was in contraction state, and it compresses sliding sleeve 8, makes cutter be in locking state; Motion backward behind the knife rest Rotate 180 °, sliding sleeve 8 breaks away from spacers 7, and crossed strip 5 ejects sliding sleeve 8 forward, makes groove 3 relative motions to slide block 15 places, and slide block 15 snaps in the groove 3, finishes loose cutter and moves tool changing then.
Claims (2)
1. high stability horizontal Machining centers tool changing retaining mechanism, main shaft (1) is arranged, be connected to knife rest (12) with main shaft (1), knife rest (12) is built-in with locking spring (6) and slide block (15), it is characterized in that: be provided with adjusting lever (4) in the both sides of main shaft (1), one end of adjusting lever (4) is fixed on the rotating disk (2) on the main shaft (1), the other end of adjusting lever (4) is provided with spacer (7), be with crossed strip (5) on the adjusting lever (4), one end of crossed strip (5) is against on the shell (9) of knife rest (12), the other end of crossed strip (5) places in the sliding sleeve (8), and the outside of sliding sleeve (8) is provided with the groove (3) that is complementary with slide block (15) size.
2. high stability horizontal Machining centers tool changing retaining mechanism according to claim 1 is characterized in that: described adjusting lever (4) is provided with and adjusts screw (10) being provided with spacer (7) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094180 CN200967147Y (en) | 2006-11-20 | 2006-11-20 | Tool-change retaining mechanism for highly-stable horizontal machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094180 CN200967147Y (en) | 2006-11-20 | 2006-11-20 | Tool-change retaining mechanism for highly-stable horizontal machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200967147Y true CN200967147Y (en) | 2007-10-31 |
Family
ID=38966719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094180 Expired - Lifetime CN200967147Y (en) | 2006-11-20 | 2006-11-20 | Tool-change retaining mechanism for highly-stable horizontal machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200967147Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009182A (en) * | 2017-05-15 | 2017-08-04 | 广东原点机床科技有限公司 | A kind of tool change arm forced locking device |
-
2006
- 2006-11-20 CN CN 200620094180 patent/CN200967147Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009182A (en) * | 2017-05-15 | 2017-08-04 | 广东原点机床科技有限公司 | A kind of tool change arm forced locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071031 |
|
| EXPY | Termination of patent right or utility model |