CN102079051A - Cam connecting rod type synchronous cutter loosening mechanism - Google Patents
Cam connecting rod type synchronous cutter loosening mechanism Download PDFInfo
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- CN102079051A CN102079051A CN 201010586122 CN201010586122A CN102079051A CN 102079051 A CN102079051 A CN 102079051A CN 201010586122 CN201010586122 CN 201010586122 CN 201010586122 A CN201010586122 A CN 201010586122A CN 102079051 A CN102079051 A CN 102079051A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000005242 forging Methods 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 11
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The invention discloses a cam connecting rod type synchronous cutter loosening mechanism which mainly comprises a spindle box (24) and a spindle (23) which is arranged in the spindle box (24) and provided with a cutter pulling rod. The mechanism is characterized in that the top of the spindle box (24) is provided with a cam transmission mechanism; a connecting rod transmission mechanism for pressing the cutter pulling rod of the spindle (23) is arranged in the spindle box (24); and the connecting rod transmission mechanism is connected with the cam transmission mechanism through a telescopic transmission mechanism arranged in the spindle box (24). According to the invention, as purely mechanical transmission is adopted without needing intermediate links such as air cylinder, oil cylinder and the like or intermediate detection links, any fault can be completely prevented in the cutter loosening process almost for sure as long as the debugging is appropriate, with the exceptions of quality problem of the parts; and the working stability of the cam connecting rod type synchronous cutter loosening mechanism is very reliable.
Description
Technical field
The present invention relates to a kind of vertical machining centre device for loosing knife, specifically be meant the synchronous cutter-removing mechanism of a kind of cam link formula.
Background technology
The loose broaching tool action of vertical machining centre main shaft is a requisite process in the machine tooling, at present the machining center cutter-removing mechanism power source and the tool magazine ATC power source of Digit Control Machine Tool be separated from each other, independent operating separately.Because the main shaft cutter-removing mechanism generally all adopts cylinder pine cutter, oil cylinder pine cutter or gas and oil in conjunction with these three kinds of forms of loose cutter, therefore when matching with tool magazine ATC power source, these main shaft cutter-removing mechanism power sources carry out loose cutter when moving, must have between the two strictness accurately the logic movement relation (be that tool magazine ATC must be in when grabbing cutter position, cutter-removing mechanism could loose cutter; After the cutter-removing mechanism motion put in place, tool magazine ATC could carry out the tool changing action).In order to ensure accurate logical relation between the two, traditional cutter-removing mechanism power source all is after being aggregated into the CNC system and judging and calculates according to the operating position information that earlier the plurality of detection switch is collected, and matches with tool magazine ATC power source and realizes that loose cutter to main shaft moves.
Because the loose cutter time of cutter-removing mechanism has directly determined the tool changing efficient of whole Digit Control Machine Tool, and in these present three kinds of cutter-removing mechanisms with the cylinder pine cutter time for the shortest, generally between 1～3 second, but the loose cutter demand when its loose cutter time still can not be satisfied the Digit Control Machine Tool high-speed cruising, its loose cutter efficient is still very on the low side; Simultaneously,, and just can not use, therefore can not satisfy the demand of direct connection main axle machine tool for non-bel-drivenn direct connection main shaft owing to this cylinder device for loosing knife mainly is used on the belt transmission main axle machine tool.
In addition, because these cutter-removing mechanisms carry out Song Daoshi and not only have more detection link cooperating with tool magazine ATC, and ought be wherein any one detect link and break down and all can cause loose cutter process to stop, even also can cause whole machining center to damage, and also there are oil leaking pollution main shaft belt in these cylinder cutter-removing mechanisms and oil cylinder cutter-removing mechanism or with the danger of the lubricant grease dilution of main shaft bearing, therefore present Digit Control Machine Tool pine knife structure design is still very unreasonable, also deposits above these comparatively fatal defectives.
Summary of the invention
The objective of the invention is to overcome present vertical machining centre direct connection main axle machine tool pine cutter inefficiency, loose knife structure designs irrational defective, providing a kind of is provided the device for loosing knife of loose cutter power to carry out the action of loose cutter and can also be significantly improved its loose cutter efficient, avoid loose knife structure design unreasonable and meeting that exist causes loose cutter process to stop fully by the cam tool magazine, even damages the synchronous cutter-removing mechanism of a kind of cam link formula of whole machining center defective.
Purpose of the present invention is achieved through the following technical solutions: the synchronous cutter-removing mechanism of a kind of cam link formula, mainly by main spindle box and be arranged on inner and main shaft band broaching tool bar of this main spindle box and form, simultaneously be provided with cam drive and then be provided with the jointed gear unit that is used to press down the main spindle broach bar, and this jointed gear unit is connected with this cam drive by the telescopic transmission mechanism that is arranged at main spindle box inside in the inside of main spindle box at the top of this main spindle box.
Further, described cam drive also is provided with the big roller that energy freely rotate simultaneously by be fixed on cam bearer on the main spindle box, be arranged on this cam bearer and the camshaft that can rotate freely and fixedly connected with this camshaft and forge a knife cam and the depression bar that can rotate are formed thereupon on this depression bar.
The blind flange that described telescopic transmission mechanism is fixedly linked by the flange cover that is fixedly linked with main spindle box, with this flange cover, be arranged on the inner and axle that can slide up and down along its inwall of flange cover, be arranged on the inner spring that is used to hold this of this flange cover and the end other end that contacts with described big roller and pass blind flange and form with a bolt that is fixedly linked.
Described jointed gear unit is fixedly linked by articulated joint and axle by an end, the other end is connected with main spindle box and the connecting rod that can thereupon rotate by fixed axis, and is arranged on this connecting rod and forms with the contacted single pole bearing that is used to press down this broaching tool bar of described broaching tool bar.
In order better to realize the present invention, described depression bar is provided with the taper that a band connects the plane, be connected the axial plane that the plane is complementary with this and be processed with one on the surface of camshaft, described depression bar connects fit back and camshaft of plane and the axial plane of camshaft by taper and combines; The described cam of forging a knife then is fixedly linked by expansion set and this camshaft.
Be connected with depression bar and be used to drive the manual tool changing driven unit that this depression bar rotates in order to ensure under manual case, also carrying out loose cutter action, therefore on this main spindle box, also being provided with.
And described manual tool changing driven unit is by being arranged on manual tool changing cylinder on the main spindle box, being arranged on the cylinder joint on this manual tool changing cylinder expansion link, the guiding trestle that is connected with this manual tool changing cylinder body, being connected with this guiding trestle and the guide pad that can slide along its surface and form with the trundle that the cylinder joint is connected by the cylinder locking nut, and described guide pad also is connected with this cylinder joint.
The present invention compares than prior art, has the following advantages and beneficial effect:
(1) the present invention has substituted traditional cutter-removing mechanism need could carry out loose cutter action by the checkout gear of some complexity with tool magazine ATC power source to main shaft of numerical control machine tool process by pure mechanically operated mode, owing to adopt pure machine driving no longer to need intermediate link and intermediate detection links such as cylinder, oil cylinder, therefore as long as debugging is proper, can guarantee fully almost that except the part quality problem loose cutter process do not have any fault and take place, its working stability performance is very reliable.
(2) the present invention is by the precision-fit of cam drive and cam tool magazine, can not only guarantee that tool magazine ATC ensures when cutter puts in place that cutter-removing mechanism pine cutter puts in place grabbing, realized for zero loose cutter time, and can also realize that main shaft and tool magazine tool changing, loose cutter are synchronous, its tool change time only needs 0.9 second (cutter tool setting), and its tool change time is far smaller than traditional tool change time.
(3) because the present invention be pure frame for movement, only need in regular maintenance to check that each position securing member is whether loosening and get final product at motive position interpolation lubricating grease, need not to carry out big maintenance.Also can realize repairing even the situation of damage parts takes place, so its maintenance cost and fault rate be all lower by changing single-piece.
(4) the present invention adopts the grease lubrication mode to be lubricated, and does not therefore have the danger of leakage of oil and thin oil pollution, does not have the problem of oil leaking pollution.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Structural representation when Fig. 2 does not have the manual tool changing driven unit for the present invention.
Structural representation when Fig. 3 has the manual tool changing driven unit for the present invention.
Wherein, the Reference numeral title of being put down in writing in the accompanying drawing is respectively:
1-manual tool changing cylinder, 2-cylinder joint, 3-cylinder locking nut, 4-guide pad, 5-guiding trestle, 6-trundle, 7-depression bar, 8-cam bearer, the 9-cam of forging a knife, the 10-camshaft, 11-lock-screw, 12-taper, 13-big roller, the 14-bolt, 15-nut, 16-blind flange, 17-flange cover, the 18-spring, 19-axle, 20-articulated joint, 21-single pole bearing, the swing arm of forging a knife of 22-connecting rod, 23-main shaft, 24-main spindle box, 25-tool magazine.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, 2, main shaft 23 of the present invention is arranged on the inside of main spindle box 24, and also be provided with the broaching tool bar that is used to realize loose cutter action that can slide up and down along its inwall in the inside of this main shaft 23, promptly this main shaft 23 is fixed together with main spindle box 24, and the broaching tool bar then can slide up and down along the inwall of main shaft 23.Can realize strictness logic movement relation accurately with cutter-removing mechanism in order to ensure tool magazine ATC power source, therefore the present invention is provided with cam drive on the end face of main spindle box 24, the tool magazine that is connected with the tool magazine ATC power source swing arm 25 of forging a knife then contacts with this cam drive, with guarantee when this tool magazine is forged a knife swing arm 25 swings can drive shaft 23 the broaching tool bar press down and realize loose cutter action.
Described cam drive is made up of forge a knife cam 9 and the depression bar 7 that are fixed on cam bearer 8 on the main spindle box 24, pass this cam bearer 8 and the camshaft 10 that can rotate freely and are separately positioned on these camshaft 10 both sides.In order to ensure the firm performance that is connected between forge a knife cam 9 and depression bar 7 and the camshaft 10, on the surface of this camshaft 10, also be processed with an axial plane along its axis, the described cam 9 of forging a knife is fixedlyed connected with this camshaft 10 by expansion set, then also is provided with lock-screw 11 and is connected with this lock-screw 11 and has the taper 12 that is connected the plane on depression bar 7.The connection plane of taper 12 and the axial plane of camshaft 10 are complementary, and during connection, this connection plane and axial plane fit tightly, and prevent the function that relatively rotates between this depression bar 7 and the camshaft 10 thereby play.Simultaneously, can guarantee that by fastening this lock-screw 11 depression bar 7 can link together with camshaft 10.Correspondingly, also be provided with a big roller 13 at an end of this depression bar 7, and this big roller 13 can rotate freely along the rotating shaft of himself.
Telescopic transmission mechanism and jointed gear unit are the present invention's realize forging a knife critical components of cam 9 and broaching tool bar synchronization action.As shown in the figure shown in 2, this telescopic transmission mechanism integral body is positioned at the inside of main spindle box 24, it is mainly by the flange cover 17 that is fixedly linked with main spindle box 24, be fixed on this flange and overlap the blind flange 16 of 17 openends, be arranged on the axle 19 that flange cover 17 is inner and can slide up and down along its inwall, it is inner and be enclosed within this and be used to hold this spring of 19 18 on 19 to be arranged on this flange cover 17, and an end pass blind flange 16 and link to each other with axle 19 screw threads, the other end then with big roller 13 contacted bolts 14 compositions.Simultaneously, on this bolt 14, also be provided with axle 19 nuts that tighten together 15.
When not carrying out the action of loose cutter, be in the top of flange cover 17 in order to ensure axle 19, so this spring 18 needs to be in the state of holding under nature.When big roller 13 presses down this bolt 14, guarantee in compression spring 18, whole axle 19 just along the inwall of flange cover 17 to lower slider.
Described jointed gear unit is made up of connecting rod 22 and single pole bearing 21.During connection, an end of this connecting rod 22 is connected by the inwall of fixed axis with main spindle box 24, and can rotate around fixed axis; The other end of connecting rod 22 then is provided with articulated joint 20, and the lower end of described axle 19 then is movably connected with this articulated joint 20, to guarantee that axle 19 can drive this connecting rod 22 along the inwall of flange cover 17 when the lower slider and rotate to lower swing around fixed axis.Single pole bearing 21 is arranged on the connecting rod 22 and flexibly connects with the broaching tool bar of main shaft 23 inside, thereby guarantees that whole connecting rod 22 when lower swing, can press down this broaching tool bar by this single pole bearing 21, thereby realizes loose cutter function.
During use, described tool magazine swing arm 25 counter-clockwise swings (is example with structure shown in Figure 2) of forging a knife, thus stir the cam 9 of forging a knife, impel this cam 9 of forging a knife to drive camshafts 10 and also rotate counterclockwise.The depression bar 7 that is fixed on this camshaft 10 also rotates counterclockwise with this camshaft 10, thereby makes the big roller 13 that is arranged on the depression bar 7 push bolt 14 and axle 19 downwards; This axle 19 rotates around fixed axis by articulated joint 20 drivening rods 22, and then impels the single pole bearing 21 broaching tool bar of extruding main shaft 23 inside downwards, finally realizes the loose cutter function of main shaft.After finishing loose cutter and tool changing action, tool magazine forge a knife swing arm 25 clockwise swing return initial position and break away from the cam 9 of forging a knife, under the butterfly spring effect of main shaft 23 inside, realize tight cutter action, whole cutter-removing mechanism is got back to initial position under the thrust of spring 18, single pole bearing 21 breaks away from the main spindle broach bar, and at this moment the main shaft 23 of machining center just can rotate and process operation.
Considering needs to carry out manual loose cutter under some occasion, so present embodiment has also increased by a cover manual tool changing driven unit on the basis of embodiment 1.
As shown in Figure 3, this manual tool changing driven unit is made up of manual tool changing cylinder 1, cylinder joint 2, guiding trestle 5, guide pad 4 and trundle 6.Described manual tool changing cylinder 1 also is fixed on the main spindle box 24, and guiding trestle 5 then is fixed on the body of manual tool changing cylinder 1, and trundle 6 is connected with cylinder joint 2 by cylinder locking nut 3.Simultaneously, an end of guide pad 4 also is connected with cylinder joint 2, and the other end then is connected with guiding trestle 5.When starting manual tool changing cylinder 1, this guide pad 4 can be along the sliding up and down of guiding trestle 5, and then guarantee that this trundle 6 can contact with depression bar 7 accurately, and deviation can not occur.
During use, the expansion link of this manual tool changing cylinder 1 moves upward, and is rotated counterclockwise around camshaft 10 thereby drive depression bar 7 by this trundle 6, and presses down bolt 14 and axle 19 by the big roller that is arranged on the depression bar 7; This axle 19 rotates around fixed axis by articulated joint 20 drivening rods 22 again, and then impels the single pole bearing 21 broaching tool bar of extruding main shaft 23 inside downwards, finally realizes the loose cutter function of main shaft.
As mentioned above, just can well realize the present invention.
Claims (8)
1. synchronous cutter-removing mechanism of cam link formula, mainly by main spindle box (24) and be arranged on the inner and main shaft (23) band broaching tool bar of this main spindle box (24) and form, it is characterized in that: be provided with cam drive at the top of this main spindle box (24) and then be provided with the jointed gear unit that is used to press down main shaft (23) broaching tool bar, and this jointed gear unit is connected with this cam drive by being arranged at the inner telescopic transmission mechanism of main spindle box (24) in the inside of main spindle box (24).
2. the synchronous cutter-removing mechanism of a kind of cam link formula according to claim 1, it is characterized in that: described cam drive is by be fixed on cam bearer (8) on the main spindle box (24), be arranged on camshaft (10) that this cam bearer (8) goes up and can rotate freely and fixedly connected with this camshaft (10) and the cam of forging a knife (9) and the depression bar (7) that can rotate are formed thereupon, and the while also is provided with the big roller (13) that energy freely rotate on this depression bar (7).
3. the synchronous cutter-removing mechanism of a kind of cam link formula according to claim 2 is characterized in that: the blind flange (16) that described telescopic transmission mechanism is fixedly linked by the flange cover (17) that is fixedly linked with main spindle box (24), with this flange cover (17), be arranged on the inner and axle (19) that can slide up and down along its inwall of flange cover (17), be arranged on this flange cover (17) inside and be used to hold the spring (18) of this axle (19) and the end other end that contacts with described big roller (13) and pass the bolt (14) that blind flange (17) and spool (19) are fixedly linked and form.
4. the synchronous cutter-removing mechanism of a kind of cam link formula according to claim 3, it is characterized in that: described jointed gear unit is fixedly linked by articulated joint (20) and axle (19) by an end, the connecting rod (22) that the other end is connected with main spindle box (24) and can rotates thereupon by fixed axis, and be arranged on single pole bearing (21) composition that is used to press down main shaft (23) broaching tool bar on this connecting rod (22).
5. according to the synchronous cutter-removing mechanism of each described a kind of cam link formula of claim 2～4, it is characterized in that: described depression bar (7) is provided with the taper (12) that a band connects the plane, then be processed with one and be connected the axial plane that the plane is complementary with this on the surface of camshaft (10), connection plane and the axial plane of camshaft (10) the fit back of described depression bar (7) by taper (12) combines with camshaft (10).
6. the synchronous cutter-removing mechanism of a kind of cam link formula according to claim 5 is characterized in that: the described cam of forging a knife (9) is fixedly linked by expansion set and this camshaft (10).
7. the synchronous cutter-removing mechanism of a kind of cam link formula according to claim 4 is characterized in that: also be provided with on this main spindle box (24) and be connected with depression bar (7) and be used to drive the manual tool changing driven unit that this depression bar (7) rotates.
8. the synchronous cutter-removing mechanism of a kind of cam link formula according to claim 7, it is characterized in that: described manual tool changing driven unit is by the manual tool changing cylinder (1) that is arranged on the main spindle box (24), be arranged on the cylinder joint (2) on this manual tool changing cylinder (1) expansion link, the guiding trestle (5) that is connected with this manual tool changing cylinder (1) body, the guide pad (4) that is connected and can slides with this guiding trestle (5) along its surface, and the trundle (6) that is connected with cylinder joint (2) by cylinder locking nut (3) forms, and described guide pad (4) also is connected with this cylinder joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010586122A CN102079051B (en) | 2010-12-14 | 2010-12-14 | Cam connecting rod type synchronous cutter loosening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010586122A CN102079051B (en) | 2010-12-14 | 2010-12-14 | Cam connecting rod type synchronous cutter loosening mechanism |
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| Publication Number | Publication Date |
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| CN102079051A true CN102079051A (en) | 2011-06-01 |
| CN102079051B CN102079051B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010586122A Active CN102079051B (en) | 2010-12-14 | 2010-12-14 | Cam connecting rod type synchronous cutter loosening mechanism |
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| CN (1) | CN102079051B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962583A (en) * | 2014-03-24 | 2014-08-06 | 杭州电子科技大学 | Automatic replacing device and method of ultrasonic cutting process tool |
| CN106271791A (en) * | 2015-05-14 | 2017-01-04 | 安徽省临泉县智创精机有限公司 | A kind of jig arm servo tilting direct connection tool magazine |
| CN108081006A (en) * | 2017-12-25 | 2018-05-29 | 宣城市建林机械有限公司 | Tool changing efficiently machining center |
| CN108098422A (en) * | 2017-12-25 | 2018-06-01 | 宣城市建林机械有限公司 | Tool magazine indexing efficiently machining center |
| CN109079207A (en) * | 2016-09-08 | 2018-12-25 | 钱光宝 | Milling machine |
| CN110666560A (en) * | 2019-09-19 | 2020-01-10 | 贵州宝康智能装备有限公司 | Lathe pine cutter arm mounting structure |
| CN112496822A (en) * | 2020-10-30 | 2021-03-16 | 通用技术集团大连机床有限责任公司 | Fixed support for auxiliary tool inside machine tool |
| CN114378615A (en) * | 2020-10-22 | 2022-04-22 | 富准精密模具(嘉善)有限公司 | Turning tool interchanging device |
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| CN201940845U (en) * | 2010-12-14 | 2011-08-24 | 成都普瑞斯数控机床有限公司 | Cam-linkage type synchronous unclamping mechanism |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962583A (en) * | 2014-03-24 | 2014-08-06 | 杭州电子科技大学 | Automatic replacing device and method of ultrasonic cutting process tool |
| CN103962583B (en) * | 2014-03-24 | 2017-02-22 | 杭州电子科技大学 | Automatic replacing device and method of ultrasonic cutting process tool |
| CN106271791A (en) * | 2015-05-14 | 2017-01-04 | 安徽省临泉县智创精机有限公司 | A kind of jig arm servo tilting direct connection tool magazine |
| CN109079207A (en) * | 2016-09-08 | 2018-12-25 | 钱光宝 | Milling machine |
| CN108081006A (en) * | 2017-12-25 | 2018-05-29 | 宣城市建林机械有限公司 | Tool changing efficiently machining center |
| CN108098422A (en) * | 2017-12-25 | 2018-06-01 | 宣城市建林机械有限公司 | Tool magazine indexing efficiently machining center |
| CN110666560A (en) * | 2019-09-19 | 2020-01-10 | 贵州宝康智能装备有限公司 | Lathe pine cutter arm mounting structure |
| CN114378615A (en) * | 2020-10-22 | 2022-04-22 | 富准精密模具(嘉善)有限公司 | Turning tool interchanging device |
| CN114378615B (en) * | 2020-10-22 | 2023-02-28 | 富准精密模具(嘉善)有限公司 | Turning tool interchanging device |
| CN112496822A (en) * | 2020-10-30 | 2021-03-16 | 通用技术集团大连机床有限责任公司 | Fixed support for auxiliary tool inside machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102079051B (en) | 2012-09-26 |
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