CN203751533U - Numerical-control laser cutting machine tool and third shaft structure thereof - Google Patents
Numerical-control laser cutting machine tool and third shaft structure thereof Download PDFInfo
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- CN203751533U CN203751533U CN201420061078.XU CN201420061078U CN203751533U CN 203751533 U CN203751533 U CN 203751533U CN 201420061078 U CN201420061078 U CN 201420061078U CN 203751533 U CN203751533 U CN 203751533U
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- machine tool
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- slide plate
- cutting machine
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- 238000003698 laser cutting Methods 0.000 title abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a numerical-control laser cutting machine tool and a third shaft structure thereof. The third shaft structure comprises a sliding seat, a sliding plate, a lead screw pair and a third shaft motor, wherein the sliding seat is provided with a sliding block; the sliding plate is arranged on the sliding seat and is provided with a guide track which is matched with the sliding block; the sliding plate slides relative to the sliding seat along the direction of the guide track; a cutting head of the numerical-control laser cutting machine tool can be loaded on the sliding plate; the sliding plate is connected with the sliding seat through the lead screw pair; the lead screw pair comprises a nut and a lead screw; the nut is fixed on the sliding plate; the lead screw is arranged on the sliding seat and penetrates in the nut; the lead screw is in screw-thread fit with the nut; when the lead screw rotates, the nut is driven by the lead screw to rotate along the lead screw; the third shaft motor is arranged on the sliding seat; and a driving shaft of the third shaft motor is coaxially connected with one end of the lead screw so as to drive the lead screw to rotate. The stroke range of a third shaft can be expanded by increasing the length of the guide track and the stroke of the corresponding lead screw, requirements of an upper exchanging worktable and a lower exchanging worktable on the stroke can be met, and the structure of the machine tool body can be improved.
Description
[technical field]
The utility model relates to a kind of laser process equipment, particularly relates to a kind of cutting machine tool of numerical and three-axis structure thereof.
[background technology]
The 3rd axle carriage rail installing space of existing cutting machine tool of numerical is limited, cutting head at the 3rd direction of principal axis (for example, vertical direction) stroke is less than normal, laser cutting requires the distance between cutting head and sheet material to remain unchanged simultaneously, this has just caused the position of each pallet changer must be at sustained height, this has greatly reduced the optimization space of platen structure, has brought very large inconvenience to the improvement of other structures of control laser cutting machine tool.
[utility model content]
In view of above-mentioned condition, be necessary to provide the three-axis structure of the cutting machine tool of numerical that a kind of the 3rd axial stroke is larger.
A three-axis structure for cutting machine tool of numerical, it comprises:
Be provided with the slide of slide block;
Be located at the slide plate on described slide, described slide plate is provided with the guide rail matching with described slide block, and described slide plate is slided along the direction of described guide rail with respect to described slide; Described slide plate can carry the cutting head of cutting machine tool of numerical;
Connect the lead screw pair of described slide plate and described slide, described lead screw pair comprises and is fixed on the screw of described slide plate and is located on described slide and through the screw mandrel of described screw, described screw mandrel and described screw threaded engagement, rotate described screw mandrel and drive described screw to move along described screw mandrel; And
Be arranged on the 3rd spindle motor on described slide, described the 3rd driving shaft of spindle motor and one end of described screw mandrel is coaxial is connected, to drive described screw mandrel to rotate;
Wherein, described the 3rd spindle motor drives described screw mandrel to rotate, and described screw mandrel drives described screw to move along described screw mandrel, and described guide rail coordinates with described slide block, makes the direction slip of described slide plate along described guide rail.
Above-mentioned three-axis structure changes that traditional guide rail is fixed, the mode of slide block movement, employing slide block is fixed, the mounting means of guide rail movement, the restriction of the slide that has solved like this three-axis structure to mounting guide rail length, can strengthen the stroke range of the 3rd axle by increasing the length of guide rail and the stroke of corresponding screw mandrel, can meet the requirement of upper and lower two-layer pallet changer to stroke, leave very large space to the improvement of lathe bed structure.And three-axis structure both can be used as a numerical control axle and carried out its independent moving interpolation, energy and X, 2-axis linkage, can switch to again servo-actuated control simultaneously, meets the needs of different situations.Because the 3rd axle is servo-actuated, also by digital control system control, therefore servo-actuated ratio of precision is higher, and stability is relatively good, thereby has ensured the quality of cutting.
In an embodiment, described lead screw pair is ball-screw therein, and described three-axis structure also comprises at least one spring that connects described slide and slide plate, and described slide plate makes described spring generation elastic deformation during with respect to described slide slip.
In an embodiment, described slide is provided with at least one fairlead passing for described at least one spring therein.
In an embodiment, the two ends of described slide plate are respectively equipped with one and approach inductive switch therein, by the described stroke that approaches slide plate described in inductive switch control.
In an embodiment, the two ends of described screw mandrel are provided with elastic buffering pad therein.
In an embodiment, described lead screw pair also comprises the screw rodb base being fixed on described slide therein, and described screw mandrel passes described screw rodb base, and rotatable with respect to described screw rodb base, and described screw rodb base is provided with the first oil nozzle for charging-up lubricant oil fat;
And/or described guide rail has track base, described track base is provided with the second oil nozzle for charging-up lubricant oil fat.
In an embodiment, described slide and described slide plate are aluminium casting therein.
Meanwhile, the present invention also provides a kind of cutting machine tool of numerical of employing three-axis structure.
A kind of cutting machine tool of numerical, it comprises:
Above-mentioned three-axis structure;
Be arranged on the described cutting head on described slide plate;
Be provided with the crossbeam of tooth bar; And
Be arranged on the second spindle motor on described slide, on the driving shaft of described the second spindle motor, be fixed with driven wheel, described driven wheel is meshed with described tooth bar;
Wherein, described the second spindle motor drives described driven wheel to rotate, and described slide is slided along described crossbeam.
In an embodiment, described cutting head is provided with capacitive range sensor therein, by the spacing between cutting head described in described range sensor sensing and sheet material to be cut.
In an embodiment, described cutting head is provided with focusing nut therein, by the focal position of laser of cutting head described in described focusing threaded adjusting;
And/or described cutting head is provided with the drag chain for cabling.
[brief description of the drawings]
Fig. 1 is the structural representation of the cutting machine tool of numerical of the utility model embodiment;
Fig. 2 is the structural representation after the cutting machine tool of numerical remove portion shell shown in Fig. 1;
Fig. 3 is the structural representation after the cutting machine tool of numerical remove portion shell shown in Fig. 1 and drag chain;
Fig. 4 is the structural representation at another visual angle of cutting machine tool of numerical shown in Fig. 3;
Fig. 5 is the axial cutaway view of the cutting machine tool of numerical shown in Fig. 3;
Fig. 6 is the structural representation of the slide plate of the three-axis structure of the cutting machine tool of numerical shown in Fig. 1;
Fig. 7 is the structural representation of the slide of the three-axis structure of the cutting machine tool of numerical shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.In accompanying drawing, provide preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.On the contrary, when element be known as " directly existing " another element " on " time, there is not intermediary element.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in description of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the cutting machine tool of numerical 10 of embodiment of the present utility model comprises three-axis structure 100, cutting head 200, crossbeam 300 and the second spindle motor 400.Three-axis structure 100 comprises slide 110, slide plate 120, lead screw pair 130 and the 3rd spindle motor 140.
See also Fig. 3 to Fig. 7, slide 110 is provided with slide block 111.Slide plate 120 is located on slide 110, and slide plate 120 is provided with the guide rail 121 matching with slide block 111, and slide plate 120 is slided along the direction of guide rail 121 with respect to slide 110.Slide plate 120 is for carrying the cutting head 200 of cutting machine tool of numerical 10.
Specifically, in illustrated embodiment, slide 110 and slide plate 120 are aluminium casting.The material of slide 110 and slide plate 120 is all cast aluminium, eliminates internal stress and carry out machined again after casting, ensures overall precision.The flatness of the installed surface of guide rail 121, slide block 111, linearity, the depth of parallelism can reach Europe superscript 6 class precision requirements.
Further, the two ends of slide plate 120 are respectively equipped with one and approach inductive switch 123, control the stroke of slide plate 120 by approaching inductive switch 123.Realize the restriction to position by approaching inductive switch 123, ensured the use safety of slide plate 120.
Lead screw pair 130 connects slide plate 120 and slide 110.Lead screw pair 130 comprises and is fixed on the screw 131 of slide plate 120 and is located on slide 110 and through the screw mandrel 133 of screw 131, screw mandrel 133 and screw 131 threaded engagement, rotate screw mandrel 133 and drive screw 131 to move along screw mandrel 133.
Specifically, in illustrated embodiment, lead screw pair 130 is ball-screw, and three-axis structure 100 also comprises at least one spring 150 that connects slide 110 and slide plate 120, when slide plate 120 slides with respect to slide 110 and make spring 150 that elastic deformation occur.Three-axis structure 100 drives lead screw pair 130 transmissions to realize moving up and down of cutting head 200 by the 3rd spindle motor 140, and spring 150 plays the effect of counterweight.
Further, slide 110 is provided with at least one fairlead 115 passing at least one spring 150.
Further, the two ends of the screw mandrel 133 of lead screw pair 130 are provided with elastic buffering pad.
Further, lead screw pair 130 also comprises the screw rodb base being fixed on slide 110, and screw mandrel 133 passes screw rodb base, and rotatable with respect to screw rodb base, and screw rodb base is provided with the first oil nozzle for charging-up lubricant oil fat.
Further, guide rail 121 has track base, and track base is provided with the second oil nozzle for charging-up lubricant oil fat.
The 3rd spindle motor 140 is arranged on slide 110, and coaxial connection of one end of the driving shaft of the 3rd spindle motor 140 and screw mandrel 133, to drive screw mandrel 133 to rotate.The 3rd spindle motor 140 drives screw mandrel 133 to rotate, and screw mandrel 133 drives screw 131 to move along screw mandrel 133, and guide rail 121 coordinates with slide block 111, and slide plate 120 is slided along the direction of guide rail 121.Specifically, in illustrated embodiment, the 3rd spindle motor 140 directly drives screw mandrel 133 to rotate by shaft coupling.
Cutting head 200 is arranged on slide plate 120.Crossbeam 300 is provided with tooth bar, and the second spindle motor 400 is arranged on slide 110, on the driving shaft of the second spindle motor 400, is fixed with driven wheel, and driving gear wheel and rack is meshed.Two spindle motors 400 drive driven wheel to rotate, and slide 110 is slided along crossbeam 300.
Further, cutting head 200 is provided with capacitive range sensor, by the spacing between range sensor sensing cutting head 200 and sheet material to be cut.Capacitive range sensor is installed on cutting head 200, can controls in real time distance between cutting head 200 and sheet material and keep constant.
Further, cutting head 200 is provided with focusing nut, by the focal position of laser of focusing threaded adjusting cutting head 200.
Further, cutting head 200 is provided with the drag chain 500 for cabling.
The second axle construction of above-mentioned cutting machine tool of numerical 10 and the operation principle of three-axis structure 100 are as follows:
The second spindle motor 400 driven wheels engage with the tooth bar of crossbeam 300, drive three-axis structure 100 to move along crossbeam 300, and for example, stroke can reach 2020mm.Slide block 111 is fixedly installed on slide 110, and guide rail 121 is fixedly mounted on slide plate 120, and the 3rd spindle motor 140 drives ball-screw, drives slide plate 120 to move up and down by screw 131, thereby drives the motion of cutting head 200.Approach the stroke range that inductive switch 123 can limit the 3rd axle, for example, the 3rd axle stroke is 300mm.Cushion pad is installed on ball-screw, has guaranteed the safety of operation.Spring 150 can play the effect of counterweight in the time that slide plate 120 is descending, made up the shortcoming that ball-screw can not self-locking.Routing device is arranged on slide plate 120, follows moving up and down of slide plate 120, can realize the lubricated of guide rail 121 and ball-screw by the oiling of oil nozzle.Three-axis structure 100 is controlled the 3rd spindle motor 140 and is driven cutting head 200 to move up and down by being arranged on capacitive range sensor on cutting head 200, and while making to cut, nozzle and cuts sheet material maintain a certain distance, and ensure cut quality.More than ensure that the 3rd axle can be under the control of digital control system, accurately operation efficiently.
Above-mentioned cutting machine tool of numerical 10 at least tool has the following advantages:
(1) above-mentioned three-axis structure 100 changes the mode that traditional guide rail 121 is fixing, slide block 111 moves, adopt the mounting means that slide block 111 is fixing, guide rail 121 moves, the restriction of the slide 110 that has solved like this three-axis structure 100 to mounting guide rail 121 length, can strengthen the stroke range of the 3rd axle by increasing the length of guide rail 121 and the stroke of corresponding screw mandrel 133, can meet the requirement of upper and lower two-layer pallet changer to stroke, leave very large space to the improvement of lathe bed structure.And three-axis structure 100 both can be used as a numerical control axle and carried out its independent moving interpolation, energy and X, 2-axis linkage, can switch to again servo-actuated control simultaneously, meets the needs of different situations.Because the 3rd axle is servo-actuated, also by digital control system control, therefore servo-actuated ratio of precision is higher, and stability is relatively good, thereby has ensured the quality of cutting.
(2) slide 110 is bases of whole three-axis structure 100, and its material is cast aluminium, eliminates internal stress and carry out machined again after casting, has ensured overall precision.Under the prerequisite that meets requirement of strength, reduce as much as possible the weight of the 3rd axle.
(3) two ends up and down of slide plate 120 all adopt and approach inductive switch 123 and control stroke, simultaneously at the flexible cushion pad in ball-screw two ends, have ensured the security of motion.Because ball-screw auto-lock function is poor, by a spring 150, slide plate 120 is connected with slide 110, in the time that moving downward, plays by slide plate 120 effect of counterweight.Spring 150 has increased fairlead 115 simultaneously, prevents from rubbing between high-speed motion process medi-spring 150 and slide plate 120.
(4) because original routing device is firm not, adopt drag chain 500 to strengthen, ensure that routing device has enough intensity in high acceleration, high-frequency motion.
(5) three-axis structures 100 are respectively equipped with the oil nozzle of 121, guide rail and 133 charging-up lubricant oil fat of screw mandrel, regularly grease up.
The capacitance sensor of (6) three-axis structures 100 detects nozzle after the distance of plate surface, signal feedback is arrived to control system, then drive cutting head 200 to move up and down by control system control the 3rd spindle motor 140, thereby the distance of having controlled nozzle and sheet material is constant, effectively ensure cut quality.Cutting head 200 has the nut of focusing, and can adjust according to the material of cutting material and thickness the position of focus, obtains thus good cutting section.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a three-axis structure for cutting machine tool of numerical, is characterized in that, comprising:
Be provided with the slide of slide block;
Be located at the slide plate on described slide, described slide plate is provided with the guide rail matching with described slide block, and described slide plate is slided along the direction of described guide rail with respect to described slide; Described slide plate can carry the cutting head of cutting machine tool of numerical;
Connect the lead screw pair of described slide plate and described slide, described lead screw pair comprises and is fixed on the screw of described slide plate and is located on described slide and through the screw mandrel of described screw, described screw mandrel and described screw threaded engagement, rotate described screw mandrel and drive described screw to move along described screw mandrel; And
Be arranged on the 3rd spindle motor on described slide, described the 3rd driving shaft of spindle motor and one end of described screw mandrel is coaxial is connected, to drive described screw mandrel to rotate;
Wherein, described the 3rd spindle motor drives described screw mandrel to rotate, and described screw mandrel drives described screw to move along described screw mandrel, and described guide rail coordinates with described slide block, makes the direction slip of described slide plate along described guide rail.
2. the three-axis structure of cutting machine tool of numerical as claimed in claim 1, it is characterized in that, described lead screw pair is ball-screw, described three-axis structure also comprises at least one spring that connects described slide and slide plate, and described slide plate makes described spring generation elastic deformation during with respect to described slide slip.
3. the three-axis structure of cutting machine tool of numerical as claimed in claim 2, is characterized in that, described slide is provided with at least one fairlead passing for described at least one spring.
4. the three-axis structure of cutting machine tool of numerical as claimed in claim 1, is characterized in that, the two ends of described slide plate are respectively equipped with one and approach inductive switch, by the described stroke that approaches slide plate described in inductive switch control.
5. the three-axis structure of cutting machine tool of numerical as claimed in claim 1, is characterized in that, the two ends of described screw mandrel are provided with elastic buffering pad.
6. the three-axis structure of cutting machine tool of numerical as claimed in claim 1, it is characterized in that, described lead screw pair also comprises the screw rodb base being fixed on described slide, described screw mandrel is through described screw rodb base, and rotatable with respect to described screw rodb base, described screw rodb base is provided with the first oil nozzle for charging-up lubricant oil fat;
And/or described guide rail has track base, described track base is provided with the second oil nozzle for charging-up lubricant oil fat.
7. the three-axis structure of cutting machine tool of numerical as claimed in claim 1, is characterized in that, described slide and described slide plate are aluminium casting.
8. a cutting machine tool of numerical, is characterized in that, comprising:
Three-axis structure as described in claim 1～7 any one;
Be arranged on the described cutting head on described slide plate;
Be provided with the crossbeam of tooth bar; And
Be arranged on the second spindle motor on described slide, on the driving shaft of described the second spindle motor, be fixed with driven wheel, described driven wheel is meshed with described tooth bar;
Wherein, described the second spindle motor drives described driven wheel to rotate, and described slide is slided along described crossbeam.
9. cutting machine tool of numerical as claimed in claim 8, is characterized in that, described cutting head is provided with capacitive range sensor, by the spacing between cutting head described in described range sensor sensing and sheet material to be cut.
10. cutting machine tool of numerical as claimed in claim 8, is characterized in that, described cutting head is provided with focusing nut, by the focal position of laser of cutting head described in described focusing threaded adjusting;
And/or described cutting head is provided with the drag chain for cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061078.XU CN203751533U (en) | 2014-02-10 | 2014-02-10 | Numerical-control laser cutting machine tool and third shaft structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061078.XU CN203751533U (en) | 2014-02-10 | 2014-02-10 | Numerical-control laser cutting machine tool and third shaft structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203751533U true CN203751533U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420061078.XU Expired - Fee Related CN203751533U (en) | 2014-02-10 | 2014-02-10 | Numerical-control laser cutting machine tool and third shaft structure thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345260A (en) * | 2015-12-08 | 2016-02-24 | 重庆镭宝激光智能机器人制造有限公司 | Simple expression device for motion track of laser head |
| CN106112259A (en) * | 2016-08-26 | 2016-11-16 | 江苏亚威机床股份有限公司 | A kind of cross beam of laser cutting machine Z axis ultralong-stroke structure |
| CN106735884A (en) * | 2017-03-07 | 2017-05-31 | 无锡洲翔激光设备有限公司 | Gantry exchange type laser cutting machine laser head governor motion |
| CN108406143A (en) * | 2018-04-04 | 2018-08-17 | 大族激光科技产业集团股份有限公司 | A kind of flexibility pressing wheel mechanism and adaptive laser soldering device |
| CN110842340A (en) * | 2019-11-28 | 2020-02-28 | 上海骄成机电设备有限公司 | Ultrasonic welding machine frame sliding lubricating structure |
-
2014
- 2014-02-10 CN CN201420061078.XU patent/CN203751533U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345260A (en) * | 2015-12-08 | 2016-02-24 | 重庆镭宝激光智能机器人制造有限公司 | Simple expression device for motion track of laser head |
| CN106112259A (en) * | 2016-08-26 | 2016-11-16 | 江苏亚威机床股份有限公司 | A kind of cross beam of laser cutting machine Z axis ultralong-stroke structure |
| CN106735884A (en) * | 2017-03-07 | 2017-05-31 | 无锡洲翔激光设备有限公司 | Gantry exchange type laser cutting machine laser head governor motion |
| CN108406143A (en) * | 2018-04-04 | 2018-08-17 | 大族激光科技产业集团股份有限公司 | A kind of flexibility pressing wheel mechanism and adaptive laser soldering device |
| CN110842340A (en) * | 2019-11-28 | 2020-02-28 | 上海骄成机电设备有限公司 | Ultrasonic welding machine frame sliding lubricating structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |