CN201889586U - Crossbeam longitudinal driving and composite guide rail device of laser cutter - Google Patents

Crossbeam longitudinal driving and composite guide rail device of laser cutter Download PDF

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Publication number
CN201889586U
CN201889586U CN 201020640829 CN201020640829U CN201889586U CN 201889586 U CN201889586 U CN 201889586U CN 201020640829 CN201020640829 CN 201020640829 CN 201020640829 U CN201020640829 U CN 201020640829U CN 201889586 U CN201889586 U CN 201889586U
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CN
China
Prior art keywords
gear shaft
crossbeam
gear
composite guide
laser cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201020640829
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Chinese (zh)
Inventor
杜喜代
蒋文凯
温霞
杨军
康文卓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianshui Metalforming Machine Tool Co Ltd
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Tianshui Metalforming Machine Tool Co Ltd
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Publication date
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Priority to CN 201020640829 priority Critical patent/CN201889586U/en
Application granted granted Critical
Publication of CN201889586U publication Critical patent/CN201889586U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a crossbeam longitudinal driving and composite guide rail device of a laser cutter, comprising a crossbeam which is made of cast aluminum; both ends of the crossbeam are respectively provided with a first gear shaft and a second gear shaft; the first gear shaft and the second gear shaft are arranged coaxially, and are connected through a connecting shaft; the gear of the first gear shaft and the gear of the second gear shaft are respectively meshed with two racks in parallel; the first gear shaft is driven by a power driving mechanism; the crossbeam is also provided with a bolt roller and an aligning ball bearing; and the bolt roller and the aligning ball bearing are respectively contacted with the top surface and the bottom surface of a guide rail. The crossbeam longitudinal driving and composite guide rail device of the laser cutter improvers the response capability as well as the dynamic acceleration and deceleration properties and has the advantages of compact structure, reasonable design, small friction force, high transmission precision and the like, so that the high-speed cutting and high response requirements of the laser cutter are met.

Description

The laser cutting machine crossbeam vertically drives and the composite guide rails device
Technical field
The utility model belongs to laser equipment manufacturing technology field, relates to a kind of laser cutting machine crossbeam and vertically drives and the composite guide rails device.
Background technology
Adopt the laser cutting head of gantry laser cutting machine of flight light path can do the space three-dimensional parallel motion.At present, the device driving laser cutting head water that adopt two driving servomotors to add the transmission of bilateral drive-type synchromesh gear tooth bar carry out the plane lengthwise movement more, but the dynamic response of this device and control accuracy are relatively poor, and electrical control is comparatively complicated, synchronism is difficult to control, and cost is higher.
The utility model content
In order to overcome above-mentioned problems of the prior art, the purpose of this utility model provides a kind of laser cutting machine crossbeam and vertically drives and the composite guide rails device, can improve the dynamic response and the control accuracy of laser cutting machine.
The technical scheme that the utility model adopted is, the laser cutting machine crossbeam vertically drives and the composite guide rails device, comprise the crossbeam 11 that cast aluminium is made, the two ends of crossbeam 11 are separately installed with first gear shaft 8 and second gear shaft 13, first gear shaft 8 and the 13 coaxial settings of second gear shaft, and be connected by connecting axle 10, the gear of the gear of first gear shaft 8 and second gear shaft 13 meshes respectively with two toothed rack 6 that be arranged in parallel, first gear shaft 8 is driven by power-driven mechanism, also be provided with bolt roller 17 and self-aligning ball bearing 19 on the crossbeam 11, bolt roller 17 and self-aligning ball bearing 19 contact with the end face and the bottom surface of guided way 18 respectively.
Power-driven mechanism adopts the single-stage planetary reductor of band servomotor.
First gear shaft 8 is connected with connecting axle 10 by the second tensioner adapter sleeve 12, and the second tensioner adapter sleeve 12 can be around self axis rotation.
Second gear shaft 13 is connected with connecting axle 10 by the second tensioner adapter sleeve 12, and the second tensioner adapter sleeve 12 can be around self axis rotation.
Bolt roller 17 is connected with crossbeam 11 by eccentric bushing 21.
Self-aligning ball bearing 19 is connected with crossbeam 11 by eccentric shaft 20.
The cross section of guided way 18 is a rectangle.
The utility model laser cutting machine crossbeam drives and the composite guide rails device adopts the high rigidity planet-gear speed reducer of the low inertia of single motor band to drive bilateral gear rack-and-pinion Synchronous Transmission, be equipped with the crack transmission coupling that to disappear and add the high accuracy rack-and-pinion, improved responding ability and dynamic acceleration and deceleration performance.One-sided rolling linear guide and one-sided rectangular guideway dress eccentric adjustable roller have made things convenient for Installation and Debugging, and it is little to have frictional force, the transmission accuracy advantages of higher.Outside optical system, water route gas control system, Z axle box, the first-class core component of cutting are installed on the movably crossbeam that cast aluminium makes, have further improved dynamic response capability.
Description of drawings
Fig. 1 is the structural representation of driving of the utility model crossbeam and composite guide rails device;
Fig. 2 is the scheme of installation of the utility model device middle guide;
Fig. 3 is the A-A cutaway view of Fig. 2.
Among the figure, 1. planetary reducer, 2. reductor base, 3. adapter sleeve, 4. the first tensioner adapter sleeve, 5. double-row angular contact bal bearing, 6. tooth bar, 7. base, 8. first gear shaft, 9. deep groove ball bearing, 10. connecting axle, 11. crossbeams, 12. the second tensioner adapter sleeve, 13. second gear shafts, 14. locking nuts, 15. bearing spiders, 16. straight-line rolling guide set, 17. bolt rollers, 18. guided ways, 19. self-aligning ball bearings, 20. eccentric shaft, 21. eccentric bushings, 22. adjusting pads.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, the structure of driving of the utility model crossbeam and composite guide rails device, comprise the movably crossbeam 11 that cast aluminium is made, the two ends of crossbeam 11 are separately installed with bearing spider 15, double-row angular contact bal bearing 5 and deep groove ball bearing 9 are installed in the bearing spider 15, stretch out respectively outside this bearing spider 15 at the two ends that are horizontally installed with first gear shaft, 8, the first gear shafts 8 in bearing spider 15; Stretch out respectively outside this bearing spider 15 at the two ends that are horizontally installed with second gear shaft, 13, the second gear shafts 13 in another bearing spider 15, first gear shaft 8 and the 13 coaxial settings of second gear shaft; First gear shaft 8 and second gear shaft 13 are connected with the two ends of hollow connecting axle 10 by the second tensioner adapter sleeve 12 respectively, and the second tensioner adapter sleeve 12 can be around self axis rotation; The gear of the gear of first gear shaft 8 and second gear shaft 13 and two toothed rack 6 that be arranged in parallel mesh respectively, and can drive crossbeam 11 and move along tooth bar 6.Reductor base 2 is installed on the crossbeam 1, planetary reducer 1 is installed on the reductor base 2, adapter sleeve 3 is installed on the output shaft of planetary reducer 1, adapter sleeve 3 is connected with first gear shaft 8 by the first tensioner adapter sleeve 4.Planetary reducer 1 adopts the single-stage planetary reductor of band servomotor;
The scheme of installation of the utility model device middle guide, as shown in Figures 2 and 3, the end that crossbeam 11 is equipped with first gear shaft 8 is provided with straight-line rolling guide set 16, and the rolling member of straight-line rolling guide set 16 is installed on the crossbeam 11, and the guide rail of straight-line rolling guide set 16 is fixedlyed connected with base 7; The end that crossbeam 11 is equipped with second gear shaft 13 is provided with eccentric bushing 21, be provided with bolt roller 17 in the eccentric bushing 21, bolt roller 17 is positioned at the top of guided way 18, and contacts with guided way 18, the cross section of guided way 18 is a rectangle, and guided way 18 is fixed on the base 7.Also be provided with eccentric shaft 20 on the crossbeam 11, eccentric shaft 20 is positioned at the below of eccentric bushing 21, and an end of eccentric shaft 20 is equipped with self-aligning ball bearing 19, and self-aligning ball bearing 19 contacts with the bottom surface of guide rail 18.Between the guide rail mounting plane of plane and crossbeam 11 adjusting pad 22 is installed on the slide block of straight-line rolling guide set 16.
Double-row angular contact bal bearing 5 can make first gear shaft 8 and second gear shaft 13 bear bi-directional axial load.
For improving transmission accuracy, connecting axle 12 must be done quiet dynamic balance running.
The second tensioner adapter sleeve 12 can 360 ° of rotations, in order to eliminate bilateral gear tooth bar gap.
All have the installation window over against the first tensioner adapter sleeve 4 and the second tensioner adapter sleeve, 12 places on the crossbeam 11, conveniently to tighten screw.
Adjust rack-and-pinion engagement locating distance by the thickness of repair adjusting pad 22, guarantee tooth bar engagement normal engaged.Eccentric shaft 20 all has certain offset with eccentric bushing 21, can not only adjust rack-and-pinion engagement locating distance, and the opposing tilting moment can also be adjusted installation accuracy, eliminates mismachining tolerance.
Outside optical system, water route gas control system, Z axle box, the first-class core component of cutting are installed on the crossbeam 11, guide rail in two toothed rack 6, the straight-line rolling guide set 16 and guided way 18 are installed on the base 7.In the laser cutting process, when needing mobile cutting head, start the power source that drives planetary reducer 1, planetary reducer 1 rotates, and moment of torsion passed to first gear shaft 8, first gear shaft 8 rotates, and move along tooth bar 6, first gear shaft 8 passes to second gear shaft, 13, the second gear shafts 13 along another toothed rack 6 same moved further by connecting axle 10 with moment of torsion simultaneously, and two rooted tooth wheel shafts drive crossbeam 11 and move, in crossbeam 11 moving process, straight-line rolling guide set 16, guide rail 18, bolt roller 17 and self-aligning ball bearing 19 play the effect of guiding, and can resist tilting moment, guarantee crossbeam 11 even runnings.
The utility model device has improved responding ability and dynamic acceleration and deceleration performance, have compact conformation, reasonable in design, frictional force is little, the transmission accuracy advantages of higher.Satisfied the requirement of laser cutting machine high-speed cutting and high responsiveness.

Claims (7)

1. the laser cutting machine crossbeam vertically drives and the composite guide rails device, it is characterized in that, comprise the crossbeam (11) that cast aluminium is made, the two ends of crossbeam (11) are separately installed with first gear shaft (8) and second gear shaft (13), first gear shaft (8) and the coaxial setting of second gear shaft (13), and be connected by connecting axle (10), the gear of the gear of first gear shaft (8) and second gear shaft (13) meshes respectively with two toothed rack (6) that be arranged in parallel, first gear shaft (8) is driven by power-driven mechanism, also be provided with bolt roller (17) and self-aligning ball bearing (19) on the crossbeam (11), bolt roller (17) and self-aligning ball bearing (19) contact with the end face and the bottom surface of guided way (18) respectively.
2. laser cutting machine crossbeam according to claim 1 vertically drives and the composite guide rails device, it is characterized in that, described power-driven mechanism adopts the single-stage planetary reductor of band servomotor.
3. laser cutting machine crossbeam according to claim 1 vertically drives and the composite guide rails device, it is characterized in that, described first gear shaft (8) is connected with connecting axle (10) by the second tensioner adapter sleeve (12), and the second tensioner adapter sleeve (12) can be around self axis rotation.
4. laser cutting machine crossbeam according to claim 1 vertically drives and the composite guide rails device, it is characterized in that, described second gear shaft (13) is connected with connecting axle (10) by the second tensioner adapter sleeve (12), and the second tensioner adapter sleeve (12) can be around self axis rotation.
5. laser cutting machine crossbeam according to claim 1 vertically drives and the composite guide rails device, it is characterized in that described bolt roller (17) is connected with crossbeam (11) by eccentric bushing (21).
6. laser cutting machine crossbeam according to claim 1 vertically drives and the composite guide rails device, it is characterized in that described self-aligning ball bearing (19) is connected with crossbeam (11) by eccentric shaft (20).
7. laser cutting machine crossbeam according to claim 1 vertically drives and the composite guide rails device, it is characterized in that the cross section of described guided way (18) is a rectangle.
CN 201020640829 2010-12-03 2010-12-03 Crossbeam longitudinal driving and composite guide rail device of laser cutter Expired - Fee Related CN201889586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020640829 CN201889586U (en) 2010-12-03 2010-12-03 Crossbeam longitudinal driving and composite guide rail device of laser cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020640829 CN201889586U (en) 2010-12-03 2010-12-03 Crossbeam longitudinal driving and composite guide rail device of laser cutter

Publications (1)

Publication Number Publication Date
CN201889586U true CN201889586U (en) 2011-07-06

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CN 201020640829 Expired - Fee Related CN201889586U (en) 2010-12-03 2010-12-03 Crossbeam longitudinal driving and composite guide rail device of laser cutter

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CN (1) CN201889586U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759762A (en) * 2015-03-31 2015-07-08 苏州汇能激光科技有限公司 Extruding aluminum cross beam for laser cutting machine and production process
CN106580363A (en) * 2017-01-25 2017-04-26 明峰医疗系统股份有限公司 Scanning bed
CN107984126A (en) * 2017-11-29 2018-05-04 大族激光科技产业集团股份有限公司 Welding equipment and welding method
CN108247224A (en) * 2018-03-26 2018-07-06 江苏大华激光科技开发有限公司 A kind of mounting rail of laser cutting machine
CN108500450A (en) * 2018-06-01 2018-09-07 温州大学激光与光电智能制造研究院 A kind of big width laser High-speed machining mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759762A (en) * 2015-03-31 2015-07-08 苏州汇能激光科技有限公司 Extruding aluminum cross beam for laser cutting machine and production process
CN106580363A (en) * 2017-01-25 2017-04-26 明峰医疗系统股份有限公司 Scanning bed
CN107984126A (en) * 2017-11-29 2018-05-04 大族激光科技产业集团股份有限公司 Welding equipment and welding method
CN107984126B (en) * 2017-11-29 2020-05-15 大族激光科技产业集团股份有限公司 Welding equipment and welding method
CN108247224A (en) * 2018-03-26 2018-07-06 江苏大华激光科技开发有限公司 A kind of mounting rail of laser cutting machine
CN108500450A (en) * 2018-06-01 2018-09-07 温州大学激光与光电智能制造研究院 A kind of big width laser High-speed machining mechanism

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110706

Termination date: 20111203