CN204725243U - A kind of numerical control scale-division pneumatic chuck - Google Patents
A kind of numerical control scale-division pneumatic chuck Download PDFInfo
- Publication number
- CN204725243U CN204725243U CN201520466367.2U CN201520466367U CN204725243U CN 204725243 U CN204725243 U CN 204725243U CN 201520466367 U CN201520466367 U CN 201520466367U CN 204725243 U CN204725243 U CN 204725243U
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- China
- Prior art keywords
- cylinder
- synchronizing wheel
- main shaft
- numerical control
- pneumatic chuck
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Abstract
The utility model provides a kind of numerical control scale-division pneumatic chuck, comprise frame, collet, main shaft, cylinder, large synchronizing wheel, little synchronizing wheel and motor, described little synchronizing wheel is fixed on described motor rotation axis, described large synchronizing wheel is fixed on described main shaft, described large synchronizing wheel is driven by described little synchronizing wheel, the cylinder axis of described cylinder is positioned at described main shaft coaxial, and described collet is coaxially connected with described main shaft, and described main shaft is fixed in described frame.The beneficial effect of this technical scheme is: synchronizing wheel and main shaft with being integrated, and are positioned at the centre of two bearings, greatly saved space, have simplified the structure.
Description
[technical field]
The present invention relates to mechanical field, particularly relate to a kind of numerical control scale-division pneumatic chuck.
[background technology]
Because China's labor cost rises day by day, automation demand is more and more large, and the measuring truck product amount of labour used traditional is especially large, and labour intensity is high.So, the various automatic machines being applicable to the industry are constantly released, great majority need the rotary chuck of the pneumatic pinch of energy calibration, generally adopt in two ways: the additional cylinder of main shaft portion of (1) measuring truck and stepper motor or servomotor are changed a social system, the connection of motor and main shaft is by synchronizing wheel Timing Belt, and the installation of synchronizing wheel and main shaft needs to add servicing unit, and processing capacity is large, volume is large, and cost is many; (2) adopt the Rotatable pneumatic device that specialized factory's design is produced, generally adopt hollow cylinder, amateur factory can not process, and cost costly, and also needs another feeder apparatus with connecting of motor, and volume is also larger.
The patent of invention being CN202114754U as notification number discloses a kind of Pneumatic chuck structure, comprises main transmission axle bed, final drive shaft, piston, piston compression spring, jaw, jaw extension spring, air heave type cutting main shaft and seal; Described final drive shaft is arranged in main transmission axle bed, described final drive shaft one end is provided with receiving space, the other end is provided with air inlet, described piston is arranged in the receiving space of final drive shaft, described jaw is arranged on final drive shaft, and described jaw extension spring is arranged between jaw and final drive shaft; By optimizing structure, reduce parts, adopt pneumatic outer clip and pneumatic interior swollen mode and provide structure simple, cost is lower, easy for installation, the Full-automation cutting table pneumatic chuck structure that working range is wider and the quality of production is higher.This patent structure optimization is embodied on main shaft, does not mention the position relationship between synchronizing wheel and main shaft.
And for example notification number is that the patent of invention of CN201220287U discloses a kind of pneumatic chuck being mainly used in lathe, it comprises shell, piston, piston rod and jaw, piston is cased, piston is fixedly connected with piston rod, the first chamber is formed between piston rear portion and shell, the second chamber is formed between piston front portion and the cover plate of shell, cover plate has perforate, piston rod passes perforate and is slidably matched with perforate, piston rod outer end and jaw load, shell or cover plate are fixed with ring set, ring set has the chute of the band conical surface, jaw back coordinates with slide.Clamping range of the present invention is comparatively large, and versatility is high; Replacing jaw is easy to operate, also has the feature that clamping force is large, clamp precision is high, safe and reliable, but does not equally also mention the contents such as the rotation of main shaft.
The numerical control scale-division pneumatic chuck cost of prior art is high, and volume is large, processing difficulties, is unfavorable for the reduction of the design of the automation equipment of measuring truck goods industry, layout and cost, hinders the development of such automatic machine.
[summary of the invention]
The invention provides a kind of numerical control scale-division pneumatic chuck, allow synchronizing wheel and integrated spindle axis, pneumatic pinch adopt the cylinder coaxial with main shaft to realize, simple and compact for structure, without the need to specialized process equipment and technique, volume is little, and cost is low.
The concrete technical scheme of the present invention is as follows: a kind of numerical control scale-division pneumatic chuck, comprise frame, collet, main shaft, cylinder, large synchronizing wheel, little synchronizing wheel and motor, described little synchronizing wheel is fixed on described motor rotation axis, described large synchronizing wheel is fixed on described main shaft, described large synchronizing wheel is driven by described little synchronizing wheel, the cylinder axis of described cylinder is positioned at described main shaft coaxial, and described collet is coaxially connected with described main shaft, and described main shaft is fixed in described frame.
Further, also comprise Timing Belt, described large synchronizing wheel is driven by described Timing Belt by described little synchronizing wheel.
Further, described electrical axis and described main axis parallel.
Further, described large synchronizing wheel and described little synchronizing wheel are gear, and described large synchronizing wheel is driven by gear drive by described little synchronizing wheel.
Further, described cylinder axis end fixing dress pull bar screw, described pull bar screw is coaxial with described cylinder axis, described pull bar screw microcephaly is fixed on described cylinder axis, described pull bar screw major part is connected with described collet, the cylinder axis of cylinder drives pull bar screw, and pull bar screw drives gripping means grips workpiece.
Further, described pull bar screw major part both sides are lined with facet bearing, and described main shaft is inner is also provided with plane bearing near described pull bar screw major part place, can prevent cylinder axis from following clamping device and rotate.
Further, described cylinder axis is provided with centre bore, and cylinder axis is run through, and gases at high pressure can be blown into clamping device by magnetic valve, can realize the clean of clamping device and automatic blanking function.
Further, described motor is stepper motor or servomotor, can realize any calibration being more than or equal to 1 unit pulse angle.The tensioning of Timing Belt regulates by the centre-to-centre spacing of motor and collet.
Further, described main shaft and described frame junction are also provided with bearing block.
Further, described bearing block and described main shaft junction are provided with bearing.
Further, also comprise being arranged on described cylinder and eject cylinder Connection Block, described in eject cylinder Connection Block is provided with and eject cylinder, described in eject cylinder and be axially installed with knock-pin, described centre bore runs through by described knock-pin.
Further, described in eject outside cylinder and be provided with external screw thread, described in eject on cylinder Connection Block and eject that cylinder junction is corresponding is provided with internal thread with described.
Further, ejecting cylinder described in can be aciculiform cylinder.
After adopting above scheme, this patent has following beneficial effect:
(1) synchronizing wheel and main shaft are with being integrated, and are positioned at the centre of two bearings, greatly saved space, simplified the structure;
(2) cylinder and collet are on the same axis, simplify the connection of collet and cylinder, improve the reliability of collet, and the reliability clamping workpiece is improved greatly;
(3) motor is stepper motor or servomotor, can realize any calibration being more than or equal to 1 unit pulse angle, and the tensioning of Timing Belt regulates by the centre-to-centre spacing of motor and collet;
(4) driving knock-pin to realize automatic discharging by ejecting cylinder, the stopping means that push rod can also replace original conventional chuck in-built, ejecting cylinder external screw thread by regulating, realizing more succinct adjustable limiting.
[accompanying drawing explanation]
Fig. 1 is the present invention's preferably external structure;
Fig. 2 is the present invention's preferably internal view;
Wherein: 1, main shaft; 2, cylinder; 3, little synchronizing wheel; 4, motor; 5, frame; 6, collet; 7, plane bearing; 8, bearing; 9, pull bar screw; 10, facet bearing; 11, Timing Belt; 12, bearing block; 13, large synchronizing wheel; 14, cylinder axis; 15, knock-pin; 16, cylinder Connection Block is ejected; 17, cylinder is ejected.
[detailed description of the invention]
Below in conjunction with detailed description of the invention, the present invention is further detailed explanation.
In order to those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
Be the present invention's preferably external structure and internal view as depicted in figs. 1 and 2, comprise frame 5, collet 6, main shaft 1, cylinder 2, large synchronizing wheel 13, little synchronizing wheel 3 and motor 4, described little synchronizing wheel 3 is fixed on described motor 4 turning cylinder, described large synchronizing wheel 13 is fixed on described main shaft 1, described large synchronizing wheel 13 is driven by described little synchronizing wheel 3, the cylinder axis 14 of described cylinder 2 is positioned at described main shaft 1 coaxial, described collet 6 is coaxially connected with described main shaft, described main shaft 1 is fixed in described frame 5, also comprise Timing Belt 11, described large synchronizing wheel 13 is driven by described Timing Belt 11 by described little synchronizing wheel 3, described motor 4 axis is parallel with described main shaft 1.
Described large synchronizing wheel 13 and described little synchronizing wheel 3 also can be gear, and now described large synchronizing wheel 13 is driven by gear drive by described little synchronizing wheel 3.Described large synchronizing wheel 13 is (2-4) with the ratio of the number of teeth of described little synchronizing wheel 3: 1.
Described cylinder axis 14 end is fixedly equipped with pull bar screw 9, and described pull bar screw 9 is coaxial with described cylinder axis 14, and described pull bar screw 9 microcephaly is fixed on described cylinder axis 14, and described pull bar screw 9 major part is connected with described collet 6; Described pull bar screw 9 major part both sides are lined with facet bearing 10, and described main shaft 1 is inner is also provided with plane bearing 7 near described pull bar screw 9 major part place; Described cylinder axis 14 is provided with centre bore; Described motor 4 is stepper motor or servomotor, can realize any calibration being more than or equal to 1 unit pulse angle, and the tensioning of Timing Belt regulates by the centre-to-centre spacing of motor and collet; Described main shaft 1 is also provided with bearing block 12 with described frame 5 junction; Described bearing block 12 is provided with bearing 8 with described main shaft 1 junction.
Also comprise being arranged on described cylinder 2 and eject cylinder Connection Block 16, described eject cylinder Connection Block 16 is provided with eject cylinder 17, the described cylinder 17 that ejects is axially installed with knock-pin 15, described centre bore runs through by described knock-pin 15, described ejecting outside cylinder 17 is provided with external screw thread, with described, described ejecting on cylinder Connection Block 16 ejects that cylinder 17 junction is corresponding is provided with internal thread, described in eject cylinder 17 for aciculiform cylinder.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (10)
1. a numerical control scale-division pneumatic chuck, it is characterized in that, comprise frame (5), collet (6), main shaft (1), cylinder (2), large synchronizing wheel (13), little synchronizing wheel (3) and motor (4), described little synchronizing wheel (3) is fixed on described motor (4) turning cylinder, described large synchronizing wheel (13) is fixed on described main shaft (1), described large synchronizing wheel (13) is driven by described little synchronizing wheel (3), the cylinder axis (14) of described cylinder (2) is positioned at described main shaft (1) coaxial, described collet (6) is coaxially connected with described main shaft, described main shaft (1) is fixed in described frame (5).
2. a kind of numerical control scale-division pneumatic chuck as claimed in claim 1, it is characterized in that, also comprise Timing Belt (11), described large synchronizing wheel (13) is driven by described Timing Belt (11) by described little synchronizing wheel (3), and described motor (4) axis is parallel with described main shaft (1).
3. a kind of numerical control scale-division pneumatic chuck as claimed in claim 1, it is characterized in that, described large synchronizing wheel (13) and described little synchronizing wheel (3) are gear, and described large synchronizing wheel (13) is driven by gear drive by described little synchronizing wheel (3).
4. a kind of numerical control scale-division pneumatic chuck as claimed in claim 1, it is characterized in that, described cylinder axis (14) end fixing dress pull bar screw (9), described pull bar screw (9) is coaxial with described cylinder axis (14), described pull bar screw (9) microcephaly is fixed on described cylinder axis (14), and described pull bar screw (9) major part is connected with described collet (6); Described pull bar screw (9) major part both sides are lined with facet bearing (10), and described main shaft (1) is inner is also provided with plane bearing (7) near described pull bar screw (9) major part place.
5. a kind of numerical control scale-division pneumatic chuck as claimed in claim 1, is characterized in that, described cylinder axis (14) is provided with centre bore.
6. a kind of numerical control scale-division pneumatic chuck as claimed in claim 1, is characterized in that, described motor (4) is stepper motor or servomotor.
7. a kind of numerical control scale-division pneumatic chuck as claimed in claim 1, is characterized in that, described main shaft (1) and described frame (5) junction are also provided with bearing block (12); Described bearing block (12) and described main shaft (1) junction are provided with bearing (8).
8. a kind of numerical control scale-division pneumatic chuck as claimed in claim 5, it is characterized in that, also comprise being arranged on described cylinder (2) and eject cylinder Connection Block (16), described eject cylinder Connection Block (16) is provided with eject cylinder (17), the described cylinder (17) that ejects is axially installed with knock-pin (15), and described centre bore runs through by described knock-pin (15).
9. a kind of numerical control scale-division pneumatic chuck as claimed in claim 8, it is characterized in that, described cylinder (17) outside that ejects is provided with external screw thread, described in eject cylinder Connection Block (16) upper and describedly eject that cylinder (17) junction is corresponding is provided with internal thread.
10. a kind of numerical control scale-division pneumatic chuck as claimed in claim 9, is characterized in that, described in eject cylinder (17) for aciculiform cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520466367.2U CN204725243U (en) | 2015-07-01 | 2015-07-01 | A kind of numerical control scale-division pneumatic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520466367.2U CN204725243U (en) | 2015-07-01 | 2015-07-01 | A kind of numerical control scale-division pneumatic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204725243U true CN204725243U (en) | 2015-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520466367.2U Expired - Fee Related CN204725243U (en) | 2015-07-01 | 2015-07-01 | A kind of numerical control scale-division pneumatic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204725243U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033757A (en) * | 2015-07-01 | 2015-11-11 | 孙金曦 | Numerical control indexing pneumatic chuck |
| CN105382630A (en) * | 2015-12-02 | 2016-03-09 | 贵州汉诺威数控机床有限公司 | Multifunctional combined indexing mechanism |
-
2015
- 2015-07-01 CN CN201520466367.2U patent/CN204725243U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033757A (en) * | 2015-07-01 | 2015-11-11 | 孙金曦 | Numerical control indexing pneumatic chuck |
| CN105382630A (en) * | 2015-12-02 | 2016-03-09 | 贵州汉诺威数控机床有限公司 | Multifunctional combined indexing mechanism |
| CN105382630B (en) * | 2015-12-02 | 2017-11-07 | 贵州汉诺威数控机床有限公司 | A kind of multi-functional compound indexing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20180701 |