CN203636109U - Small supporting seat bearing device of gear hobbing machine - Google Patents
Small supporting seat bearing device of gear hobbing machine Download PDFInfo
- Publication number
- CN203636109U CN203636109U CN201320883572.XU CN201320883572U CN203636109U CN 203636109 U CN203636109 U CN 203636109U CN 201320883572 U CN201320883572 U CN 201320883572U CN 203636109 U CN203636109 U CN 203636109U
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- China
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- little bracket
- hobbing machine
- gear
- pressing plate
- little
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Abstract
The utility model discloses a small supporting seat bearing device of a gear hobbing machine. The small supporting seat bearing device of the gear hobbing machine comprises a tool rest, a small supporting seat, an upper guide rail pressing plate and a lower guide rail pressing plate, wherein the upper guide rail pressing plate and the lower guide rail pressing plate are fixed on the tool rest and used for limiting the small supporting seat, an upper dovetail guide rail and a lower dovetail guide rail which are parallel, formed in the tool rest and used for supporting the small supporting seat are respectively arranged on the lower surface of the upper guide rail pressing plate and the lower guide rail pressing plate, a chute is arranged in the middle of the tool rest and parallel to the upper guide rail pressing plate, and the bottom of the small supporting seat extends to form a slide block in contact with the chute and used for supporting the small supporting seat. The small supporting seat bearing device of the gear hobbing machine improves the contact rigidity of the small supporting seat and the tool rest, the small supporting seat positioning accuracy and the machining accuracy of the gear hobbing machine.
Description
Technical field
The utility model belongs to gear-hobbing machine technical field, specifically relates to the little bracket supporting arrangement of a kind of gear-hobbing machine.
Background technology
Large-scale general hobbing machine or chain digital control gear hobbing machine are in the time installing hobboing cutter operation, need to little bracket be arranged on dovetail guide by suspender, and on dovetail guide, move to relative position, main shaft and the hobboing cutter guide rod of little bracket are closely connected, and then lock hobboing cutter with locking nut, while taking off hobboing cutter operation, first unclamp locking nut, mobile little bracket, by suspender, little bracket is removed again, because existing little bracket guide rail is dovetail guide, existing little bracket is connected the little cutting plane that supporting portion is upper and lower end parts with tool holder casing, due to mobile little bracket on the lower dovetail guide of being everlasting, cause lower dovetail guide to have certain wearing and tearing, in the time heavily cutting machining large-modulus gear, because of cutting hobbing power very large, make little bracket have certain distortion, thereby affect gear-hobbing machine machining accuracy.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of gear-hobbing machine little bracket supporting arrangement, and the little bracket supporting arrangement of this gear-hobbing machine has improved the rigidity that contacts of little bracket and knife rest, improves little bracket positioning precision, has improved the machining accuracy of gear-hobbing machine.
For achieving the above object, the little bracket supporting arrangement of the utility model gear-hobbing machine, comprise knife rest, little bracket, be fixed on knife rest for the spacing upper rail pressing plate of little bracket and lower guideway pressing plate, on described upper rail pressing plate lower surface and lower guideway pressing plate respectively and between knife rest, be configured for supporting little bracket and the upper dovetail guide being parallel to each other and lower dovetail guide, in the middle of described knife rest, parallel upper dovetail guide direction is provided with chute, and described little bracket bottom is extended to be provided with and contacted with chute and for supporting the slide block of little bracket.
Further, described slider bottom is provided with pad.
Further, described slider bottom is set to circular arc.
Further, between described little bracket and upper dovetail guide, be provided with voussoir, described voussoir comprises inclined-plane panel and is arranged on the fixed head of inclined-plane panel afterbody, described inclined-plane panel upper surface, lower surface are closely connected with upper rail pressing plate lower surface and little bracket upper surface respectively, on described fixed head, be provided with fixing hole, on described fixing hole, be provided with the bolt for being fixedly connected with little bracket.
Further, between described bolt upper cap nut and fixed head, on screw rod, be set with dish spring.
Further, on described screw rod, be also set with sleeve, described dish spring is sleeved on sleeve and two ends are respectively arranged with pad I and pad II, described sleeve one end is connected with nut by pad I, the other end is connected with pad III through fixing hole, and described pad III is pressed on fixed head by a pair of nut that holds out against.
Further, described voussoir is set to a pair of and in the same plane being symmetrical arranged.
Further, the angle between described inclined-plane panel upper surface upper surface and knife rest is set to 64 °, and the angle between described inclined-plane panel lower surface and knife rest is set to 55 °.
The beneficial effects of the utility model are:
1, the utility model extends and is provided with slide block to knife rest direction by support hobcutter position in little bracket middle part, and make slider bottom contact laminating with knife rest upper hopper chute, its contact hardness is checked and accepted according to 6 class precisions, in the time of gear hobbing processing operation, little bracket is supported by original dovetail guide up and down, increase the slide block contact supporting of little bracket bottom, increase the contact area of little bracket and knife rest, particularly after lower dovetail guide wearing and tearing, in dependence, dovetail guide and slide block still can keep little bracket positioning precision, reach the object of the machining accuracy that improves gear-hobbing machine.
2, the little bracket supporting arrangement of the utility model gear-hobbing machine by being provided with voussoir between upper rail pressing plate and little bracket, between little bracket and upper dovetail guide, gap is fixed by the inclined-plane panel jam-pack on voussoir, the fixed head of voussoir afterbody is by pad II, butterfly spring, pad I compresses and is connected with bolt, on bolt, screw rod is through sleeve, pad and nut are connected with little bracket, in the time of the fixing little bracket of need, screw rod is tightened, by disc spring force, little bracket is fixed, tightening position can regulate by two nuts, while loosening, only screw rod need be exited, this device has simple in structure, positioning precision is high, low cost of manufacture, adjust the features such as easy for installation, preferably resolve chain digital control gear hobbing machine add man-hour because the little bracket of knife rest supports the unstable problem that machining accuracy is low that causes.
Brief description of the drawings
Fig. 1 is the structure side view that adopts gear-hobbing machine of the present utility model;
Fig. 2 is the structure side view that adopts gear-hobbing machine of the present utility model;
Fig. 3 is the cutaway view of the little bracket supporting arrangement of the utility model gear-hobbing machine;
Fig. 4 is the structural representation of voussoir in Fig. 3.
Reference numeral: 1-knife rest; The little bracket of 2-; 3-lower guideway pressing plate; 4-upper rail pressing plate; 5-voussoir; 5a-inclined-plane panel; 5b-fixed head; 5c-fixing hole; 6-bolt; 7-dish spring; 8-pad I; 9-pad II; 10-sleeve; 11-pad III; 12-nut; 13-holding screw; The upper dovetail guide of 21-; Dovetail guide under 22-; 23-chute; 24-slide block; 25-pad.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Be illustrated in figure 1 the structure side view that adopts gear-hobbing machine of the present utility model; Be illustrated in figure 2 the structure side view that adopts gear-hobbing machine of the present utility model; The little bracket supporting arrangement of the utility model gear-hobbing machine comprises knife rest 1, little bracket 2, be fixed on knife rest 1 for the spacing upper rail pressing plate 4 of little bracket 2 and lower guideway pressing plate 3, on described upper rail pressing plate 4 lower surfaces and lower guideway pressing plate 3 respectively and between knife rest 1, be configured for supporting little bracket 2 and the upper dovetail guide 21 being parallel to each other and lower dovetail guide 22, in the middle of described knife rest 1, parallel upper dovetail guide 21 directions are provided with chute 23, and described little bracket 2 bottoms are extended to be provided with and contacted with chute 23 and for supporting the slide block 24 of little bracket.
The present embodiment extends and is provided with slide block 24 to knife rest direction by support hobcutter position in little bracket middle part, and make slide block 24 bottoms contact laminating with knife rest upper hopper chute 23, its contact hardness is checked and accepted according to 6 class precisions, in the time of gear hobbing processing operation, little bracket is supported by original dovetail guide up and down, increase the slide block contact supporting of little bracket bottom, increase the contact area of little bracket and knife rest, particularly after lower dovetail guide wearing and tearing, in dependence, dovetail guide and slide block still can keep little bracket positioning precision, reach the object of the machining accuracy that improves gear-hobbing machine
Further, preferred described slide block 24 bottoms are provided with pad 25, and pad 25 is fixed on slide block by dormant bolt, this structure is conducive to change the pad 25 of serious wear, avoid the wearing and tearing of little bracket and knife rest, the service life of extension carriage and little bracket, the processing cost of reduction gear-hobbing machine.
Further, described slide block 24 bottoms are set to circular arc, the little bracket 2 of the favourable installation of this structure.
Be illustrated in figure 3 the cutaway view of the little bracket upper rail of the utility model gear-hobbing machine stopping means; Be illustrated in figure 4 the structural representation of voussoir in Fig. 3.Between preferred described little bracket 2 and upper dovetail guide 21, be provided with voussoir 5, described voussoir 5 comprises inclined-plane panel 5a and is arranged on the fixed head 5b of inclined-plane panel 5a afterbody, described inclined-plane panel 5a upper surface, lower surface are closely connected with upper rail pressing plate 4 lower surfaces and little bracket 2 upper surfaces respectively, on described fixed head 5b, be provided with fixing hole 5c, on described fixing hole 5c, be provided with the bolt 6 for being fixedly connected with little bracket 2.
The present embodiment by being provided with voussoir 5 between upper rail pressing plate 4 and little bracket 2, between little bracket 2 and upper dovetail guide 21, gap is fixed by the inclined-plane panel 5a jam-pack on voussoir 5, the fixed head 5b of voussoir 5 afterbodys is by being fixedly connected with bolt 6 and little bracket 2, in the time of the fixing little bracket 2 of need, only need bolt 6 to tighten, only need be by loosening bolt 6 while loosening, , make the certain gap of panel 5a slippage, inclined-plane, can make little bracket 2 form easily slip on lower dovetail guide between by lower guideway pressing plate 3 lower surfaces and knife rest 1, this device has simple in structure, positioning precision is high, low cost of manufacture, adjust the features such as easy for installation, preferably resolve chain digital control gear hobbing machine add man-hour because the little bracket of knife rest supports the unstable problem that machining accuracy is low that causes.
Further, between preferred described bolt 6 upper cap nuts and fixed head 5b, on screw rod, be set with dish spring 7, facilitate inclined-plane panel 5a slippage by being provided with dish spring 7, avoid inclined-plane panel 5a stuck.
Further, on preferred described screw rod, be also set with sleeve 10, described dish spring 7 is sleeved on sleeve 10 and two ends are respectively arranged with pad I 8 and pad II 9, described sleeve 10 one end are connected with nut by pad I 8, the other end is connected with pad III 11 through fixing hole 5c, described pad III 11 is pressed on fixed head 5c by a pair of nut 12 that holds out against, when the present embodiment is fixed little bracket when needs, voussoir 5 is by pad II 9, butterfly spring 7, pad I 8 compresses and is connected with bolt 6, by disc spring force, voussoir 5 and upper rail pressing plate 4 are fixed little bracket 2, on bolt 6, screw rod is through sleeve 10, pad III 11 and hold out against nut 12 and be connected with little bracket 2, tightening position can hold out against nut 12 by two and regulate, when mobile little bracket, only bolt 6 need be exited.
Further, preferred described voussoir 5 is set to a pair of and in the same plane being symmetrical arranged, this structure be conducive to fixing little bracket position, make little bracket supporting & stablizing reliable.
Further, angle between preferred described inclined-plane panel 5a upper surface upper surface and knife rest 1 is set to 64 °, angle between described inclined-plane panel 5a lower surface and knife rest 1 is set to 55 °, and this structure is conducive to improve the positioning precision of little bracket, knife rest and inclined-plane panel.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.
Claims (8)
1. the little bracket supporting arrangement of gear-hobbing machine, comprise knife rest, little bracket, be fixed on knife rest for the spacing upper rail pressing plate of little bracket and lower guideway pressing plate, on described upper rail pressing plate lower surface and lower guideway pressing plate respectively and between knife rest, be configured for supporting little bracket and the upper dovetail guide being parallel to each other and lower dovetail guide, it is characterized in that: in the middle of described knife rest, parallel upper dovetail guide direction is provided with chute, described little bracket bottom is extended to be provided with and is contacted with chute and for supporting the slide block of little bracket.
2. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 1, is characterized in that: described slider bottom is provided with pad.
3. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 1, is characterized in that: described slider bottom is set to circular arc.
4. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 1, it is characterized in that: between described little bracket and upper dovetail guide, be provided with voussoir, described voussoir comprises inclined-plane panel and is arranged on the fixed head of inclined-plane panel afterbody, described inclined-plane panel upper surface, lower surface are closely connected with upper rail pressing plate lower surface and little bracket upper surface respectively, on described fixed head, be provided with fixing hole, on described fixing hole, be provided with the bolt for being fixedly connected with little bracket.
5. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 4, is characterized in that: between described bolt upper cap nut and fixed head, on screw rod, be set with dish spring.
6. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 5, it is characterized in that: on described screw rod, be also set with sleeve, described dish spring is sleeved on sleeve and two ends are respectively arranged with pad I and pad II, described sleeve one end is connected with nut by pad I, the other end is connected with pad III through fixing hole, and described pad III is pressed on fixed head by a pair of nut that holds out against.
7. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 6, is characterized in that: described voussoir is set to a pair of and in the same plane being symmetrical arranged.
8. the little bracket supporting arrangement of gear-hobbing machine as claimed in claim 7, is characterized in that: the angle between described inclined-plane panel upper surface upper surface and knife rest is set to 64 °, the angle between described inclined-plane panel lower surface and knife rest is set to 55 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883572.XU CN203636109U (en) | 2013-12-30 | 2013-12-30 | Small supporting seat bearing device of gear hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883572.XU CN203636109U (en) | 2013-12-30 | 2013-12-30 | Small supporting seat bearing device of gear hobbing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636109U true CN203636109U (en) | 2014-06-11 |
Family
ID=50867389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883572.XU Expired - Fee Related CN203636109U (en) | 2013-12-30 | 2013-12-30 | Small supporting seat bearing device of gear hobbing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028851A (en) * | 2014-06-13 | 2014-09-10 | 重庆机床(集团)有限责任公司 | Gear hobbing machine small holder repeated positioning and locking device |
-
2013
- 2013-12-30 CN CN201320883572.XU patent/CN203636109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028851A (en) * | 2014-06-13 | 2014-09-10 | 重庆机床(集团)有限责任公司 | Gear hobbing machine small holder repeated positioning and locking device |
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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: 20140611 Termination date: 20191230 |