CN204504417U - A kind of accurate quick installation mechanism of gear-hobbing machine broach shell - Google Patents
A kind of accurate quick installation mechanism of gear-hobbing machine broach shell Download PDFInfo
- Publication number
- CN204504417U CN204504417U CN201520037073.8U CN201520037073U CN204504417U CN 204504417 U CN204504417 U CN 204504417U CN 201520037073 U CN201520037073 U CN 201520037073U CN 204504417 U CN204504417 U CN 204504417U
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- China
- Prior art keywords
- inserted block
- broach shell
- chamber
- main shaft
- gear
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Abstract
Utility model relates to gear-hobbing machine technical field, in particular to a kind of accurate quick installation mechanism of gear-hobbing machine broach shell, comprise main shaft (1) and broach shell (2), main shaft (1) is provided with internal cavity (1-3), air intake duct (1-1) and relief tube (1-2), and the bottom of internal cavity (1-3) is connected with broach shell chamber (1-4) and communicates; Air intake duct (1-1) is all connected with the sidewall of internal cavity (1-3) with relief tube (1-2) one end, air intake duct (1-1) other end stretches out main shaft (1) and is connected with check valve (6) and snap joint (9) outward in turn, and snap joint (9) other end is connected with negative pressure device; Relief tube (1-2) other end stretches out main shaft (1) and is connected with valve (7) outward; Communication channel (2-2) is all connected with broach shell chamber (1-4) with cover inserted block chamber (2-1) and communicates, inserted block one end is fixedly connected with sucker (4), inserted block (3) is closely nested in axle inserted block chamber and cover inserted block chamber (2-1) successively, and sucker (4) is sticked on the interior diapire of cover inserted block chamber (2-1).When using the utility model, greatly improving installation effectiveness and installation quality, reducing and labour intensity is installed, improve gear hobbing precision.It is simple that the utility model has structure, arranges rationally, the advantages such as cost of manufacture is low.
Description
Technical field
The utility model relates to gear-hobbing machine technical field, particularly a kind of accurate quick installation mechanism of gear-hobbing machine broach shell.
Background technology
During large-sized numerical control manufacturing gear for hobbing machine, because processing modulus is large, the cutting force of broach shell main shaft also increases thereupon, gear hobbing precise decreasing, only improves the connection rigidity between gear-hobbing machine main shaft and broach shell, could Reliable guarantee gear hobbing precision.For reaching the object of the connection rigidity strengthening broach shell and main shaft, the requirement that the step surface that need meet broach shell contacts with taper hole with the left side of main shaft with the conical surface simultaneously, this just need broach shell to put into main shaft orientation good after while again to broach shell axial tension, make the conical surface of broach shell produce certain deflection, ensure that the left side of the broach shell conical surface and step surface main shaft contacts with taper hole simultaneously.
The tension of existing broach shell mainly adopts manually tension, and due to pull bar longer, tension and adjustment are wasted time and energy all very much.And because manual tightening force is less, the broach shell conical surface and step surface cannot be made to contact with taper hole with the left side of main shaft, be taper-face contact usually simultaneously, cause the contact stiffness of broach shell not enough, gear hobbing precise decreasing.Therefore be necessary to carry out technological innovation further to the syndeton of existing broach shell and main shaft.
Utility model content
The purpose of this utility model is defect for prior art and deficiency, provides a kind of structure simple, the accurate quick installation mechanism of gear-hobbing machine broach shell reasonable in design, easy to use.
For achieving the above object, the technical solution adopted in the utility model is:
The accurate quick installation mechanism of a kind of gear-hobbing machine broach shell described in the utility model, comprises main shaft and broach shell, and broach shell is plugged in the broach shell chamber of main shaft; It also includes multiple inserted block, and described main shaft is provided with internal cavity, air intake duct and relief tube, and the bottom of this internal cavity is connected with broach shell chamber and communicates; Described air intake duct is all connected with the sidewall of internal cavity with relief tube one end, and the air intake duct other end stretches out after outside main shaft and is connected with check valve and snap joint in turn, and the snap joint other end is connected with negative pressure device; The relief tube other end stretches out after outside main shaft and is connected with valve; Described broach shell is annularly symmetrically arranged with at least two cover inserted block chambeies matched mutually with inserted block, and described main shaft is annularly symmetrically arranged with at least two axle inserted block chambeies matched mutually with inserted block; Described broach shell is annularly symmetrically arranged with and the communication channel overlapping inserted block chamber and match mutually, and communication channel one end is connected with cover inserted block chamber and communicates, and the communication channel other end is connected with broach shell chamber and communicates; Described inserted block one end is fixedly connected with sucker, and inserted block is closely nested in axle inserted block chamber and cover inserted block chamber successively, and sucker paster is located on the interior diapire in cover inserted block chamber.
Further, the described inserted block other end is fixedly connected with draw ring.
Further, the annular groove of described broach shell is closely embedded with sealing ring.
After adopting said structure, the utility model beneficial effect is: the accurate quick installation mechanism of a kind of gear-hobbing machine broach shell described in the utility model, comprises main shaft and broach shell, and broach shell is plugged in the broach shell chamber of main shaft; It also includes multiple inserted block, and described main shaft is provided with internal cavity, air intake duct and relief tube, and the bottom of this internal cavity is connected with broach shell chamber and communicates; Described air intake duct is all connected with the sidewall of internal cavity with relief tube one end, and the air intake duct other end stretches out after outside main shaft and is connected with check valve and snap joint in turn, and the snap joint other end is connected with negative pressure device; The relief tube other end stretches out after outside main shaft and is connected with valve; Described broach shell is annularly symmetrically arranged with at least two cover inserted block chambeies matched mutually with inserted block, and described main shaft is annularly symmetrically arranged with at least two axle inserted block chambeies matched mutually with inserted block; Described broach shell is annularly symmetrically arranged with and the communication channel overlapping inserted block chamber and match mutually, and communication channel one end is connected with cover inserted block chamber and communicates, and the communication channel other end is connected with broach shell chamber and communicates; Described inserted block one end is fixedly connected with sucker, and inserted block is closely nested in axle inserted block chamber and cover inserted block chamber successively, and sucker paster is located on the interior diapire in cover inserted block chamber.When using the utility model, broach shell being stretched in broach shell chamber, by inserted block, broach shell being fixed on main shaft; By negative pressure device, internal cavity, broach shell chamber and communication channel are become negative pressure state, sucker is just tightly adsorbed on the interior diapire in cover inserted block chamber, realizes fixing inserted block; Make broach shell be subject to negative-pressure sucking effect simultaneously, make broach shell move upward axial generation, ensure that the left side of the broach shell conical surface and step surface main shaft contacts with taper hole simultaneously, drastically increase installation effectiveness and installation quality, reduce and labour intensity is installed, raising gear hobbing precision.It is simple that the utility model has structure, arranges rationally, the advantages such as cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A sectional view in Fig. 1;
Description of reference numerals:
1, main shaft; 1-1, air intake duct; 1-2, relief tube; 1-3, internal cavity; 1-4, broach shell chamber;
2, broach shell; 2-1, cover inserted block chamber; 2-2, communication channel;
3, inserted block; 4, sucker; 5, sealing ring; 6, check valve; 7, valve; 8, draw ring;
9, snap joint.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1-2, the accurate quick installation mechanism of a kind of gear-hobbing machine broach shell described in the utility model, comprises main shaft 1 and broach shell 2, and broach shell 2 is plugged in the broach shell chamber 1-4 of main shaft 1; It also includes multiple inserted block 3, and described main shaft 1 is provided with internal cavity 1-3, air intake duct 1-1 and relief tube 1-2, and the bottom of this internal cavity 1-3 is connected with broach shell chamber 1-4 and communicates; Described air intake duct 1-1 is all connected with the sidewall of internal cavity 1-3 with relief tube 1-2 one end, and the air intake duct 1-1 other end stretches out after outside main shaft 1 and is connected with check valve 6 and snap joint 9 in turn, and snap joint 9 other end is connected with negative pressure device; The relief tube 1-2 other end stretches out after outside main shaft 1 and is connected with valve 7.
Described broach shell 2 is annularly symmetrically arranged with at least two cover inserted block chamber 2-1 matched mutually with inserted block 3, and described main shaft 1 is annularly symmetrically arranged with at least two axle inserted block chambeies matched mutually with inserted block 3; Described broach shell 2 is annularly symmetrically arranged with and the communication channel 2-2 overlapping inserted block chamber 2-1 phase and match, and communication channel 2-2 one end is connected with cover inserted block chamber 2-1 and communicates, and the communication channel 2-2 other end is connected with broach shell chamber 1-4 and communicates; Described inserted block 3 one end is fixedly connected with sucker 4, and inserted block 3 is closely nested in axle inserted block chamber and cover inserted block chamber 2-1 successively, and sucker 4 to be sticked in cover inserted block chamber 2-1 on diapire.
Further, described inserted block 3 other end is fixedly connected with draw ring 8, by draw ring 8, inserted block 3 is extracted from axle inserted block chamber and cover inserted block chamber 2-1, is greatly user-friendly to.
Further, the annular groove of described broach shell 2 is closely embedded with sealing ring 5, improves the tight ness rating of broach shell 2 and broach shell chamber 1-4 cooperation, can prevent pressure release simultaneously.
When using the utility model, broach shell being stretched in broach shell chamber, by inserted block, broach shell being fixed on main shaft; By negative pressure device, internal cavity, broach shell chamber and communication channel are become negative pressure state, sucker is just tightly adsorbed on the interior diapire in cover inserted block chamber, realizes fixing inserted block; Make broach shell be subject to negative-pressure sucking effect simultaneously, make broach shell move upward axial generation, ensure that the left side of the broach shell conical surface and step surface main shaft contacts with taper hole simultaneously, drastically increase installation effectiveness and installation quality, reduce and labour intensity is installed, raising gear hobbing precision.In addition, this structure is simple, reasonable in design, low cost of manufacture.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (3)
1. an accurate quick installation mechanism for gear-hobbing machine broach shell, comprises main shaft (1) and broach shell (2), and broach shell (2) is plugged in the broach shell chamber (1-4) of main shaft (1); It is characterized in that: it also includes multiple inserted block (3), described main shaft (1) is provided with internal cavity (1-3), air intake duct (1-1) and relief tube (1-2), and the bottom of this internal cavity (1-3) is connected with broach shell chamber (1-4) and communicates; Described air intake duct (1-1) is all connected with the sidewall of internal cavity (1-3) with relief tube (1-2) one end, air intake duct (1-1) other end stretches out main shaft (1) and is connected with check valve (6) and snap joint (9) outward in turn, and snap joint (9) other end is connected with negative pressure device; Relief tube (1-2) other end stretches out main shaft (1) and is connected with valve (7) outward;
Described broach shell (2) is annularly symmetrically arranged with at least two cover inserted block chambeies (2-1) matched mutually with inserted block (3), and described main shaft (1) is annularly symmetrically arranged with at least two axle inserted block chambeies matched mutually with inserted block (3); Described broach shell (2) is annularly symmetrically arranged with and the communication channel (2-2) overlapping inserted block chamber (2-1) and match mutually, and communication channel (2-2) one end is connected with cover inserted block chamber (2-1) and communicates, and communication channel (2-2) other end is connected with broach shell chamber (1-4) and communicates; Described inserted block (3) one end is fixedly connected with sucker (4), and inserted block (3) is closely nested in axle inserted block chamber and cover inserted block chamber (2-1) successively, and sucker (4) is sticked on the interior diapire of cover inserted block chamber (2-1).
2. the accurate quick installation mechanism of a kind of gear-hobbing machine broach shell according to claim 1, is characterized in that: described inserted block (3) other end is fixedly connected with draw ring (8).
3. the accurate quick installation mechanism of a kind of gear-hobbing machine broach shell according to claim 1, is characterized in that: the annular groove of described broach shell (2) is closely embedded with sealing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037073.8U CN204504417U (en) | 2015-01-20 | 2015-01-20 | A kind of accurate quick installation mechanism of gear-hobbing machine broach shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037073.8U CN204504417U (en) | 2015-01-20 | 2015-01-20 | A kind of accurate quick installation mechanism of gear-hobbing machine broach shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204504417U true CN204504417U (en) | 2015-07-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520037073.8U Expired - Fee Related CN204504417U (en) | 2015-01-20 | 2015-01-20 | A kind of accurate quick installation mechanism of gear-hobbing machine broach shell |
Country Status (1)
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|---|---|
| CN (1) | CN204504417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621272A (en) * | 2020-12-25 | 2021-04-09 | 池州市邦鼐机电科技有限公司 | Ball screw pair positioning and clamping device |
-
2015
- 2015-01-20 CN CN201520037073.8U patent/CN204504417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621272A (en) * | 2020-12-25 | 2021-04-09 | 池州市邦鼐机电科技有限公司 | Ball screw pair positioning and clamping 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 |
Granted publication date: 20150729 Termination date: 20170120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |