CN204524817U - Dry cutting gear-hobbing machine directly drives workbench - Google Patents
Dry cutting gear-hobbing machine directly drives workbench Download PDFInfo
- Publication number
- CN204524817U CN204524817U CN201420835446.1U CN201420835446U CN204524817U CN 204524817 U CN204524817 U CN 204524817U CN 201420835446 U CN201420835446 U CN 201420835446U CN 204524817 U CN204524817 U CN 204524817U
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- China
- Prior art keywords
- workbench
- main shaft
- dish
- hobbing machine
- dry cutting
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Abstract
The utility model discloses a kind of dry cutting gear-hobbing machine and directly drive workbench, the workbench comprising main shaft, be arranged on the workbench housing outside described main shaft and be fixedly connected with described main shaft one end, the center of described main shaft is provided with through hole, pull bar is provided with in described through hole, described main shaft is provided with angling cylinder away from one end of described workbench, is threaded connection structure and is connected between described angling cylinder with described pull bar; Also comprise the position sensor for measuring described angling cylinder stroke.Dry cutting gear-hobbing machine of the present utility model directly drives workbench, pull bar is driven by arranging angling cylinder, and the stroke of setting position sensor measurement angling cylinder, the Automatic-clamping of the gear-hobbing clamp installed on the table can be realized, and automatically detect tension travel by position sensor and whether put in place; In addition, position sensor can detect diverse location does not need artificial adjustment, handled easily, falls end labour intensity.
Description
Technical field
The utility model belongs to gear-hobbing machine technical field, is specifically related to a kind of dry cutting gear-hobbing machine and directly drives workbench.
Background technology
Traditional numeric-control gear hobbing machine worktable generally adopts high accuracy worm gear or gear pair transmission to carry out transmitting torque, and eliminates transmission gap by anti-backlash mechanism, and ensure transmission accuracy, this transmission must cause the existence of mechanical friction, affects workbench velocity of rotation.In dry cutting gear-hobbing machine, require very high to cutting speed, but also need the rotating accuracy ensureing workbench, existing Working table structure can not satisfy the demands.If whether tradition gear hobbing machine worktable fixture automatic tension detects by two position switch to put in place, but the stroke alteration of tension, need to readjust two proximity switch positions, because workbench is contained in lathe bed inside, cause adjustment very difficult.
In existing dry cutting gear-hobbing machine, the seal form of workbench mainly contains contact seal and non-contacting seal two kinds, because workbench operationally has gyration at a high speed, therefore, according to contact type sealing structure, then can cause a large amount of frictional heatings.According to non-contacting sealing structure, when dry cutting gear-hobbing machine accidentally shut down stop the supple of gas or steam time, its inside easily forms negative pressure, then foreign matter can be caused to be inhaled into from non-contacting sealing structure, and bearing is easily stuck.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of dry cutting gear-hobbing machine directly to drive workbench, can the automatic tension stroke of accurate surveying work platform fixture, and does not need artificial adjustment, reduces labourer's burden.
For achieving the above object, the utility model provides following technical scheme:
A kind of dry cutting gear-hobbing machine directly drives workbench, the workbench comprising main shaft, be arranged on the workbench housing outside described main shaft and be fixedly connected with described main shaft one end, the center of described main shaft is provided with through hole, pull bar is provided with in described through hole, described main shaft is provided with angling cylinder away from one end of described workbench, is threaded connection structure and is connected between described angling cylinder with described pull bar; Also comprise the position sensor for measuring described angling cylinder stroke.
Further, the rotation be also provided with in described workbench housing as described workbench provides the direct driving motor of moment, and described direct driving motor comprises the motor stator be fixedly connected with described workbench housing and the rotor be fixedly set on described main shaft.
Further, on described main shaft, cover is equiped with rotor and connects dish, and described rotor connects dish and is fixedly connected with rotor with described main shaft respectively.
Further, described workbench housing is provided with away from one end of described workbench the bearing block be sleeved on described main shaft, bearing group I is provided with between described bearing block and described main shaft, described main shaft is provided with and is fixedly connected with it and connects dish under coordinating with the inner ring of described bearing group I, described angling cylinder be fixedly mounted on described under connect on dish.
Further, connect dish under described and be provided with circular grating chi, correspondingly with described circular grating chi on described bearing block be provided with grating ruler reading head.
Further; described bearing block is fixed with the interior protective cover covered on described circular grating chi and grating ruler reading head; described workbench housing is also provided with cover on described interior protective cover and under connect outer protective cover outside dish, connect under described between dish with described outer protective cover and be provided with V-shaped seal ring I.
Further, described workbench housing is provided with bearing group II near between one end of described workbench and described main shaft, described workbench housing is fixed with coordinate with the outer ring of described bearing group II on connect dish, connect on described dish with described workbench between be provided with V-shaped seal ring II.
Further, described workbench is provided with the axial extension for coordinating with the inner ring of described bearing group II, connecing dish matched in clearance on described is sleeved on described axial extension, and described on connect card and be provided with seal groove to the end face of described workbench, described V-shaped seal ring II is arranged in described seal groove, and described on connect dish and be provided with the annular air inlet duct be connected with described seal groove between described workbench, the air admission hole being provided with and communicating with described annular air inlet duct is connect in dish on described, described V-shaped seal ring II is provided with and extends along the radially outer direction of described workbench and towards the sealing lip of described workbench warpage.
Further, described air admission hole is arranged on the tangential direction of described annular air inlet duct, and described sealing lip contacts with the bottom surface of described workbench when free state and coordinates.
Further, described workbench and described on connect matched in clearance between dish and form gas outlet, the outgassing direction of described gas outlet dorsad described workbench and with the axis being parallel of described main shaft.
The beneficial effects of the utility model are:
Dry cutting gear-hobbing machine of the present utility model directly drives workbench, pull bar is driven by arranging angling cylinder, and the stroke of setting position sensor measurement angling cylinder, the Automatic-clamping of the gear-hobbing clamp installed on the table can be realized, and automatically detect tension travel by position sensor and whether put in place; In addition, position sensor can detect diverse location does not need artificial adjustment, handled easily, falls end labour intensity.
By arranging direct driving motor in workbench housing, can Direct driver main shaft and worktable rotary, and utilize circular grating chi to measure the position of rotation of main shaft, can effectively improve main shaft running accuracy and positioning precision.
By arranging sealing lip on V-shaped seal ring II, when dry cutting gear-hobbing machine is started shooting, ventilated in annular air inlet duct by air admission hole, gas leads to seal groove through annular air inlet duct, sealing lip is depressed under the influence of air pressure, make the matching relationship between its with workbench be contactless cooperation, effectively can prevent heating; When dry cutting gear-hobbing machine accidentally shut down stop the supple of gas or steam time or air admission hole die suddenly time, under the effect of negative pressure, sealing lip is upturned and coordinates with the Contact of workbench, can prevent negative pressure from sucking impurity, avoid bearing contaminated.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structure that dry cutting gear-hobbing machine of the present utility model directly drives workbench embodiment is schematic diagram;
Fig. 2 be workbench and on connect sealed structural representation between dish;
Fig. 3 is the structural representation of V-shaped seal ring II.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, the structure of directly driving workbench embodiment for dry cutting gear-hobbing machine of the present utility model is schematic diagram.The dry cutting gear-hobbing machine of the present embodiment directly drives workbench, the workbench 3 comprising main shaft 1, be arranged on the workbench housing 2 outside main shaft 1 and be fixedly connected with main shaft 1 one end, the center of main shaft 1 is provided with through hole 4, pull bar 5 is provided with in through hole 4, main shaft 1 is provided with angling cylinder 6 away from one end of workbench 3, is threaded connection structure and is connected between angling cylinder 6 with pull bar 5.The dry cutting gear-hobbing machine of the present embodiment directly drives workbench and also comprises position sensor 7 for measuring angling cylinder 6 stroke.
The dry cutting gear-hobbing machine of the present embodiment directly drives workbench, pull bar 5 is driven by arranging angling cylinder 6, and the stroke of angling cylinder 6 measured by setting position sensor 7, the Automatic-clamping of the gear-hobbing clamp be arranged on workbench 3 can be realized, and whether put in place by the automatic tension travel that detects of position sensor 7; In addition, position sensor 7 pairs of diverse locations can detect and not need artificial adjustment, handled easily, fall end labour intensity.
Further, the rotation be also provided with in workbench housing 2 as workbench 3 provides the direct driving motor of moment, and direct driving motor comprises the motor stator 8 be fixedly connected with workbench housing 2 and the rotor 9 be fixedly set on main shaft 1.On the main shaft 1 of the present embodiment, cover is equiped with rotor and connects dish 10, and rotor connects dish 10 and is fixedly connected with rotor 9 with main shaft 1 respectively.The workbench housing 2 of the present embodiment is provided with away from one end of workbench 3 bearing block 11 be sleeved on main shaft 1, bearing group I 12 is provided with between bearing block 11 and main shaft 1, main shaft 1 is provided with and is fixedly connected with it and connects dish 13 under coordinating with the inner ring of bearing group I 12, and angling cylinder 6 is fixedly mounted on down and connects on dish 13.Under connect dish 13 and be provided with circular grating chi 14, correspondingly with circular grating chi 14 on bearing block 11 be provided with grating ruler reading head 15.The bearing block 11 of the present embodiment is fixed with the interior protective cover 16 covered on circular grating chi 14 and grating ruler reading head 15; workbench housing 2 is also provided with cover on interior protective cover 16 and under connect outer protective cover 17 outside dish 13; under connect between dish 13 and outer protective cover 17 and be provided with V-shaped seal ring I 18, correspondingly with grating ruler reading head 15 respectively on interior protective cover 16 and outer protective cover 17 be provided with peep hole.By arranging direct driving motor in workbench housing 2, Direct driver main shaft 1 and workbench 3 can rotate, and utilizing circular grating chi 14 to measure the position of rotation of main shaft 1, can effectively improve main shaft 1 running accuracy and positioning precision.
Further, workbench housing 2 is provided with bearing group II 19 near between one end of workbench 3 and main shaft 1, workbench housing 2 is fixed with coordinate with the outer ring of bearing group II 19 on connect dish 20, above connect between dish 20 and workbench 3 and be provided with V-shaped seal ring II 21.The workbench 3 of the present embodiment is provided with the axial extension for coordinating with the inner ring of bearing group II 19, on connect dish 20 matched in clearance and be sleeved on axial extension, and on connect dish 20 and be provided with seal groove 22 towards the end face of workbench 3, V-shaped seal ring II 21 is arranged in seal groove 22, and on connect the annular air inlet duct 23 being provided with between dish 20 with workbench 3 and being connected with seal groove 22, on connect in dish 20 air admission hole 24 being provided with and communicating with annular air inlet duct 23, V-shaped seal ring II 21 is provided with and extends along the radially outer direction of workbench 3 and towards the sealing lip 21a of workbench 3 warpage.The air admission hole 24 of the present embodiment is arranged on the tangential direction of annular air inlet duct 23, sealing lip 21a contacts with the bottom surface of workbench 3 when free state and coordinates, workbench 3 and on connect matched in clearance between dish 20 and form gas outlet 25, the outgassing direction of gas outlet 25 dorsad workbench 3 and with the axis being parallel of main shaft 1, can effectively prevent dust from entering in bearing group II 19.By arranging sealing lip 21a on V-shaped seal ring II 21, when dry cutting gear-hobbing machine is started shooting, ventilated in annular air inlet duct 23 by air admission hole 24, gas leads to seal groove 22 through annular air inlet duct 23, sealing lip 21a is depressed under the influence of air pressure, make the matching relationship between its with workbench 3 be contactless cooperation, effectively can prevent heating; When dry cutting gear-hobbing machine accidentally shut down stop the supple of gas or steam time or air admission hole die suddenly time, under the effect of negative pressure, sealing lip 21a is upturned and coordinates with the Contact of workbench 3, can prevent negative pressure from sucking impurity, avoid bearing contaminated.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. a dry cutting gear-hobbing machine directly drives workbench, the workbench comprising main shaft, be arranged on the workbench housing outside described main shaft and be fixedly connected with described main shaft one end, it is characterized in that: the center of described main shaft is provided with through hole, pull bar is provided with in described through hole, described main shaft is provided with angling cylinder away from one end of described workbench, is threaded connection structure and is connected between described angling cylinder with described pull bar; Also comprise the position sensor for measuring described angling cylinder stroke.
2. dry cutting gear-hobbing machine according to claim 1 directly drives workbench, it is characterized in that: the rotation be also provided with in described workbench housing as described workbench provides the direct driving motor of moment, described direct driving motor comprises the motor stator be fixedly connected with described workbench housing and the rotor be fixedly set on described main shaft.
3. dry cutting gear-hobbing machine according to claim 2 directly drives workbench, it is characterized in that: on described main shaft, cover is equiped with rotor and connects dish, and described rotor connects dish and is fixedly connected with rotor with described main shaft respectively.
4. dry cutting gear-hobbing machine according to claim 2 directly drives workbench, it is characterized in that: described workbench housing is provided with away from one end of described workbench the bearing block be sleeved on described main shaft, bearing group I is provided with between described bearing block and described main shaft, described main shaft is provided with and is fixedly connected with it and connects dish under coordinating with the inner ring of described bearing group I, described angling cylinder be fixedly mounted on described under connect on dish.
5. dry cutting gear-hobbing machine according to claim 4 directly drives workbench, it is characterized in that: connect dish under described and be provided with circular grating chi, correspondingly with described circular grating chi on described bearing block is provided with grating ruler reading head.
6. dry cutting gear-hobbing machine according to claim 5 directly drives workbench; it is characterized in that: described bearing block is fixed with the interior protective cover covered on described circular grating chi and grating ruler reading head; described workbench housing is also provided with cover on described interior protective cover and under connect outer protective cover outside dish, connect under described between dish with described outer protective cover and be provided with V-shaped seal ring I.
7. dry cutting gear-hobbing machine according to claim 1 directly drives workbench, it is characterized in that: described workbench housing is provided with bearing group II near between one end of described workbench and described main shaft, described workbench housing is fixed with coordinate with the outer ring of described bearing group II on connect dish, connect on described dish with described workbench between be provided with V-shaped seal ring II.
8. dry cutting gear-hobbing machine according to claim 7 directly drives workbench, it is characterized in that: described workbench is provided with the axial extension for coordinating with the inner ring of described bearing group II, connecing dish matched in clearance on described is sleeved on described axial extension, and described on connect card and be provided with seal groove to the end face of described workbench, described V-shaped seal ring II is arranged in described seal groove, and described on connect dish and be provided with the annular air inlet duct be connected with described seal groove between described workbench, the air admission hole being provided with and communicating with described annular air inlet duct is connect in dish on described, described V-shaped seal ring II is provided with and extends along the radially outer direction of described workbench and towards the sealing lip of described workbench warpage.
9. dry cutting gear-hobbing machine according to claim 8 directly drives workbench, it is characterized in that: described air admission hole is arranged on the tangential direction of described annular air inlet duct, and described sealing lip contacts with the bottom surface of described workbench when free state and coordinates.
10. the dry cutting gear-hobbing machine stated according to claim 9 directly drives workbench, it is characterized in that: described workbench and described on connect matched in clearance between dish and form gas outlet, the outgassing direction of described gas outlet dorsad described workbench and with the axis being parallel of described main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835446.1U CN204524817U (en) | 2014-12-25 | 2014-12-25 | Dry cutting gear-hobbing machine directly drives workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835446.1U CN204524817U (en) | 2014-12-25 | 2014-12-25 | Dry cutting gear-hobbing machine directly drives workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204524817U true CN204524817U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420835446.1U Expired - Fee Related CN204524817U (en) | 2014-12-25 | 2014-12-25 | Dry cutting gear-hobbing machine directly drives workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204524817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972023A (en) * | 2018-09-17 | 2018-12-11 | 武汉贝格泰克数控直驱机械有限公司 | A kind of tool-holder shaft liquid cooling rare-earth permanent magnet torque motor directly turns platform |
| CN109505981A (en) * | 2018-11-19 | 2019-03-22 | 广州市昊志机电股份有限公司 | A kind of turntable sealing structure |
-
2014
- 2014-12-25 CN CN201420835446.1U patent/CN204524817U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972023A (en) * | 2018-09-17 | 2018-12-11 | 武汉贝格泰克数控直驱机械有限公司 | A kind of tool-holder shaft liquid cooling rare-earth permanent magnet torque motor directly turns platform |
| CN108972023B (en) * | 2018-09-17 | 2024-05-17 | 武汉贝格泰克数控直驱机械有限公司 | Workpiece clamping shaft liquid cooling rare earth permanent magnet torque motor direct-drive turntable |
| CN109505981A (en) * | 2018-11-19 | 2019-03-22 | 广州市昊志机电股份有限公司 | A kind of turntable sealing structure |
| CN109505981B (en) * | 2018-11-19 | 2022-03-08 | 广州市昊志机电股份有限公司 | Rotary table sealing structure |
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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: 20150805 Termination date: 20161225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |