CN202812121U - High-precision hydrostatic worm - Google Patents
High-precision hydrostatic worm Download PDFInfo
- Publication number
- CN202812121U CN202812121U CN 201220471289 CN201220471289U CN202812121U CN 202812121 U CN202812121 U CN 202812121U CN 201220471289 CN201220471289 CN 201220471289 CN 201220471289 U CN201220471289 U CN 201220471289U CN 202812121 U CN202812121 U CN 202812121U
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- CN
- China
- Prior art keywords
- static pressure
- pressure worm
- screw
- worm shaft
- hydrostatic worm
- 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
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- Transmission Devices (AREA)
Abstract
The utility model discloses a high-precision hydrostatic worm comprising a hydrostatic worm, helical teeth which are arranged on the hydrostatic worm and are used for transmission, a hydrostatic worm shaft which is arranged in the hydrostatic worm with both ends extending out of the hydrostatic worm, a first taper thread oil plug which is arranged on the hydrostatic worm, an oil distribution plate which is arranged on the hydrostatic worm shaft and is connected with the left end of the hydrostatic worm, a baffle plate which is arranged on the hydrostatic worm shaft and is connected with the oil distribution plate, a slotted screw which is arranged on the hydrostatic worm shaft and is used for fixing the baffle plate, a round nut with a lock groove, a second taper thread oil plug which is arranged on the shaft section of the hydrostatic worm shaft which is matched with the oil distribution plate, and a gear which is arranged on the right end of the hydrostatic worm shaft; and the high-precision hydrostatic worm has small friction resistance, long service life, good precision maintenance, good anti-vibration performance and enough high axial rigidity, and is applicable to a feeding driving system of a heavy machine tool.
Description
Technical field
The utility model relates to a kind of component of machine, specifically a kind of high-precision static pressure bar.
Background technique
At present, the transmission feeding major part of heavy machine tool is all realized by mercerising thick stick or gear rack, because the narrow limitation of heavy machine tool own wt, when load is excessive, its feed accuracy can be affected, and in the Linear transmission, mostly utilizing the transmission of static pressure worm gear pair, static pressure worm screw and snail master bar are without the pretightening force consumption of eliminating the gap, transmission stiffness is high, Transmitted chains is short, and transmission efficiency is high, and bearing capacity is large.
Summary of the invention
It is large that technical problem to be solved in the utility model provides a kind of bearing capacity, the high-precision static pressure worm screw that transmission accuracy is high.
The utility model is achieved through the following technical solutions: a kind of high-precision static pressure bar, comprise the static pressure worm screw, and be arranged on the static pressure worm screw helical tooth that is used for transmission, and be arranged on damping sleeve on the helical tooth, and be installed in the static pressure worm shaft of static pressure worm screw inside, and the static pressure worm screw is stretched out at two ends, and be arranged on the first tapered thread plug cock on the static pressure worm screw, and be installed in oil distribution casing on the static pressure worm shaft, and link to each other with static pressure worm screw left end, and be installed in block plate on the static pressure worm shaft, and link to each other with oil distribution casing, and be arranged on the static pressure worm shaft and be used for fixedly slotted screw and the circular nut with lock groove of block plate, and be arranged on the static pressure worm shaft for circumferential the first parallel key that rotates of restriction block plate, and be arranged on the static pressure worm shaft for circumferential the second parallel key that rotates of restriction static pressure worm screw, and be arranged on the second tapered thread plug cock on the static pressure worm shaft shaft part that matches with oil distribution casing, and be installed in the gear of static pressure worm shaft right-hand member, and being arranged on screw and the cylindrical pin with internal thread of gear inside, described gear links to each other with the static pressure worm screw with cylindrical pin with internal thread by screw.
Further, described helical tooth is shaped as trapezoid shaped.
Further, described screw is hexagon socket cap head screw.
The beneficial effects of the utility model are: this high-precision static pressure worm screw surface friction drag is little, long service life, and precision keeps, and resistance to shock is good, and enough large axial rigidity is arranged, and is suitable for the heavy machine tool feed drive system.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following specific embodiment and accompanying drawing.
Fig. 1 is the structural representation of a kind of high-precision static pressure worm screw of the present utility model.
Embodiment
As shown in Figure 1, a kind of high-precision static pressure bar of the present utility model, comprise static pressure worm screw 14, and be arranged on the static pressure worm screw 14 helical tooth 8 that is used for transmission, and be arranged on damping sleeve 9 on the helical tooth 8, and be installed in the static pressure worm shaft 1 of static pressure worm screw 14 inside, and static pressure worm screw 14 is stretched out at two ends, and be arranged on the first tapered thread plug cock 13 on static pressure worm screw 14 right-hand members, and be installed in oil distribution casing 6 on the static pressure worm shaft 1, and link to each other with static pressure worm screw 14 left ends, and be installed in block plate 15 on the static pressure worm shaft 1, and link to each other with oil distribution casing 6, and be arranged on the static pressure worm shaft 1 and be used for fixedly slotted screw 2 and the circular nut with lock groove 4 of block plate 15, and be arranged on the static pressure worm shaft 1 for restriction block plate 15 circumferential the first parallel keys 5 that rotate, and be arranged on the static pressure worm shaft 1 for restriction static pressure worm screw 14 circumferential the second parallel keys 7 that rotate, and be arranged on the second tapered thread plug cock 16 on static pressure worm shaft 1 shaft part that matches with oil distribution casing 6, and be installed in the gear 11 of static pressure worm shaft 1 right-hand member, and being arranged on screw 10 and the cylindrical pin with internal thread 12 of gear 11 inside, described gear 11 links to each other with static pressure worm screw 14 with cylindrical pin with internal thread 12 by screw 10.
Wherein, described helical tooth 8 is shaped as trapezoid shaped; Described screw 10 is hexagon socket cap head screw.
The beneficial effects of the utility model are: this high-precision static pressure worm screw surface friction drag is little, long service life, and precision keeps, and resistance to shock is good, and enough large axial rigidity is arranged, and is suitable for the heavy machine tool feed drive system.
The above only be embodiment of the present utility model, but protection domain of the present utility model is not limited to this, and any variation or replacement of expecting without creative work all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (3)
1. high-precision static pressure bar, comprise the static pressure worm screw, and be arranged on the static pressure worm screw helical tooth that is used for transmission, and be arranged on damping sleeve on the helical tooth, and be installed in the static pressure worm shaft of static pressure worm screw inside, and the static pressure worm screw is stretched out at two ends, and be arranged on the first tapered thread plug cock on the static pressure worm screw, and be installed in oil distribution casing on the static pressure worm shaft, and link to each other with static pressure worm screw left end, and be installed in block plate on the static pressure worm shaft, and link to each other with oil distribution casing, and be arranged on the static pressure worm shaft and be used for fixedly slotted screw and the circular nut with lock groove of block plate, and be arranged on the static pressure worm shaft for circumferential the first parallel key that rotates of restriction block plate, and be arranged on the static pressure worm shaft for circumferential the second parallel key that rotates of restriction static pressure worm screw, and be arranged on the second tapered thread plug cock on the static pressure worm shaft shaft part that matches with oil distribution casing, and be installed in the gear of static pressure worm shaft right-hand member, and be arranged on screw and the cylindrical pin with internal thread of gear inside, it is characterized in that: described gear links to each other with the static pressure worm screw with cylindrical pin with internal thread by screw.
2. high-precision static pressure worm screw according to claim 1 is characterized in that: described helical tooth be shaped as trapezoid shaped.
3. high-precision static pressure worm screw according to claim 1, it is characterized in that: described screw is hexagon socket cap head screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220471289 CN202812121U (en) | 2012-09-17 | 2012-09-17 | High-precision hydrostatic worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220471289 CN202812121U (en) | 2012-09-17 | 2012-09-17 | High-precision hydrostatic worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812121U true CN202812121U (en) | 2013-03-20 |
Family
ID=47870994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220471289 Expired - Fee Related CN202812121U (en) | 2012-09-17 | 2012-09-17 | High-precision hydrostatic worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315117A (en) * | 2014-10-21 | 2015-01-28 | 苏州市宝玛数控设备有限公司 | Worm shaft |
-
2012
- 2012-09-17 CN CN 201220471289 patent/CN202812121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315117A (en) * | 2014-10-21 | 2015-01-28 | 苏州市宝玛数控设备有限公司 | Worm shaft |
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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: 20130320 Termination date: 20140917 |
|
| EXPY | Termination of patent right or utility model |