CN212351103U - Air pressure unloading guide rail for machine tool upright post - Google Patents
Air pressure unloading guide rail for machine tool upright post Download PDFInfo
- Publication number
- CN212351103U CN212351103U CN202021403739.4U CN202021403739U CN212351103U CN 212351103 U CN212351103 U CN 212351103U CN 202021403739 U CN202021403739 U CN 202021403739U CN 212351103 U CN212351103 U CN 212351103U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- cavity
- air inlet
- rail body
- inlet channel
- 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.)
- Active
Links
Images
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model discloses an air pressure unloading guide rail for a machine tool stand column, which comprises a guide rail body, wherein at least one cavity is arranged on the guide rail body, the cavity consists of a large-diameter cavity and an air inlet, the large-diameter cavity is positioned below the air inlet, and an opening at the upper end of the large-diameter cavity is positioned on the upper surface of the guide rail body; an air inlet channel is arranged in the guide rail body; the air inlet channel is provided with an opening on one side surface of the guide rail body so as to be connected with an air supply system, the air inlet channel is communicated with an air inlet of the cavity, and compressed air is injected into the cavity after passing through the air inlet channel; the pressure reducing valve and the throttle valve are arranged on the air inlet channel, and the compressed air injected into the cavity is ensured to have proper pressure and flow all the time by adjusting the pressure reducing valve and the throttle valve, so that the stress of the whole guide rail is uniform, the radial motion of the large upright post is stable, the dynamic and static friction force is reduced, the precision and the reliability of the radial motion of the large upright post part are improved, and the energy consumption of a machine tool is reduced.
Description
Technical Field
The utility model belongs to the technical field of the off-load of lathe stand, concretely relates to stand motion system for metal cutting machine.
Background
In a hobbing machine tool, a hobbing cutter rest is arranged on a large upright post, the weight of a large upright post part of a sliding plate for axial feeding is larger, and meanwhile, the large upright post part needs to move radially on a rectangular guide rail of a machine tool body to complete radial feeding movement in the gear machining process. Therefore, a new guide rail is needed to reduce the positive pressure on the guide rail and avoid the creeping phenomenon of the large column.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a guide rail that reduces the positive pressure on the guide rail and avoids the large upright from creeping.
The purpose of the utility model is realized through the following technical scheme:
the air pressure unloading guide rail for the machine tool stand column comprises a guide rail body, wherein at least one cavity is arranged on the guide rail body, the cavity consists of a large-diameter cavity and an air inlet, the large-diameter cavity is positioned below the small-diameter cavity, and an opening at the upper end of the large-diameter cavity is positioned on the upper surface of the guide rail body;
an air inlet channel is arranged in the guide rail body; the intake duct is in a side of guide rail body sets up the opening to be connected with air supply system, the intake duct with the air inlet intercommunication of die cavity, compressed air pours into behind the intake duct the die cavity.
Furthermore, the number of the cavities is P, and the cavities are arranged on the guide rail body in an array of n rows and m columns, wherein P is n multiplied by m.
And furthermore, a pressure reducing valve is arranged in front of the air inlet channel and used for adjusting the air inlet pressure of the cavity. The pressure reducing valve is arranged according to the gravity distribution of the upright column, and different pressure values are set.
And furthermore, a throttle valve is arranged in front of the air inlet channel and used for adjusting the air inlet flow of the cavity. The throttle valve sets different flow sizes according to the pressure and the unloading state of the upright post.
Further, the intake duct sets up 7 altogether, and every intake duct is longitudinal arrangement, every intake duct through connection each row the die cavity.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the utility model discloses an adjustment relief pressure valve and choke valve guarantee to pour into the compressed air of die cavity into all the time have appropriate pressure and flow to make whole guide rail atress even, make big stand radial motion steady and reduce and move, static pressure frictional force, improved big stand part radial motion's precision and reliability, reduce the lathe energy consumption.
Drawings
The drawings of the utility model are as follows:
FIG. 1 is a schematic view of a guide rail structure;
FIG. 2 is a circuit diagram of air flow and pressure regulation.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1-2, the air pressure unloading guide rail of this embodiment includes a guide rail body 1, where the guide rail body 1 is provided with at least one cavity 2, the cavity 2 is composed of a large-diameter cavity and an air inlet, the large-diameter cavity is located below the air inlet, and an opening at an upper end of the large-diameter cavity is located on an upper surface of the guide rail body 1; in this embodiment, the diameter of the large diameter cavity is 6cm, and the diameter of the air inlet is 8 mm.
An air inlet channel 3 is arranged in the guide rail body 1; intake duct 3 is in a side of guide rail body 1 sets up the opening to be connected with air supply system, intake duct 3 with the path chamber intercommunication of die cavity 2, compressed air pours into behind 3 intake duct 2 die cavity.
In this embodiment, the number of the cavities 2 is 35, and the cavities are arranged on the guide rail body 1 in an array of 5 rows and 7 columns.
In this embodiment, a pressure reducing valve 5 is disposed in front of the air inlet 3 to adjust the air inlet pressure of the cavity 2. The pressure reducing valves 5 are arranged according to the gravity distribution of the upright columns, and different pressure values are set.
In this embodiment, a throttle valve 6 is disposed in front of the inlet 3 to adjust the inlet flow of the cavity 2. The throttle valve 6 sets different flow rates according to the pressure and the unloading state of the upright column.
In this embodiment, inlet 3 sets up 7 altogether, and every inlet 3 is longitudinal arrangement, every inlet 3 through connection is every row die cavity 2.
The air treated by the air source treatment system 4 is input into the cavity through a pipeline, a pressure reducing valve 5 and a throttle valve 6.
The utility model discloses a compressed air that adjustment relief pressure valve 5 and choke valve 6 guarantee to pour into die cavity 2 into has suitable pressure and flow all the time to make whole guide rail atress even, make big stand radial motion steady and reduce and move, static pressure frictional force, improved big stand part radial motion's precision and reliability, reduce the lathe energy consumption. The specific parameters of the pressure reducing valve 5 and the throttle valve 6 are designed according to the structure of the upright post, the gravity distribution, the parameters of the motor for pushing the upright post, the material of the guide rail and other factors.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions, which should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a lathe is atmospheric pressure off-load guide rail for stand which characterized in that: the guide rail comprises a guide rail body, wherein at least one cavity is arranged on the guide rail body, the cavity consists of a large-diameter cavity and an air inlet, the large-diameter cavity is positioned above the air inlet, and an opening at the upper end of the large-diameter cavity is positioned on the upper surface of the guide rail body;
an air inlet channel is arranged in the guide rail body; the intake duct is in a side of guide rail body sets up the opening to be connected with air supply system, the intake duct with the air inlet intercommunication of die cavity, compressed air pours into behind the intake duct the die cavity.
2. The guide rail of claim 1, wherein: the number of the cavities is P, and the cavities are arranged on the guide rail body in an n-row m-column array mode, wherein P is n multiplied by m.
3. The guide rail of claim 1, wherein: and a pressure reducing valve is arranged in front of the air inlet channel and used for adjusting the air inlet pressure of the cavity.
4. The guide rail of claim 1, wherein: and a throttle valve is arranged in front of the air inlet channel and used for adjusting the air inlet flow of the cavity.
5. Guide rail according to claim 1 or 2, characterized in that: the intake duct sets up 7 altogether, and every intake duct is longitudinal arrangement, every intake duct through connection each row the die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021403739.4U CN212351103U (en) | 2020-07-16 | 2020-07-16 | Air pressure unloading guide rail for machine tool upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021403739.4U CN212351103U (en) | 2020-07-16 | 2020-07-16 | Air pressure unloading guide rail for machine tool upright post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212351103U true CN212351103U (en) | 2021-01-15 |
Family
ID=74130920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021403739.4U Active CN212351103U (en) | 2020-07-16 | 2020-07-16 | Air pressure unloading guide rail for machine tool upright post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212351103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275905A (en) * | 2021-07-26 | 2021-08-20 | 山东交通职业学院 | Hydraulic unloading structure for upright column of large-scale processing machine tool |
-
2020
- 2020-07-16 CN CN202021403739.4U patent/CN212351103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275905A (en) * | 2021-07-26 | 2021-08-20 | 山东交通职业学院 | Hydraulic unloading structure for upright column of large-scale processing machine tool |
| CN113275905B (en) * | 2021-07-26 | 2021-09-28 | 山东交通职业学院 | Hydraulic unloading structure for upright column of large-scale processing machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212351103U (en) | Air pressure unloading guide rail for machine tool upright post | |
| CN111702509A (en) | Air pressure unloading guide rail for machine tool upright post | |
| CN202114358U (en) | Rotary disc type automatic tapping machine | |
| CN104842229A (en) | Long rod part centreless grinding machining method | |
| CN102554280A (en) | High speed electric spindle with preload control device | |
| CN202427975U (en) | Thimble mechanism with adjustable eccentricity | |
| CN203566281U (en) | Tooling structure for processing thin-wall type part | |
| CN110355270A (en) | A kind of seamless gas cylinder closing-up machine | |
| CN207646249U (en) | Press cooling device of quenching | |
| CN202934121U (en) | Double-station numerically-controlled lathe | |
| CN109092916A (en) | Hardly possible deformation high alloy high-precision section material production technology and special-shaped microfilament production line | |
| CN214489744U (en) | Conical thin-wall ring piece machining device | |
| CN111300178B (en) | Method for controlling grinding deformation of central pull rod of helicopter | |
| CN203817859U (en) | Hydro-mechanical numerical control heavy feeding mechanism | |
| CN207087690U (en) | A kind of chuck of fixture | |
| CN202610278U (en) | Sucker rod quenching device | |
| CN212192734U (en) | Multifunctional water cutting workbench | |
| CN206426409U (en) | Fixture is taken out in a kind of reversible deformation | |
| CN203649954U (en) | Dual-clamping-point work fixture pressing plate | |
| CN202137473U (en) | High-precision gear shaping device | |
| CN219944376U (en) | Pipe end necking machine | |
| CN204019243U (en) | A kind of conversion equipment for lathe of singly taking blame for others | |
| CN103707087B (en) | Dual clamping point frock clamp pressing plate | |
| CN210412172U (en) | Thimble receiving device | |
| CN201516565U (en) | Fixture for contour machining and ring installation of piston ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |