CN208681134U - Interior shield pneumatic actuator - Google Patents
Interior shield pneumatic actuator Download PDFInfo
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- CN208681134U CN208681134U CN201821215569.XU CN201821215569U CN208681134U CN 208681134 U CN208681134 U CN 208681134U CN 201821215569 U CN201821215569 U CN 201821215569U CN 208681134 U CN208681134 U CN 208681134U
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Abstract
The utility model relates to turning machine fields, specifically disclose a kind of interior shield pneumatic actuator, it is characterized in that, including the air inlet air pump, outlet air pump and the cylinder that is connected to air inlet air pump and outlet air pump simultaneously being fixed on lathe bed, the cylinder is equipped with the piston that can be slided along cylinder inner wall, the piston side wall is circumferentially arranged with several Slide Groups, the Slide Group includes the multiple holding tanks being axially arranged along piston and the ball in holding tank, the cylinder inner wall is equipped with several guide grooves for ball sliding, and piston side wall is fixed with convex block；It is separately fixed at the annular elastic layer on cylinder inner wall and piston equipped with both ends in the cylinder, the piston side wall is fixed with push rod through cylinder sidewall and fixed with knife rest, and the cylinder is equipped with exhaust outlet close to push rod one end.The movement of the transmission mechanism cutter of this programme not will receive clast blocking.
Description
Technical field
The utility model relates to turning machine fields, and in particular to a kind of machine shield transmission mechanism.
Background technique
Turning is a kind of method of machining, and turning is mainly processed with workpiece of the lathe tool to rotation, and lathe tool is fixed
On knife rest, knife rest is fixed with interior shield, and when processing, interior shield sliding, band movable knife rack is slided along lathe bed, planar
Make the machining of straight line or curve movement.Lathe is mainly used for processing axis, disk, set and other workpiece with rotary surface,
It is that most wide a kind of machine tooling is used in machine-building and repair factory.
In order to avoid the clast generated in process splashes to outside lathe, outer protective cover is fixed on the lathe bed of lathe；
In order to avoid clast splashes on each components in lathe, interior shield is equipped in outer protective cover.In process, cutter
The mobile different parts so as to workpiece carry out turning.It is generally mobile using ball screw arrangement driving cutter at present, cutter with
The nut seat of ball screw arrangement is fixed, and forward or reverse by the screw rod of motor driven ball screws structure, keeps cutter reciprocal
It is mobile.
But interior shield can only stop portions clast, still have clast that can fall on the lead screw of ball-screw, these clasts
The sliding of the nut seat of ball screw arrangement can be hindered, is finally stopped the movement of cutter, the moving distance and essence of cutter
Degree is affected, and the machining accuracy of workpiece is low.
Utility model content
The interior shield that not will receive clast blocking the purpose of this utility model is to provide a kind of movement of cutter is pneumatic
Transmission mechanism.
Shield pneumatic actuator, feature exist in achieve the above purpose, the technical solution of the present invention is:
In including the air inlet air pump, outlet air pump and the cylinder that is connected to air inlet air pump and outlet air pump simultaneously being fixed on lathe bed, institute
The piston for being equipped with and being slided in cylinder along cylinder inner wall is stated, the piston side wall is circumferentially arranged with several Slide Groups, the sliding
Group includes the multiple holding tanks being axially arranged along piston and the ball in holding tank, the cylinder inner wall be equipped with it is several for
The guide groove of ball sliding, the piston side wall are fixed with the convex block that can be slided along guide groove；Equipped with both ends point in the cylinder
It is not fixed on the elastic layer of the annular on cylinder inner wall and piston, the piston side wall is fixed with through cylinder sidewall and prevents with interior
The fixed push rod of shield, the cylinder are equipped with exhaust outlet close to push rod one end.
The principle of this programme is as follows:
Air inlet air pump is inflated when working into cylinder, and gas is located in the elastic layer of annular after entering cylinder, in elastic layer
Pressure increase, piston slides under the pressure difference effect of two sides along cylinder inner wall, push in shield sliding.It is vented air pump
It is discharged the gas in cylinder when work, the pressure in elastic layer reduces, and piston is along cylinder inner wall reverse slide, piston sliding
Ball is rolled along guide groove in the process.Cylinder inner cavity space when piston is to the Slideslip for being fixed with push rod, where push rod
Reduce, pressure increase, the gas in the cylinder inner cavity is discharged from exhaust outlet.
This programme has the beneficial effect that:
(1) piston is slided along cylinder inner wall, and clast caused by cutting is difficult to enter in cylinder, so clast will not be right
The sliding of piston causes to stop, and the movement of cutter will not be hindered, and the moving distance and precision of cutter are unaffected, work
The machining accuracy of part is higher.
(2) since piston and push rod are fixed, push rod needs to push interior shield sliding, so piston needs are biggish strong
Degree, in order to improve the intensity of piston, piston needs certain thickness.And after piston thickness increases, the friction of piston and cylinder inner wall
Increase, piston is prone to wear, and piston side wall is equipped with Slide Group, and when piston slides, ball can be by the portion between piston and cylinder
Sliding friction is divided to become the rolling friction between piston and ball, the frictional force that piston is subject to reduces, and avoids piston from being worn, prolongs
The service life of long piston.And ball can also play a supporting role to piston, reduce the pressure that convex block is subject to, convex block is avoided to damage
It is bad.
(3) cricoid elastic layer is equipped in cylinder, the gas into cylinder is located in elastic layer, elastic layer and piston and
Cylinder inner wall is fixed, and the gas in elastic layer will not leak, and guarantees that piston can glide in the promotion of the gas entered in cylinder
Dynamic, the movement of cutter and precision are unaffected, and the machining accuracy of workpiece is high.
Preferred embodiment one, as the further improvement to base case, push rod be equipped with can along the outer that push rod slides with
The oil baffle that cylinder inner wall offsets is equipped with both ends and is separately fixed at the bullet on piston and oil baffle between the oil baffle and piston
Spring contains lubricating oil between the oil baffle and piston.Lubricating oil plays lubricating action in ball rolling process, further decreases
Frictional force between ball and piston and cylinder inner wall weakens ball and piston wear, extends the service life of ball and piston.
Preferred embodiment two, as the further improvement to preferred embodiment one, cylinder sidewall is fixed in line check valve and goes out
Oily check valve, the fuel reserve tank for being fixed with while being connected to in line check valve and oil outlet one-way valve on the cylinder, the fuel reserve tank
Inside it is fixed with the first filter screen.Push rod pushes interior shield to when moving far from cylinder side, and oil baffle first connects with cylinder head portions
Touching, space of the piston between oil baffle, piston and oil baffle reduce, the lubrication oil stream between piston and oil baffle
Out, enter in fuel reserve tank from oil outlet one-way valve, lubricating oil passes through the first filter screen and falls on fuel reserve tank bottom.Ball rolling process
In, powder that ball, piston or cylinder wear generate enters fuel reserve tank and blocking by the first filter screen with lubricating oil, such as
This powder that can be generated with the cylinder wear in lubricant removal avoids powder from causing to hinder to the rolling of ball.Piston reverses direction
When sliding, under the action of the spring, space between piston and oil baffle increases, the lubricating oil in fuel reserve tank from line check valve into
Enter in cylinder.
Preferred embodiment three, as the further improvement to preferred embodiment two, the first filter screen is obliquely installed.Lubricating oil enters
After fuel reserve tank, lubricating oil can flow during passing through the first filter screen along the first filter screen, make powder along the first filter screen
Mobile, for powder accumulation in the lower one end of the first filter screen, powder cleaning is more convenient.
Preferred embodiment four, as the further improvement to preferred embodiment one, oil baffle is fixed with sponge far from piston side
Layer.When side wall of the oil baffle far from piston and cylinder inner wall contact, spongy layer is first contacted with cylinder inner wall, and spongy layer plays buffering
Effect, avoid cylinder inner wall and oil baffle from directly touching damage.
Preferred embodiment five is fixed with the dedusting being connected to exhaust outlet as the further improvement to base case on cylinder
Pipe.It is blown out from the gas that exhaust outlet is discharged from dust removing tube far from cylinder one end, by dust removing tube far from cylinder one end towards interior protection
When cover can with when from dust removing tube blow out gas the clast being attached on interior shield is blown off, clast will not hinder interior shield
Sliding.
Preferred embodiment six is fixed with the second filter screen as the further improvement to preferred embodiment five in dust removing tube.Piston
To in the sliding process of elastic layer side, increase positioned at piston far from the space of elastic layer side, pressure reduces, extraneous sky
Gas enters in cylinder from dust removing tube, clast by the second filter screen blocking and cannot be introduced into cylinder, further avoid clast
The sliding of piston is caused to hinder, the moving distance and precision of cutter are unaffected, and the machining accuracy of workpiece is high.
Preferred embodiment seven, as the further improvement to base case, piston and push rod are integrally formed.Push rod and piston
Junction is stronger, and when push rod is by radial force, the junction of push rod and piston is hardly damaged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shield pneumatic actuator embodiment in the utility model.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Appended drawing reference are as follows: cylinder 1, exhaust outlet 11, dust removing tube 12, guide groove 13, air inlet air pump 21, outlet air pump 22, bullet
Property layer 3, piston 4, ball 41, push rod 42, convex block 43, oil baffle 5, spongy layer 51, spring 52, fuel reserve tank 6, oil outlet one-way valve
61, in line check valve 62, the first filter screen 63.
Interior shield pneumatic actuator, as shown in Figure 1, including air inlet air pump 21, the outlet air pump being welded on lathe bed
22 and passes through pipeline the cylinder 1 that is connected to air inlet air pump 21 and outlet air pump 22, cylinder 1 are welded on lathe bed simultaneously, cylinder 1
Interior be equipped with can be along the piston 4 that cylinder 1 horizontally slips, and 4 side wall of piston is circumferentially arranged with several Slide Groups.Slide Group includes along piston
4 three holding tanks being axially arranged and the ball 41 in holding tank, 1 inner wall of cylinder be equipped with it is several for ball 41 slide
Guide groove 13, when piston 4 horizontally slips, ball 41 is rolled along 1 inner wall of cylinder, and ball 41 will be between piston 4 and cylinder 1
Sliding friction becomes the rolling friction between piston 4 and ball 41, reduces the abrasion of piston 4, if piston side wall integrally formed with
The dry convex block 43 that can be slided respectively along several guide grooves.1 left part of cylinder is equipped with the elastic layer 3 of annular, 3 left and right ends of elastic layer
It is glued in 4 left wall of 1 left wall of cylinder and piston respectively, the gas that air inlet air pump 21 is passed through cylinder 1 is located in elastic layer 3, will not
It is leaked between ball 41 and cylinder 1.4 right wall of piston runs through the push rod 42 of 1 right wall of cylinder integrally formed with right end, and push rod 42 is right
End is welded on interior shield.
Key connection has the oil baffle 5 positioned at 4 right side of piston, 5 outer rim of oil baffle and 1 inner wall of cylinder and guide groove on push rod 42
13 offset, and lubricating oil is contained between oil baffle 5 and piston 4, and the powder that wall friction generates in ball 41, piston 4 and cylinder 1 is mixed in
In lubricating oil and with lubricant movement.After the splicing of 5 right wall of oil baffle has spongy layer 51, oil baffle 5 to slide to the right, spongy layer 51
First contacted with 1 right end inner wall of cylinder.Push rod 42 is around with left and right ends and is respectively welded at 5 left wall of 4 right wall of piston and oil baffle
Spring 52.The splicing of 1 left part of cylinder has the in line check valve 62 and oil outlet one-way valve 61 being connected to cylinder 1.The bottom wall of 1 left part of cylinder
It is welded with fuel reserve tank 6, is connected to by pipeline with oil outlet one-way valve 61 at the top of liquid reserve tank, bottom passes through pipeline and in line check valve 62
Connection, when piston slides to the right relative to oil baffle 5, the lubricating oil in cylinder 1 can enter fuel reserve tank 6 from oil outlet one-way valve 61,
Lubricating oil in fuel reserve tank 6 enters in cylinder 1 from line check valve 62.6 top of fuel reserve tank, which is glued, the first filter screen 63, this reality
Applying the first filter screen 63 in example is 200 mesh.First filter screen 63 is obliquely installed in left low and right high, and lubricating oil falls into fuel reserve tank
It is flowed to the left after 6 along the first filter screen 63, powder accumulation is in 63 left part of the first filter screen.
1 right end of cylinder, which is equipped with exhaust outlet 11 and is glued, the dust removing tube 12 being connected to exhaust outlet 11, and piston 4 slides to the right
When, the gas of 1 right part of cylinder is blown out from dust removing tube 12, and being glued in dust removing tube 12 has the second filter screen, and second in the present embodiment
Filter screen is 100 mesh, and when piston 4 slides to the left, extraneous gas enters in dust removing tube 12, resistance of the clast by the second filter screen
Gear.
When it is implemented, air inlet air pump 21 is opened manually, air inlet air pump 21 is into cylinder 1 when knife rest being needed to slide to the right
It is passed through gas, piston 4 slides to the right, and ball 41 is slided along guide groove 13, and push rod 42 pushes interior shield to slide to the right, drives
Knife rest slides to the right.5 right wall of oil baffle and 1 right wall of cylinder stop sliding after being affixed, and the continuation of piston 4 is slided to the right, when piston 4 with
Air inlet air pump 21 is manually closed when the distance between oil baffle 5 is smaller.Space between piston 4 and oil baffle 5 reduces, piston 4
Lubricating oil between oil baffle 5 enters fuel reserve tank 6 from oil outlet one-way valve 61, and the powder in cylinder 1 mixes lubricating oil and enters storage
Fuel tank 6, blocking of the powder by the first filter screen 63, lubricating oil flow into 6 lower part of fuel reserve tank.
When piston 4 slides to the right, the gas of 1 right part of cylinder enters dust removing tube 12, when 12 right end of dust removing tube is towards interior protection
Fall the clast being attached on interior shield when cover, clast will not hinder the sliding of interior anti-skid cover.Convex block 43 is along leading simultaneously
It is slided to the right to slot 13, the powder fallen in guide groove 13 is made to leave guide groove.
When knife rest being needed to slide to the left, it is opened manually outlet air pump 22, the gas of 1 left part of cylinder is from 22 row of outlet air pump
Out, piston 4 slides to the left, and space between piston 4 and oil baffle 5 increases, and the lubricating oil in fuel reserve tank 6 is from line check valve 62
Into between piston 4 and oil baffle 5, outlet air pump 22 is manually closed when knife rest, which is moved to, needs position.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as this
The protection scope of utility model, these all will not influence the effect and patent practicability of the utility model implementation.This is practical new
Technology, shape, the construction portion of the omitted description of type are well-known technique.
Claims (8)
- Shield pneumatic actuator in 1., which is characterized in that including air inlet air pump, the outlet air pump and same being fixed on lathe bed When the cylinder that is connected to air inlet air pump and outlet air pump, the cylinder is equipped with the piston that can be slided along cylinder inner wall, the piston Side wall circumferentially arranged with several Slide Groups, the Slide Group include the multiple holding tanks being axially arranged along piston and be located at holding tank Interior ball, the cylinder inner wall are equipped with several guide grooves for ball sliding, and the piston side wall is fixed with can be along guiding The convex block of slot sliding；It is separately fixed at the annular elastic layer on cylinder inner wall and piston equipped with both ends in the cylinder, it is described Piston side wall is fixed with push rod through cylinder sidewall and fixed with interior shield, and the cylinder is equipped with exhaust close to push rod one end Mouthful.
- 2. interior shield pneumatic actuator according to claim 1, which is characterized in that the push rod is equipped with can be along pushing away The oil baffle that the outer of bar sliding and cylinder inner wall offset is equipped with both ends and is separately fixed at piston between the oil baffle and piston With the spring on oil baffle, lubricating oil is contained between the oil baffle and piston.
- 3. interior shield pneumatic actuator according to claim 2, which is characterized in that the cylinder sidewall be fixed with into Oily check valve and oil outlet one-way valve, the oil storage for being fixed with while being connected to in line check valve and oil outlet one-way valve on the cylinder Case is fixed with the first filter screen in the fuel reserve tank.
- 4. interior shield pneumatic actuator according to claim 3, which is characterized in that the first filter screen inclination is set It sets.
- 5. interior shield pneumatic actuator according to claim 2, which is characterized in that the oil baffle is far from piston one Side is fixed with spongy layer.
- 6. interior shield pneumatic actuator according to claim 1, which is characterized in that be fixed with and arrange on the cylinder The dust removing tube of port connection.
- 7. interior shield pneumatic actuator according to claim 6, which is characterized in that be fixed in the dust removing tube Two filter screens.
- 8. interior shield pneumatic actuator according to claim 1, which is characterized in that the piston and push rod one at Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215569.XU CN208681134U (en) | 2018-07-28 | 2018-07-28 | Interior shield pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215569.XU CN208681134U (en) | 2018-07-28 | 2018-07-28 | Interior shield pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208681134U true CN208681134U (en) | 2019-04-02 |
Family
ID=65883065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215569.XU Active CN208681134U (en) | 2018-07-28 | 2018-07-28 | Interior shield pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208681134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917351A (en) * | 2021-02-03 | 2021-06-08 | 朱春国 | Ship deck rust removing equipment |
-
2018
- 2018-07-28 CN CN201821215569.XU patent/CN208681134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917351A (en) * | 2021-02-03 | 2021-06-08 | 朱春国 | Ship deck rust removing equipment |
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