CN203162164U - Combined follow-up sealing device for circular motion area of shaft lever - Google Patents
Combined follow-up sealing device for circular motion area of shaft lever Download PDFInfo
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- CN203162164U CN203162164U CN 201320115628 CN201320115628U CN203162164U CN 203162164 U CN203162164 U CN 203162164U CN 201320115628 CN201320115628 CN 201320115628 CN 201320115628 U CN201320115628 U CN 201320115628U CN 203162164 U CN203162164 U CN 203162164U
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- bar shaped
- diaphragm seal
- seal
- shaped diaphragm
- perforate
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Abstract
A combined follow-up sealing device for a circular motion area of a shaft lever comprises a circular motion sealing device and a straight reciprocating motion sealing device, wherein the circular motion sealing device comprises an annular hole slot and a circular sealing fin; the sealing fin is embedded in the hole slot, can rotate freely, and is a metal sealing fin with a rectangular opening hole I; the circular sealing fin is fixedly connected with the straight reciprocating motion sealing device in the opening hole I; the straight reciprocating motion sealing device comprises a hold down groove and multiple layers of strip-type sealing fins arranged in the hold down groove in an overlapping manner; each strip-type sealing fin is a rectangular metal sealing fin with an opening hole II in the center; the lengths of the multiple layers of sealing fins are sequentially increased from top to bottom; and the hold down groove is a box formed by two strip-type sealing fins with the largest opening hole II. The utility model provides a device capable of meeting basic sealing requirement of the working box when the motor shaft lever does circular reciprocating motions with variable radiuses relative to the working box.
Description
Technical field
The utility model relates to the seal arrangement of engineering and mechanical field, specifically, relates to when motor axostylus axostyle or other moving body are done the border circular areas motion with respect to working box and realizes that working box remains the combined type servo sealer of sealing state.
Background technique
During machine operation, the motor axostylus axostyle is rotated motion or front-rear reciprocation movement.In order to realize higher seal request, adopt shaft sealing modes such as floating seal, sliding positioning angle-shaped joint follow-up sealing and magnetic servo sealing that axostylus axostyle and adjacent component are sealed into one mostly.For equipment such as milling machine, polisher, stirrer, disintegrator and cutting machines, when the motor axostylus axostyle carries out straight reciprocating motion with respect to a plane of working box, fly upward, control noise with material and avoid contacting of motor and dust or cooling liquid for fear of dust, the machine shaft front end often is closed in the working box.Therefore, the motor axostylus axostyle not only self is rotated motion or along axial the seesawing of axostylus axostyle, also will does the border circular areas motion perpendicular to the plane of axostylus axostyle on working box.And this zone must just can be avoided dust to fly upward, control noise with material, avoids motor to contact with dust or cooling liquid by sealing, the cleaning of maintenance working environment and to the protection of equipment.Enough little with respect to casing when the zone of motion, connect a circular seal sheet at axostylus axostyle by axial sealing mechanism, just can solve the sealing in circus movement zone in the axostylus axostyle movement process.Enough big with respect to casing when the moving region, sealing together is subjected to boundary limitation when motion, in the time of can not solving sealing, need a kind of simple, economical and reliably method solve sealing problem.
The model utility content
The sealing problem of working box when doing the border circular areas motion at the indeterminable motor axostylus axostyle of prior art with respect to working box, the utility model provides a kind of combined type servo sealer for the motion of axostylus axostyle border circular areas, solved the relative casing in axostylus axostyle moving region when big, the sealing problem of axostylus axostyle moving region.
The technical solution of the utility model: be used for the combined type servo sealer in axostylus axostyle circus movement zone, comprise circular movement seal arrangement and straight reciprocating motion seal arrangement; Described circular movement seal arrangement comprises the hole slot of ring and is entrenched in the circular seal sheet that hole slot is inner and can freely rotate that described circular seal sheet is the metal diaphragm seal that is provided with rectangular perforate I; Described circular seal sheet and straight reciprocating motion seal arrangement are fixedly linked at perforate I place; Described straight reciprocating motion seal arrangement comprises fixed groove and is arranged on the multilayer bar shaped diaphragm seal of the overlapping placement of fixed groove inside; Be provided with the rectangular metal diaphragm seal of perforate II centered by the described bar shaped diaphragm seal, the length of described multi-layer sealed perforate II from top to bottom increases successively; Described fixed groove is the box of being made up of the bar shaped diaphragm seal of two perforate II maximums, and the width of described fixed groove is not less than the width of bar shaped diaphragm seal, and the thickness of described fixed groove is not less than the thickness sum of other bar shaped diaphragm seals;
The radius of described hole slot is D
c, the distance between the guide groove wall of described perforate I and hole slot is d
c, the size of described perforate I and the size of fixed groove coupling, the radius of described circular seal sheet is R
c, have following relation: D between the above-mentioned parameter
c〉=R
c+ d
c(Eq.1);
The perforate radius R of described first layer bar shaped diaphragm seal
1Equal the axostylus axostyle radius r, described every layer of bar shaped diaphragm seal is m by the distance that the central position in when beginning moves to down one deck bar shaped diaphragm seal edge, and the aperture widths of described n layer bar shaped diaphragm seal is r, perforate length R
n=(n-1) * and m+r, the distance of the perforate of described every layer of bar shaped diaphragm seal and diaphragm seal upper/lower terminal is d
1, the distance at the perforate of described every layer of bar shaped diaphragm seal and the left and right two ends of bar shaped diaphragm seal is L, and the lap length between the described adjacent bar diaphragm seal is not less than d
2, the perforate length D of described fixed groove is the moving radius of multilayer bar shaped diaphragm seal; There is following relation between the above-mentioned parameter:
R
c>D+L（Eq.2），L=2m+d
2（Eq.3），D=R
n=(n-1)×m+r （Eq.4）
Obtain the quantity n=[2 of described diaphragm seal (D-r)/(L-d according to Eq.3 and Eq.4
2)+1]+1; Described y=[x] be bracket function.
Preferably, the open part that described hole slot is fixed on working box is the sealing in the working box when realizing the axostylus axostyle motion, and described means of fixation is solid for welding or the fourth of the twelve Earthly Branches.
Preferably, the rectangular tapping that described fixed groove is fixed on the annular seal sheet is the sealing in the working box when realizing the axostylus axostyle straight reciprocating motion, and described means of fixation is solid for welding or the fourth of the twelve Earthly Branches.
Preferably, the sealing means between axostylus axostyle and the first layer bar shaped diaphragm seal is shaft sealing.
Design principle of the present utility model:
Be used for the combined type servo sealer in axostylus axostyle circus movement zone, comprise circular movement seal arrangement and straight reciprocating motion seal arrangement.Axostylus axostyle is regulated by the straight reciprocating motion seal arrangement at the residing radius of border circular areas; Axostylus axostyle is regulated by rotatable circular seal sheet in the residing camber line of border circular areas position; Axostylus axostyle is implemented in the motion of the arbitrary position in the bigger border circular areas.
In the circular movement seal arrangement, adopt a slice circular seal sheet, be entrenched in the circumference type hole slot, hole slot is fixed on the casing with welding or the solid form in the fourth of the twelve Earthly Branches.The guide groove wall of the chimeric diaphragm seal of hole slot adds should guarantee that frictional force is little man-hour, can add dry lubricant (as graphite) in case of necessity.The radial position that the fixed groove of straight reciprocating motion seal arrangement is fixed in the circular seal sheet with welding or the solid form in the fourth of the twelve Earthly Branches.
The straight reciprocating motion seal arrangement is made up of one group of bar shaped diaphragm seal that has opening, and the bar shaped diaphragm seal is overlapping with motor axostylus axostyle straight reciprocating motion dislocation, and every layer of bar shaped diaphragm seal all can move with axostylus axostyle in certain zone.Can utilize regional size according to motor axostylus axostyle compound motion zone and casing, by quantity and the size of certain rule design bar shaped diaphragm seal.
Multilayer bar shaped diaphragm seal can be iron plate or other materials with certain intensity.After reaching limit of sports record between the multilayer bar shaped diaphragm seal, the lap length d of certain-length is arranged still
2, guarantee effectively sealing between two bar shaped diaphragm seals.Because the bar shaped diaphragm seal is to be entrenched in the perforate I of circular seal sheet, in order to guarantee the sealing between the two, the perforate II that bar shaped diaphragm seal upper boom axle passes through and the lap length between the circular seal sheet are taken as d
1
Multilayer bar shaped diaphragm seal according to size be divided into first layer bar shaped diaphragm seal, second layer bar shaped diaphragm seal ... n layer bar shaped diaphragm seal.
In the straight reciprocating motion seal arrangement, the perforate radius of first layer bar shaped diaphragm seal is axostylus axostyle or moving body radius r, adopts shaft sealing between axostylus axostyle or moving body and the bar shaped diaphragm seal.Maximum (n layer) bar shaped diaphragm seal is motionless, as the fixed groove of bar shaped diaphragm seal.Fixed groove is the box that has perforate that double-deck bar shaped diaphragm seal constitutes, and its perforate size is the size in axostylus axostyle straight reciprocating motion zone.Other diaphragm seal is individual layer, places in the fixed groove, guarantees that diaphragm seal is with the axostylus axostyle to-and-fro motion.The width of fixed groove is greater than the width of bar shaped diaphragm seal.The thickness of fixed groove is slightly larger than the thickness sum of other bar shaped diaphragm seals, to hold diaphragm seal and with relatively stable being as the criterion of moving.Fixed groove can adopt welding or the solid mode in the fourth of the twelve Earthly Branches to be fixed on the circular seal sheet.
When the straight reciprocating motion seal arrangement was fixed on rotatable circular seal sheet, circle center was passed in the medial axis, to guarantee the symmetry (Fig. 1) of composite set.D is the maximum perforate radius of straight reciprocating motion seal arrangement, axostylus axostyle center maximum working radius R '=D-r.Axostylus axostyle can drag circular seal sheet motion, and is less because the circular seal sheet is entrenched in the hole slot frictional force, can move thereupon, finally realizes the sealing of the working box of axostylus axostyle in the border circular areas movement process.
1. the design of straight reciprocating motion seal arrangement
When axostylus axostyle or moving body were done straight reciprocating motion with respect to working box, the radius of known axostylus axostyle or moving body was r, and the opening size of linear reciprocation is 2D, and the lap length between each adjacent bar diaphragm seal is d
2The distance of the perforate of bar shaped diaphragm seal and bar shaped diaphragm seal upper and lower end is d
1, in order to keep sealing, bar shaped diaphragm seal width h 〉=2 * (r+d
1) (Fig. 2).
The perforate radius of first layer bar shaped diaphragm seal is got R
1=r.Maximum bar shaped diaphragm seal does not participate in motion, is fixed groove, the perforate radius R of fixed groove
n=D.The perforate radius D of fixed groove has determined the moving radius that axostylus axostyle is final, and other each bar shaped diaphragm seal is placed in the fixed groove.Fixed groove is the restriction that the size of last piece bar shaped diaphragm seal (n piece) is subjected to the circular seal chip size.
Size for the perforate II of the quantity of bar shaped diaphragm seal and each bar shaped diaphragm seal is determined:
When supposing the motion beginning, the bar shaped diaphragm seal all is in central position (Fig. 2), the distance that the bar shaped diaphragm seal moves to down one deck bar shaped diaphragm seal edge at every turn is m, first layer bar shaped diaphragm seal is after left movement m distance, the left side reaches second layer bar shaped diaphragm seal verge of opening, simultaneously in first layer bar shaped diaphragm seal end, left side and second layer bar shaped diaphragm seal end part aligning; On the right side, there is length d first layer bar shaped diaphragm seal end and second layer bar shaped diaphragm seal end
2Overlap joint.Obtain thus, the edge of a wing length L when last one deck bar shaped diaphragm seal (fixed groove) both sides is 2m+d
2The time, the requirement that can satisfy the relative movement of bar shaped diaphragm seal and keep sealing.Fixed groove is for satisfying the requirement of holding the bar shaped diaphragm seal, and the edge of a wing length L of fixed groove should be not less than 2m+d
2
Obtain all parameters of every layer of bar shaped diaphragm seal, when known bar axle radius r and bar shaped diaphragm seal motion of mechanism radius D, also will know quantity n and the each move distance m of bar shaped diaphragm seal of bar shaped diaphragm seal.
N level diaphragm seal is realized (n-1) inferior motion, and mobile distance is (n-1) m(Fig. 2), then:
（n-1）×m+r=D （Eq.5）
Then: m=(D-r)/(n-1) (Eq.6)
If the edge of a wing length of fixed groove is L, (Fig. 2) arranged then:
L=2m+d
2 （Eq.3）
Convolution (Eq.3), formula (Eq.6), then diaphragm seal quantity n is by formula is definite down:
n=2（D-r）/（L-d）+1 （Eq.7）
Because the sheet number can only round, actual sheet is counted n ' and is:
n′=[n]+1=[2（D-r）/（L-d）+1]+1 （Eq.8）
By formula (Eq.7) as can be known, if opening radius D is more big, edge of a wing length L is more little, and the diaphragm seal quantity that needs is more many.When L 〉=D+d, one deck movable plate, a fixed groove just can be realized sealing.
After calculating n ', with n ' replacement n, calculate the each displacement distance m of diaphragm seal according to formula (Eq.6), calculate the size of each diaphragm seal again.
Just can know the perforate radius by following formula, the diaphragm seal radius.
First layer bar shaped diaphragm seal: perforate radius R
1=r, diaphragm seal radius S
1=r+2m+d
2
Second layer bar shaped diaphragm seal: perforate radius R
2=r+m, diaphragm seal radius S
2=r+3m+d
2
The 3rd layer of bar shaped diaphragm seal: perforate radius R
3=r+2m, diaphragm seal radius S
3=r+4m+d
2
……
N layer bar shaped diaphragm seal: perforate radius R
n=r+ (n-1) m=D, diaphragm seal radius S
n=r+ (n+1) m+d
2=D+2m+d
2
The edge of a wing length L (not perforate length) of learning all bar shaped diaphragm seals by formula is 2m+d
2, relevant with the displacement distance m of each bar shaped diaphragm seal.So want to reduce the size of fixed groove, then can reduce each displacement distance m by the quantity that increases the bar shaped diaphragm seal, also just reduced the edge of a wing length L of diaphragm seal and the size of fixed groove simultaneously.Satisfy 2m+d by this method result calculated
2≤ L
a, L
aActual edge of a wing length for fixed groove.
Known axostylus axostyle radius r, the maximum operating radius R ' of axostylus axostyle, the maximum radius S of bar shaped diaphragm seal in the straight reciprocating motion seal arrangement
nBe D+L, satisfy the safety movement requirement.The maximum radius of circular seal sheet is R(Fig. 1).
The beneficial effects of the utility model:
When (1) the utility model provides a kind of motor axostylus axostyle to do the circumference to-and-fro motion of radius variable with respect to working box, satisfy the device of the basic seal request of working box; Described device has not only solved working box medium and a large amount of problems of leaking of noise in the working procedure, has improved the environmental-protecting performance of equipment, has improved operating environment, and simple in structure, easy for installation, with low cost;
(2) the utility model is by the combination of circular movement seal arrangement and straight reciprocating motion seal arrangement, chimeric circular movement seal arrangement in the hole slot of working box opening, and in the rectangular perforate I of circular movement seal arrangement the fixing straight reciprocating motion seal arrangement formed of multilayer bar shaped diaphragm seal, realized the sealing of working box in the straight reciprocating motion of motor axostylus axostyle;
(3) the utility model can design according to the size of casing and the size of axostylus axostyle border circular areas motion, thereby determines quantity and the concrete size of diaphragm seal, has realized the doulbe-sides' victory of economical with materials and sealing effect, has reached the better economic effect;
(4) combined type servo sealer described in the utility model has utilized the space of casing to greatest extent, under the limited prerequisite in space, obtains the zone of action of machine operation;
(5) the utility model is not only applicable to axostylus axostyle, is applicable on the device of sealing when some need realize moving yet.
Description of drawings
Fig. 1 is the decomposition texture schematic representation of circular movement seal arrangement in the utility model;
Fig. 2 is principle exploded view of the present utility model;
The principle exploded view of Fig. 3 the utility model cathetus reciprocating movement sealing device;
Wherein: 1. hole slot, 2. circular seal sheet, 3. perforate I.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment 1:
Be used for the combined type servo sealer in axostylus axostyle circus movement zone, comprise circular movement seal arrangement and straight reciprocating motion seal arrangement.Described circular movement seal arrangement comprises the hole slot of ring and is entrenched in the circular seal sheet that hole slot is inner and can freely rotate that described circular seal sheet is the metal diaphragm seal that is provided with rectangular perforate I; Described circular seal sheet and straight reciprocating motion seal arrangement are fixedly linked at perforate I place.Described straight reciprocating motion seal arrangement comprises fixed groove and is arranged on the multilayer bar shaped diaphragm seal of the overlapping placement of fixed groove inside; Be provided with the rectangular metal diaphragm seal of perforate II centered by the described bar shaped diaphragm seal, the length of described multi-layer sealed perforate II from top to bottom increases successively; Described fixed groove is the box of being made up of the bar shaped diaphragm seal of two perforate II maximums, and the width of described fixed groove is not less than the width of bar shaped diaphragm seal, and the thickness of described fixed groove is greater than the thickness sum of other bar shaped diaphragm seals.
The radius of described hole slot is D
c, the distance between the guide groove wall of described perforate I and hole slot is d
c, the size of described perforate I and the size of fixed groove coupling, the radius of described circular seal sheet is R
c, have following relation: D between the above-mentioned parameter
c〉=R
c+ d
c(Eq.1); The perforate radius R of described first layer bar shaped diaphragm seal
1Equal the axostylus axostyle radius r, described every layer of bar shaped diaphragm seal is m by the distance that the central position in when beginning moves to down one deck bar shaped diaphragm seal edge, and the aperture widths of described n layer bar shaped diaphragm seal is r, perforate length R
n=(n-1) * and m+r, the distance of the perforate of described every layer of bar shaped diaphragm seal and diaphragm seal upper/lower terminal is d
1, the distance at the perforate of described every layer of bar shaped diaphragm seal and the left and right two ends of bar shaped diaphragm seal is L, and the lap length between the described adjacent bar diaphragm seal is not less than d
2, the perforate length D of described fixed groove is the moving radius of multilayer bar shaped diaphragm seal; There is following relation between the above-mentioned parameter:
R
c>D+L（Eq.2），L=2m+d
2（Eq.3），D=R
n=(n-1)×m+r （Eq.4）
Obtain the quantity n=[2 of described diaphragm seal (D-r)/(L-d according to Eq.3 and Eq.4
2)+1]+1; Described y=[x] be bracket function.
The open part that described hole slot is fixed on working box is the sealing in the working box when realizing the axostylus axostyle motion, and described means of fixation is solid for welding or the fourth of the twelve Earthly Branches.The rectangular tapping that described fixed groove is fixed on the annular seal sheet is the sealing in the working box when realizing the axostylus axostyle straight reciprocating motion, and described means of fixation is solid for welding or the fourth of the twelve Earthly Branches.Sealing means between described axostylus axostyle and the first layer bar shaped diaphragm seal is shaft sealing.
Claims (4)
1. be used for the combined type servo sealer in axostylus axostyle circus movement zone, it is characterized in that: comprise circular movement seal arrangement and straight reciprocating motion seal arrangement; Described circular movement seal arrangement comprises the hole slot (1) of ring and is entrenched in the circular seal sheet (2) that hole slot (1) is inner and can freely rotate that described circular seal sheet (2) is to be provided with rectangular perforate I(3) sheet metal; Described circular seal sheet (2) and straight reciprocating motion seal arrangement are at perforate I(3) locate to be fixedly linked; Described straight reciprocating motion seal arrangement comprises fixed groove and is arranged on the multilayer bar shaped diaphragm seal of the overlapping placement of fixed groove inside; Be provided with the rectangular sheet metal of perforate II centered by the described bar shaped diaphragm seal, the length of described multi-layer sealed perforate II from top to bottom increases successively; Described fixed groove is the box of being made up of the bar shaped diaphragm seal of two perforate II maximums, and the width of described fixed groove is not less than the width of bar shaped diaphragm seal, and the thickness of described fixed groove is not less than the thickness sum of other bar shaped diaphragm seals; The radius of described hole slot is D
c, the distance between the guide groove wall of described perforate (2) and hole slot (1) is d
c, described perforate I(3) size and the size of fixed groove coupling, the radius of described circular seal sheet (2) is R
c, have following relation: D between the above-mentioned parameter
c〉=R
c+ d
c(Eq.1);
The perforate radius R of described first layer bar shaped diaphragm seal
1Equal the axostylus axostyle radius r, described every layer of bar shaped diaphragm seal is m by the distance that the central position in when beginning moves to down one deck bar shaped diaphragm seal edge, and the aperture widths of described n layer bar shaped diaphragm seal is 2r, perforate length R
n=(n-1) * and m+r, the distance of the perforate of described every layer of bar shaped diaphragm seal and diaphragm seal upper/lower terminal is d
1, the distance at the perforate of described every layer of bar shaped diaphragm seal and the left and right two ends of bar shaped diaphragm seal is L, and the lap length between the described adjacent bar diaphragm seal is not less than d
2, the perforate length D of described fixed groove is the moving radius of multilayer bar shaped diaphragm seal; There is following relation between the above-mentioned parameter:
R
c>D+L（Eq.2），L=2m+d
2（Eq.3），D=R
n=(n-1)×m+r （Eq.4）
Obtain the quantity n=[2 of described diaphragm seal (D-r)/(L-d according to Eq.3 and Eq.4
2)+1]+1; Described y=[x] be bracket function.
2. the combined type servo sealer for axostylus axostyle circus movement zone according to claim 1, it is characterized in that: the open part that described hole slot (1) is fixed on working box is the sealing in the working box when realizing the axostylus axostyle motion, and described means of fixation is solid for welding or the fourth of the twelve Earthly Branches.
3. the combined type servo sealer for axostylus axostyle circus movement zone according to claim 1, it is characterized in that: the rectangular tapping that described fixed groove is fixed on the annular seal sheet is the sealing in the working box when realizing the axostylus axostyle motion, and described means of fixation is solid for welding or the fourth of the twelve Earthly Branches.
4. the combined type servo sealer for axostylus axostyle circus movement zone according to claim 1, it is characterized in that: the sealing means between axostylus axostyle and the first layer bar shaped diaphragm seal is shaft sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320115628 CN203162164U (en) | 2013-03-14 | 2013-03-14 | Combined follow-up sealing device for circular motion area of shaft lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320115628 CN203162164U (en) | 2013-03-14 | 2013-03-14 | Combined follow-up sealing device for circular motion area of shaft lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162164U true CN203162164U (en) | 2013-08-28 |
Family
ID=49023349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320115628 Expired - Fee Related CN203162164U (en) | 2013-03-14 | 2013-03-14 | Combined follow-up sealing device for circular motion area of shaft lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162164U (en) |
-
2013
- 2013-03-14 CN CN 201320115628 patent/CN203162164U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140314 |