CN103904819B - Direct acting device - Google Patents
Direct acting device Download PDFInfo
- Publication number
- CN103904819B CN103904819B CN201410091571.0A CN201410091571A CN103904819B CN 103904819 B CN103904819 B CN 103904819B CN 201410091571 A CN201410091571 A CN 201410091571A CN 103904819 B CN103904819 B CN 103904819B
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- China
- Prior art keywords
- mentioned
- workbench
- seal band
- direct acting
- banding
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2418—Screw seals, wipers, scrapers or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/20—Packing materials therefor
- F16J15/22—Packing materials therefor shaped as strands, ropes, threads, ribbons, or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Basic Packing Technique (AREA)
- Sealing Devices (AREA)
Abstract
A kind of direct acting device, prevents dust from being invaded in housing.The seal band of banding is with the length for blocking opening portion across the upper surface of workbench, when the seal band of banding crosses over the upper surface of workbench, sealing band guide is contacted with the seal band of banding, and bend the seal band of banding, act power, the active force makes the seal band not across the banding in the region of the upper surface of workbench be fixed to attachment members, when the seal band of banding crosses over the upper surface of workbench, slide blocks workbench lid and the gap between the upper surface of side cover and the seal band of banding.
Description
The present invention is the Chinese Patent Application No. submitted on June 17th, 2010 of the applicant for 201010206003.2,
The divisional application of entitled " direct acting device ".
Technical field
The present invention relates to for example make the direct acting device of sliding block direct acting by ball-screw or hydraulic cylinder, more particularly in even
Tie the improvement of the workbench on sliding block and the dust guard being accommodated between the housing of the sliding block for operating the workbench.
Background technology
In the past, this direct acting device in order to prevent dust to invade in housing and to the opening portion of housing there is provided banding
Seal band.
But, because workbench is attached on sliding block, so construction of the seal band as banding across sliding block.Cause
This, the situation that the gap for having the seal band of the banding that dust floats under being acted in sliding block is invaded in housing.
In order to prevent the situation, such as less gap dare to be set between workbench and housing, will be pressurizeed in housing
To prevent the intrusion of dust, or the sliding panel of flexibility is set in the gap of workbench and housing prevents the intrusion of dust.
Also, in order that opening portion from the seal band of banding to housing touch, as by roller or scraper plate etc. from banding
The construction that the upper surface of seal band pushes the seal band of banding to the opening portion of housing.
Additionally, in order to prevent the seal band of banding from floating from housing, the seal band in banding and the opening portion of housing
Between produce gap, apply tension force as the seal band to banding and be always to maintain the construction of tense situation.
The method for applying tension force as the seal band to banding, as the seal band that roller or scraper plate are pressed against banding
Upper surface and lower surface on construction.
Additionally, the tension force of the seal band in order to suitably keep banding, by the elastomeric element branch such as roller or scraper plate spring
Support.
[patent document 1] Japanese Unexamined Patent Publication 2000-197304 publications
The microfilm of [patent document 2] Japanese Patent Publication 4-60642
The microfilm of [patent document 3] Japanese Unexamined Patent Publication 63-172545
The microfilm of [patent document 4] Japanese Patent Publication 3-33041
[patent document 5] Japanese Unexamined Patent Publication 2000-61681 publications
[patent document 6] Japanese Unexamined Patent Publication 2006-43856 publications
But, it is necessary to be used for the compressor and pipe arrangement of supply pressure in the method pressurizeed in by housing, in addition in flexibility
Sliding panel in, have the more complicated problem of the shape and installation method of part.
Additionally, in the dust tight construction of conventional seal band, it is necessary to by opening portion from the seal band of banding to housing
The mechanism of pushing and the seal band to banding apply the mechanism of tension force.
Additionally, the friction that the tension band of the seal band in order to reduce banding comes, it is necessary to the seal band and work of banding
Make to use between platform the material of roller or low friction, construct more complicated.
Additionally, having the tension force by the seal band of banding or friction, make the resistance to sliding of device itself larger, to driving
The larger problem of the load of the motor of device etc..
The content of the invention
The present invention is made to solve the problems, such as such conventional, a kind of not to the close of banding the purpose is to provide
Seal ring band applies tension force, and the seal band of banding is not pushed to the opening portion of housing, and is prevented from dust to housing
The direct acting device of interior intrusion.
The direct acting device that technical scheme 1 is related to is characterised by possessing：Housing, is formed with opening portion in the longitudinal direction；
Side cover, the both sides of the length direction of above-mentioned opening portion are located at along above-mentioned opening portion；Attachment members, are located at along above-mentioned opening portion
The respective above-mentioned opening portion side of above-mentioned side cover；Sliding block, is equipped with workbench, above-mentioned workbench is protruded than above-mentioned opening portion,
And the length direction reciprocating motion along above-mentioned housing is received freely；Seal band, to cross over the upper surface of above-mentioned workbench
And the mode of the length direction of above-mentioned opening portion is covered, and both ends are fixed on above-mentioned housing, both sides are by above-mentioned facies posterior hepatis
Part is fixed；And sealing band guide, in above-mentioned movable workbench, make above-mentioned seal band in the length of above-mentioned workbench
Side is upwardly formed and the bending section that above-mentioned workbench is not contact condition；Above-mentioned seal band has to be crossed under not contact condition
The upper surface of above-mentioned workbench and by above-mentioned opening portion block length；When above-mentioned seal band across the upper table of above-mentioned workbench
During face, above-mentioned sealing band guide is contacted with above-mentioned seal band and bends above-mentioned seal band, as with above-mentioned work
The discontiguous state of platform, and power is acted, the active force makes the upper table across above-mentioned workbench not under not contact condition
The above-mentioned seal band in the region in face is fixed to above-mentioned attachment members.
The invention that technical scheme 2 is related to is in the direct acting device that technical scheme 1 is recorded, it is characterised in that seal band is led
The portion of drawing is located on the front and rear part of the length direction of workbench.
The invention that technical scheme 3 is related to is in the direct acting device that technical scheme 1 or 2 is recorded, it is characterised in that seal band
Upper surface of the guidance part from the upper surface of workbench towards side cover is hung down, and is separated gap relative to the upper surface of side cover and matched somebody with somebody
Put.
The invention that technical scheme 4 is related to is in the direct acting device that technical scheme 1 is recorded, it is characterised in that seal band is led
The portion of drawing is located at the front and rear part of the length direction of workbench lid, and the workbench lid is installed on workbench.
The invention that technical scheme 5 is related to is in the direct acting device that technical scheme 4 is recorded, it is characterised in that seal band is led
Draw upper surface of the portion from the upper surface of workbench towards side cover to hang down, and separate gap configuration relative to the upper surface of side cover.
The invention that technical scheme 6 is related to about technical scheme 1~5 any one record direct acting device in, its feature
It is that the upper surface of workbench is formed as the front and rear part arch lower than central portion of length direction.
The invention that technical scheme 7 is related to is in the direct acting device that any one of technical scheme 1~6 is recorded, it is characterised in that
Attachment members are flat thin magnets；Banding sealing band is made up of magnetic material.
The invention that technical scheme 8 is related to is in the direct acting device that any one of technical scheme 1~6 is recorded, it is characterised in that
Attachment members are silicon rubber, polyurethane or the polyurethane for being coated with bonding agent.
The invention that technical scheme 9 is related to is in the direct acting device that any one of technical scheme 1~8 is recorded, it is characterised in that
Workbench possesses：Maintaining part, is located on the complete cycle of workbench, and insertion keeps slide；And pressing portion, it is located at the bottom of maintaining part
On the contact surface contacted with slide on face, slide is pushed to housing direction.
The invention that technical scheme 10 is related to is in the direct acting device that technical scheme 9 is recorded, it is characterised in that pressing portion passes through
The contact surface contacted with slide of bottom surface is made into concaveconvex shape and is formed.
In the direct acting device that any one of technical scheme 4~8 is recorded, its feature exists for the invention that technical scheme 11 is related to
In workbench lid possesses：Maintaining part, is located on the complete cycle of workbench lid, and insertion keeps slide；And pressing portion, it is located at guarantor
Hold on the contact surface contacted with slide on the bottom surface in portion, slide is pushed to housing direction.
The invention that technical scheme 12 is related to is in the direct acting device that technical scheme 11 is recorded, it is characterised in that pressing portion is led to
Cross and the contact surface contacted with slide of bottom surface is made concaveconvex shape and formed.
In the direct acting device that any one of technical scheme 1~12 is recorded, its feature exists for the invention that technical scheme 13 is related to
In sliding block includes two parts, and the arranged in series on the length direction of housing.
The invention that technical scheme 14 is related to is in the direct acting device that technical scheme 13 is recorded, it is characterised in that seal band
Guidance part is located on the front and rear part of the length direction of workbench lid and pars intermedia, and the workbench lid is installed on workbench.
In the direct acting device that any one of technical scheme 1~14 is recorded, its feature exists for the invention that technical scheme 15 is related to
In the width of sealing band guide is 50~80% relative to the width of banding sealing band.
Invention effect
It is the direct acting device with workbench according to the present invention, and by the way that the opening portion of housing is sufficiently sealed, can
Prevent dust from invading and there is dust reduction capability, and be prevented from the maximization of device.
Further, since workbench is smaller relative to the resistance to sliding of the seal band of banding, it is possible to carrying out high accuracy
Positioning, it is and smaller to the load of the motor etc. for driving direct acting device, compared with energy-conservation, long lifetime can be conducive to.
Further, since tension force need not be applied to the seal band of banding, so sealing band guide is only contacted close
The upper surface of seal ring band, resistance to sliding is smaller, and bullet need not be used for the tension force of the seal band of banding in order to adjust
The elastomeric element such as spring support roller or scraper plate.
Further, since the lower surface of the seal band of banding will not be with the upper surface of workbench, so will not occur
For the unwanted tension force of the seal band of banding, resistance to sliding is smaller.
Additionally, by by two parts of sliding block arranged in series or using the sliding block for increasing total length, by increasing capacitance it is possible to increase work
The bearing capacity of platform.
Even if additionally, lengthening the length of workbench in order to increase the bearing capacity of workbench, by sliding block arranged in series two
In the case of individual part, it is also possible to connecing for the inner side to workbench lid is prevented by adding sealing band guide in pars intermedia
Touch and reduce the contact area of the upper surface of the seal band of banding.
Brief description of the drawings
Fig. 1 is the top view of the direct acting device that first embodiment of the invention is related to.
Fig. 2 is the sectional view along the line A-A of Fig. 1.
Fig. 3 is the sectional view along the line B-B of Fig. 1.
Fig. 4 is by the sectional view of the major part enlarged representation of Fig. 2.
Fig. 5 is by the stereogram of the major part enlarged representation of Fig. 2.
Fig. 6 is the pass of the seal band 23 for representing workbench 12, workbench lid 16, sealing band guide 16j and banding
The sectional view of system.
Fig. 7 be the seal band 23 of the workbench lid 16 of the direct acting device of Fig. 1 and banding is removed, by workbench lid 16
Sealing band guide 16j leaves the stereogram of expression.
In Fig. 8,（a）It is the stereogram for representing workbench lid 16,（b）It is to represent for slide 37 to be arranged on workbench lid 16
On state stereogram,（c）It is the stereogram of the bearing surface of the resettlement section 16f for representing workbench lid 16.
Fig. 9 is the stereogram for representing slide 37.
Figure 10 is to represent to make the contact surface of workbench lid 16 and slide 37 to be made up of convex portion 16g and recess 16h
The sectional view of the example of continuous chevron.
Figure 11 is the sectional view for representing the example that the contact surface of workbench lid 16 and slide 37 is made plane.
Figure 12 is the sectional view of the relation for representing workbench lid 16, slide 37 and side cover 8.
Figure 13 is to represent the explanatory diagram that the direct acting device of Fig. 1 is made the example of wall hanging and the example of horizontal positioned.
Figure 14 is the stereogram for representing the workbench 12 for possessing slide 37.
Figure 15 is the stereogram of the direct acting device that second embodiment of the present invention is related to.
Figure 16 is to represent remove the workbench lid 16 of the direct acting device of Figure 15, guide the seal band of workbench lid 16
The stereogram of the workbench 12 that portion 16j leaves.
Figure 17 is by the stereogram of the major part enlarged representation of Figure 16.
Figure 18 is to represent two workbench 12,16, two sealing band guide 16j of workbench lid, the sealing ring in center
The sectional view of the relation of the seal band 23 with guidance part 16k and banding.
Description of symbols
1 motor
2 brackets
3 ball-screws
4 housings
5 flanges
7 magnet
8 side covers
The upper surface of 8a side covers 8
10 lead screw shaft
11 sliding shoes
12 workbench
12c recesses
Tapered portion in the middle of 12d
12e sealing band guides
13 guide channels
16 workbench lids
16a top panels
16b side panels
16c front and back panels
16d side ribs
16e front-back ribs
16f resettlement sections
16g convex portions
16h recesses
16j, 16k sealing band guide
18 ball-screw nuts
20 opening portions
The seal band of 23 bandings
34 work tops
37 slides
37a lid side joint contacting surfaces
37b seal band side joint contacting surfaces
Specific embodiment
Hereinafter, the present invention is illustrated based on implementation method shown in the drawings.
（First embodiment）
Fig. 1 to Figure 13 represents direct acting (straight Move) device that first embodiment of the invention is related to.
In figure, 1 is motor, and 2 is the bracket that the ball-screw 3 that will be accommodated in housing 4 links with motor 1.
As shown in Figure 1 and Figure 2, one end is via screw link on motor 1 for bracket 2.Additionally, axial direction of the bracket 2 along housing 4
Hollow bulb 2a is provided with, the linking part 9 of shaft coupling etc. is provided with hollow bulb 2a.On linking part 9, motor drive shaft 1a is attached at ball
In the lead screw shaft 10 of leading screw 3.
Housing 4 as shown in Figure 2 and Figure 3, axial direction top along sliding shoe 11 moving direction, be axially formed opening portion
20, the both ends opening of axial direction.The recess 4a formed by opening portion 20 is formed with to move back and forth and receives sliding shoe freely（It is sliding
Block）11 guide channel 13, the sliding shoe is along the two medial surface 4b of recess 4a axially in the axial direction by the work of ball-screw 3
With moving back and forth.
Additionally, housing 4 bracket 2 and is closed on an openend via screw link, on another openend
Flange 5 via screw link and be closed.
Sliding shoe 11 is provided with workbench 12 on an upper.
On sliding shoe 11, as shown in Figure 2 and Figure 3, the ball-screw nut 18 of ball-screw 3, the quilt of sliding shoe 11 are configured with
Slided along the guide channel 13 being formed in the recess 4a of housing 4, can be past together with the ball-screw nut 18 of ball-screw 3
Multiple motor performance workbench 12.
Workbench 12 is configured to, and the opening portion 20 for being passed to housing 4 moves back and forth.
In the axial direction of the both sides of the opening portion 20 of housing 4, as shown in Figure 1 to Figure 3, side cover 8 via screw link.
The seal band 23 of banding is equipped with the upper surface 8a of side cover 8, so that it blocks opening portion 20.
The seal band 23 of banding as shown in Figures 1 to 7, is covered from the upper surface of workbench 12 with the axial direction in housing 4
Mode to both sides 12b is set, the both ends of the length direction of the seal band 23 of banding by the top of workbench 12
It is fixed on bracket 2 and flange 5 by screw 30a, the both sides of the length direction of the seal band 23 of banding are by being located at side
Magnet 7 on lid 8 is adsorbed on side cover 8.
In addition, the seal band 23 of banding is preferably capable of the gradient of the both sides 12b of cooperating platform 12 and obtains
It is appropriate it is bending, have resilient stainless steel substrates etc., for example with to a certain degree elastic be made up of magnetic material it is thin
Plate, has the precipitation hardenable of the martensitic stain less steel of such as SUS440, SUS410 etc., such as SUS631, SUS632 etc. stainless
Ferritic stainless steels, SK materials of steel, such as SUS430 etc. etc..In addition, SUS303, SUS304, SUS316, SUS304 etc.
Do not have magnetic stainless steel substrates as austenitic stainless steels due to that can not be adsorbed onto on magnet 7, so cannot function as banding
Seal band 23 use.
In addition, so-called elasticity, refers to characteristic as the leaf spring produced by the elasticity of the seal band 23 of banding.
Workbench 12 is formed as central portion than arch that both sides 12b swells in the axial direction of housing 4.Workbench 12 is provided with
Two recess 12c of the upper surface 8a for inserting the side cover 8 being located on magnet 7 respectively from both sides.By two recess 12c, in work
Make to form middle tapered portion 12d on platform 12.Workbench 12 erects multiple jut 12a and forms approximate horizontal imagination upward
Work top 34.
On table 12, to cover the part of workbench 12 in addition to work top 34 in the way of workbench is installed
Lid 16.
Workbench lid 16 is by the dimetric top panel 16a with the slightly narrow width of the width than housing 4, hang down downward
Lower and side panel 16b on the both sides of plate 16a located in the above and hang down downward and plate 16a located in the above it is front and rear
Front and back panel 16c is constituted.
The bottom of side panel 16b and front and back panel 16c is formed parallel to the upper surface 8a of side cover 8, side panel 16b and
The bottom of front and back panel 16c separates certain gap S and configures as shown in figure 12, with the upper surface 8a of side cover 8.Here, necessarily
As long as the less gap of gap S such as 0.5mm or so just can be with.
In side panel 16b and the inner side of front and back panel 16c, the slide of the tabular of elongate sheet is installed around complete cycle
（wiper）37.
In the inner side of the front and back panel 16c of workbench lid 16, being respectively equipped with the magnet 7 by being located on side cover 8 makes banding
Seal band 23 be closely contacted on sealing band guide 16j on side cover 8.
The seal band 23 of banding is fixed on bracket 2 and flange 5 by screw 30a, but the seal band 23 of banding
The length of axial direction has remainder, allows it to pass through across workbench 12.
Therefore, if the seal band 23 of banding turns into stationary state in both ends under the absorption affinity effect of magnet 7, by
The remainder of the seal band 23 of the banding that sealing band guide 16j is pushed from upper surface passes through the seal band 23 of banding certainly
Body elasticity and be formed naturally bending section 23a.
And then, the seal band 23 itself that bending section 23a passes through banding elasticity and playing makes the seal band 23 of banding
To the force function that magnet 7 is adsorbed, even if so in addition without force application mechanism, it is also possible to made by sealing band guide 16j
The seal band 23 of banding is adsorbed to magnet 7.
Additionally, the seal band 23 of banding be adjusted to by between the downside of workbench lid 16 and the upside of workbench 12,
But the bending section 23a of the seal band 23 of banding had both been not exposed to the inner side of plate 16a above workbench lid 16, or had been not exposed to
Length as the upper surface of workbench 12.
The upper surface of workbench 12 is arcuation, the seal band 23 of banding is not exposed in the normal state, but play peace
Dress workbench lid 16 and form the complementary effect of bending section 23a.
Additionally, sealing band guide 16j is not the construction that the seal band 23 of banding is pushed to magnet 7, relative to
The upper surface 8a of side cover 8 is also installed on workbench lid 16 with gap, so there is no rubbing for the seal band 23 for pushing banding
Wipe power.And then, because the power being applied in contact portion of the seal band 23 of banding with sealing band guide 16j is also
The seal band 23 of the banding elastic power of itself, so being nearly free from frictional force.
Then, by Fig. 6, to the seal band of workbench 12, workbench lid 16, sealing band guide 16j and banding
23 relation is illustrated.
Here, size F is the axial distance of workbench lid 16, and size C is the distance between sealing band guide 16j,
Size X is from the top surface of workbench lid 16 to the seal band of banding（It is pasted onto the position on side cover 8）23 distance, size Y
Top and the seal band of banding for workbench 12（It is pasted onto the position on side cover 8）23 distance, size Z is seal band
The seal band of guidance part 16j and banding（It is pasted onto the position on side cover 8）23 distance, rD is the seal band 23 of banding
Radius of curvature, rE is radius of curvature of the sealing band guide 16j to the contact site of the seal band 23 of banding.
The condition of present embodiment is as described below.Size Y is constructively necessary.Size X wants as low as possible.Size
F wants to shorten to obtain the stroke of workbench 12.Radius of curvature rD and the seal band guiding of the seal band 23 of banding
Portion 16j to the radius of curvature rE of the contact site of the seal band 23 of banding due to having influence on the life-span of the seal band 23 of banding and
Want as big as possible.
In order to increase the radius of curvature rD and sealing band guide 16j of the seal band 23 of banding to the sealing ring of banding
Radius of curvature rE with 23 contact site is, it is necessary to increased in size C, but if increased in size C, then size F also becomes big simultaneously.
So, float the amount of size Z by making sealing band guide 16j, even if not increased in size C, it is also possible to increase
The radius of curvature rD and sealing band guide 16j of song from the seal band 23 of banding to the contact site of the seal band 23 of banding
Rate radius rE.
Although expecting also making size C for original state by reducing size Z, in the case, the seal band of banding
23 radius of curvature rD and sealing band guide 16j diminishes to the radius of curvature rE of the contact site of the seal band 23 of banding.
So, the position of sealing band guide 16j is determined, so that it is not the seal band 23 for pushing banding securely
Upper surface, and can with sealing band guide 16j push banding seal band 23 flexed portion（Bending section 23a）'s
Inclined midway.
Also, the leading section of sealing band guide 16j is as shown in Fig. 4, Fig. 8, chamfering 16j ＇ are set, so as to reduce and band
The abrasion of the seal band 23 of shape, so as to avoid the face contact of the seal band 23 to banding, reduce the sealing ring of banding
With 23 load, and pay durability.
Then, reference picture 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, describes in detail to the slide 37 on workbench lid 16.
On workbench lid 16, in order to house slide 37, it is respectively parallel to side panel 16b and front and back panel 16c and matches somebody with somebody
The side rib 16d and front-back rib 16e of setting of being hung down from top panel 16a are equipped with, throughout side panel 16b's and front and back panel 16c
Inner side complete cycle and be provided with resettlement section 16f.
Additionally, sealing band guide 16j is smaller than the width of the seal band 23 of banding, the two of the seal band 23 of banding
Do not contacted near side, it is possible to preventing the deterioration near the both sides of the seal band 23 of banding.Sealing band guide 16j's
The width that width is preferably the seal band 23 relative to banding is 50~80%.
Form bearing surface such as Fig. 8 of the bottom surface of resettlement section 16f（c）It is shown, it is the company being made up of convex portion 16g and recess 16h
Continuous chevron.
Synthetic resin of the slide 37 with rubber or with elastic force as material, by contacting in the convex portion of workbench lid 16
Lid side joint contacting surface 37a, the sealing contacted on the upper surface 8a of side cover 8 and the seal band 23 of banding on 16g and recess 16h
The holding of annulus side joint contacting surface 37b and contact on side panel 16b, front and back panel 16c, side rib 16d and front-back rib 16e
Face 37c is constituted.Slide 37 is maintained at resettlement section by being pressed into the resettlement section 16f of workbench lid 16 with frictional force
In 16f.
Then, referring to figs. 1 to Fig. 4, the effect to direct acting device of the present embodiment is illustrated.
If acting the lead screw shaft 10 of ball-screw 3 by the action of motor 1, with the rotation of lead screw shaft 10, rolling
Screw nut 18 is moved axially along lead screw shaft 10.Therewith, sliding shoe 11 is moved in the axial direction.By the shifting of sliding shoe 11
Dynamic, workbench lid 16 is moved in the top of the seal band 23 of banding, and workbench 12 is moved in the lower section of the seal band 23 of banding
It is dynamic.
Now, the bending section 23a of the seal band 23 of banding also links under sealing band guide 16j effects and moves,
So the seal band 23 of banding can be moved always with workbench 12 and the discontiguous state of workbench lid 16, can obtain
The less dust tight construction of resistance to sliding of the tension force for the seal band 23 of banding and the friction belt along with tension force.
On the upper surface 8a of side cover 8, the seal band 23 of banding is provided with the way of occlusion of openings portion 20, it is possible to
The undesirable condition for preventing dust etc. from being invaded from opening portion 20 occurs.Even if when workbench 12 is moved, also while using seal band
Guidance part 16j pushes the seal band 23 of banding while moving, it is possible to always making the seal band 23 of banding close with side cover 8
Connect, be prevented from invading dust from the unlapped part of workbench lid 16.
And then, by the slide 37 on workbench lid 16, it is prevented from dust etc. from workbench lid 16 and side
The undesirable condition that the gap of the upper surface 8a of lid 8 and the seal band 23 of banding is invaded in workbench lid 16 occurs, and can obtain
To dust tight construction.
Generally, this slide is using rubber or has a material of resilient synthetic resin etc., but due to elastic force,
So the problem that the dimensional accuracy of generating means is deteriorated.Further, since by multiple component combinations, so workbench lid 16 and side cover
The gap of 8 upper surface 8a and the seal band 23 of banding is also not limited to certain.
That is, the size in slide 37 becomes the upper table of the situation smaller than desired size or workbench lid 16 and side cover 8
It is upper with side cover 8 in slide 37 in the case that the gap of the seal band 23 of face 8a and banding becomes bigger than desired size
Occurs gap between the seal band 23 of surface 8a and banding, dust can be invaded.
Conversely, the size in slide 37 becomes the upper table of the situation bigger than desired size, workbench lid 16 and side cover 8
It is upper with side cover 8 in slide 37 in the case that the gap of the seal band 23 of face 8a and banding becomes smaller than desired size
Resistance to sliding between the seal band 23 of surface 8a and banding increases, and the problem that heating and durability decline occurs.
So, in the present embodiment, the contact surface of workbench lid 16 and slide 37 is made by convex portion 16g and recess
The continuous chevron that 16h is constituted, the construction as the scale error for being capable of absorption piece and the combined error of part.
Then, the effect of the scale error of absorption piece and the combined error of part is illustrated.
As shown in figure 11, in the case where the contact surface of workbench lid 16 and slide 37 is made into plane, can absorb
The scale error of above-below direction is only the elastic force of itself of slide 37, so there occurs the situation of error to compression direction
Under, there is repulsion by compression in the overall of slide 37, the repulsion brings the increase of resistance to sliding as former state.
In this regard, as shown in Figure 10, being made by convex portion 16g and recess by by the contact surface of workbench lid 16 and slide 37
The continuous chevron that 16h is constituted, even if in the case where there occurs error to compression direction, one of the slide 37 for being compressed
Point also made a concession to recess 16h, deformation more than slide 37 elastic force of itself can be carried out.
Additionally, installed by the state of slide 37 is compressed slightly in advance, even if in the case of gap enlargement,
Also the gap of slide 37 and the seal band 23 of the upper surface 8a and banding of side cover 8 can be blocked.
Thus, even if in the case where the scale error of part or the combined error of part are larger, it is also possible to prevent dust
Intrusion, it is possible to not increasing cost and obtaining reliable dust tight construction.
Then, the root of the quantity of the chevron to being formed on contact surface of the workbench lid 16 with slide 37, the height on mountain
According to illustrating.
Experimental result it has been confirmed that the quantity on mountain be in the axial direction preferably 4~6 mountains, in width
Upper is 3~4 mountains, and the height on mountain considers that compression ratio is preferred for 5~15% on the basis of the height of slide 37, if into
For more than it, then friction increases, heating and durability decline, and the resistance to sliding of direct acting device increases.
Here, compression ratio（%）It is 1-（H-D）/H×100.In formula, H represents the height of slide 37, and D is represented will be slided
The amount that piece 37 is compressed with the mountain of workbench lid 16, their relation is represented in fig. 12.
Additionally, only by making the slide 37 of the tabular of elongate sheet surround the groove on four sides being made up of resettlement section 16f and
Insertion, it becomes possible to the installation of slide 37 is carried out, so the installation of slide 37 is simpler.Additionally, seam is also without special
Be bonded etc., with it is a piece of making slide 37, so on cost, it is all favourable in manufacture.
In addition, in the above-described embodiment, being made up of resettlement section 16f to the slide 37 of the tabular of elongate sheet is surrounded
Four sides groove and situation about inserting be illustrated, but the present invention is not limited thereto.
For example, as shown in figure 13, in the case where direct acting device of the present embodiment is used as wall hanging, as long as
Without attachment dust on the seal band 23 of banding, even if slide 37 is installed only at into two seal band side joint contacting surface 37b
On, it is also possible to prevent the intrusion of dust.
Additionally, as shown in figure 13, in the case of by the direct acting device horizontal positioned use about present embodiment, dust
Easily remain on the seal band 23 of banding, even if so pacifying only on the front and back panel 16c of the moving direction of workbench 12
Dress slide 37, it is also possible to prevent the intrusion of dust.
As shown in figure 13, by reducing the installation position of slide 37, resistance to sliding can be reduced.
But, in the environment that powdered dust is danced in the air in space, the direct acting that preferably such as above-mentioned implementation method is related to
The slide 37 of the tabular of elongate sheet like that, is surrounded the groove on four sides being made up of resettlement section 16f and inserted by device.
Additionally, in the above-described embodiment, being said during for slide 37 is arranged on workbench lid 16
It is bright, but the present invention is not limited thereto, for example can also as shown in Figure 14, in the lower surface of workbench 12, with workbench lid
16 resettlement section 16f equally sets the resettlement section of slide 37.
Additionally, the installation of slide 37 is as that can be descriptively, both complete cycle in the installation of workbench lid 16,
It can be a part.
Additionally, in the above-described embodiment, for the contact surface of workbench lid 16 and slide 37 has been made by convex portion
The situation of the continuous chevron that 16g and recess 16h are constituted is illustrated, but the present invention is not limited thereto, for example can also be by
Workbench lid 16 is made with the contact surface of slide 37 to be made workbench lid 16 for plane, makes slide 37 be chevron.
Additionally, in the above-described embodiment, for the contact surface of workbench lid 16 and slide 37 has been made by convex portion
The situation of the continuous chevron that 16g and recess 16h is constituted is illustrated, but the present invention is not limited thereto, such as workbench lid
16 can also be by the waveform of the curve link for smoothing with the contact surface of slide 37, it is also possible to only make convex portion 16g parts
Ribbed.
Additionally, in the above-described embodiment, for the contact surface of workbench lid 16 and slide 37 has been made by convex portion
The situation of the continuous chevron that 16g and recess 16h are constituted is illustrated, but the present invention is not limited thereto, for example can also be
Spring is set in the 16f of resettlement section, slide 37 is pushed with spring.
Additionally, in the above-described embodiment, for the slide 37 of the tabular of elongate sheet is surrounded by resettlement section 16f structures
Into four sides groove and situation about inserting is illustrated, but the present invention is not limited thereto, for example can also for quadrilateral segmentations, with
The mode for not opening up gap is attached.
Additionally, in the above-described embodiment, being said during for seal band 23 that banding is adsorbed using magnet 7
It is bright, but the present invention is not limited thereto, for example, can also use the material with self-adhesiveness.In the case, the sealing of banding
Annulus 23 is not limited to the other materials such as magnetic material, or nonmagnetic substance.In addition, as the material with self-adhesiveness
Material, for example, have silicon rubber, polyurethane or be coated with polyurethane of adhesives etc..
Additionally, in the above-described embodiment, the workbench lid 16 for will be provided with sealing band guide 16j is arranged on work
Situation about making on platform 12 is illustrated, but the present invention is not limited thereto, for example as shown in figure 14, it is also possible to by workbench lid 16
Save, sealing band guide 12e is integrally provided on the front-back of the length direction of workbench 12.
（Second embodiment）
Figure 15 to Figure 18 represents the direct acting device that second embodiment of the present invention is related to.
Direct acting device has the situation of the length for requiring to lengthen workbench 12 to increase the bearing capacity of workbench 12.
But, in direct acting device of the first embodiment, if it is desired to increase the bearing capacity of workbench 12, then work
Make platform 12 as shown in figure 3, being formed with the recess 12c of the entrance of side cover 8 due to both sides in the longitudinal direction, so in workbench 12
On be formed with middle tapered portion 12d, it is possible to the intensity of workbench 12 can decline.
So, in the present embodiment, by lengthening the length of workbench 12 and increasing the section of middle tapered portion 12d
Product, by increasing capacitance it is possible to increase the bearing capacity of workbench 12.
Also, if making the bending section 23a of the seal band 23 of the banding of the upside by workbench 12 elongated, then only exist
It is arranged at the sealing band guide 16j on the two ends of workbench 12, the upper surface of the seal band 23 of banding is throughout big model
The interior side contacts to workbench lid 16 are enclosed, there is resistance to sliding, the situation of component wear for producing friction belt.
So, in direct acting device of the present embodiment, 11 attached in series of sliding shoe two is configured, and to
The inner side for being located at the workbench lid 16 of the middle position of the sealing band guide 16j at the two ends of workbench 12 has added sealing ring
Band guidance part 16k.
Other structures are identicals with the direct acting device for having used the first embodiment of 1 sliding shoe 11 to be related to.
Then, guided for setting seal band in the present embodiment, preferably on the middle position of workbench 12
The reasons why portion 16k, illustrates.
The deflection of bending section 23a when a. in order to prevent sliding shoe 11 from moving by bending section 23a, it is necessary to equably be divided into two
It is individual.It is therefore preferable that the sealing band guide 16k of centre is located at the sealing band guide 16j located at the two ends of workbench 12
Center near.
The deflection of bending section 23a when b. in order to prevent sliding shoe 11 from moving by bending section 23a, it is necessary to equably be divided into two
It is individual.It is therefore preferable that summit of the lower surface of the sealing band guide 16k of centre in the bending section 23a that score is two is low
Position.
C. in order to prevent banding seal band 23 both sides near deterioration, middle sealing band guide 16k's
Width is preferably identical with the width of the sealing band guide 16j at the two ends for being located at workbench 12, and relative to banding
The width of seal band 23 is 50~80%.
In addition, the leading section of sealing band guide 16k is as shown in figure 18, before sealing band guide 16j is located at
The chamfering 16j ＇ of end are same, set chamfering 16k ＇ so as to avoid the face of the seal band 23 to banding from contacting and reduce band
The load of the seal band 23 of shape, pays durability etc., so as to reduce the abrasion with the seal band 23 of banding.
In addition, in the present embodiment, being carried out during attached in series configuration for two for 11 points by sliding shoe
Illustrate, but the present invention is not limited thereto, it is also possible to make the total length of 1 sliding shoe 11 elongated.
Additionally, in the above-described embodiment, be illustrated during for using ball-screw 3 as driver, but
The present invention is not limited thereto, for example, can also be the hydraulic cylinder or linear motor for using fluid.
Claims (16)
1. a kind of direct acting device, it is characterised in that possess：
Housing, is formed with opening portion in the longitudinal direction；
Side cover, the both sides of the length direction of above-mentioned opening portion are located at along above-mentioned opening portion；
Attachment members, the respective above-mentioned opening portion side of above-mentioned side cover is located at along above-mentioned opening portion；
Sliding block, is equipped with workbench, above-mentioned workbench is protruded than above-mentioned opening portion, and reciprocal along the length direction of above-mentioned housing
Motion is received freely；
Seal band, in the way of the length direction for covering above-mentioned opening portion across the upper surface of above-mentioned workbench, by two ends
Portion is fixed on above-mentioned housing, and both sides are fixed by above-mentioned attachment members；And
Sealing band guide, in above-mentioned movable workbench, makes above-mentioned seal band on the length direction of above-mentioned workbench
Formed and the bending section that above-mentioned workbench is not contact condition；
Above-mentioned seal band has block above-mentioned opening portion across the upper surface of above-mentioned workbench under not contact condition
Length；
When upper surface of the above-mentioned seal band across above-mentioned workbench, above-mentioned sealing band guide connects with above-mentioned seal band
Touch and bend above-mentioned seal band, as with the discontiguous state of above-mentioned workbench, and act power, the active force makes not have
There is the above-mentioned seal band across the region of the upper surface of above-mentioned workbench under not contact condition to be fixed to above-mentioned attachment members；
Above-mentioned workbench possesses：
Maintaining part, is located on the complete cycle of above-mentioned workbench, inserts and keep slide；And
Pressing portion, is located on the contact surface contacted with above-mentioned slide on the bottom surface of above-mentioned maintaining part, by above-mentioned slide to
Above-mentioned housing direction is pushed.
2. direct acting device as claimed in claim 1, it is characterised in that
Above-mentioned sealing band guide is located on the front and rear part of above-mentioned length direction of above-mentioned workbench.
3. direct acting device as claimed in claim 1, it is characterised in that
Above-mentioned sealing band guide hangs down from the upper surface of above-mentioned workbench towards the upper surface of above-mentioned side cover, and relative to
The upper surface of above-mentioned side cover separates gap configuration.
4. direct acting device as claimed in claim 2, it is characterised in that
Above-mentioned sealing band guide hangs down from the upper surface of above-mentioned workbench towards the upper surface of above-mentioned side cover, and relative to
The upper surface of above-mentioned side cover separates gap configuration.
5. direct acting device as claimed in claim 1, it is characterised in that
Above-mentioned sealing band guide is located at the front and rear part of the above-mentioned length direction of workbench lid, and the workbench lid is installed on above-mentioned
On workbench.
6. direct acting device as claimed in claim 5, it is characterised in that
Above-mentioned sealing band guide hangs down from the upper surface of above-mentioned workbench lid towards the upper surface of above-mentioned side cover, and relatively
Separate gap configuration in the upper surface of above-mentioned side cover.
7. the direct acting device as any one of claim 1~6, it is characterised in that
The upper surface of above-mentioned workbench is formed as the front and rear part arch lower than central portion of above-mentioned length direction.
8. the direct acting device as any one of claim 1~6, it is characterised in that
Above-mentioned attachment members are flat thin magnets；
Above-mentioned seal band is made up of magnetic material.
9. the direct acting device as any one of claim 1~6, it is characterised in that
Above-mentioned attachment members are silicon rubber, polyurethane or the polyurethane for being coated with bonding agent.
10. the direct acting device as any one of claim 1~6, it is characterised in that
Above-mentioned pressing portion is formed by the way that the contact surface contacted with above-mentioned slide of above-mentioned bottom surface is made into concaveconvex shape.
11. a kind of direct acting devices, it is characterised in that possess：
Housing, is formed with opening portion in the longitudinal direction；
Side cover, the both sides of the length direction of above-mentioned opening portion are located at along above-mentioned opening portion；
Attachment members, the respective above-mentioned opening portion side of above-mentioned side cover is located at along above-mentioned opening portion；
Sliding block, is equipped with workbench, above-mentioned workbench is protruded than above-mentioned opening portion, and reciprocal along the length direction of above-mentioned housing
Motion is received freely；
Seal band, in the way of the length direction for covering above-mentioned opening portion across the upper surface of above-mentioned workbench, by two ends
Portion is fixed on above-mentioned housing, and both sides are fixed by above-mentioned attachment members；And
Sealing band guide, in above-mentioned movable workbench, makes above-mentioned seal band on the length direction of above-mentioned workbench
Formed and the bending section that above-mentioned workbench is not contact condition；
Above-mentioned seal band has block above-mentioned opening portion across the upper surface of above-mentioned workbench under not contact condition
Length；
When upper surface of the above-mentioned seal band across above-mentioned workbench, above-mentioned sealing band guide connects with above-mentioned seal band
Touch and bend above-mentioned seal band, as with the discontiguous state of above-mentioned workbench, and act power, the active force makes not have
There is the above-mentioned seal band across the region of the upper surface of above-mentioned workbench under not contact condition to be fixed to above-mentioned attachment members；
Above-mentioned sealing band guide is located at the front and rear part of the above-mentioned length direction of workbench lid, and the workbench lid is installed on above-mentioned
On workbench；
Above-mentioned workbench lid possesses：
Maintaining part, is located on the complete cycle of above-mentioned workbench lid, inserts and keep slide；And
Pressing portion, is located on the contact surface contacted with above-mentioned slide on the bottom surface of above-mentioned maintaining part, by above-mentioned slide to
Above-mentioned housing direction is pushed.
12. direct acting devices as claimed in claim 11, it is characterised in that
Above-mentioned sealing band guide hangs down from the upper surface of above-mentioned workbench lid towards the upper surface of above-mentioned side cover, and relatively
Separate gap configuration in the upper surface of above-mentioned side cover.
13. direct acting device as described in claim 11 or 12, it is characterised in that
Above-mentioned pressing portion is formed by the way that the contact surface contacted with above-mentioned slide of above-mentioned bottom surface is made into concaveconvex shape.
14. direct acting device as any one of claim 1~6,11,12, it is characterised in that
Above-mentioned sliding block includes two parts, and the arranged in series on the length direction of above-mentioned housing.
15. direct acting devices as claimed in claim 14, it is characterised in that
Above-mentioned sealing band guide is located on the front and rear part of the above-mentioned length direction of workbench lid and pars intermedia, the workbench lid
It is installed on above-mentioned workbench.
16. direct acting device as any one of claim 1~6,11,12, it is characterised in that
The width of above-mentioned sealing band guide is 50~80% relative to the width of above-mentioned seal band.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-146043 | 2009-06-19 | ||
| JP2009146043 | 2009-06-19 | ||
| JP2010-005086 | 2010-01-13 | ||
| JP2010005086A JP5417190B2 (en) | 2009-06-19 | 2010-01-13 | Linear motion device |
| CN201010206003.2A CN101931285B (en) | 2009-06-19 | 2010-06-17 | Direct acting device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010206003.2A Division CN101931285B (en) | 2009-06-19 | 2010-06-17 | Direct acting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904819A CN103904819A (en) | 2014-07-02 |
| CN103904819B true CN103904819B (en) | 2017-07-04 |
Family
ID=43631992
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385601.9A Active CN104265851B (en) | 2009-06-19 | 2010-06-17 | Linear Moving Device |
| CN201410091571.0A Active CN103904819B (en) | 2009-06-19 | 2010-06-17 | Direct acting device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385601.9A Active CN104265851B (en) | 2009-06-19 | 2010-06-17 | Linear Moving Device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5417190B2 (en) |
| CN (2) | CN104265851B (en) |
| TW (3) | TWI516692B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI458902B (en) * | 2012-05-02 | 2014-11-01 | Academia Sinica | Linear actuating module |
| CN104750106A (en) * | 2013-12-30 | 2015-07-01 | 鸿富锦精密工业（深圳）有限公司 | Single axis robot |
| CN104842340B (en) * | 2015-03-17 | 2019-08-27 | 上海云永自动化科技有限公司 | A kind of dust-proof straight line slide unit |
| CN106981944B (en) * | 2017-05-11 | 2019-08-06 | 中国美术学院 | linear drive |
| CN110878796B (en) * | 2018-09-05 | 2021-09-03 | 上银科技股份有限公司 | Low-dust-emission linear module |
| US10935075B2 (en) | 2018-10-22 | 2021-03-02 | Hiwin Technologies Corp. | Low dust linear module |
| KR102127198B1 (en) * | 2018-11-01 | 2020-06-29 | 하이윈 테크놀로지스 코포레이션 | Low dust linear module |
| KR200492867Y1 (en) * | 2019-04-09 | 2020-12-24 | 하이윈 테크놀로지스 코포레이션 | Low dust linear module |
| KR200492107Y1 (en) * | 2019-05-17 | 2020-08-10 | 하이윈 테크놀로지스 코포레이션 | Dustproof assembly for linear actuator |
| CN112475940A (en) * | 2020-10-30 | 2021-03-12 | 苏州舍勒智能科技有限公司 | Embedded sliding module with adjustable horizontal angle |
| CN114310461A (en) * | 2021-12-30 | 2022-04-12 | 广东普拉迪科技股份有限公司 | Lead screw protective structure |
| TWI841434B (en) * | 2023-06-29 | 2024-05-01 | 東佑達自動化科技股份有限公司 | Actuator device |
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| CN101712152A (en) * | 2008-10-06 | 2010-05-26 | 株式会社阿尔法机器人技术 | Hermetic band combination structure of linear robot |
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| JPH0727072Y2 (en) * | 1989-08-11 | 1995-06-21 | トヨタ自動車株式会社 | Automatic feeder |
| JP4005248B2 (en) * | 1998-12-28 | 2007-11-07 | 株式会社アイエイアイ | Actuator |
| JP4697368B2 (en) * | 2001-05-17 | 2011-06-08 | 豊和工業株式会社 | Reciprocating actuator |
| US6588289B2 (en) * | 2001-07-06 | 2003-07-08 | Danaher Motion Technology, Llc | Linear actuator with protective guide chassis enclosing the lead screw |
| JP4515801B2 (en) * | 2004-03-31 | 2010-08-04 | ケーエスエス株式会社 | Electric linear actuator |
| JP4452551B2 (en) * | 2004-05-11 | 2010-04-21 | 日本トムソン株式会社 | Low dust generation slide device |
| JP4871542B2 (en) * | 2005-07-28 | 2012-02-08 | アスモ株式会社 | Linear actuator |
| WO2008056380A1 (en) * | 2006-11-06 | 2008-05-15 | El.More S.R.L. | Linear actuator |
| CN201090699Y (en) * | 2007-07-27 | 2008-07-23 | 北京石油化工学院 | Lead screw anti-dust device |
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2010
- 2010-01-13 JP JP2010005086A patent/JP5417190B2/en active Active
- 2010-06-17 TW TW099119698A patent/TWI516692B/en active
- 2010-06-17 CN CN201410385601.9A patent/CN104265851B/en active Active
- 2010-06-17 TW TW104110045A patent/TWI564493B/en active
- 2010-06-17 TW TW104110044A patent/TWI568954B/en active
- 2010-06-17 CN CN201410091571.0A patent/CN103904819B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101712152A (en) * | 2008-10-06 | 2010-05-26 | 株式会社阿尔法机器人技术 | Hermetic band combination structure of linear robot |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI516692B (en) | 2016-01-11 |
| CN103904819A (en) | 2014-07-02 |
| TW201527666A (en) | 2015-07-16 |
| TWI564493B (en) | 2017-01-01 |
| JP2011021744A (en) | 2011-02-03 |
| TW201527665A (en) | 2015-07-16 |
| CN104265851A (en) | 2015-01-07 |
| TW201100671A (en) | 2011-01-01 |
| JP5417190B2 (en) | 2014-02-12 |
| CN104265851B (en) | 2017-04-12 |
| TWI568954B (en) | 2017-02-01 |
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