CN108422357A - A kind of fixture of the adjustable protection workpiece machined surface of clamping force - Google Patents
A kind of fixture of the adjustable protection workpiece machined surface of clamping force Download PDFInfo
- Publication number
- CN108422357A CN108422357A CN201810542862.5A CN201810542862A CN108422357A CN 108422357 A CN108422357 A CN 108422357A CN 201810542862 A CN201810542862 A CN 201810542862A CN 108422357 A CN108422357 A CN 108422357A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- ring
- face
- connecting rod
- annulus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 210000002445 nipple Anatomy 0.000 claims description 15
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000008450 motivation Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 49
- 238000009434 installation Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention belongs to clamp arts; more particularly to a kind of fixture of the adjustable protection workpiece machined surface of clamping force; it includes the first screw rod, hold-down mechanism, mobile mechanism, the first nut head, wherein first screw rod one end end face is fixedly mounted on the first nut end surface；Liang Ge mobile mechanisms are installed on the first screw rod, and Liang Ge mobile mechanisms are distributed along the axis of the first screw rod；Liang Ge mobile mechanisms are symmetrically distributed on the first screw rod；The circumferentially uniform outside for being distributed in the first screw rod of 3 hold-down mechanisms, and 3 hold-down mechanisms are connect with Liang Ge mobile mechanisms；Fixture in the present invention, which has, increases the area that fixture pressure workpiece is pressed; so that in the case where clamp pressing power is constant; achieve the purpose that increase clamp workpieces processing surface area, so that the pressure that fixture is contacted with workpieces processing reduces, reaches the purpose on protection workpieces processing surface.
Description
Technical field
The invention belongs to a kind of folders of the adjustable protection workpiece machined surface of clamp art more particularly to clamping force
Tool.
Background technology
Current existing clamp structure is simple, fixture with it is simple in structure at workpieces processing contact position, in order to add in workpiece
The movement that workpiece is prevented during work, often by screw tightening, so that at fixture and the contact position of workpieces processing
Active force is larger, this active force will be tightly pressed on workpiece, to leave impression to the surface of workpiece, if workpiece is hard
When degree is not high, fixture is smaller to the compression area of workpiece, and the pressure being subject on the unit area of workpieces processing at this time is big, to right
The injury of workpiece surface is also larger, so the fixture for designing a kind of adjustable protection workpiece machined surface of clamping force is that have very much must
It wants.
The present invention design a kind of adjustable protection workpiece machined surface of clamping force fixture solve the problems, such as it is as above.
Invention content
(1) the technical problem to be solved in the present invention
The problem to be solved in the present invention is to provide a kind of fixture of the adjustable protection workpiece machined surface of clamping force, to overcome
Clamp structure is simple in the prior art, has a single function, the problem of often being damaged to the surface of workpiece.
(2) technical scheme of the present invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of adjustable protection workpiece machined surface of clamping force
Fixture, it is realized using following technical scheme.
A kind of fixture of the adjustable protection workpiece machined surface of clamping force, it is characterised in that：It includes the first screw rod, compresses
Mechanism, mobile mechanism, the first nut head, wherein first screw rod one end end face is fixedly mounted on the first nut end surface；Two
Mobile mechanism is installed on the first screw rod, and Liang Ge mobile mechanisms are distributed along the axis of the first screw rod；Liang Ge mobile mechanisms pair
Title is distributed on the first screw rod；The circumferentially uniform outside for being distributed in the first screw rod of 3 hold-down mechanisms, and 3 hold-down mechanisms are equal
It is connect with Liang Ge mobile mechanisms.
The mobile mechanism include fixed ring, C-shaped ring, mounting ring, the second nut head, the first spacing ring, the second spacing ring,
Cating nipple, the first T shapes annular groove, the 2nd T shape annular grooves, wherein cating nipple are mounted on the first screw rod；Second nut head
On be provided with the 2nd T shape annular grooves；The circular hole of perforation is provided on second nut end surface；Second nut head passes through the circular hole opened thereon
It is fitted on the first screw rod with cating nipple；C-shaped ring inner headed face upper and lower ends are separately installed with the first spacing ring and
Two spacing rings；C-shaped ring is rotatably assorted by the second spacing ring and the 2nd T shape annular grooves in the second nut head；Fixed ring
The first T shape annular grooves are provided on periphery；Fixed ring is rotatably assorted by the first spacing ring and the first T shape annular grooves mounted on C-shaped
On ring, and fixed ring is nested on the outside of the first screw rod；Mounting ring inner headed face is fixedly mounted on fixed ring inner headed face.
The hold-down mechanism includes third nut head, the 4th journal stirrup, the 5th journal stirrup, the 6th journal stirrup, third connecting rod, first
Connection ring, the 7th journal stirrup, the 8th journal stirrup, the second connection ring, the 6th connecting rod, inclined-plane, mounting cylinder, resets bullet at the 4th connecting rod
Spring, movable plate, accommodating chamber, the 5th connecting rod, the first journal stirrup, head rod, the second screw rod, the second journal stirrup, movable block, second
Connecting rod, third journal stirrup, the 4th nut head, threaded hole, the first journal stirrup of two of which upper surface are fixedly mounted in first
On fixed ring end face on the upside of screw axis direction in mobile mechanism；There are two symmetrically being opened in the upper and lower ends face of movable block side
Inclined-plane；The threaded hole of perforation is provided on movable block end face；Two second journal stirrup one end are fixedly mounted on movable block side；The
By straight pin between two the first journal stirrups, the other end is mounted on two second by straight pin for one connecting rod one end
Between ear；Two third journal stirrup lower faces are fixedly mounted on the fixation in mobile mechanism on the downside of the first screw axis direction
On ring end face；Two the 5th journal stirrup one end are fixedly mounted on movable block side, and two the 5th journal stirrups are located at two second
On the downside of journal stirrup；Two the 5th journal stirrups coordinate with corresponding second journal stirrup；Second connecting rod one end is mounted on two by straight pin
Between third journal stirrup, the other end is mounted on by straight pin between two the 5th journal stirrups；Peace is fixed in two the 6th journal stirrup upper surfaces
On the mounting ring lower face in mobile mechanism on the upside of the first screw axis direction；Two the 7th journal stirrup one end are fixed
On movable block on the inclined-plane in upside；Third connecting rod one end by straight pin be mounted on two the 6th journal stirrups it
Between；4th connecting rod one end is mounted on by straight pin between two the 7th journal stirrups；Between third connecting rod and the 4th connecting rod
It is connected by the first connection ring, and the line of third connecting rod, the first connection ring and the 4th connecting rod is parallel with head rod；
First connection ring coordinates with threaded hole；Two the 4th journal stirrup upper surfaces are fixedly mounted on the sidesway under the first screw axis direction
On mounting ring upper surface on motivation structure；Two the 8th journal stirrup one end are fixedly mounted on the inclined-plane that downside is on movable block
On；6th connecting rod one end is mounted on by straight pin between two the 4th journal stirrups；Pacified by straight pin 5th connecting rod one end
Between two the 8th journal stirrups；It is connected by the second connection ring between 6th connecting rod and the 5th connecting rod, and the 5th connection
The line of bar, the second connection ring and the 6th connecting rod is parallel with the second connecting rod；Second connection ring coordinates with threaded hole；Second spiral shell
Bar is fitted to by external screw thread thereon and threaded hole on movable block；Is equipped on the end face of the upper end of second screw rod
Three nut heads；Movable plate one end end face is fixedly mounted on the second screw rod end face；There is accommodating chamber on mounting cylinder；Mounting cylinder passes through
Cavity wall is accommodated thereon to be slidably installed on the second screw rod with movable plate periphery；Resetting spring is nested in outside the second screw rod
Side；Resetting spring one end, which is fixedly mounted on, to be accommodated on resonator end surface, and the other end is fixedly mounted in mobile plate end face；Mounting cylinder lower end
4th nut head is installed on face.
The cating nipple includes the first annulus, the second annulus, first rotating shaft, third annulus, the second shaft, wherein the
It is provided with internal thread on three annulus inner headed faces；Third annulus passes through the external screw thread opened on the internal thread and the first screw rod opened thereon
It is mounted on the first screw rod by screw-thread fit；Second annulus is mounted on the by two first rotating shafts on the same straight line
On three annulus, and the second annulus is nested on the outside of third annulus；First annulus passes through two second turns be on same straight line
Axis is mounted on the second annulus, and the first annulus is nested on the outside of the second annulus；The line of two the second shafts and two first
The line of shaft is orthogonal.
The perforation circular hole inner headed face opened on the periphery of first annulus and the second nut head is coordinated by key to be installed.
It is advanced optimized as this technology, the 4th nut head is equipped with multiple convex on the end face far from the second screw rod
Block.
It is advanced optimized as this technology, the 4th nut head is equipped with multiple convex blocks on the end face far from the second screw rod
Material be rubber.
It is advanced optimized as this technology, lubricating oil, the second limit is coated between first spacing ring and the first T shape annular grooves
It is coated with lubricating oil between position ring and the 2nd T shape annular grooves.
It is advanced optimized as this technology, first screw rod one end end face is mounted on the first nut end surface by welding
On.
Advanced optimized as this technology, first annulus, the second annulus, third annulus thickness all same.
The effect that first screw rod one end end face in the present invention is fixedly mounted on the first nut end surface is easy for installing
Liang Ge mobile mechanisms；Liang Ge mobile mechanisms are installed on the first screw rod, and Liang Ge mobile mechanisms are along the axis point of the first screw rod
The effect of cloth is easy for 3 hold-down mechanisms of installation；The effect that Liang Ge mobile mechanisms are symmetrically distributed on the first screw rod is easy for adjusting
Fixture in abridged edition invention, so that the fixture in the present invention can smooth clamping machining workpiece；3 hold-down mechanisms are circumferentially equal
The even outside for being distributed in the first screw rod, and the effect that 3 hold-down mechanisms are connect with Liang Ge mobile mechanisms is easy for increasing this
The purpose of clamp workpieces processing surface area in invention, to achieve the purpose that protect workpieces processing surface.
The effect of mobile mechanism in the present invention is easy for 3 hold-down mechanisms of installation；Cating nipple is mounted on the first spiral shell
Effect on bar, which is easy for the second nut head, to be moved on the first screw rod, while fixture being allow to use the table of workpiece
Face, when in the case of the folded workpiece surface of workpieces processing tilting or has uneven, the fixture in the present invention still may be used
To clamp workpiece；The effect that the 2nd T shape annular grooves are provided in second nut head is easy for the second spacing ring of installation；Second nut head end
The effect that the circular hole of perforation is provided on face is easy for the first nut head being nested on the outside of the first screw rod；Second nut head passes through it
On the fixture that is easy in the present invention of the effect that is fitted to cating nipple on the first screw rod of the circular hole opened can press from both sides
The workpiece tightly processed；The effect that C-shaped ring inner headed face upper and lower ends are separately installed with the first spacing ring and the second spacing ring is easy for
The purpose of guiding and limitation movement is played to fixed ring；The peace that is rotatably assorted that C-shaped ring passes through the second spacing ring and the 2nd T shape annular grooves
Effect in the second nut head is easy for installation C-shaped ring；The effect that the first T shape annular grooves are provided on fixed ring periphery is just
It is rotatably assorted in the formation of the first spacing ring；Fixed ring is rotatably assorted by the first spacing ring and the first T shape annular grooves mounted on C
On shape ring, and fixed ring is nested in the effect on the outside of the first screw rod and is easy for installation hold-down mechanism；Mounting ring inner headed face fixes peace
Effect on fixed ring inner headed face is easy for 3 hold-down mechanisms of installation.
The effect of hold-down mechanism in the present invention is easy for increasing the clamp workpieces processing surface area in the present invention
Purpose, to achieve the purpose that protect workpieces processing surface；There are two symmetrically being opened in the upper and lower ends face of movable block side tiltedly
The effect in face is easy for the 7th journal stirrup of installation and the 8th journal stirrup；Two the first journal stirrup upper surfaces are fixedly mounted in the first spiral shell
The effect on fixed ring end face on the upside of rod axis direction in mobile mechanism is easy for installation head rod；On movable block end face
The effect for being provided with the threaded hole of perforation is easy for the second screw rod of installation；Two second journal stirrup one end are fixedly mounted on movable block side
Effect on face is easy for cylinder pin connection head rod and movable block；Head rod one end is mounted on two by straight pin
Effect between a first journal stirrup is to be connected and fixed ring and movable block；Two third journal stirrup lower faces are fixedly mounted in
The effect on fixed ring end face on the downside of one screw axis direction in mobile mechanism is easy for the second connecting rod of installation；Second connection
Bar one end is easy for being connected and fixed ring and movable block by the effect that straight pin is mounted between two third journal stirrups；Second screw rod
It is easy for adjusting the fixture folder in the present invention by the effect of external screw thread and threaded hole thereon being fitted on movable block
The position of clamping of workpieces, so that the fixture in the present invention is adapted to the rough plane of workpiece, so that this hair
Fixture in bright can smooth clamping machining workpiece；The effect that third nut head is equipped on the upper end end face of second screw rod is just
In the dynamics for adjusting the clamp workpiece in the present invention, so that the fixture in the present invention can smoothly clamp workpiece；Two
A 5th journal stirrup one end is fixedly mounted on movable block side, and two the 5th journal stirrups are located at the work on the downside of two the second journal stirrups
Be easy for installation the second connecting rod；Two the 5th journal stirrups are easy for head rod with the effect that corresponding second journal stirrup coordinates
It is in same plane with the second connecting rod；Two the 6th journal stirrup upper surfaces are fixedly mounted on the first screw axis direction
The effect on mounting ring lower face in the mobile mechanism of side is easy for installation third connecting rod；Two the 7th journal stirrup one end are fixed
Effect on movable block on the inclined-plane in upside is easy for the 4th connecting rod of installation；Third connecting rod one end passes through circle
Pin is mounted between two the 6th journal stirrups；4th connecting rod one end is mounted on by straight pin between two the 7th journal stirrups；The
It is connected by the first connection ring between three connecting rods and the 4th connecting rod, and third connecting rod, the first connection ring and the 4th connection
The effect that the line of bar is parallel with head rod is so that movable block can keep stable state during the motion；First connects
Connect the movement that the effect that ring coordinates with threaded hole is easy for the second screw rod；Two the 4th journal stirrup upper surfaces are fixedly mounted in
The effect on mounting ring upper surface on the downside of one screw axis direction in mobile mechanism is easy for the 6th connecting rod of installation；Two
Eight journal stirrup one end are fixedly mounted on the effect on movable block on the inclined-plane in downside and are easy for the 5th connecting rod of installation；6th
Connecting rod one end is mounted on by straight pin between two the 4th journal stirrups；5th connecting rod one end is mounted on two by straight pin
Between 8th journal stirrup；It is connected by the second connection ring between 6th connecting rod and the 5th connecting rod, and the 5th connecting rod, the second company
The line effect parallel with the second connecting rod for connecing ring and the 6th connecting rod is so that third connecting rod, the first connection ring and the 4th
The line of connecting rod and the 5th connecting rod, the second connection ring and the 6th connecting rod line may be in same plane；Second
The effect of connection ring and threaded hole cooperation is easy for the movement of the second screw rod；Movable plate one end end face is fixedly mounted on the second screw rod
Effect on end face is easy for guiding and limiting the movement of the second screw rod, so that the fixture in the present invention can adjust pressure work
The pressure of part, to achieve the purpose that preferably to protect workpiece；Have the function of that accommodating chamber is easy for accommodating on mounting cylinder to reset
Spring；Mounting cylinder is just by accommodating the effect that cavity wall and movable plate periphery are slidably installed on the second screw rod thereon
In installation resetting spring；Resetting spring is nested on the outside of the second screw rod；Resetting spring one end, which is fixedly mounted on, to be accommodated on resonator end surface,
The effect that the other end is fixedly mounted in mobile plate end face is easy for giving movable plate one recovery force effect；On mounting cylinder lower face
The effect for being equipped with the 4th nut head is easy for compressing the workpiece of processing.
The effect of cating nipple in the present invention, which is easy for the second nut head, to be moved on the first screw rod, make simultaneously
The surface of workpiece can be used by obtaining fixture, in the case of the folded workpiece surface of workpieces processing tilts or has uneven
When, the present invention in fixture can still clamp workpiece；Female effect is opened on third annulus inner headed face is easy for third
Annulus can form screw-thread fit with the first screw rod；Third annulus is by being opened on the internal thread and the first screw rod opened thereon
External screw thread is easy for the second annulus of installation by the effect that screw-thread fit is mounted on the first screw rod；Second annulus passes through at two
It is mounted on third annulus in the first rotating shaft on same straight line, and it is just that the second annulus, which is nested in the effect on the outside of third annulus,
In installing the first annulus；First annulus is mounted on by two the second shafts on same straight line on the second annulus, and the
One annulus is nested in the effect on the outside of the second annulus and is easy for the second nut head of installation；The line of two the second shafts and two
The mutually perpendicular effect of line of one shaft is that the first annulus, the second annulus and third annulus is allow to form universal rotational；
The periphery of first annulus is easy for the perforation circular hole inner headed face opened in the second nut head by the effect of key cooperation installation
Second nut head can drive the first circular motion；Multiple convex blocks are installed on 4th end face of the nut head far from the second screw rod
Effect is easy for the 4th nut head and is contacted more preferably with the surface of workpieces processing；Pacify on 4th end face of the nut head far from the second screw rod
Material equipped with multiple convex blocks is the fixture that the effect of rubber is easy in the present invention can reach guarantor when clamping softer workpiece
The purpose on retaining clip clamping of workpieces surface；Lubricating oil, the second spacing ring and the 2nd T are coated between first spacing ring and the first T shape annular grooves
The effect that lubricating oil is coated between shape annular groove is easy for reducing the frictional force between the first spacing ring and the first T shape annular grooves, and second
Frictional force between spacing ring and the 2nd T shape annular grooves；The effect of the thickness all same of first annulus, the second annulus, third annulus
It is easy for reducing the processing and manufacturing cost of the first annulus, the second annulus and third annulus.
(3) the advantages of the present invention
Relative to traditional clamp technology, the fixture in the present invention, which has, increases the area that fixture pressure workpiece is pressed, to
So that in the case where clamp pressing power is constant, achieve the purpose that increase clamp workpieces processing surface area, so that
The pressure that fixture is contacted with workpieces processing reduces, and reaches the purpose on protection workpieces processing surface.
Description of the drawings
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is mobile mechanism's mounting structure schematic diagram.
Fig. 3 is hold-down mechanism mounting structure schematic diagram.
Fig. 4 is the second screw rod mounting structure schematic diagram.
Fig. 5 is head rod mounting structure schematic diagram.
Fig. 6 is the second connecting rod mounting structure schematic diagram.
Fig. 7 is movable block mounting structure schematic diagram.
Fig. 8 is the first spacing ring mounting structure schematic diagram.
Fig. 9 is cating nipple mounting structure schematic diagram.
Figure 10 is the second spacing ring mounting structure schematic diagram.
Figure 11 is fixed ring structural schematic diagram.
Figure 12 is the second nut head structural schematic diagram.
Figure 13 is first rotating shaft mounting structure schematic diagram.
Figure 14 is the second mounting structure for rotating shaft schematic diagram.
Figure 15 is movable block structural schematic diagram.
Figure 16 is resetting spring mounting structure schematic diagram.
Figure label title：1, the first screw rod；2, hold-down mechanism；3, mobile mechanism；4, the first nut head；5, third nut
Head；9, the first journal stirrup；10, head rod；11, the second screw rod；12, the second journal stirrup；13, movable block；14, the second connecting rod；
15, third journal stirrup；16, the 4th nut head；17, threaded hole；18, fixed ring；19, C-shaped ring；20, the second nut head；21, first
Spacing ring；22, the second spacing ring；23, the first annulus；24, the second annulus；25, first rotating shaft；26, third annulus；27, second
Shaft；28, the first T shape annular grooves；29, the 2nd T shape annular grooves；30, cating nipple；31, the 4th journal stirrup；32, the 5th journal stirrup；33、
6th journal stirrup；34, third connecting rod；35, the first connection ring；36, the 4th connecting rod；37, the 7th journal stirrup；38, the 8th journal stirrup；
39, the second connection ring；40, the 6th connecting rod；41, inclined-plane；42, mounting cylinder；43, resetting spring；44, movable plate；45, it accommodates
Chamber；46, mounting ring；47, the 5th connecting rod.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1, 2, 3, it include the first screw rod 1, hold-down mechanism 2, mobile mechanism 3, the first nut head 4, as Fig. 1,
2, shown in 3, wherein 1 one end end face of the first screw rod is fixedly mounted on 4 end face of the first nut head；As shown in Figure 1, 2, 3, two shiftings
Motivation structure 3 is installed on the first screw rod 1, and Liang Ge mobile mechanisms 3 are distributed along the axis of the first screw rod 1；Such as the institute of Fig. 1,2,3
Show, Liang Ge mobile mechanisms 3 are symmetrically distributed on the first screw rod 1；As shown in Figure 1, 2, 3,32 circumferentially uniform points of hold-down mechanisms
Cloth is in the outside of the first screw rod 1, and 3 hold-down mechanisms 2 are connect with Liang Ge mobile mechanisms 3.
As shown in Figure 4,5, the mobile mechanism 3 include fixed ring 18, C-shaped ring 19, mounting ring 46, the second nut head 20,
First spacing ring 21, the second spacing ring 22, cating nipple 30, the first T shapes annular groove 28, the 2nd T shapes annular groove 29, such as Fig. 4,5 institutes
Show, wherein cating nipple 30 is mounted on the first screw rod 1；As shown in figure 12, the 2nd T shape annular grooves are provided in the second nut head 20
29；As shown in figure 12, the circular hole of perforation is provided on 20 end face of the second nut head；As shown in figure 13, the second nut head 20 passes through it
On the circular hole opened be fitted on the first screw rod 1 with cating nipple 30；As shown in Figure 10, above and below 19 inner headed face of C-shaped ring
Both ends are separately installed with the first spacing ring 21 and the second spacing ring 22；As shown in figure 8, C-shaped ring 19 by the second spacing ring 22 with
2nd T shapes annular groove 29 is rotatably assorted in the second nut head 20；As shown in figure 11, is provided on 18 periphery of fixed ring
One T shapes annular groove 28；As shown in figure 9, fixed ring 18 is mounted on by the first spacing ring 21 and the first being rotatably assorted for T shapes annular groove 28
In C-shaped ring 19, and fixed ring 18 is nested in 1 outside of the first screw rod；As shown in Figure 6,7,46 inner headed face of mounting ring is fixedly mounted on
On 18 inner headed face of fixed ring.
As shown in Figure 4,5, the hold-down mechanism 2 include third nut head 5, the 4th journal stirrup 31, the 5th journal stirrup 32, the 6th
Ear 33, third connecting rod 34, the first connection ring 35, the 4th connecting rod 36, the 7th journal stirrup 37, the 8th journal stirrup 38, the second connection ring
39, the 6th connecting rod 40, inclined-plane 41, mounting cylinder 42, resetting spring 43, movable plate 44, accommodating chamber 45, the 5th connecting rod 47,
One journal stirrup 9, head rod 10, the second screw rod 11, the second journal stirrup 12, movable block 13, the second connecting rod 14, third journal stirrup 15,
4th nut head 16, threaded hole 17, as shown in Figure 4,5,9 upper surface of the first journal stirrup of two of which are fixedly mounted in first
On 18 end face of fixed ring on the upside of 1 axis direction of screw rod in mobile mechanism 3；As shown in figure 15, up and down the two of 13 side of movable block
Inclined-plane 41 there are two symmetrically being driveed on end face；As shown in figure 15, the threaded hole 17 of perforation is provided on 13 end face of movable block；Such as Fig. 4,5
Shown, two 12 one end of the second journal stirrup are fixedly mounted on 13 side of movable block；10 one end of head rod passes through straight pin
Between two the first journal stirrups 9, the other end is mounted on by straight pin between two the second journal stirrups 12；As shown in Figure 4,5,
Two 15 lower faces of third journal stirrup are fixedly mounted on the fixed ring in mobile mechanism 3 on the downside of 1 axis direction of the first screw rod
On 18 end faces；As shown in figure 5, two 32 one end of the 5th journal stirrup are fixedly mounted on 13 side of movable block, and two the 5th
Ear 32 is located at two 12 downsides of the second journal stirrup；Two the 5th journal stirrups 32 coordinate with corresponding second journal stirrup 12；As shown in Figure 4,5,
By straight pin between two third journal stirrups 15, the other end is mounted on two by straight pin for second connecting rod, 14 one end
Between 5th journal stirrup 32；As shown in Figure 4,5, two 33 upper surfaces of the 6th journal stirrup are fixedly mounted in 1 axis side of the first screw rod
On 46 lower face of mounting ring in upward side mobile mechanism 3；As shown in Figure 4,5, two 37 one end of the 7th journal stirrup are fixedly mounted
On movable block 13 on the inclined-plane 41 in upside；34 one end of third connecting rod is mounted on two the 6th journal stirrups 33 by straight pin
Between；4th connecting rod, 36 one end is mounted on by straight pin between two the 7th journal stirrups 37；As shown in Figure 4,5, third connects
It is connected by the first connection ring 35 between bar 34 and the 4th connecting rod 36, and third connecting rod 34, the first connection ring 35 and the 4th
The line of connecting rod 36 is parallel with head rod 10；First connection ring 35 coordinates with threaded hole 17；As shown in Figure 4,5, two
4th journal stirrup, 31 upper surface is fixedly mounted on 46 upper end of mounting ring in mobile mechanism 3 on the downside of 1 axis direction of the first screw rod
On face；Two 38 one end of the 8th journal stirrup are fixedly mounted on movable block 13 on the inclined-plane 41 in downside；6th connecting rod 40
One end is mounted on by straight pin between two the 4th journal stirrups 31；As shown in Figure 4,5,47 one end of the 5th connecting rod passes through straight pin
Between two the 8th journal stirrups 38；As shown in Figure 4,5, connect by second between the 6th connecting rod 40 and the 5th connecting rod 47
The connection of ring 39 is connect, and the line of the 5th connecting rod 47, the second connection ring 39 and the 6th connecting rod 40 is parallel with the second connecting rod 14；
Second connection ring 39 coordinates with threaded hole 17；As shown in Figure 4,5, the second screw rod 11 passes through external screw thread thereon and threaded hole 17
It is fitted on movable block 13；As shown in Figure 4,5, third nut head 5 is installed on the end face of the upper end of the second screw rod 11；Such as
Shown in Figure 16,44 one end end face of movable plate is fixedly mounted on 11 end face of the second screw rod；As shown in figure 16, have on mounting cylinder 42
Accommodating chamber 45；As shown in figure 16, mounting cylinder 42 is slidably installed by 45 inner wall of accommodating chamber thereon with 44 periphery of movable plate
On the second screw rod 11；Resetting spring 43 is nested in 11 outside of the second screw rod；As shown in figure 16, peace is fixed in 43 one end of resetting spring
On 45 end face of accommodating chamber, the other end is fixedly mounted on 44 end face of movable plate；As shown in figure 16, on 42 lower face of mounting cylinder
4th nut head 16 is installed.
As shown in figure 14, the cating nipple 30 includes the first annulus 23, the second annulus 24, first rotating shaft 25, third
Annulus 26, the second shaft 27 are wherein provided with internal thread on 26 inner headed face of third annulus；Third annulus 26 by being opened thereon in
The external screw thread opened on screw thread and the first screw rod 1 is mounted on by screw-thread fit on the first screw rod 1；Second annulus 24 passes through two
First rotating shaft 25 on same straight line is mounted on third annulus 26, and the second annulus 24 is nested in outside third annulus 26
Side；First annulus 23 is mounted on by two the second shafts 27 on same straight line on the second annulus 24, and the first annulus
23 are nested in 24 outside of the second annulus；The line and the line of two first rotating shafts 25 of two the second shafts 27 are orthogonal.
The periphery of first annulus 23 is coordinated with the perforation circular hole inner headed face opened in the second nut head 20 by key
Installation.
Multiple convex blocks are installed on the end face of 4th nut head 16 far from the second screw rod 11.
The material that multiple convex blocks are equipped on the end face of 4th nut head 16 far from the second screw rod 11 is rubber.
Lubricating oil, the second spacing ring 22 and the 2nd T shape rings are coated between first spacing ring, 21 and the first T shapes annular groove 28
It is coated with lubricating oil between slot 29.
First screw rod, 1 one end end face is mounted on by welding on 4 end face of the first nut head.
The thickness all same of first annulus 23, the second annulus 24, third annulus 26.
Specific implementation mode is：When the fixture in the present invention will clamping machining workpiece when, it would be desirable to the workpiece of processing is worn
Enter in the hole on workpiece；Operator carries out that the second nut head 20 is driven to move using tool at this time, the second nut head 20 of movement
The first annulus 23 will be driven to move, the first annulus 23 will drive the second shaft 27 to move, and the second shaft 27 will drive the
Two annulus 24 move, and the second annulus 24 will drive first rotating shaft 25 to move, and first rotating shaft 25 will drive the first annulus 23 to transport
Dynamic, the first annulus 23 will be moved along the first screw rod 1, and the second nut head 20 of movement will be along the axis direction of the first screw rod 1
Movement；Second nut head 20 of movement will drive the second spacing ring 22 to move；Second spacing ring 22 of movement will drive C-shaped
Ring 19 moves, and the C-shaped ring 19 of movement will drive the first spacing ring 21 to move, and the first spacing ring 21 will drive fixed ring 18 to transport
Dynamic, fixed ring 18 will drive 3 hold-down mechanisms 2 to move, and hold-down mechanism 2 at this time will workpiece pressing；Reset bullet at this time
Compression in spring 43；Operator carries out the second nut head 20 of 1 upside of the first screw rod of rotation, the shifting of 1 upside of the first screw rod at this time
Motivation structure 3, mobile mechanism 3 at this time will drive the first journal stirrup 9 to move, and the first journal stirrup 9 will drive head rod 10 to transport
Dynamic, head rod 10 will drive the second journal stirrup 12 to move, and the second journal stirrup 12 of movement will drive movable block 13 to move, and move
Motion block 13 will drive the second screw rod 11 to move, and the second screw rod 11 will drive third nut head 5 and the 4th nut head 16 to move；
Resetting spring 43 at this time will be compressed；Operator at this time will see the fixture situation in the present invention, and 3 pressures are adjusted
The second screw rod 11 in tight mechanism 2, when the plane of workpieces processing is uneven, operator at this time carries out driving third nut
First 5 rotation, the third nut head 5 of rotation will drive the second screw rod 11 to move, and the second screw rod 11 will drive resetting spring 43
Movement, resetting spring 43 will drive mounting cylinder 42 to move；Mounting cylinder 42 will drive the 4th nut head 16 to move, and at this time the
Four nut heads 16 will compacting processing workpiece so that the fixture in the present invention can reach while can clamping workpiece again
Protect the purpose of workpiece institute clamp surface；When operator has found that the dynamics of the fixture die casting/processing part in the present invention is larger, at this time
Operator can drive third nut head 5 to move, and third nut head 5 will drive the second screw rod 11 to move, and the second screw rod 11 will
Movable plate 44 can be driven to move；So that the decrement variation of resetting spring 43；The movable plate 44 of movement will adjust reset
Spring 43 is transmitted to the active force of mounting cylinder 42, to reach the active force for adjusting mounting cylinder 42 to workpieces processing, to reach more
The purpose of good protection workpiece compression plane.
In conclusion the above embodiment is not the restricted embodiment for being the present invention, all those skilled in the art
On the basis of the substantive content of the present invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection domain of invention.
Claims (6)
1. a kind of fixture of the adjustable protection workpiece machined surface of clamping force, it is characterised in that：It includes the first screw rod, compacting machine
Structure, mobile mechanism, the first nut head, wherein first screw rod one end end face is fixedly mounted on the first nut end surface；Two shiftings
Motivation structure is installed on the first screw rod, and Liang Ge mobile mechanisms are distributed along the axis of the first screw rod；Liang Ge mobile mechanisms are symmetrical
It is distributed on the first screw rod；The circumferentially uniform outside for being distributed in the first screw rod of 3 hold-down mechanisms, and 3 hold-down mechanisms with
Liang Ge mobile mechanisms connect；
The mobile mechanism includes fixed ring, C-shaped ring, mounting ring, the second nut head, the first spacing ring, the second spacing ring, universal
Mechanism, the first T shapes annular groove, the 2nd T shape annular grooves are saved, wherein cating nipple is mounted on the first screw rod；It is opened in second nut head
There are the 2nd T shape annular grooves；The circular hole of perforation is provided on second nut end surface；Second nut head passes through the circular hole opened thereon and ten thousand
To section, mechanism is fitted on the first screw rod；C-shaped ring inner headed face upper and lower ends are separately installed with the first spacing ring and the second limit
Position ring；C-shaped ring is rotatably assorted by the second spacing ring and the 2nd T shape annular grooves in the second nut head；Fixed ring outer circle
The first T shape annular grooves are provided on face；Fixed ring is rotatably assorted by the first spacing ring and the first T shape annular grooves in C-shaped ring,
And fixed ring is nested on the outside of the first screw rod；Mounting ring inner headed face is fixedly mounted on fixed ring inner headed face；
The hold-down mechanism includes third nut head, the 4th journal stirrup, the 5th journal stirrup, the 6th journal stirrup, third connecting rod, the first connection
Ring, the 4th connecting rod, the 7th journal stirrup, the 8th journal stirrup, the second connection ring, the 6th connecting rod, inclined-plane, mounting cylinder, resetting spring, shifting
Movable plate, accommodating chamber, the 5th connecting rod, the first journal stirrup, head rod, the second screw rod, the second journal stirrup, movable block, the second connection
Bar, third journal stirrup, the 4th nut head, threaded hole, the first journal stirrup of two of which upper surface are fixedly mounted in the first screw rod
On fixed ring end face on the upside of axis direction in mobile mechanism；There are two symmetrically being opened in the upper and lower ends face of movable block side tiltedly
Face；The threaded hole of perforation is provided on movable block end face；Two second journal stirrup one end are fixedly mounted on movable block side；First
By straight pin between two the first journal stirrups, the other end is mounted on two the second journal stirrups by straight pin for connecting rod one end
Between；Two third journal stirrup lower faces are fixedly mounted on the fixed ring in mobile mechanism on the downside of the first screw axis direction
On end face；Two the 5th journal stirrup one end are fixedly mounted on movable block side, and two the 5th journal stirrups are located at two second
On the downside of ear；Two the 5th journal stirrups coordinate with corresponding second journal stirrup；Second connecting rod one end is mounted on two the by straight pin
Between three journal stirrups, the other end is mounted on by straight pin between two the 5th journal stirrups；Two the 6th journal stirrup upper surfaces are fixedly mounted
On the mounting ring lower face on the upside of the first screw axis direction in mobile mechanism；The fixed peace in two the 7th journal stirrup one end
On movable block on the inclined-plane in upside；Third connecting rod one end is mounted on by straight pin between two the 6th journal stirrups；
4th connecting rod one end is mounted on by straight pin between two the 7th journal stirrups；Pass through between third connecting rod and the 4th connecting rod
First connection ring connects, and the line of third connecting rod, the first connection ring and the 4th connecting rod is parallel with head rod；First
Connection ring coordinates with threaded hole；Two the 4th journal stirrup upper surfaces are fixedly mounted in moving machine on the downside of the first screw axis direction
On mounting ring upper surface on structure；Two the 8th journal stirrup one end are fixedly mounted on movable block on the inclined-plane in downside；The
Six connecting rod one end are mounted on by straight pin between two the 4th journal stirrups；5th connecting rod one end is mounted on two by straight pin
Between a 8th journal stirrup；It is connected by the second connection ring between 6th connecting rod and the 5th connecting rod, and the 5th connecting rod, second
The line of connection ring and the 6th connecting rod is parallel with the second connecting rod；Second connection ring coordinates with threaded hole；Second screw rod passes through
External screw thread thereon and threaded hole are fitted on movable block；Third nut is installed on the end face of the upper end of the second screw rod
Head；Movable plate one end end face is fixedly mounted on the second screw rod end face；There is accommodating chamber on mounting cylinder；Mounting cylinder by holding thereon
Cavity wall of receiving is slidably installed with movable plate periphery on the second screw rod；Resetting spring is nested on the outside of the second screw rod；It is multiple
Position spring one end, which is fixedly mounted on, to be accommodated on resonator end surface, and the other end is fixedly mounted in mobile plate end face；On mounting cylinder lower face
4th nut head is installed；
The cating nipple includes the first annulus, the second annulus, first rotating shaft, third annulus, the second shaft, and wherein third is justified
It is provided with internal thread on ring inner headed face；Third annulus is passed through by the internal thread opened thereon with the external screw thread opened on the first screw rod
Screw-thread fit is mounted on the first screw rod；Second annulus is justified by two first rotating shafts on same straight line mounted on third
On ring, and the second annulus is nested on the outside of third annulus；First annulus is pacified by two the second shafts on same straight line
On the second annulus, and the first annulus is nested on the outside of the second annulus；The line and two first rotating shafts of two the second shafts
Line it is orthogonal；
The perforation circular hole inner headed face opened on the periphery of first annulus and the second nut head is coordinated by key to be installed.
2. a kind of fixture of the adjustable protection workpiece machined surface of clamping force according to claim 1, it is characterised in that：Institute
It states and multiple convex blocks is installed on the 4th end face of the nut head far from the second screw rod.
3. a kind of fixture of the adjustable protection workpiece machined surface of clamping force according to claim 2, it is characterised in that：Institute
It is rubber to state and be equipped with the material of multiple convex blocks on the 4th end face of the nut head far from the second screw rod.
4. a kind of fixture of the adjustable protection workpiece machined surface of clamping force according to claim 1, it is characterised in that：Institute
It states and is coated with lubricating oil between the first spacing ring and the first T shape annular grooves, lubrication is coated between the second spacing ring and the 2nd T shape annular grooves
Oil.
5. a kind of fixture of the adjustable protection workpiece machined surface of clamping force according to claim 1, it is characterised in that：Institute
First screw rod one end end face is stated to be mounted on the first nut end surface by welding.
6. a kind of fixture of the adjustable protection workpiece machined surface of clamping force according to claim 1, it is characterised in that：Institute
State the thickness all same of the first annulus, the second annulus, third annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542862.5A CN108422357A (en) | 2018-05-30 | 2018-05-30 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810542862.5A CN108422357A (en) | 2018-05-30 | 2018-05-30 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108422357A true CN108422357A (en) | 2018-08-21 |
Family
ID=63164042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810542862.5A Pending CN108422357A (en) | 2018-05-30 | 2018-05-30 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108422357A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048719A (en) * | 2018-09-29 | 2018-12-21 | 深圳市心版图科技有限公司 | A kind of fixture |
| CN109129261A (en) * | 2018-11-05 | 2019-01-04 | 深圳市鹏朗贸易有限责任公司 | A kind of clamp for machining |
| CN109333413A (en) * | 2018-12-10 | 2019-02-15 | 福州麦辽自动化设备有限公司 | A kind of fixture |
| CN109470564A (en) * | 2018-11-28 | 2019-03-15 | 南京航空航天大学 | Composite material tension test device for testing clamping force between and test method after gripping section skids |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200948559Y (en) * | 2006-09-27 | 2007-09-19 | 熊猫电子集团有限公司 | Positioning clamp for fixation of flat plate television front screen |
| US20070284796A1 (en) * | 2006-06-07 | 2007-12-13 | Hummel Richard M | Clamping mechanism |
| CN205928364U (en) * | 2016-08-19 | 2017-02-08 | 天津伟创达自动化技术有限公司 | Closed locating pin that presss from both sides tight automobile body spare |
| CN107379150A (en) * | 2017-07-29 | 2017-11-24 | 扬州市大悦信息科技有限公司 | A kind of groove at side surface device of cylindrical timber |
| CN206748269U (en) * | 2017-04-06 | 2017-12-15 | 桂林电子科技大学 | A kind of clamping device |
| CN208323170U (en) * | 2018-05-30 | 2019-01-04 | 杨定邦 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
-
2018
- 2018-05-30 CN CN201810542862.5A patent/CN108422357A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284796A1 (en) * | 2006-06-07 | 2007-12-13 | Hummel Richard M | Clamping mechanism |
| CN200948559Y (en) * | 2006-09-27 | 2007-09-19 | 熊猫电子集团有限公司 | Positioning clamp for fixation of flat plate television front screen |
| CN205928364U (en) * | 2016-08-19 | 2017-02-08 | 天津伟创达自动化技术有限公司 | Closed locating pin that presss from both sides tight automobile body spare |
| CN206748269U (en) * | 2017-04-06 | 2017-12-15 | 桂林电子科技大学 | A kind of clamping device |
| CN107379150A (en) * | 2017-07-29 | 2017-11-24 | 扬州市大悦信息科技有限公司 | A kind of groove at side surface device of cylindrical timber |
| CN208323170U (en) * | 2018-05-30 | 2019-01-04 | 杨定邦 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048719A (en) * | 2018-09-29 | 2018-12-21 | 深圳市心版图科技有限公司 | A kind of fixture |
| CN109129261A (en) * | 2018-11-05 | 2019-01-04 | 深圳市鹏朗贸易有限责任公司 | A kind of clamp for machining |
| CN109470564A (en) * | 2018-11-28 | 2019-03-15 | 南京航空航天大学 | Composite material tension test device for testing clamping force between and test method after gripping section skids |
| CN109470564B (en) * | 2018-11-28 | 2021-08-06 | 南京航空航天大学 | Device and method for testing clamping force of composite material in tensile test after clamping section slips |
| CN109333413A (en) * | 2018-12-10 | 2019-02-15 | 福州麦辽自动化设备有限公司 | A kind of fixture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108422357A (en) | A kind of fixture of the adjustable protection workpiece machined surface of clamping force | |
| CN108422358A (en) | A kind of fixture with the machined surface function of protecting workpiece | |
| CN101543863B (en) | Connecting device | |
| CN207372762U (en) | A kind of numerically controlled lathe Precision Machining fixture | |
| CN208323170U (en) | A kind of fixture of the adjustable protection workpiece machined surface of clamping force | |
| CN108637721A (en) | A kind of clamping device of circular thin-wall shell part | |
| CN105397584B (en) | A kind of inner bore machining device | |
| CN106799603A (en) | 2 Compliant pressure fixtures of different height | |
| CN107263106B (en) | A kind of engine link system of processing | |
| CN210280724U (en) | Novel clamp for turning thin-wall excircle | |
| CN208801251U (en) | A kind of auto parts and components frock clamp | |
| CN211916215U (en) | Bearing machining positioning device | |
| CN209303750U (en) | Chuck tooling and pipe cutting machine | |
| CN114570952A (en) | Valve body machining tool of wedge-shaped gate valve | |
| CN211991946U (en) | Center clamp for five-axis linkage machine tool | |
| CN211218014U (en) | Cambered surface steel wire thread insert precursor rolling mill | |
| CN210937208U (en) | Double-tensioning fine-adjustment type clamp | |
| CN209887528U (en) | Valve core disassembling tool | |
| CN109048719A (en) | A kind of fixture | |
| CN207058400U (en) | A kind of three-pawl type alignment pin | |
| CN207509057U (en) | A kind of flexible holding device for bench vice | |
| CN109129261A (en) | A kind of clamp for machining | |
| CN210360885U (en) | Eccentric plane grinding fixture for eccentric shaft of scroll compressor | |
| CN111761391A (en) | Automatic eccentric processingequipment of bent axle | |
| CN214135565U (en) | Adjustable honing head gauge circle tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |
|
| RJ01 | Rejection of invention patent application after publication |