CN208323170U - 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
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- CN208323170U CN208323170U CN201820824087.8U CN201820824087U CN208323170U CN 208323170 U CN208323170 U CN 208323170U CN 201820824087 U CN201820824087 U CN 201820824087U CN 208323170 U CN208323170 U CN 208323170U
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Abstract
The utility model belongs to clamp art; 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 mechanism is installed on the first screw rod, and Liang Ge mobile mechanism is distributed along the axis of the first screw rod；Liang Ge mobile mechanism is 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 mechanism；Fixture in the utility model, 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, the purpose on protection workpieces processing surface is reached.
Description
Technical field
The utility model belongs to clamp art more particularly to a kind of adjustable protection workpiece machined surface of clamping force
Fixture.
Background technique
Current existing clamp structure is simple, and fixture and structure at workpieces processing contact position are simple, 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, so that the surface to workpiece leaves impression, if workpiece is hard
When spending 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, thus 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 fixture that the utility model designs a kind of adjustable protection workpiece machined surface of clamping force solves the problems, such as above.
Utility model content
(1) the technical problems to be solved in the utility model
Problem to be solved in the utility model is to provide a kind of fixture of adjustable protection workpiece machined surface of clamping force, with
Overcome in the prior art clamp structure it is simple, the problem of having a single function, often damaged to the surface of workpiece.
(2) the technical solution of the utility model
To solve drawbacks described above in the prior art, the utility model discloses a kind of adjustable protection workpiece of clamping force and has added
The fixture in work face, it adopts the following technical solutions to realize.
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 mechanism is distributed along the axis of the first screw rod；Liang Ge mobile mechanism 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 mechanism.
The mobile mechanism include fixed ring, C-shaped ring, mounting ring, the second nut head, the first stop collar, the second stop collar,
Cating nipple, the first T shape annular groove, the 2nd T shape annular groove, wherein cating nipple is mounted on the first screw rod；Second nut head
On be provided with the 2nd T shape annular groove；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 stop collar and
Two stop collars；C-shaped ring is mounted in the second nut head by the second stop collar and the 2nd being rotatably assorted for T shape annular groove；Fixed ring
The first T shape annular groove is provided on periphery；Fixed ring is mounted on C-shaped by the first stop collar and the first being rotatably assorted for T shape annular groove
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 trunnion, the 5th trunnion, the 6th trunnion, third connecting rod, first
Connection ring, the 7th trunnion, the 8th trunnion, 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 trunnion, first connecting rod, the second screw rod, the second trunnion, movable block, second
Connecting rod, third trunnion, the 4th nut head, threaded hole, the first trunnion of two of them 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 end faces of movable block side
Inclined-plane；The threaded hole of perforation is provided on movable block end face；Two second trunnion one end are fixedly mounted on movable block side；The
One connecting rod one end is mounted between two the first trunnions by straight pin, and the other end is mounted on two second by straight pin
Between ear；Two third trunnion lower end surfaces 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 trunnion one end are fixedly mounted on movable block side, and two the 5th trunnions are located at two second
On the downside of trunnion；Two the 5th trunnions cooperate with corresponding second trunnion；Second connecting rod one end is mounted on two by straight pin
Between third trunnion, the other end is mounted between two the 5th trunnions by straight pin；The fixed peace in two the 6th trunnion upper surfaces
On the mounting ring lower end surface in mobile mechanism on the upside of the first screw axis direction；Two the 7th trunnion one end are fixed
It is mounted on the inclined-plane on movable block in upside；Third connecting rod one end by straight pin be mounted on two the 6th trunnions it
Between；4th connecting rod one end is mounted between two the 7th trunnions by straight pin；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 first connecting rod；
First connection ring and threaded hole cooperate；Two the 4th trunnion 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 trunnion one end are fixedly mounted on the inclined-plane that downside is on movable block
On；6th connecting rod one end is mounted between two the 4th trunnions by straight pin；Pacified by straight pin 5th connecting rod one end
Between two the 8th trunnions；It is connected between 6th connecting rod and the 5th connecting rod by the second connection ring, 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 and threaded hole cooperate；Second spiral shell
Bar is fitted on movable block by external screw thread thereon and threaded hole；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
It accommodates cavity wall thereon and movable plate periphery is slidably installed on the second screw rod；Reset spring is nested in outside the second screw rod
Side；Reset 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
Internal screw thread is provided on three annulus inner headed faces；Third annulus passes through the external screw thread opened on the internal screw thread and the first screw rod opened thereon
It is mounted on the first screw rod by being threadedly engaged；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 coupled by key.
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 stop collar and the first T shape annular groove
Lubricating oil is coated between position ring and the 2nd T shape annular groove.
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.
It is advanced optimized as this technology, first annulus, the second annulus, the thickness of third annulus are all the same.
The effect that first screw rod one end end face in the utility model is fixedly mounted on the first nut end surface is easy for
Liang Ge mobile mechanism is installed；Liang Ge mobile mechanism is installed on the first screw rod, and Liang Ge mobile mechanism is along the axis of the first screw rod
The effect of line distribution is easy for 3 hold-down mechanisms of installation；The effect that Liang Ge mobile mechanism is symmetrically distributed on the first screw rod is just
In adjusting the fixture in the utility model, so that the fixture in the utility model can smooth clamping machining workpiece；3 pressures
The circumferentially uniform outside for being distributed in the first screw rod of tight mechanism, and the effect that 3 hold-down mechanisms are connect with Liang Ge mobile mechanism
It is easy for increasing the purpose of the clamp workpieces processing surface area in the utility model, to reach protection workpieces processing table
The purpose in face.
The effect of mobile mechanism in the utility model is easy for 3 hold-down mechanisms of installation；Cating nipple is mounted on
Effect on one screw rod is easy for the second nut head can move on the first screw rod, while make fixture that workpiece can be used
Surface, fixture when in the case of the folded workpiece surface of workpieces processing tilting or has uneven, in the utility model
Workpiece can still be clamped；The effect that the 2nd T shape annular groove is provided in second nut head is easy for the second stop collar of installation；Second spiral shell
The effect that the circular hole of perforation is provided on female end face is easy for being nested in the first nut head on the outside of the first screw rod；Second nut head
It is easy in the utility model by the effect that the circular hole and cating nipple opened thereon are fitted on the first screw rod
Fixture can clamp the workpiece of processing；C-shaped ring inner headed face upper and lower ends are separately installed with the first stop collar and the second stop collar
Effect is easy for playing fixed ring the purpose of guidance and limitation movement；C-shaped ring passes through the second stop collar and the 2nd T shape annular groove
The effect being mounted in the second nut head that is rotatably assorted is easy for installation C-shaped ring；The first T shape annular groove is provided on fixed ring periphery
Effect be easy for the first stop collar formed be rotatably assorted；Fixed ring passes through the rotation of the first stop collar and the first T shape annular groove
It is fitted in C-shaped 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；In mounting ring
The effect that disc is fixedly mounted on fixed ring inner headed face is easy for 3 hold-down mechanisms of installation.
The effect of hold-down mechanism in the utility model is easy for increasing the clamp workpieces processing in the utility model
The purpose of surface area, to achieve the purpose that protect workpieces processing surface；It is symmetrically opened in the upper and lower end faces of movable block side
There are two the effects on inclined-plane to be easy for the 7th trunnion of installation and the 8th trunnion；Two the first trunnion upper surfaces are fixedly mounted on place
Installation first connecting rod is easy in the effect on the fixed ring end face in the mobile mechanism of the first screw axis direction upside；It is mobile
The effect that the threaded hole of perforation is provided on block end face is easy for the second screw rod of installation；Two second trunnion one end are fixedly mounted on
Effect on movable block side is easy for cylinder pin connection first connecting rod and movable block；First connecting rod one end passes through straight pin
The effect being mounted between two the first trunnions is to be connected and fixed ring and movable block；Two third trunnion lower end surfaces are fixedly mounted
Effect on the fixed ring end face in mobile mechanism on the downside of the first screw axis direction is easy for the second connecting rod of installation；
Second connecting rod one end is easy for being connected and fixed ring and movable block by the effect that straight pin is mounted between two third trunnions；
Second screw rod is easy for adjusting originally practical new by the effect of external screw thread and threaded hole thereon being fitted on movable block
The position of clamp workpiece in type, so that the fixture in the utility model is adapted to the rough flat of workpiece
Face, so that the fixture in the utility model can smooth clamping machining workpiece；It is equipped on the upper end end face of second screw rod
The effect of third nut head is easy for adjusting the dynamics of the clamp workpiece in the utility model, so that the utility model
In fixture can smoothly clamp workpiece；Two the 5th trunnion one end are fixedly mounted on movable block side, and two the 5th
The effect that trunnion is located on the downside of two the second trunnions is easy for the second connecting rod of installation；Two the 5th trunnions with corresponding second
The effect of ear cooperation is easy for first connecting rod and the second connecting rod is in same plane；Two the 6th trunnion upper surfaces are fixed
The effect being mounted on the mounting ring lower end surface in mobile mechanism on the upside of the first screw axis direction is easy for installation third
Connecting rod；Two the 7th trunnion one end are fixedly mounted on the effect on the inclined-plane on movable block in upside and are easy for installation the
Four connecting rods；Third connecting rod one end is mounted between two the 6th trunnions by straight pin；4th connecting rod one end passes through circle
Pin is mounted between two the 7th trunnions；It is connected between third connecting rod and the 4th connecting rod by the first connection ring, and the
The effect parallel with first connecting rod of the line of three connecting rods, the first connection ring and the 4th connecting rod is so that movable block is moving
Stable state can be kept in the process；The effect of first connection ring and threaded hole cooperation is easy for the movement of the second screw rod；Two
4th trunnion upper surface is fixedly mounted on the mounting ring upper surface in mobile mechanism on the downside of the first screw axis direction
Effect is easy for the 6th connecting rod of installation；Two the 8th trunnion one end are fixedly mounted on the inclined-plane on movable block in downside
Effect be easy for installation the 5th connecting rod；6th connecting rod one end is mounted between two the 4th trunnions by straight pin；The
Five connecting rod one end are mounted between two the 8th trunnions by straight pin；By the between 6th connecting rod and the 5th connecting rod
The connection of two connection rings, and the line effect parallel with the second connecting rod of the 5th connecting rod, the second connection ring and the 6th connecting rod
It is so that third connecting rod, the line of the first connection ring and the 4th connecting rod and the 5th connecting rod, the second connection ring and the 6th connect
The line of extension bar may be in same plane；The effect of second connection ring and threaded hole cooperation is easy for the fortune of the second screw rod
It is dynamic；Movable plate one end end face is fixedly mounted on the effect on the second screw rod end face and is easy for guiding and limiting the fortune of the second screw rod
It is dynamic, so that the pressure of the adjustable pressure workpiece of fixture in the utility model, to reach the mesh of preferably protection workpiece
's；Have the function of that accommodating chamber is easy for accommodating reset spring on mounting cylinder；Mounting cylinder by accommodating cavity wall and movement thereon
The effect that plate periphery is slidably installed on the second screw rod is easy for installation reset spring；Reset spring is nested in the second spiral shell
On the outside of bar；Reset spring one end, which is fixedly mounted on, to be accommodated on resonator end surface, and the other end is fixedly mounted on the effect in mobile plate end face
It is easy for giving movable plate one restoring force effect；The effect that the 4th nut head is equipped on mounting cylinder lower end surface, which is easy for compressing, to be added
The workpiece of work.
The effect of cating nipple in the utility model is easy for the second nut head can move on the first screw rod, together
When make fixture that the surface of workpiece can be used, tilt or have rough feelings for the folded workpiece surface of workpieces processing
When condition, the fixture in the utility model can still clamp workpiece；It is just that internal thread effect is opened on third annulus inner headed face
It can be formed and be threadedly engaged with the first screw rod in third annulus；Third annulus passes through on the internal screw thread and the first screw rod opened thereon
The external screw thread opened is easy for the second annulus of installation by being threadedly engaged the effect being mounted on the first screw rod；Second annulus passes through
Two first rotating shafts on same straight line are mounted on third annulus, and the second annulus is nested in the work on the outside of third annulus
Be easy for installation the first annulus；First annulus is mounted on the second annulus by two the second shafts on same straight line
On, and the first 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
It is that the first annulus, the second annulus and third annulus is allowed to form ten thousand with the mutually perpendicular effect of the line of two first rotating shafts
To rotation；The effect that the perforation circular hole inner headed face opened on the periphery of first annulus and the second nut head is coupled by key
The first circular motion can be driven by being easy for the second nut head；It is equipped on 4th end face of the nut head far from the second screw rod multiple
The effect of convex block is easy for the 4th nut head and contacts more preferably with the surface of workpieces processing；4th end of the nut head far from the second screw rod
The material that multiple convex blocks are equipped on face is that the effect of rubber is easy for fixture in the utility model when clamping softer workpiece
It can achieve the purpose on protective folder clamping of workpieces surface；Lubricating oil, the second limit are coated between first stop collar and the first T shape annular groove
The effect that lubricating oil is coated between ring and the 2nd T shape annular groove is easy for reducing rubbing between the first stop collar and the first T shape annular groove
Wipe power, the frictional force between the second stop collar and the 2nd T shape annular groove；First annulus, the second annulus, the thickness of third annulus are homogeneous
Same effect is easy for reducing the processing and manufacturing cost of the first annulus, the second annulus and third annulus.
(3) the advantages of the utility model and beneficial effect
Relative to traditional clamp technology, the fixture in the utility model, which has, increases the area that fixture pressure workpiece is pressed,
So that achieve the purpose that increase clamp workpieces processing surface area in the case where clamp pressing power is constant, thus
So that the pressure that fixture is contacted with workpieces processing reduces, the purpose on protection workpieces processing surface is reached.
Detailed description of the invention
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 first connecting 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 stop collar mounting structure schematic diagram.
Fig. 9 is cating nipple mounting structure schematic diagram.
Figure 10 is the second stop collar 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 reset 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 trunnion；10, first connecting rod；11, the second screw rod；12, the second trunnion；13, movable block；14, the second connecting rod；
15, third trunnion；16, the 4th nut head；17, threaded hole；18, fixed ring；19, C-shaped ring；20, the second nut head；21, first
Stop collar；22, the second stop collar；23, the first annulus；24, the second annulus；25, first rotating shaft；26, third annulus；27, second
Shaft；28, the first T shape annular groove；29, the 2nd T shape annular groove；30, cating nipple；31, the 4th trunnion；32, the 5th trunnion；33,
6th trunnion；34, third connecting rod；35, the first connection ring；36, the 4th connecting rod；37, the 7th trunnion；38, the 8th trunnion；
39, the second connection ring；40, the 6th connecting rod；41, inclined-plane；42, mounting cylinder；43, reset spring；44, movable plate；45, it accommodates
Chamber；46, mounting ring；47, the 5th connecting rod.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
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 mechanism 3 is distributed along the axis of the first screw rod 1；Such as the institute of Fig. 1,2,3
Show, Liang Ge mobile mechanism 3 is symmetrically distributed on the first screw rod 1；As shown in Figure 1, 2, 3,32 circumferentially uniform points of hold-down mechanism
Cloth is in the outside of the first screw rod 1, and 3 hold-down mechanisms 2 are connect with Liang Ge mobile mechanism 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 stop collar 21, the second stop collar 22, cating nipple 30, the first T shape annular groove 28, the 2nd T shape 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 groove is 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 and cating nipple 30 be fitted on the first screw rod 1；As shown in Figure 10, above and below 19 inner headed face of C-shaped ring
Both ends are separately installed with the first stop collar 21 and the second stop collar 22；As shown in figure 8, C-shaped ring 19 by the second stop collar 22 with
Being rotatably assorted for 2nd T shape annular groove 29 is mounted in the second nut head 20；As shown in figure 11, is provided on 18 periphery of fixed ring
One T shape annular groove 28；As shown in figure 9, fixed ring 18 is mounted on by the first stop collar 21 with the first being rotatably assorted for T shape 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 includes third nut head 5, the 4th trunnion 31, the 5th trunnion 32, the 6th
Ear 33, third connecting rod 34, the first connection ring 35, the 4th connecting rod 36, the 7th trunnion 37, the 8th trunnion 38, the second connection ring
39, the 6th connecting rod 40, inclined-plane 41, mounting cylinder 42, reset spring 43, movable plate 44, accommodating chamber 45, the 5th connecting rod 47,
One trunnion 9, first connecting rod 10, the second screw rod 11, the second trunnion 12, movable block 13, the second connecting rod 14, third trunnion 15,
4th nut head 16, threaded hole 17, as shown in Figure 4,5,9 upper surface of the first trunnion of two of them 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 trunnion are fixedly mounted on 13 side of movable block；10 one end of first connecting rod passes through straight pin
It is mounted between two the first trunnions 9, the other end is mounted between two the second trunnions 12 by straight pin；As shown in Figure 4,5,
Two 15 lower end surfaces of third trunnion 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 trunnion are fixedly mounted on 13 side of movable block, and two the 5th
Ear 32 is located at two the second trunnions, 12 downside；Two the 5th trunnions 32 cooperate with corresponding second trunnion 12；As shown in Figure 4,5,
Second connecting rod, 14 one end is mounted between two third trunnions 15 by straight pin, and the other end is mounted on two by straight pin
Between 5th trunnion 32；As shown in Figure 4,5, two 33 upper surfaces of the 6th trunnion are fixedly mounted in 1 axis side of the first screw rod
On 46 lower end surface of mounting ring in upward side mobile mechanism 3；As shown in Figure 4,5, two 37 one end of the 7th trunnion are fixedly mounted
On inclined-plane 41 on movable block 13 in upside；34 one end of third connecting rod is mounted on two the 6th trunnions 33 by straight pin
Between；4th connecting rod, 36 one end is mounted between two the 7th trunnions 37 by straight pin；As shown in Figure 4,5, third connects
It is connected between bar 34 and the 4th connecting rod 36 by the first connection ring 35, and third connecting rod 34, the first connection ring 35 and the 4th
The line of connecting rod 36 is parallel with first connecting rod 10；First connection ring 35 cooperates with threaded hole 17；As shown in Figure 4,5, two
4th trunnion, 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 trunnion are fixedly mounted on the inclined-plane 41 on movable block 13 in downside；6th connecting rod 40
One end is mounted between two the 4th trunnions 31 by straight pin；As shown in Figure 4,5,47 one end of the 5th connecting rod passes through straight pin
It is mounted between two the 8th trunnions 38；As shown in Figure 4,5, connect between the 6th connecting rod 40 and the 5th connecting rod 47 by second
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 cooperates with threaded hole 17；As shown in Figure 4,5, the second screw rod 11 passes through external screw thread and threaded hole 17 thereon
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；Reset spring 43 is nested in 11 outside of the second screw rod；As shown in figure 16, the fixed peace in 43 one end of reset 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 end surface 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 screw thread on 26 inner headed face of third annulus；Third annulus 26 is interior by being opened thereon
The external screw thread opened on screw thread and the first screw rod 1 is mounted on the first screw rod 1 by being threadedly engaged；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 the second annulus 24 by two the second shafts 27 on same straight line, and the first annulus
23 are nested in 24 outside of the second annulus；The line of two the second shafts 27 and the line of two first rotating shafts 25 are orthogonal.
The perforation circular hole inner headed face opened on the periphery of first annulus 23 and the second nut head 20 is cooperated 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 stop collar 22 and the 2nd T shape ring are coated between first stop collar 21 and the first T shape annular groove 28
Lubricating oil is coated between slot 29.
First screw rod, 1 one end end face is mounted on 4 end face of the first nut head by welding.
First annulus 23, the second annulus 24, the thickness of third annulus 26 are all the same.
Specific embodiment are as follows: when the fixture in the utility model will clamping machining workpiece when, the work processed will be needed
Part penetrates 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 of movement
First 20, which will will drive the first annulus 23, moves, and the first annulus 23 will will drive the second shaft 27 and move, and the second shaft 27 will band
Dynamic second annulus 24 movement, the second annulus 24 will will drive first rotating shaft 25 and move, and first rotating shaft 25 will will drive the first annulus
23 movements, 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 of the first screw rod 1
Direction movement；Second nut head 20 of movement will will drive the second stop collar 22 and move；Second stop collar 22 of movement will band
Dynamic C-shaped ring 19 moves, and the C-shaped ring 19 of movement will will drive the first stop collar 21 and move, and the first stop collar 21 will will drive fixation
Ring 18 moves, and fixed ring 18 will will drive 3 hold-down mechanisms 2 and move, and hold-down mechanism 2 at this time will workpiece pressing；At this time
Compression in reset spring 43；Operator carries out the second nut head 20 of rotation the first screw rod 1 upside, on the first screw rod 1 at this time
The mobile mechanism 3 of side, mobile mechanism 3 at this time will will drive the first trunnion 9 and move, and the first trunnion 9 will will drive the first connection
Bar 10 moves, and first connecting rod 10 will will drive the second trunnion 12 and move, and the second trunnion 12 of movement will will drive movable block 13
Movement, movable block 13 will will drive the second screw rod 11 and move, and the second screw rod 11 will will drive third nut head 5 and the 4th nut head
16 movements；Reset spring 43 at this time will be compressed；Operator at this time will see the fixture situation in the utility model, into
Row adjusts the second screw rod 11 in 3 hold-down mechanisms 2, and when the plane of workpieces processing is uneven, operator at this time is carried out
Third nut head 5 is driven to rotate, the third nut head 5 of rotation will will drive the second screw rod 11 and move, and the second screw rod 11 will band
Dynamic reset spring 43 moves, and reset spring 43 will will drive mounting cylinder 42 and move；Mounting cylinder 42 will will drive the 4th nut head 16
Movement, the 4th nut head 16 at this time will compacting processing workpiece so that the fixture in the utility model can clamp work
It can achieve the purpose of protection workpiece institute clamp surface while part again；When operator has found the pressure processing of the fixture in the utility model
When the dynamics of part is larger, operator at this time can drive third nut head 5 to move, and third nut head 5 will will drive the second spiral shell
Bar 11 moves, and the second screw rod 11 will will drive movable plate 44 and move；So that the decrement of reset spring 43 changes；Movement
Movable plate 44 will adjust the active force that reset spring 43 is transmitted to mounting cylinder 42, adjust mounting cylinder 42 to workpieces processing to reach
Active force, to achieve the purpose that preferably to protect workpiece compression plane.
In conclusion above embodiment is not the restricted embodiment for being the utility model, the technology of all this fields
Personnel can also make several improvements and modifications on the basis of the substantive content of the utility model, these improvements and modifications
It should be regarded as the protection scope of the utility model.
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 mechanism is distributed along the axis of the first screw rod；Liang Ge mobile mechanism is 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
The connection of Liang Ge mobile mechanism；
The mobile mechanism includes fixed ring, C-shaped ring, mounting ring, the second nut head, the first stop collar, the second stop collar, universal
Mechanism, the first T shape annular groove, the 2nd T shape annular groove are saved, wherein cating nipple is mounted on the first screw rod；It is opened in second nut head
There is the 2nd T shape annular groove；The circular hole of perforation is provided on second nut end surface；Second nut head passes through the circular hole and ten thousand opened thereon
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 stop collar and the second limit
Position ring；C-shaped ring is mounted in the second nut head by the second stop collar and the 2nd being rotatably assorted for T shape annular groove；Fixed ring outer circle
The first T shape annular groove is provided on face；Fixed ring is mounted in C-shaped ring by the first stop collar and the first being rotatably assorted for T shape annular groove,
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 trunnion, the 5th trunnion, the 6th trunnion, third connecting rod, the first connection
Ring, the 4th connecting rod, the 7th trunnion, the 8th trunnion, the second connection ring, the 6th connecting rod, inclined-plane, mounting cylinder, reset spring, shifting
Movable plate, accommodating chamber, the 5th connecting rod, the first trunnion, first connecting rod, the second screw rod, the second trunnion, movable block, the second connection
Bar, third trunnion, the 4th nut head, threaded hole, the first trunnion of two of them 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 end faces of movable block side tiltedly
Face；The threaded hole of perforation is provided on movable block end face；Two second trunnion one end are fixedly mounted on movable block side；First
Connecting rod one end is mounted between two the first trunnions by straight pin, and the other end is mounted on two the second trunnions by straight pin
Between；Two third trunnion lower end surfaces 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 trunnion one end are fixedly mounted on movable block side, and two the 5th trunnions are located at two second
On the downside of ear；Two the 5th trunnions cooperate with corresponding second trunnion；Second connecting rod one end is mounted on two by straight pin
Between three trunnions, the other end is mounted between two the 5th trunnions by straight pin；Two the 6th trunnion upper surfaces are fixedly mounted
On the mounting ring lower end surface in mobile mechanism on the upside of the first screw axis direction；The fixed peace in two the 7th trunnion one end
On inclined-plane on movable block in upside；Third connecting rod one end is mounted between two the 6th trunnions by straight pin；
4th connecting rod one end is mounted between two the 7th trunnions by straight pin；Pass through between third connecting rod and the 4th connecting rod
The connection of first connection ring, and the line of third connecting rod, the first connection ring and the 4th connecting rod is parallel with first connecting rod；First
Connection ring and threaded hole cooperate；Two the 4th trunnion 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 trunnion one end are fixedly mounted on the inclined-plane on movable block in downside；The
Six connecting rod one end are mounted between two the 4th trunnions by straight pin；5th connecting rod one end is mounted on two by straight pin
Between a 8th trunnion；It is connected between 6th connecting rod and the 5th connecting rod by the second connection ring, 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 and threaded hole cooperate；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 on the second screw rod with movable plate periphery；Reset 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 end surface
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 round
Internal screw thread is provided on ring inner headed face；Third annulus passes through the external screw thread opened on the internal screw thread and the first screw rod opened thereon and passes through
It is threadedly engaged and is mounted on the first screw rod；Second annulus is mounted on third circle by two first rotating shafts on same straight line
On ring, and the second annulus is nested on the outside of third annulus；First annulus passes through two the second shaft peaces 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 coupled by key.
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
Stating and being equipped with the material of multiple convex blocks on the 4th end face of the nut head far from the second screw rod is rubber.
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 stop collar and the first T shape annular groove, be coated with lubrication between the second stop collar and the 2nd T shape annular groove
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
It is all the same to state the first annulus, the second annulus, the thickness of third annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824087.8U CN208323170U (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 |
|---|---|---|---|
| CN201820824087.8U CN208323170U (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 |
|---|---|
| CN208323170U true CN208323170U (en) | 2019-01-04 |
Family
ID=64772225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820824087.8U Expired - Fee Related CN208323170U (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) | CN208323170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422357A (en) * | 2018-05-30 | 2018-08-21 | 杨定邦 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
| CN111112707A (en) * | 2019-12-31 | 2020-05-08 | 界首市神机合自动化科技有限公司 | Automatic milling lathe is with cyclic annular spare mounting fixture |
-
2018
- 2018-05-30 CN CN201820824087.8U patent/CN208323170U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422357A (en) * | 2018-05-30 | 2018-08-21 | 杨定邦 | A kind of fixture of the adjustable protection workpiece machined surface of clamping force |
| CN111112707A (en) * | 2019-12-31 | 2020-05-08 | 界首市神机合自动化科技有限公司 | Automatic milling lathe is with cyclic annular spare mounting fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200327 Address after: 211100 No.3, Yinian Road, Binjiang Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Wenxiang automation equipment Co.,Ltd. Address before: 512000 501 building, No. 172 Wujiang North Road, Wujiang District, Shaoguan, Guangdong, China, 1 Patentee before: Yang Dingbang |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |