CN109129261A - A kind of clamp for machining - Google Patents
A kind of clamp for machining Download PDFInfo
- Publication number
- CN109129261A CN109129261A CN201811308300.0A CN201811308300A CN109129261A CN 109129261 A CN109129261 A CN 109129261A CN 201811308300 A CN201811308300 A CN 201811308300A CN 109129261 A CN109129261 A CN 109129261A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- annulus
- trunnion
- nut head
- face
- 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.)
- Withdrawn
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention belongs to clamp art more particularly to a kind of fixtures of the machining function with firm protection workpiece, it includes the first screw rod, pedestal, hold-down mechanism, mobile mechanism, wherein first screw rod one end end face is fixedly mounted on pedestal end face；Liang Ge mobile mechanism is installed on the first screw rod, and Liang Ge mobile mechanism is distributed along the same direction 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 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, the purpose on firm protection workpieces processing surface is reached.
Description
Technical field
The invention belongs to clamp art more particularly to a kind of clamp for machining.
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, and fixture is similarly subjected to biggish active force when processing the workpiece, so designing a kind of tool
Having the fixture of firm protection workpieces processing is necessary.
The present invention design a kind of clamp for machining solve the problems, such as it is as above.
Summary of the invention
In view of the above circumstances, the present invention to be solved its technical problem the following technical solution is employed to realize.
A kind of clamp for machining, it includes the first screw rod, pedestal, hold-down mechanism, mobile mechanism, wherein first screw rod one end end
Face is fixedly mounted on pedestal end face；Liang Ge mobile mechanism is installed on the first screw rod, and Liang Ge mobile mechanism is along the first spiral shell
The same direction of bar is distributed；Liang Ge mobile mechanism is symmetrically distributed on the first screw rod；3 hold-down mechanisms are circumferentially uniform to be distributed in
The outside of first screw rod, and 3 hold-down mechanisms are connect with Liang Ge mobile mechanism；
The mobile mechanism includes fixed ring, C-shaped ring, the first nut head, the first stop collar, the second stop collar, turning machine
Structure, the first T shape annular groove, the 2nd T shape annular groove, wherein steering structure is mounted on the first screw rod；The 2nd T is provided in first nut head
Shape annular groove；The circular hole of perforation is provided on first nut end surface；First nut head passes through the circular hole and steering structure opened thereon
It 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 stop collar；C-shaped
Ring is mounted in the first nut head by the second stop collar and the 2nd being rotatably assorted for T shape annular groove, is provided on fixed ring periphery
First T shape annular groove；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
It is nested on the outside of the first screw rod；
The hold-down mechanism includes the first trunnion, first connecting rod, the second trunnion, the second connecting rod, movable block, third branch
Ear, the second screw rod, the second nut head, third nut head, threaded hole, the first trunnion of two of them upper surface are fixedly mounted on place
In on the fixed ring end face in the mobile mechanism of the first screw axis direction upside；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 on two by straight pin
Between one trunnion, the other end is mounted between two the second trunnions by straight pin；The fixed peace in two third trunnion upper surfaces
On the fixed ring end face in mobile mechanism on the downside of the first screw axis direction；Second connecting rod one end passes through straight pin
It is mounted between two third trunnions, the other end is mounted on the straight pin on the second trunnion by bearing；Second trunnion
Connection is there are two the second connecting rod, and the second connecting rod quantity is 6, and the second screw rod passes through external screw thread and threaded hole thereon
Be fitted on movable block；The second nut head and third nut head are separately installed on the both ends end face of second screw rod；
The steering structure includes the first annulus, the second annulus, first rotating shaft, third annulus, the second shaft, wherein third
Internal screw thread is provided on annulus inner headed face；It is logical that third annulus passes through the external screw thread opened on the internal screw thread and the first screw rod opened thereon
It crosses to be threadedly engaged and be mounted on the first screw rod；Second annulus is mounted on third by two first rotating shafts on same straight line
On annulus, and the second annulus is nested on the outside of third annulus；First annulus passes through two the second shafts on same straight line
It 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 turn
The line of axis is orthogonal.
Further, the perforation circular hole inner headed face opened in the periphery of first annulus and the first nut head passes through key
It is coupled.
Further, there are two second connecting rods for the second trunnion connection, and there are two the third trunnion connections
Second connecting rod.
Further, the first connecting rod length is greater than the second connection pole length.
Further, first trunnion is axially equidistant with the third trunnion and first screw rod.
Further, first stop collar is identical as the first T shape annular groove shape.
Further, the first rotating shaft and second shaft are arranged in cross.
Further, peace turns have multiple convex blocks on the end face of the third nut head far from the second screw rod.
Further, first screw rod is fixedly connected on the pedestal.
Further, first annulus, the second annulus, the thickness of third annulus are all the same.
Fixture in the present invention, which has, increases the area that fixture pressure workpiece is pressed, so that constant in clamp pressing power
In the case of, achieve the purpose that increase clamp workpieces processing surface area, so that the pressure that fixture is contacted with workpieces processing
It is strong to reduce, reach the purpose on firm protection workpieces processing surface.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
In the accompanying drawings:
Fig. 1 is global facility distribution schematic diagram；
Fig. 2 is first connecting rod mounting structure schematic diagram；
Fig. 3 is movable block mounting structure schematic diagram；
Fig. 4 is the first stop collar mounting structure schematic diagram；
Fig. 5 is the second stop collar mounting structure schematic diagram；
Fig. 6 is fixed ring structural schematic diagram；
Fig. 7 is the second nut head structural schematic diagram；
Fig. 8 is first rotating shaft mounting structure schematic diagram；
Fig. 9 is the second mounting structure for rotating shaft schematic diagram.
Figure label title: 1 first screw rod, 2 pedestals, 3 hold-down mechanisms, 4 mobile mechanisms, 5 fixed rings, 6C shape ring, 7 first
Nut head, 8 first trunnions, 9 first connecting rods, 10 second trunnions, 11 second connecting rods, 12 movable blocks, 13 third trunnions, 14
Two screw rods, 15 second nut heads, 16 third nut heads, 17 threaded holes, 18 first stop collars, 19 second stop collars, 20 first circles
Ring, 21 second annulus, 22 first rotating shafts, 23 third annulus, 24 second shafts, 25 the oneth T shape annular grooves, 26 the 2nd T shape annular grooves, 27
Steering structure
Specific embodiment
It is clear in order to be more clear the purpose of the present invention, technical solution and advantageous effects, below in conjunction with this hair
Attached drawing in bright embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figure 1, it includes the first screw rod 1, pedestal 2, hold-down mechanism 3, mobile mechanism 4, wherein 1 one end of the first screw rod
End face is fixedly mounted on 2 end face of pedestal；Liang Ge mobile mechanism 4 is installed on the first screw rod 1, and 4 edge of Liang Ge mobile mechanism
The same direction of first screw rod 1 is distributed；Liang Ge mobile mechanism 4 is symmetrically distributed on the first screw rod 1；3 hold-down mechanisms 3 are circumferential
The even outside for being distributed in the first screw rod 1, and 3 hold-down mechanisms 3 are connect with Liang Ge mobile mechanism 4；
As shown in figs. 4-7, the mobile mechanism 4 include fixed ring 5, C-shaped ring 6, the first nut head 7, the first stop collar 18,
Second stop collar 19, steering mechanism 27, the first T shape annular groove 25, the 2nd T shape annular groove 26, wherein steering structure is mounted on the first spiral shell
On bar 1；The 2nd T shape annular groove 26 is provided in first nut head 7；The circular hole of perforation is provided on first nut head, 7 end face；First nut
First 7 circular hole and steering structure by being opened thereon is fitted on the first screw rod 1；6 inner headed face upper and lower ends of C-shaped ring difference
First stop collar 18 and the second stop collar 19 are installed；C-shaped ring 6 passes through the rotation of the second stop collar 19 and the 2nd T shape annular groove 26
It is fitted in the first nut head 7, the first T shape annular groove 25 is provided on 5 periphery of fixed ring；Fixed ring 5 passes through the first limit
Ring 18 and the first being rotatably assorted for T shape annular groove 25 are mounted in C-shaped ring 6, and fixed ring 5 is nested in 1 outside of the first screw rod；
As shown in Figure 2,3, the hold-down mechanism 3 includes the first trunnion 8, first connecting rod 9, the second trunnion 10, second company
Extension bar 11, movable block 12, third trunnion 13, the second screw rod 14, the second nut head 15, third nut head 16, threaded hole 17, wherein
Two 8 upper surfaces of the first trunnion are fixedly mounted on the fixed ring 5 in mobile mechanism 4 on the upside of 1 axis direction of the first screw rod
On end face；The threaded hole 17 of perforation is provided on 12 end face of movable block；Two 10 one end of the second trunnion are fixedly mounted on movable block
On 12 sides；9 one end of first connecting rod is mounted between two the first trunnions 8 by straight pin, and the other end is pacified by straight pin
Between two the second trunnions 10；Two 13 upper surfaces of third trunnion are fixedly mounted in 1 axis direction of the first screw rod
On 5 end face of fixed ring in downside mobile mechanism 4；Second connecting rod, 11 one end is mounted on two third trunnions 13 by straight pin
Between, the other end is mounted on the straight pin on the second trunnion 10 by bearing；There are two second for the connection of second trunnion 10
Connecting rod 11,11 quantity of the second connecting rod are 6, the cooperation that the second screw rod 14 passes through external screw thread and threaded hole 17 thereon
It is mounted on movable block 12；The second nut head 15 and third nut head 16 are separately installed on the both ends end face of second screw rod 14；
As shown in Figure 8,9, the steering structure includes the first annulus 20, the second annulus 21, first rotating shaft 22, third annulus
23, the second shaft 24 is wherein provided with internal screw thread on 23 inner headed face of third annulus；Third annulus 23 passes through the internal screw thread opened thereon
It is mounted on the first screw rod 1 with the external screw thread opened on the first screw rod 1 by being threadedly engaged；Second annulus 21 is in by two
First rotating shaft 22 on same straight line is mounted on third annulus 23, and the second annulus 21 is nested in 23 outside of third annulus；The
One annulus 20 is mounted on the second annulus 21 by two the second shafts 24 on same straight line, and the first annulus 20 is nested
In 21 outside of the second annulus；The line of two the second shafts 24 and the line of two first rotating shafts 22 are orthogonal.
As shown in figure 4, the perforation circular hole inner headed face opened in the periphery of first annulus 20 and the first nut head 7 is logical
Key is crossed to be coupled.
As shown in Figure 1, the connection of the second trunnion 10 is there are two second connecting rod 11, the third trunnion 13 is connected
There are two second connecting rod 11, by second trunnion 10 and the third trunnion 13 respectively with second connecting rod
11 are cross-linked, for being bonded the hold-down mechanism 3 in the mobile mechanism 4.
As shown in Figure 1,9 length of first connecting rod is greater than 11 length of the second connecting rod, for making the compression
Bigger active force is born between mechanism 3 and the mobile mechanism 4.
As shown in Fig. 2, first trunnion 8 is equal with 1 axial distance of the first screw rod with the third trunnion 13.
As shown in Figure 5,6, first stop collar 18 is identical as the first T shape 25 shapes of annular groove, passes through described first
Stop collar 18 and the first T shape annular groove 25 cooperate, for rotating clamping machining workpiece.
As shown in figure 9, the first rotating shaft 22 is arranged with second shaft 24 in cross, for keeping the steering
Mechanism 27 keeps relative level.
As shown in figure 3, peace turns have multiple convex blocks on end face of the third nut head 16 far from the second screw rod 14, for protecting
Protect the surface of workpieces processing.
As shown in Figure 1, first screw rod 1 is fixedly connected on the pedestal 2, for stablizing the clamp for machining.
As shown in figure 9, first annulus 20, the second annulus 21, the thickness of third annulus 23 are all the same.
The effect that 1 one end end face of the first screw rod in the present invention is fixedly mounted on 2 end face of pedestal is easy for installation two
Mobile mechanism 4；Liang Ge mobile mechanism 4 is installed on the first screw rod 1, and Liang Ge mobile mechanism 4 is along the phase Tongfang of the first screw rod 1
Effect to distribution is easy for 3 hold-down mechanisms 3 of firm installation；Liang Ge mobile mechanism 4 is symmetrically distributed in the work on the first screw rod 1
Be easy for adjust the present invention in fixture so that the fixture in the present invention can smooth clamping machining workpiece；3 compressions
The circumferentially uniform outside for being distributed in the first screw rod 1 of mechanism 3, and the work that 3 hold-down mechanisms 3 are connect with Liang Ge mobile mechanism 4
With the purpose for the clamp workpieces processing surface area being easy in the increase present invention, protection workpieces processing is consolidated to reach
The purpose on surface.
The effect of mobile mechanism 4 in the present invention is easy for 3 hold-down mechanisms 3 of installation；Steering mechanism 27 is mounted on first
Effect on screw rod 1 is easy for the first nut head 7 can move on the first screw rod 1, while make fixture that workpiece can be used
Surface, for the folded workpiece surface inclination of workpieces processing or when in the case of having uneven, fixture in the present invention according to
Workpiece can so be clamped；The effect that the 2nd T shape annular groove 26 is provided in first nut head 7 is easy for the second stop collar 19 of installation；The
The effect for the circular hole for being provided with perforation on one nut head, 7 end face is easy for for the first nut head 7 being nested in 1 outside of the first screw rod；The
One nut head 7 passes through the circular hole opened thereon and the effect that steering mechanism 27 is fitted on the first screw rod 1 and is easy for this hair
Fixture in bright can clamp the workpiece of processing；6 inner headed face upper and lower ends of C-shaped ring are separately installed with the first stop collar 18 and second
The effect of stop collar 19 is easy for playing fixed ring 5 purpose of guidance and limitation movement；C-shaped ring 6 passes through the second stop collar 19
The effect being mounted in the first nut head 7 that is rotatably assorted with the 2nd T shape annular groove 26 is easy for installation C-shaped ring 6；Outside fixed ring 5
The effect that the first T shape annular groove 25 is provided on disc is easy for being formed with the first stop collar 18 and be rotatably assorted；Fixed ring 5 passes through first
Stop collar 18 and the first being rotatably assorted for T shape annular groove 25 are mounted in C-shaped ring 6, and fixed ring 5 is nested in 1 outside of the first screw rod
Effect be easy for installation hold-down mechanism 3.
The effect of hold-down mechanism 3 in the present invention is easy for increasing the clamp workpieces processing surface area in the present invention
Purpose, thus achieve the purpose that protect workpieces processing surface；Two 8 upper surfaces of the first trunnion are fixedly mounted in first
The effect on 5 end face of fixed ring on the upside of 1 axis direction of screw rod in mobile mechanism 4 is easy for installation first connecting rod 9；Movable block
The effect that the threaded hole 17 of perforation is provided on 12 end faces is easy for the second screw rod 14 of installation；Two 10 one end of the second trunnion are fixed
The effect being mounted on 12 side of movable block is easy for cylinder pin connection first connecting rod 9 and movable block 12；First connecting rod 9 one
End is mounted between two the first trunnions 8 by straight pin, and the other end is mounted between two the second trunnions 10 by straight pin
Effect be to be connected and fixed ring 5 and movable block 12；Two 13 upper surfaces of third trunnion are fixedly mounted in 1 axis of the first screw rod
The effect on 5 end face of fixed ring on the downside of line direction in mobile mechanism 4 is easy for the second connecting rod 11 of installation；Second connecting rod 11
One end is mounted between two third trunnions 13 by straight pin, and the other end is mounted on the cylinder on the second trunnion 10 by bearing
Effect on pin is easy for being connected and fixed ring 5 and movable block 12；Second trunnion 10 is fixedly connected there are two the second connecting rod 11, the
Three trunnions 13 are fixedly connected there are two the second connecting rod 11, are cross-linked two second with third trunnion 13 by the second trunnion 10
The effect of connecting rod 11 is to be bonded hold-down mechanism 3；Second screw rod 14 is pacified by the cooperation of external screw thread and threaded hole 17 thereon
Effect on movable block 12 is easy for adjusting the position of the clamp workpiece in the present invention, so that in the present invention
Fixture is adapted to the rough plane of workpiece, so that the fixture in the present invention can smooth clamping machining workpiece；
The effect that third nut head 16 and the 4th nut head are separately installed on the both ends end face of second screw rod 14 is easy for adjusting this hair
The dynamics of clamp workpiece in bright, so that the fixture in the present invention can smoothly clamp workpiece.
The effect of steering mechanism 27 in the present invention is easy for the first nut head 7 can move on the first screw rod 1, simultaneously
So that the surface of workpiece can be used in 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；Internal thread effect is opened on 23 inner headed face of third annulus is easy for the
Three annulus 23 can be formed with the first screw rod 1 and are threadedly engaged；Third annulus 23 passes through the internal screw thread and the first screw rod 1 opened thereon
On the external screw thread opened by being threadedly engaged the effect being mounted on the first screw rod 1 be easy for the second annulus 21 of installation；Second circle
Ring 21 is mounted on third annulus 23 by two first rotating shafts 22 on the same straight line, and the second annulus 21 is nested in the
The effect in three annulus, 23 outside is easy for the first annulus 20 of installation；First annulus 20 passes through two second on same straight line
Shaft 24 is mounted on the second annulus 21, and the effect that the first annulus 20 is nested on the outside of the second annulus 21 is easy for installation first
Nut head 7；The mutually perpendicular effect of line of the line and two first rotating shafts 22 of two the second shafts 24 is so that the first circle
Ring 20, the second annulus 21 and third annulus 23 can form universal rotational；On the periphery of first annulus 20 and the first nut head 7
The perforation circular hole inner headed face opened, which is easy for the first nut head 7 by the effect that key is coupled, can drive the first annulus 20 to transport
It is dynamic；Third nut head 16 is equipped with multiple convex blocks effect on the end face far from the second screw rod 14 be easy for third nut head 16 with
The surface contact of workpieces processing is more preferable；Third nut head 16 is equipped with the material of multiple convex blocks on the end face far from the second screw rod 14
The fixture being easy in the present invention for the effect of rubber can achieve the mesh on protective folder clamping of workpieces surface when clamping softer workpiece
's；Lubricating oil is coated between first stop collar 18 and the first T shape annular groove 25, between the second stop collar 19 and the 2nd T shape annular groove 26
The effect for being coated with lubricating oil is easy for reducing the frictional force between the first stop collar 18 and the first T shape annular groove 25, the second stop collar
19 and the 2nd frictional force between T shape annular groove 26；First annulus 20, the second annulus 21, the thickness of third annulus 23 are all the same
Effect is easy for reducing the processing and manufacturing cost of the first annulus 20, the second annulus 21 and third annulus 23.
Specific embodiment are as follows: when the fixture in the present invention will clamping machining workpiece when, the workpiece processed will be needed to wear
Enter in the hole on workpiece；Operator carries out that the first nut head 7 is driven to move using tool at this time, and the first nut head 7 of movement will
It will drive the movement of the first annulus 20, the first annulus 20 will will drive the second shaft 24 and move, and the second shaft 24 will will drive second
Annulus 21 moves, and the second annulus 21 will will drive first rotating shaft 22 and move, and first rotating shaft 22 will will drive the first annulus 20 and move,
First annulus 20 will be moved along the first screw rod 1, and the first nut head 7 of movement will be moved along the axis direction of the first screw rod 1；
First nut head 7 of movement will will drive the second stop collar 19 and move；Second stop collar 19 of movement will will drive C-shaped ring 6 and transport
Dynamic, the C-shaped ring 6 of movement will will drive the first stop collar 18 and move, and the first stop collar 18 will will drive fixed ring 5 and move, fixed
Ring 5 will will drive 3 hold-down mechanisms 3 and move, and hold-down mechanism 3 at this time will workpiece pressing；Operator carries out the first spiral shell of rotation
First nut head 7 of the upside of bar 1, the mobile mechanism 4 of 1 upside of the first screw rod at this time, mobile mechanism 4 at this time will will drive the
The movement of one trunnion 8, the first trunnion 8 will will drive first connecting rod 9 and move, and first connecting rod 9 will will drive the second trunnion 10 and transport
Dynamic, the second trunnion 10 of movement will will drive movable block 12 and move, and movable block 12 will will drive the second screw rod 14 and move, the second spiral shell
Bar 14 will will drive the second nut head 15 and third nut head 16 moves；Operator at this time will see the fixture feelings in the present invention
The second screw rod 14 in 3 hold-down mechanisms 3 is adjusted in condition, when the plane of workpieces processing is uneven, operator at this time
Driving the second nut head 15 rotation is carried out, the second nut head 15 of rotation will will drive the second screw rod 14 and move, the second screw rod 14
Third nut head 16 will be will drive to move, third nut head 16 at this time will compacting processing workpiece so that in the present invention
Fixture can achieve the purpose of protection workpiece institute clamp surface while can clamp workpiece again.
In conclusion it is restricted embodiment of the invention, all those skilled in the art that above embodiment, which is not,
On the basis of substantive content of the invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (10)
1. a kind of clamp for machining, which is characterized in that it includes the first screw rod, pedestal, hold-down mechanism, mobile mechanism, wherein first
Screw rod one end end face is fixedly mounted on pedestal end face；Liang Ge mobile mechanism is installed on the first screw rod, and two moving machines
Structure is distributed along the same direction of the first screw rod；Liang Ge mobile mechanism is symmetrically distributed on the first screw rod；3 hold-down mechanisms are circumferentially equal
The even outside for being distributed in the first screw rod, and 3 hold-down mechanisms are connect with Liang Ge mobile mechanism；
The mobile mechanism includes fixed ring, C-shaped ring, the first nut head, the first stop collar, the second stop collar, steering mechanism,
One T shape annular groove, the 2nd T shape annular groove, wherein steering structure is mounted on the first screw rod；The 2nd T shape ring is provided in first nut head
Slot；The circular hole of perforation is provided on first nut end surface；First nut head passes through the circular hole opened thereon and steering structure cooperates
It is mounted 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 stop collar；C-shaped ring is logical
It crosses the second stop collar and the 2nd being rotatably assorted for T shape annular groove is mounted in the first nut head, the first T is provided on fixed ring periphery
Shape annular groove；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；
The hold-down mechanism include the first trunnion, first connecting rod, the second trunnion, the second connecting rod, movable block, third trunnion,
Second screw rod, the second nut head, third nut head, threaded hole, the first trunnion of two of them upper surface, which is fixedly mounted on, to be in
On fixed ring end face on the upside of first screw axis direction in mobile mechanism；The threaded hole of perforation is provided on movable block end face；Two
A second trunnion one end is fixedly mounted on movable block side；First connecting rod one end is mounted on two first by straight pin
Between trunnion, the other end is mounted between two the second trunnions by straight pin；Two third trunnion upper surfaces are fixedly mounted
On the fixed ring end face in mobile mechanism on the downside of the first screw axis direction；Pacified by straight pin second connecting rod one end
Between two third trunnions, the other end is mounted on the straight pin on the second trunnion by bearing；Second trunnion connects
It connects there are two the second connecting rod, the second connecting rod quantity is 6, and the second screw rod passes through external screw thread thereon and threaded hole
It is fitted on movable block；The second nut head and third nut head are separately installed on the both ends end face of second screw rod；
The steering structure includes the first annulus, the second annulus, first rotating shaft, third annulus, the second shaft, wherein third annulus
Internal screw thread is provided on 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 spiral shell
Line is fitted on the first screw rod；Second annulus is mounted on third annulus by two first rotating shafts on same straight line
On, and the second annulus is nested on the outside of third annulus；First annulus passes through two the second shaft installations on same straight line
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 rotating shafts
Line is orthogonal.
2. fixture according to claim 1, which is characterized in that institute on the periphery of first annulus and the first nut head
The perforation circular hole inner headed face opened is coupled by key.
3. fixture according to claim 1, which is characterized in that there are two second connections for the second trunnion connection
Bar, there are two second connecting rods for the third trunnion connection.
4. fixture according to claim 1, which is characterized in that the first connecting rod length is greater than second connecting rod
Length.
5. fixture according to claim 1, which is characterized in that first trunnion and the third trunnion and described first
Screw rod is axially equidistant.
6. fixture according to claim 1, which is characterized in that first stop collar and the first T shape annular groove shape
It is identical.
7. fixture according to claim 1, which is characterized in that the first rotating shaft is set with second shaft in cross
It sets.
8. fixture according to claim 1, which is characterized in that pacify on the end face of the third nut head far from the second screw rod
Turn there are multiple convex blocks.
9. fixture according to claim 1, which is characterized in that first screw rod is fixedly connected on the pedestal.
10. fixture according to claim 1, which is characterized in that the thickness of first annulus, the second annulus, third annulus
It spends all the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308300.0A CN109129261A (en) | 2018-11-05 | 2018-11-05 | A kind of clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308300.0A CN109129261A (en) | 2018-11-05 | 2018-11-05 | A kind of clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109129261A true CN109129261A (en) | 2019-01-04 |
Family
ID=64807816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811308300.0A Withdrawn CN109129261A (en) | 2018-11-05 | 2018-11-05 | A kind of clamp for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109129261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909916A (en) * | 2019-04-12 | 2019-06-21 | 南京工业大学 | A kind of automation part clamping and fixing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3604005A1 (en) * | 1986-02-08 | 1987-08-13 | Festo Kg | CLAMPING DEVICE FOR CLAMPING WORKPIECES ON WORK TABLES OR WORK TABLES OF MACHINING DEVICES OR MACHINES |
| CN102338144A (en) * | 2010-07-15 | 2012-02-01 | 黄国光 | Telescopic regulation structure |
| CN104117939A (en) * | 2013-04-23 | 2014-10-29 | 上海道多汽车设备有限公司 | Clamping device for automatic automobile production line |
| 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 |
| CN108422358A (en) * | 2018-05-30 | 2018-08-21 | 敖桃荣 | A kind of fixture with the machined surface function of protecting workpiece |
| 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 |
-
2018
- 2018-11-05 CN CN201811308300.0A patent/CN109129261A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3604005A1 (en) * | 1986-02-08 | 1987-08-13 | Festo Kg | CLAMPING DEVICE FOR CLAMPING WORKPIECES ON WORK TABLES OR WORK TABLES OF MACHINING DEVICES OR MACHINES |
| CN102338144A (en) * | 2010-07-15 | 2012-02-01 | 黄国光 | Telescopic regulation structure |
| CN104117939A (en) * | 2013-04-23 | 2014-10-29 | 上海道多汽车设备有限公司 | Clamping device for automatic automobile production line |
| 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 |
| CN108422358A (en) * | 2018-05-30 | 2018-08-21 | 敖桃荣 | A kind of fixture with the machined surface function of protecting workpiece |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909916A (en) * | 2019-04-12 | 2019-06-21 | 南京工业大学 | A kind of automation part clamping and fixing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108994754A (en) | A kind of fixture of the machined surface function with protection workpiece | |
| JP4727917B2 (en) | Index table | |
| CN1044343C (en) | Apparatus for working with removing material | |
| JP5700604B1 (en) | Processing head moving device | |
| CN101354061A (en) | Connection of two bodies which can be rotated around a common rotation axis | |
| CN109129261A (en) | A kind of clamp for machining | |
| CN108422357A (en) | A kind of fixture of the adjustable protection workpiece machined surface of clamping force | |
| US6910693B2 (en) | Draw down chuck | |
| CN105397584B (en) | A kind of inner bore machining device | |
| CN208323170U (en) | A kind of fixture of the adjustable protection workpiece machined surface of clamping force | |
| US20180021901A1 (en) | Positioning of a spindle with micrometric forwarding control and tilting of its rotation axis | |
| CN106311882A (en) | Steel plate die fixing and clamping device | |
| CN100381711C (en) | Apparatus of exactly centring for rotation shaft | |
| CN101920474A (en) | The work piece holder that is used for surface grinding machine | |
| CN105081802B (en) | A kind of fixture and production application process for processing the word oil groove of oscillating bearing Internal Spherical Surface 8 | |
| CN103084976B (en) | " V " shape supporting tool fixture | |
| CN109648652B (en) | Milling tool for processing wood, wood material, synthetic material or light metal | |
| CN210879219U (en) | Grinding machine is with preventing spheroid location frock with adjustable crushing wound | |
| CN204913313U (en) | Anchor clamps of 8 word oil grooves on sphere in processing joint bearing | |
| CN208759032U (en) | Flange clamp | |
| JP6136199B2 (en) | Spherical end grinding machine for roller workpieces | |
| CN108747495A (en) | Flange clamp | |
| CN109333413A (en) | A kind of fixture | |
| JP7432082B1 (en) | Grinding machine work support device | |
| KR20110015927A (en) | Milling cutter |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |
|
| WW01 | Invention patent application withdrawn after publication |