CN206200615U - Centering positioning and locking device - Google Patents
Centering positioning and locking device Download PDFInfo
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- CN206200615U CN206200615U CN201621179640.4U CN201621179640U CN206200615U CN 206200615 U CN206200615 U CN 206200615U CN 201621179640 U CN201621179640 U CN 201621179640U CN 206200615 U CN206200615 U CN 206200615U
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- rocking arm
- connecting rod
- hole
- face
- locking device
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Abstract
The utility model is related to a kind of centering positioning and locking device, including rocker arm bracket, and two rocking arms are hinged with the rocker arm bracket, and the upper end of rocking arm described in two is relative；Also include driving the upper end of rocking arm described in two to tighten up and separate drive device, cover plate is installed on the rocker arm bracket, the cover plate is provided with the through hole passed for the rocking arm, sealing device is provided between the through hole and the rocking arm；Coupling mechanism force is big, and thrust hydraulic cylinder can reach 1 with the multiple of coupling mechanism force:More than 7；And mistake proofing self-locking can be reached, can be prevented effectively from cutting force moment causes workpiece to move more than coupling mechanism force.
Description
Technical field
The utility model is related to a kind of positioning and locking device.
Background technology
The centering retaining mechanism of current blank is mainly swing arm slide block type, the class of pinion and-rack two.Swing arm slide block type compared with
It is common, swing arm slide block type centering retaining mechanism, as shown in figure 4, be included in the sliding block 13 of slip and middle part handing-over in frame 12 existing
Swing arm 14 in frame 12, the lower surface of the sliding block 13 is provided with groove 15, and in groove 15, two put the upper-end part of driving of swing arm 14
The lower end of arm 14 bends in opposite directions, and frame 12 is provided with the driving sliding block 16 of vertical direction motion, drives the left side and the right side of sliding block 16
Side is respectively equipped with draw-in groove 17, and the lower end of two swing arms 14 is goed deep into corresponding draw-in groove 17 respectively, drives sliding block 16 due to hydraulic cylinder band
Move and move up and down, so that the move toward one another of two swing arm 14 or counter motion are driven by draw-in groove 17, so as to drive two sliding blocks 13 to add
Tight or release, the difficult problem of sliding block sealing is primarily present using such structure, and chip falls and holds very much on the gathering sill of sliding block
Easily there is the phenomenon for blocking sliding block, at this moment need manually to wash away chip, had a strong impact on functional reliability.And due to structure limit
System, hydraulic cylinder:Pulling force is no more than 1 with the multiple of centering coupling mechanism force：1.2, if desired for self-locking mistake proofing, the hydraulic pressure of major diameter need to be used
Cylinder.And, swing arm slide block type centering retaining mechanism friction pair is more, and linear contact lay position is more, and abrasion is very fast.
Pinion and-rack centering locking mechanism, sealing relatively preferably, but hydraulic cylinder pulling force and coupling mechanism force multiple 1：
Between 0.3-0.5, self-locking mistake proofing is not accomplished substantially.Further, since rack and pinion engagement is linear contact lay, the mill of locking point position
Damaging can relatively acutely, and accuracy of alignment declines after long-term use.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of coupling mechanism force greatly, and can reach mistake proofing self-locking,
Cutting force moment can be prevented effectively from more than the centering positioning and locking device that coupling mechanism force causes workpiece to move.
In order to solve the above technical problems, the technical solution of the utility model is：Centering positioning and locking device, including rocking arm
Seat, is hinged with two rocking arms on the rocker arm bracket, the upper end of rocking arm described in two is relative；Also include driving the upper end of rocking arm described in two to receive
Tight and separate drive device, is provided with cover plate on the rocker arm bracket, the cover plate is provided with the through hole passed for the rocking arm,
Sealing device is provided between the through hole and the rocking arm.
Used as preferred technical scheme, the sealing device includes being located at the arcwall face at the through hole lower edge, described
Rocking arm is provided with the sphere coordinated with the arcwall face, and the arcwall face is adjacent in the sphere, and the through hole is in the cover plate
Opening at upper surface is horn opening.
Used as preferred technical scheme, the arcwall face is provided with annular groove, and sealing ring is provided with the annular groove.
Used as preferred technical scheme, the drive device includes being hinged on the connecting rod of the rocking arm lower end, the driving
Device also includes hydraulic cylinder, and the piston rod of the hydraulic cylinder is hinged with the connecting rod.
Used as preferred technical scheme, the through hole and the rocking arm gap coordinate, and the sealing device includes being located at institute
State the elastic seal ring between through hole and the rocking arm.
As preferred technical scheme, mounting seat is also included, the mounting seat is provided with mounting hole, and the rocking arm is located at
In the mounting hole, bolt, the cover plate and the mounting seat are provided between the lower surface of the rocker arm bracket and the mounting seat
Upper surface between also be provided with bolt.
Used as preferred technical scheme, the upper end of the rocking arm is provided with latch segment.
As preferred technical scheme, the friction between jointed shaft and rocker arm bracket between the rocker arm bracket and the rocking arm
Pair is the face of cylinder, and the friction pair between jointed shaft and rocking arm between the rocker arm bracket and the rocking arm is the face of cylinder, the company
The friction pair between jointed shaft and connecting rod between bar and the rocking arm is the face of cylinder, the hinge between the connecting rod and the rocking arm
Friction pair between spindle and rocking arm is the face of cylinder, the jointed shaft between the piston rod of the hydraulic cylinder and the connecting rod with it is described
Friction pair between connecting rod is the face of cylinder, jointed shaft and the piston rod between the piston rod of the hydraulic cylinder and the connecting rod
Between friction pair be the face of cylinder.
By adopting the above-described technical solution, centering positioning and locking device, including rocker arm bracket, it is hinged with the rocker arm bracket
Two rocking arms, the upper end of rocking arm described in two is relative；Also include driving the upper end of rocking arm described in two to tighten up and separate drive device, institute
State and cover plate be installed on rocker arm bracket, the cover plate is provided with the through hole passed for the rocking arm, the through hole and the rocking arm it
Between be provided with sealing device；Coupling mechanism force is big, and thrust hydraulic cylinder can reach 1 with the multiple of coupling mechanism force:More than 7；And can reach anti-
Wrong self-locking, can be prevented effectively from cutting force moment causes workpiece to move more than coupling mechanism force.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the stereogram of the utility model embodiment；
Fig. 3 is the structural representation of arcwall face in the utility model embodiment；
Fig. 4 is the structural representation of swing arm slide block type centering retaining mechanism in background technology.
In figure：1- rocker arm brackets；2- rocking arms；3- cover plates；4- through holes；5- arcwall faces；6- sealing rings；7- connecting rods；8- piston rods；
9- mounting seats；10- bolts；11- latch segments.
Specific embodiment
As shown in Figure 1 to Figure 3, centering positioning and locking device, including rocker arm bracket 1, are hinged with two rocking arms on the rocker arm bracket 1
2, the upper end of rocking arm 2 is relative described in two；Also include driving the upper end of rocking arm 2 described in two to tighten up and separate drive device, it is described
Cover plate 3 is installed, the cover plate 3 is provided with the through hole 4 passed for the rocking arm 2, the through hole and the rocking arm on rocker arm bracket 1
Between be provided with sealing device.
The sealing device includes being located at arcwall face 5 at the lower edge of the through hole 4, the rocking arm 2 be provided with it is described
The sphere that arcwall face 5 coordinates, the arcwall face 5 is adjacent in the sphere, the opening at the upper surface of the cover plate 3 of the through hole 4
Mouth is horn opening.
The arcwall face 5 is provided with annular groove, and sealing ring 6 is provided with the annular groove.Arcwall face 5 and mating spherical surfaces, then
Fitted seal circle, can effectively reduce in-house cutting fluid and penetrate into, it is to avoid chip is mixed into blocks moving component, process is simple, dimension
Shield is convenient.
The drive device includes being hinged on the connecting rod 7 of the lower end of the rocking arm 2, and the drive device also includes hydraulic cylinder,
The piston rod 8 of the hydraulic cylinder is hinged with the connecting rod 7.
The through hole 4 and the gap of the rocking arm 2 coordinate, and the sealing device includes being located at the through hole 4 and the rocking arm 2
Between elastic seal ring.
Mounting seat 9 is also included, the mounting seat 9 is provided with mounting hole, and the rocking arm is located in the mounting hole, described
Bolt 10 is provided between the lower surface of rocker arm bracket 1 and the mounting seat 9, between the cover plate 3 and the upper surface of the mounting seat 9
It also is provided with bolt.
The upper end of the rocking arm 2 is provided with latch segment 11.
The friction pair between jointed shaft and rocker arm bracket between the rocker arm bracket and the rocking arm is the face of cylinder, the rocking arm
The friction pair between jointed shaft and rocking arm between seat and the rocking arm is the face of cylinder, the hinge between the connecting rod and the rocking arm
Friction pair between spindle and connecting rod is the face of cylinder, the friction between jointed shaft and rocking arm between the connecting rod and the rocking arm
Pair is the face of cylinder, and the friction pair between jointed shaft and the connecting rod between the piston rod of the hydraulic cylinder and the connecting rod is circle
Cylinder, the friction pair between jointed shaft and the piston rod between the piston rod of the hydraulic cylinder and the connecting rod is cylinder
Face.
Coupling mechanism force is big, and thrust hydraulic cylinder can reach 1 with the multiple of coupling mechanism force:More than 7；And can reach mistake proofing self-locking,
Cutting force moment can be prevented effectively from causes workpiece to move more than coupling mechanism force.Friction pair is Cylindrical Surfaces Contact, friction pair filling profit
Oil film can be formed after consistent lubricant, anti-wear performance is greatly improved, long-term accuracy and reliability are greatly improved.
The technical solution of the utility model has the following advantages that：
1st, coupling mechanism force is bigger than swing arm sliding block type structure 7-10 times in the case of same model hydraulic cylinder, and having to self-locking mistake proofing needs
The occasion wanted is with the obvious advantage.
2nd, friction pair is wear-resistant, under normal circumstances the life-span (locking) more than 1,000,000 times.
3rd, ball face sealing design, sealing property is greatly improved, and safeguards simple, and consumables cost is low.
4th, without card chip hidden danger, functional reliability is high.Simple structure, save space, are easy to fixture overall construction design.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (8)
1. centering positioning and locking device, it is characterised in that：Including rocker arm bracket, two rocking arms are hinged with the rocker arm bracket, described in two
The upper end of rocking arm is relative；Also include driving the upper end of rocking arm described in two to tighten up and separate drive device, pacify on the rocker arm bracket
Equipped with cover plate, the cover plate is provided with the through hole passed for the rocking arm, and sealing dress is provided between the through hole and the rocking arm
Put.
2. centering positioning and locking device as claimed in claim 1, it is characterised in that：The sealing device includes being located at described leading to
Arcwall face at the lower edge of hole, the rocking arm is provided with the sphere coordinated with the arcwall face, and the arcwall face is adjacent to described
Sphere, opening of the through hole at the cover plate upper surface is horn opening.
3. centering positioning and locking device as claimed in claim 2, it is characterised in that：The arcwall face is provided with annular groove, institute
State and sealing ring is provided with annular groove.
4. centering positioning and locking device as claimed in claim 1, it is characterised in that：The drive device is described including being hinged on
The connecting rod of rocking arm lower end, the drive device also includes hydraulic cylinder, and the piston rod of the hydraulic cylinder is hinged with the connecting rod.
5. centering positioning and locking device as claimed in claim 1, it is characterised in that：The through hole and the rocking arm gap are matched somebody with somebody
Close, the sealing device includes the elastic seal ring being located between the through hole and the rocking arm.
6. centering positioning and locking device as claimed in claim 1, it is characterised in that：Also include mounting seat, the mounting seat
Mounting hole is provided with, the rocking arm is located in the mounting hole, is provided between the lower surface of the rocker arm bracket and the mounting seat
Bolt also is provided between the upper surface of bolt, the cover plate and the mounting seat.
7. the centering positioning and locking device as described in claim 1 to 6 any claim, it is characterised in that：The rocking arm
Upper end is provided with latch segment.
8. centering positioning and locking device as claimed in claim 4, it is characterised in that：Between the rocker arm bracket and the rocking arm
Friction pair between jointed shaft and rocker arm bracket is the face of cylinder, between the jointed shaft and rocking arm between the rocker arm bracket and the rocking arm
Friction pair be the face of cylinder, the friction pair between jointed shaft and connecting rod between the connecting rod and the rocking arm is the face of cylinder, institute
It is the face of cylinder, the piston rod of the hydraulic cylinder and institute to state the friction pair between the jointed shaft and rocking arm between connecting rod and the rocking arm
It is the face of cylinder, the piston rod of the hydraulic cylinder and the connecting rod to state the friction pair between the jointed shaft between connecting rod and the connecting rod
Between jointed shaft and the piston rod between friction pair be the face of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179640.4U CN206200615U (en) | 2016-10-27 | 2016-10-27 | Centering positioning and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179640.4U CN206200615U (en) | 2016-10-27 | 2016-10-27 | Centering positioning and locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206200615U true CN206200615U (en) | 2017-05-31 |
Family
ID=58757767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621179640.4U Active CN206200615U (en) | 2016-10-27 | 2016-10-27 | Centering positioning and locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206200615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052398A (en) * | 2017-06-05 | 2017-08-18 | 泉州鲤城区铭宏机械有限公司 | Vertical sleeping eight axis processing machines |
| CN113601230A (en) * | 2021-07-27 | 2021-11-05 | 马拉兹(江苏)电梯导轨有限公司 | Automatic centering mechanism for T-shaped guide rail machining and control method thereof |
-
2016
- 2016-10-27 CN CN201621179640.4U patent/CN206200615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052398A (en) * | 2017-06-05 | 2017-08-18 | 泉州鲤城区铭宏机械有限公司 | Vertical sleeping eight axis processing machines |
| CN113601230A (en) * | 2021-07-27 | 2021-11-05 | 马拉兹(江苏)电梯导轨有限公司 | Automatic centering mechanism for T-shaped guide rail machining and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201715 Shanghai City Liantang Town Qingpu District Liantang Road No. 577 building third, fourth chapter Patentee after: Shanghai Yongmao Thai Beijing Great Automotive Components Company Limited Address before: 201715 Shanghai City Liantang Town Qingpu District Liantang Road No. 577 building third, fourth chapter Patentee before: SHANGHAI WANTAI AUTO PARTS CO., LTD. |