CN209110597U - A kind of high-precision stationary fixture - Google Patents
A kind of high-precision stationary fixture Download PDFInfo
- Publication number
- CN209110597U CN209110597U CN201821680136.1U CN201821680136U CN209110597U CN 209110597 U CN209110597 U CN 209110597U CN 201821680136 U CN201821680136 U CN 201821680136U CN 209110597 U CN209110597 U CN 209110597U
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- China
- Prior art keywords
- grip block
- rack gear
- bottom board
- dynamic
- clamp bottom
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Abstract
The utility model proposes a kind of high-precision stationary fixtures, including clamp bottom board, the top surface of clamp bottom board is equipped with the support plate extended along its width direction, the side of support plate, which is fixed with to be linked together with it, determines grip block, matched dynamic grip block is equipped in the clamp bottom board for determining grip block relative position, dynamic grip block and clamp bottom board are along short transverse setting gap, determine to be formed with installation gap between grip block and dynamic grip block, in being further fixed on retaining mechanism on the clamp bottom board of dynamic grip block thickness extending direction；Retaining mechanism includes: sprocket, driven rack gear, active rack gear, guide plate and locking member.The utility model by pulling active rack gear manually, and dynamic grip block is with driven rack gear mobile, fixed locking member of towards clamp holding Block direction, dynamic grip block and quiet grip block lock working shaft-like part, compared with conventional brace, there is positioning accuracy height, the big advantage of clamping force.
Description
Technical field
The utility model belongs to tooling and fixture technical field, specially a kind of high-precision stationary fixture.
Background technique
Cutting data is larger when Milling Process and is interrupted cut, and general cutting force can be bigger, is also easy to produce impact and vibration
It is dynamic, therefore, when designing frock clamp, it is desirable that fixture positioning accuracy is high, and clamping force is sufficiently large, while clamp system when hand-operated clamping
There is good self-locking property, each constituent element answers strength and stiffness with higher on fixture.
Utility model content
The purpose of this utility model is to provide a kind of high-precision stationary fixture, positioning accuracy, clamping force is big.To realize
Above-mentioned purpose, the technology employed by the present utility model is
A kind of high-precision stationary fixture, including clamp bottom board, the top surface of the clamp bottom board is equipped with prolongs along its width direction
The support plate stretched, the side of the support plate, which is fixed with to be linked together with it, determines grip block, in the folder for determining grip block relative position
Have bottom plate and is equipped with matched dynamic grip block, the dynamic grip block and clamp bottom board along short transverse setting gap, institute
It states and determines to be formed with installation gap between grip block and dynamic grip block, in also solid on the clamp bottom board of dynamic grip block thickness extending direction
Surely there is retaining mechanism；The retaining mechanism includes: sprocket, driven rack gear, active rack gear, guide plate and locking member；
Wherein, the sprocket is positioned close to the side of the dynamic grip block by bearing and hangs down from the clamp bottom board
It is straight to extend；
The driven rack gear is engaged with the upper section of the sprocket；One end of the driven rack gear connects the dynamic clamping
Block；
The active rack gear and driven rack gear are symmetrical arranged about the sprocket and engage with the lower section of the sprocket；
The active rack gear is fixed on the clamp bottom board；The active rack gear backwards to the sprocket one side along the guiding
Plate is mobile；The guide plate is arranged on the clamp bottom board；
The both ends of the locking member are respectively articulated with the active rack gear and guide plate；The locking member is horizontally disposed and described
The upper side of the guide plate is arranged in locking member.
Preferably, the locking member includes a hinged bar assembly and locking post；The hinged bar assembly includes 2 hinged
Connecting rod；When needing to lock, the locking post is embedded in the hinge hole of two connecting rods.
Preferably, gap is set between the active rack gear and the opposite end face of dynamic grip block.
Preferably, the driven rack gear is located at the middle position of the dynamic grip block in the width direction.
Preferably, the sprocket is stretched out in the free end of the driven rack gear.
Preferably, the sprocket is straight-tooth gear column.
Compared with prior art, the utility model has the following beneficial effects: determining to be formed with peace between grip block and dynamic grip block
Gap is filled, shaft forgings to be processed are put into installation gap, by pulling active rack gear manually, moves grip block with driven rack gear
Block direction movement is held towards clamp, fixed locking member, dynamic grip block and quiet grip block lock working shaft-like part, with conventional brace phase
Than having positioning accuracy height, the big advantage of clamping force.
Detailed description of the invention
Fig. 1 is the top view of the high-precision stationary fixture of an embodiment of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of locking member in Fig. 1.
Wherein, 1- clamp bottom board, 2- support plate, 3- determine grip block, and 4- moves grip block, 5- retaining mechanism, 51- sprocket,
The driven rack gear of 52-, 53- active rack gear, 54- guide plate, 55- locking member, 551- hinge hole.
Specific embodiment
It is described in more detail below in conjunction with high-precision stationary fixture of the schematic diagram to the utility model, wherein indicating
The preferred embodiment of the utility model, it should be appreciated that those skilled in the art can modify the utility model described herein,
And still realize the advantageous effects of the utility model.Therefore, following description should be understood as those skilled in the art's
It is widely known, and it is not intended as limitations of the present invention.
As depicted in figs. 1 and 2, the top surface of a kind of high-precision stationary fixture, including clamp bottom board 1, clamp bottom board 1 is equipped with edge
The support plate 2 that its width direction extends, the side of support plate 2, which is fixed with to be linked together with it, determines grip block 3, in determining grip block 3
The clamp bottom board 1 of relative position is equipped with matched dynamic grip block 4, moves grip block 4 with clamp bottom board 1 along short transverse
Gap is set, determines to be formed with installation gap between grip block 3 and dynamic grip block 4, in the fixture of dynamic 4 thickness extending direction of grip block
Retaining mechanism 5 is further fixed on bottom plate 1；Retaining mechanism 5 includes: sprocket 51, driven rack gear 52, active rack gear 53, guide plate
54 and locking member 55；Wherein, sprocket 51 is positioned close to the side of dynamic grip block 4 and extends vertically from clamp bottom board 1；It is driven
Rack gear 52 is engaged with the upper section of sprocket 51；The fixed dynamic grip block 4 in one end of driven rack gear 52；Active rack gear 53 and driven rack gear
52 are symmetrical arranged about sprocket 51 and engage with the lower section of sprocket 51；Active rack gear 53 is fixed on clamp bottom board 1；Actively
Rack gear 53 backwards to sprocket 51 side connecting guide plate 54 and moved along guide plate 54；Guide plate 54 is arranged in clamp bottom board 1
On；The both ends of locking member 55 are respectively articulated with active rack gear 53 and guide plate 54；Locking member 55 is horizontally disposed and locking member 55 is arranged
In the upper side of guide plate 54.
As shown in figure 3, locking member 55 includes a hinged bar assembly and locking post；Hinged bar assembly includes 2 hinged companies
Extension bar；When needing to lock, locking post is embedded in the hinge hole 551 of two connecting rods.
In the present embodiment, gap is set between active rack gear 53 and the opposite end face of dynamic grip block 4.
In the present embodiment, driven rack gear 52 is located at the dynamic middle position of grip block 4 in the width direction.
In the present embodiment, sprocket 51 is stretched out in the free end of driven rack gear 52.
In the present embodiment, sprocket 51 is straight-tooth gear column 51.
The working principle of the utility model are as follows: determine to be formed with installation gap between grip block 3 and dynamic grip block 4, in installation
It has been separately formed " V " shape slot on the ontology for determining grip block 3, dynamic grip block 4 of gap two sides, shaft forgings to be processed are put into two
In cavity between " V " shape slot, the pulling force of shaft member is deviated from by applying, pulls active rack gear 53, active rack gear 53 is along guiding
Plate 54 is mobile backwards to shaft member, and sprocket 51 rotates in an anti-clockwise direction, and driven rack gear 52 is mobile towards shaft member direction, i.e., dynamic grip block
4 close to grip block 3 is determined, and is moved grip block 4 and is determined grip block 3 for after the clamping of working shaft-like part, locking post is embedded in two connecting rods
In the hinge hole 51 of hinged place, locking member 5 can not be moved, and lead to fixed locking member 5, and entire retaining mechanism 5 is fixed, that is, be realized dynamic
Grip block 4 and determines grip block 3 and lock shaft member.The positioning accuracy of the rack pinion structure of the utility model it is high, it can be achieved that
Fixed and locking, clamping force are big.
To sum up, in high-precision stationary fixture provided by the embodiment of the utility model, the utility model positioning accuracy is high, can
Realize that fixed and locking, clamping force are big.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (6)
1. a kind of high-precision stationary fixture, which is characterized in that including clamp bottom board, the top surface of the clamp bottom board is equipped with along its width
The support plate that direction extends is spent, the side of the support plate, which is fixed with to be linked together with it, determines grip block, opposite in determining grip block
The clamp bottom board of position is equipped with matched dynamic grip block, the dynamic grip block and clamp bottom board and is arranged along short transverse
Gap, it is described to determine to be formed with installation gap between grip block and dynamic grip block, in the fixture bottom of dynamic grip block thickness extending direction
Retaining mechanism is further fixed on plate；The retaining mechanism includes: sprocket, driven rack gear, active rack gear, guide plate and locking
Part；
Wherein, the sprocket is positioned close to the side of the dynamic grip block by bearing and vertically prolongs from the clamp bottom board
It stretches；
The driven rack gear is engaged with the upper section of the sprocket；One end of the driven rack gear connects the dynamic grip block；
The active rack gear and driven rack gear are symmetrical arranged about the sprocket and engage with the lower section of the sprocket；It is described
Active rack gear is fixed on the clamp bottom board；The active rack gear is moved backwards to the one side of the sprocket along the guide plate
It is dynamic；The guide plate is arranged on the clamp bottom board；
The both ends of the locking member are respectively articulated with the active rack gear and guide plate；The locking member is horizontally disposed with and the locking
The upper side of the guide plate is arranged in part.
2. high-precision stationary fixture according to claim 1, which is characterized in that the locking member includes a hinged bar assembly
And locking post；The hinged bar assembly includes 2 hinged connecting rods；When needing to lock, the locking post is embedded in two companies
In the hinge hole of extension bar.
3. high-precision stationary fixture according to claim 1, which is characterized in that the active rack gear and dynamic grip block are opposite
End face between gap is set.
4. high-precision stationary fixture according to claim 1, which is characterized in that the driven rack gear is located at the dynamic clamping
The middle position of block in the width direction.
5. high-precision stationary fixture according to claim 1, which is characterized in that institute is stretched out in the free end of the driven rack gear
State sprocket.
6. high-precision stationary fixture according to claim 1, which is characterized in that the sprocket is straight-tooth gear column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680136.1U CN209110597U (en) | 2018-10-17 | 2018-10-17 | A kind of high-precision stationary fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680136.1U CN209110597U (en) | 2018-10-17 | 2018-10-17 | A kind of high-precision stationary fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209110597U true CN209110597U (en) | 2019-07-16 |
Family
ID=67201189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680136.1U Active CN209110597U (en) | 2018-10-17 | 2018-10-17 | A kind of high-precision stationary fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209110597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111357660A (en) * | 2020-04-01 | 2020-07-03 | 西藏新好科技有限公司 | Animal husbandry excrement and sewage transfer system |
-
2018
- 2018-10-17 CN CN201821680136.1U patent/CN209110597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111357660A (en) * | 2020-04-01 | 2020-07-03 | 西藏新好科技有限公司 | Animal husbandry excrement and sewage transfer system |
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