CN207564171U - A kind of hold-down mechanism of work pieces process - Google Patents
A kind of hold-down mechanism of work pieces process Download PDFInfo
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- CN207564171U CN207564171U CN201721733431.4U CN201721733431U CN207564171U CN 207564171 U CN207564171 U CN 207564171U CN 201721733431 U CN201721733431 U CN 201721733431U CN 207564171 U CN207564171 U CN 207564171U
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- hinged
- linkage board
- pressing plate
- cylinder
- linkage
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Abstract
The utility model discloses a kind of hold-down mechanisms of work pieces process, include cylinder, cylinder connecting rod is connected on the cylinder, the middle part upper position of cylinder connecting rod is provided with set bar, linkage block and the first linkage board are hinged on the set bar, linkage block and the lower end of the second linkage board are hinged, the upper end of second linkage board and the tail portion of pressing plate are hinged, it is hinged in the middle part of first linkage board and third linkage board, mounting post on the lower part and pedestal of third linkage board is hinged, it is hinged in the middle part of the top of third linkage board and the pressing plate, the head of pressing plate is provided with seal face, the tail portion bottom surface of pressing plate is provided with supporting surface, during workpiece pressing, the upper end of cylinder connecting rod is mutually supported with supporting surface.The utility model has the advantage of：It is rational in infrastructure, the fixation of workpiece can be realized from inside workpiece, meet when processing will not be to part during entirely big facing cut is cut etc. and cutter interference while clamping to product orientation.
Description
Technical field
The utility model is related to work pieces process technical field, a kind of especially hold-down mechanism of work pieces process.
Background technology
Workpiece on lathe when processing, to ensure machining accuracy and improving productivity, it is necessary to make workpiece opposite on lathe
Cutter occupies correct position, this process is known as positioning.By Workpiece clamping, it is exactly that active force is applied to workpiece, is allowed to
Workpiece is reliably clamped on position through setting, this process is known as clamping.From the overall process for navigating to clamping, referred to as fill
Folder；The major function of machine tool fixture is exactly to complete the clamping work of workpiece.
Our common fixtures are typically to carry out compression processing from the top of workpiece and side, and such fixture is more general
Time, structure is relatively simple, makes opposite be relatively easy to, but because of customer demand difference, the structure of many workpiece is different, machining position
Also difference is put, thus the mode compressed is also different, it is therefore desirable to different fixtures is designed to cope with different workpieces processings.
Some workpieces processings add man-hour requirement to carry out the milling of large area, fraising to surface, during this kind of work pieces process, lead to
Cutter can be caused to interfere when crossing top and clamping sides, have the potential risk of personal security risk and equipment property loss；
And existing fixture difficult can meet the clamping of this kind of product, this just brings inconvenience to the processing of workpiece, some workpiece need into
Row multiple clamping could complete the processing of entire product surface, affect processing efficiency.
Invention content
Technical problem to be solved in the utility model is the present situation for the prior art, provides rational in infrastructure, and fixation can
It leans on, can realize a kind of hold-down mechanism of work pieces process of internal compression.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of hold-down mechanism of work pieces process, includes cylinder, and cylinder connecting rod, cylinder connecting rod are connected on the cylinder
Middle part upper position be provided with set bar, linkage block and the first linkage board, linkage block and second are hinged on the set bar
The lower end of movable plate is hinged, and the upper end of the second linkage board and the tail portion of pressing plate are hinged, the first linkage board and third linkage board
Middle part is hinged, and the mounting post on the lower part and pedestal of third linkage board is hinged, the top of third linkage board and the pressing plate
Middle part be hinged, the head of pressing plate is provided with seal face, and the tail portion bottom surface of pressing plate is provided with supporting surface, during workpiece pressing, gas
The upper end of cylinder connecting rod is mutually supported with supporting surface.
The technical measures of optimization further include：
Above-mentioned cylinder is set to the lower section of the pedestal, and cylinder connecting rod passes through the pedestal.
It is provided with and supports between above-mentioned cylinder and the bottom surface of the pedestal.
It cuts to form inclined-plane in the head upper end of above-mentioned pressing plate.
The both sides of above-mentioned set bar are fixed by clamp spring.
A kind of hold-down mechanism of work pieces process of the utility model is driven, and lead to by the cylinder connecting rod connected on cylinder
Cross the hinge arrangement that linkage block, the first linkage board, the second linkage board, pressing plate, third linkage board and mounting post are formed, regular worker
During part, cylinder connecting rod is above pushed away and is offseted support with the supporting surface of pressing plate, and the seal face for giving pressing plate gives pressure and workpiece pressing,
Rational in infrastructure, this hold-down mechanism can realize the fixation of workpiece from inside workpiece, meet being clamped to product orientation when processing
While will not be to part during entirely big facing cut is cut etc. and cutter interference.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the utility model locking state structure diagram.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
It is the structure diagram of the utility model as shown in Figure 1 to Figure 2,
Reference numeral therein is：Cylinder 1, cylinder connecting rod 2, set bar 21, clamp spring 22, linkage block 3, the first linkage board
4th, the second linkage board 5, pressing plate 6, seal face 6a, supporting surface 6b, inclined-plane 6c, third linkage board 7, pedestal 8, mounting post 81, support
Firmly 82, workpiece 9.
As shown in Figure 1 to Figure 2,
A kind of hold-down mechanism of work pieces process, includes cylinder 1, and cylinder connecting rod 2 is connected on the cylinder 1, and cylinder connects
The middle part upper position of extension bar 2 is provided with set bar 21, and 3 and first linkage board 4 of linkage block is hinged on the set bar 21, linkage
Block 3 and the lower end of the second linkage board 5 are hinged, and the upper end and the tail portion of pressing plate 6 of the second linkage board 5 are hinged, the first linkage board 4
It is hinged with the middle part of third linkage board 7, the lower part of third linkage board 7 is hinged with the mounting post 81 on pedestal 8, third linkage
The top of plate 7 and the middle part of the pressing plate 6 are hinged, and the head of pressing plate 6 is provided with seal face 6a, and the tail portion bottom surface of pressing plate 6 is set
It is equipped with supporting surface 6b, during workpiece pressing 9, upper end and the supporting surface 6b phases of cylinder connecting rod 2 support.
In embodiment, cylinder 1 is set to the lower section of the pedestal 8, and cylinder connecting rod 2 passes through the pedestal 8.
In embodiment, it is provided between the bottom surface of cylinder 1 and the pedestal 8 and supports 82；Setting, which supports 82, to be made
The assembling of cylinder 1 is more stablized.
In embodiment, the head upper end of pressing plate 6 cuts to form inclined-plane 6c.The setting of inclined-plane 6c reduces the head of pressing plate 6
Height, pressing plate 6 is avoided to collide during entering, pressing workpiece 9 with workpiece 9.
In embodiment, the both sides of set bar 21 are fixed by clamp spring 22；It is fixed using clamp spring, it is simple in structure, it is fixed reliable,
It is convenient for disassembly and assembly.
All parts：Linkage block 3, the first linkage board 4, the second linkage board 5, pressing plate 6, third linkage board 7 and pedestal 8,
They are hingedly both provided with set bar 21 and clamp spring 22 at cooperation.
Operation principle：
This hold-down mechanism is driven by cylinder 1, is driven by the cylinder connecting rod 2 connected on cylinder 1, by linkage block 3, first
Movable plate 4, the second linkage board 5, pressing plate 6, third linkage board 7 and mounting post 81 form hinge arrangement, can realize out of workpiece
Portion's reality is fixed to workpiece 9.
First linkage board 4, linkage block 3, the second linkage board 5, pressing plate 6, third linkage board 7 are in turn connected to form pentagonal
Bascule, during non-impaction state, cylinder connecting rod 2 is separated with pressing plate 6, and the activity for making entire mechanism is more flexible.Cylinder 1
Stroke have 1/5th redundancy, i.e. the effective travel of cylinder 1 is less than its theoretical stroke.
During workpiece pressing 9, driven by cylinder 1 and cylinder connecting rod 2 is driven above to push away, in the first linkage board 4, linkage block 3, second
Under the linkage effect of linkage board 5 and third linkage board 7, pressing plate 6 is made to be moved to workpiece 9, until the seal face 6a on 6 head of pressing plate
Workpiece pressing 9, at this moment, the upper end of cylinder connecting rod 2 are supported with the supporting surface 6b phases of 6 tail portion of pressing plate, the first linkage board 4 and linkage
Block 3 be horizontal and point-blank, third linkage board 7 and in vertical state, the upper end of third linkage board 7 forms branch
Point, the tail portion that the lifting force of cylinder 1 acts on pressing plate 6 upwarp tail portion, and the head of pressing plate 6 pushes and fixes work so as to press
Part 9.When unclamping workpiece 9, cylinder connecting rod 2 bounces back under the drive of cylinder 1, the upper end of cylinder connecting rod 2 and the branch of 6 tail portion of pressing plate
Support face 6b is separated, and pressing plate 6 is backed out from workpiece 9 unclamps workpiece 9.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (5)
1. a kind of hold-down mechanism of work pieces process includes cylinder (1), cylinder connecting rod (2) is connected on the cylinder (1),
It is characterized in：The middle part upper position of the cylinder connecting rod (2) is provided with set bar (21), is hinged on the set bar (21)
Linkage block (3) and the first linkage board (4), the linkage block (3) and the lower end of the second linkage board (5) are hinged, and described
The upper end of two linkage boards (5) and the tail portion of pressing plate (6) are hinged, in first linkage board (4) and third linkage board (7)
Portion is hinged, and the lower part of the third linkage board (7) is hinged with the mounting post (81) on pedestal (8), third connection
It is hinged in the middle part of the top of movable plate (7) and the pressing plate (6), the head of the pressing plate (6) is provided with seal face (6a), institute
The tail portion bottom surface of pressing plate (6) stated is provided with supporting surface (6b), during workpiece pressing (9), the upper end of the cylinder connecting rod (2)
It is mutually supported with supporting surface (6b).
2. a kind of hold-down mechanism of work pieces process according to claim 1, it is characterized in that：The cylinder (1) is set to
The lower section of the pedestal (8), the cylinder connecting rod (2) is across the pedestal (8).
3. a kind of hold-down mechanism of work pieces process according to claim 2, it is characterized in that：The cylinder (1) with it is described
It is provided with and supports (82) between the bottom surface of pedestal (8).
4. a kind of hold-down mechanism of work pieces process according to claim 3, it is characterized in that：The head of the pressing plate (6)
It cuts to form inclined-plane (6c) in upper end.
5. a kind of hold-down mechanism of work pieces process according to claim 4, it is characterized in that：The two of the set bar (21)
Side is fixed by clamp spring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733431.4U CN207564171U (en) | 2017-12-13 | 2017-12-13 | A kind of hold-down mechanism of work pieces process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721733431.4U CN207564171U (en) | 2017-12-13 | 2017-12-13 | A kind of hold-down mechanism of work pieces process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207564171U true CN207564171U (en) | 2018-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721733431.4U Active CN207564171U (en) | 2017-12-13 | 2017-12-13 | A kind of hold-down mechanism of work pieces process |
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| Country | Link |
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| CN (1) | CN207564171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571092A (en) * | 2018-12-30 | 2019-04-05 | 贵阳华恒机械制造有限公司 | A kind of universal cylinder driving part clamping device |
| CN110181308A (en) * | 2019-04-23 | 2019-08-30 | 纽维科精密制造江苏有限公司 | CNC more than one piece Automatic-clamping tooling |
-
2017
- 2017-12-13 CN CN201721733431.4U patent/CN207564171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571092A (en) * | 2018-12-30 | 2019-04-05 | 贵阳华恒机械制造有限公司 | A kind of universal cylinder driving part clamping device |
| CN110181308A (en) * | 2019-04-23 | 2019-08-30 | 纽维科精密制造江苏有限公司 | CNC more than one piece Automatic-clamping tooling |
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