CN105798812B - A kind of hold-down mechanism - Google Patents
A kind of hold-down mechanism Download PDFInfo
- Publication number
- CN105798812B CN105798812B CN201610369534.0A CN201610369534A CN105798812B CN 105798812 B CN105798812 B CN 105798812B CN 201610369534 A CN201610369534 A CN 201610369534A CN 105798812 B CN105798812 B CN 105798812B
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- China
- Prior art keywords
- hold
- power
- rotating mass
- bearing
- down mechanism
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The present invention relates to hold-down mechanism field, a kind of hold-down mechanism, including bearing are disclosed, bearing and the rotating mass that can be rotated relative to bearing are sheathed on, the power end and depression bar of rotating mass outer wall are fixedly arranged on, and are rotationally connected with power set of the power end away from rotating mass one end；The length of the length less than depression bar of the power end and the angled laying of depression bar and the power end, the output end of the power set slidably connects joint, the other end of the joint is rotationally connected with power end, and the spring of two ends difference connecting power device output end and power end is provided with the joint.The present invention rotates rotating mass by the linear motion of cylinder, and the length of depression bar is less than the length of power end, using lever principle, apply a power in power end and will produce a less thrust away from one end of rotating mass in depression bar and act on workpiece, simple structure, it is easy to operation, and disclosure satisfy that requirement of the workpiece pressing to the size of power.
Description
Technical field
Electron trade, automobile industry etc. are applied to the present invention relates to hold-down mechanism correlative technology field, more particularly to one kind
Hold-down mechanism.
Background technology
In the process of some precision workpieces, in order to protect being not damaged by for workpiece, hold-down mechanism typically only needs to provide
The thrust workpiece pressing of very little.But the complex structure of existing hold-down mechanism, takes up room larger, the larger easy damaged work of thrust
Part, and it is more long to perform actuation time.
The content of the invention
It is an object of the invention to provide a kind of hold-down mechanism, big with the thrust for solving existing hold-down mechanism, structure is multiple
Miscellaneous, the time-consuming and big problem that takes up room.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of hold-down mechanism, including bearing, are sheathed on bearing and the rotating mass that can be rotated relative to bearing, are fixedly arranged on rotation
Turn the power end and depression bar of body outer wall, and be rotationally connected with power set of the power end away from rotating mass one end；It is described
The length of the length less than depression bar of power end and the angled laying of depression bar and the power end, the output end of the power set is slided
Dynamic to be connected with joint, the other end of the joint is rotationally connected with power end, and be provided with two ends in the joint connects power respectively
The spring of device output end and power end.
Further, the power set are cylinder, and the external part of the cylinder is stretched into joint and can slided in joint
It is dynamic；The cylinder is rotatably connected to fixed seat away from one end of its external part.
Further, the joint is provided with shoulder hole, and the external part of the cylinder is placed in the shoulder hole；It is described to connect
Head is provided with the connecting hole connected with the path section of shoulder hole, and the central axis of the shoulder hole hangs down with the central axis of connecting hole
Directly, and the connecting hole centerline axis parallel in the central axis of rotating mass.
Further, the power end is installed with connector, the other end of the connector away from one end of rotating mass
Through connecting hole.
Further, the connecting hole is waist-shaped hole.
Further, the external part of the cylinder is installed with the limited post being adapted with the big footpath section of shoulder hole.
Further, in the shoulder hole that the spring is placed between limited post and connector, and the cylinder is in completely
When stretching out state, the spring is compressed and its two ends presses on connector outer wall and limited post end face respectively.
Further, the bearing is for multidiameter structure and its miner diameter end is installed with end cap, and the rotating mass are sheathed on
Outside bearing between the big footpath section of end cap and bearing.
Further, it is arranged with the bearing being adapted with rotating mass outside the bearing.
Further, the depression bar is provided with hold-down column, the central axis side of the hold-down column away from one end of rotating mass
To parallel with the central axial direction of rotating mass, and it points to the side workpiece pressing of rotating mass direction of rotation.
Beneficial effects of the present invention：Rotate rotating mass by the linear motion of cylinder, and depression bar length less than dynamic
The length at power end, using lever principle, applies a power and will produce one away from one end of rotating mass in depression bar in power end
Individual less thrust simultaneously acts on workpiece, simple structure, is easy to operation, and disclosure satisfy that workpiece pressing to the size of power will
Ask.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of hold-down mechanism of the present invention；
Fig. 2 is the annexation figure of rotating mass of the present invention and bearing；
Fig. 3 is the enlarged diagram at I in Fig. 2；
Fig. 4 is the sectional view of joint of the present invention；
Fig. 5 is that cylinder is in spring and limited post, the location diagram of connector when stretching out state.
In figure：
1st, bearing；2nd, rotating mass；21st, depression bar；211st, boss；2111st, mounting groove；212nd, hold-down column；22nd, power end；
3rd, cylinder；4th, fixed seat；5th, joint；51st, shoulder hole；52nd, connecting hole；6th, connector；7th, bearing；8th, end cap；9th, limited post；
10th, spring.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figure 1, a kind of hold-down mechanism is present embodiments provided, including bearing 1, rotating mass 2, power end 22, pressure
Bar 21 and power set, wherein,
As shown in Fig. 2 the bearing 1 is multidiameter structure, the miner diameter end of the bearing 1 has been connected by screw end cap 8,
About two bearings 7 being distributed are arranged with the path section of the bearing 1.
The rotating mass 2 are sheathed on bearing 1 and can be rotated around bearing 1, specifically, the rotating mass 1 are set in branch
Seat 1 is located in the path section between its big footpath section and end cap 8, realizes that rotating mass 2 can be rotated around bearing 1 by bearing 7.It is described
Power end 22 and depression bar 21 are fixedly arranged on rotating mass 2 and perpendicular to the central axis distribution of rotating mass 2, power end 22 and pressure
The angled laying of bar 21.According to lever principle, in order to realize being applied along the tangential direction of the rotation direction of rotating mass 2 in power end 22
Plus a power so that depression bar 21 obtains less thrust, power end 22 described in the present embodiment away from one end of rotating mass 2
Length less than depression bar 21 length.
As shown in figure 3, the depression bar 21 is provided with boss 211 away from one end of rotating mass 2, the boss 211 points to rotation
The side for turning the rotation direction of main body 2 is provided with mounting groove 2111, the mounting groove 2111 pressure for being provided with and being rotated with depression bar 21 and be connected
Tight post 212, the central axial direction of the hold-down column 212 is parallel with the central axial direction of rotating mass 2, the hold-down column
Mounting groove 2111 and operationally workpiece pressing are stretched out in the side of the 212 sensing rotation directions of rotating mass 2.
The power set are cylinder 3, and the output end of the cylinder 3 is connected with power end 22 by joint 5, the cylinder
3 are rotatably connected to fixed seat 4 away from one end of its external part.Specifically, reference picture 4, the joint 5 is provided with shoulder hole 51,
The joint 5 is provided with the connecting hole 52 connected with the path section of shoulder hole 51, and connecting hole 52 described in the present embodiment is waist type
Hole；The central axis of the shoulder hole 51 and the central axis upright of connecting hole 52, and the central axis of the connecting hole 52 is flat
Row is in the central axis of rotating mass 2.
As shown in figure 5, diameter of the path section of the shoulder hole 51 with diameter greater than the external part of cylinder 3, the cylinder 3 stretches out
End is installed with the limited post 9 being adapted with the big footpath section of shoulder hole 51, and the external part of the cylinder 3 is placed in shoulder hole 51 and can
Slided along the axis direction of shoulder hole 51.The power end 22 is installed with connector 6, the company away from one end of rotating mass 2
The other end of fitting 6 runs through connecting hole 52.In the shoulder hole 51 that spring 10 is placed between limited post 9 and connector 6, the spring
10 internal diameter is more than the diameter of the external part of cylinder 3, less than the diameter of the path section of shoulder hole 51；The cylinder 3 is in fully extended
During state, the spring 10 is compressed and its two ends presses on the outer wall of connector 6 and the end face of limited post 9 respectively.The cylinder 3
During stretching out, the push the spring 10 of limited post 9 is compressed to connector 6, and then acts on power end 22, is promoted by power end 22
Rotating mass 2 are rotated around bearing 1.
The operation principle of hold-down mechanism described in the present embodiment is as follows：The external part of cylinder 3 along the shoulder hole 51 of joint 5 axle
It is close to slip and to connector 6, after the two ends of spring 10 are pressed on the end face of the outer wall of connector 6 and limited post 9 respectively,
With cylinder 3 continue stretch out, spring 10 will be compressed and be acted on connector 6, and connector 6 will drive connected rotation
The power end 22 of main body 2 is rotated around bearing 1.During rotating mass 2 are rotated around bearing 1, cylinder 3 is rotated around fixed seat 4；
When cylinder 3 is in fully extended state, hold-down column 212 stretches out the part contact workpiece of mounting groove 2111.Now cylinder 3 stops
In current state, because spring 10 is in compressive state, spring 10 will act on connector 6, power acted on by connector 6
End 22 makes power end 22 produce an active force, and according to lever principle, the length of the length less than depression bar 21 of power end 22 is compressed
Post 212 will force clamping of workpieces by very little.
Obviously, the above embodiment of the present invention illustrates example of the present invention just for the sake of clear, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of hold-down mechanism, it is characterised in that including bearing (1), be sheathed on bearing (1) and can be rotated relative to bearing (1)
Rotating mass (2), be fixedly arranged on the power end (22) and depression bar (21) of rotating mass (2) outer wall, and be rotationally connected with power
Power set of the end (22) away from rotating mass (2) one end；The power end (22) and depression bar (21) it is angled laying and it is described
The length of power end (22) is less than the length of depression bar (21), and the output end of the power set slidably connects joint (5), described
The other end of joint (5) is rotationally connected with power end (22), the joint (5) and is provided with two ends difference connecting power device output
End and the spring (10) of power end (22).
2. hold-down mechanism according to claim 1, it is characterised in that the power set are cylinder (3), the cylinder
(3) external part is stretched into joint (5) and can slided in joint (5)；The cylinder (3) rotates away from one end of its external part
It is connected with fixed seat (4).
3. hold-down mechanism according to claim 2, it is characterised in that the joint (5) is provided with shoulder hole (51), described
The external part of cylinder (3) is placed in the shoulder hole (51)；The joint (5) is provided with and is connected with the path section of shoulder hole (51)
Connecting hole (52), the central axis of the shoulder hole (51) and the central axis upright of connecting hole (52), and the connecting hole
(52) centerline axis parallel is in the central axis of rotating mass (2).
4. hold-down mechanism according to claim 3, it is characterised in that the power end (22) is away from rotating mass (2)
One end is installed with connector (6), and the other end of the connector (6) runs through connecting hole (52).
5. hold-down mechanism according to claim 4, it is characterised in that the connecting hole (52) is waist-shaped hole.
6. hold-down mechanism according to claim 5, it is characterised in that the external part of the cylinder (3) is installed with and ladder
The limited post (9) that the big footpath section in hole (51) is adapted.
7. hold-down mechanism according to claim 6, it is characterised in that the spring (10) is placed in limited post (9) and is connected
In shoulder hole (51) between part (6), and the cylinder (3) in fully extended state when, the spring (10) compressed and
Its two ends presses on connector (6) outer wall and limited post (9) end face respectively.
8. hold-down mechanism according to claim 1, it is characterised in that the bearing (1) is multidiameter structure and its path
End is installed with end cap (8), and the rotating mass (2) are sheathed on bearing (1) between end cap (8) and the big footpath section of bearing (1) outward.
9. hold-down mechanism according to claim 8, it is characterised in that be arranged with and rotating mass (2) outside the bearing (1)
The bearing (7) being adapted.
10. hold-down mechanism according to claim 1, it is characterised in that the depression bar (21) is away from the one of rotating mass (2)
End is provided with hold-down column (212), and the central axial direction of the hold-down column (212) is put down with the central axial direction of rotating mass (2)
OK, and its point to rotating mass (2) direction of rotation side workpiece pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369534.0A CN105798812B (en) | 2016-05-30 | 2016-05-30 | A kind of hold-down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369534.0A CN105798812B (en) | 2016-05-30 | 2016-05-30 | A kind of hold-down mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105798812A CN105798812A (en) | 2016-07-27 |
| CN105798812B true CN105798812B (en) | 2017-07-04 |
Family
ID=56452174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610369534.0A Active CN105798812B (en) | 2016-05-30 | 2016-05-30 | A kind of hold-down mechanism |
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| CN (1) | CN105798812B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH502873A (en) * | 1969-04-23 | 1971-02-15 | Applied Power Ind Inc | Hydraulic clamping device |
| CN2843736Y (en) * | 2005-11-18 | 2006-12-06 | 河南中轴集团有限公司 | Workpiece clamp boring mill of |
| CN202050046U (en) * | 2011-06-30 | 2011-11-23 | 上海无线电设备研究所 | Antenna adapter composite press fit device |
| CN102658530A (en) * | 2012-05-10 | 2012-09-12 | 河北中迈机电设备有限公司 | Hydraulic clamp with rotary and linear movement locus and use method thereof |
| CN205765752U (en) * | 2016-05-30 | 2016-12-07 | 苏州赛腾精密电子股份有限公司 | A kind of hold-down mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2534354B2 (en) * | 1989-06-05 | 1996-09-11 | 帝国ピストリング株式会社 | Colored alloy powder for paint and method for producing the same |
-
2016
- 2016-05-30 CN CN201610369534.0A patent/CN105798812B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH502873A (en) * | 1969-04-23 | 1971-02-15 | Applied Power Ind Inc | Hydraulic clamping device |
| CN2843736Y (en) * | 2005-11-18 | 2006-12-06 | 河南中轴集团有限公司 | Workpiece clamp boring mill of |
| CN202050046U (en) * | 2011-06-30 | 2011-11-23 | 上海无线电设备研究所 | Antenna adapter composite press fit device |
| CN102658530A (en) * | 2012-05-10 | 2012-09-12 | 河北中迈机电设备有限公司 | Hydraulic clamp with rotary and linear movement locus and use method thereof |
| CN205765752U (en) * | 2016-05-30 | 2016-12-07 | 苏州赛腾精密电子股份有限公司 | A kind of hold-down mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105798812A (en) | 2016-07-27 |
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