CN109397146A - A kind of spiral clamping device and its working method - Google Patents
A kind of spiral clamping device and its working method Download PDFInfo
- Publication number
- CN109397146A CN109397146A CN201811544967.0A CN201811544967A CN109397146A CN 109397146 A CN109397146 A CN 109397146A CN 201811544967 A CN201811544967 A CN 201811544967A CN 109397146 A CN109397146 A CN 109397146A
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- CN
- China
- Prior art keywords
- connecting rod
- sleeve
- collet
- movable plate
- clamping device
- 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.)
- Pending
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to a kind of spiral clamping devices, it is characterized by comprising have a sleeve, the sleeve upper end is bolted with a top cover, running through vertically in the middle part of the top cover has threaded hole, a screw rod is provided with above top cover to wear by threaded hole to sleeve inner, described sleeve pipe upper end lateral wall central symmetry is hinged with first connecting rod, groove bar is offered on the first connecting rod, the first connecting rod lower end is hinged with second connecting rod, the second connecting rod lower end is hinged with collet, a U-shaped movable plate is bolted on screw rod above the top cover, the movable plate is opening down, and both ends pass through groove bar of the pin on the first screw rod and connect with movable plate, the spiral clamping device is simple and reasonable, it is easy to use.
Description
Technical field
The present invention relates to machinery fields, are a kind of its working methods of spiral clamping device.
Background technique
Clamping device is widely used in production practices and daily life.At present mainly using link mechanism, convex
Wheel mechanism or worm drive clamp to realize, being essentially all is single machine structure, and such clamping is not very reliable.If some
Component is acted on by load, and whole device is easy to loosen, and leads to clamping failures.
Summary of the invention
In view of the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of spiral clamping device its
Working method, it is not only structurally reasonable but also easy to use.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of spiral clamping device, includes a set of
Cylinder, the sleeve upper end are bolted with a top cover, and running through vertically in the middle part of the top cover has threaded hole, is provided with a screw rod above top cover
It is worn by threaded hole to sleeve inner, described sleeve pipe upper end lateral wall central symmetry is hinged with first connecting rod, the first connecting rod
On offer groove bar, the first connecting rod lower end is hinged with second connecting rod, and the second connecting rod lower end is hinged with collet, described
A U-shaped movable plate is bolted on screw rod above top cover, the movable plate is opening down, and both ends pass through pin and pass through the
Groove bar on one screw rod is connect with movable plate.
Further, sleeve upper end inner wall is provided with internal screw thread, and top cover peripheral part is provided with external screw thread, top cover it is outer
Screw thread is screwed on the internal screw thread of sleeve.
Further, the collet includes straight-bar and curved rod, and end is fixed is integrated, one end of the straight-bar
Hinged with second connecting rod, the other end and the fixed place of being integrated of curved rod are hinged on sleeve bottom end outer surface.
Further, the curved rod is relative orientation, i.e. two curved rods are towards far from one lateral bending of sleeve central axes
It is bent.
Further, a nut is fixed in the middle part of the movable plate horizontal segment, and movable plate is connect by nut with screw rod,
Groove bar on the first connecting rod extends along first connecting rod length direction.
Further, the screw rod is bolted with two bearings, the diameter and sleeve diameter of the bearing in sleeve inner side
It is identical to limit left and right freedom degree of the screw rod in sleeve.
Further, the sleeve upper end side wall central symmetry is installed with articulated slab, and every side is arranged in parallel with two pieces of hinges
Between fishplate bar and two articulated slabs there are gap for first connecting rod be inserted into, and through a pin through articulated slab with it is hinged on first connecting rod
Hole is hinged.
A kind of working method of spiral clamping device, sequentially includes the following steps: and rotates clockwise screw rod, and movable plate will be by
Drive moves upwards, and mobile board ends drive first connecting rod to make rotating motion, and first connecting rod drives second connecting rod rotation, and second connects
Bar drives the straight-bar of collet to rotate towards close to casing direction, and the curved rod of collet is in turn by hinged with the articulated slab of lower end
Collet opening action is realized in rotation；Rotary screw counterclockwise, movable plate will be driven and move downward, and mobile board ends drive the
One connecting rod makes rotating motion, and first connecting rod drives second connecting rod rotation, and second connecting rod drives the straight-bar of collet towards far from casing side
To rotation, the curved rod of collet and then by the articulated slab hinging rotary with lower end, realizes collet pinching action, clamp it
First connecting rod and second connecting rod reach the dead point of double rocking lever on the same line and between collet afterwards, stuck state occur, real
Now clamp.
Compared with prior art, the invention has the following advantages: the spiral clamping device, by rotary screw,
It drives movable plate to move up and down, first connecting rod and second connecting rod is then driven hingedly to form revolute pair rotation, finally drive two folders
Head is clamped and unclamps, and the present invention is clamped using the combined mechanism that worm drive and link mechanism form to realize, improves
The reliability of clamping.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is organigram of the embodiment of the present invention；
Fig. 2 is the connection schematic diagram of screw rod and movable plate in Fig. 1；
Fig. 3 is the part drawing of Fig. 1 middle sleeve；
Fig. 4 is the part drawing of collet in Fig. 1.
In figure: 1- sleeve, 2- top cover, 3- threaded hole, 4- screw rod, 5- first connecting rod, 6- groove bar, 7- second connecting rod, 8- folder
Head, 9- movable plate, 10- pin, 11- straight-bar, 12- curved rod, 13- nut, 14- bearing, 15- articulated slab, 16- hinge hole.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
Carefully it is described as follows.
As shown in Fig. 1 ~ 4, a kind of spiral clamping device includes a sleeve 1, and the sleeve upper end is bolted with a top cover
2, the top cover middle part through there is threaded hole 3, is provided with a screw rod 4 above top cover and is worn by threaded hole to sleeve inner vertically,
Described sleeve pipe upper end lateral wall central symmetry is hinged with first connecting rod 5, offers groove bar 6 on the first connecting rod, and described first
Connecting rod lower end is hinged with second connecting rod 7, and the second connecting rod lower end is hinged with collet 8, spiral shell on the screw rod above the top cover
It is connected to a U-shaped movable plate 9, the movable plate is opening down, and both ends pass through slot of the pin 10 on the first screw rod
Item is connect with movable plate.
In embodiments of the present invention, sleeve upper end inner wall is provided with internal screw thread, and top cover peripheral part is provided with external screw thread,
The external thread bolt connection of top cover is on the internal screw thread of sleeve.
In embodiments of the present invention, the collet includes straight-bar 11 and curved rod 12, and end is fixed is integrated, institute
The one end for stating straight-bar is hinged with second connecting rod, and the other end and the fixed place of being integrated of curved rod are hinged on sleeve bottom end appearance
Face.
In embodiments of the present invention, the curved rod is relative orientation, i.e. two curved rods are towards far from sleeve axis
Line curving.
In embodiments of the present invention, it is fixed with a nut 13 in the middle part of the movable plate horizontal segment, and movable plate passes through nut
It is connect with screw rod, the groove bar on the first connecting rod extends along first connecting rod length direction.
In embodiments of the present invention, the screw rod is bolted with two bearings 14, the diameter of the bearing in sleeve inner side
It is identical as sleeve diameter to limit left and right freedom degree of the screw rod in sleeve.
In embodiments of the present invention, the sleeve upper end side wall central symmetry is installed with articulated slab 15, and every side is set in parallel
Be equipped between two pieces of articulated slabs and two articulated slabs there are gap for first connecting rod be inserted into, and through a pin through articulated slab with first company
Hinge hole 16 on bar is hinged, and the sleeve lower end side and upper end side are installed with articulated slab with central symmetry, and every side is set in parallel
It is equipped between two pieces of articulated slabs and two articulated slabs that there are gaps for straight-bar and the fixed place of being integrated of curved rod hingedly.
A kind of working method of spiral clamping device, and sequentially include the following steps: and rotate clockwise screw rod, movable plate will
It being driven and moves upwards, mobile board ends drive first connecting rod to make rotating motion, and first connecting rod drives second connecting rod to rotate, and second
Connecting rod drives the straight-bar of collet to rotate towards close to casing direction, and the curved rod of collet with the articulated slab of lower end in turn by cutting with scissors
Rotation is connect, realizes collet opening action；Rotary screw counterclockwise, movable plate will be driven and move downward, and mobile board ends drive
First connecting rod makes rotating motion, and first connecting rod drives second connecting rod rotation, and second connecting rod drives the straight-bar of collet towards far from casing
Direction rotates, and the curved rod of collet passes through the articulated slab hinging rotary with lower end in turn, realizes collet pinching action, clamps
First connecting rod and second connecting rod reach the dead point of double rocking lever on the same line and between collet later, stuck state occur,
It realizes and clamps.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The spiral clamping device and its working method of kind form.All equivalent changes done according to scope of the present invention patent with repair
Decorations, are all covered by the present invention.
Claims (8)
1. a kind of spiral clamping device, it is characterised in that: include a sleeve, the sleeve upper end is bolted with a top cover, institute
It states in the middle part of top cover vertically through there is threaded hole, is provided with a screw rod above top cover and is worn by threaded hole to sleeve inner, the set
Pipe upper end lateral wall central symmetry is hinged with first connecting rod, and groove bar, the first connecting rod lower end are offered on the first connecting rod
It is hinged with second connecting rod, the second connecting rod lower end is hinged with collet, and it is U-shaped to be bolted with one on the screw rod above the top cover
Movable plate, the movable plate is opening down, and both ends pass through groove bar of the pin on the first screw rod and connect with movable plate.
2. a kind of spiral clamping device according to claim 1, it is characterised in that: sleeve upper end inner wall is provided with
Internal screw thread, top cover peripheral part are provided with external screw thread, and the external thread bolt connection of top cover is on the internal screw thread of sleeve.
3. a kind of spiral clamping device according to claim 1, it is characterised in that: the collet includes straight-bar and arc
Shape bar, and end is fixed is integrated, one end of the straight-bar is hinged with second connecting rod, the other end and curved rod it is fixed be one
Sleeve bottom end outer surface is hinged at body.
4. a kind of spiral clamping device according to claim 3, it is characterised in that: the curved rod is relative orientation
, i.e. two curved rods are towards far from sleeve central axes curving.
5. a kind of spiral clamping device according to claim 1, it is characterised in that: solid in the middle part of the movable plate horizontal segment
It is connected with a nut, and movable plate is connect by nut with screw rod, the groove bar on the first connecting rod is along first connecting rod length direction
Extend.
6. a kind of spiral clamping device according to claim 1, it is characterised in that: the screw rod is in sleeve inner side
Two bearings are bolted with, the diameter of the bearing is identical as sleeve diameter to limit left and right freedom degree of the screw rod in sleeve.
7. a kind of spiral clamping device according to claim 1, it is characterised in that: the sleeve upper end side wall center pair
Title is installed with articulated slab, and every side is arranged in parallel between two pieces of articulated slabs and two articulated slabs that there are gaps to be inserted into for first connecting rod,
And it is hinged through articulated slab and the hinge hole on first connecting rod through a pin.
8. a kind of spiral clamping device and its working method, which is characterized in that using any as described in claim 1-7
Spiral clamping device, and sequentially include the following steps: and rotate clockwise screw rod, movable plate will be driven and move upwards, movable plate
Both ends drive first connecting rod to make rotating motion, and first connecting rod drives second connecting rod rotation, and second connecting rod drives the straight-bar court of collet
It is rotated close to casing direction, the curved rod of collet passes through the articulated slab hinging rotary with lower end in turn, realizes that collet is opened
Movement；Rotary screw counterclockwise, movable plate will be driven and move downward, and mobile board ends drive first connecting rod to make rotating motion,
First connecting rod drives second connecting rod rotation, and second connecting rod drives the straight-bar of collet to rotate towards far from casing direction, the arc of collet
Bar passes through the articulated slab hinging rotary with lower end in turn, realizes collet pinching action, first connecting rod and second after clamping
Connecting rod reaches the dead point of double rocking lever on the same line and between collet, stuck state occurs, realizes and clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544967.0A CN109397146A (en) | 2018-12-17 | 2018-12-17 | A kind of spiral clamping device and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544967.0A CN109397146A (en) | 2018-12-17 | 2018-12-17 | A kind of spiral clamping device and its working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109397146A true CN109397146A (en) | 2019-03-01 |
Family
ID=65460683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811544967.0A Pending CN109397146A (en) | 2018-12-17 | 2018-12-17 | A kind of spiral clamping device and its working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397146A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394744A (en) * | 2019-07-25 | 2019-11-01 | 东北大学 | Fast quick-detach thick pillar device based on dead point clamping |
| CN112387997A (en) * | 2020-12-17 | 2021-02-23 | 广西机电职业技术学院 | Lathe tool fixture assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130113150A1 (en) * | 2011-11-09 | 2013-05-09 | Summer Manufacturing Co., Inc. | Clamp assembly |
| CN205734530U (en) * | 2016-06-16 | 2016-11-30 | 南安上远玻璃有限公司 | A kind of glass cutting machine auxiliary clamping device |
| CN206663024U (en) * | 2016-12-26 | 2017-11-24 | 长沙市比亚迪汽车有限公司 | A kind of clamping device |
| CN108284251A (en) * | 2018-01-10 | 2018-07-17 | 宁波鑫神泽汽车零部件有限公司 | Automobile tubing cutting means |
| CN209491676U (en) * | 2018-12-17 | 2019-10-15 | 福州大学 | A kind of spiral clamping device |
-
2018
- 2018-12-17 CN CN201811544967.0A patent/CN109397146A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130113150A1 (en) * | 2011-11-09 | 2013-05-09 | Summer Manufacturing Co., Inc. | Clamp assembly |
| CN205734530U (en) * | 2016-06-16 | 2016-11-30 | 南安上远玻璃有限公司 | A kind of glass cutting machine auxiliary clamping device |
| CN206663024U (en) * | 2016-12-26 | 2017-11-24 | 长沙市比亚迪汽车有限公司 | A kind of clamping device |
| CN108284251A (en) * | 2018-01-10 | 2018-07-17 | 宁波鑫神泽汽车零部件有限公司 | Automobile tubing cutting means |
| CN209491676U (en) * | 2018-12-17 | 2019-10-15 | 福州大学 | A kind of spiral clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394744A (en) * | 2019-07-25 | 2019-11-01 | 东北大学 | Fast quick-detach thick pillar device based on dead point clamping |
| CN112387997A (en) * | 2020-12-17 | 2021-02-23 | 广西机电职业技术学院 | Lathe tool fixture assembly |
| CN112387997B (en) * | 2020-12-17 | 2023-08-25 | 广西机电职业技术学院 | Lathe tool anchor clamps subassembly |
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