CN205888946U - Workpiece clamping device - Google Patents
Workpiece clamping device Download PDFInfo
- Publication number
- CN205888946U CN205888946U CN201620669381.7U CN201620669381U CN205888946U CN 205888946 U CN205888946 U CN 205888946U CN 201620669381 U CN201620669381 U CN 201620669381U CN 205888946 U CN205888946 U CN 205888946U
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- CN
- China
- Prior art keywords
- extension spring
- piston
- lever
- bearing pin
- fixed
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a workpiece clamping device belongs to the machinery processing technology field. It includes the double piston rod cylinder, pressing plates, the L lever that appears, the extension spring, the knock pin, the pressure spring, the piston of double piston rod cylinder can slide from top to bottom and set up in the cylinder body, connect the upper end of journal stirrup setting at shang rod, the middle -end of clamp plate articulates on fixing support, be provided with U type hole on the clamp plate, drive pivort fixation is on connecting the journal stirrup, it is downthehole that a U type that inserts the clamp plate is sold in the drive, the pressure pad sets up the lower extreme in clamp plate one side, L shape lever passes through the rest pin axle and articulates on the lever bearing, the lower extreme and the laminating of lower piston pole of L shape lever, the upper end of L shape lever is provided with the supporting bulb, and insert the bulb inslot, but the setting of knock pin horizontal slip is at the knock pin inslot, the knock pin inslot is provided with the pressure spring, first extension spring round pin axle and second extension spring round pin axle are connected respectively to the both ends of extension spring. The utility model discloses the realization to the quick clamp of work piece tight with loosen, rational in infrastructure, the centre gripping is effectual.
Description
Technical field
This utility model is related to machining technology field, particularly to a kind of Workpiece clamping device.
Background technology
Machining refers to the process of by a kind of plant equipment, the overall dimensions of workpiece or performance are changed.Press and add
Difference in work mode can be divided into machining and pressure processing.In process of production, every shape changing production object, chi
Very little, position and property etc. are so as to become finished product or the process of semi-finished product is referred to as technical process.It is the main portion of production process
Point.Technical process can be divided into the technical processs such as casting, forging, punching press, welding, machining, assembling, manufacturing technology mistake again
Journey generally refers to the machining work process of part and the summation of the assembling technology procedure of machine, and other processes then referred to as assist
Process, such as transport, keeping, power supply, maintenance of equipment etc..Technical process is by one or several tactic works again
Sequence composition, an operation is formed by by several work steps.It is necessary to be clamped to workpiece in mechanical processing process, common
Workpiece clamping device be typically all that cylinder directly drives clamping plate to realize, but be because that the stroke of the piston rod of cylinder is
Inaccurate, clamping force more difficult control during Workpiece clamping, clamping effect is poor.
Utility model content
The purpose of this utility model is to provide a kind of Workpiece clamping device, realizes the Quick-clamped to workpiece and unclamps, no
But rational in infrastructure, good clamping effect, and good reliability, long service life.
This utility model solves its technical problem and be the technical scheme is that
A kind of Workpiece clamping device, it include support plinth, frame, double piston-rod cylinder, driving bearing pin, supporting platform,
Pressing plate, pressure pad, hold-down support, l shape lever, extension spring, the first extension spring bearing pin, the second extension spring bearing pin, lever branching holder, fulcrum post
Axle, ejector pin, stage clip, described frame is fixed on support plinth, described double piston-rod cylinder include cylinder body, piston, upper piston rod,
Connect journal stirrup, lower piston rod, upper air valve, lower air valve, described cylinder body is fixed in frame, and described piston can slide up and down and be arranged on
In cylinder body, the concentric upper end being fixed on piston of described upper piston rod, described connection journal stirrup is arranged on the upper end of upper piston rod, institute
State the concentric lower end being fixed on piston of lower piston rod, described upper air valve and lower air valve are arranged on the both sides up and down of cylinder body, described
Supporting platform is fixed on one end of frame, and the middle-end of described pressing plate is hinged on hold-down support, and described pressing plate is provided with u-shaped
Hole, described driving bearing pin is fixed on connection journal stirrup, and described driving bearing pin inserts the u-shaped in the hole of pressing plate, and described pressure pad is arranged on
The lower end of pressing plate side, the other end of described pressing plate is provided with bulb groove, and described l shape lever is hinged on lever by supporting shaft
In fulcrum bearing, described lever branching holder is fixed on support plinth, and the lower end of described l shape lever and lower piston rod are fitted, described l
The upper end of shape lever is provided with supporting bulb, in described supporting bulb insertion bulb groove, described pressing plate is provided with ejector pin groove, and
And the side positioned at bulb groove, described ejector pin can horizontally slip and be arranged in ejector pin groove, be provided with stage clip, institute in described ejector pin groove
State the first extension spring bearing pin to be fixed on l shape lever, described second extension spring bearing pin is fixed on support plinth, the two ends of described extension spring
Connect the first extension spring bearing pin and the second extension spring bearing pin respectively.
Further, it is provided with sealing ring between described piston and cylinder body.
Further, described pressure pad is gum elastic pressure pad.
Further, the lower end of described lower piston rod is provided with dome.
Compared to the prior art this utility model, has advantages below and effect: the piston in dual piston cylinder is transported downwards
Dynamic, the driving bearing pin connecting on journal stirrup being arranged on upper piston rod passes through u-shaped pore area dynamic pressure plate around fulcrum counter-clockwise swing,
The clamping to workpiece realized by pressure pad.Meanwhile, lower piston rod drives l shape lever counter-clockwise swing, the supporting bulb of l shape lever upper end
Small amplitude slip about band dynamic pressure plate, is conducive to Workpiece clamping.The supporting bulb of ejector pin and l shape lever upper end contacts, for inhaling
Receive the overswing amount in counter-clockwise swing for the l shape lever.After the completion of work pieces process, piston upwards, pressing plate is along the beat of pointer, right
Workpiece is realized unclamping.It is provided with sealing ring between piston and cylinder body, be conducive to piston smoothly to slide up and down.Pressure pad is elastic rubber
Glue laminated pad, reduces the crushing to workpiece in clamping process.The lower end of lower piston rod is provided with dome, is conducive to and l shape lever
Laminating.This utility model is realized the Quick-clamped to workpiece and is unclamped, not only rational in infrastructure, good clamping effect, and reliable
Good, the long service life of property.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of this utility model Fig. 1.
In figure: 1. support plinth, 2. frame, 3. double piston-rod cylinder, 4. driving bearing pin, 5. supporting platform, 6. pressing plate, 7.
Pressure pad, 8. hold-down support, 9.l shape lever, 10. extension spring, 11. first extension spring bearing pins, 12. second extension spring bearing pins, 13. lever supportings
Seat, 14. supporting shafts, 15. ejector pins, 16. stage clips, 17. cylinder bodies, 18. pistons, 19. upper piston rods, 20. connection journal stirrups, under 21.
Piston rod, 22. upper air valves, 23. lower air valves, 24.u type hole, 25. bulb grooves, 26. supporting bulbs, 27. ejector pin grooves, 28. sealings
Circle, 29. domes.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are right
Of the present utility model explain and this utility model is not limited to following examples.
As depicted in figs. 1 and 2, a kind of Workpiece clamping device it is characterised in that: it includes support plinth 1, frame 2, dual-active
Stopper rod cylinder 3, driving bearing pin 4, supporting platform 5, pressing plate 6, pressure pad 7, hold-down support 8, l shape lever 9, extension spring 10, the first extension spring
Bearing pin 11, the second extension spring bearing pin 12, lever branching holder 13, supporting shaft 14, ejector pin 15, stage clip 16, described frame 2 is fixed on props up
Hold on base 1, described double piston-rod cylinder 3 includes cylinder body 17, piston 18, upper piston rod 19, connects journal stirrup 20, lower piston rod
21st, upper air valve 22, lower air valve 23, described cylinder body 17 is fixed in frame 2, and described piston 18 can slide up and down and be arranged on cylinder body 17
Interior, it is provided with sealing ring 28 between described piston 18 and cylinder body 17, be conducive to piston smoothly to slide about 18.Described upper piston
The concentric upper end being fixed on piston 18 of bar 19, described connection journal stirrup 20 is arranged on the upper end of upper piston rod 19, described lower piston
The concentric lower end being fixed on piston 18 of bar 21, described upper air valve 22 and lower air valve 23 are arranged on the both sides up and down of cylinder body 17.Institute
State one end that supporting platform 5 is fixed on frame 2, the middle-end of described pressing plate 6 is hinged on hold-down support 8, described pressing plate 6 is arranged
There is u-shaped hole 24, described driving bearing pin 4 is fixed on connection journal stirrup 20, and described driving bearing pin 4 is inserted in the u-shaped hole 24 of pressing plate 6.
Described pressure pad 7 is arranged on the lower end of pressing plate 6 side, and described pressure pad 7 is gum elastic pressure pad, reduces to workpiece in clamping process
Crushing.The other end of described pressing plate 6 is provided with bulb groove 25.Described l shape lever 9 is hinged on lever by supporting shaft 14 and props up
In bearing 13, described lever branching holder 13 is fixed on support plinth 1, and the lower end of described l shape lever 9 and lower piston rod 21 paste
Close, the lower end of described lower piston rod 21 is provided with dome 29, is conducive to the laminating with l shape lever 9.The upper end of described l shape lever 9
It is provided with supporting bulb 26, in described supporting bulb 26 insertion bulb groove 25, described pressing plate 6 is provided with ejector pin groove 27, and
Positioned at the side of bulb groove 25, described ejector pin 15 can horizontally slip and be arranged in ejector pin groove 27, be provided with described ejector pin groove 27
Stage clip 16, described first extension spring bearing pin 11 is fixed on l shape lever 9.Described second extension spring bearing pin 12 is fixed on support plinth 1
On, the two ends of described extension spring 10 connect the first extension spring bearing pin 11 and the second extension spring bearing pin 12 respectively.
By technique scheme, when a kind of Workpiece clamping device of this utility model uses, the piston in dual piston cylinder 3
18 move downward, be arranged on upper piston rod 19 connect journal stirrup 20 on driving bearing pin 4 by u-shaped hole 24 carry dynamic pressure plate 6 around
Fulcrum counter-clockwise swing, the clamping to workpiece realized by pressure pad 7.Meanwhile, lower piston rod 21 drives l shape lever 9 counter-clockwise swing,
Supporting bulb 26 band dynamic pressure plate 6 about the small amplitude slip of l shape lever 9 upper end, is conducive to Workpiece clamping.Ejector pin 15 and l shape lever 9
The supporting bulb 26 of upper end contacts, for absorbing the overswing amount in counter-clockwise swing for the l shape lever 9.After the completion of work pieces process,
Piston 18 moves upwards, and pressing plate 6, along the beat of pointer, is realized unclamping to workpiece.This utility model realizes the Quick-clamped to workpiece
With unclamp, not only rational in infrastructure, good clamping effect, and good reliability, long service life.
Above content described in this specification is only to this utility model example explanation.This utility model
Person of ordinary skill in the field can make various modifications or supplement or adopt class to described specific embodiment
As mode substitute, the content without departing from this utility model description or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (4)
1. a kind of Workpiece clamping device it is characterised in that: it include support plinth, frame, double piston-rod cylinder, driving bearing pin,
Supporting platform, pressing plate, pressure pad, hold-down support, l shape lever, extension spring, the first extension spring bearing pin, the second extension spring bearing pin, lever supporting
Seat, supporting shaft, ejector pin, stage clip, described frame is fixed on support plinth, described double piston-rod cylinder include cylinder body, piston,
Upper piston rod, connection journal stirrup, lower piston rod, upper air valve, lower air valve, described cylinder body is fixed in frame, and described piston can be upper and lower
It is slidably arranged in cylinder body, the concentric upper end being fixed on piston of described upper piston rod, described connection journal stirrup is arranged on upper piston
The upper end of bar, the concentric lower end being fixed on piston of described lower piston rod, described upper air valve and lower air valve are arranged on the upper of cylinder body
Lower both sides, described supporting platform is fixed on one end of frame, and the middle-end of described pressing plate is hinged on hold-down support, on described pressing plate
It is provided with u-shaped hole, described driving bearing pin is fixed on connection journal stirrup, and described driving bearing pin inserts the u-shaped in the hole of pressing plate, described pressure
Pad is arranged on the lower end of pressing plate side, and the other end of described pressing plate is provided with bulb groove, and described l shape lever is cut with scissors by supporting shaft
It is connected on lever branching holder, described lever branching holder is fixed on support plinth, the lower end of described l shape lever and lower piston rod paste
Close, the upper end of described l shape lever is provided with supporting bulb, in described supporting bulb insertion bulb groove, described pressing plate is provided with
Ejector pin groove, and it is located at the side of bulb groove, described ejector pin can horizontally slip and be arranged in ejector pin groove, setting in described ejector pin groove
There is stage clip, described first extension spring bearing pin is fixed on l shape lever, described second extension spring bearing pin is fixed on support plinth, described
The two ends of extension spring connect the first extension spring bearing pin and the second extension spring bearing pin respectively.
2. a kind of Workpiece clamping device according to claim 1 it is characterised in that: be provided between described piston and cylinder body
Sealing ring.
3. a kind of Workpiece clamping device according to claim 1 it is characterised in that: described pressure pad be gum elastic pressure pad.
4. a kind of Workpiece clamping device according to claim 1 it is characterised in that: the lower end of described lower piston rod is provided with
Dome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620669381.7U CN205888946U (en) | 2016-06-30 | 2016-06-30 | Workpiece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620669381.7U CN205888946U (en) | 2016-06-30 | 2016-06-30 | Workpiece clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205888946U true CN205888946U (en) | 2017-01-18 |
Family
ID=57770102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620669381.7U Withdrawn - After Issue CN205888946U (en) | 2016-06-30 | 2016-06-30 | Workpiece clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205888946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922168A (en) * | 2016-06-30 | 2016-09-07 | 朱海杰 | Workpiece clamping device |
-
2016
- 2016-06-30 CN CN201620669381.7U patent/CN205888946U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922168A (en) * | 2016-06-30 | 2016-09-07 | 朱海杰 | Workpiece clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170118 Effective date of abandoning: 20171107 |