CN206982222U - A kind of adjustable clamping device - Google Patents
A kind of adjustable clamping device Download PDFInfo
- Publication number
- CN206982222U CN206982222U CN201720529991.1U CN201720529991U CN206982222U CN 206982222 U CN206982222 U CN 206982222U CN 201720529991 U CN201720529991 U CN 201720529991U CN 206982222 U CN206982222 U CN 206982222U
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- voussoir
- eccentric wheel
- workpiece
- left end
- 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.)
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Abstract
The utility model provides a kind of adjustable clamping device, belongs to machining technology field.It includes pressing plate, portal trestle, eccentric wheel, adjust voussoir, adjusting screw, pressing plate is through the entablature and middle cross beam of portal trestle, pressure head is arranged on the downside of the left end of pressing plate, the upper end of ejector pin is bonded with pressing plate under the action of the spring, first gear pins position is in the left end of pressing plate, second gear pins position is in the right-hand member of pressing plate, the right-hand member of pressing plate is hinged on eccentric wheel by supporting shaft, the left end of the piston rod of drive cylinder and the upper end of eccentric wheel are hinged, adjustment voussoir is slidably arranged on voussoir guide groove, adjusting screw is in the threaded connection of horizontal and boss, the right-hand member fitting of the left end and adjustment voussoir of adjusting screw, adjusting nut is also threaded with adjusting screw, the lower end of eccentric wheel and the upper surface fitting of adjustment voussoir.The utility model adapts to thickness of workpiece change within the specific limits and compensates the abrasion of eccentric wheel, effectively increases the clamping effect of workpiece.
Description
Technical field
Machining technology field is the utility model is related to, more particularly to a kind of adjustable clamping device.
Background technology
Machining refers to the process of be changed the appearance and size or performance of workpiece by a kind of plant equipment, by adding
Difference in work mode can be divided into machining and pressure processing.Processing need machinery by digital display milling machine, digital display form grinder,
Digital display lathe, electric discharge machine, grinding machine of universal, machining center, drilling machine, laser welding, fast wire winding, middle wire, slow wire feeding, peripheral milling
Bed, internal grinder, fine turning lathe etc..Machining refers to use cutting element（Including cutter, grinding tool and abrasive material）Blank or work
Unnecessary material layer is cut as chip on part, makes the processing side of geometry, size and surface quality as defined in workpiece acquisition
Method.Machining generally can be divided into：Turning, milling, drilling, boring, ream, planing, slotting, broaching, sawing, grinding, grinding,
Honing, microstoning, polishing, Gear Processing, spiral case making, screw thread process, Ultra-precision Turning, pincers worker and scraping etc..Fixture is
It is used for fixing processing object during machine-building, is allowed to occupy correct position, receives the device constructed or detected.Mesh
Before, common clamping device is all to rely on the briquetting on pressing plate to realize the clamping to workpiece, but common workpiece is because thickness
A range of change be present, and clamping device usage time can cause the abrasion of eccentric wheel too long, have a strong impact on workpiece
Clamping effect.
Utility model content
The purpose of this utility model is to provide a kind of adjustable clamping device, adapts to thickness of workpiece within the specific limits
Change and the abrasion of compensation eccentric wheel, it is rational in infrastructure, effectively increase the clamping effect of workpiece.
Technical scheme is used by the utility model solves its technical problem：
A kind of adjustable clamping device, it includes support plinth, workpiece, pressing plate, pressure head, portal trestle, the first backing pin, the
Two backing pins, ejector pin, spring, supporting shaft, eccentric wheel, drive cylinder, cylinder saddle, adjustment voussoir, adjusting screw, adjustment spiral shell
Female, boss, workpiece installation slot, spring groove, voussoir guide groove, the workpiece peace are disposed with from left to right on the support plinth
On workpiece installation slot, the portal trestle is fixed on support plinth, and the upper end of the portal trestle is provided with entablature,
Centre is provided with middle cross beam, and for the pressing plate through the entablature and middle cross beam of portal trestle, the pressure head is arranged on pressing plate
Left end on the downside of, the concentric setting of ejector pin and spring, the lower end of the spring is arranged in spring groove, the ejector pin it is upper
End is bonded with pressing plate under the action of the spring, and first backing pin and the second backing pin are all disposed within the front side of pressing plate, and described first
Backing pin is located at the left end of pressing plate, and the second gear pins position is hinged in the right-hand member of pressing plate, the right-hand member of the pressing plate by supporting shaft
On eccentric wheel, the drive cylinder includes cylinder body and piston rod, and the cylinder body is arranged on cylinder saddle, the piston rod
The upper end of left end and eccentric wheel is hinged, and the adjustment voussoir is slidably arranged on voussoir guide groove, and the boss is fixed on supporting
On base, and it is threadedly coupled positioned at the right side of voussoir guide groove, the adjusting screw in horizontal and boss, the adjusting screw
The right-hand member of left end and adjustment voussoir is bonded, and adjusting nut, the lower end of the eccentric wheel are also threaded with the adjusting screw
With the upper surface fitting of adjustment voussoir.
Further, the section of the voussoir guide groove is dove-tail.
Compared to the prior art the utility model, has advantages below and effect：The piston rod of drive cylinder stretches out to the left,
Band movable eccentric wheel is rotated counterclockwise, and eccentric wheel band dynamic pressure plate is slided and swung simultaneously to the left, treats that the second backing pin of pressing plate side touches
To after portal trestle, the pressure head on the left of pressing plate is further swung Workpiece clamping.When the piston rod of drive cylinder is retracted to the right, pressure
Plate realizes the release to workpiece.Because error, there is change in thickness of workpiece, and eccentric wheel lower end can produce within the specific limits
Abrasion, now, unscrews adjusting nut, the right position of adjusting screw is finely adjusted, then adjusting nut is locked.Voussoir guide groove
Section be dove-tail, be advantageous to adjust voussoir smoothly realize position adjustment on voussoir guide groove.The utility model can fit
Answer thickness of workpiece change within the specific limits and compensate the abrasion of eccentric wheel, it is rational in infrastructure, effectively increase the folder of workpiece
Tight effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model Fig. 1 partial enlarged drawing A.
In figure：1. support plinth, 2. workpiece, 3. pressing plates, 4. pressure heads, 5. portal trestles, 6. first backing pins, 7. second gear
Pin, 8. ejector pins, 9. springs, 10. supporting shafts, 11. eccentric wheels, 12. drive cylinders, 13. cylinder saddles, 14. adjustment voussoirs,
15. adjusting screw, 16. adjusting nuts, 17. boss, 18. workpiece installation slots, 19. spring grooves, 20. voussoir guide grooves are horizontal on 21.
Beam, 22. middle cross beams, 23. cylinder bodies, 24. piston rods.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
As depicted in figs. 1 and 2, a kind of adjustable clamping device, it include support plinth 1, workpiece 2, pressing plate 3, pressure head 4,
Portal trestle 5, the first backing pin 6, the second backing pin 7, ejector pin 8, spring 9, supporting shaft 10, eccentric wheel 11, drive cylinder 12, cylinder
Bearing 13, voussoir 14, adjusting screw 15, adjusting nut 16, boss 17 are adjusted, set successively from left to right on the support plinth 1
Workpiece installation slot 18, spring groove 19, voussoir guide groove 20 are equipped with, the section of the voussoir guide groove 20 is dove-tail, is advantageous to adjust
Whole voussoir 14 smoothly realizes position adjustment on voussoir guide groove 20.The workpiece 2 is arranged on workpiece installation slot 18, the door
Shape support 5 is fixed on support plinth 1, and the upper end of the portal trestle 5 is provided with entablature 21, and centre is provided with middle cross beam
22, for the pressing plate 3 through the entablature 21 and middle cross beam 22 of portal trestle 5, the pressure head 4 is arranged on the left end of pressing plate 3
Downside, the 9 concentric setting of ejector pin 8 and spring, the lower end of the spring 9 are arranged in spring groove 19, the ejector pin 8 it is upper
End is bonded in the presence of spring 9 with pressing plate 3, and the backing pin 7 of the first backing pin 6 and second is all disposed within the front side of pressing plate 3, described
First backing pin 6 is located at the left end of pressing plate 3, and second backing pin 7 is located at the right-hand member of pressing plate 3, and the right-hand member of the pressing plate 3 passes through supporting
Bearing pin 10 is hinged on eccentric wheel 11, and the drive cylinder 12 includes cylinder body 23 and piston rod 24, and the cylinder body 23 is arranged on gas
On cylinder bearing 13, the left end of the piston rod 24 and the upper end of eccentric wheel 11 are hinged, and the adjustment voussoir 14 is slidably arranged on
On voussoir guide groove 20, the boss 17 is fixed on support plinth 1, and positioned at the right side of voussoir guide groove 20, the adjustment spiral shell
Nail 15 is threadedly coupled in horizontal and boss 17, the right-hand member fitting of the left end and adjustment voussoir 14 of the adjusting screw 15, the tune
Adjusting nut 16, the lower end of the eccentric wheel 11 and the upper surface fitting of adjustment voussoir 14 are also threaded with whole screw 15.
Pass through above-mentioned technical proposal, a kind of adjustable clamping device of the utility model is in use, the piston of drive cylinder 12
Bar 24 is stretched out to the left, and band movable eccentric wheel 11 is rotated counterclockwise, and eccentric wheel 11 is slided and swung simultaneously to the left with dynamic pressure plate 3, waits to press
After second backing pin 7 of the side of plate 3 encounters portal trestle 5, the pressure head 4 in the left side of pressing plate 3, which is further swung, clamps workpiece 2.Driving
When the piston rod 24 of cylinder 12 is retracted to the right, pressing plate 3 realizes the release to workpiece 2.Because error, the thickness of workpiece 2 is in certain model
Interior presence change is enclosed, and the lower end of eccentric wheel 11 can produce abrasion, now, unscrew adjusting nut 16, to a left side for adjusting screw 15
Right position is finely adjusted, then adjusting nut 16 is locked.The utility model adapts to the change of the thickness of workpiece 2 within the specific limits
And the abrasion of compensation eccentric wheel 11, it is rational in infrastructure, effectively increase the clamping effect of workpiece 2.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
Enclose, the scope of protection of the utility model all should be belonged to.
Claims (2)
- A kind of 1. adjustable clamping device, it is characterised in that：It includes support plinth, workpiece, pressing plate, pressure head, portal trestle, the One backing pin, the second backing pin, ejector pin, spring, supporting shaft, eccentric wheel, drive cylinder, cylinder saddle, adjustment voussoir, adjustment spiral shell Nail, adjusting nut, boss, workpiece installation slot, spring groove, voussoir guide groove are disposed with from left to right on the support plinth, The workpiece is arranged on workpiece installation slot, and the portal trestle is fixed on support plinth, and the upper end of the portal trestle is set Entablature is equipped with, centre is provided with middle cross beam, and the pressing plate is through the entablature and middle cross beam of portal trestle, the pressure head It is arranged on the downside of the left end of pressing plate, the concentric setting of ejector pin and spring, the lower end of the spring is arranged in spring groove, institute The upper end for stating ejector pin is bonded with pressing plate under the action of the spring, before first backing pin and the second backing pin are all disposed within pressing plate Side, the first gear pins position pass through branch in the left end of pressing plate, the second gear pins position in the right-hand member of pressing plate, the right-hand member of the pressing plate Axle of consigning is hinged on eccentric wheel, and the drive cylinder includes cylinder body and piston rod, and the cylinder body is arranged on cylinder saddle, institute The upper end of the left end and eccentric wheel of stating piston rod is hinged, and the adjustment voussoir is slidably arranged on voussoir guide groove, the boss It is fixed on support plinth, and it is described in the threaded connection of horizontal and boss positioned at the right side of voussoir guide groove, the adjusting screw The left end of adjusting screw and the right-hand member of adjustment voussoir are bonded, and adjusting nut is also threaded with the adjusting screw, described inclined The lower end of heart wheel and the upper surface fitting of adjustment voussoir.
- A kind of 2. adjustable clamping device according to claim 1, it is characterised in that：The section of the voussoir guide groove is swallow Stern notch shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720529991.1U CN206982222U (en) | 2017-05-14 | 2017-05-14 | A kind of adjustable clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720529991.1U CN206982222U (en) | 2017-05-14 | 2017-05-14 | A kind of adjustable clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206982222U true CN206982222U (en) | 2018-02-09 |
Family
ID=61392003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720529991.1U Expired - Fee Related CN206982222U (en) | 2017-05-14 | 2017-05-14 | A kind of adjustable clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206982222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274277A (en) * | 2018-03-14 | 2018-07-13 | 无锡市锡东橡塑机械有限公司 | Collet chuck mounting device |
| CN113145737A (en) * | 2021-04-30 | 2021-07-23 | 绍兴三雄钢结构有限公司 | Shaped steel perforating device |
-
2017
- 2017-05-14 CN CN201720529991.1U patent/CN206982222U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274277A (en) * | 2018-03-14 | 2018-07-13 | 无锡市锡东橡塑机械有限公司 | Collet chuck mounting device |
| CN113145737A (en) * | 2021-04-30 | 2021-07-23 | 绍兴三雄钢结构有限公司 | Shaped steel perforating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20180514 |