CN201304509Y - Double-action and mechanical reinforcement clamping device - Google Patents
Double-action and mechanical reinforcement clamping device Download PDFInfo
- Publication number
- CN201304509Y CN201304509Y CNU2008201820633U CN200820182063U CN201304509Y CN 201304509 Y CN201304509 Y CN 201304509Y CN U2008201820633 U CNU2008201820633 U CN U2008201820633U CN 200820182063 U CN200820182063 U CN 200820182063U CN 201304509 Y CN201304509 Y CN 201304509Y
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- wedge
- screw
- clamping
- driving shaft
- screw set
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Abstract
The utility model relates to a double-action and mechanical reinforcement clamping device and belongs to the technique field of a lathe clamping device. The utility model is characterized in that a screw sleeve is connected with an actuating shaft through a key; the actuating shaft matches with the screw sleeve through a shaft shoulder; a little guide screw penetrates an inner unthreaded hole of the actuating shaft and is connected with the wire sleeve screw which is fixed in the actuating shaft through screws and pins; the little guide screw is connected with a pad through the shaft shoulder on the little guide screw. An exterior end of the little guide screw is provided with an inner hexagon; an inner end of the little guide screw is connected with a shim block through a self-aligning ball and the shim block; the shim block matches with an inner wedge surface of a wedge disk which is in shape of two half moons. The utility model has the advantages of having a simple structure, being simply processed, realizing high-efficient and large clamping forced double-action and mechanical clamping, having small starting moment and having simple operation procedures; the clamping direction of the force in a mechanism of amplification can change automatically corresponding to the loading direction from exterior clamping to inner clamping and does not need to adjust the clamping direction by human, thus greatly raising the efficiency of a working piece for holding and being an ideal clamping device of the lathe.
Description
One, technical field:
The utility model is a kind of dual action mechanical reinforcement clamping device, belongs to machine chuck claw tensioning technique
Two, background technology:
The clamping device in affiliated field adopted common leading screw more in the past, or the hydraulic booster device.Because common leading screw labour intensity when card engaging workpiece is big, is difficult to satisfy the requirement of big clamping force; And also there are defectives such as fluid easy to leak, clamping force retentivity difference in the hydraulic booster device; Compare with external similar anchor clamps, gap is bigger, can't satisfy the requirement of new product development in addition.
Three, summary of the invention:
The utility model is exactly the problem that in use exists at existing clamping device, has designed a kind of dual action mechanical reinforcement clamping device, and this dual action mechanical reinforcement clamping device is applicable to that various machineries, lathe clamp use.The utility model is made up of screw set (5) etc., it is characterized in that linking to each other with key (6) with driving shaft (4) at screw set (5), driving shaft (4) cooperates with the shaft shoulder with screw set (5), leave gap (27) between assembling rear drive shaft (4) and the screw set (5), gap (27) is 0.1～10 millimeter, the interior unthreaded hole that little leading screw (1) passes driving shaft (4) is threaded with silk braid (7), silk braid (7) is fixed in the driving shaft (4) with screw thread and pin (19), little leading screw (1) links to each other by the shaft shoulder on the little leading screw (1) with cushion block (2), cushion block (2) is connected with pin (3) with driving shaft (4), the termination of driving shaft (4) is provided with outer six sides, the external end head of little leading screw (1) is provided with interior six sides, the inner termination of little leading screw (1) links to each other with wedge awl (8) by spherical ball (18), wedge awl (8) matches with the interior wedge surface of wedge dish (10), wedge dish (10) is two first quarter moon shapes, the outer wedge surface of wedge dish (10) matches with the wedge surface of cover of wedge (9), the other end of cover of wedge (9) leans on mutually with screw set (5) shaft shoulder, wedge dish (10) position of screw set (5) has oil filler point (11), the other end of wedge dish (10) is leaned on mutually with sliding sleeve (12), return spring (17) passes sliding sleeve (12) and leans on mutually with wedge dish (10), silk braid (13) and screw set (5) are with being threaded, and it is fixing with screw (14), one end of cross spindle nose (16) has locating hole and return spring (17) is located, one end of cross spindle nose (16) penetrates silk braid (13) and is slidingly connected with it, back-moving spring (15) is enclosed within an end of cross spindle nose (16), lean on mutually with silk braid (13), the shaft shoulder of cross spindle nose (16) and screw set (5) are slidingly connected.
The utility model is work like this, when holding outside workpiece, the utility model (23) is installed in the bearing block (26), and bearing block (26) is fixed on the lathe bed (24), and dop (21) is pressed in screw set (5) and upward also is threaded with it.Earlier driving shaft (4) is turned clockwise with outer hexagon, driving shaft (4) drives screw set (5) rotation, screw set (5) drives dop (21) again to right translation clamping work pieces (22), apply certain pretightning force, clockwise rotate little leading screw (1) with allen wrench again, little leading screw (1) passes through silk braid (7) to right translation, spherical ball (18) promotes wedge awl (8) to right translation, wedge awl (8) is moving radially wedge dish (10), wedge dish (10) promotes sliding sleeve (12) to right translation with the translation of the wedge surface generation of cover of wedge (9), sliding sleeve (12) promotes silk braid (13) to right translation, silk braid (13) drives screw set (5) to right translation, screw set (5) drives dop (21) again to right translation, and then further clamping work pieces (22), and counter-force passes to bearing block (26) by the shaft shoulder on the driving shaft (4).Cover of wedge (9), wedge awl (8) and wedge dish (10) etc. are formed " pressure wedge " system of pressure, so guaranteed the reliability of clamping force.Dismounting workpiece (22) can be realized by reverse order.Return spring (17) is to wedge dish (10) return, and back-moving spring (15) is to screw set (5) return.
In like manner, if when holding inner workpiece, earlier driving shaft (4) is rotated counterclockwise drive screw set (5) with outer hexagon, screw set (5) drives dop (21) again to left clamping work pieces (22), and apply pretightning force, clockwise rotate little leading screw (1) with allen wrench again, system is automatically converted to inner the clamping.Screw set (5) maintains stressed in advance state in this conversion, submits to reciprocal moving axially then.
The utility model is simple in structure, easy to process, can realize efficient, the dual action mechanical clamp mechanism of big folder power, they not only can outsidely clamp (as axle, rolling member), and can do inner the clamping (as pipe, lining), used inclined wedge augmenting mechanism, the clamping stage all is in the mechanical self-latching state, can make dop produce big clamping force, and the clamping force retentivity is good, and staring torque is little, operating procedure is simple, and the clamping direction in the enlarger of power can not need artificial adjustment clamping direction along with the change automatic corresponding change of loading direction by the inside folder of outer folder, having improved the efficient of card engaging workpiece greatly, is the desirable clamping device of lathe.
Four, description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the utility model device scheme of installation
Among the figure 1, little leading screw 2, cushion block 3, pin 4, driving shaft 5, screw set 6, key 7, silk braid 8, wedge awl 9, cover of wedge 10, wedge dish 11, oil filler point 12, sliding sleeve 13, silk braid 14, screw 15, back-moving spring 16, cross spindle nose 17, return spring 18, spherical ball 19, pin 20, lubricating cup 21, dop 22, workpiece 23, the utility model 24, lathe bed 25, fixed chuck 26, bearing block 27, gap
Five, the specific embodiment:
Embodiment 1: a kind of dual action mechanical reinforcement clamping device is made up of screw set (5) etc., screw set (5) links to each other with key (6) with driving shaft (4), driving shaft (4) cooperates with the shaft shoulder with screw set (5), leave gap (27) between assembling rear drive shaft (4) and the screw set (5), gap (27) is 5 millimeters, the interior unthreaded hole that little leading screw (1) passes driving shaft (4) is threaded with silk braid (7), silk braid (7) is fixed in the driving shaft (4) with screw thread and pin (19), little leading screw (1) links to each other by the shaft shoulder on the little leading screw (1) with cushion block (2), cushion block (2) is connected with pin (3) with driving shaft (4), the termination of driving shaft (4) is provided with outer six sides, the external end head of little leading screw (1) is provided with interior six sides, the inner termination of little leading screw (1) links to each other with wedge awl (8) by spherical ball (18), wedge awl (8) matches with the interior wedge surface of wedge dish (10), wedge dish (10) is two first quarter moon shapes, the outer wedge surface of wedge dish (10) matches with the wedge surface of cover of wedge (9), the other end of cover of wedge (9) leans on mutually with screw set (5) shaft shoulder, wedge dish (10) position of screw set (5) has oil filler point (11), the other end of wedge dish (10) is leaned on mutually with sliding sleeve (12), return spring (17) passes sliding sleeve (12) and leans on mutually with wedge dish (10), silk braid (13) and screw set (5) are with being threaded, and it is fixing with screw (14), one end of cross spindle nose (16) has locating hole and return spring (17) is located, one end of cross spindle nose (16) penetrates silk braid (13) and is slidingly connected with it, back-moving spring (15) is enclosed within an end of cross spindle nose (16), lean on mutually with silk braid (13), the shaft shoulder of cross spindle nose (16) and screw set (5) are slidingly connected.
Claims (1)
1, a kind of dual action mechanical reinforcement clamping device is made up of screw set (5) etc., it is characterized in that linking to each other with key (6) with driving shaft (4) at screw set (5), driving shaft (4) cooperates with the shaft shoulder with screw set (5), leave gap (27) between assembling rear drive shaft (4) and the screw set (5), gap (27) is 0.1～10 millimeter, the interior unthreaded hole that little leading screw (1) passes driving shaft (4) is threaded with silk braid (7), silk braid (7) is fixed in the driving shaft (4) with screw thread and pin (19), little leading screw (1) links to each other by the shaft shoulder on the little leading screw (1) with cushion block (2), cushion block (2) is connected with pin (3) with driving shaft (4), the termination of driving shaft (4) is provided with outer six sides, the external end head of little leading screw (1) is provided with interior six sides, the inner termination of little leading screw (1) links to each other with wedge awl (8) by spherical ball (18), wedge awl (8) matches with the interior wedge surface of wedge dish (10), wedge dish (10) is two first quarter moon shapes, the outer wedge surface of wedge dish (10) matches with the wedge surface of cover of wedge (9), the other end of cover of wedge (9) leans on mutually with screw set (5) shaft shoulder, wedge dish (10) position of screw set (5) has oil filler point (11), the other end of wedge dish (10) is leaned on mutually with sliding sleeve (12), return spring (17) passes sliding sleeve (12) and leans on mutually with wedge dish (10), silk braid (13) and screw set (5) are with being threaded, and it is fixing with screw (14), one end of cross spindle nose (16) has locating hole and return spring (17) is located, one end of cross spindle nose (16) penetrates silk braid (13) and is slidingly connected with it, back-moving spring (15) is enclosed within an end of cross spindle nose (16), lean on mutually with silk braid (13), the shaft shoulder of cross spindle nose (16) and screw set (5) are slidingly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201820633U CN201304509Y (en) | 2008-12-07 | 2008-12-07 | Double-action and mechanical reinforcement clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201820633U CN201304509Y (en) | 2008-12-07 | 2008-12-07 | Double-action and mechanical reinforcement clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304509Y true CN201304509Y (en) | 2009-09-09 |
Family
ID=41096971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201820633U Expired - Fee Related CN201304509Y (en) | 2008-12-07 | 2008-12-07 | Double-action and mechanical reinforcement clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304509Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491839B (en) * | 2008-01-23 | 2012-03-07 | 江苏省无锡建华机床厂 | Reinforcement lead screw for improved four-jaw independent chuck |
| CN102626798A (en) * | 2011-05-13 | 2012-08-08 | 纽威数控装备（苏州）有限公司 | Heavy-load variable-load embedded mechanical reinforcing chuck |
| CN102672223A (en) * | 2011-03-09 | 2012-09-19 | 昆山华辰重机有限公司 | Mechanical clamping reinforcing mechanism for heavy roll lathe |
-
2008
- 2008-12-07 CN CNU2008201820633U patent/CN201304509Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491839B (en) * | 2008-01-23 | 2012-03-07 | 江苏省无锡建华机床厂 | Reinforcement lead screw for improved four-jaw independent chuck |
| CN102672223A (en) * | 2011-03-09 | 2012-09-19 | 昆山华辰重机有限公司 | Mechanical clamping reinforcing mechanism for heavy roll lathe |
| CN102626798A (en) * | 2011-05-13 | 2012-08-08 | 纽威数控装备（苏州）有限公司 | Heavy-load variable-load embedded mechanical reinforcing chuck |
| CN102626798B (en) * | 2011-05-13 | 2014-11-12 | 纽威数控装备（苏州）有限公司 | Heavy-load variable-load embedded mechanical reinforcing chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20131207 |