EP0184183B1 - Schraubstock mit schneller Verstellung der bewegbaren Backe - Google Patents
Schraubstock mit schneller Verstellung der bewegbaren Backe Download PDFInfo
- Publication number
- EP0184183B1 EP0184183B1 EP85115303A EP85115303A EP0184183B1 EP 0184183 B1 EP0184183 B1 EP 0184183B1 EP 85115303 A EP85115303 A EP 85115303A EP 85115303 A EP85115303 A EP 85115303A EP 0184183 B1 EP0184183 B1 EP 0184183B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- block
- seats
- vice
- jaw
- guides
- 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.)
- Expired - Lifetime
Links
Images
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
- B25B1/00—Vices
- B25B1/06—Arrangements for positively actuating jaws
- B25B1/10—Arrangements for positively actuating jaws using screws
- B25B1/12—Arrangements for positively actuating jaws using screws with provision for disengagement
- B25B1/125—Arrangements for positively actuating jaws using screws with provision for disengagement with one screw perpendicular to the jaw faces
Definitions
- the present invention refers to the modular vice for the quick displacement of the mobile jaw, where the fine lock regulation of a piece between the jaws is made by a worm-screw, supported by a block sliding along guides, which causes said mobile jaw to carry out limited axial displacements.
- the quick displacement is realized by means of the block connected to the mobile jaw through a worm-screw.
- a ball is fixed, which couples with spherical notches made out along the longitudinal axis of the vice basis.
- the operator handling the worm-screw, executes the locking of the piece to be worked, between the mobile jaw and the fixed one.
- the work table on which the vice is fixed moves toward the tool of the machine.
- a force is thus created which is opposed to the displacement direction of the work table.
- Said force acts in a direction opposite to the one exercised by the mobile jaw on the piece, and that may cause the coming out of the ball, fixed to the block, from the spherical notch in which it was positioned. In this way the block and consequently the mobile jaw moves and the piece, no more locked, falls.
- Another drawback of the vices of this known type consists in the fact that it is necessary an almost great space between two consecutive notches, made out on the basis of the vice, in order to avoid the a damage of their contour due to an anomalous force. For this reason the number of modular displacements of the block is limited.
- vices were realized, having a series of holes made out on the basis of the vice, in which a pin is engaged which fixes the block connected, in a known way, to the mobile jaw.
- a displacement of the block must be executed, it is necessary to take the pin out of the hole, to position the block in the new seat and to put the pin into the correspondent hole for the locking of said block.
- the displacement of the mobile jaw does not take place quickly (taking in account the time for taking out the pin, for positioning the block in proximity of a new hole, for engaging the pin again). Therefore the utility of having a modular vice with quick displacements of the mobile jaw is lacking.
- a vice comprising a basis having a fixed jaw, a block carrying a movable jaw, said block sliding along guides formed on said basis so that said movable jaw can perform a limited displacement towards and away from said fixed jaw, a worm screw being supported by said block for the fine regulation of said movable jaw to lock a piece between the jaws, whereby circle-arch shaped and equally spaced seats are formed along the lower part of the opposite sides of said guides, means being further provided for engaging said seats and locking said block in the desired position, is known from US-A-4 431 174.
- said engagement means comprise pins slidably mounted in the block for transverse movement. The end of each pin distal to a middle channel is partly curved so that it may mate with said seats.
- a wedge In a middle channel of said block a wedge is movable by a handle which engages the inner ends of said pins to urge them outwardly into said seats.
- the mechanism for urging said pins outwardly and remove them to an inward position is very complicated and therefore expensive to manufacture.
- the technical problem underlying the invention is to provide a vice as specified above which is easy and unexpensive to manufacture and which enables quick displacement of the mobile jaw.
- Fig. 1 it is generally indicated with 20 a vice formed by a basis 22 to which the fixed jaw 24 is solidly connected.
- a mobile jaw 26 is displaceable along the opposite guides 28, made out on the basis 22, by means of a worm-screw 30 supported by a block 32.
- connection jaw 26 - screw 30 is not illustrated in detail as it is known in the art and does not form the object of the present invention.
- the block 32 is sliding along the guides 28 and guided along them by a pin 34 (Figs. 1, 2 and 3).
- a plate 42 fixed to the block 32 ( Figures 1 and 2) and parallel to the axis of the pin 34.
- Said plate 42 is substantially of rectangular shape and the shorter sides are shaped in such a way that they have the shape of half of the circle corresponding to the seats 40 so that it is easily positioned in said seats 40 as it will be afterwards explained.
- the particular shape of the shorter sides of the plate 42 prevents this last and thus the block 32 from moving when said plate 42 is positioned in the opposite arch-shaped seats 40, even in the case of a stumbling of the tool against the piece and of a considerable increase of the generated force.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Adornments (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Mobile Radio Communication Systems (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Sawing (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Claims (1)
- Schraubstock mit einer Basis (22), die eine feste Backe (24) und einen Block (32) aufweist, der eine bewegbare Backe (26) trägt, wobei der Block (32) entlang von Führungen (28) gleitbar ist, die in der Basis (22) derart ausgebildet sind, daß die bewegbare Backe (26) eine begrenzte Verschiebung nach der festen Backe hin und von dieser weg durchführen kann, und mit einer Schraubspindel (30), die von dem Block (32) getragen wird und eine Feineinstellung der bewegbaren Backe (26) ermöglicht, um ein Werkstück zwischen den Bakken einzuspannen, wobei im gleichen Abstand angeordnete Sitze (40) längs des unteren Teils der Führungen (28) ausgebildet und Mittel (42) vorgesehen sind, um in die Sitze einzugreifen und den Block (32) in der gewünschten Lage zu blockieren, wobei ein Stift (34) am Block (32) festgelegt ist, der längs der Führungen (28) gleitet und eine Drehung des Blocks (32) ermöglicht, um die Eingriffsmittel (42) aus den Sitzen auszuheben, dadurch gekennzeichnet, daß die Sitze (40) bogenförmig gewölbte Ausnehmungen auf gegenüberliegenden Seiten der Führungen (28) aufweisen, und daß die Eingriffsmittel aus einer rechteckig gestalteten Platte (42) bestehen, die am Block (32) und parallel zur Achse des Stiftes (34) und parallel zur Richtung, in der der Block gleitet, festgelegt ist und seitliche Fortsätze in Form von Kreisabschnitten aufweist, die den Sitzen (40) entsprechen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85115303T ATE54267T1 (de) | 1984-12-06 | 1985-12-03 | Schraubstock mit schneller verstellung der bewegbaren backe. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT42915/84A IT1181063B (it) | 1984-12-06 | 1984-12-06 | Morsa modulare per lo spostamento rapido della ganascia mobile |
IT4291584 | 1984-12-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0184183A2 EP0184183A2 (de) | 1986-06-11 |
EP0184183A3 EP0184183A3 (en) | 1987-06-03 |
EP0184183B1 true EP0184183B1 (de) | 1990-07-04 |
Family
ID=11254702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85115303A Expired - Lifetime EP0184183B1 (de) | 1984-12-06 | 1985-12-03 | Schraubstock mit schneller Verstellung der bewegbaren Backe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0184183B1 (de) |
AT (1) | ATE54267T1 (de) |
DE (1) | DE3578560D1 (de) |
IT (1) | IT1181063B (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE127733C (de) * | ||||
GB143549A (en) * | 1919-05-08 | 1921-03-31 | James Henry Jerrim | Improvements in or relating to machine or other vices and like work holding or setting appliances |
DE1247228B (de) * | 1961-08-19 | 1967-08-10 | Maschf Augsburg Nuernberg Ag | Schraubstock fuer Werkzeugmaschinen |
FR2140297A1 (de) * | 1971-06-09 | 1973-01-19 | Paret Paul | |
GB1417558A (en) * | 1972-03-28 | 1975-12-10 | Hern Engs Ltd Basil | Vices |
CH539490A (de) * | 1972-04-14 | 1973-07-31 | Spengler Ernst | Spannstock |
GB2050209B (en) * | 1979-02-28 | 1983-01-19 | Wallace D I | Means for restraining movement between relatively displaceable members |
US4431174A (en) * | 1981-12-11 | 1984-02-14 | Arnold Varden | Vice |
-
1984
- 1984-12-06 IT IT42915/84A patent/IT1181063B/it active
-
1985
- 1985-12-03 EP EP85115303A patent/EP0184183B1/de not_active Expired - Lifetime
- 1985-12-03 AT AT85115303T patent/ATE54267T1/de not_active IP Right Cessation
- 1985-12-03 DE DE8585115303T patent/DE3578560D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE54267T1 (de) | 1990-07-15 |
EP0184183A3 (en) | 1987-06-03 |
DE3578560D1 (de) | 1990-08-09 |
IT1181063B (it) | 1987-09-23 |
IT8442915A0 (it) | 1984-12-06 |
EP0184183A2 (de) | 1986-06-11 |
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